/* ===================================
   红桃视频 - 主样式文件
   温暖治愈·自然生活·人文气息
   =================================== */

/* ---- CSS变量 ---- */
:root {
    --color-bg: #faf8f5;
    --color-bg-alt: #f3ede4;
    --color-primary: #c0392b;
    --color-accent: #a0522d;
    --color-warm: #d4956a;
    --color-earth: #8b6f47;
    --color-text: #3d2b1f;
    --color-text-light: #7a6355;
    --color-text-muted: #a89080;
    --color-border: #e8ddd5;
    --color-white: #ffffff;
    --color-card: #fffdf9;
    --font-main: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
    --shadow-soft: 0 4px 20px rgba(160, 82, 45, 0.08);
    --shadow-card: 0 2px 12px rgba(160, 82, 45, 0.10);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

/* ---- 基础重置 ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
    list-style: none;
}

/* ---- 通用容器 ---- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

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

/* ---- 标题样式 ---- */
.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 48px;
    font-weight: 400;
}

.section-update {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 40px;
    margin-top: -32px;
}

/* ---- 按钮 ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-warm));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(192, 57, 43, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(192, 57, 43, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

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

/* ---- 顶部导航 ---- */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 12px rgba(160, 82, 45, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-warm));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.logo-text span {
    color: var(--color-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 0.92rem;
    color: var(--color-text-light);
    font-weight: 500;
    padding: 4px 0;
    position: relative;
    transition: color var(--transition);
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ---- 搜索框 ---- */
.search-bar-wrapper {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
}

.search-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: 50px;
    overflow: hidden;
    width: 100%;
    max-width: 560px;
    box-shadow: var(--shadow-soft);
    transition: border-color var(--transition);
}

.search-form:focus-within {
    border-color: var(--color-warm);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 10px 20px;
    font-size: 0.92rem;
    background: transparent;
    color: var(--color-text);
    font-family: var(--font-main);
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-warm));
    border: none;
    padding: 10px 22px;
    color: white;
    cursor: pointer;
    font-size: 0.92rem;
    font-family: var(--font-main);
    transition: opacity var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-btn:hover {
    opacity: 0.9;
}

/* ---- Hero Banner ---- */
.hero {
    position: relative;
    min-height: 580px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--color-bg);
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.55;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(250,248,245,0.92) 40%, rgba(250,248,245,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(192, 57, 43, 0.1);
    color: var(--color-primary);
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(192, 57, 43, 0.2);
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}

.hero h1 .highlight {
    color: var(--color-primary);
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.hero-stat {
    text-align: center;
}

.hero-stat-num {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
}

.hero-stat-label {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ---- 生活哲学 ---- */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.philosophy-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    box-shadow: var(--shadow-card);
}

.philosophy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(160, 82, 45, 0.15);
}

.philosophy-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(192,57,43,0.1), rgba(212,149,106,0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
}

.philosophy-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
}

.philosophy-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ---- 生活场景 ---- */
.scenes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scene-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    background: var(--color-card);
}

.scene-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(160, 82, 45, 0.18);
}

.scene-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.scene-card:hover .scene-img {
    transform: scale(1.04);
}

.scene-body {
    padding: 20px;
}

.scene-tag {
    display: inline-block;
    background: rgba(192, 57, 43, 0.08);
    color: var(--color-primary);
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 8px;
    font-weight: 500;
}

.scene-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.scene-body p {
    font-size: 0.87rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ---- 视频卡片 ---- */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(160, 82, 45, 0.18);
}

.video-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: #e8ddd5;
}

.video-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0);
    transition: background var(--transition);
    z-index: 2;
}

.video-card:hover .video-play-btn {
    background: rgba(0,0,0,0.25);
}

.play-icon {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.92);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.video-card:hover .play-icon {
    opacity: 1;
    transform: scale(1);
}

.play-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--color-primary);
    margin-left: 3px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.65);
    color: white;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    z-index: 3;
}

.video-body {
    padding: 16px 18px 18px;
}

.video-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.video-tag {
    font-size: 0.72rem;
    background: rgba(192, 57, 43, 0.08);
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 50px;
    font-weight: 500;
}

.video-body h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-body p {
    font-size: 0.83rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.video-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ---- 数据统计 ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(160, 82, 45, 0.12);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.stat-num {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--color-text-light);
}

/* ---- 匠人卡片 ---- */
.artisans-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.artisan-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    gap: 24px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.artisan-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(160, 82, 45, 0.14);
}

.artisan-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--color-border);
}

.artisan-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.artisan-role {
    font-size: 0.82rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    font-weight: 500;
}

.artisan-info p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ---- 媒体报道 ---- */
.media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.media-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.media-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(160, 82, 45, 0.12);
}

.media-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.media-name::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 2px;
    display: inline-block;
}

.media-quote {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 2px solid var(--color-border);
}

.media-date {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* ---- 用户评价 ---- */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.review-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.review-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(160, 82, 45, 0.12);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.review-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-warm), var(--color-earth));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    flex-shrink: 0;
}

.review-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text);
}

.review-stars {
    font-size: 0.78rem;
    color: #e8a020;
}

.review-text {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

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

.faq-item {
    background: var(--color-card);
    border-radius: var(--radius);
    margin-bottom: 12px;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--color-warm);
}

.faq-question {
    padding: 18px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    user-select: none;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--color-primary);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 24px 18px;
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.8;
    border-top: 1px solid var(--color-border);
    padding-top: 14px;
}

.faq-item.open .faq-answer {
    display: block;
}

/* ---- 加入我们 ---- */
.join-section {
    background: linear-gradient(135deg, var(--color-text) 0%, #5d3a2a 100%);
    color: white;
    text-align: center;
    padding: 80px 0;
}

.join-section .section-title {
    color: white;
}

.join-section .section-subtitle {
    color: rgba(255,255,255,0.75);
}

.join-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.join-card {
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.12);
    text-align: center;
    transition: all var(--transition);
}

.join-card:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-3px);
}

.join-card-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.join-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.join-card p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
}

/* ---- 联系我们 ---- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.contact-item-icon {
    width: 36px;
    height: 36px;
    background: rgba(192, 57, 43, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition);
    color: var(--color-text-light);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.contact-form {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition);
    outline: none;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--color-warm);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* ---- 页脚 ---- */
.footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.75);
    padding: 60px 0 30px;
}

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

.footer-brand .logo-text {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 12px;
    display: block;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-warm);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
}

.footer-logo-bottom {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---- 汉堡菜单 ---- */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
    display: block;
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .section {
        padding: 56px 0;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--color-border);
        gap: 0;
        box-shadow: 0 8px 20px rgba(160,82,45,0.1);
    }
    .nav.open {
        display: flex;
    }
    .nav a {
        padding: 12px 0;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }
    .menu-toggle {
        display: flex;
    }
    .header-actions .btn {
        display: none;
    }
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    .scenes-grid {
        grid-template-columns: 1fr;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .artisans-grid {
        grid-template-columns: 1fr;
    }
    .media-grid {
        grid-template-columns: 1fr;
    }
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .join-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .hero-stats {
        gap: 20px;
    }
    .hero-stat-num {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .hero {
        min-height: 480px;
    }
    .hero h1 {
        font-size: 1.7rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
}

/* ---- 懒加载 ---- */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.4s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}

/* ---- 滚动动画 ---- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}