/* tx4 变体 - 糖心vlog（玫红偏珊瑚主色） */
:root {
    --color-primary: #e8487a;
    --color-primary-light: #ff6a9a;
    --color-primary-dark: #c73d68;
    --color-secondary: #ffc2d4;
    --color-accent: #fff0f5;
    --color-text-main: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #fafafa;
    --color-bg-tertiary: #f5f5f5;
    --color-border: #e8e8e8;
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--color-text-main);
    background: var(--color-bg-primary);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* 顶部横幅 */
.top-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: 0.75rem 0;
    text-align: center;
    font-size: 0.875rem;
}

.banner-text {
    display: inline-block;
}

/* 主导航 */
.main-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-base);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.tagline {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    display: block;
}

.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    justify-content: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-main);
    transition: var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.btn-primary-small {
    padding: 0.625rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border: none;
    border-radius: 24px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-primary-small:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-main);
    transition: var(--transition-base);
}

/* 主视觉区 */
.hero-banner {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
    padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4rem);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(160deg, #fff5f8 0%, #ffeef5 45%, #ffffff 100%);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(232, 72, 122, 0.09) 0%, transparent 55%),
        radial-gradient(circle at 80% 70%, rgba(255, 194, 212, 0.12) 0%, transparent 50%);
}

.hero-decor {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(232, 72, 122, 0.07) 1px, transparent 1px);
    background-size: 24px 24px;
    mask-image: linear-gradient(180deg, black 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

@media (min-width: 992px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
        gap: 3rem;
    }
}

.hero-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 992px) {
    .hero-content {
        text-align: left;
        margin: 0;
        max-width: none;
    }
}

.hero-highlights {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    text-align: left;
}

.hero-highlights li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hi-ico {
    flex-shrink: 0;
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.75rem;
}

@media (min-width: 992px) {
    .hero-chips {
        justify-content: flex-start;
    }
}

.hero-chip {
    font-size: 0.8125rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-xs);
}

.hero-visual {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 992px) {
    .hero-visual {
        margin: 0 0 0 auto;
        max-width: none;
    }
}

.hero-collage {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.75rem;
    min-height: 280px;
}

.collage-item {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.collage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.collage-a {
    grid-row: 1 / -1;
    min-height: 260px;
}

.collage-b,
.collage-c {
    min-height: 120px;
}

.hero-float-card {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: auto;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.hero-float-card strong {
    display: block;
    color: var(--color-text-main);
    font-size: 0.9375rem;
    margin-bottom: 0.15rem;
}

/* 快捷入口条 */
.quick-strip {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 0.85rem 0;
}

.quick-strip-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem 1.25rem;
}

.quick-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-main);
    padding: 0.4rem 0.65rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.quick-item:hover {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow-xs);
}

.q-ico {
    opacity: 0.85;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 30px;
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-heading {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

@media (min-width: 992px) {
    .hero-cta {
        justify-content: flex-start;
    }
}

.btn-hero-primary,
.btn-hero-secondary {
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-hero-secondary {
    background: white;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-hero-secondary:hover {
    background: var(--color-accent);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 480px) {
    .hero-metrics {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 1rem;
    }
}

.metric-item {
    text-align: center;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.9);
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.section-mini-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    margin-top: 1.25rem;
}

.mini-stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.mini-stat em {
    font-style: normal;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mini-stat span {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* 发现区域 */
.discover-section {
    padding: clamp(3rem, 8vw, 4.25rem) 0;
    background: var(--color-bg-primary);
}

.section-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    gap: 2rem;
    flex-wrap: wrap;
}

.section-info {
    flex: 1;
    min-width: 300px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text-main);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.section-filters {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--color-border);
    background: white;
    border-radius: 24px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    color: var(--color-text-main);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--color-primary);
    background: var(--color-accent);
    color: var(--color-primary);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.content-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    cursor: pointer;
}

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

.featured-card {
    grid-column: span 2;
}

.card-media {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.card-media img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.content-card:hover .card-media img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.content-card:hover .card-overlay {
    opacity: 1;
}

.play-button {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button:hover {
    transform: scale(1.1);
    background: white;
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-primary);
    background: var(--color-accent);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text-main);
    line-height: 1.4;
}

.card-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.author-time {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.card-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* 热门趋势 */
.trending-section {
    padding: clamp(3rem, 8vw, 4.25rem) 0;
    background: var(--color-bg-secondary);
}

.section-header-center {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title-large {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.section-desc-large {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.trending-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.trending-item {
    display: flex;
    gap: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.trending-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.trend-rank {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    flex-shrink: 0;
    align-self: center;
}

.trend-content {
    display: flex;
    gap: 1.5rem;
    flex: 1;
}

.trend-image {
    width: 200px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.trend-info {
    flex: 1;
}

.trend-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.trend-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}

.trend-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.trend-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.trending-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.65rem;
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
}

.tt-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-right: 0.25rem;
}

.trend-tag-pill {
    font-size: 0.8125rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 500;
    transition: var(--transition-base);
}

.trend-tag-pill:hover {
    background: var(--color-secondary);
    color: var(--color-primary-dark);
}

/* 创作故事 */
.stories-section {
    padding: clamp(3rem, 8vw, 4.25rem) 0;
    background: white;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.story-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.story-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.story-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.story-author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.story-author-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 0.25rem;
}

.story-author-title {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.story-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.story-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text-main);
    line-height: 1.4;
}

.story-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.story-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

/* 创作工作室 */
.studio-section {
    padding: clamp(3rem, 8vw, 4.25rem) 0;
    background: linear-gradient(135deg, #fff0f5 0%, #ffe8f0 100%);
}

.studio-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.studio-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.studio-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.tools-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tool-item {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.tool-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.tool-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.tool-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tool-features {
    list-style: none;
}

.tool-features li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.studio-band {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .studio-band {
        grid-template-columns: repeat(4, 1fr);
    }
}

.studio-band-item {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.1rem 1rem;
    text-align: center;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
}

.sb-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.sb-txt {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.studio-cta {
    text-align: center;
}

.studio-cta-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.btn-studio {
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-studio:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* 连接社区 */
.connect-section {
    padding: clamp(3rem, 8vw, 4.25rem) 0;
    background: white;
}

.connect-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
}

.connect-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.connect-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.connect-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.benefit-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

.benefit-text {
    display: flex;
    flex-direction: column;
}

.benefit-text strong {
    font-size: 1.125rem;
    color: var(--color-text-main);
    margin-bottom: 0.25rem;
}

.benefit-text span {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.connect-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-connect-primary,
.btn-connect-secondary {
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.btn-connect-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
}

.btn-connect-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-connect-secondary {
    background: white;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-connect-secondary:hover {
    background: var(--color-accent);
}

.connect-visual {
    position: relative;
}

.connect-image {
    width: 100%;
    height: clamp(260px, 42vw, 400px);
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.connect-thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    margin-top: 0.75rem;
}

.connect-thumbs img {
    width: 100%;
    height: 88px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
}

.connect-live-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(0, 0, 0, 0.72);
    color: white;
    font-size: 0.8125rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    backdrop-filter: blur(6px);
}

.live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.35);
    animation: livePulse 1.8s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

/* 页脚 */
.main-footer {
    background: var(--color-text-main);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

.social-link:hover {
    color: white;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .featured-card {
        grid-column: span 1;
    }

    .connect-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 991px) {
    .hero-highlights li {
        justify-content: center;
    }

    .hero-highlights {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-base);
        gap: 1.5rem;
    }

    .nav-list.active {
        left: 0;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .section-top {
        flex-direction: column;
    }

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

    .trending-item {
        flex-direction: column;
    }

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

    .trend-image {
        width: 100%;
        height: 200px;
    }

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

    .tools-showcase {
        grid-template-columns: 1fr;
    }

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

    .hero-heading {
        font-size: 2.5rem;
    }

    .section-title,
    .section-title-large {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
    }

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

    .connect-actions {
        flex-direction: column;
    }

    .btn-connect-primary,
    .btn-connect-secondary {
        width: 100%;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* 滚动入场：全程不透明，只做轻微位移，避免脚本先隐藏导致「看见后消失」 */
@keyframes revealSoft {
    from {
        transform: translateY(14px);
    }
    to {
        transform: translateY(0);
    }
}

.reveal-in {
    animation: revealSoft 0.55s ease-out forwards;
}