* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #EEF6FA;
    color: #1F2D38;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

body.lock-scroll {
    overflow: hidden;
}

a {
    color: #0E88C8;
    text-decoration: none;
}

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

.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #08263A;
    box-shadow: 0 8px 24px rgba(7,92,145,0.18);
    z-index: 9000;
}

.topbar {
    min-height: 70px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.site-logo,
.footer-logo {
    color: #18D4C6;
    font-weight: 900;
    letter-spacing: 1px;
    font-size: 28px;
    white-space: nowrap;
}

.nav-core {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.nav-core a {
    color: #EAF6FC;
    background: rgba(255,255,255,0.08);
    border-radius: 999px;
    padding: 9px 16px;
    line-height: 1;
    white-space: nowrap;
    transition: 0.2s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: #18D4C6;
    background: rgba(24,212,198,0.12);
    box-shadow: inset 0 -2px 0 #18D4C6;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.service-open,
.mobile-menu-btn,
.panel-head button,
.drawer-head button {
    border: none;
    cursor: pointer;
    font: inherit;
}

.service-open {
    color: #EAF6FC;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(24,212,198,0.22);
    border-radius: 999px;
    padding: 9px 16px;
}

.service-open:hover {
    color: #18D4C6;
    border-color: rgba(24,212,198,0.65);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0E88C8 0%, #075C91 52%, #18D4C6 100%);
    color: #FFFFFF;
    border-radius: 999px;
    box-shadow: 0 10px 24px rgba(7,92,145,0.18);
    font-weight: 800;
    padding: 11px 22px;
    border: none;
    transition: 0.2s ease;
}

.main-btn:hover {
    transform: translateY(-1px);
    color: #FFFFFF;
}

.channel-strip {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 0 0 14px;
    overflow-x: auto;
    scrollbar-width: none;
}

.channel-strip::-webkit-scrollbar {
    display: none;
}

.channel-strip a {
    color: #0A3B5A;
    background: #FFFFFF;
    border: 1px solid rgba(14,136,200,0.14);
    border-radius: 999px;
    padding: 7px 14px;
    white-space: nowrap;
    font-size: 14px;
}

.channel-strip a:hover,
.channel-strip a.active {
    color: #0E88C8;
    border-color: rgba(24,212,198,0.55);
    box-shadow: 0 8px 18px rgba(7,92,145,0.10);
}

.mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    color: #18D4C6;
    background: rgba(255,255,255,0.08);
    font-size: 22px;
}

.site-main {
    padding-top: 128px;
    min-height: 70vh;
}

.banner-slider {
    max-width: 1200px;
    height: 380px;
    margin: 28px auto 36px;
    border-radius: 24px;
    background: #FFFFFF;
    box-shadow: 0 16px 38px rgba(7,92,145,0.12);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.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: #FFFFFF;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    border: none;
    border-radius: 999px;
    background: rgba(255,255,255,0.88);
    color: #0E88C8;
    box-shadow: 0 8px 20px rgba(7,92,145,0.16);
    width: 44px;
    height: 44px;
    font-size: 24px;
    cursor: pointer;
}

.slider-prev {
    left: 18px;
}

.slider-next {
    right: 18px;
}

.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(14,136,200,0.26);
    cursor: pointer;
    padding: 0;
}

.slider-dots button.active {
    background: #18D4C6;
}

.section {
    padding: 34px 0;
}

.section-head {
    margin-bottom: 22px;
    max-width: 820px;
}

.section-kicker,
.badge,
.tag,
.label,
.num {
    color: #0E88C8;
    font-weight: 800;
}

.section-kicker {
    display: inline-block;
    margin-bottom: 6px;
    letter-spacing: 0.08em;
}

h1,
h2,
h3,
.section-title {
    color: #0A3B5A;
    line-height: 1.32;
    margin: 0 0 12px;
}

h1 {
    font-size: clamp(30px, 5vw, 50px);
}

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

h3 {
    font-size: 21px;
}

p {
    margin: 0 0 14px;
}

.muted {
    color: #5E7080;
}

.small {
    color: #8A9AA8;
    font-size: 14px;
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-box,
.hero-box {
    background: #FFFFFF;
    border: 1px solid rgba(14,136,200,0.14);
    box-shadow: 0 14px 36px rgba(7,92,145,0.10);
    border-radius: 22px;
}

.card,
.info-card,
.review-card,
.faq-item,
.notice-box {
    padding: 24px;
}

.grid {
    display: grid;
    gap: 20px;
}

.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));
}

.hero-box {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 28px;
    align-items: center;
    overflow: hidden;
    padding: 32px;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FBFD 60%, #E9FFFC 100%);
}

.hero-box .main-btn {
    margin-top: 8px;
}

.hero-media {
    background: #F8FBFD;
    border-radius: 20px;
    overflow: hidden;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-img,
.zone-card img,
.app-section img,
.banner-slider img,
.hero-media img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.hero-media img {
    max-height: 320px;
    width: 100%;
}

.zone-card {
    overflow: hidden;
}

.zone-card img {
    width: 100%;
    height: 190px;
    background: #F8FBFD;
    object-fit: contain;
}

.zone-card .zone-body {
    padding: 22px;
}

.zone-card ul,
.card ul,
.notice-box ul {
    padding-left: 19px;
    margin: 10px 0 0;
}

.text-link {
    color: #0E88C8;
    font-weight: 800;
}

.text-link:hover {
    color: #075C91;
}

.guide-steps {
    counter-reset: step;
}

.guide-steps .card {
    position: relative;
    padding-top: 46px;
}

.guide-steps .card:before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: 18px;
    left: 22px;
    color: #18D4C6;
    font-weight: 900;
    font-size: 18px;
}

.strip-card {
    background: #E8F4FA;
    border-radius: 24px;
    padding: 28px;
    border: 1px solid rgba(14,136,200,0.12);
}

.channel-cards .card {
    min-height: 182px;
}

.review-card strong {
    display: block;
    color: #0A3B5A;
    margin-bottom: 8px;
}

.faq-list {
    display: grid;
    gap: 16px;
}

.faq-item h2,
.faq-item h3 {
    font-size: 19px;
}

.service-panel,
.mobile-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    background: #FFFFFF;
    box-shadow: 0 18px 48px rgba(7,92,145,0.16);
    z-index: 10000;
    transition: transform 0.25s ease;
    overflow-y: auto;
}

.service-panel {
    right: 0;
    width: min(430px, 92vw);
    transform: translateX(105%);
}

.mobile-drawer {
    left: 0;
    width: min(84vw, 320px);
    transform: translateX(-105%);
}

body.service-active .service-panel,
body.drawer-active .mobile-drawer {
    transform: translateX(0);
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(6,27,43,0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 9999;
}

body.service-active .overlay,
body.drawer-active .overlay {
    opacity: 1;
    pointer-events: auto;
}

.panel-head,
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px;
    border-bottom: 1px solid rgba(14,136,200,0.14);
}

.panel-head strong,
.drawer-head strong {
    color: #0A3B5A;
    font-size: 22px;
}

.panel-head button,
.drawer-head button {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: #E8F4FA;
    color: #0A3B5A;
    font-size: 24px;
}

.panel-body {
    padding: 20px;
}

.panel-group {
    margin-bottom: 22px;
}

.panel-group h2 {
    font-size: 16px;
    margin-bottom: 10px;
}

.panel-group a,
.drawer-links a {
    display: block;
    border-radius: 16px;
    padding: 11px 13px;
    color: #1F2D38;
    background: #F8FBFD;
    margin-bottom: 8px;
}

.panel-group a:hover,
.drawer-links a:hover,
.drawer-links a.active {
    color: #0E88C8;
    background: #E9FFFC;
}

.panel-group span {
    display: block;
    font-weight: 800;
}

.panel-group em {
    display: block;
    font-style: normal;
    color: #5E7080;
    font-size: 13px;
    margin-top: 2px;
}

.drawer-links {
    padding: 16px;
}

.site-footer {
    background: #061B2B;
    color: #EAF6FC;
    margin-top: 52px;
    padding: 44px 0 22px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 0.8fr 1.1fr;
    gap: 28px;
}

.site-footer h2 {
    color: #FFFFFF;
    font-size: 18px;
}

.site-footer p {
    color: #D4EAF4;
}

.site-footer a {
    display: block;
    color: #EAF6FC;
    margin-bottom: 8px;
}

.site-footer a:hover {
    color: #18D4C6;
}

.footer-note .main-btn {
    display: inline-flex;
    margin-top: 8px;
}

.copyright {
    color: #8A9AA8;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 28px;
    padding-top: 20px;
    font-size: 14px;
}

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

@media (max-width: 980px) {
    .nav-core {
        gap: 6px;
    }
    .nav-core a {
        padding: 8px 11px;
        font-size: 14px;
    }
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .hero-box {
        grid-template-columns: 1fr;
    }
    .banner-slider {
        height: 300px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    body {
        padding-bottom: 68px;
    }
    .container {
        width: min(100% - 24px, 1200px);
    }
    .site-header {
        min-height: 64px;
    }
    .topbar {
        min-height: 64px;
        justify-content: space-between;
        gap: 8px;
    }
    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .nav-core,
    .channel-strip,
    .service-open {
        display: none;
    }
    .site-logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        font-size: 25px;
    }
    .header-actions {
        margin-left: auto;
    }
    .header-register {
        padding: 9px 15px;
    }
    .site-main {
        padding-top: 78px;
    }
    .banner-slider {
        height: 210px;
        margin: 16px auto 22px;
        border-radius: 18px;
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
    .slider-prev {
        left: 10px;
    }
    .slider-next {
        right: 10px;
    }
    .section {
        padding: 24px 0;
    }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .hero-box {
        padding: 22px;
        border-radius: 20px;
    }
    .hero-media {
        min-height: 190px;
    }
    .zone-card img {
        height: 170px;
    }
    .card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-box {
        padding: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 10px;
        height: 56px;
        border-radius: 18px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        align-items: center;
        background: #FFFFFF;
        box-shadow: 0 12px 30px rgba(7,92,145,0.18);
        z-index: 8800;
        border: 1px solid rgba(14,136,200,0.14);
        overflow: hidden;
    }
    .mobile-bottom-nav a {
        text-align: center;
        color: #0A3B5A;
        font-weight: 800;
        padding: 14px 4px;
    }
    .mobile-bottom-nav a:hover {
        color: #0E88C8;
        background: #E9FFFC;
    }
}

@media (max-width: 420px) {
    .banner-slider {
        height: 180px;
    }
    h1 {
        font-size: 28px;
    }
}