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

:root {
    --color-primary: #ff6b9d;
    --color-secondary: #c44569;
    --color-accent: #ffa07a;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-bg: #fff;
    --color-bg-alt: #fef5f7;
    --spacing: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

.rvnktmw {
    background: var(--color-bg);
    box-shadow: 0 2px 15px rgba(255,107,157,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.rvnktmw.pmvktnr {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
}

.qmvktnr {
    padding: calc(var(--spacing) * 2.5) 0;
}

.wmvktnr {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 3);
}

.qmvktnr .wmvktnr {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tvnkrmw {
    text-decoration: none;
    color: var(--color-primary);
    font-size: 1.6rem;
    font-weight: 700;
    transition: var(--transition);
}

.tvnkrmw:hover {
    color: var(--color-secondary);
}

.tvnkrmw h1 {
    font-size: 0;
    line-height: 0;
    text-indent: -9999px;
    position: absolute;
}

.tvnkrmw::before {
    content: "糖心vlog";
    font-size: 1.6rem;
    line-height: 1.2;
    text-indent: 0;
    position: relative;
}

.pnvkrtm {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing) * 5);
}

.pnvkrtm a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
}

.pnvkrtm a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.pnvkrtm a:hover {
    color: var(--color-primary);
}

.pnvkrtm a:hover::after {
    width: 100%;
}

.xvnktmr {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: calc(var(--spacing));
}

.xvnktmr span {
    width: 28px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.qvnrtmk {
    height: 550px;
    background: linear-gradient(135deg, rgba(255,107,157,0.9), rgba(255,160,122,0.85)), url('/images/mbh202501.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.qvnrtmk::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 40%, rgba(255,160,122,0.3), transparent 60%);
    animation: wmvkrtn 20s ease-in-out infinite;
}

@keyframes wmvkrtn {
    0%, 100% { transform: scale(1) translate(0, 0); opacity: 1; }
    50% { transform: scale(1.15) translate(15px, 15px); opacity: 0.8; }
}

.nvmkrtw {
    text-align: center;
    color: white;
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.wvnktrm {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 3);
    animation: tvnkmrw 1s ease-out;
    line-height: 1.3;
}

@keyframes tvnkmrw {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tvnkmrw {
    font-size: 1.4rem;
    margin-bottom: calc(var(--spacing) * 4);
    animation: tvnkmrw 1s ease-out 0.2s both;
    line-height: 1.6;
    opacity: 0.95;
}

.rmvktnw {
    display: inline-block;
    padding: calc(var(--spacing) * 2.5) calc(var(--spacing) * 6);
    background: white;
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    animation: tvnkmrw 1s ease-out 0.4s both;
    box-shadow: 0 5px 20px rgba(255,107,157,0.3);
}

.rmvktnw:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(255,107,157,0.4);
}

.pvnkrtm, .wmvkrtn, .qvmkrtn {
    padding: calc(var(--spacing) * 12) 0;
}

.wmvkrtn {
    background: var(--color-bg-alt);
}

.wnvkrtm {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.15rem;
    margin-bottom: calc(var(--spacing) * 7);
    line-height: 1.6;
}

.xvmktnr {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.qvmkrtn {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.qvmkrtn:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 35px rgba(255,107,157,0.2);
}

.qvmkrtn a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.qvmkrtn .tvnkrmw {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.qvmkrtn .tvnkrmw img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.qvmkrtn:hover .tvnkrmw img {
    transform: scale(1.08);
}

.zmvkrtn {
    position: absolute;
    top: calc(var(--spacing) * 2);
    right: calc(var(--spacing) * 2);
    z-index: 1;
}

.rvnktmw {
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 3);
    background: rgba(255,107,157,0.95);
    color: white;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.qvmkrtn .nvmkrtw {
    padding: calc(var(--spacing) * 4);
    text-align: left;
}

.qvmkrtn .nvmkrtw h3 {
    font-size: 1.4rem;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--color-text);
    line-height: 1.3;
}

.qvmkrtn .nvmkrtw p {
    color: var(--color-text-light);
    margin-bottom: calc(var(--spacing) * 2);
    line-height: 1.7;
}

.qvmkrtn .nvmkrtw time {
    font-size: 0.9rem;
    color: var(--color-text-light);
    opacity: 0.8;
}

.pmvktnr {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing) * 5);
}

.wmvkrtn .tvnkrmw {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.wmvkrtn .tvnkrmw:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(255,107,157,0.15);
}

.xvnkrtm {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.xvnkrtm img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.wmvkrtn .tvnkrmw:hover .xvnkrtm img {
    transform: scale(1.08);
}

.wmvkrtn .tvnkrmw .nvmkrtw {
    padding: calc(var(--spacing) * 4);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.wmvkrtn .tvnkrmw .nvmkrtw .rvnktmw {
    margin-bottom: calc(var(--spacing) * 2);
    align-self: flex-start;
}

.wmvkrtn .tvnkrmw .nvmkrtw h3 {
    font-size: 1.3rem;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--color-text);
    line-height: 1.3;
}

.wmvkrtn .tvnkrmw .nvmkrtw p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: calc(var(--spacing) * 3);
    flex: 1;
}

.wmvkrtn .tvnkrmw .nvmkrtw time {
    font-size: 0.9rem;
    color: var(--color-text-light);
    opacity: 0.8;
}

.qvmkrtn .xvnkrtm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing) * 5);
}

.qvmkrtn .xvnkrtm .nvmkrtw {
    text-align: center;
    padding: calc(var(--spacing) * 4);
    background: white;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.qvmkrtn .xvnkrtm .nvmkrtw:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(255,107,157,0.15);
}

.qvmkrtn .xvnkrtm .zmvkrtn {
    position: static;
    width: 80px;
    height: 80px;
    margin: 0 auto calc(var(--spacing) * 3);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.qvmkrtn .xvnkrtm .nvmkrtw:hover .zmvkrtn {
    transform: rotateY(360deg);
}

.qvmkrtn .xvnkrtm .zmvkrtn .rvnktmw {
    width: 40px;
    height: 40px;
    color: white;
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.qvmkrtn .xvnkrtm .nvmkrtw h3 {
    font-size: 1.3rem;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--color-text);
    line-height: 1.3;
}

.qvmkrtn .xvnkrtm .nvmkrtw p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.pmvktnr {
    background: var(--color-text);
    color: white;
    padding: calc(var(--spacing) * 10) 0 calc(var(--spacing) * 5);
}

.pmvktnr .xvnkrtm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing) * 6);
    margin-bottom: calc(var(--spacing) * 6);
}

.pmvktnr .nvmkrtw h3 {
    font-size: 1.3rem;
    margin-bottom: calc(var(--spacing) * 3);
    color: white;
    line-height: 1.3;
}

.pmvktnr .nvmkrtw p {
    line-height: 1.7;
    opacity: 0.85;
}

.pmvktnr .wmvkrtn {
    list-style: none;
    padding: 0;
}

.pmvktnr .wmvkrtn li {
    margin-bottom: calc(var(--spacing) * 2);
}

.pmvktnr .wmvkrtn a {
    color: white;
    text-decoration: none;
    opacity: 0.85;
    transition: var(--transition);
}

.pmvktnr .wmvkrtn a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.pmvktnr .tvnkrmw {
    text-align: center;
    padding-top: calc(var(--spacing) * 5);
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
    font-size: 0.95rem;
}

.qvmkrtn {
    position: fixed;
    bottom: calc(var(--spacing) * 5);
    right: calc(var(--spacing) * 5);
    width: 55px;
    height: 55px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(255,107,157,0.4);
}

.qvmkrtn.nvmkrtw {
    opacity: 1;
    visibility: visible;
}

.qvmkrtn:hover {
    background: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255,107,157,0.5);
}

.qvmkrtn svg {
    width: 26px;
    height: 26px;
    color: white;
}

@media (max-width: 768px) {
    .pnvkrtm {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: white;
        flex-direction: column;
        padding: calc(var(--spacing) * 5);
        transition: var(--transition);
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }

    .pnvkrtm.zmvkrtn {
        left: 0;
    }

    .xvnktmr {
        display: flex;
    }

    .xvnktmr.zmvkrtn span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .xvnktmr.zmvkrtn span:nth-child(2) {
        opacity: 0;
    }

    .xvnktmr.zmvkrtn span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .wvnktrm {
        font-size: 2.2rem;
    }

    .tvnkmrw {
        font-size: 1.15rem;
    }

    .qvnrtmk {
        height: 450px;
    }

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

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