/* ============================================================
   AppStore 主题样式
   ============================================================ */

/* ============================================================
   1. CSS 变量 & 基础重置
   ============================================================ */
:root {
    --as-primary: #2563eb;
    --as-primary-dark: #1d4ed8;
    --as-accent: #f59e0b;
    --as-accent-dark: #d97706;
    --as-success: #16a34a;
    --as-danger: #dc2626;
    --as-dark: #0f172a;
    --as-gray-50: #f8fafc;
    --as-gray-100: #f1f5f9;
    --as-gray-200: #e2e8f0;
    --as-gray-300: #cbd5e1;
    --as-gray-400: #94a3b8;
    --as-gray-600: #475569;
    --as-text: #1e293b;
    --as-radius: 12px;
    --as-radius-sm: 8px;
    --as-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --as-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --as-shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.1);
    --as-transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body.as-body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, system-ui, sans-serif;
    color: var(--as-text);
    background: #fff;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--as-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

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

/* ============================================================
   2. Header（含品牌、导航、搜索、用户）
   ============================================================ */
.as-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--as-gray-200);
}

.as-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}

/* ---------- 品牌 ---------- */
.as-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
    color: inherit;
}

.as-brand:hover {
    text-decoration: none;
}

.as-brand-img {
    display: block;
    height: 36px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.as-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.as-brand-name {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--as-dark);
    letter-spacing: -0.3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.as-brand-sub {
    font-size: 0.72rem;
    color: var(--as-gray-400);
    letter-spacing: 0.3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

/* ---------- 导航（系统菜单渲染） ---------- */
.as-nav-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    min-width: 0;
}

.as-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.as-nav > li {
    position: relative;
}

.as-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    color: var(--as-gray-600);
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: var(--as-radius-sm);
    text-decoration: none;
    transition: background var(--as-transition), color var(--as-transition);
    white-space: nowrap;
}

.as-nav-link:hover {
    background: var(--as-gray-100);
    color: var(--as-primary);
    text-decoration: none;
}

.as-nav-caret {
    font-size: 0.65rem;
    opacity: 0.6;
    transition: transform var(--as-transition);
}

.as-nav > li:hover > .as-nav-link .as-nav-caret {
    transform: rotate(180deg);
}

/* ---------- 二级菜单（悬停） ---------- */
.as-nav-sub {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    padding: 6px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s, transform 0.15s;
    z-index: 250;
}

.as-nav > li:hover > .as-nav-sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.as-nav-sub::before {
    content: '';
    position: absolute;
    top: -7px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #fff;
    border-left: 1px solid var(--as-gray-200);
    border-top: 1px solid var(--as-gray-200);
}

.as-nav-sub .as-nav-link {
    display: block;
    padding: 9px 18px;
    border-radius: 0;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--as-gray-600);
}

.as-nav-sub .as-nav-link:hover {
    background: var(--as-gray-50);
    color: var(--as-primary);
}

/* ---------- 右侧操作区 ---------- */
.as-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* 搜索框 */
.as-search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.as-search-input {
    width: 220px;
    padding: 9px 42px 9px 14px;
    border: 1px solid var(--as-gray-200);
    border-radius: 20px;
    font-size: 0.88rem;
    background: var(--as-gray-50);
    outline: none;
    transition: border-color var(--as-transition), background var(--as-transition), box-shadow var(--as-transition);
    font-family: inherit;
    color: var(--as-text);
}

.as-search-input:focus {
    border-color: var(--as-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.as-search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--as-gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--as-transition), background var(--as-transition);
}

.as-search-btn:hover {
    color: var(--as-primary);
    background: var(--as-gray-100);
}

/* 登录按钮（无下拉时用） */
.as-login-btn {
    padding: 9px 22px;
    background: var(--as-primary);
    color: #fff;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--as-transition);
}

.as-login-btn:hover {
    background: var(--as-primary-dark);
    color: #fff;
    text-decoration: none;
}

/* ---------- 用户下拉（悬停 + 点击） ---------- */
.as-user-dropdown-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.as-user-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.as-user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--as-primary), var(--as-primary-dark));
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: transform var(--as-transition), box-shadow var(--as-transition);
}

.as-user-avatar-guest {
    background: var(--as-gray-100);
    color: var(--as-gray-600);
}

.as-user-trigger:hover .as-user-avatar {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.as-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 240px;
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.14);
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.15s, visibility 0.15s, transform 0.15s;
    z-index: 300;
}

.as-user-dropdown::before {
    content: '';
    position: absolute;
    top: -7px;
    right: 14px;
    width: 12px;
    height: 12px;
    background: #fff;
    border-left: 1px solid var(--as-gray-200);
    border-top: 1px solid var(--as-gray-200);
    transform: rotate(45deg);
}

/* 悬停或点击展开 */
.as-user-dropdown-wrap:hover .as-user-dropdown,
.as-user-dropdown-wrap.is-open .as-user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 防止悬停区域断开 */
.as-user-dropdown-wrap::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    height: 8px;
    background: transparent;
}

.as-user-info {
    padding: 14px 16px;
    border-bottom: 1px solid var(--as-gray-200);
}

.as-user-name {
    font-weight: 600;
    color: var(--as-dark);
    font-size: 0.95rem;
    word-break: break-all;
}

.as-user-email {
    font-size: 0.82rem;
    color: var(--as-gray-400);
    margin-top: 2px;
    word-break: break-all;
}

.as-user-actions {
    padding: 6px;
}

.as-user-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    color: var(--as-gray-600);
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: var(--as-radius-sm);
    transition: background var(--as-transition);
}

.as-user-action:hover {
    background: var(--as-gray-100);
    color: var(--as-dark);
    text-decoration: none;
}

.as-user-action-danger {
    color: var(--as-danger);
}

.as-user-action-danger:hover {
    background: #fee2e2;
    color: #991b1b;
}

.as-user-action-primary {
    background: var(--as-primary);
    color: #fff;
    justify-content: center;
    text-align: center;
}

.as-user-action-primary:hover {
    background: var(--as-primary-dark);
    color: #fff;
}

/* ---------- 移动端汉堡 ---------- */
.as-mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--as-radius-sm);
}

.as-mobile-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--as-gray-600);
    margin: 0 auto;
    transition: all var(--as-transition);
}

.as-mobile-menu {
    display: none;
    padding: 12px 24px;
    border-top: 1px solid var(--as-gray-200);
    background: #fff;
    flex-direction: column;
    gap: 4px;
}

.as-mobile-menu a {
    padding: 10px 12px;
    color: var(--as-gray-600);
    border-radius: var(--as-radius-sm);
    text-decoration: none;
    font-size: 0.92rem;
}

.as-mobile-menu a:hover {
    background: var(--as-gray-100);
    text-decoration: none;
}

.as-mobile-menu.open {
    display: flex;
}

/* ============================================================
   3. Hero
   ============================================================ */
.as-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 80px 24px 100px;
    position: relative;
    overflow: hidden;
}

.as-hero::before {
    content: '';
    position: absolute;
    inset: -50%;
    background:
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.3), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(245, 158, 11, 0.2), transparent 45%);
    animation: asHeroGlow 20s ease-in-out infinite alternate;
}

@keyframes asHeroGlow {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(3%, 2%) scale(1.1); }
}

.as-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: center;
}

.as-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.as-hero-title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.as-hero-highlight {
    background: linear-gradient(135deg, #60a5fa, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.as-hero-sub {
    font-size: 1.05rem;
    color: #cbd5e1;
    margin-bottom: 32px;
    line-height: 1.7;
}

.as-hero-search {
    display: flex;
    max-width: 480px;
    margin-bottom: 32px;
    background: #fff;
    border-radius: var(--as-radius);
    padding: 6px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.as-hero-search input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--as-radius-sm);
    font-size: 0.95rem;
    outline: none;
    font-family: inherit;
    color: var(--as-text);
    background: transparent;
}

.as-hero-search button {
    padding: 12px 28px;
    background: var(--as-primary);
    color: #fff;
    border: none;
    border-radius: var(--as-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background var(--as-transition);
}

.as-hero-search button:hover {
    background: var(--as-primary-dark);
}

.as-hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.as-stat-num {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
}

.as-stat-label {
    font-size: 0.85rem;
    color: #94a3b8;
}

.as-hero-decor {
    position: relative;
    height: 320px;
}

.as-decor-card {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: asFloat 6s ease-in-out infinite;
}

.as-decor-1 { top: 0; left: 10%; animation-delay: 0s; }
.as-decor-2 { top: 20%; right: 0; animation-delay: 1.5s; }
.as-decor-3 { bottom: 10%; left: 0; animation-delay: 3s; }
.as-decor-4 { bottom: 0; right: 20%; animation-delay: 4.5s; }

@keyframes asFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-20px); }
}

/* ============================================================
   4. Section 通用
   ============================================================ */
.as-section {
    padding: 64px 0;
}

.as-section-alt {
    background: var(--as-gray-50);
}

.as-section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}

.as-section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--as-dark);
    letter-spacing: -0.3px;
}

.as-section-more {
    color: var(--as-primary);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
}

.as-section-more:hover {
    text-decoration: underline;
}

/* ============================================================
   5. 分类卡片
   ============================================================ */
.as-cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.as-cat-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    text-decoration: none;
    color: var(--as-text);
    transition: border-color var(--as-transition), box-shadow var(--as-transition), transform var(--as-transition);
}

.as-cat-card:hover {
    border-color: var(--as-primary);
    box-shadow: var(--as-shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
}

.as-cat-name {
    flex: 1;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--as-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.as-cat-arrow {
    color: var(--as-gray-400);
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* ============================================================
   6. 应用卡片
   ============================================================ */
.as-app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.as-app-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    text-decoration: none;
    color: var(--as-text);
    transition: transform var(--as-transition), box-shadow var(--as-transition), border-color var(--as-transition);
}

.as-app-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--as-shadow-lg);
    border-color: var(--as-primary);
    text-decoration: none;
}

.as-app-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    background: var(--as-gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 16px;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--as-gray-100);
}

.as-app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.as-app-body {
    flex: 1;
}

.as-app-name {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.as-app-meta {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--as-gray-400);
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.as-app-cat {
    color: var(--as-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.as-app-rating {
    color: var(--as-accent);
    white-space: nowrap;
}

.as-app-dl {
    color: var(--as-gray-400);
    white-space: nowrap;
}

.as-app-desc {
    font-size: 0.85rem;
    color: var(--as-gray-600);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.as-app-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 2px 10px;
    background: var(--as-accent);
    color: #fff;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
}

.as-app-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 12px;
    margin-top: 12px;
    border-top: 1px dashed var(--as-gray-200);
    color: var(--as-gray-400);
    font-size: 0.82rem;
}

/* ============================================================
   7. 热门榜
   ============================================================ */
.as-hot-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    padding: 8px;
}

.as-hot-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--as-radius-sm);
    text-decoration: none;
    color: var(--as-text);
    transition: background var(--as-transition);
}

.as-hot-item:hover {
    background: var(--as-gray-50);
    text-decoration: none;
}

.as-hot-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: var(--as-radius-sm);
    background: var(--as-gray-100);
    color: var(--as-gray-600);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.as-hot-rank-1 {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.as-hot-rank-2 {
    background: linear-gradient(135deg, #94a3b8, #64748b);
    color: #fff;
}

.as-hot-rank-3 {
    background: linear-gradient(135deg, #b45309, #92400e);
    color: #fff;
}

.as-hot-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--as-gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid var(--as-gray-100);
}

.as-hot-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.as-hot-info {
    flex: 1;
    min-width: 0;
}

.as-hot-name {
    font-weight: 600;
    color: var(--as-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.as-hot-meta {
    font-size: 0.8rem;
    color: var(--as-gray-400);
}

.as-hot-arrow {
    color: var(--as-gray-400);
}

/* ============================================================
   8. 列表页（/apps 和 /category/*）
   ============================================================ */
.as-page-head {
    background: var(--as-gray-50);
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--as-gray-200);
}

.as-breadcrumb {
    display: flex;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--as-gray-400);
    margin-bottom: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.as-breadcrumb a {
    color: var(--as-gray-600);
}

.as-breadcrumb a:hover {
    color: var(--as-primary);
}

.as-breadcrumb-current {
    color: var(--as-text);
    font-weight: 500;
}

.as-page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.as-page-sub {
    color: var(--as-gray-600);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ---------- 筛选条 ---------- */
.as-filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid var(--as-gray-200);
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.as-filter-cats {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.as-filter-cat {
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.88rem;
    color: var(--as-gray-600);
    text-decoration: none;
    transition: background var(--as-transition), color var(--as-transition);
    white-space: nowrap;
}

.as-filter-cat:hover {
    background: var(--as-gray-100);
    text-decoration: none;
}

.as-filter-cat.active {
    background: var(--as-primary);
    color: #fff;
}

.as-filter-sort {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.88rem;
    color: var(--as-gray-400);
    flex-wrap: wrap;
}

.as-sort-link {
    padding: 6px 14px;
    border-radius: var(--as-radius-sm);
    color: var(--as-gray-600);
    text-decoration: none;
    transition: background var(--as-transition), color var(--as-transition);
}

.as-sort-link:hover {
    background: var(--as-gray-100);
    text-decoration: none;
}

.as-sort-link.active {
    background: var(--as-primary);
    color: #fff;
}

/* ---------- 分页 ---------- */
.as-pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
    align-items: center;
}

.as-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius-sm);
    color: var(--as-primary);
    font-size: 0.9rem;
    text-decoration: none;
    background: #fff;
    transition: background var(--as-transition);
}

.as-page-link:hover {
    background: var(--as-gray-50);
    text-decoration: none;
}

.as-page-link.active {
    background: var(--as-primary);
    color: #fff;
    border-color: var(--as-primary);
}

.as-page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    color: var(--as-gray-400);
    font-size: 0.9rem;
}

/* ============================================================
   9. 空状态
   ============================================================ */
.as-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--as-gray-400);
}

.as-empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

.as-empty-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--as-text);
    margin-bottom: 6px;
}

.as-empty-sub {
    font-size: 0.95rem;
    margin-bottom: 24px;
    color: var(--as-gray-600);
    line-height: 1.7;
}

.as-btn {
    display: inline-block;
    padding: 11px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--as-transition), color var(--as-transition);
}

.as-btn-primary {
    background: var(--as-primary);
    color: #fff;
}

.as-btn-primary:hover {
    background: var(--as-primary-dark);
    color: #fff;
    text-decoration: none;
}

.as-btn-ghost {
    background: var(--as-gray-100);
    color: var(--as-gray-600);
}

.as-btn-ghost:hover {
    background: var(--as-gray-200);
    color: var(--as-dark);
    text-decoration: none;
}

/* ============================================================
   10. 应用详情页
   ============================================================ */
.as-app-page {
    padding: 40px 0 80px;
    background: var(--as-gray-50);
    min-height: 60vh;
}

/* ---------- 顶部概览 ---------- */
.as-app-hero {
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    padding: 32px;
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: start;
}

.as-app-hero-main {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.as-app-hero-icon {
    width: 96px;
    height: 96px;
    border-radius: 20px;
    background: var(--as-gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--as-gray-100);
}

.as-app-hero-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.as-app-hero-info {
    flex: 1;
    min-width: 0;
}

.as-app-hero-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
    line-height: 1.3;
}

.as-app-hero-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    font-size: 0.9rem;
    align-items: center;
}

.as-app-cat-link {
    color: var(--as-primary);
    font-weight: 500;
}

.as-meta-item {
    color: var(--as-gray-600);
}

.as-meta-rating {
    color: var(--as-accent);
    font-weight: 600;
}

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

.as-hero-stat-num {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--as-dark);
}

.as-hero-stat-label {
    font-size: 0.82rem;
    color: var(--as-gray-400);
}

.as-app-hero-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
    min-width: 200px;
}

.as-download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--as-primary);
    color: #fff;
    border-radius: var(--as-radius);
    text-decoration: none;
    transition: background var(--as-transition), transform var(--as-transition), box-shadow var(--as-transition);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.as-download-btn:hover {
    background: var(--as-primary-dark);
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
}

.as-download-icon {
    font-size: 1.5rem;
}

.as-download-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.4;
}

.as-download-main {
    font-weight: 700;
    font-size: 1.05rem;
}

.as-download-sub {
    font-size: 0.8rem;
    opacity: 0.85;
}

.as-app-banner img {
    border-radius: 10px;
    display: block;
}

/* ---------- 布局：左内容 + 右侧栏 ---------- */
.as-app-body-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    align-items: start;
}

.as-block {
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    padding: 24px 28px;
    margin-bottom: 20px;
}

.as-block-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.as-rich-content {
    color: var(--as-gray-600);
    line-height: 1.85;
    font-size: 0.95rem;
    word-break: break-word;
}

/* ---------- 截图 ---------- */
.as-screenshots {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.as-screenshot {
    flex-shrink: 0;
    width: 240px;
    height: 160px;
    border-radius: var(--as-radius-sm);
    overflow: hidden;
    border: 1px solid var(--as-gray-200);
    background: var(--as-gray-50);
    cursor: zoom-in;
    transition: transform var(--as-transition);
}

.as-screenshot:hover {
    transform: scale(1.02);
}

.as-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- 版本历史 ---------- */
.as-versions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.as-version-item {
    padding: 14px 18px;
    background: var(--as-gray-50);
    border-radius: var(--as-radius-sm);
}

.as-version-head {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.as-version-num {
    font-weight: 700;
    color: var(--as-dark);
    font-size: 0.95rem;
}

.as-version-size {
    color: var(--as-gray-400);
    font-size: 0.82rem;
}

.as-version-date {
    color: var(--as-gray-400);
    font-size: 0.82rem;
    margin-left: auto;
}

.as-version-dl {
    color: var(--as-primary);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
}

.as-version-dl:hover {
    text-decoration: underline;
}

.as-version-changelog {
    color: var(--as-gray-600);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ---------- 右侧栏 ---------- */
.as-app-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 90px;
}

.as-sidebar-card {
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: var(--as-radius);
    padding: 20px 22px;
}

.as-sidebar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 14px;
}

.as-info-list {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px 12px;
    font-size: 0.88rem;
}

.as-info-list dt {
    color: var(--as-gray-400);
}

.as-info-list dd {
    color: var(--as-text);
    font-weight: 500;
    word-break: break-all;
}

.as-widget-area {
    padding: 18px 20px;
}

/* ============================================================
   11. 404 页面
   ============================================================ */
.as-page-404 {
    padding: 120px 0;
    background: var(--as-gray-50);
    min-height: 60vh;
}

.as-404-content {
    text-align: center;
}

.as-404-code {
    font-size: 8rem;
    font-weight: 800;
    line-height: 1;
    color: var(--as-gray-200);
    margin-bottom: 16px;
    letter-spacing: -4px;
}

.as-404-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 12px;
}

.as-404-sub {
    color: var(--as-gray-600);
    margin-bottom: 32px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.as-404-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================
   12. 页脚
   ============================================================ */
.as-footer-widgets {
    background: var(--as-gray-50);
    padding: 40px 0;
    border-top: 1px solid var(--as-gray-200);
}

.as-footer {
    background: var(--as-dark);
    color: var(--as-gray-400);
    padding: 60px 24px 24px;
}

.as-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.as-footer-brand {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.as-footer-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--as-primary), var(--as-primary-dark));
    font-size: 1.3rem;
    flex-shrink: 0;
}

.as-footer-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.as-footer-slogan {
    font-size: 0.88rem;
    color: #64748b;
}

.as-footer-links h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
}

.as-footer-links ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.as-footer-links a {
    color: var(--as-gray-400);
    font-size: 0.88rem;
    text-decoration: none;
    transition: color var(--as-transition);
}

.as-footer-links a:hover {
    color: #fff;
    text-decoration: none;
}

.as-footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #475569;
}

/* ============================================================
   13. Toast
   ============================================================ */
.as-toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.as-toast {
    padding: 14px 24px;
    background: rgba(15, 23, 42, 0.95);
    color: #fff;
    border-radius: 10px;
    font-size: 0.92rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--as-primary);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.25s, transform 0.25s;
    pointer-events: auto;
    max-width: 500px;
}

.as-toast.show {
    opacity: 1;
    transform: translateY(0);
}

.as-toast.error {
    border-left-color: var(--as-danger);
}

.as-toast.success {
    border-left-color: var(--as-success);
}

/* ============================================================
   14. 响应式（平板 ≤900px）
   ============================================================ */
@media (max-width: 900px) {
    .as-hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .as-hero-decor {
        display: none;
    }

    .as-nav-wrap {
        display: none;
    }

    .as-search-form {
        display: none;
    }

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

    .as-app-hero {
        grid-template-columns: 1fr;
    }

    .as-app-hero-actions {
        flex-direction: row;
        align-items: stretch;
    }

    .as-download-btn {
        flex: 1;
    }

    .as-app-body-layout {
        grid-template-columns: 1fr;
    }

    .as-app-sidebar {
        position: static;
    }

    .as-footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .as-footer-brand {
        grid-column: 1 / -1;
    }
}

/* ============================================================
   15. 响应式（手机 ≤600px）
   ============================================================ */
@media (max-width: 600px) {
    .as-container {
        padding: 0 16px;
    }

    .as-header-inner {
        padding: 10px 16px;
        gap: 12px;
    }

    .as-brand-sub {
        display: none;
    }

    .as-brand-name {
        font-size: 1.05rem;
    }

    .as-hero {
        padding: 60px 16px 70px;
    }

    .as-hero-title {
        font-size: 1.8rem;
    }

    .as-hero-sub {
        font-size: 0.95rem;
    }

    .as-hero-stats {
        gap: 24px;
    }

    .as-stat-num {
        font-size: 1.3rem;
    }

    .as-section {
        padding: 40px 0;
    }

    .as-section-title {
        font-size: 1.3rem;
    }

    .as-app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .as-app-card {
        padding: 14px;
    }

    .as-app-icon {
        width: 48px;
        height: 48px;
        border-radius: 10px;
        font-size: 1.5rem;
        margin-bottom: 12px;
    }

    .as-app-name {
        font-size: 0.9rem;
    }

    .as-app-desc {
        display: none;
    }

    .as-app-hero {
        padding: 20px;
    }

    .as-app-hero-main {
        flex-direction: column;
        gap: 16px;
    }

    .as-app-hero-icon {
        width: 72px;
        height: 72px;
        border-radius: 16px;
        font-size: 2rem;
    }

    .as-app-hero-name {
        font-size: 1.4rem;
    }

    .as-app-hero-stats {
        gap: 20px;
    }

    .as-hero-stat-num {
        font-size: 1.1rem;
    }

    .as-block {
        padding: 18px 20px;
    }

    .as-footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .as-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .as-page-title {
        font-size: 1.5rem;
    }

    .as-screenshot {
        width: 200px;
        height: 130px;
    }

    .as-404-code {
        font-size: 5rem;
    }

    .as-user-dropdown {
        min-width: 220px;
        right: -8px;
    }
}

/* ============================================================
   16. 登录 / 注册页
   ============================================================ */
.as-auth-page {
    min-height: 60vh;
    padding: 80px 24px 100px;
    background: linear-gradient(180deg, var(--as-gray-50) 0%, #fff 100%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.as-auth-card {
    width: 100%;
    max-width: 440px;
    background: #fff;
    border: 1px solid var(--as-gray-200);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
    padding: 40px 36px 28px;
}

.as-auth-head {
    text-align: center;
    margin-bottom: 28px;
}

.as-auth-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--as-primary), var(--as-primary-dark));
    font-size: 1.5rem;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.as-auth-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--as-dark);
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.as-auth-sub {
    color: var(--as-gray-600);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ---------- 提示条 ---------- */
.as-auth-alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 18px;
    line-height: 1.6;
}

.as-auth-alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #dc2626;
}

.as-auth-alert-success {
    background: #dcfce7;
    color: #166534;
    border-left: 4px solid #16a34a;
}

.as-auth-alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-left: 4px solid var(--as-primary);
}

.as-auth-notice {
    padding: 10px 14px;
    background: #eff6ff;
    color: #1e40af;
    border-left: 4px solid var(--as-primary);
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

/* ---------- 表单 ---------- */
.as-auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.as-auth-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.as-auth-field label {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--as-dark);
}

.as-auth-req {
    color: #dc2626;
}

.as-auth-field input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--as-gray-200);
    border-radius: 10px;
    font-size: 0.95rem;
    background: #fff;
    color: var(--as-text);
    font-family: inherit;
    outline: none;
    transition: border-color var(--as-transition), box-shadow var(--as-transition);
    box-sizing: border-box;
}

.as-auth-field input:focus {
    border-color: var(--as-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.as-auth-field-hint {
    color: var(--as-gray-400);
    font-size: 0.78rem;
    line-height: 1.5;
}

.as-auth-field-error {
    color: #dc2626;
    font-size: 0.78rem;
    line-height: 1.5;
}

.as-auth-submit {
    width: 100%;
    padding: 13px 24px;
    margin-top: 4px;
    background: var(--as-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 2px;
    transition: background var(--as-transition), transform var(--as-transition), box-shadow var(--as-transition);
    font-family: inherit;
}

.as-auth-submit:hover {
    background: var(--as-primary-dark);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
}

/* ---------- 底部链接 ---------- */
.as-auth-foot {
    text-align: center;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--as-gray-200);
    font-size: 0.9rem;
    color: var(--as-gray-600);
}

.as-auth-foot-muted {
    color: var(--as-gray-400);
}

.as-auth-foot a {
    color: var(--as-primary);
    font-weight: 500;
}

.as-auth-back {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85rem;
}

.as-auth-back a {
    color: var(--as-gray-400);
    font-weight: 400;
    text-decoration: none;
}

.as-auth-back a:hover {
    color: var(--as-primary);
    text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 600px) {
    .as-auth-page {
        padding: 40px 16px 60px;
    }

    .as-auth-card {
        padding: 28px 22px 22px;
        border-radius: 16px;
    }

    .as-auth-title {
        font-size: 1.35rem;
    }

    .as-auth-icon {
        width: 48px;
        height: 48px;
        font-size: 1.3rem;
    }
}