/* ============================================
   星途 · 明星资源社区 样式表
   ============================================ */

/* ---------- CSS变量 ---------- */
:root {
    --bg: #f9fafb;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #6d28d9;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --gradient-1: linear-gradient(135deg, #7c3aed, #a78bfa);
    --gradient-2: linear-gradient(135deg, #f59e0b, #f97316);
    --gradient-hero: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%);
    --shadow: 0 4px 24px rgba(124, 58, 237, 0.08);
    --shadow-lg: 0 12px 40px rgba(124, 58, 237, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-full: 999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --navbar-blur: rgba(249, 250, 251, 0.8);
}

[data-theme="dark"] {
    --bg: #0b0e14;
    --bg-card: #1a1e2a;
    --bg-card-hover: #252b3d;
    --text: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border: #2d3348;
    --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #0f0a1a 100%);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
    --navbar-blur: rgba(11, 14, 20, 0.85);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- 加载动画 ---------- */
.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-star {
    font-size: 3rem;
    color: var(--primary);
    animation: pulse-star 1.2s ease-in-out infinite;
}

.loader p {
    margin-top: 16px;
    color: var(--text-secondary);
    font-weight: 600;
}

@keyframes pulse-star {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.3); opacity: 1; }
}

/* ---------- 导航 ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: var(--navbar-blur);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    border-bottom-color: var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo i {
    -webkit-text-fill-color: initial;
    color: var(--primary);
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
}

.nav-links a {
    position: relative;
    padding: 4px 0;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
    transition: width var(--transition);
}

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

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

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

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
}

#themeToggle {
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

#themeToggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(124, 58, 237, 0.45);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(124, 58, 237, 0.06);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(80px);
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -150px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--primary-light);
    top: 40%;
    left: 40%;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(124, 58, 237, 0.12);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(4px);
}

.hero-text h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 20px 0 32px;
    max-width: 480px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card-stack {
    position: relative;
    width: 280px;
    height: 320px;
}

.hcard {
    position: absolute;
    padding: 20px 28px;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--border);
}

.hcard i {
    font-size: 1.6rem;
    color: var(--primary);
}

.hcard-1 {
    top: 0;
    left: 0;
    transform: rotate(-8deg);
    animation: float-card 4s ease-in-out infinite;
}

.hcard-2 {
    top: 80px;
    right: 0;
    transform: rotate(6deg);
    animation: float-card 4s ease-in-out infinite 0.8s;
}

.hcard-3 {
    bottom: 0;
    left: 40px;
    transform: rotate(-3deg);
    animation: float-card 4s ease-in-out infinite 1.6s;
}

@keyframes float-card {
    0%, 100% { transform: rotate(var(--rotate, -8deg)) translateY(0); }
    50% { transform: rotate(var(--rotate, -8deg)) translateY(-12px); }
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* ---------- 段落标题 ---------- */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* ---------- 分类 ---------- */
.categories {
    padding: 80px 0 60px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
}

.category-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 12px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow);
}

.category-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.category-item i {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.category-item span {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}

/* ---------- 搜索栏 ---------- */
.search-bar {
    display: flex;
    align-items: center;
    max-width: 500px;
    margin: 24px auto 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 4px 4px 4px 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
}

.search-bar i {
    color: var(--text-muted);
    font-size: 1rem;
}

.search-bar input {
    border: none;
    background: transparent;
    padding: 12px 12px;
    font-size: 0.95rem;
    width: 100%;
    outline: none;
    color: var(--text);
}

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

/* ---------- 筛选标签 ---------- */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 36px;
}

.filter-btn {
    padding: 8px 22px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

/* ---------- 明星卡片网格 ---------- */
.stars-section {
    padding: 60px 0 80px;
}

.star-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.star-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow);
    cursor: pointer;
}

.star-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.star-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.star-card-body {
    padding: 20px;
}

.star-card-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.star-card-body .star-role {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.star-card-body .star-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.star-tag {
    padding: 2px 12px;
    border-radius: var(--radius-full);
    background: rgba(124, 58, 237, 0.08);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
}

.star-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 14px;
    margin-top: 8px;
}

.star-like {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.star-like i {
    color: #ef4444;
    transition: transform var(--transition);
}

.star-like i.liked {
    animation: like-pop 0.3s ease;
}

@keyframes like-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

.star-card-footer .btn-small {
    padding: 6px 16px;
    font-size: 0.8rem;
    border-radius: var(--radius-full);
    background: var(--gradient-1);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.star-card-footer .btn-small:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

/* ---------- 动态列表 ---------- */
.events {
    padding: 80px 0;
    background: var(--gradient-hero);
}

.event-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.event-item {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    padding: 20px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
    box-shadow: var(--shadow);
    align-items: flex-start;
}

.event-item:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.event-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    flex-shrink: 0;
}

.event-content {
    flex: 1;
}

.event-content h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.event-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.event-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.event-meta span i {
    margin-right: 4px;
}

/* ---------- 排行榜 ---------- */
.ranking {
    padding: 80px 0;
}

.ranking-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.rank-card {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all var(--transition);
    box-shadow: var(--shadow);
}

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

.rank-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
}

.rank-card:nth-child(1) .rank-number { color: var(--accent); }
.rank-card:nth-child(2) .rank-number { color: #94a3b8; }
.rank-card:nth-child(3) .rank-number { color: #d97706; }

.rank-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}

.rank-info {
    flex: 1;
}

.rank-info h4 {
    font-weight: 700;
    font-size: 1rem;
}

.rank-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

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

/* ---------- 关于 ---------- */
.about {
    padding: 80px 0 60px;
}

.about-card {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: var(--shadow);
}

.about-text {
    flex: 1;
    min-width: 280px;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.stat-item span:last-child {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.about-subscribe {
    flex: 1;
    min-width: 260px;
    background: var(--bg);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--border);
}

.about-subscribe h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.about-subscribe p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

#subscribeForm {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#subscribeForm input {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
}

#subscribeForm input:focus {
    border-color: var(--primary);
}

#subscribeForm .btn {
    justify-content: center;
}

.form-message {
    font-size: 0.85rem;
    margin-top: 8px;
    min-height: 24px;
}

.form-message.success { color: #10b981; }
.form-message.error { color: #ef4444; }

/* ---------- 页脚 ---------- */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand h3 i {
    color: var(--primary);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 14px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.footer-links h4 {
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 10px;
    transition: color var(--transition);
}

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

.footer-newsletter h4 {
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-newsletter p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.footer-newsletter form {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: border-color var(--transition);
}

.footer-newsletter form:focus-within {
    border-color: var(--primary);
}

.footer-newsletter input {
    flex: 1;
    border: none;
    padding: 12px 16px;
    background: transparent;
    color: var(--text);
    outline: none;
}

.footer-newsletter button {
    background: var(--gradient-1);
    border: none;
    padding: 0 20px;
    color: #fff;
    cursor: pointer;
    transition: opacity var(--transition);
}

.footer-newsletter button:hover {
    opacity: 0.85;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---------- 回到顶部 ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: #fff;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
    transition: all var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 24px rgba(124, 58, 237, 0.5);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-text h1 { font-size: 3rem; }
    .hero-visual { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 68px;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        flex-direction: column;
        padding: 24px 32px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-lg);
    }
    .nav-links.open { transform: translateY(0); }
    .hamburger { display: flex; }
    .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero { padding: 100px 0 40px; min-height: auto; }
    .hero-text h1 { font-size: 2.4rem; }
    .hero-text p { font-size: 1rem; }
    .hero-card-stack { display: none; }

    .section-header h2 { font-size: 1.8rem; }
    .category-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .star-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
    .about-card { padding: 28px; }
    .stats { gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-text h1 { font-size: 1.8rem; }
    .hero-cta { flex-direction: column; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .star-grid { grid-template-columns: 1fr; }
    .event-item { flex-direction: column; align-items: flex-start; }
    .rank-card { flex-wrap: wrap; }
    .about-subscribe { padding: 20px; }
    .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}
/* ---------- 空状态 ---------- */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 1.1rem;
}