* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: #0E1730;
    color: #EAF0FF;
    line-height: 1.72;
    overflow-x: hidden;
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #121C3D;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 10px 24px rgba(0,0,0,0.22);
}

.header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-logo {
    color: #FFFFFF;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1px;
    white-space: nowrap;
}

.nav-core {
    display: flex;
    align-items: center;
    gap: 22px;
    white-space: nowrap;
    flex-wrap: nowrap;
    flex: 1;
    justify-content: center;
}

.nav-core a {
    color: #FFFFFF;
    position: relative;
    font-size: 15px;
    padding: 24px 0;
    transition: color .2s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: #FFFFFF;
}

.nav-core a:hover {
    color: #BFD0FF;
}

.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 12px;
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: #6B8DFF;
    transform: translateX(-50%);
}

.register-btn,
.main-btn,
.small-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%);
    color: #FFFFFF;
    border-radius: 999px;
    font-weight: 700;
    border: 0;
    box-shadow: 0 10px 22px rgba(92,124,250,0.28);
    white-space: nowrap;
}

.register-btn {
    min-width: 84px;
    padding: 10px 18px;
}

.main-btn {
    min-width: 120px;
    padding: 12px 22px;
}

.small-btn {
    padding: 9px 16px;
    font-size: 14px;
}

.channel-bar {
    background: #162447;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.channel-scroll {
    max-width: 1180px;
    margin: 0 auto;
    padding: 9px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: thin;
}

.channel-bar a {
    display: inline-flex;
    align-items: center;
    color: #B7C3E0;
    padding: 8px 13px;
    border-radius: 999px;
    font-size: 14px;
    white-space: nowrap;
    transition: .2s ease;
}

.channel-bar a:hover,
.channel-bar a.active {
    color: #FFFFFF;
    background: rgba(107,141,255,0.18);
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    border-radius: 12px;
    padding: 9px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: #FFFFFF;
    margin: 5px 0;
    border-radius: 99px;
}

.site-main {
    min-height: 65vh;
}

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

.page-wrap {
    padding: 30px 0 56px;
}

.hero-panel,
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.notice-card,
.page-hero,
.copy-card,
.service-card,
.product-card,
.article-card {
    background: #1A2954;
    border: 1px solid rgba(107,141,255,0.18);
    box-shadow: 0 14px 32px rgba(0,0,0,0.28);
    border-radius: 18px;
}

.page-hero {
    padding: 34px;
    margin: 28px auto 26px;
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 28px;
    align-items: center;
    background: linear-gradient(145deg, #162447 0%, #1A2954 55%, #111D3D 100%);
}

.page-hero h1,
.hero-panel h1 {
    margin: 0 0 14px;
    color: #FFFFFF;
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1.18;
}

.page-hero p,
.hero-panel p,
.copy-card p,
.service-card p,
.product-card p,
.info-card p,
.zone-card p,
.notice-card p,
.review-card p,
.faq-card p,
.article-card p {
    color: #B7C3E0;
    margin: 0;
}

.lead {
    font-size: 17px;
    color: #EAF0FF !important;
}

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

.content-img,
.page-hero img,
.zone-card img,
.info-card img {
    width: 100%;
    max-height: 280px;
    object-fit: contain;
    background: #162447;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.06);
}

.banner-slider {
    width: min(1180px, calc(100% - 40px));
    margin: 24px auto 34px;
    border-radius: 22px;
    background: #162447;
    box-shadow: 0 14px 32px rgba(0,0,0,0.28);
    overflow: hidden;
    position: relative;
    height: clamp(260px, 31vw, 360px);
}

.slides {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity .55s ease;
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
}

.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #162447;
}

.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
    display: none !important;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(10,16,36,0.72);
    color: #FFFFFF;
    cursor: pointer;
    font-size: 22px;
}

.slider-arrow.prev {
    left: 16px;
}

.slider-arrow.next {
    right: 16px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 15px;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.slider-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.44);
    cursor: pointer;
}

.slider-dot.active {
    width: 22px;
    border-radius: 999px;
    background: #6B8DFF;
}

.section {
    margin-bottom: 34px;
}

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

.section-title,
h1,
h2,
h3 {
    color: #FFFFFF;
}

.section-title {
    margin: 0;
    font-size: clamp(24px, 3vw, 34px);
}

.section-desc {
    margin: 6px 0 0;
    color: #B7C3E0;
    max-width: 720px;
}

.grid-2,
.grid-3,
.grid-4 {
    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));
}

.copy-card,
.service-card,
.product-card,
.info-card,
.zone-card,
.review-card,
.faq-card,
.notice-card,
.article-card {
    padding: 22px;
}

.product-card img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    background: #162447;
    border-radius: 14px;
    margin-bottom: 15px;
    border: 1px solid rgba(255,255,255,0.06);
}

.card-kicker {
    display: inline-flex;
    color: #C8D4F3;
    background: rgba(107,141,255,0.16);
    border: 1px solid rgba(107,141,255,0.2);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 13px;
    margin-bottom: 10px;
}

.copy-card h3,
.service-card h3,
.product-card h3,
.info-card h3,
.zone-card h3,
.notice-card h3,
.review-card h3,
.faq-card h3,
.article-card h3 {
    margin: 0 0 10px;
    font-size: 19px;
}

.mini-list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 16px 0 0;
    list-style: none;
}

.mini-list li {
    color: #B7C3E0;
    padding-left: 18px;
    position: relative;
}

.mini-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .75em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #6B8DFF;
}

.news-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.news-item {
    padding: 18px;
    border-radius: 16px;
    background: #1F315F;
    border: 1px solid rgba(107,141,255,0.18);
}

.news-item strong {
    display: block;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.news-item p {
    color: #B7C3E0;
    margin: 0;
    font-size: 14px;
}

.feature-band {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 22px;
    align-items: center;
}

.feature-copy {
    padding: 28px;
}

.feature-copy p {
    color: #B7C3E0;
}

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

.notice-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 18px;
}

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

.faq-card strong {
    display: block;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.text-link {
    color: #9DB2FF;
    font-weight: 700;
    display: inline-flex;
    margin-top: 12px;
}

.site-footer {
    background: #0A1024;
    color: #C8D4F3;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 42px 0 22px;
}

.footer-grid {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr .9fr;
    gap: 30px;
}

.footer-logo {
    display: inline-flex;
    color: #FFFFFF;
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 12px;
}

.footer-grid h3 {
    margin: 0 0 12px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-links a {
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    color: #C8D4F3;
}

.footer-bottom {
    width: min(1180px, calc(100% - 40px));
    margin: 28px auto 0;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: #8FA1C7;
    font-size: 14px;
}

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

.mobile-bottom-nav {
    display: none;
}

.article-flow {
    display: grid;
    gap: 18px;
}

@media (max-width: 980px) {
    .nav-core {
        gap: 14px;
    }

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

    .grid-3,
    .matrix {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-hero,
    .feature-band,
    .notice-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    body {
        padding-bottom: 70px;
    }

    .header-inner {
        min-height: 62px;
        padding: 0 14px;
        display: grid;
        grid-template-columns: 46px 1fr auto;
        gap: 10px;
    }

    .menu-toggle {
        display: inline-block;
    }

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

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

    .register-btn {
        min-width: 68px;
        padding: 9px 13px;
        font-size: 14px;
    }

    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.48);
        z-index: 1200;
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
    }

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

    .mobile-drawer {
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 84vw;
        max-width: 320px;
        background: #121C3D;
        z-index: 1300;
        transform: translateX(-100%);
        transition: transform .24s ease;
        box-shadow: 18px 0 34px rgba(0,0,0,0.32);
        overflow-y: auto;
    }

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

    body.drawer-open {
        overflow: hidden;
    }

    .drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 64px;
        padding: 0 18px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        color: #FFFFFF;
        font-size: 22px;
    }

    .drawer-head button {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: 1px solid rgba(255,255,255,0.12);
        background: rgba(255,255,255,0.05);
        color: #FFFFFF;
        font-size: 24px;
    }

    .drawer-nav {
        display: grid;
        padding: 12px;
        gap: 6px;
    }

    .drawer-nav a {
        color: #FFFFFF;
        padding: 13px 14px;
        border-radius: 12px;
    }

    .drawer-nav a.active {
        background: rgba(107,141,255,0.18);
    }

    .mobile-bottom-nav {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 999;
        background: rgba(18,28,61,0.96);
        border-top: 1px solid rgba(255,255,255,0.12);
        backdrop-filter: blur(12px);
    }

    .mobile-bottom-nav a {
        min-height: 58px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #B7C3E0;
        font-size: 14px;
    }

    .mobile-bottom-nav a.active {
        color: #FFFFFF;
        background: rgba(107,141,255,0.16);
    }

    .container,
    .section,
    .banner-slider {
        width: calc(100% - 28px);
    }

    .page-wrap {
        padding: 18px 0 34px;
    }

    .banner-slider {
        height: clamp(150px, 49vw, 210px);
        margin: 16px auto 24px;
        border-radius: 16px;
    }

    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }

    .slider-arrow.prev {
        left: 10px;
    }

    .slider-arrow.next {
        right: 10px;
    }

    .page-hero {
        padding: 22px;
        margin-top: 18px;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .news-strip,
    .matrix {
        grid-template-columns: 1fr;
    }

    .copy-card,
    .service-card,
    .product-card,
    .info-card,
    .zone-card,
    .review-card,
    .faq-card,
    .notice-card,
    .article-card,
    .feature-copy {
        padding: 18px;
    }

    .section-head {
        display: block;
    }

    .product-card img {
        height: 145px;
    }
}