* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: linear-gradient(180deg, #DDE0F4 0%, #F7F7FC 46%, #DDE0F4 100%);
    color: #2E2E3A;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

body.drawer-open {
    overflow: hidden;
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: rgba(221, 224, 244, 0.94);
    backdrop-filter: blur(10px);
    box-shadow: 0 6px 18px rgba(140, 109, 230, 0.08);
}

.desktop-top {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 20px 12px;
    display: grid;
    grid-template-columns: 180px 1fr auto;
    align-items: center;
    gap: 18px;
    min-height: 72px;
}

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

.brand-logo img {
    width: 146px;
    max-height: 46px;
    object-fit: contain;
}

.nav-core {
    display: flex;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
}

.nav-core a {
    color: #554B7A;
    position: relative;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 999px;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: #8c6de6;
    background: rgba(140, 109, 230, 0.08);
}

.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -8px;
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: #8c6de6;
    transform: translateX(-50%);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #8c6de6;
    color: #FFFFFF;
    border-radius: 999px;
    box-shadow: 0 10px 22px rgba(140, 109, 230, 0.22);
    padding: 10px 22px;
    min-height: 42px;
    font-weight: 700;
    letter-spacing: .02em;
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}

.main-btn:hover {
    background: #7E5DDD;
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(140, 109, 230, 0.28);
}

.header-btn {
    justify-self: end;
}

.channel-bar {
    background: rgba(255, 255, 255, 0.76);
    border-top: 1px solid rgba(140, 109, 230, 0.10);
    border-bottom: 1px solid rgba(140, 109, 230, 0.10);
}

.channel-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
}

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

.channel-bar a {
    color: #66667A;
    border-radius: 999px;
    padding: 7px 13px;
    flex: 0 0 auto;
    font-size: 14px;
    transition: color .2s ease, background .2s ease;
}

.channel-bar a:hover,
.channel-bar a.active {
    color: #8c6de6;
    background: rgba(140, 109, 230, 0.10);
}

.mobile-top {
    display: none;
}

.page-shell {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 50px;
    display: grid;
    grid-template-columns: 180px minmax(0, 1200px);
    gap: 20px;
    align-items: start;
}

.site-main {
    min-width: 0;
}

.side-quick-nav {
    position: sticky;
    top: 110px;
    margin-top: 28px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(140, 109, 230, 0.16);
    border-radius: 18px;
    box-shadow: 0 14px 36px rgba(140, 109, 230, 0.10);
    padding: 16px;
}

.side-quick-nav strong {
    display: block;
    color: #8c6de6;
    margin-bottom: 10px;
}

.side-quick-nav a {
    display: block;
    color: #66667A;
    border-radius: 12px;
    padding: 9px 10px;
    margin: 3px 0;
    font-size: 14px;
    transition: color .2s ease, background .2s ease;
}

.side-quick-nav a:hover,
.side-quick-nav a.active {
    color: #8c6de6;
    background: rgba(140, 109, 230, 0.10);
}

.banner-slider {
    max-width: 1200px;
    height: 360px;
    margin: 28px auto 36px;
    border-radius: 20px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(140, 109, 230, 0.10);
    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;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(140, 109, 230, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    color: #8c6de6;
    box-shadow: 0 10px 22px rgba(140, 109, 230, 0.12);
    cursor: pointer;
    font-size: 30px;
    line-height: 1;
}

.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(140, 109, 230, 0.25);
    padding: 0;
    cursor: pointer;
}

.slider-dots button.active {
    background: #8c6de6;
}

h1,
h2,
h3,
.section-title {
    color: #8c6de6;
    line-height: 1.28;
    margin-top: 0;
}

p {
    margin: 0 0 14px;
}

.section-kicker,
.tag,
.label,
.num,
.badge {
    color: #8c6de6;
    font-weight: 800;
    letter-spacing: .04em;
}

.text-link {
    color: #8c6de6;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.text-link::after {
    content: "→";
}

.intro-panel,
.split-panel,
.app-section,
.single-feature,
.about-mini,
.faq-preview,
.review-section,
.notice-section,
.compliance-note,
.inner-hero,
.contact-box {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(140, 109, 230, 0.16);
    border-radius: 24px;
    box-shadow: 0 14px 36px rgba(140, 109, 230, 0.10);
}

.intro-panel {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 28px;
    padding: 34px;
    align-items: center;
    margin-bottom: 26px;
}

.intro-text h1 {
    font-size: clamp(28px, 4vw, 46px);
    margin-bottom: 18px;
}

.intro-text p {
    font-size: 16px;
    color: #3D3D4C;
}

.intro-actions,
.link-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 18px;
}

.intro-image,
.split-panel > img,
.app-section > img,
.single-feature > img {
    border-radius: 20px;
    background: #F7F7FC;
    border: 1px solid rgba(140, 109, 230, 0.12);
    overflow: hidden;
}

.intro-image img,
.split-panel > img,
.app-section > img,
.single-feature > img,
.content-img,
.zone-card img,
.image-card img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.intro-image img {
    max-height: 280px;
    margin: 0 auto;
}

.quick-cats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 26px;
}

.quick-cats a,
.info-strip div,
.info-card,
.zone-card,
.image-card,
.feature-card,
.notice-section article {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(140, 109, 230, 0.16);
    box-shadow: 0 14px 36px rgba(140, 109, 230, 0.10);
    border-radius: 20px;
}

.quick-cats a {
    padding: 18px;
    min-height: 132px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    transition: transform .2s ease, border-color .2s ease;
}

.quick-cats a:hover {
    transform: translateY(-2px);
    border-color: rgba(140, 109, 230, 0.30);
}

.quick-cats strong {
    color: #8c6de6;
    font-size: 18px;
}

.quick-cats span {
    color: #66667A;
    font-size: 14px;
}

.quick-cats em {
    color: #8c6de6;
    font-style: normal;
    font-weight: 700;
    margin-top: auto;
}

.info-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 28px;
}

.info-strip div {
    padding: 20px;
}

.info-strip h2 {
    font-size: 20px;
    margin: 6px 0 8px;
}

.info-strip p,
.zone-card p,
.image-card p,
.info-card p {
    color: #66667A;
}

.dual-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 26px;
}

.feature-card {
    padding: 18px;
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 18px;
    align-items: center;
}

.feature-card img {
    width: 100%;
    max-height: 190px;
    object-fit: contain;
    border-radius: 16px;
    background: #F7F7FC;
    padding: 8px;
}

.feature-card ul,
.check-list {
    padding-left: 18px;
    margin: 10px 0 14px;
    color: #4B4A6B;
}

.two-column,
.grid-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 26px;
}

.grid-section {
    grid-template-columns: repeat(3, 1fr);
}

.image-card,
.info-card {
    padding: 22px;
}

.image-card img {
    max-height: 210px;
    margin: 0 auto 16px;
    border-radius: 16px;
    background: #F7F7FC;
    padding: 8px;
}

.content-wall {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 26px;
}

.content-wall.mini {
    margin-top: 0;
}

.zone-card {
    padding: 18px;
}

.zone-card img {
    max-height: 190px;
    margin: 0 auto 16px;
    border-radius: 16px;
    background: #F7F7FC;
    padding: 8px;
}

.app-section,
.split-panel,
.single-feature {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 26px;
    padding: 30px;
    align-items: center;
    margin-bottom: 26px;
}

.single-feature.reverse {
    grid-template-columns: .85fr 1.15fr;
}

.single-feature.reverse img {
    order: 1;
}

.single-feature.reverse div {
    order: 2;
}

.app-section img,
.split-panel > img,
.single-feature > img {
    max-height: 300px;
    margin: 0 auto;
    padding: 8px;
}

.point-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}

.point-grid span {
    background: #EEF0FA;
    color: #554B7A;
    border-radius: 14px;
    padding: 10px 12px;
    border: 1px solid rgba(140, 109, 230, 0.12);
    font-weight: 650;
}

.notice-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding: 22px;
    margin-bottom: 26px;
}

.notice-section article {
    box-shadow: none;
    padding: 20px;
    background: #F7F7FC;
}

.review-section,
.faq-preview,
.about-mini,
.compliance-note,
.inner-hero,
.contact-box {
    padding: 30px;
    margin-bottom: 26px;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 16px;
}

.review-section.compact .review-grid {
    grid-template-columns: repeat(3, 1fr);
}

blockquote {
    margin: 0;
    background: #F7F7FC;
    border: 1px solid rgba(140, 109, 230, 0.14);
    border-radius: 18px;
    padding: 18px;
    color: #3D3D4C;
}

.faq-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

details {
    background: #F7F7FC;
    border: 1px solid rgba(140, 109, 230, 0.14);
    border-radius: 16px;
    padding: 16px 18px;
}

summary {
    cursor: pointer;
    color: #554B7A;
    font-weight: 800;
}

details p {
    margin: 12px 0 0;
    color: #66667A;
}

.compliance-note {
    background: #EEF0FA;
}

.compliance-note strong {
    display: block;
    color: #8c6de6;
    margin-bottom: 10px;
}

.inner-hero {
    margin-top: 28px;
    background:
        radial-gradient(circle at 20% 10%, rgba(140, 109, 230, 0.15), transparent 30%),
        rgba(255, 255, 255, 0.92);
}

.inner-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    margin: 8px 0 16px;
}

.inner-hero p {
    max-width: 900px;
    color: #3D3D4C;
}

.contact-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.contact-box div {
    background: #F7F7FC;
    border-radius: 18px;
    border: 1px solid rgba(140, 109, 230, 0.14);
    padding: 18px;
}

.contact-box strong {
    color: #8c6de6;
    display: block;
    margin-bottom: 8px;
}

.site-footer {
    background: #4B4A6B;
    color: #F3F2FB;
    padding: 40px 20px 34px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr .9fr 1fr;
    gap: 28px;
    align-items: start;
}

.footer-brand img {
    width: 142px;
    max-height: 46px;
    object-fit: contain;
    margin-bottom: 14px;
}

.footer-brand p,
.footer-reminder p {
    color: rgba(243, 242, 251, 0.82);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.footer-links a {
    color: #F3F2FB;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    padding: 8px 12px;
    text-align: center;
}

.footer-reminder strong {
    color: #FFFFFF;
}

.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(46, 46, 58, 0.35);
    z-index: 9998;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}

.drawer-mask.show {
    opacity: 1;
    pointer-events: auto;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    height: 100vh;
    width: 84%;
    max-width: 320px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F7F7FC 100%);
    box-shadow: 18px 0 40px rgba(46, 46, 58, 0.18);
    transform: translateX(-102%);
    transition: transform .28s ease;
    overflow-y: auto;
    padding: 18px;
}

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

.drawer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.drawer-head img {
    width: 132px;
    max-height: 42px;
    object-fit: contain;
}

.drawer-close {
    border: none;
    background: rgba(140, 109, 230, 0.10);
    color: #8c6de6;
    border-radius: 999px;
    width: 36px;
    height: 36px;
    font-size: 24px;
    cursor: pointer;
}

.drawer-links {
    display: grid;
    gap: 8px;
}

.drawer-links a {
    display: block;
    padding: 11px 12px;
    border-radius: 14px;
    color: #554B7A;
    background: rgba(140, 109, 230, 0.06);
}

.drawer-links a.active,
.drawer-links a:hover {
    color: #8c6de6;
    background: rgba(140, 109, 230, 0.13);
}

.drawer-note {
    margin-top: 18px;
    padding: 14px;
    border-radius: 16px;
    background: #EEF0FA;
    color: #66667A;
    font-size: 13px;
}

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

@media (max-width: 1120px) {
    .desktop-top {
        grid-template-columns: 160px 1fr auto;
        gap: 10px;
    }

    .nav-core a {
        padding: 9px 10px;
        font-size: 14px;
    }

    .page-shell {
        grid-template-columns: minmax(0, 1fr);
        max-width: 1200px;
    }

    .side-quick-nav {
        display: none;
    }

    .feature-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    body {
        padding-bottom: 78px;
    }

    .desktop-top,
    .channel-bar {
        display: none;
    }

    .mobile-top {
        display: grid;
        grid-template-columns: 48px 1fr auto;
        align-items: center;
        gap: 10px;
        padding: 10px 14px;
        min-height: 64px;
    }

    .menu-toggle {
        width: 44px;
        height: 44px;
        border: none;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.72);
        box-shadow: 0 8px 20px rgba(140, 109, 230, 0.10);
        display: inline-grid;
        place-content: center;
        gap: 5px;
        cursor: pointer;
    }

    .menu-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 999px;
        background: #8c6de6;
    }

    .mobile-logo {
        justify-self: center;
    }

    .mobile-logo img {
        width: 126px;
        max-height: 42px;
    }

    .mobile-reg {
        padding: 8px 13px;
        min-height: 38px;
        font-size: 13px;
    }

    .page-shell {
        padding: 0 14px 34px;
    }

    .banner-slider {
        height: 220px;
        margin: 18px auto 22px;
        border-radius: 18px;
    }

    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 24px;
    }

    .slider-prev {
        left: 10px;
    }

    .slider-next {
        right: 10px;
    }

    .intro-panel,
    .app-section,
    .split-panel,
    .single-feature,
    .single-feature.reverse {
        grid-template-columns: 1fr;
        padding: 22px;
    }

    .single-feature.reverse img,
    .single-feature.reverse div {
        order: initial;
    }

    .quick-cats,
    .info-strip,
    .content-wall,
    .grid-section,
    .review-grid,
    .review-section.compact .review-grid,
    .contact-box {
        grid-template-columns: repeat(2, 1fr);
    }

    .dual-feature,
    .two-column,
    .notice-section,
    .footer-inner {
        grid-template-columns: 1fr;
    }

    .inner-hero,
    .review-section,
    .faq-preview,
    .about-mini,
    .compliance-note,
    .contact-box {
        padding: 22px;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9997;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: rgba(255, 255, 255, 0.96);
        border-top: 1px solid rgba(140, 109, 230, 0.16);
        box-shadow: 0 -8px 24px rgba(140, 109, 230, 0.10);
        padding: 7px 8px 9px;
    }

    .mobile-bottom-nav a {
        color: #66667A;
        display: grid;
        place-items: center;
        gap: 2px;
        font-size: 12px;
        border-radius: 12px;
        padding: 5px 0;
    }

    .mobile-bottom-nav span {
        font-size: 16px;
        line-height: 1;
    }

    .mobile-bottom-nav a.active,
    .mobile-bottom-nav a:hover {
        color: #8c6de6;
        background: rgba(140, 109, 230, 0.08);
    }
}

@media (max-width: 560px) {
    .banner-slider {
        height: 188px;
    }

    .quick-cats,
    .info-strip,
    .content-wall,
    .grid-section,
    .review-grid,
    .review-section.compact .review-grid,
    .contact-box {
        grid-template-columns: 1fr;
    }

    .point-grid {
        grid-template-columns: 1fr;
    }

    .intro-text h1,
    .inner-hero h1 {
        font-size: 28px;
    }

    .feature-card,
    .zone-card,
    .image-card,
    .info-card {
        padding: 18px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}