:root {
    color-scheme: light;
    --bg: #f4f6fb;
    --ink: #1a2231;
    --muted: #5d6678;
    --panel: #ffffff;
    --line: #d8e2f0;
    --accent: #0f8a5f;
    --accent-soft: #dbf1e8;
    --shadow: rgba(20, 31, 52, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(35, 128, 233, 0.11), transparent 35%),
        radial-gradient(circle at 85% 8%, rgba(15, 138, 95, 0.14), transparent 33%),
        linear-gradient(160deg, #edf2fa 0%, #f7faf5 65%, #fcfcfd 100%);
    color: var(--ink);
    font-family: "Avenir Next", "Segoe UI", sans-serif;
}

.page {
    max-width: 1140px;
    margin: 0 auto;
    padding: 2rem 1rem 2.8rem;
}

.hero {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.2rem 1.5rem;
    margin-bottom: 1.1rem;
    box-shadow: 0 12px 30px rgba(32, 51, 84, 0.08);
}

.hero h1 {
    margin: 0 0 0.35rem;
}

.hero p {
    margin: 0;
    color: var(--muted);
}

.carousel-shell {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid #d5e0ef;
    border-radius: 20px;
    padding: 1rem;
    backdrop-filter: blur(6px);
    box-shadow: 0 16px 38px rgba(30, 53, 93, 0.11);
}

.main-swiper {
    border-radius: 14px;
    background: var(--panel);
    border: 1px solid #d7e3f1;
    overflow: clip;
    box-shadow: 0 14px 28px var(--shadow);
    position: relative;
}

.main-slide {
    margin: 0;
}

.main-slide img {
    width: 100%;
    /* height: min(62vw, 560px); */
    object-fit: cover;
    display: block;
}

.main-prev,
.main-next {
    border: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    color: #173055;
    font-size: 1.45rem;
    line-height: 1;
    position: absolute;
    top: 48%;
    transform: translateY(-50%);
    z-index: 5;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(20, 40, 73, 0.2);
}

.main-prev:hover,
.main-next:hover {
    background: #ffffff;
}

.main-prev {
    left: 0.8rem;
}

.main-next {
    right: 0.8rem;
}

.main-pagination {
    position: absolute;
    z-index: 5;
    right: 0.9rem;
    bottom: 0.9rem;
}

.main-pagination .swiper-pagination-bullet {
    background: #d5e3f8;
    opacity: 1;
}

.main-pagination .swiper-pagination-bullet-active {
    background: var(--accent);
}

.thumbs-swiper {
    margin-top: 0.9rem;
}

.thumb-slide {
    border: 1px solid #d5e0ef;
    border-radius: 10px;
    background: #ffffff;
    padding: 0;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(16, 31, 55, 0.08);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.thumb-slide img {
    width: 100%;
    /* height: 100px; */
    object-fit: cover;
    display: block;
}

.thumb-slide:hover {
    transform: translateY(-2px);
    border-color: #8fb3df;
}

.thumbs-swiper .swiper-slide-thumb-active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.empty {
    background: #ffffff;
    border-radius: 10px;
    padding: 1.1rem;
    border: 1px dashed var(--line);
}

@media (max-width: 900px) {
    .main-slide img {
        /* height: min(66vw, 420px); */
    }
}

@media (max-width: 640px) {
    .page {
        padding: 1.2rem 0.65rem 2rem;
    }

    .hero {
        border-radius: 13px;
        padding: 1rem;
    }

    .carousel-shell {
        border-radius: 14px;
        padding: 0.62rem;
    }

    .main-slide img {
        /* height: 54vw; */
        min-height: 200px;
    }

    .main-prev,
    .main-next {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
        top: 44%;
    }

    .main-prev {
        left: 0.45rem;
    }

    .main-next {
        right: 0.45rem;
    }

    .thumb-slide img {
        /* height: 82px; */
    }
}