* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background:
        radial-gradient(circle at 12% 0%, rgba(0,230,246,0.12), transparent 30%),
        radial-gradient(circle at 90% 20%, rgba(0,200,255,0.10), transparent 28%),
        #071B24;
    color: #EAFBFF;
    line-height: 1.75;
    overflow-x: hidden;
}

a {
    color: #00C8FF;
    text-decoration: none;
    transition: 0.2s ease;
}

a:hover {
    color: #00E6F6;
}

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 90;
    background: rgba(4,16,23,0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 26px rgba(0,230,246,0.10);
}

.topbar {
    max-width: 1240px;
    margin: 0 auto;
    height: 72px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 26px;
}

.brand-logo img {
    width: 142px;
    height: auto;
    object-fit: contain;
}

.nav-core {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 24px;
    min-width: 0;
}

.nav-core a {
    color: #B7EFFF;
    position: relative;
    font-weight: 600;
    padding: 8px 10px;
    border-radius: 999px;
    white-space: nowrap;
}

.nav-core a:hover,
.nav-core a.active {
    color: #00E6F6;
    background: rgba(0,230,246,0.08);
}

.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -11px;
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #00E6F6, #00B9FF);
    transform: translateX(-50%);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #00E6F6 0%, #00B9FF 48%, #0077FF 100%);
    color: #041017;
    border-radius: 999px;
    box-shadow: 0 12px 26px rgba(0,230,246,0.22);
    font-weight: 700;
    padding: 10px 22px;
    border: 0;
    white-space: nowrap;
}

.main-btn:hover {
    color: #041017;
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(0,230,246,0.30);
}

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

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(0,230,246,0.22);
    color: #00E6F6;
    background: rgba(10,38,50,0.72);
    border-radius: 12px;
    font-size: 22px;
}

.channel-bar {
    background: rgba(10,38,50,0.86);
    border-top: 1px solid rgba(0,230,246,0.10);
    border-bottom: 1px solid rgba(0,230,246,0.10);
    overflow-x: auto;
    white-space: nowrap;
}

.channel-bar::-webkit-scrollbar {
    height: 4px;
}

.channel-bar::-webkit-scrollbar-thumb {
    background: rgba(0,230,246,0.26);
    border-radius: 999px;
}

.channel-scroll {
    max-width: 1240px;
    margin: 0 auto;
    padding: 10px 22px;
    display: flex;
    gap: 10px;
}

.channel-bar a {
    color: #A8C8D6;
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 14px;
    border: 1px solid transparent;
}

.channel-bar a:hover,
.channel-bar a.active {
    color: #00E6F6;
    background: rgba(0,230,246,0.10);
    border-color: rgba(0,230,246,0.16);
}

.site-main {
    padding-top: 126px;
}

.container {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
}

.banner-slider {
    width: min(1200px, calc(100% - 36px));
    margin: 24px auto 34px;
    border-radius: 22px;
    background: #0A2632;
    box-shadow: 0 18px 44px rgba(0,230,246,0.14);
    overflow: hidden;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(0,230,246,0.16);
    height: clamp(160px, 30vw, 360px);
}

.banner-slider .slide {
    display: none;
    width: 100%;
    height: 100%;
}

.banner-slider .slide.active {
    display: block;
}

.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #0A2632;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    border: none;
    border-radius: 999px;
    background: rgba(4,16,23,0.82);
    color: #00E6F6;
    box-shadow: 0 8px 20px rgba(0,230,246,0.16);
    width: 42px;
    height: 42px;
    cursor: pointer;
    font-size: 24px;
}

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

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

.slider-dots {
    position: absolute;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}

.slider-dots button {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: none;
    background: rgba(0,230,246,0.24);
    cursor: pointer;
}

.slider-dots button.active {
    background: #00E6F6;
}

.section {
    padding: 34px 0;
}

.hero-service,
.panel,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-strip,
.wall-item,
.text-panel,
.contact-card {
    background: rgba(10,38,50,0.92);
    border: 1px solid rgba(0,230,246,0.16);
    box-shadow: 0 16px 40px rgba(0,230,246,0.08);
    border-radius: 22px;
}

.hero-service {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
    padding: 30px;
    align-items: center;
}

.section-kicker,
.tag,
.label,
.num,
.badge {
    color: #00E6F6;
    font-weight: 700;
    letter-spacing: 0.04em;
}

h1,
h2,
h3,
.section-title {
    color: #00E6F6;
    line-height: 1.25;
    margin: 0 0 16px;
}

h1 {
    font-size: clamp(30px, 5vw, 56px);
}

h2 {
    font-size: clamp(24px, 3vw, 34px);
}

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 14px;
    color: #EAFBFF;
}

.muted {
    color: #A8C8D6;
}

.small {
    color: #7FA4B3;
    font-size: 14px;
}

.hero-actions {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 18px;
}

.text-link {
    color: #00C8FF;
    font-weight: 700;
}

.content-img,
.zone-card img,
.app-section img,
.hero-visual img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: 18px;
    background: #0E3340;
    border: 1px solid rgba(0,230,246,0.14);
}

.quick-grid,
.info-grid,
.wall-grid,
.review-grid,
.faq-grid,
.footer-links,
.feature-list,
.service-grid,
.page-grid,
.contact-grid {
    display: grid;
    gap: 18px;
}

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

.quick-card {
    padding: 22px;
    border-radius: 999px;
    background: rgba(14,51,64,0.80);
    border: 1px solid rgba(0,230,246,0.14);
}

.quick-card h3 {
    margin-bottom: 6px;
}

.quick-card p {
    color: #A8C8D6;
    font-size: 14px;
    margin-bottom: 8px;
}

.notice-strip {
    padding: 24px 28px;
    border-left: 4px solid #00E6F6;
}

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

.info-card {
    padding: 24px;
}

.info-card .num {
    display: inline-flex;
    margin-bottom: 12px;
    font-size: 18px;
}

.two-col,
.app-section,
.page-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.zone-card,
.panel,
.text-panel,
.contact-card {
    padding: 26px;
}

.zone-card img {
    margin-bottom: 18px;
}

.feature-list {
    grid-template-columns: repeat(2, 1fr);
    margin: 18px 0;
}

.feature-list span,
.pill {
    display: block;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(0,230,246,0.08);
    color: #B7EFFF;
    border: 1px solid rgba(0,230,246,0.12);
}

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

.wall-item {
    padding: 20px;
}

.wall-item img {
    width: 100%;
    max-height: 180px;
    object-fit: contain;
    background: #0E3340;
    border-radius: 16px;
    margin-bottom: 14px;
}

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

.review-card {
    padding: 22px;
}

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

.faq-item {
    padding: 22px;
}

.compliance {
    background: linear-gradient(135deg, rgba(0,230,246,0.10), rgba(0,119,255,0.08));
    border: 1px solid rgba(0,230,246,0.18);
    border-radius: 24px;
    padding: 26px;
}

.page-hero {
    padding: 32px;
    background:
        linear-gradient(135deg, rgba(0,230,246,0.10), rgba(0,119,255,0.04)),
        rgba(10,38,50,0.92);
    border: 1px solid rgba(0,230,246,0.16);
    border-radius: 26px;
    box-shadow: 0 18px 46px rgba(0,230,246,0.10);
}

.page-hero .content-img {
    max-height: 310px;
}

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

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

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

.floating-service {
    position: fixed;
    right: 18px;
    top: 42%;
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.floating-service a,
.floating-service button {
    background: rgba(10,38,50,0.92);
    color: #00E6F6;
    border: 1px solid rgba(0,230,246,0.16);
    box-shadow: 0 14px 30px rgba(0,230,246,0.10);
    border-radius: 16px;
    padding: 10px 14px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
}

.floating-service a.register-link {
    background: linear-gradient(135deg, #00E6F6 0%, #00B9FF 48%, #0077FF 100%);
    color: #041017;
}

.site-footer {
    background: #041017;
    color: #DDF8FF;
    margin-top: 40px;
    padding: 42px 0 96px;
    border-top: 1px solid rgba(0,230,246,0.14);
}

.footer-inner {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1.2fr;
    gap: 28px;
}

.footer-brand img {
    width: 138px;
    margin-bottom: 14px;
}

.footer-links {
    grid-template-columns: repeat(2, 1fr);
    align-content: start;
}

.footer-note p,
.footer-brand p {
    color: #DDF8FF;
}

.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.48);
    z-index: 100;
    display: none;
}

.drawer-backdrop.show {
    display: block;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #071B24;
    z-index: 110;
    transform: translateX(-105%);
    transition: transform 0.25s ease;
    border-right: 1px solid rgba(0,230,246,0.18);
    overflow-y: auto;
}

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

.drawer-head {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid rgba(0,230,246,0.14);
}

.drawer-logo img {
    width: 130px;
}

.drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(0,230,246,0.22);
    color: #00E6F6;
    background: rgba(10,38,50,0.72);
    font-size: 24px;
}

.drawer-nav {
    display: grid;
    gap: 6px;
    padding: 18px;
}

.drawer-nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #B7EFFF;
    background: rgba(10,38,50,0.58);
    border: 1px solid rgba(0,230,246,0.08);
}

.drawer-nav a.active,
.drawer-nav a:hover {
    color: #00E6F6;
    border-color: rgba(0,230,246,0.22);
}

.drawer-open {
    overflow: hidden;
}

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

@media (max-width: 1080px) {
    .nav-core {
        gap: 12px;
    }
    .info-grid,
    .page-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .review-grid,
    .wall-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .floating-service {
        display: none;
    }
}

@media (max-width: 760px) {
    body {
        padding-bottom: 68px;
    }
    .site-header {
        background: rgba(4,16,23,0.96);
    }
    .topbar {
        height: 68px;
        padding: 0 14px;
        gap: 10px;
        justify-content: space-between;
    }
    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .brand-logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    .brand-logo img {
        width: 118px;
    }
    .nav-core,
    .channel-bar {
        display: none;
    }
    .header-register {
        padding: 8px 13px;
        font-size: 13px;
        margin-left: auto;
    }
    .site-main {
        padding-top: 78px;
    }
    .container,
    .banner-slider {
        width: min(100% - 24px, 1200px);
    }
    .banner-slider {
        margin-top: 12px;
        border-radius: 16px;
        height: clamp(160px, 47vw, 220px);
    }
    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 20px;
    }
    .slider-arrow.prev {
        left: 10px;
    }
    .slider-arrow.next {
        right: 10px;
    }
    .hero-service,
    .two-col,
    .app-section,
    .page-hero,
    .footer-inner,
    .contact-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }
    .hero-service,
    .page-hero {
        padding: 22px;
    }
    .quick-grid,
    .info-grid,
    .review-grid,
    .wall-grid,
    .faq-grid,
    .page-grid,
    .feature-list {
        grid-template-columns: 1fr;
    }
    .quick-card {
        border-radius: 20px;
    }
    .section {
        padding: 24px 0;
    }
    .site-footer {
        padding-bottom: 88px;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 85;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: rgba(4,16,23,0.96);
        border-top: 1px solid rgba(0,230,246,0.16);
        backdrop-filter: blur(10px);
    }
    .mobile-bottom-nav a {
        padding: 10px 0 9px;
        text-align: center;
        color: #B7EFFF;
        font-size: 13px;
    }
}

@media (max-width: 420px) {
    h1 {
        font-size: 28px;
    }
    .header-register {
        padding: 7px 10px;
    }
}