* {
    box-sizing: border-box;
}
:root {
    --bg: #EBEFFF;
    --white: #FFFFFF;
    --soft: #F7F9FF;
    --soft-2: #EEF2FF;
    --soft-3: #E3E9FF;
    --primary: #6D8EF8;
    --primary-light: #7C9CFF;
    --nav: #36425D;
    --text: #253044;
    --muted: #667086;
    --hint: #8C95A8;
    --footer: #232B52;
    --border: rgba(109,142,248,0.18);
    --shadow: 0 14px 36px rgba(80,96,150,0.12);
    --button: linear-gradient(180deg, #93AEFF 0%, #789AF9 55%, #5D7DF4 100%);
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    padding-top: 86px;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #FFFFFF;
    z-index: 2000;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(80,96,150,0.10);
}
.header-inner {
    max-width: 1240px;
    margin: 0 auto;
    height: 86px;
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 0 22px;
}
.logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}
.logo img {
    max-height: 52px;
    width: auto;
    display: block;
}
.desktop-logo {
    min-width: 142px;
}
.nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1 1 auto;
    min-width: 0;
    justify-content: center;
}
.nav > a,
.nav-item > a {
    color: var(--nav);
    padding: 28px 10px 24px;
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    position: relative;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.nav > a::after,
.nav-item > a::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 14px;
    height: 3px;
    border-radius: 999px;
    background: var(--primary);
    opacity: 0;
    transform: scaleX(.65);
    transition: .25s ease;
}
.nav > a.active,
.nav-item > a.active,
.nav > a:hover,
.nav-item > a:hover {
    color: var(--primary);
}
.nav > a.active::after,
.nav-item > a.active::after,
.nav > a:hover::after,
.nav-item > a:hover::after {
    opacity: 1;
    transform: scaleX(1);
}
.nav-item {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% - 8px);
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    min-width: 168px;
    padding: 10px;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(80,96,150,0.18);
    opacity: 0;
    visibility: hidden;
    transition: .22s ease;
    z-index: 3000;
}
.dropdown:hover .dropdown-menu,
.dropdown.is-open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
    display: block;
    color: var(--nav);
    font-weight: 650;
    padding: 9px 12px;
    border-radius: 10px;
    white-space: nowrap;
}
.dropdown-menu a:hover {
    color: var(--primary);
    background: var(--soft-2);
}
.header-register,
.mobile-register,
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 22px;
    border-radius: 999px;
    background: var(--button);
    color: #FFFFFF;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(93,125,244,0.28);
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}
.header-register {
    flex: 0 0 auto;
}
.mobile-bar {
    display: none;
}
.page-main,
.home-main {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 22px 72px;
}
.banner-slider {
    max-width: 1200px;
    height: clamp(238px, 42vw, 500px);
    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;
}
.banner-track,
.banner-slide {
    width: 100%;
    height: 100%;
}
.banner-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .45s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-slide.active {
    opacity: 1;
    z-index: 2;
}
.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
    display: block;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 0;
    background: rgba(255,255,255,0.88);
    color: var(--primary);
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(80,96,150,0.20);
}
.slider-prev {
    left: 18px;
}
.slider-next {
    right: 18px;
}
.slider-dots {
    position: absolute;
    z-index: 5;
    left: 0;
    right: 0;
    bottom: 16px;
    display: flex;
    justify-content: center;
    gap: 9px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    border: 0;
    background: rgba(109,142,248,0.32);
    cursor: pointer;
    transition: .22s ease;
}
.slider-dot.active {
    width: 28px;
    background: var(--primary);
}
.section {
    margin: 34px 0;
}
.section-head {
    max-width: 760px;
    margin-bottom: 22px;
}
.eyebrow,
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-light);
    background: rgba(124,156,255,0.12);
    border: 1px solid rgba(124,156,255,0.20);
    border-radius: 999px;
    padding: 4px 12px;
    font-weight: 800;
    font-size: 13px;
    margin-bottom: 10px;
}
h1,
h2,
h3,
.section-title {
    color: var(--primary);
    line-height: 1.32;
    margin: 0 0 12px;
}
h1 {
    font-size: clamp(30px, 5vw, 54px);
}
h2 {
    font-size: clamp(24px, 3.2vw, 36px);
}
h3 {
    font-size: 20px;
}
p {
    margin: 0 0 14px;
}
.lead {
    font-size: 18px;
    color: var(--muted);
}
.text-muted {
    color: var(--muted);
}
.hint {
    color: var(--hint);
    font-size: 14px;
}
.highlight,
.text-link {
    color: var(--primary);
    font-weight: 800;
}
.text-link {
    display: inline-flex;
    margin-top: 8px;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.step-card,
.notice-card,
.image-panel,
.inner-hero,
.split-card {
    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: 22px;
}
.split-card,
.inner-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
    gap: 28px;
    align-items: center;
    padding: clamp(24px, 4vw, 44px);
    overflow: hidden;
}
.inner-hero {
    margin: 28px 0 34px;
}
.image-panel {
    padding: 12px;
    overflow: hidden;
    background: #FFFFFF;
}
.image-panel img {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    display: block;
    border-radius: 16px;
    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));
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.step-card,
.notice-card {
    padding: 22px;
}
.card h3,
.zone-card h3,
.info-card h3 {
    margin-bottom: 8px;
}
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p {
    color: var(--muted);
}
.card-img {
    margin: 0 0 16px;
    border-radius: 18px;
    background: #FFFFFF;
    overflow: hidden;
    border: 1px solid rgba(109,142,248,0.12);
}
.card-img img {
    width: 100%;
    height: 190px;
    object-fit: contain;
    display: block;
    background: #FFFFFF;
}
.number-badge {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(124,156,255,0.14);
    color: var(--primary-light);
    font-weight: 900;
    margin-bottom: 12px;
}
.list-check {
    margin: 0;
    padding: 0;
    list-style: none;
}
.list-check li {
    position: relative;
    padding-left: 26px;
    color: var(--muted);
    margin: 8px 0;
}
.list-check li::before {
    content: "✓";
    color: var(--primary);
    font-weight: 900;
    position: absolute;
    left: 0;
}
.notice-card {
    background: #EEF2FF;
}
.notice-card strong {
    color: var(--primary);
}
.faq-list {
    display: grid;
    gap: 16px;
}
.faq-item h3 {
    font-size: 18px;
}
.review-card {
    position: relative;
}
.review-card::before {
    content: "“";
    position: absolute;
    right: 18px;
    top: 8px;
    color: rgba(109,142,248,0.18);
    font-size: 72px;
    line-height: 1;
    font-family: Georgia, serif;
}
.cta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}
.simple-hero {
    padding: 46px 0 18px;
    max-width: 840px;
}
.app-strip {
    background: var(--soft);
}
.site-footer {
    background: var(--footer);
    color: #EEF2FF;
    padding: 48px 22px 24px;
}
.footer-inner {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(260px, 1.3fr) .65fr .65fr minmax(260px, .95fr);
    gap: 28px;
}
.footer-logo img {
    max-height: 50px;
}
.footer-brand p,
.footer-note p,
.footer-bottom p {
    color: rgba(238,242,255,0.82);
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.footer-links h3,
.footer-note h3 {
    color: #FFFFFF;
    margin-bottom: 8px;
}
.footer-links a {
    color: rgba(238,242,255,0.84);
}
.footer-links a:hover {
    color: #FFFFFF;
}
.footer-bottom {
    max-width: 1240px;
    margin: 30px auto 0;
    padding-top: 18px;
    border-top: 1px solid rgba(238,242,255,0.14);
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}
.drawer-mask,
.mobile-drawer {
    display: none;
}
@media (max-width: 1120px) {
    .nav > a,
    .nav-item > a {
        padding-left: 7px;
        padding-right: 7px;
        font-size: 14px;
    }
    .header-inner {
        gap: 12px;
    }
}
@media (max-width: 980px) {
    body {
        padding-top: 68px;
    }
    .header-inner {
        display: none;
    }
    .mobile-bar {
        height: 68px;
        display: grid;
        grid-template-columns: 56px 1fr auto;
        align-items: center;
        gap: 10px;
        padding: 0 14px;
    }
    .mobile-logo {
        justify-content: center;
    }
    .mobile-logo img {
        max-height: 44px;
    }
    .menu-toggle {
        width: 44px;
        height: 44px;
        border: 0;
        background: var(--soft-2);
        border-radius: 12px;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    .menu-toggle span {
        width: 22px;
        height: 2px;
        border-radius: 999px;
        background: var(--nav);
    }
    .mobile-register {
        min-height: 38px;
        padding: 0 16px;
    }
    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.36);
        z-index: 2090;
        opacity: 0;
        visibility: hidden;
        transition: .25s ease;
    }
    .mobile-drawer {
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 84vw;
        max-width: 320px;
        background: #FFFFFF;
        z-index: 2100;
        transform: translateX(-102%);
        transition: transform .28s ease;
        box-shadow: 20px 0 44px rgba(35,43,82,0.18);
        overflow-y: auto;
    }
    body.drawer-open {
        overflow: hidden;
    }
    body.drawer-open .drawer-mask {
        opacity: 1;
        visibility: visible;
    }
    body.drawer-open .mobile-drawer {
        transform: translateX(0);
    }
    .drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px;
        border-bottom: 1px solid var(--border);
    }
    .drawer-head img {
        max-height: 46px;
    }
    .drawer-close {
        width: 38px;
        height: 38px;
        border: 0;
        border-radius: 12px;
        background: var(--soft-2);
        color: var(--primary);
        font-size: 28px;
        line-height: 1;
    }
    .drawer-nav {
        padding: 12px 16px 24px;
        display: grid;
        gap: 6px;
    }
    .drawer-nav a {
        padding: 11px 12px;
        border-radius: 12px;
        color: var(--nav);
        font-weight: 800;
        background: #F7F9FF;
    }
    .split-card,
    .inner-hero {
        grid-template-columns: 1fr;
    }
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 640px) {
    .page-main,
    .home-main {
        padding-left: 14px;
        padding-right: 14px;
        padding-bottom: 52px;
    }
    .banner-slider {
        margin: 18px auto 24px;
        border-radius: 16px;
        height: clamp(190px, 62vw, 280px);
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 24px;
    }
    .slider-prev {
        left: 10px;
    }
    .slider-next {
        right: 10px;
    }
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .split-card,
    .inner-hero {
        padding: 22px;
        border-radius: 18px;
    }
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .step-card,
    .notice-card {
        padding: 18px;
        border-radius: 18px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        display: block;
    }
}