/* =========================================
     基础重置与全局设定
     ========================================= */
    html,
    body {
        margin: 0;
    }

    .landing-page,
    .landing-page *,
    .landing-page *::before,
    .landing-page *::after {
        box-sizing: border-box;
    }



    .landing-page {
    font-family: 'Noto Serif SC', serif;
    background-color: #f2efe9;
    color: #3e2723;
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    overflow-x: hidden;
    -webkit-user-select: none;
    user-select: none;
}

/* =========================================
   背景与主容器
   ========================================= */
.bg-texture {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.4;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23a8a29e' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.main-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 42rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeInZoom 0.7s ease-out forwards;
}

@media (min-width: 768px) {
    .main-container { gap: 3rem; }
}

@keyframes fadeInZoom {
    0% { opacity: 0; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

/* =========================================
   头部区域 (Header & Title)
   ========================================= */
.header-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(93, 64, 55, 0.2);
}

@media (min-width: 768px) {
    .header-section {
        flex-direction: row;
        align-items: flex-end;
        gap: 3rem;
    }
}

.title-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .title-area {
        align-items: flex-start;
        text-align: left;
    }
}

.title-zh {
    font-family: "ZCOOL KuaiLe", cursive;
    font-size: 3.75rem;
    color: #2d2d2d;
    letter-spacing: 0.1em;
    transform: rotate(-2deg);
    transform-origin: bottom left;
    text-shadow: 0 1px 2px rgba(0,0,0,0.05);
    margin: 0;
}

@media (min-width: 768px) {
    .title-zh { font-size: 6rem; }
}

.title-en-wrapper {
    position: relative;
    margin-top: 0.5rem;
}

.title-en {
    font-family: "Lilita One", cursive;
    font-size: 3rem;
    color: #2d2d2d;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
}

@media (min-width: 768px) {
    .title-en { font-size: 4.5rem; }
}

.letter-wrapper { position: relative; }

/* 字母背后的黄色几何高光 */
.accent-a {
    position: absolute;
    left: 50%; transform: translateX(-50%);
    bottom: 15%; width: 40%; height: 25%;
    background-color: #ffd700;
    border-radius: 9999px 9999px 0 0;
    z-index: -1;
}

.accent-d {
    position: absolute;
    left: 30%; top: 25%; bottom: 25%; width: 20%;
    background-color: #ffd700;
    border-radius: 9999px 0 0 9999px;
    z-index: -1;
}

.accent-o {
    position: absolute;
    left: 50%; top: 50%; transform: translate(-50%, -50%);
    width: 40%; height: 40%;
    background-color: #ffd700;
    border-radius: 50%;
    z-index: -1;
}

.title-underline {
    position: absolute;
    bottom: -0.5rem; left: 0; right: 0;
    height: 0.5rem;
    background-color: #ffd700;
    border-radius: 9999px;
    opacity: 0.6;
    transform: rotate(-1deg);
}

.frequency-tag {
    margin-top: 1.5rem;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    color: #5d4037;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    background-color: #e6d5b8;
    padding: 0.25rem 0.75rem;
    border-radius: 0.125rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    border: 1px solid rgba(93, 64, 55, 0.1);
    transform: rotate(1deg);
}

/* =========================================
   内容区域 (Cards)
   ========================================= */
.content-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 下期预告卡片 */
.next-episode-card {
    position: relative;
    background-color: #fffdf5;
    padding: 1.5rem;
    transform: rotate(-1deg);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border: 1px solid #e6d5b8;
    max-width: 28rem;
    width: 100%;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .next-episode-card { margin: 0; }
}

.paper-texture-overlay {
    position: absolute; inset: 0;
    opacity: 0.5; pointer-events: none;
    background-color: #f3e6d3;
    background-image:
            linear-gradient(rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0) 50%),
            url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
}

.tape-effect {
    position: absolute;
    top: -0.75rem; left: 50%;
    transform: translateX(-50%) rotate(-2deg);
    width: 6rem; height: 1.5rem;
    background-color: rgba(212, 197, 176, 0.4);
    backdrop-filter: blur(1px);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.card-content { position: relative; z-index: 10; }

.next-title {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px; color: #8b5a2b;
    text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid rgba(139, 90, 43, 0.2);
    padding-bottom: 0.25rem;
}

.quote {
    font-size: 1.125rem; font-style: italic; line-height: 1.625;
    font-family: 'Noto Serif SC', serif;
}

.author {
    font-size: 0.75rem; color: rgba(93, 64, 55, 0.7);
    margin-top: 0.75rem; font-family: 'Share Tech Mono', monospace;
    text-align: right;
}

/* =========================================
   底部区域 (Footer)
   ========================================= */
.footer { text-align: center; margin-top: 3rem; opacity: 0.3; color: #3e2723; }
.cd-icon { font-size: 1.5rem; animation: spin 5s linear infinite; }
.footer-text { font-size: 9px; font-family: 'Share Tech Mono', monospace; margin-top: 0.5rem; letter-spacing: 0.1em; }

/* =========================================
   语言切换按钮
   ========================================= */
.lang-toggle {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 50;
}

.lang-toggle__btn {
    font-family: 'Share Tech Mono', monospace;
    font-size: 14px;
    color: rgba(93, 64, 55, 0.5);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.lang-toggle__btn:hover {
    color: #8b5a2b;
}

.lang-toggle__icon {
    font-size: 10px;
    opacity: 0.7;
}