/* ===== 蘑菇视频在线观看 - 自然清新风 ===== */
/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700;900&family=Ma+Shan+Zheng&display=swap');

/* CSS 变量 */
:root {
    --green-primary: #2d5016;
    --green-secondary: #4a7c2e;
    --green-light: #7cb342;
    --green-pale: #e8f5e9;
    --beige: #f5f5dc;
    --beige-dark: #ede8d0;
    --dark-green: #1a3a0a;
    --text-dark: #2d3436;
    --text-gray: #636e72;
    --white: #ffffff;
    --gradient-green: linear-gradient(135deg, #4a7c2e 0%, #2d5016 100%);
    --gradient-green-light: linear-gradient(135deg, #7cb342 0%, #4a7c2e 100%);
    --shadow-soft: 0 4px 20px rgba(45, 80, 22, 0.12);
    --shadow-hover: 0 12px 35px rgba(45, 80, 22, 0.2);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.35s ease;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif SC', serif;
    background-color: var(--beige);
    color: var(--text-dark);
    line-height: 1.8;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Ma Shan Zheng', cursive;
    font-weight: normal;
    letter-spacing: 1px;
    color: var(--dark-green);
}

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

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

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(245, 245, 220, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    border-bottom: 1px solid rgba(74, 124, 46, 0.15);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.9rem;
    color: var(--green-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
}

.nav-menu {
    display: flex;
    gap: 28px;
}

.nav-menu a {
    color: var(--text-dark);
    font-size: 1rem;
    font-weight: 600;
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--green-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--green-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
}

.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--green-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 12px 34px;
    border: none;
    border-radius: 30px;
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-green {
    background: var(--gradient-green-light);
    color: white;
    box-shadow: var(--shadow-soft);
}

.btn-green:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--green-primary);
    border: 2px solid var(--green-primary);
}

.btn-outline:hover {
    background: var(--green-primary);
    color: white;
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 100px 20px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(245, 245, 220, 0.92) 0%, rgba(245, 245, 220, 0.6) 50%, rgba(245, 245, 220, 0.3) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 650px;
    animation: slideInLeft 1s ease;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--green-pale);
    border-radius: 25px;
    color: var(--green-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 22px;
}

.hero h1 {
    font-size: 4rem;
    color: var(--dark-green);
    margin-bottom: 22px;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--green-secondary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

/* ===== 区块通用 ===== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.6rem;
    color: var(--dark-green);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '❀';
    display: block;
    color: var(--green-light);
    font-size: 1.5rem;
    margin-top: 8px;
}

.section-subtitle {
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* ===== 分类圆形图标 ===== */
.category-circles {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.category-circle {
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.category-circle:hover {
    transform: translateY(-8px);
}

.circle-img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: var(--shadow-soft);
    margin-bottom: 12px;
    transition: var(--transition);
}

.category-circle:hover .circle-img {
    border-color: var(--green-light);
    box-shadow: var(--shadow-hover);
}

.category-circle h4 {
    font-size: 1.1rem;
    color: var(--dark-green);
}

/* ===== 视频卡片网格 ===== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.video-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.video-card:hover .video-thumb img {
    transform: scale(1.08);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 3px 10px;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 60px;
    height: 60px;
    background: var(--green-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    opacity: 0;
    transition: var(--transition);
}

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

.video-body {
    padding: 18px;
}

.video-category {
    color: var(--green-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.video-body h3 {
    font-size: 1.25rem;
    color: var(--dark-green);
    margin-bottom: 10px;
    line-height: 1.4;
}

.video-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-gray);
    font-size: 0.88rem;
    padding-top: 12px;
    border-top: 1px solid var(--beige-dark);
}

.video-rating {
    color: var(--green-primary);
    font-weight: 700;
}

.stars {
    color: #f39c12;
}

/* ===== 编辑推荐栏目 ===== */
.editorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 30px;
}

.editorial-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.editorial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.editorial-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.editorial-body {
    padding: 24px;
    flex: 1;
}

.editorial-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--green-pale);
    color: var(--green-primary);
    border-radius: 15px;
    font-size: 0.82rem;
    margin-bottom: 12px;
}

.editorial-body h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.editorial-body p {
    color: var(--text-gray);
    margin-bottom: 15px;
}

.editorial-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-gray);
    font-size: 0.88rem;
    padding-top: 12px;
    border-top: 1px solid var(--beige-dark);
}

/* ===== 分类大卡片 ===== */
.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.category-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 320px;
    display: flex;
    align-items: flex-end;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.category-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-card:hover img {
    transform: scale(1.08);
}

.category-overlay {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 28px;
    background: linear-gradient(to top, rgba(26, 58, 10, 0.92) 0%, rgba(26, 58, 10, 0.4) 70%, transparent 100%);
    color: white;
}

.category-overlay h3 {
    color: white;
    font-size: 1.7rem;
    margin-bottom: 8px;
}

.category-count {
    color: var(--green-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.category-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* ===== 排序栏 ===== */
.sort-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 16px 24px;
    border-radius: var(--radius);
    margin-bottom: 35px;
    box-shadow: var(--shadow-soft);
    flex-wrap: wrap;
    gap: 15px;
}

.sort-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.sort-btn {
    padding: 8px 22px;
    background: var(--beige);
    border: none;
    border-radius: 20px;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Serif SC', serif;
    font-size: 0.95rem;
}

.sort-btn:hover,
.sort-btn.active {
    background: var(--gradient-green-light);
    color: white;
}

.sort-info {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ===== 排行榜列表 ===== */
.rank-list {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.rank-item {
    display: grid;
    grid-template-columns: 60px 140px 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--beige-dark);
    transition: var(--transition);
}

.rank-item:hover {
    background: var(--green-pale);
}

.rank-item:last-child {
    border-bottom: none;
}

.rank-num {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 2rem;
    color: var(--text-gray);
    text-align: center;
}

.rank-item:nth-child(1) .rank-num { color: #e74c3c; }
.rank-item:nth-child(2) .rank-num { color: #e67e22; }
.rank-item:nth-child(3) .rank-num { color: #f39c12; }

.rank-thumb {
    width: 140px;
    height: 85px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.rank-info h4 {
    font-size: 1.2rem;
    color: var(--dark-green);
    margin-bottom: 6px;
}

.rank-meta {
    color: var(--text-gray);
    font-size: 0.9rem;
    display: flex;
    gap: 18px;
}

.rank-data {
    text-align: right;
}

.rank-data .views {
    color: var(--green-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.rank-data .label {
    color: var(--text-gray);
    font-size: 0.82rem;
}

/* ===== 侧边推荐 ===== */
.layout-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

.sidebar-card {
    background: white;
    border-radius: var(--radius);
    padding: 26px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-soft);
}

.sidebar-card h3 {
    color: var(--dark-green);
    font-size: 1.4rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--green-pale);
    position: relative;
}

.sidebar-card h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--green-primary);
}

.sidebar-video-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--beige-dark);
}

.sidebar-video-item:last-child {
    border-bottom: none;
}

.sidebar-thumb {
    width: 100px;
    height: 65px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.sidebar-video-info h4 {
    font-size: 1rem;
    color: var(--dark-green);
    margin-bottom: 4px;
    line-height: 1.3;
}

.sidebar-video-info p {
    color: var(--text-gray);
    font-size: 0.85rem;
}

/* ===== 搜索页 ===== */
.search-hero {
    background: var(--gradient-green);
    padding: 60px 20px;
    text-align: center;
    margin-top: 72px;
}

.search-hero h1 {
    color: white;
    font-size: 2.8rem;
    margin-bottom: 30px;
}

.search-box {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    background: white;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.search-box input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    outline: none;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.05rem;
}

.search-box button {
    padding: 16px 36px;
    background: var(--green-primary);
    color: white;
    border: none;
    cursor: pointer;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.05rem;
    font-weight: 600;
    transition: var(--transition);
}

.search-box button:hover {
    background: var(--dark-green);
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 25px;
    justify-content: center;
}

.tag {
    padding: 8px 20px;
    background: var(--green-pale);
    border-radius: 20px;
    color: var(--green-primary);
    font-size: 0.92rem;
    transition: var(--transition);
    cursor: pointer;
}

.tag:hover {
    background: var(--green-primary);
    color: white;
    transform: translateY(-2px);
}

.tag.hot {
    background: var(--green-secondary);
    color: white;
}

/* 筛选器 */
.filter-group {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-soft);
}

.filter-group h4 {
    color: var(--dark-green);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-option {
    padding: 6px 18px;
    background: var(--beige);
    border-radius: 18px;
    color: var(--text-dark);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-option:hover,
.filter-option.active {
    background: var(--green-primary);
    color: white;
}

.recent-searches {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-soft);
}

.recent-searches h4 {
    color: var(--dark-green);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--beige-dark);
    color: var(--text-dark);
}

.recent-item:last-child {
    border-bottom: none;
}

.recent-item span:first-child {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.recent-item a {
    color: var(--green-secondary);
    font-size: 0.88rem;
}

/* ===== 团队卡片 ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.team-img {
    width: 100%;
    height: 290px;
    object-fit: cover;
}

.team-info {
    padding: 22px;
}

.team-info h3 {
    color: var(--dark-green);
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.team-role {
    color: var(--green-secondary);
    font-size: 0.95rem;
    margin-bottom: 14px;
    font-weight: 600;
}

.team-info p {
    color: var(--text-gray);
    font-size: 0.92rem;
}

/* ===== 长文章 ===== */
.article-content {
    max-width: 850px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius);
    padding: 50px;
    box-shadow: var(--shadow-soft);
}

.article-content h2 {
    color: var(--dark-green);
    font-size: 2rem;
    margin: 30px 0 18px;
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content p {
    color: var(--text-dark);
    font-size: 1.08rem;
    line-height: 2;
    margin-bottom: 18px;
    text-indent: 2em;
}

.article-content .lead {
    font-size: 1.2rem;
    color: var(--green-primary);
    text-indent: 0;
    border-left: 4px solid var(--green-secondary);
    padding-left: 20px;
    margin-bottom: 25px;
}

.mission-box {
    background: var(--green-pale);
    border-radius: var(--radius);
    padding: 30px;
    margin: 30px 0;
    border-left: 5px solid var(--green-primary);
}

.mission-box h3 {
    color: var(--green-primary);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.mission-box p {
    text-indent: 0;
    color: var(--dark-green);
}

/* ===== 联系表单 ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-form {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    color: var(--dark-green);
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 18px;
    background: var(--beige);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-dark);
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green-secondary);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.contact-info-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-soft);
}

.info-item {
    display: flex;
    gap: 18px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.info-icon {
    width: 52px;
    height: 52px;
    background: var(--green-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--green-primary);
    flex-shrink: 0;
}

.info-item h4 {
    color: var(--dark-green);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-item p {
    color: var(--text-gray);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-link {
    width: 48px;
    height: 48px;
    background: var(--green-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-primary);
    font-size: 1.3rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-green-light);
    color: white;
    transform: translateY(-3px);
}

.submit-guide {
    background: var(--green-pale);
    border-radius: var(--radius);
    padding: 30px;
    margin-top: 30px;
}

.submit-guide h3 {
    color: var(--green-primary);
    margin-bottom: 15px;
}

.submit-guide ol {
    padding-left: 20px;
    color: var(--text-dark);
}

.submit-guide li {
    margin-bottom: 8px;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--dark-green);
    padding: 60px 0 20px;
    color: rgba(255, 255, 255, 0.85);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: white;
    font-size: 1.9rem;
    margin-bottom: 15px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.footer-col h4 {
    color: var(--green-light);
    margin-bottom: 18px;
    font-size: 1.1rem;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.75);
}

.footer-col ul li a:hover {
    color: var(--green-light);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===== 动画 ===== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ===== 月度趋势 ===== */
.trend-section {
    background: var(--green-pale);
    border-radius: var(--radius);
    padding: 35px;
    margin-bottom: 40px;
}

.trend-section h3 {
    color: var(--dark-green);
    font-size: 1.6rem;
    margin-bottom: 20px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .layout-with-sidebar,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--beige);
        flex-direction: column;
        padding: 30px;
        gap: 15px;
        transition: left 0.4s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero h1 {
        font-size: 2.3rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .rank-item {
        grid-template-columns: 50px 1fr;
        gap: 12px;
        padding: 14px 16px;
    }
    
    .rank-thumb,
    .rank-data {
        display: none;
    }
    
    .article-content {
        padding: 25px;
    }
    
    .category-circles {
        gap: 20px;
    }
    
    .circle-img {
        width: 85px;
        height: 85px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .video-grid,
    .editorial-grid,
    .category-cards {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .search-box {
        flex-direction: column;
        border-radius: var(--radius);
    }
    
    .search-box input {
        border-radius: 0;
    }
    
    .search-box button {
        border-radius: 0;
    }
}