:root {
    --primary: #8c6de6;
    --primary-dark: #7E5DDD;
    --page-bg: #DDE0F4;
    --soft-bg: #F7F7FC;
    --soft-bg-2: #EEF0FA;
    --card-bg: rgba(255,255,255,0.92);
    --text: #2E2E3A;
    --muted: #66667A;
    --border: rgba(140,109,230,0.16);
    --shadow: 0 14px 36px rgba(140,109,230,0.10);
    --footer: #4B4A6B;
    --footer-text: #F3F2FB;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top left, rgba(255,255,255,0.78) 0, rgba(221,224,244,0.96) 34%, #DDE0F4 100%);
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1200px, calc(100% - 36px)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: #DDE0F4;
    backdrop-filter: blur(10px);
    box-shadow: 0 6px 18px rgba(140,109,230,0.08);
}
.desktop-top {
    height: 76px;
    display: grid;
    grid-template-columns: 168px 1fr auto;
    align-items: center;
    gap: 22px;
}
.brand-logo img { width: 142px; max-height: 52px; object-fit: contain; }
.nav-links { display: flex; justify-content: center; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-link {
    padding: 8px 13px;
    border-radius: 999px;
    color: #554B7A;
    font-size: 15px;
    font-weight: 600;
    transition: 0.25s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(255,255,255,0.82);
    box-shadow: inset 0 0 0 1px var(--border);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    border-radius: 999px;
    min-height: 42px;
    padding: 9px 22px;
    font-weight: 700;
    box-shadow: 0 10px 22px rgba(140,109,230,0.22);
    transition: 0.25s ease;
    white-space: nowrap;
}
.main-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.mobile-top { display: none; }
.menu-toggle {
    width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,0.82);
    display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.menu-toggle span { width: 18px; height: 2px; background: var(--primary); border-radius: 2px; }
.drawer-mask {
    position: fixed; inset: 0; background: rgba(28,25,42,0.38); z-index: 10000;
    opacity: 0; visibility: hidden; transition: 0.28s ease;
}
.mobile-drawer {
    position: fixed; left: 0; top: 0; bottom: 0; width: 82vw; max-width: 320px;
    background: linear-gradient(160deg, #FFFFFF 0%, #F7F7FC 60%, #EEF0FA 100%);
    z-index: 10001; transform: translateX(-104%); transition: transform 0.32s ease;
    box-shadow: 24px 0 44px rgba(75,74,107,0.16); padding: 18px; overflow-y: auto;
}
.drawer-open { overflow: hidden; }
.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-logo img { width: 128px; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 50%; background: #EEF0FA; color: var(--primary); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; gap: 9px; }
.drawer-link {
    padding: 12px 14px; border-radius: 15px; background: rgba(255,255,255,0.86); border: 1px solid var(--border);
    color: #554B7A; font-weight: 700;
}
.drawer-link.active, .drawer-link:hover { color: var(--primary); border-color: rgba(140,109,230,0.32); }
.drawer-note { margin-top: 18px; color: var(--muted); font-size: 13px; padding: 14px; border-radius: 16px; background: #fff; border: 1px solid var(--border); }
.site-main { min-height: 60vh; }
.section { padding: 54px 0; }
.section-title { margin: 0 0 12px; color: var(--primary); font-size: clamp(28px, 4vw, 42px); line-height: 1.22; }
.section-lead { max-width: 820px; margin: 0 auto 26px; color: var(--muted); font-size: 17px; text-align: center; }
.text-left .section-lead { text-align: left; margin-left: 0; }
.text-link { color: var(--primary); font-weight: 800; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "›"; font-size: 18px; }
.kicker, .tag {
    display: inline-flex; align-items: center; gap: 6px; color: var(--primary); background: rgba(255,255,255,0.76);
    border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; font-weight: 800; font-size: 13px;
}
.card, .zone-card, .info-card, .soft-panel, .faq-item, .feature-pair, .notice-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 24px;
}
.banner-slider {
    max-width: 1200px;
    margin: 28px auto 36px;
    border-radius: 24px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(140,109,230,0.10);
    overflow: hidden;
    position: relative;
    height: clamp(190px, 34vw, 420px);
    border: 1px solid var(--border);
}
.banner-track, .banner-slide { position: absolute; inset: 0; }
.banner-slide {
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FFFFFF 0%, #EEF0FA 100%);
}
.banner-slide.active { opacity: 1; z-index: 1; }
.banner-slide img { width: 100%; height: 100%; object-fit: contain; }
.slider-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
    width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(140,109,230,0.18);
    background: rgba(255,255,255,0.75); color: var(--primary); font-size: 31px; line-height: 1; cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: 0.25s ease;
}
.slider-arrow:hover { background: rgba(255,255,255,0.94); box-shadow: 0 10px 24px rgba(140,109,230,0.16); }
.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: 8px; }
.slider-dot { width: 10px; height: 10px; border: 0; border-radius: 999px; background: rgba(140,109,230,0.25); cursor: pointer; transition: 0.25s ease; }
.slider-dot.active { width: 28px; background: var(--primary); }
.quick-capsules { display: flex; gap: 14px; overflow-x: auto; padding: 0 2px 12px; scrollbar-width: thin; }
.capsule {
    min-width: 178px; flex: 1; padding: 15px 16px; border-radius: 22px;
    background: rgba(255,255,255,0.86); border: 1px solid var(--border); box-shadow: 0 12px 30px rgba(140,109,230,0.08);
    transition: 0.25s ease;
}
.capsule:hover { border-color: rgba(140,109,230,0.38); transform: translateY(-2px); }
.capsule .num { color: var(--primary); font-weight: 900; font-size: 13px; }
.capsule h3 { margin: 4px 0 3px; color: #3E3A58; font-size: 17px; }
.capsule p { margin: 0; color: var(--muted); font-size: 14px; }
.platform-strip { margin-top: 30px; }
.soft-panel { padding: 28px; background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(247,247,252,0.92)); }
.soft-panel p { margin: 0; color: #4A4865; font-size: 17px; }
.info-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.info-card { padding: 24px; }
.info-card .num { color: var(--primary); font-size: 24px; font-weight: 900; }
.info-card h3 { margin: 6px 0 8px; color: var(--primary); font-size: 21px; }
.info-card p { margin: 0; color: var(--muted); }
.feature-stack { display: grid; gap: 26px; }
.feature-pair {
    display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 26px; align-items: center; padding: 26px;
}
.feature-pair.reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); }
.media-frame {
    border-radius: 22px; background: linear-gradient(135deg, #FFFFFF, #EEF0FA); border: 1px solid var(--border);
    min-height: 250px; display: flex; align-items: center; justify-content: center; padding: 14px; overflow: hidden;
}
.content-img, .zone-card img, .app-section img, .banner-slider img { max-width: 100%; height: auto; }
.media-frame .content-img { width: 100%; max-height: 310px; object-fit: contain; }
.feature-copy h2, .app-copy h2, .page-copy h2 { margin: 0 0 12px; color: var(--primary); font-size: clamp(24px, 3vw, 34px); line-height: 1.25; }
.feature-copy p, .page-copy p, .app-copy p { color: var(--muted); margin: 0 0 14px; }
.service-points { display: grid; gap: 9px; padding: 0; margin: 16px 0; list-style: none; }
.service-points li {
    padding: 10px 13px; border-radius: 15px; background: rgba(238,240,250,0.88); color: #4B4866; border: 1px solid var(--border);
}
.zone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.zone-card { overflow: hidden; }
.zone-media { height: 175px; padding: 12px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #fff, #EEF0FA); }
.zone-media img { width: 100%; height: 100%; object-fit: contain; }
.zone-card .zone-body { padding: 20px; }
.zone-card.text-only { padding: 22px; min-height: 100%; }
.zone-card h3 { margin: 9px 0 8px; color: var(--primary); font-size: 22px; }
.zone-card p { margin: 0 0 13px; color: var(--muted); }
.app-section {
    display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 30px; align-items: center;
    padding: 30px; border-radius: 28px; border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(238,240,250,0.92)); box-shadow: var(--shadow);
}
.app-visual { border-radius: 24px; background: #fff; border: 1px solid var(--border); padding: 18px; display: flex; justify-content: center; align-items: center; }
.app-visual img { width: 100%; max-height: 330px; object-fit: contain; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0; margin: 18px 0; list-style: none; }
.feature-list li { padding: 12px 14px; border-radius: 16px; background: #fff; border: 1px solid var(--border); color: #4B4866; font-weight: 700; }
.security-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 24px; align-items: start; }
.security-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.notice-box { padding: 28px; background: linear-gradient(135deg, #fff, #F7F7FC); }
.notice-box h2 { color: var(--primary); margin: 0 0 12px; font-size: 30px; }
.notice-box p { color: var(--muted); margin: 0 0 12px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.faq-item { padding: 22px; }
.faq-item h3 { margin: 0 0 8px; color: var(--primary); font-size: 20px; }
.faq-item p { margin: 0; color: var(--muted); }
.compliance-bar { margin: 18px auto 54px; }
.compliance-bar .soft-panel { border-left: 5px solid var(--primary); }
.page-hero { padding: 46px 0 28px; }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 30px; align-items: center; }
.page-hero-card { padding: 34px; }
.page-hero-card h1 { margin: 12px 0 14px; color: var(--primary); font-size: clamp(32px, 5vw, 52px); line-height: 1.16; }
.page-hero-card p { margin: 0 0 14px; color: var(--muted); font-size: 17px; }
.page-hero-media { border-radius: 28px; padding: 18px; background: rgba(255,255,255,0.82); border: 1px solid var(--border); box-shadow: var(--shadow); min-height: 260px; display: flex; align-items: center; justify-content: center; }
.page-hero-media img { width: 100%; max-height: 360px; object-fit: contain; }
.page-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 22px; align-items: start; }
.page-copy { padding: 28px; }
.page-copy h2 { margin-top: 12px; }
.page-copy h2:first-child { margin-top: 0; }
.page-copy ul { margin: 10px 0 18px; padding-left: 20px; color: var(--muted); }
.side-card { padding: 24px; position: sticky; top: 96px; }
.side-card h3 { color: var(--primary); margin: 0 0 12px; font-size: 23px; }
.side-card p { color: var(--muted); margin: 0 0 12px; }
.step-list { display: grid; gap: 12px; margin-top: 14px; }
.step { padding: 15px; border-radius: 17px; background: rgba(238,240,250,0.86); border: 1px solid var(--border); }
.step strong { color: var(--primary); }
.text-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.text-card { padding: 23px; }
.text-card h3 { margin: 6px 0 8px; color: var(--primary); }
.text-card p { margin: 0; color: var(--muted); }
.contact-list { display: grid; gap: 12px; }
.contact-item { padding: 16px; border-radius: 18px; background: rgba(255,255,255,0.86); border: 1px solid var(--border); }
.contact-item strong { color: var(--primary); display: block; margin-bottom: 4px; }
@media (max-width: 1060px) {
    .desktop-top { grid-template-columns: 148px 1fr auto; gap: 12px; }
    .nav-link { padding: 7px 9px; font-size: 14px; }
    .zone-grid { grid-template-columns: repeat(2, 1fr); }
    .info-board { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .desktop-top { display: none; }
    .mobile-top {
        height: 68px; display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 10px; width: min(100% - 24px, 760px); margin: 0 auto;
    }
    .mobile-logo { justify-self: center; }
    .mobile-logo img { width: 126px; }
    .mobile-reg { min-height: 38px; padding: 7px 14px; font-size: 14px; }
    .container { width: min(100% - 28px, 760px); }
    .banner-slider { margin-top: 20px; border-radius: 20px; }
    .slider-arrow { width: 36px; height: 36px; font-size: 25px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .feature-pair, .feature-pair.reverse, .app-section, .security-layout, .page-hero-grid, .page-grid { grid-template-columns: 1fr; }
    .feature-pair.reverse .media-frame { order: 2; }
    .feature-pair.reverse .feature-copy { order: 1; }
    .media-frame { min-height: 210px; }
    .side-card { position: static; }
    .faq-grid, .security-cards, .text-cards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .section { padding: 38px 0; }
    .quick-capsules { width: calc(100% - 14px); margin-left: 14px; }
    .capsule { min-width: 172px; }
    .info-board, .zone-grid, .feature-list { grid-template-columns: 1fr; }
    .soft-panel, .feature-pair, .app-section, .page-copy, .notice-box, .page-hero-card { padding: 22px; }
    .page-hero-media { min-height: 210px; }
    .zone-media { height: 150px; }
    .footer-grid { grid-template-columns: 1fr; }
    .mobile-top { width: calc(100% - 20px); grid-template-columns: 48px 1fr auto; }
    .brand-logo img { width: 116px; }
    .mobile-reg { padding: 6px 11px; font-size: 13px; }
}
.site-footer { background: #4B4A6B; color: #F3F2FB; padding: 48px 0 24px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.45fr repeat(3, 1fr); gap: 28px; align-items: start; }
.footer-logo img { width: 136px; max-height: 52px; object-fit: contain; margin-bottom: 14px; }
.footer-brand p, .footer-legal p { color: rgba(243,242,251,0.82); margin: 0 0 10px; }
.footer-col h3 { margin: 0 0 13px; color: #fff; font-size: 19px; }
.footer-col a { display: block; color: rgba(243,242,251,0.82); margin: 8px 0; }
.footer-col a:hover { color: #fff; }
.footer-legal { border-top: 1px solid rgba(255,255,255,0.14); margin-top: 28px; padding-top: 20px; font-size: 14px; }