/* 美盛演示站 — 全站七彩渐变 UI（Hero 静态图不参与渐变） */

:root {
    --ms-c1: #2673d5;
    --ms-c2: #5b61df;
    --ms-c3: #8338ec;
    --ms-c4: #f274b9;
    --ms-c5: #fe5f74;
    --ms-c6: #ffbe0b;
    --ms-c7: #06d6a0;
    --ms-rainbow-size: 400% 400%;
    --ms-rainbow-7: linear-gradient(
        -170deg,
        var(--ms-c1) 0%,
        var(--ms-c2) 14%,
        var(--ms-c3) 28%,
        var(--ms-c4) 42%,
        var(--ms-c5) 57%,
        var(--ms-c6) 71%,
        var(--ms-c7) 85%,
        var(--ms-c1) 100%
    );
    /* 品牌词：色序偏移，与欢迎语/标语区分 */
    --ms-rainbow-7-brand: linear-gradient(
        -170deg,
        var(--ms-c3) 0%,
        var(--ms-c4) 14%,
        var(--ms-c5) 28%,
        var(--ms-c6) 42%,
        var(--ms-c7) 57%,
        var(--ms-c1) 71%,
        var(--ms-c2) 85%,
        var(--ms-c3) 100%
    );
    --ms-glass: rgba(253, 251, 250, 0.92);
    --ms-glass-strong: #fdfbfa;
    --ms-page-bg: #fdfbfa;
    --ms-header-bg: #fdfbfa;
    --ms-hero-bg: #fff5f8;
    --ms-hero-fade: #fdfbfa;
    --ms-hero-img: url("../image/home.jpg");
}

@keyframes ms-rainbow-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes ms-rainbow-flow-reverse {
    0% { background-position: 100% 50%; }
    50% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

/* 七彩色流动背景（装饰条 / 按钮底） */
body.ms-rainbow::before,
body.ms-rainbow .header-area.sticky::after,
body.ms-rainbow .header-area.sticky-down::after,
body.ms-rainbow .header-area.sticky-up::after,
body.ms-rainbow .section-capture .section-title span.subtitle::before,
body.ms-rainbow .demo-pass .demo-pass-area::before,
body.ms-rainbow .demo-pass .demo-pass-area .content-area .padd-text .clipboard button,
body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li .item-area .item-block .demo-btn form .input-group span.input-group__btn button.store-button,
body.ms-rainbow .land-copyright::before,
body.ms-rainbow a.scroll-top {
    background-image: var(--ms-rainbow-7);
    background-size: var(--ms-rainbow-size);
}

/* 七彩色渐变文字（须用 background-image，避免 background 简写重置 clip） */
body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav li.menu-link:hover a,
body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav li.menu-link.active a,
body.ms-rainbow .header-area .nav-contact-link:hover .nav-contact-link__label,
body.ms-rainbow .header-area .nav-contact-link:focus-visible .nav-contact-link__label,
body.ms-rainbow .header-area .nav-contact-link:active .nav-contact-link__label,
body.ms-rainbow .section-capture .section-title h2 span:first-child,
body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li:hover .item-area .demo-name span,
body.ms-rainbow .landing-bgimg .landing-content h1.land-main .hero-welcome,
body.ms-rainbow .landing-bgimg .landing-content h1.land-main .hero-tagline,
body.ms-rainbow .landing-bgimg .landing-content h2.land-main .hero-welcome,
body.ms-rainbow .landing-bgimg .landing-content h2.land-main .hero-tagline,
body.ms-rainbow .landing-bgimg .landing-content p.hero-desc {
    background-image: var(--ms-rainbow-7);
    background-size: var(--ms-rainbow-size);
    background-repeat: no-repeat;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ── 全页七彩底（Hero 区用白底遮挡，不参与） ── */
body.ms-rainbow {
    position: relative;
    isolation: isolate;
    background-color: var(--ms-page-bg);
}

body.ms-rainbow::before {
    content: "";
    position: fixed;
    inset: -35%;
    z-index: -2;
    animation: ms-rainbow-flow 22s ease infinite;
}

body.ms-rainbow::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 70% 42% at 8% 20%, rgba(91, 97, 223, 0.1), transparent 58%),
        radial-gradient(ellipse 60% 38% at 92% 35%, rgba(242, 116, 185, 0.09), transparent 55%),
        radial-gradient(ellipse 75% 45% at 50% 95%, rgba(38, 115, 213, 0.08), transparent 58%),
        rgba(255, 255, 255, 0.8);
}

/* Hero：纯静态图，完全隔离七彩层 */
body.ms-rainbow .landing-bgimg {
    position: relative;
    z-index: 1;
    isolation: isolate;
    overflow: hidden;
    background-color: #ffffff;
}

/* Hero：背景图按原样全宽展示，文字绝对定位叠在图上 */
body.ms-rainbow .landing-bgimg > img {
    display: block;
    width: 100%;
    height: auto;
    position: relative;
    z-index: 0;
    object-fit: unset;
    object-position: center center;
}

body.ms-rainbow .landing-bgimg .landing-content {
    z-index: 1;
}

/* Hero 标题：去除旧版下划线，品牌词独立色序 */
body.ms-rainbow .landing-bgimg .landing-content h1.land-main span::before,
body.ms-rainbow .landing-bgimg .landing-content h2.land-main span::before {
    content: none;
    display: none;
}

body.ms-rainbow .landing-bgimg .landing-content h1.land-main .hero-welcome,
body.ms-rainbow .landing-bgimg .landing-content h1.land-main .hero-tagline,
body.ms-rainbow .landing-bgimg .landing-content h2.land-main .hero-welcome,
body.ms-rainbow .landing-bgimg .landing-content h2.land-main .hero-tagline {
    animation: ms-rainbow-flow 14s ease infinite;
}

body.ms-rainbow .landing-bgimg .landing-content h1.land-main span.hero-brand,
body.ms-rainbow .landing-bgimg .landing-content h2.land-main span.hero-brand {
    background-image: var(--ms-rainbow-7-brand);
    background-size: var(--ms-rainbow-size);
    background-position: 35% 50%;
    background-repeat: no-repeat;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: ms-rainbow-flow-reverse 11s ease-in-out infinite;
    animation-delay: -3.5s;
}

body.ms-rainbow .landing-bgimg .landing-content p {
    animation: ms-rainbow-flow 18s ease infinite;
    font-weight: 600;
}

/* ── 导航栏：首页透明叠 Hero 图；滚动后实色 #fdfbfa 与全站底一致 ── */
body.ms-rainbow .header-area {
    background-color: transparent;
    box-shadow: none;
}

body.ms-rainbow .header-area.sticky,
body.ms-rainbow .header-area.sticky-down,
body.ms-rainbow .header-area.sticky-up {
    background-color: var(--ms-header-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 rgba(91, 97, 223, 0.08);
}

body.ms-rainbow .header-area.sticky::after,
body.ms-rainbow .header-area.sticky-down::after,
body.ms-rainbow .header-area.sticky-up::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    animation: ms-rainbow-flow 10s ease infinite;
    opacity: 0.85;
}

body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav li.menu-link:hover a,
body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav li.menu-link.active a,
body.ms-rainbow .header-area .nav-contact-link:hover .nav-contact-link__label,
body.ms-rainbow .header-area .nav-contact-link:focus-visible .nav-contact-link__label,
body.ms-rainbow .header-area .nav-contact-link:active .nav-contact-link__label {
    animation: ms-rainbow-flow 8s ease infinite;
}

@media (max-width: 1199px) {
    body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse {
        background-color: var(--ms-header-bg);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-top: 1px solid rgba(91, 97, 223, 0.08);
    }
    body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav-contact--drawer {
        border-top-color: rgba(91, 97, 223, 0.1);
    }
}

body.ms-rainbow .header-area .xh-lang-trigger,
body.ms-rainbow .header-area.sticky .xh-lang-trigger {
    background: var(--ms-glass);
    border-color: rgba(91, 97, 223, 0.18);
}

body.ms-rainbow .header-area .xh-lang-trigger:hover,
body.ms-rainbow .header-area.sticky .xh-lang-trigger:hover {
    background: var(--ms-page-bg);
}

body.ms-rainbow .header-area .nav-contact-link {
    background: var(--ms-glass);
}

body.ms-rainbow .header-area .nav-contact-link:hover,
body.ms-rainbow .header-area .nav-contact-link:focus-visible,
body.ms-rainbow .header-area .nav-contact-link:active {
    background: var(--ms-page-bg);
}

/* 子页无 Hero：顶栏透明叠在 Hero 图带；关闭七彩流动，改用首页暖粉白底 */
body.ms-rainbow:not(:has(.landing-bgimg)) {
    background-color: var(--ms-hero-bg);
}

body.ms-rainbow:not(:has(.landing-bgimg))::before {
    content: none;
    display: none;
    animation: none;
}

body.ms-rainbow:not(:has(.landing-bgimg))::after {
    background:
        radial-gradient(ellipse 100% 55% at 50% 0%, rgba(255, 225, 235, 0.65), transparent 70%),
        radial-gradient(ellipse 55% 40% at 12% 22%, rgba(255, 250, 252, 0.95), transparent 68%),
        radial-gradient(ellipse 55% 38% at 88% 18%, rgba(252, 232, 242, 0.55), transparent 65%),
        linear-gradient(180deg, var(--ms-hero-bg) 0%, var(--ms-hero-fade) 32%, var(--ms-hero-fade) 100%);
}

body.ms-rainbow:not(:has(.landing-bgimg)) .header-area {
    background-color: transparent;
    box-shadow: none;
}

body.ms-rainbow:not(:has(.landing-bgimg)) .land-copyright {
    background-color: var(--ms-page-bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* ── 区块标题 ── */
body.ms-rainbow .section-capture .section-title span.subtitle::before {
    animation: ms-rainbow-flow 10s ease infinite;
    opacity: 0.55;
}

body.ms-rainbow .section-capture .section-title h2 span:first-child {
    animation: ms-rainbow-flow 12s ease infinite;
}

/* ── 演示账号区 ── */
body.ms-rainbow .demo-pass .demo-pass-area {
    position: relative;
    background-color: var(--ms-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(91, 97, 223, 0.1);
    overflow: hidden;
}

body.ms-rainbow .demo-pass .demo-pass-area::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    animation: ms-rainbow-flow 8s ease infinite;
}

body.ms-rainbow .demo-pass .demo-pass-area .content-area .padd-text .clipboard button {
    animation: ms-rainbow-flow 10s ease infinite;
}

body.ms-rainbow .demo-pass .demo-pass-area .content-area .padd-text .clipboard button:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

body.ms-rainbow .demo-pass .demo-pass-area .content-area .padd-text .clipboard input:focus {
    outline: 2px solid var(--ms-c2);
    box-shadow: 0 0 0 3px rgba(91, 97, 223, 0.15);
}

/* ── 演示站卡片：玻璃边框叠在 layout-url，与缩略图同尺寸 ── */
body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li .item-area .item-block {
    background: transparent;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li .item-area .item-block a.layout-url {
    background-color: var(--ms-glass);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(91, 97, 223, 0.08);
    box-shadow: 0 4px 20px rgba(91, 97, 223, 0.06);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li:hover .item-area .item-block a.layout-url {
    border-color: transparent;
    box-shadow:
        0 12px 28px rgba(91, 97, 223, 0.14),
        0 0 0 2px rgba(242, 116, 185, 0.25);
}

body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li:hover .item-area .item-block {
    transform: translateY(-3px);
}

body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li:hover .item-area .demo-name span {
    animation: ms-rainbow-flow 8s ease infinite;
}

body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li .item-area .item-block .demo-btn form .input-group span.input-group__btn button.store-button {
    animation: ms-rainbow-flow 10s ease infinite;
    border: none;
    color: #fff;
}

body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li .item-area .item-block .demo-btn form .input-group span.input-group__btn button.store-button:hover {
    filter: brightness(1.08);
}

/* ── 注意事项全图区：保留原静态图，不参与七彩 ── */
body.ms-rainbow .demo-full-image {
    position: relative;
    z-index: 2;
    isolation: isolate;
}

body.ms-rainbow .demo-full-image .demo-content-area {
    background-color: var(--ms-glass-strong);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

/* ── 特色功能 ── */
body.ms-rainbow .demo-feature-area .feature-block ul.feature-ul li.feature-li .feature-main {
    background-color: var(--ms-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 20px rgba(91, 97, 223, 0.06);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

body.ms-rainbow .demo-feature-area .feature-block ul.feature-ul li.feature-li:hover .feature-main {
    box-shadow: 0 10px 32px rgba(91, 97, 223, 0.12);
    transform: translateY(-2px);
}

body.ms-rainbow .demo-feature-area .section-capture .section-title span.subtitle {
    color: #26233b;
}

/* ── 页脚 & 返回顶部 ── */
body.ms-rainbow .land-copyright {
    position: relative;
    background-color: var(--ms-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: none;
}

body.ms-rainbow .land-copyright::before {
    content: "";
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    animation: ms-rainbow-flow 12s ease infinite;
    opacity: 0.7;
}

body.ms-rainbow a.scroll-top {
    animation: ms-rainbow-flow 6s ease infinite;
}

body.ms-rainbow a.scroll-top:hover {
    filter: brightness(1.1);
}

body.ms-rainbow .preloader {
    background: rgba(253, 251, 250, 0.97);
}

/* ── 主内容区层级 ── */
body.ms-rainbow main {
    position: relative;
    z-index: 1;
}

@media (max-width: 600px) {
    body.ms-rainbow .landing-bgimg > img {
        height: 400px;
        object-fit: cover;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.ms-rainbow::before,
    body.ms-rainbow .header-area.sticky::after,
    body.ms-rainbow .header-area.sticky-down::after,
    body.ms-rainbow .header-area.sticky-up::after,
    body.ms-rainbow .section-capture .section-title span.subtitle::before,
    body.ms-rainbow .section-capture .section-title h2 span:first-child,
    body.ms-rainbow .demo-pass .demo-pass-area::before,
    body.ms-rainbow .demo-pass .demo-pass-area .content-area .padd-text .clipboard button,
    body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li:hover .item-area .demo-name span,
    body.ms-rainbow .demo-store-area .demo-store-item ul.store-ul li.store-li .item-area .item-block .demo-btn form .input-group span.input-group__btn button.store-button,
    body.ms-rainbow .land-copyright::before,
    body.ms-rainbow a.scroll-top,
    body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav li.menu-link:hover a,
    body.ms-rainbow .header-area .nav-wrap nav .navbar-collapse ul.nav li.menu-link.active a,
    body.ms-rainbow .header-area .nav-contact-link:hover .nav-contact-link__label,
    body.ms-rainbow .header-area .nav-contact-link:focus-visible .nav-contact-link__label,
    body.ms-rainbow .header-area .nav-contact-link:active .nav-contact-link__label,
    body.ms-rainbow .landing-bgimg .landing-content h1.land-main span,
    body.ms-rainbow .landing-bgimg .landing-content h2.land-main span,
    body.ms-rainbow .landing-bgimg .landing-content p.hero-desc {
        animation: none;
    }

    body.ms-rainbow::before {
        background-size: cover;
        inset: 0;
    }
}