/* 糖心Vlog 侘寂禅意风格 CSS */
:root {
    --color-bg: #f5f3ef; /* 米白 */
    --color-text: #333333; /* 墨黑 */
    --color-primary: #8b7d6b; /* 枯木棕 */
    --color-secondary: #a3b1a6; /* 雾青 */
    --color-accent: #c19a6b; /* 土陶色 */
    --color-light-gray: #e0ded8; /* 浅灰 */
    --font-main: "Noto Serif SC", "Songti SC", "STSong", serif;
    --transition: all 0.5s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 16px;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E"); /* 粗糙纸张质感 */
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background-color: rgba(245, 243, 239, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-light-gray);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--color-primary);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav a {
    font-size: 16px;
    letter-spacing: 1px;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.main-nav a:hover::after {
    width: 100%;
}

/* Fake Search Bar */
.search-bar-fake {
    background-color: var(--color-light-gray);
    padding: 10px 0;
    display: none; /* JS控制显示 */
}

.search-input-wrapper {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--color-primary);
    border-radius: 2px;
    overflow: hidden;
}

.search-input-wrapper input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    background-color: transparent;
    font-family: var(--font-main);
    color: var(--color-text);
    outline: none;
}

.search-input-wrapper button {
    padding: 0 20px;
    background-color: var(--color-primary);
    color: var(--color-bg);
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
    transition: var(--transition);
}

.search-input-wrapper button:hover {
    background-color: var(--color-text);
}

/* Hero Banner */
.hero-banner {
    height: 80vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-bg);
}

.hero-content h1 {
    font-size: 48px;
    letter-spacing: 8px;
    margin-bottom: 20px;
    font-weight: normal;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content .tagline {
    font-size: 20px;
    letter-spacing: 4px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 12px 40px;
    border: 1px solid var(--color-bg);
    color: var(--color-bg);
    letter-spacing: 2px;
    transition: var(--transition);
    background: transparent;
}

.btn-primary:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: normal;
    letter-spacing: 4px;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.section-header p {
    font-size: 16px;
    color: #666;
    letter-spacing: 1px;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.video-card {
    background-color: #fff;
    border: 1px solid var(--color-light-gray);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.video-thumb {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.video-thumb::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(139,125,107,0.2), transparent);
    opacity: 0;
    transition: var(--transition);
}

.video-card:hover .video-thumb::after {
    opacity: 1;
    animation: breathe 3s infinite alternate;
}

@keyframes breathe {
    0% { opacity: 0.2; }
    100% { opacity: 0.6; }
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.play-btn::before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 15px;
    border-color: transparent transparent transparent var(--color-primary);
    margin-left: 5px;
}

.video-card:hover .play-btn {
    opacity: 1;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 18px;
    font-weight: normal;
    margin-bottom: 10px;
    line-height: 1.4;
}

.video-meta {
    font-size: 12px;
    color: #888;
    margin-bottom: 10px;
}

.video-desc {
    font-size: 14px;
    color: #555;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Story */
.story-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.story-text {
    flex: 1;
}

.story-text h2 {
    font-size: 32px;
    font-weight: normal;
    color: var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.story-text p {
    margin-bottom: 20px;
    text-align: justify;
}

.story-image {
    flex: 1;
}

.story-image img {
    width: 100%;
    height: auto;
    border-radius: 2px;
    filter: sepia(20%) contrast(90%);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: grayscale(20%);
    transition: var(--transition);
}

.gallery-grid img:hover {
    filter: grayscale(0%);
}

/* AI */
.ai-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.ai-content img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    margin-bottom: 30px;
    border: 1px solid var(--color-light-gray);
    padding: 10px;
    background: #fff;
}

.ai-text h3 {
    font-size: 24px;
    font-weight: normal;
    margin-bottom: 15px;
    color: var(--color-primary);
}

/* Reviews */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background-color: #fff;
    padding: 30px;
    border-left: 3px solid var(--color-primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.02);
}

.review-text {
    font-style: italic;
    margin-bottom: 15px;
    color: #555;
}

.review-author {
    text-align: right;
    font-size: 14px;
    color: var(--color-primary);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-light-gray);
    padding-bottom: 20px;
}

.faq-item h3 {
    font-size: 18px;
    font-weight: normal;
    margin-bottom: 10px;
    color: var(--color-text);
}

.faq-item p {
    color: #666;
    padding-left: 20px;
    border-left: 2px solid var(--color-secondary);
}

/* Footer */
.site-footer {
    background-color: #2c2c2c;
    color: #aaa;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-brand h2 {
    color: var(--color-bg);
    font-weight: normal;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.footer-links h3, .footer-contact h3 {
    color: var(--color-bg);
    font-weight: normal;
    margin-bottom: 15px;
    font-size: 18px;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: #aaa;
}

.footer-links a:hover {
    color: var(--color-bg);
}

.qr-codes {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.qr-item {
    text-align: center;
}

.qr-placeholder {
    width: 80px;
    height: 80px;
    background-color: #444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    border: 1px solid #555;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }
    .main-nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .hero-content h1 {
        font-size: 32px;
    }
    .story-content {
        flex-direction: column;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        flex-direction: column;
    }
}