* {
    box-sizing: border-box;
}
:root {
    --bg: #EBEFFF;
    --white: #FFFFFF;
    --soft: #F7F9FF;
    --soft2: #EEF2FF;
    --soft3: #E3E9FF;
    --primary: #6D8EF8;
    --accent: #7C9CFF;
    --nav: #36425D;
    --text: #253044;
    --muted: #667086;
    --light: #8C95A8;
    --footer: #232B52;
    --line: rgba(109,142,248,0.18);
    --shadow: 0 14px 36px rgba(80,96,150,0.12);
    --btn: linear-gradient(180deg, #93AEFF 0%, #789AF9 55%, #5D7DF4 100%);
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    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;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(80,96,150,0.10);
}
.header-inner {
    max-width: 1240px;
    margin: 0 auto;
    min-height: 86px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 20px;
}
.logo,
.drawer-logo,
.footer-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}
.logo img,
.drawer-logo img,
.footer-logo img {
    max-height: 52px;
    width: auto;
    display: block;
}
.desktop-nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    white-space: nowrap;
    min-width: 0;
}
.desktop-nav > a,
.nav-dropdown > button {
    position: relative;
    border: 0;
    background: transparent;
    color: #36425D;
    font: inherit;
    font-weight: 700;
    padding: 26px 12px;
    cursor: pointer;
}
.desktop-nav > a::after,
.nav-dropdown > button::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 19px;
    height: 3px;
    border-radius: 10px;
    background: transparent;
}
.desktop-nav > a.active,
.nav-dropdown.active > button,
.desktop-nav > a:hover,
.nav-dropdown > button:hover {
    color: #6D8EF8;
}
.desktop-nav > a.active::after,
.nav-dropdown.active > button::after {
    background: #6D8EF8;
}
.nav-dropdown {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: 78px;
    left: 0;
    width: 178px;
    padding: 10px;
    border-radius: 18px;
    background: #FFFFFF;
    box-shadow: 0 18px 38px rgba(80,96,150,0.18);
    border: 1px solid var(--line);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: .22s ease;
    z-index: 1200;
}
.dropdown-menu.right-menu {
    left: auto;
    right: 0;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.dropdown-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--nav);
    font-weight: 700;
}
.dropdown-menu a:hover {
    color: var(--primary);
    background: var(--soft2);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 24px;
    border-radius: 999px;
    background: var(--btn);
    color: #FFFFFF;
    font-weight: 800;
    border: 0;
    box-shadow: 0 12px 22px rgba(93,125,244,0.24);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(93,125,244,0.28);
}
.header-btn {
    flex: 0 0 auto;
}
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: var(--soft2);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--nav);
    border-radius: 6px;
}
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(18,24,43,.45);
    z-index: 1090;
    opacity: 0;
    pointer-events: none;
    transition: .24s ease;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 82vw;
    max-width: 320px;
    background: #FFFFFF;
    z-index: 1100;
    box-shadow: 12px 0 34px rgba(30,40,80,0.20);
    transform: translateX(-105%);
    transition: transform .28s ease;
    padding: 18px;
    overflow-y: auto;
}
.drawer-open {
    overflow: hidden;
}
.drawer-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
}
.drawer-open .mobile-drawer {
    transform: translateX(0);
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}
.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 12px;
    background: var(--soft2);
    color: var(--nav);
    font-size: 26px;
    line-height: 1;
}
.drawer-nav {
    display: grid;
    gap: 8px;
    padding: 18px 0;
}
.drawer-nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--nav);
    font-weight: 800;
    background: var(--soft);
}
.drawer-nav a:hover {
    color: var(--primary);
    background: var(--soft2);
}
.drawer-note {
    margin-top: 8px;
    padding: 14px;
    border-radius: 16px;
    background: var(--soft2);
    color: var(--muted);
    font-size: 14px;
}
main {
    min-height: 60vh;
}
.container,
.section,
.page-hero,
.banner-slider {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.banner-slider {
    margin-top: 28px;
    margin-bottom: 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;
    aspect-ratio: 16 / 7;
    min-height: 260px;
    background: #FFFFFF;
}
.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .45s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
}
.slide.active {
    opacity: 1;
    z-index: 2;
}
.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
    display: block;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.86);
    color: var(--primary);
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(80,96,150,.18);
}
.slider-arrow.prev { left: 18px; }
.slider-arrow.next { right: 18px; }
.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
}
.slider-dots button {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 999px;
    background: rgba(109,142,248,.36);
    cursor: pointer;
    transition: .2s ease;
}
.slider-dots button.active {
    width: 28px;
    background: var(--primary);
}
.section {
    padding: 34px 22px;
}
.section + .section {
    padding-top: 18px;
}
.section-head {
    max-width: 820px;
    margin-bottom: 22px;
}
.eyebrow,
.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--accent);
    font-weight: 800;
    letter-spacing: .02em;
}
h1,
h2,
h3,
.section-title {
    color: #6D8EF8;
    line-height: 1.28;
    margin: 0 0 12px;
}
h1 {
    font-size: clamp(32px, 5vw, 54px);
}
h2 {
    font-size: clamp(26px, 3vw, 36px);
}
h3 {
    font-size: 21px;
}
p {
    margin: 0 0 12px;
    color: var(--muted);
}
.highlight,
.text-link {
    color: #6D8EF8;
    font-weight: 800;
}
.text-link {
    display: inline-flex;
    margin-top: 10px;
}
.page-hero,
.hero-card {
    padding: 46px 22px 30px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
    gap: 28px;
    align-items: center;
}
.hero-panel,
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.safe-panel,
.step-card,
.notice-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: 24px;
}
.hero-panel {
    padding: 30px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 20px;
}
.image-frame {
    border-radius: 24px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 10px;
    overflow: hidden;
}
.image-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 18px;
}
.grid {
    display: grid;
    gap: 18px;
}
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.step-card,
.notice-card {
    padding: 22px;
}
.card h3,
.zone-card h3,
.info-card h3,
.faq-card h3,
.step-card h3,
.notice-card h3 {
    margin-bottom: 8px;
}
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-card p,
.step-card p,
.notice-card p {
    margin-bottom: 0;
}
.icon-badge,
.number-badge {
    display: inline-flex;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: #7C9CFF;
    background: var(--soft2);
    font-weight: 900;
}
.media-card {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 22px;
    align-items: center;
}
.media-card.reverse {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
}
.media-card .image-frame {
    box-shadow: none;
}
.list-check {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 18px 0 0;
    list-style: none;
}
.list-check li {
    position: relative;
    padding-left: 30px;
    color: var(--muted);
}
.list-check li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .56em;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 5px rgba(109,142,248,.14);
}
.review-card {
    position: relative;
}
.review-card strong {
    display: block;
    color: var(--text);
    margin-bottom: 8px;
}
.review-card span {
    color: var(--light);
    font-size: 14px;
}
.safe-panel {
    padding: 24px;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,249,255,.96));
}
.notice-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}
.page-main {
    padding-bottom: 34px;
}
.site-footer {
    margin-top: 36px;
    background: #232B52;
    color: #EEF2FF;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 42px 22px 30px;
    display: grid;
    grid-template-columns: 1.35fr .75fr .75fr 1fr;
    gap: 28px;
}
.footer-brand p,
.footer-safe p,
.footer-bottom {
    color: rgba(238,242,255,.78);
}
.footer-links {
    display: grid;
    align-content: start;
    gap: 8px;
}
.footer-links h3,
.footer-safe h3 {
    color: #EEF2FF;
    margin-bottom: 8px;
}
.footer-links a {
    color: rgba(238,242,255,.82);
}
.footer-links a:hover {
    color: #FFFFFF;
}
.footer-btn {
    margin-top: 12px;
}
.footer-bottom {
    border-top: 1px solid rgba(238,242,255,.12);
    text-align: center;
    padding: 16px 20px 22px;
    font-size: 14px;
}
@media (max-width: 1120px) {
    .desktop-nav > a,
    .nav-dropdown > button {
        padding-left: 8px;
        padding-right: 8px;
        font-size: 15px;
    }
    .header-inner {
        gap: 14px;
    }
}
@media (max-width: 960px) {
    body {
        padding-top: 76px;
    }
    .header-inner {
        min-height: 76px;
        justify-content: space-between;
    }
    .desktop-nav {
        display: none;
    }
    .menu-toggle {
        display: inline-flex;
        flex: 0 0 auto;
    }
    .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    .logo img {
        max-height: 44px;
    }
    .header-btn {
        padding: 8px 18px;
        min-height: 38px;
    }
    .page-hero,
    .hero-card,
    .media-card,
    .media-card.reverse {
        grid-template-columns: 1fr;
    }
    .cards-4,
    .cards-3,
    .notice-row,
    .footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .slider-track {
        aspect-ratio: 16 / 9;
        min-height: 220px;
    }
}
@media (max-width: 640px) {
    body {
        padding-top: 70px;
    }
    .header-inner {
        min-height: 70px;
        padding: 0 14px;
    }
    .logo img {
        max-height: 38px;
    }
    .main-btn {
        padding: 9px 18px;
    }
    .header-btn {
        min-height: 36px;
        padding: 7px 15px;
    }
    .banner-slider {
        margin: 16px 12px 22px;
        border-radius: 18px;
    }
    .slider-track {
        min-height: 170px;
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }
    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }
    .page-hero,
    .hero-card,
    .section {
        padding-left: 14px;
        padding-right: 14px;
    }
    .hero-panel,
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-card,
    .step-card,
    .notice-card,
    .safe-panel {
        padding: 18px;
        border-radius: 20px;
    }
    .cards-4,
    .cards-3,
    .cards-2,
    .notice-row,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        padding-top: 34px;
    }
}