:root {
    --primary: #a955f6;
    --secondary: #eb489a;
    --ink: #151221;
    --muted: #686173;
    --line: rgba(21, 18, 33, 0.1);
    --soft: #fbf8ff;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --shadow: 0 24px 70px rgba(83, 38, 123, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.65;
}

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

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

.mu-container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.mu-site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(255, 255, 255, 0.44);
    background: rgba(255, 255, 255, 0.84);
    backdrop-filter: blur(18px);
}

.mu-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 28px;
}

.mu-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 0;
}

.mu-brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gradient);
    display: grid;
    place-items: center;
    color: #fff;
    box-shadow: 0 14px 30px rgba(169, 85, 246, 0.28);
    overflow: hidden;
    flex: 0 0 auto;
}

.mu-brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mu-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    color: #4f485b;
    font-size: 15px;
    white-space: nowrap;
}

.mu-nav-links a {
    transition: color 0.2s ease;
}

.mu-nav-links a:hover {
    color: var(--primary);
}

.mu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}

.mu-btn i {
    font-size: 18px;
    line-height: 1;
}

.mu-btn:hover {
    transform: translateY(-2px);
}

.mu-btn-primary {
    color: #fff;
    background: var(--gradient);
    box-shadow: 0 16px 34px rgba(235, 72, 154, 0.24);
}

.mu-btn-ghost {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(169, 85, 246, 0.22);
}

.mu-stage {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 72px);
    display: grid;
    align-items: center;
    padding: 70px 0 92px;
    background:
        radial-gradient(circle at 22% 12%, rgba(169, 85, 246, 0.16), transparent 32%),
        radial-gradient(circle at 80% 20%, rgba(235, 72, 154, 0.13), transparent 35%),
        linear-gradient(180deg, #fff 0%, #fbf8ff 100%);
}

.mu-stage-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
    align-items: center;
    gap: 54px;
}

.mu-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 8px 14px;
    border: 1px solid rgba(169, 85, 246, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: #7d30d7;
    font-size: 14px;
    font-weight: 700;
}

.mu-stage h1 {
    margin: 0;
    font-size: clamp(46px, 6vw, 78px);
    line-height: 1.04;
    letter-spacing: 0;
}

.mu-gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.mu-stage-copy {
    margin: 24px 0 0;
    max-width: 610px;
    color: var(--muted);
    font-size: 19px;
}

.mu-stage-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.mu-stage-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 48px;
    max-width: 620px;
}

.mu-metric {
    padding-top: 16px;
    border-top: 1px solid rgba(21, 18, 33, 0.13);
}

.mu-metric strong {
    display: block;
    font-size: 26px;
    line-height: 1.1;
}

.mu-metric span {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.mu-stage-visual {
    position: relative;
    min-height: 580px;
}

.mu-phone {
    position: absolute;
    width: min(310px, 46vw);
    padding: 12px;
    border-radius: 34px;
    background: #151221;
    box-shadow: var(--shadow);
}

.mu-phone img {
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: cover;
    border-radius: 24px;
}

.mu-phone-main {
    right: 4%;
    top: 0;
    transform: rotate(5deg);
}

.mu-phone-back {
    left: 4%;
    bottom: 4%;
    transform: rotate(-8deg);
    opacity: 0.96;
}

.mu-floating-panel {
    position: absolute;
    left: 42%;
    bottom: 11%;
    width: min(260px, 45vw);
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.74);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(18px);
    box-shadow: 0 20px 50px rgba(21, 18, 33, 0.12);
}

.mu-floating-panel strong {
    display: block;
    font-size: 17px;
}

.mu-floating-panel span {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.mu-section {
    padding: 96px 0;
}

.mu-section-soft {
    background: var(--soft);
}

.mu-section-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 42px;
    text-align: center;
}

.mu-section-head > div {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mu-section-title {
    position: relative;
    z-index: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    max-width: 720px;
    padding: 0 28px 18px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.16;
    letter-spacing: 0;
    text-align: center;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}


.mu-section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 70px;
    height: 4px;
    border-radius: 999px;
    background: var(--gradient);
    transform: translateX(-50%);
    box-shadow: 0 8px 18px rgba(235, 72, 154, 0.24);
}

.mu-section-desc {
    margin: 0;
    color: var(--muted);
    font-size: 16px;
    text-align: center;
}

.mu-intro-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: center;
}

.mu-intro-board {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.mu-intro-tile,
.mu-feature-card,
.mu-review-card,
.mu-faq-item {
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 14px 42px rgba(21, 18, 33, 0.06);
}

.mu-intro-tile {
    min-height: 170px;
    padding: 24px;
    border-radius: 22px;
}

.mu-intro-tile strong {
    display: block;
    margin-bottom: 10px;
    font-size: 20px;
}

.mu-intro-tile p {
    margin: 0;
    color: var(--muted);
}

.mu-showcase-strip {
    display: flex;
    gap: 20px;
}

.mu-showcase-item {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    overflow: hidden;
    border-radius: 4px;
    background: #eee8f7;
}

.mu-showcase-item img {
    width: 100%;
    border: 1px solid #eee;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.mu-showcase-item:hover img {
    transform: scale(1.045);
}

.mu-showcase-caption {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 12px 14px;
    border-radius: 16px;
    color: #fff;
    font-weight: 800;
    background: rgba(21, 18, 33, 0.62);
    backdrop-filter: blur(12px);
}

.mu-features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.mu-feature-card {
    min-height: 238px;
    padding: 28px;
    border-radius: 24px;
}

.mu-feature-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 16px;
    color: #fff;
    background: var(--gradient);
    font-size: 24px;
    font-weight: 900;
}

.mu-feature-card h3,
.mu-review-card h3 {
    margin: 0 0 10px;
    font-size: 21px;
    line-height: 1.28;
}

.mu-feature-card p,
.mu-review-card p {
    margin: 0;
    color: var(--muted);
}

.mu-reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.mu-review-card {
    padding: 26px;
    border-radius: 24px;
}

.mu-stars {
    margin-bottom: 16px;
    color: #f4a11f;
    letter-spacing: 2px;
}

.mu-reviewer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.mu-reviewer strong {
    display: block;
    line-height: 1.25;
}

.mu-reviewer span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    white-space: nowrap;
}

.mu-faq-list {
    display: grid;
    gap: 14px;
    max-width: 880px;
    margin: 0 auto;
}

.mu-faq-item {
    border-radius: 20px;
    overflow: hidden;
}

.mu-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 24px;
    border: 0;
    color: var(--ink);
    background: #fff;
    font: inherit;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
}

.mu-faq-question span:last-child {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--gradient);
    flex: 0 0 auto;
    transition: transform 0.2s ease;
}

.mu-faq-answer {
    display: none;
    padding: 0 24px 24px;
    color: var(--muted);
}

.mu-faq-item.mu-is-open .mu-faq-answer {
    display: block;
}

.mu-faq-item.mu-is-open .mu-faq-question span:last-child {
    transform: rotate(45deg);
}

.mu-cta {
    padding: 70px 0;
    color: #fff;
    background: var(--gradient);
}

.mu-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.mu-cta h2 {
    margin: 0;
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.16;
}

.mu-cta p {
    margin: 12px 0 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 17px;
}

.mu-cta .mu-btn {
    color: #9a2fd9;
    background: #fff;
    box-shadow: 0 18px 40px rgba(21, 18, 33, 0.18);
}

.mu-site-footer {
    padding: 34px 0;
    color: #7a7384;
    background: #151221;
}

.mu-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 14px;
}

@media (max-width: 980px) {
    .mu-nav-links {
        display: none;
    }

    .mu-stage {
        min-height: auto;
    }

    .mu-stage-layout,
    .mu-intro-layout {
        grid-template-columns: 1fr;
    }

    .mu-stage-visual {
        min-height: 520px;
    }

    .mu-cta-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .mu-features-grid,
    .mu-reviews-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .mu-container {
        width: min(100% - 40px, 1180px);
    }

    .mu-nav {
        min-height: 64px;
    }

    .mu-brand {
        font-size: 19px;
    }

    .mu-brand-mark {
        width: 38px;
        height: 38px;
    }

    .mu-nav .mu-btn {
        min-height: 40px;
        padding: 0 16px;
        font-size: 14px;
    }

    .mu-stage {
        padding: 100px 0;
    }

    .mu-stage-copy {
        font-size: 17px;
    }

    .mu-stage-actions .mu-btn {
        width: 100%;
    }

    .mu-stage-metrics,
    .mu-stage-visual {
        display: none;
    }

    .mu-stage-metrics,
    .mu-intro-board,
    .mu-features-grid,
    .mu-reviews-grid {
        grid-template-columns: 1fr;
    }

    .mu-stage-visual {
        min-height: 430px;
    }

    .mu-phone {
        width: 58vw;
        border-radius: 28px;
    }

    .mu-phone img {
        border-radius: 19px;
    }

    .mu-phone-main {
        right: 0;
    }

    .mu-phone-back {
        left: 0;
        bottom: 0;
    }

    .mu-floating-panel {
        left: 24%;
        bottom: 4%;
        width: 230px;
    }

    .mu-section {
        padding: 70px 0;
    }

    .mu-showcase-item img {
        height: 520px;
    }

    .mu-showcase-strip {
        display: flex;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 14px;
        padding: 2px 0 18px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .mu-showcase-strip::-webkit-scrollbar {
        height: 0;
    }

    .mu-showcase-item {
        flex: 0 0 min(78vw, 300px);
        scroll-snap-align: start;
    }

    .mu-footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .mu-report-floating {
        right: 14px;
        bottom: 14px;
        min-height: 42px;
        padding: 0 14px;
        font-size: 13px;
    }
}







/*投诉按钮，严禁改动！！！*/
.mu-report-floating {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 100;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid rgba(169, 85, 246, 0.18);
    border-radius: 999px;
    color: #fff;
    background: var(--gradient);
    box-shadow: 0 16px 34px rgba(21, 18, 33, 0.16);
    font-size: 14px;
    font-weight: 800;
    line-height: 1;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mu-report-floating:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 42px rgba(21, 18, 33, 0.2);
}

.mu-report-floating i {
    font-size: 18px;
    line-height: 1;
}