@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================================
   1. 全局基础设置与变量
   ========================================================================== */
:root {
    --color-brand-purple: #6C3CE9;
    --color-brand-pink: #E841B5;
    --color-brand-blue: #2A33D6;
    --hero-gradient: linear-gradient(115deg, #2A33D6 0%, #5130DC 30%, #8733E3 60%, #C837D8 85%, #E841B5 100%);
    --bg-slate-50: #f8fafc;
    --bg-slate-100: #f1f5f9;
    --bg-slate-900: #0f172a;
    --text-slate-900: #0f172a;
    --text-slate-800: #1e293b;
    --text-slate-700: #334155;
    --text-slate-600: #475569;
    --text-slate-500: #64748b;
    --text-slate-400: #94a3b8;
    --purple-100: #f3e8ff;
    --purple-200: #e9d5ff;
}

html {
    scroll-behavior: smooth;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: #ffffff;
    color: var(--text-slate-800);
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
}

::selection {
    background-color: #8B5CF6;
    color: #ffffff;
}

/* 隐藏滚动条类 */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* 容器通用类 */
.container-custom {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}
@media (min-width: 640px) {
    .container-custom { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
    .container-custom { padding-left: 2rem; padding-right: 2rem; }
}

/* 背景与渐变 */
.hero-gradient { background: var(--hero-gradient); }
.app-custom-bg { background-color: #f9faff; }

/* ==========================================================================
   2. 顶部通告条 (Top Notice)
   ========================================================================== */
.top-notice {
    background-color: var(--bg-slate-900);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    text-align: center;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    z-index: 30;
}
@media (min-width: 640px) { .top-notice { font-size: 0.875rem; } }
.top-notice img { height: 1rem; width: auto; object-fit: contain; display: inline-block; }
@media (min-width: 640px) { .top-notice img { height: 1.25rem; } }
.top-notice a { color: #a5b4fc; text-decoration: underline; margin-left: 0.25rem; transition: color 0.2s; }
.top-notice a:hover { color: #ffffff; }

/* ==========================================================================
   3. 导航栏 (Sticky Navigation Bar)
   ========================================================================== */
.sticky-navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    color: #ffffff;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.nav-container {
    padding-top: 1rem;
    padding-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo-img { height: 2rem; width: auto; object-fit: contain; transition: transform 0.2s; }
.group:hover .nav-logo-img { transform: scale(1.05); }
.nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--purple-100);
}
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a, .nav-dropdown-btn { color: inherit; text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-dropdown-btn:hover { color: var(--purple-200); }
.nav-links a.active { color: #ffffff; font-weight: 700; }
.nav-dropdown-btn { background: none; border: none; cursor: pointer; display: flex; align-items: center; gap: 0.25rem; font-size: inherit; font-family: inherit; }
.qrcode-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.75rem;
    width: 10rem;
    background-color: #ffffff;
    border-radius: 1rem;
    padding: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 2px solid var(--purple-200);
    z-index: 50;
    text-align: center;
}
.qrcode-dropdown.hidden { display: none; }
.qrcode-dropdown img { width: 100%; height: auto; border-radius: 0.75rem; object-fit: contain; border: 1px solid #f1f5f9; padding: 0.25rem; }

.btn-nav-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    text-decoration: none;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
}
.btn-nav-download:hover { background-color: rgba(255, 255, 255, 0.2); }
.btn-nav-download:active { transform: scale(0.95); }

/* ==========================================================================
   4. Hero 区域
   ========================================================================== */
.hero-header { color: #ffffff; position: relative; overflow: hidden; }
.hero-bg-blur-1 { position: absolute; top: 25%; left: 2.5rem; width: 10rem; height: 10rem; background-color: rgba(96, 165, 250, 0.2); border-radius: 9999px; filter: blur(48px); pointer-events: none; }
.hero-bg-blur-2 { position: absolute; bottom: 2.5rem; right: 33.333%; width: 16rem; height: 16rem; background-color: rgba(192, 132, 252, 0.2); border-radius: 9999px; filter: blur(48px); pointer-events: none; }
.hero-bg-blur-3 { position: absolute; top: 3rem; right: 3rem; width: 6rem; height: 6rem; background-color: rgba(244, 114, 182, 0.3); border-radius: 9999px; filter: blur(32px); pointer-events: none; }

.hero-content { padding-top: 3rem; padding-bottom: 5rem; position: relative; z-index: 10; }
@media (min-width: 1024px) { .hero-content { padding-top: 5rem; padding-bottom: 9rem; } }

.hero-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 1024px) {
    .hero-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .hero-left-col { grid-column: span 6 / span 6; }
    .hero-right-col { grid-column: span 6 / span 6; }
}

.hero-text-block { text-align: center; }
@media (min-width: 1024px) { .hero-text-block { text-align: left; } }

.hero-title { font-size: 2.25rem; line-height: 1.2; font-weight: 900; color: #ffffff; letter-spacing: -0.025em; margin: 0; }
@media (min-width: 640px) { .hero-title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero-title { font-size: 3.75rem; } }

.text-gradient-gold {
    background: linear-gradient(to right, #fcd34d, #fbcfe8, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(88, 28, 135, 0.5);
    backdrop-filter: blur(4px);
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    color: var(--purple-200);
    margin-top: 1rem;
}
@media (min-width: 640px) { .cert-badge { font-size: 0.875rem; } }
.cert-badge img { height: 1rem; width: auto; object-fit: contain; }

.hero-stats-group { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem; padding-top: 1.5rem; }
@media (min-width: 640px) { .hero-stats-group { gap: 1.5rem; } }
@media (min-width: 1024px) { .hero-stats-group { justify-content: flex-start; } }

.stat-circle {
    width: 7rem;
    height: 7rem;
    border-radius: 9999px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}
@media (min-width: 640px) { .stat-circle { width: 8rem; height: 8rem; } }
.stat-circle:hover { transform: scale(1.05); }
.stat-num { font-size: 1.5rem; font-weight: 800; color: #ffffff; }
@media (min-width: 640px) { .stat-num { font-size: 1.875rem; } }
.stat-num span { font-size: 0.75rem; font-weight: 400; }
@media (min-width: 640px) { .stat-num span { font-size: 0.875rem; } }
.stat-label { font-size: 11px; color: var(--purple-200); margin-top: 0.125rem; }
@media (min-width: 640px) { .stat-label { font-size: 0.75rem; } }

.hero-btn-group { display: flex; flex-direction: column; gap: 1rem; padding-top: 1rem; }
@media (min-width: 640px) { .hero-btn-group { flex-direction: row; align-items: center; } }
@media (min-width: 1024px) { .hero-btn-group { justify-content: flex-start; } }

.btn-primary-white {
    width: 100%;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: #ffffff;
    color: #1e1b4b;
    font-weight: 800;
    padding: 1rem 2rem;
    border-radius: 9999px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    text-decoration: none;
    transition: all 0.2s;
}
@media (min-width: 640px) { .btn-primary-white { width: auto; } }
.btn-primary-white:hover { background-color: #faf5ff; }
.btn-primary-white:active { transform: scale(0.95); }

.btn-badge-tag {
    position: absolute;
    top: -0.625rem;
    right: 1.5rem;
    background: linear-gradient(to right, #f59e0b, #f97316);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
}

.btn-secondary-glass {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 9999px;
    backdrop-filter: blur(4px);
    text-decoration: none;
    transition: all 0.2s;
}
@media (min-width: 640px) { .btn-secondary-glass { width: auto; } }
.btn-secondary-glass:hover { background-color: rgba(255, 255, 255, 0.2); }
.btn-secondary-glass:active { transform: scale(0.95); }

/* 右侧加速球动效 */
.hero-device-wrapper { position: relative; width: 100%; max-width: 42rem; transform: scale(1.1); }
.hero-device-img { width: 100%; height: auto; filter: drop-shadow(0 25px 25px rgb(0 0 0 / 0.15)); position: relative; z-index: 10; object-fit: contain; }

.speed-ball-container {
    position: absolute;
    left: 7%;
    top: 56%;
    transform: translate(-40px, -50%);
    z-index: 20;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36%;
    height: 46%;
}

.outer-ring-1 {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 7rem;
    height: 7rem;
    border-radius: 42%;
    background: linear-gradient(to top right, rgba(244, 63, 94, 0.4), rgba(244, 114, 182, 0.3));
    filter: blur(1px);
    transition: all 0.5s;
}
.outer-ring-2 {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8rem;
    height: 8rem;
    border-radius: 46%;
    background: linear-gradient(to bottom left, rgba(244, 114, 182, 0.25), rgba(225, 29, 72, 0.2));
    filter: blur(2px);
    transition: all 0.5s;
}
@media (min-width: 640px) {
    .outer-ring-1 { width: 8rem; height: 8rem; }
    .outer-ring-2 { width: 9.5rem; height: 9.5rem; }
}

.main-speed-ball {
    position: relative;
    z-index: 10;
    width: 5rem;
    height: 5rem;
    border-radius: 9999px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.5s;
}
@media (min-width: 640px) { .main-speed-ball { width: 6rem; height: 6rem; } }

.ball-state-countdown { background: linear-gradient(to top right, #f43f5e, #ec4899); box-shadow: 0 0 20px rgba(244, 63, 94, 0.7); }
.ball-state-active { background: linear-gradient(to top right, #38bdf8, #2563eb); box-shadow: 0 0 25px rgba(56, 189, 248, 0.8); }

.speed-ball-num { font-size: 1.25rem; font-weight: 900; color: #ffffff; letter-spacing: 0.1em; }
@media (min-width: 640px) { .speed-ball-num { font-size: 1.5rem; } }
.speed-ball-text-active { font-size: 10px; font-weight: 800; color: #ffffff; letter-spacing: 0.05em; }
@media (min-width: 640px) { .speed-ball-text-active { font-size: 0.75rem; } }

.hero-wave { width: 100%; overflow: hidden; line-height: 0; position: relative; z-index: 10; margin-bottom: -1px; }
.hero-wave svg { position: relative; display: block; width: 100%; height: 4rem; color: #ffffff; fill: currentColor; }
@media (min-width: 640px) { .hero-wave svg { height: 6rem; } }

/* ==========================================================================
   5. 通用区块与标题样式
   ========================================================================== */
.section-padding { padding-top: 4rem; padding-bottom: 4rem; }
@media (min-width: 640px) { .section-padding { padding-top: 6rem; padding-bottom: 6rem; } }

.section-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-slate-900);
    letter-spacing: -0.025em;
    text-align: center;
    margin: 0;
}
@media (min-width: 640px) { .section-title { font-size: 2.25rem; } }

.flex-center { display: flex; justify-content: center; align-items: center; }
.text-center { text-align: center; }
.mb-12 { margin-bottom: 3rem; }
.bg-white { background-color: #ffffff; }
.bg-slate-50 { background-color: var(--bg-slate-50, #f8fafc); }

/* 全球热门应用 Banner */
.app-banner-wrapper { position: relative; max-width: 72rem; width: 100%; padding: 0 1rem; }
.app-banner-img { width: 100%; height: auto; margin: 0 auto; object-fit: contain; }

/* ==========================================================================
   6. 火爆卖点区域 (Features Section) - Flexbox 完美居中与反转布局
   ========================================================================== */
.feature-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    width: 100%;
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(to right, #9333ea, #4f46e5);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.feature-title {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--text-slate-900);
    letter-spacing: -0.025em;
    line-height: 1.25;
    margin: 0;
}

.feature-desc {
    font-size: 1rem;
    color: var(--text-slate-600);
    line-height: 1.625;
    max-width: 36rem;
    margin: 0 auto;
}

.feature-img-box {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.feature-img-box img {
    width: 100%;
    height: auto;
    border-radius: 1.5rem;
    object-fit: cover;
    filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.feature-img-box img:hover { transform: scale(1.02); }

@media (min-width: 1024px) {
    .feature-grid {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .feature-grid.feature-reverse { flex-direction: row-reverse; }
    .feature-content, .feature-img-box { flex: 1; max-width: 50%; }
    .feature-content { text-align: left; }
    .feature-title { font-size: 3rem; }
    .feature-desc { font-size: 1.125rem; margin-left: 0; margin-right: 0; }
}

/* ==========================================================================
   7. 资讯图文动态区域 (3列×2行 纯图文标题卡片) 专属样式
   ========================================================================== */
.news-header-center {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 3.5rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.news-subtitle {
    font-size: 1rem;
    color: var(--text-slate-600);
    line-height: 1.6;
    margin: 0;
}
@media (min-width: 640px) {
    .news-subtitle { font-size: 1.125rem; }
}

/* 3列网格响应式布局 */
.news-grid-6 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 640px) {
    .news-grid-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .news-grid-6 { grid-template-columns: repeat(3, 1fr); }
}

/* 简洁卡片容器 */
.news-card {
    background-color: #ffffff;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
    border: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 35px -10px rgba(108, 60, 233, 0.12);
    border-color: var(--purple-200);
}

/* 缩略图固定比例 */
.news-img-wrap {
    position: relative;
    width: 100%;
    height: 13rem;
    overflow: hidden;
    background-color: var(--bg-slate-50);
}
.news-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-card:hover .news-img-wrap img {
    transform: scale(1.06);
}

.news-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(to right, #9333ea, #4f46e5);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

/* 内容区块：只保留标题与元信息 */
.news-content {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    background-color: #ffffff;
}

.news-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.5;
    margin: 0;
    /* 标题最多显示2行 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-title a {
    color: var(--text-slate-900);
    text-decoration: none;
    transition: color 0.2s;
}
.news-card-title a:hover {
    color: var(--color-brand-purple);
}

/* 底部元信息栏 */
.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-slate-400);
    padding-top: 0.75rem;
    border-top: 1px dashed #f1f5f9;
}
.news-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* ==========================================================================
   8. 用户评价区域 (Reviews)
   ========================================================================== */
.reviews-wrapper { position: relative; max-width: 56rem; margin-left: auto; margin-right: auto; }
.reviews-container { display: flex; gap: 1.5rem; overflow-x: auto; padding-top: 1rem; padding-bottom: 1rem; scroll-behavior: smooth; }
.review-card {
    min-width: 290px;
    background-color: #ffffff;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    flex-shrink: 0;
}
@media (min-width: 640px) { .review-card { min-width: 380px; } }
.review-stars { color: #fbbf24; font-size: 0.875rem; }
.review-text { font-size: 0.875rem; color: var(--text-slate-700); line-height: 1.625; }
.review-user { display: flex; align-items: center; gap: 0.75rem; padding-top: 0.5rem; border-top: 1px solid #f1f5f9; }
.review-avatar { width: 2.5rem; height: 2.5rem; border-radius: 9999px; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 0.875rem; }

.review-nav-btns { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: 2rem; }
.review-btn {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 9999px;
    background-color: #ffffff;
    border: none;
    color: var(--text-slate-700);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.2s;
}
.review-btn:hover { background-color: #f1f5f9; }
.review-btn:active { transform: scale(0.95); }

/* ==========================================================================
   9. 下载区域 (Download Grid)
   ========================================================================== */
.download-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; max-width: 64rem; margin: 0 auto; }
@media (min-width: 640px) { .download-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .download-grid { grid-template-columns: repeat(4, 1fr); } }

.download-card {
    background-color: var(--bg-slate-50);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s;
}
.download-card:hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); }
.download-icon-box { height: 8rem; display: flex; align-items: center; justify-content: center; transition: transform 0.3s; }
.download-card:hover .download-icon-box { transform: scale(1.1); }
.btn-download-action {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(to right, #9333ea, #4f46e5);
    color: #ffffff;
    font-weight: 700;
    padding: 0.75rem 1rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    transition: opacity 0.2s;
}
.btn-download-action:hover { opacity: 0.95; }

/* ==========================================================================
   10. 动效定义 (Animations)
   ========================================================================== */
@keyframes floatAnim { 0%, 100% { transform: translateY(0px); } 50% { transform: translateY(-10px); } }
@keyframes orbitRotateAnim { 0% { transform: translate(-50%, -50%) rotate(0deg) scale(1); } 50% { transform: translate(-50%, -50%) rotate(180deg) scale(1.04); } 100% { transform: translate(-50%, -50%) rotate(360deg) scale(1); } }
@keyframes counterRotateAnim { 0% { transform: translate(-50%, -50%) rotate(360deg) scale(1.04); } 50% { transform: translate(-50%, -50%) rotate(180deg) scale(0.96); } 100% { transform: translate(-50%, -50%) rotate(0deg) scale(1.04); } }
@keyframes bounceAnim { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@keyframes pulseScaleFastAnim { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

.animate-float-custom { animation: floatAnim 5s ease-in-out infinite; }
.animate-orbit-custom { animation: orbitRotateAnim 5s linear infinite; }
.animate-counter-custom { animation: counterRotateAnim 7s linear infinite; }
.animate-bounce-custom { animation: bounceAnim 1s ease-in-out infinite; }
.animate-pulse-scale-fast { animation: pulseScaleFastAnim 2s ease-in-out infinite; }
/* ==========================================================================
   11. 页脚 (Footer) 基础样式与对齐保障
   ========================================================================== */
footer, .footer {
    background-color: var(--bg-slate-900, #0f172a);
    color: var(--text-slate-400, #94a3b8);
    padding: 3rem 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

footer a, .footer a {
    color: var(--purple-200, #e9d5ff);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover, .footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}