* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    background: #EBEFFF;
    color: #253044;
    line-height: 1.72;
    overflow-x: hidden;
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(80,96,150,0.10);
}

.header-inner {
    max-width: 1220px;
    min-height: 76px;
    margin: 0 auto;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 22px;
}

.logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}

.logo img {
    max-height: 52px;
    width: auto;
    display: block;
}

.desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.nav-link,
.desktop-nav > a {
    position: relative;
    display: flex;
    align-items: center;
    height: 76px;
    padding: 0 13px;
    font-size: 15px;
    font-weight: 700;
    color: #36425D;
    white-space: nowrap;
    transition: color .2s ease;
}

.nav-link:hover,
.desktop-nav > a:hover,
.nav a.active,
.nav-link.active,
.desktop-nav > a.active,
.nav-item.active > .nav-link,
.has-dropdown:hover > .nav-link {
    color: #6D8EF8;
}

.nav-link.active::after,
.desktop-nav > a.active::after,
.nav-item.active > .nav-link::after {
    content: "";
    position: absolute;
    left: 13px;
    right: 13px;
    bottom: 16px;
    height: 3px;
    border-radius: 99px;
    background: #6D8EF8;
}

.nav-item {
    position: relative;
}

.has-dropdown > .nav-link::before {
    content: "";
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    order: 2;
    margin-left: 6px;
    opacity: .72;
}

.dropdown-menu {
    position: absolute;
    left: 50%;
    top: 70px;
    min-width: 168px;
    transform: translate(-50%, 12px);
    padding: 10px;
    background: #FFFFFF;
    border: 1px solid rgba(109,142,248,0.16);
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(80,96,150,0.16);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1200;
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.dropdown-wide {
    min-width: 190px;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 12px;
    color: #36425D;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: #EEF2FF;
    color: #6D8EF8;
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, #93AEFF 0%, #789AF9 55%, #5D7DF4 100%);
    color: #FFFFFF;
    font-weight: 800;
    letter-spacing: .02em;
    box-shadow: 0 12px 24px rgba(93,125,244,0.24);
    transition: transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}

.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(93,125,244,0.30);
}

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

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: #EEF2FF;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: #36425D;
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20,26,45,0.48);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1300;
    transition: opacity .25s ease, visibility .25s ease;
}

.mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 1400;
    transform: translateX(-104%);
    transition: transform .28s ease;
    box-shadow: 20px 0 44px rgba(27,35,70,0.18);
    overflow-y: auto;
}

.drawer-open {
    overflow: hidden;
}

.drawer-open .drawer-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

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

.drawer-head {
    min-height: 76px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(109,142,248,0.16);
}

.drawer-close {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: #EEF2FF;
    color: #36425D;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.drawer-nav {
    padding: 14px;
    display: grid;
    gap: 8px;
}

.drawer-nav a {
    padding: 13px 14px;
    border-radius: 14px;
    background: #F7F9FF;
    color: #36425D;
    font-weight: 700;
}

.drawer-nav a:hover {
    background: #EEF2FF;
    color: #6D8EF8;
}

main {
    display: block;
}

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

.banner-slider {
    max-width: 1200px;
    margin: 28px auto 36px;
    border-radius: 22px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(80,96,150,0.12);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.slider-track {
    position: relative;
    min-height: clamp(190px, 35vw, 430px);
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity .45s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.88);
    color: #6D8EF8;
    font-size: 26px;
    font-weight: 800;
    box-shadow: 0 8px 22px rgba(80,96,150,0.16);
    cursor: pointer;
    z-index: 6;
}

.slider-arrow.prev {
    left: 18px;
}

.slider-arrow.next {
    right: 18px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    display: flex;
    justify-content: center;
    gap: 9px;
    z-index: 6;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 50%;
    background: rgba(109,142,248,0.38);
    cursor: pointer;
}

.slider-dot.active {
    width: 28px;
    border-radius: 99px;
    background: #6D8EF8;
}

.section {
    padding: 34px 0;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 24px;
    text-align: center;
}

.eyebrow,
.tag,
.number-badge {
    color: #7C9CFF;
    font-weight: 800;
}

h1,
h2,
h3,
.section-title {
    color: #6D8EF8;
    line-height: 1.24;
    margin: 0 0 12px;
}

h1 {
    font-size: clamp(30px, 5vw, 52px);
}

h2,
.section-title {
    font-size: clamp(24px, 3.4vw, 36px);
}

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 14px;
}

.muted {
    color: #667086;
}

.note-text {
    color: #8C95A8;
    font-size: 14px;
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.hero-panel,
.notice-panel {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(109,142,248,0.18);
    box-shadow: 0 14px 36px rgba(80,96,150,0.12);
    border-radius: 24px;
}

.hero-panel {
    padding: clamp(24px, 4vw, 46px);
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 28px;
    align-items: center;
}

.hero-panel .text-link {
    font-weight: 800;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    margin-top: 20px;
}

.text-link {
    color: #6D8EF8;
    font-weight: 800;
}

.image-card {
    background: #F7F9FF;
    border-radius: 22px;
    padding: 12px;
    overflow: hidden;
    border: 1px solid rgba(109,142,248,0.14);
}

.image-card img,
.page-image img,
.app-image img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
    display: block;
    border-radius: 18px;
    background: #FFFFFF;
}

.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));
}

.zone-card,
.info-card,
.review-card,
.faq-card {
    padding: 24px;
}

.zone-card p,
.info-card p,
.review-card p,
.faq-card p {
    color: #667086;
}

.card-number {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: #EEF2FF;
    color: #6D8EF8;
    font-weight: 900;
    margin-bottom: 12px;
}

.split-card {
    display: grid;
    grid-template-columns: .92fr 1.08fr;
    gap: 26px;
    align-items: center;
    padding: clamp(24px, 4vw, 40px);
}

.light-box {
    background: #F7F9FF;
    border-radius: 20px;
    padding: 24px;
    border: 1px solid rgba(109,142,248,0.14);
}

.steps {
    counter-reset: step;
    display: grid;
    gap: 14px;
}

.step-item {
    position: relative;
    padding: 18px 18px 18px 64px;
    border-radius: 18px;
    background: #FFFFFF;
    border: 1px solid rgba(109,142,248,0.14);
}

.step-item::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 18px;
    top: 18px;
    width: 32px;
    height: 32px;
    border-radius: 12px;
    background: #EEF2FF;
    color: #6D8EF8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

.review-card strong {
    display: block;
    color: #253044;
    margin-bottom: 8px;
}

.notice-panel {
    padding: 26px;
    background: #EEF2FF;
}

.page-hero {
    padding: 46px 0 28px;
}

.page-hero .hero-panel {
    grid-template-columns: 1.1fr .9fr;
}

.breadcrumb {
    color: #8C95A8;
    font-size: 14px;
    margin-bottom: 10px;
}

.inline-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
    margin: 16px 0 0;
    list-style: none;
}

.inline-list li {
    padding: 8px 13px;
    border-radius: 999px;
    background: #EEF2FF;
    color: #6D8EF8;
    font-weight: 800;
    font-size: 14px;
}

.detail-list {
    padding-left: 18px;
    margin: 10px 0 0;
    color: #667086;
}

.detail-list li {
    margin-bottom: 8px;
}

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

.service-strip .info-card {
    text-align: center;
}

.site-footer {
    margin-top: 48px;
    background: #232B52;
    color: #EEF2FF;
}

.footer-inner {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
    padding: 44px 0 30px;
    display: grid;
    grid-template-columns: 1.08fr 1.7fr;
    gap: 36px;
}

.footer-brand p,
.footer-note p {
    color: #D9E2FF;
}

.footer-logo img {
    max-height: 50px;
    filter: none;
    margin-bottom: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.footer-links h3 {
    color: #EEF2FF;
    font-size: 18px;
}

.footer-links a {
    display: block;
    color: #D9E2FF;
    margin: 8px 0;
}

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

.footer-note {
    border-top: 1px solid rgba(238,242,255,0.15);
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
    padding: 20px 0 28px;
    font-size: 14px;
}

.registration-page {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 18px;
    background: #EBEFFF;
}

.registration-box {
    width: min(720px, 100%);
    padding: 36px;
    border-radius: 28px;
    background: #FFFFFF;
    border: 1px solid rgba(109,142,248,0.18);
    box-shadow: 0 14px 36px rgba(80,96,150,0.12);
    text-align: center;
}

.registration-box h1 {
    font-size: clamp(26px, 4vw, 42px);
}

@media (max-width: 1080px) {
    .desktop-nav {
        gap: 0;
    }
    .nav-link,
    .desktop-nav > a {
        padding: 0 9px;
        font-size: 14px;
    }
    .main-btn {
        padding: 0 20px;
    }
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .grid-3,
    .service-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .header-inner {
        min-height: 68px;
        justify-content: space-between;
        padding: 0 14px;
        gap: 10px;
    }
    .desktop-nav {
        display: none;
    }
    .menu-toggle {
        display: inline-flex;
        flex: 0 0 auto;
    }
    .header-inner .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    .logo img {
        max-height: 44px;
    }
    .header-btn {
        min-height: 40px;
        padding: 0 17px;
        font-size: 14px;
        margin-left: auto;
    }
    .banner-slider {
        margin: 18px 18px 26px;
        border-radius: 18px;
    }
    .slider-track {
        min-height: clamp(160px, 50vw, 300px);
    }
    .slider-arrow {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }
    .slider-arrow.prev {
        left: 10px;
    }
    .slider-arrow.next {
        right: 10px;
    }
    .hero-panel,
    .page-hero .hero-panel,
    .split-card,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .hero-panel {
        padding: 24px;
    }
    .section {
        padding: 24px 0;
    }
    .page-hero {
        padding: 28px 0 18px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1200px);
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .service-strip,
    .footer-links {
        grid-template-columns: 1fr;
    }
    .zone-card,
    .info-card,
    .review-card,
    .faq-card {
        padding: 20px;
    }
    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }
    .main-btn {
        width: fit-content;
    }
    .hero-actions .main-btn {
        width: 100%;
    }
    .footer-inner,
    .footer-note {
        width: min(100% - 28px, 1200px);
    }
    .registration-box {
        padding: 26px 20px;
    }
}