:root {
    --bg: #f9f6f1;
    --bg-soft: #ffffff;
    --card: #ffffff;
    --accent: #d97759;
    --accent-strong: #f2b66c;
    --text: #1e1b20;
    --muted: #6c6774;
    --line: rgba(30, 27, 32, 0.08);
    --shadow: 0 24px 40px rgba(45, 34, 25, 0.12);
    --radius: 22px;
    --max-width: 1080px;
    font-size: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top, rgba(217, 119, 89, 0.22), transparent 55%),
        radial-gradient(circle at 20% 0%, rgba(242, 182, 108, 0.28), transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(255, 225, 190, 0.4), transparent 45%),
        linear-gradient(180deg, #fff7ef 0%, #f7f2e8 55%, #f0e7db 100%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

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

.page {
    width: 100%;
    overflow: hidden;
}

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

.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 20px 0;
    display: grid;
    gap: 24px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 28px;
    padding: 26px;
    border: 1px solid rgba(217, 119, 89, 0.18);
    box-shadow: var(--shadow);
    display: grid;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand img {
    width: 70px;
    height: 70px;
    border-radius: 14px;
    padding: 6px;
    background: #ffffff;
    border: 1px solid rgba(217, 119, 89, 0.3);
    box-shadow: 0 12px 24px rgba(217, 119, 89, 0.2);
}

.brand-title {
    font-size: 1.35rem;
    font-weight: 700;
}

.brand-sub {
    font-size: 0.85rem;
    color: var(--muted);
}

.hero-copy h1 {
    font-size: clamp(2rem, 6vw, 2.9rem);
    line-height: 1.15;
    margin: 12px 0;
}

.hero-copy p {
    color: var(--muted);
}

.hero-pill {
    display: inline-flex;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(217, 119, 89, 0.15);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
}

.btn-primary {
    display: block;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    min-width: 230px;
    border-radius: 999px;
    font-weight: 700;
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    color: #ffffff;
    box-shadow: 0 14px 30px rgba(217, 119, 89, 0.25);
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: center;
    margin: 12px auto 0;
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 14px 30px rgba(217, 119, 89, 0.25);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 18px 34px rgba(217, 119, 89, 0.35);
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.hero-stats div {
    background: #ffffff;
    border-radius: 16px;
    padding: 12px;
    border: 1px solid var(--line);
    text-align: center;
}

.hero-stats strong {
    font-size: 1.05rem;
}

.hero-stats span {
    color: var(--muted);
    font-size: 0.82rem;
}

.preview-stack {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 26px;
    padding: 16px;
    border: 1px solid rgba(217, 119, 89, 0.12);
    box-shadow: var(--shadow);
    display: grid;
    gap: 12px;
    justify-items: center;
}

.preview-carousel {
    position: relative;
    width: min(260px, 80vw);
    aspect-ratio: 9 / 16;
    border-radius: 16px;
    overflow: hidden;
}

.preview-carousel img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.preview-carousel img.active {
    opacity: 1;
}

.genre-strip {
    margin: 30px 0 0;
    padding: 0 20px;
}

.genre-track {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
}

.genre-track span {
    flex: 0 0 auto;
    padding: 8px 16px;
    background: #ffffff;
    border-radius: 999px;
    border: 1px solid var(--line);
    font-size: 0.85rem;
    color: var(--muted);
    scroll-snap-align: start;
}

.mode,
.faq {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 20px 0;
}

.section-title {
    text-align: left;
    margin-bottom: 20px;
}

.section-title p {
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.section-title h2 {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    margin-top: 10px;
}

.mode-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.mode-button {
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--muted);
    font-weight: 600;
}

.mode-button.active {
    background: linear-gradient(120deg, rgba(217, 119, 89, 0.18), rgba(242, 182, 108, 0.3));
    color: var(--text);
    border-color: rgba(217, 119, 89, 0.3);
}

.mode-panels {
    display: grid;
    gap: 12px;
}

.mode-panel {
    background: #ffffff;
    border-radius: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    display: none;
}

.mode-panel.active {
    display: block;
}


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

.faq-item {
    background: var(--bg-soft);
    border-radius: 18px;
    border: 1px solid var(--line);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text);
    padding: 16px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 18px;
    color: var(--muted);
}

.faq-item.active .faq-answer {
    max-height: 120px;
    padding-bottom: 16px;
}

.footer {
    max-width: var(--max-width);
    margin: 40px auto 0;
    padding: 32px 20px 50px;
    border-top: 1px solid var(--line);
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin: 12px 0;
    color: var(--muted);
}

.footer-copy {
    color: var(--muted);
    font-size: 0.85rem;
}

.seo-content {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (max-width: 640px) {
    :root {
        font-size: 15px;
    }

    .hero-card,
    .preview-stack {
        padding: 20px;
    }

    .mode-tabs {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}