/* 蘑菇视频 - 新中式国风美学样式 */
/* 主色调：深墨黑 + 朱砂红 + 鎏金 + 米白 + 青玉绿 */

:root {
    --ink-black: #1a1a1a;
    --vermilion: #c0392b;
    --gold: #c9a84c;
    --rice-white: #f5f0e8;
    --jade-green: #4a7c59;
    --dark-bg: #0d0d0d;
    --text-main: #2c2c2c;
    --text-light: #f5f0e8;
}

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

body {
    font-family: 'Noto Serif SC', 'SimSun', serif;
    background-color: var(--rice-white);
    color: var(--text-main);
    line-height: 1.8;
}

/* ===== 导航 ===== */
.header {
    background: var(--ink-black);
    border-bottom: 2px solid var(--gold);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 4px;
    text-shadow: 0 0 10px rgba(201,168,76,0.5);
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

.nav ul li a {
    color: var(--rice-white);
    text-decoration: none;
    font-size: 0.92rem;
    letter-spacing: 1px;
    padding: 4px 8px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.nav ul li a:hover,
.nav ul li a.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

/* ===== 搜索框 ===== */
.search-bar-fake {
    background: rgba(201,168,76,0.08);
    padding: 8px 0;
    display: flex;
    justify-content: center;
    gap: 8px;
    border-bottom: 1px solid rgba(201,168,76,0.2);
}

.search-bar-fake input {
    width: 400px;
    max-width: 80vw;
    padding: 8px 16px;
    border: 1px solid var(--gold);
    background: rgba(255,255,255,0.05);
    color: var(--rice-white);
    border-radius: 20px;
    font-size: 0.9rem;
    outline: none;
}

.search-bar-fake input::placeholder {
    color: rgba(245,240,232,0.5);
}

.search-bar-fake button {
    padding: 8px 20px;
    background: var(--gold);
    color: var(--ink-black);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.search-bar-fake button:hover {
    background: #e0b85a;
}

/* ===== Banner ===== */
.banner {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.65);
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--rice-white);
    z-index: 2;
}

.banner-content h1 {
    font-size: 2.4rem;
    letter-spacing: 6px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
    margin-bottom: 12px;
    color: var(--gold);
}

.banner-content p {
    font-size: 1.1rem;
    letter-spacing: 3px;
    margin-bottom: 24px;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: var(--vermilion);
    color: var(--rice-white);
    text-decoration: none;
    border-radius: 4px;
    letter-spacing: 2px;
    font-size: 1rem;
    border: 1px solid var(--gold);
    transition: all 0.3s;
}

.btn:hover {
    background: var(--gold);
    color: var(--ink-black);
}

/* ===== 面包屑 ===== */
.breadcrumb {
    padding: 12px 20px;
    font-size: 0.85rem;
    color: #666;
    max-width: 1200px;
    margin: 0 auto;
}

.breadcrumb a {
    color: var(--jade-green);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ===== 通用区块 ===== */
.section {
    padding: 60px 0;
}

.bg-light {
    background: #ede8de;
}

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

.section h2 {
    font-size: 1.8rem;
    color: var(--ink-black);
    letter-spacing: 4px;
    margin-bottom: 36px;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 10px auto 0;
}

/* ===== 视频卡片 ===== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.video-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.18);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    cursor: pointer;
}

.video-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s, filter 0.4s;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 56px;
    height: 56px;
    background: rgba(192,57,43,0.85);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 2;
}

.play-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent #fff;
}

.video-wrapper:hover img {
    transform: scale(1.06);
    filter: brightness(0.7) sepia(0.3);
}

.video-wrapper:hover .play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* 水墨晕染 + 鎏金光影悬停效果 */
.video-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(201,168,76,0.18) 0%, rgba(26,26,26,0.55) 100%);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 1;
}

.video-wrapper:hover::before {
    opacity: 1;
}

.video-card h3 {
    padding: 12px 16px 4px;
    font-size: 0.95rem;
    color: var(--ink-black);
    letter-spacing: 1px;
}

.video-card p {
    padding: 0 16px 14px;
    font-size: 0.8rem;
    color: #888;
}

/* ===== 品牌故事 ===== */
.story-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.story-content img {
    width: 45%;
    border-radius: 8px;
    object-fit: cover;
    max-height: 320px;
}

.story-content .text {
    flex: 1;
}

.story-content .text p {
    margin-bottom: 16px;
    font-size: 1rem;
    color: #444;
    line-height: 1.9;
}

/* ===== AI工具 ===== */
.ai-tool {
    text-align: center;
}

.ai-tool img {
    width: 100%;
    max-height: 380px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.ai-tool p {
    font-size: 1rem;
    color: #555;
    letter-spacing: 1px;
}

/* ===== 达人头像 ===== */
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 28px;
    text-align: center;
}

.avatar-card img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--gold);
    margin-bottom: 12px;
}

.avatar-card h4 {
    font-size: 1rem;
    color: var(--ink-black);
    letter-spacing: 2px;
}

.avatar-card p {
    font-size: 0.85rem;
    color: #888;
}

/* ===== 用户评价 ===== */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.review-card {
    background: #fff;
    border-left: 4px solid var(--gold);
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.review-card p {
    font-size: 0.95rem;
    color: #444;
    margin-bottom: 10px;
    font-style: italic;
}

.review-card span {
    font-size: 0.82rem;
    color: var(--jade-green);
    font-weight: 600;
}

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

.faq-item {
    border-bottom: 1px solid #ddd;
    padding: 20px 0;
}

.faq-item h4 {
    font-size: 1rem;
    color: var(--ink-black);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.faq-item p {
    font-size: 0.92rem;
    color: #555;
    line-height: 1.7;
}

/* ===== 联系方式 ===== */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.contact-info p {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    font-size: 0.95rem;
    color: #444;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--ink-black);
    color: var(--rice-white);
    padding: 40px 0 24px;
    text-align: center;
    border-top: 2px solid var(--gold);
}

.footer-logo {
    font-size: 1.4rem;
    color: var(--gold);
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.footer p {
    font-size: 0.85rem;
    color: rgba(245,240,232,0.7);
    margin: 6px 0;
    letter-spacing: 1px;
}

/* ===== 懒加载 ===== */
img.lazyload {
    opacity: 0;
    transition: opacity 0.4s;
}

img.lazyload.loaded {
    opacity: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 12px 16px;
        gap: 8px;
    }

    .nav ul {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .banner {
        height: 280px;
    }

    .banner-content h1 {
        font-size: 1.4rem;
        letter-spacing: 3px;
    }

    .story-content {
        flex-direction: column;
    }

    .story-content img {
        width: 100%;
    }

    .search-bar-fake input {
        width: 60vw;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }

    .avatar-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* ===== 懒加载JS内联 ===== */