/* ================================================================
   AI Girlfriend Hub — Design System
   Modern AI/SaaS aesthetic · Light & Dark modes
   ================================================================ */

/* ==================== Reset ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ==================== Design Tokens ==================== */
:root {
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ease: cubic-bezier(.25,.46,.45,.94);
    --ease-out: cubic-bezier(.16,1,.3,1);
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.1);
    --shadow-xl: 0 24px 60px rgba(0,0,0,.14);
    --transition-fast: .15s var(--ease);
    --transition: .25s var(--ease);
    --transition-slow: .4s var(--ease-out);
}

/* — Light mode (default) — */
:root, [data-theme="light"] {
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --bg-subtle: #f1f5f9;
    --bg-inset: #e2e8f0;
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --border: rgba(15,23,42,.08);
    --border-strong: rgba(15,23,42,.14);
    --glass: rgba(255,255,255,.7);
    --glass-border: rgba(255,255,255,.8);
    --glass-bg: rgba(248,250,252,.85);

    --text-1: #0f172a;
    --text-2: #475569;
    --text-3: #94a3b8;
    --text-inv: #f8fafc;

    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --primary-subtle: rgba(99,102,241,.08);
    --primary-muted: rgba(99,102,241,.15);
    --primary-glow: rgba(99,102,241,.2);

    --accent: #ec4899;
    --accent-light: #f472b6;
    --accent-subtle: rgba(236,72,153,.08);

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-btn: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-btn-hover: linear-gradient(135deg, #4f46e5, #7c3aed);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #a855f7 40%, #ec4899 100%);
    --gradient-mesh-1: radial-gradient(ellipse 60% 50% at 20% 30%, rgba(99,102,241,.06) 0%, transparent 60%);
    --gradient-mesh-2: radial-gradient(ellipse 50% 40% at 80% 20%, rgba(168,85,247,.05) 0%, transparent 50%);
    --gradient-mesh-3: radial-gradient(ellipse 50% 40% at 50% 80%, rgba(236,72,153,.04) 0%, transparent 50%);

    --tag-chat: #6366f1; --tag-chat-bg: rgba(99,102,241,.1);
    --tag-roleplay: #8b5cf6; --tag-roleplay-bg: rgba(139,92,246,.1);
    --tag-review: #f59e0b; --tag-review-bg: rgba(245,158,11,.1);
    --tag-features: #06b6d4; --tag-features-bg: rgba(6,182,212,.1);
    --tag-guide: #10b981; --tag-guide-bg: rgba(16,185,129,.1);
    --tag-pricing: #ec4899; --tag-pricing-bg: rgba(236,72,153,.1);
    --tag-compare: #f97316; --tag-compare-bg: rgba(249,115,22,.1);

    --feat-1: rgba(99,102,241,.1);  --feat-1c: #6366f1;
    --feat-2: rgba(139,92,246,.1);  --feat-2c: #8b5cf6;
    --feat-3: rgba(236,72,153,.1);  --feat-3c: #ec4899;
    --feat-4: rgba(245,158,11,.1);  --feat-4c: #f59e0b;
    --feat-5: rgba(6,182,212,.1);   --feat-5c: #06b6d4;
    --feat-6: rgba(249,115,22,.1);  --feat-6c: #f97316;

    --card-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
    --card-shadow-hover: 0 8px 32px rgba(99,102,241,.1), 0 2px 8px rgba(0,0,0,.06);
}

/* — Dark mode — */
[data-theme="dark"] {
    --bg: #0b0d13;
    --bg-elevated: #12141c;
    --bg-subtle: #181b25;
    --bg-inset: #1e2130;
    --surface: #151821;
    --surface-hover: #1a1d28;
    --border: rgba(255,255,255,.06);
    --border-strong: rgba(255,255,255,.1);
    --glass: rgba(21,24,33,.75);
    --glass-border: rgba(255,255,255,.08);
    --glass-bg: rgba(15,17,24,.85);

    --text-1: #f1f5f9;
    --text-2: #94a3b8;
    --text-3: #475569;
    --text-inv: #0f172a;

    --primary: #818cf8;
    --primary-hover: #6366f1;
    --primary-light: #a5b4fc;
    --primary-subtle: rgba(129,140,248,.1);
    --primary-muted: rgba(129,140,248,.18);
    --primary-glow: rgba(129,140,248,.15);

    --accent: #f472b6;
    --accent-light: #f9a8d4;
    --accent-subtle: rgba(244,114,182,.1);

    --gradient-primary: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #f472b6 100%);
    --gradient-btn: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-btn-hover: linear-gradient(135deg, #818cf8, #a78bfa);
    --gradient-text: linear-gradient(135deg, #818cf8 0%, #a78bfa 40%, #f472b6 100%);
    --gradient-mesh-1: radial-gradient(ellipse 60% 50% at 20% 30%, rgba(99,102,241,.08) 0%, transparent 60%);
    --gradient-mesh-2: radial-gradient(ellipse 50% 40% at 80% 20%, rgba(168,85,247,.06) 0%, transparent 50%);
    --gradient-mesh-3: radial-gradient(ellipse 50% 40% at 50% 80%, rgba(236,72,153,.05) 0%, transparent 50%);

    --tag-chat: #818cf8; --tag-chat-bg: rgba(129,140,248,.15);
    --tag-roleplay: #a78bfa; --tag-roleplay-bg: rgba(167,139,250,.15);
    --tag-review: #fbbf24; --tag-review-bg: rgba(251,191,36,.12);
    --tag-features: #22d3ee; --tag-features-bg: rgba(34,211,238,.12);
    --tag-guide: #34d399; --tag-guide-bg: rgba(52,211,153,.12);
    --tag-pricing: #f472b6; --tag-pricing-bg: rgba(244,114,182,.12);
    --tag-compare: #fb923c; --tag-compare-bg: rgba(251,146,60,.12);

    --feat-1: rgba(129,140,248,.12); --feat-1c: #818cf8;
    --feat-2: rgba(167,139,250,.12); --feat-2c: #a78bfa;
    --feat-3: rgba(244,114,182,.12); --feat-3c: #f472b6;
    --feat-4: rgba(251,191,36,.1);   --feat-4c: #fbbf24;
    --feat-5: rgba(34,211,238,.1);   --feat-5c: #22d3ee;
    --feat-6: rgba(251,146,60,.1);   --feat-6c: #fb923c;

    --card-shadow: 0 2px 8px rgba(0,0,0,.3), 0 0 1px rgba(255,255,255,.03);
    --card-shadow-hover: 0 12px 40px rgba(99,102,241,.08), 0 0 1px rgba(255,255,255,.06);
}

/* ==================== Base ==================== */
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-1);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background .3s var(--ease), color .3s var(--ease);
}

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

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

/* ==================== Mesh Background ==================== */
.mesh-bg {
    position: fixed; inset: 0; z-index: -1;
    background: var(--gradient-mesh-1), var(--gradient-mesh-2), var(--gradient-mesh-3);
    transition: background .5s var(--ease);
}

/* ==================== Header ==================== */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000; padding: 16px 0;
    transition: all .35s var(--ease);
}

.header.scrolled {
    padding: 10px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--text-1);
    font-weight: 800; font-size: 19px;
}

.logo-icon {
    width: 34px; height: 34px;
    border-radius: 10px; object-fit: contain; flex-shrink: 0;
}

.logo-text {
    letter-spacing: -.4px;
    background: var(--gradient-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.nav-center {
    display: flex; gap: 2px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-link {
    padding: 8px 18px;
    color: var(--text-3); text-decoration: none;
    font-size: 14px; font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.nav-link:hover { color: var(--text-1); }
.nav-link.active {
    color: var(--text-1);
    background: var(--primary-subtle);
}

.nav-right {
    display: flex; align-items: center; gap: 8px;
}

.theme-toggle {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--primary);
    cursor: pointer; font-size: 16px;
    transition: all var(--transition);
}
.theme-toggle:hover {
    background: var(--primary-muted);
    transform: rotate(15deg);
}

.nav-cta {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 20px;
    background: var(--gradient-btn);
    color: white; text-decoration: none;
    font-size: 14px; font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all .3s var(--ease);
    box-shadow: 0 2px 12px var(--primary-glow);
}
.nav-cta:hover {
    background: var(--gradient-btn-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 28px var(--primary-glow);
}
.nav-cta i { font-size: 12px; transition: transform var(--transition); }
.nav-cta:hover i { transform: translateX(3px); }

/* ==================== Hero ==================== */
.hero {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    padding: 140px 24px 80px;
    overflow: hidden;
}

.hero-glow {
    position: absolute; top: 5%; left: 50%; transform: translateX(-50%);
    width: 700px; height: 500px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(80px); pointer-events: none; opacity: .6;
}

.hero-inner {
    position: relative; text-align: center; max-width: 700px;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 18px;
    background: var(--primary-subtle);
    border: 1px solid var(--primary-muted);
    border-radius: var(--radius-full);
    font-size: 12px; font-weight: 600;
    color: var(--primary);
    margin-bottom: 28px;
    letter-spacing: .5px; text-transform: uppercase;
}
.hero-badge i { color: var(--accent); font-size: 11px; }

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900; line-height: 1.08;
    letter-spacing: -2px; margin-bottom: 20px;
    color: var(--text-1);
}

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

.hero-desc {
    font-size: 17px; color: var(--text-2);
    margin-bottom: 40px; letter-spacing: -.2px;
}

.hero-stats {
    display: flex; justify-content: center; gap: 56px;
    margin-bottom: 40px;
}

.hero-stat {
    display: flex; flex-direction: column; align-items: center; position: relative;
}
.hero-stat:not(:last-child)::after {
    content: ''; position: absolute; right: -28px; top: 50%; transform: translateY(-50%);
    width: 1px; height: 32px; background: var(--border-strong);
}

.stat-number {
    font-size: 36px; font-weight: 900; letter-spacing: -1px;
    background: var(--gradient-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.stat-label {
    font-size: 12px; color: var(--text-3); font-weight: 500;
    margin-top: 4px; text-transform: uppercase; letter-spacing: 1px;
}

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

/* ==================== Buttons ==================== */
.btn-main {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 30px;
    background: var(--gradient-btn);
    color: white; text-decoration: none;
    font-size: 15px; font-weight: 600;
    border-radius: var(--radius-sm);
    border: none; cursor: pointer;
    transition: all .3s var(--ease);
    box-shadow: 0 4px 20px var(--primary-glow);
    position: relative; overflow: hidden;
}
.btn-main::before {
    content: ''; position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
    transition: left .5s var(--ease);
}
.btn-main:hover::before { left: 100%; }
.btn-main:hover {
    background: var(--gradient-btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 36px var(--primary-glow);
}
.btn-main i { font-size: 13px; transition: transform var(--transition); }
.btn-main:hover i { transform: translateX(3px); }

.btn-ghost {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 28px;
    background: transparent; color: var(--text-2);
    text-decoration: none; font-size: 15px; font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    cursor: pointer; transition: all .3s var(--ease);
}
.btn-ghost:hover {
    color: var(--primary);
    background: var(--primary-subtle);
    border-color: var(--primary-muted);
    transform: translateY(-2px);
}

/* ==================== Section ==================== */
.section-head {
    margin-bottom: 48px; position: relative;
}
.section-head h2 {
    font-size: 32px; font-weight: 800; letter-spacing: -.8px; margin-bottom: 8px;
}
.section-head h2::after {
    content: ''; display: block;
    width: 40px; height: 3px;
    background: var(--gradient-btn);
    border-radius: 2px; margin-top: 12px;
}
.section-head p {
    font-size: 16px; color: var(--text-3);
}

/* ==================== Sitemap / Hot Apps ==================== */
.section-sitemap { padding: 80px 0; }

.sitemap-apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px; margin-bottom: 40px;
}

.sitemap-app-link {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-2); text-decoration: none;
    font-size: 13px; font-weight: 500;
    transition: all var(--transition);
    box-shadow: var(--shadow-xs);
}
.sitemap-app-link:hover {
    color: var(--primary);
    background: var(--primary-subtle);
    border-color: var(--primary-muted);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.sitemap-app-link.sitemap-hidden { display: none; }

.sitemap-app-icon {
    width: 20px; height: 20px;
    object-fit: contain; border-radius: 5px; flex-shrink: 0;
}
.sitemap-app-icon-fallback {
    display: none; color: var(--primary); font-size: 15px; flex-shrink: 0;
}

/* ==================== Apps Grid ==================== */
.section-apps { padding: 80px 0; }

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.app-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .4s var(--ease-out);
    cursor: pointer; position: relative;
    box-shadow: var(--card-shadow);
}
.app-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-muted);
    box-shadow: var(--card-shadow-hover);
}

.app-thumbnail {
    position: relative; width: 100%; height: 180px;
    overflow: hidden; background: var(--bg-subtle);
}
.app-thumbnail img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .6s var(--ease-out);
}
.app-card:hover .app-thumbnail img { transform: scale(1.06); }
.app-thumbnail::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--surface) 0%, transparent 100%);
    pointer-events: none;
}

.app-badge {
    position: absolute; top: 12px; right: 12px;
    padding: 5px 12px;
    background: var(--glass); backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: var(--primary); border-radius: var(--radius-full);
    font-size: 12px; font-weight: 600;
    display: flex; align-items: center; gap: 5px; z-index: 1;
}

.app-info { padding: 20px; }
.app-header { margin-bottom: 10px; }

.app-title {
    font-size: 17px; font-weight: 700; color: var(--text-1);
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
    overflow: hidden; letter-spacing: -.3px;
}
.app-title-en {
    font-size: 12px; color: var(--text-3); margin-top: 2px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
    overflow: hidden;
}

.app-description {
    font-size: 13px; color: var(--text-2); line-height: 1.6; margin-bottom: 16px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}

.app-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 16px; border-top: 1px solid var(--border);
}

.app-links { display: flex; gap: 6px; }

.app-link-btn {
    display: flex; align-items: center; gap: 5px;
    padding: 6px 12px;
    background: var(--bg-subtle); color: var(--text-3);
    border: 1px solid transparent;
    border-radius: var(--radius-xs);
    font-size: 12px; text-decoration: none;
    transition: all .2s var(--ease); font-weight: 500;
}
.app-link-btn:hover {
    color: var(--primary);
    background: var(--primary-subtle);
    border-color: var(--primary-muted);
}

.app-view-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    background: var(--gradient-btn); color: white;
    border: none; border-radius: var(--radius-xs);
    font-size: 12px; font-weight: 600;
    cursor: pointer; text-decoration: none;
    transition: all var(--transition);
}
.app-view-btn:hover {
    background: var(--gradient-btn-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--primary-glow);
}

/* ==================== States ==================== */
.loading-state { text-align: center; padding: 80px 20px; color: var(--text-3); }
.loader {
    width: 40px; height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%; animation: spin .8s linear infinite;
    margin: 0 auto 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state { text-align: center; padding: 80px 20px; }
.empty-state i { font-size: 56px; color: var(--text-3); margin-bottom: 20px; }
.empty-state h3 { font-size: 20px; margin-bottom: 8px; }
.empty-state p { color: var(--text-3); margin-bottom: 24px; }

.load-more-wrap { text-align: center; margin-top: 40px; }

/* ==================== News ==================== */
.section-news {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.news-tabs {
    display: flex; gap: 6px; margin-bottom: 32px;
    overflow-x: auto; scrollbar-width: none; padding-bottom: 4px;
}
.news-tabs::-webkit-scrollbar { display: none; }

.news-tab {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px;
    background: transparent; color: var(--text-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 13px; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: all var(--transition);
    white-space: nowrap; flex-shrink: 0;
}
.news-tab:hover {
    color: var(--text-2); border-color: var(--primary-muted);
    background: var(--primary-subtle);
}
.news-tab.active {
    color: white;
    background: var(--gradient-btn);
    border-color: transparent;
    box-shadow: 0 2px 12px var(--primary-glow);
}
.news-tab i { font-size: 11px; }
.news-tab .tab-count { font-size: 10px; opacity: .7; }

.news-list {
    display: flex; flex-direction: column; gap: 8px;
}

.news-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 18px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all .3s var(--ease);
    position: relative;
    box-shadow: var(--shadow-xs);
}
.news-item::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 0;
    background: var(--gradient-btn);
    border-radius: 2px; transition: height .3s var(--ease);
}
.news-item:hover {
    background: var(--surface-hover);
    border-color: var(--primary-muted);
    transform: translateX(4px);
    box-shadow: var(--card-shadow-hover);
}
.news-item:hover::before { height: 50%; }

.news-tag {
    flex-shrink: 0; padding: 4px 10px;
    font-size: 11px; font-weight: 700;
    border-radius: var(--radius-xs); letter-spacing: .3px; margin-top: 2px;
}
.news-tag.tag-chat       { background: var(--tag-chat-bg);     color: var(--tag-chat); }
.news-tag.tag-roleplay   { background: var(--tag-roleplay-bg); color: var(--tag-roleplay); }
.news-tag.tag-review     { background: var(--tag-review-bg);   color: var(--tag-review); }
.news-tag.tag-features   { background: var(--tag-features-bg); color: var(--tag-features); }
.news-tag.tag-guide      { background: var(--tag-guide-bg);    color: var(--tag-guide); }
.news-tag.tag-pricing    { background: var(--tag-pricing-bg);  color: var(--tag-pricing); }
.news-tag.tag-compare    { background: var(--tag-compare-bg);  color: var(--tag-compare); }

.news-body { flex: 1; min-width: 0; }

.news-title {
    font-size: 15px; font-weight: 600; color: var(--text-1);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    letter-spacing: -.2px; margin-bottom: 2px;
}
.news-item:hover .news-title { color: var(--primary); }

.news-desc {
    font-size: 13px; color: var(--text-2); line-height: 1.5; margin: 4px 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; opacity: .8;
}
.news-item:hover .news-desc { opacity: 1; }

.news-app {
    font-size: 12px; color: var(--text-3);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.news-meta {
    flex-shrink: 0; display: flex; align-items: center; gap: 16px;
    font-size: 12px; color: var(--text-3); margin-top: 2px;
}
.news-meta-item { display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.news-meta-item i { font-size: 11px; }

.news-empty { text-align: center; padding: 60px 20px; color: var(--text-3); }
.news-empty i { font-size: 40px; margin-bottom: 16px; display: block; }

.news-pagination { text-align: center; margin-top: 32px; }

/* ==================== Features ==================== */
.section-features { padding: 80px 0; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.feat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all .35s var(--ease);
    position: relative; overflow: hidden;
    box-shadow: var(--card-shadow);
}
.feat-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-primary);
    opacity: 0; transition: opacity .35s var(--ease);
}
.feat-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-muted);
    box-shadow: var(--card-shadow-hover);
}
.feat-card:hover::before { opacity: 1; }

.feat-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: var(--feat-1); border-radius: 12px;
    margin-bottom: 20px; font-size: 20px; color: var(--feat-1c);
}
.feat-icon-2 { background: var(--feat-2); color: var(--feat-2c); }
.feat-icon-3 { background: var(--feat-3); color: var(--feat-3c); }
.feat-icon-4 { background: var(--feat-4); color: var(--feat-4c); }
.feat-icon-5 { background: var(--feat-5); color: var(--feat-5c); }
.feat-icon-6 { background: var(--feat-6); color: var(--feat-6c); }

.feat-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; letter-spacing: -.3px; }
.feat-card p { font-size: 14px; color: var(--text-3); line-height: 1.6; }

/* ==================== Footer Sitemap ==================== */
.sitemap-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 32px; padding-top: 48px;
    border-top: 1px solid var(--border);
}
.sitemap-col h4 {
    font-size: 13px; font-weight: 700;
    color: var(--primary); text-transform: uppercase;
    letter-spacing: 1.5px; margin-bottom: 16px;
}
.sitemap-col a {
    display: block; color: var(--text-2); text-decoration: none;
    font-size: 14px; padding: 6px 0;
    transition: all .2s var(--ease);
}
.sitemap-col a:hover { color: var(--primary); padding-left: 4px; }

/* ==================== Footer ==================== */
.footer {
    padding: 32px 0; border-top: 1px solid var(--border);
}
.footer-inner {
    display: flex; align-items: center; justify-content: space-between;
}
.footer-brand {
    display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px;
}
.footer-copy { font-size: 13px; color: var(--text-3); }
.footer-link {
    color: var(--text-3); text-decoration: none;
    transition: color .2s var(--ease);
}
.footer-link:hover { color: var(--primary); }

/* ==================== Back to Top ==================== */
.back-to-top {
    position: fixed; bottom: 28px; right: 28px;
    width: 44px; height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    color: var(--primary); border-radius: 12px;
    cursor: pointer; font-size: 16px;
    opacity: 0; visibility: hidden;
    transition: all .3s var(--ease);
    z-index: 999;
    box-shadow: var(--shadow-md);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
    color: white; background: var(--gradient-btn);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--primary-glow);
}

/* ==================== Static Pages (about/help/privacy/terms) ==================== */
.page-hero {
    padding: 120px 24px 48px;
    text-align: center;
    position: relative;
}
.page-hero .hero-glow {
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 500px; height: 400px;
    background: radial-gradient(circle, rgba(108,92,231,.12) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}
.page-hero h1 {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 12px;
    position: relative;
}
.page-hero .page-desc {
    font-size: 16px;
    color: var(--text-3);
    position: relative;
}

.page-content {
    max-width: 800px; margin: 0 auto;
    padding: 0 24px 80px;
}
.page-body {
    margin: 0 auto;
}
.page-updated {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 40px;
    padding: 6px 14px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
}
.page-section {
    margin-bottom: 48px;
}
.page-section h2 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.5px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.page-section h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 20px 0 10px;
    color: var(--text-1);
}
.page-section p {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 12px;
}
.page-section ul, .page-section ol {
    padding-left: 20px;
    margin-bottom: 16px;
}
.page-section li {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 6px;
}
.page-section a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-muted);
    transition: color var(--transition);
}
.page-section a:hover {
    border-color: var(--primary);
}
.highlight-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin-bottom: 20px;
}
.highlight-box p {
    margin-bottom: 0;
}
.highlight-box .highlight-icon {
    color: var(--accent);
    margin-right: 8px;
}

.page-content h1 {
    font-size: 36px; font-weight: 800; letter-spacing: -1px;
    margin-bottom: 32px;
    background: var(--gradient-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-content h2 {
    font-size: 22px; font-weight: 700; margin: 32px 0 16px; letter-spacing: -.3px;
}
.page-content p, .page-content li {
    color: var(--text-2); line-height: 1.8; margin-bottom: 16px;
}
.page-content ul, .page-content ol {
    padding-left: 24px;
}
.page-content a {
    color: var(--primary); text-decoration: none;
    border-bottom: 1px solid var(--primary-muted);
    transition: border-color var(--transition);
}
.page-content a:hover { border-color: var(--primary); }

.content-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
}
.content-card h3 {
    font-size: 17px; font-weight: 700; margin-bottom: 8px;
}
.content-card p {
    font-size: 14px; color: var(--text-3); margin-bottom: 0;
}

/* FAQ accordion (details/summary inside content-card) */
.faq-list {
    display: flex; flex-direction: column; gap: 12px;
    margin-bottom: 48px;
}
.faq-list .content-card {
    margin-bottom: 0;
}
.content-card details {
    cursor: pointer;
}
.content-card details summary {
    font-size: 17px; font-weight: 700;
    list-style: none;
    padding-right: 24px;
    position: relative;
}
.content-card details summary::-webkit-details-marker { display: none; }
.content-card details summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-3);
    transition: transform var(--transition);
}
.content-card details[open] summary::after {
    transform: translateY(-50%) rotate(180deg);
    color: var(--primary);
}
.content-card details[open] summary {
    margin-bottom: 12px;
}
.content-card details p {
    margin-top: 0;
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .nav-center { display: none; }
    .nav-container { padding: 0 16px; }
    .nav-cta { padding: 7px 14px; font-size: 13px; border-radius: 8px; }

    .hero { padding: 110px 16px 56px; }
    .hero-title { font-size: 32px; letter-spacing: -.5px; }
    .hero-stats { gap: 24px; }
    .hero-stat:not(:last-child)::after { right: -12px; }
    .stat-number { font-size: 28px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn-main, .btn-ghost { width: 100%; max-width: 280px; justify-content: center; }

    .section-head h2 { font-size: 26px; }
    .apps-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .sitemap-apps-grid { grid-template-columns: repeat(2, 1fr); }

    .news-tabs { gap: 8px; }
    .news-tab { padding: 6px 14px; font-size: 12px; }
    .news-item { flex-wrap: wrap; gap: 10px; padding: 14px 16px; }
    .news-meta { width: 100%; gap: 12px; }

    .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
    .sitemap-links-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .header { padding: 12px 0; }
    .logo { gap: 8px; font-size: 17px; }
    .logo-icon { width: 30px; height: 30px; border-radius: 8px; }
    .container { padding: 0 16px; }
    .hero { padding: 96px 16px 40px; }
    .hero-title { font-size: 28px; }
    .hero-desc { font-size: 14px; }
    .sitemap-apps-grid { grid-template-columns: 1fr 1fr; }
    .sitemap-links-grid { grid-template-columns: 1fr; gap: 24px; }

    .page-content { padding: 100px 16px 60px; }
    .page-content h1 { font-size: 28px; }
}

/* ==================== Static Page Extended ==================== */
.page-hero {
    text-align: center; padding: 140px 24px 48px;
    position: relative;
}
.page-hero .hero-glow {
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 600px; height: 400px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(80px); pointer-events: none; opacity: .5;
}
.page-hero h1 {
    font-size: clamp(30px, 5vw, 44px); font-weight: 900;
    letter-spacing: -1px; margin-bottom: 12px;
    background: var(--gradient-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    position: relative;
}
.page-desc {
    font-size: 16px; color: var(--text-3); max-width: 520px;
    margin: 0 auto; position: relative;
}

.page-body {
    max-width: 800px; margin: 0 auto; padding: 0 24px 80px;
}

.page-section { margin-bottom: 40px; }
.page-section h2 {
    font-size: 22px; font-weight: 700; letter-spacing: -.3px;
    margin-bottom: 16px; color: var(--text-1);
}
.page-section h3 {
    font-size: 17px; font-weight: 600; margin: 20px 0 10px; color: var(--text-1);
}
.page-section p {
    color: var(--text-2); line-height: 1.8; margin-bottom: 12px;
}
.page-section ul, .page-section ol {
    padding-left: 24px; margin-bottom: 16px;
}
.page-section li {
    color: var(--text-2); line-height: 1.8; margin-bottom: 6px;
}
.page-section a {
    color: var(--primary); text-decoration: none;
    border-bottom: 1px solid var(--primary-muted);
}
.page-section a:hover { border-color: var(--primary); }

.page-updated {
    font-size: 13px; color: var(--text-3);
    margin-bottom: 32px; text-align: center;
}

.highlight-box {
    background: var(--primary-subtle);
    border: 1px solid var(--primary-muted);
    border-radius: var(--radius);
    padding: 24px; margin: 24px 0;
    display: flex; align-items: flex-start; gap: 16px;
}
.highlight-icon {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary-muted);
    border-radius: 10px;
    color: var(--primary); font-size: 18px; flex-shrink: 0;
}
.highlight-box p { margin-bottom: 0; }

.faq-list {
    display: flex; flex-direction: column; gap: 12px;
}
.content-card details { cursor: pointer; }
.content-card summary {
    font-size: 15px; font-weight: 600; color: var(--text-1);
    list-style: none; display: flex; align-items: center;
    justify-content: space-between; gap: 12px;
}
.content-card summary::-webkit-details-marker { display: none; }
.content-card summary::after {
    content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    font-size: 12px; color: var(--text-3);
    transition: transform .2s var(--ease);
}
.content-card details[open] summary::after { transform: rotate(180deg); }
.content-card details p {
    margin-top: 12px; font-size: 14px; color: var(--text-2); line-height: 1.7;
}

@media (max-width: 768px) {
    .page-hero { padding: 110px 16px 36px; }
    .page-body { padding: 0 16px 60px; }
}

/* ==================== Transition smoothing ==================== */
.surface, .feat-card, .app-card, .news-item, .sitemap-app-link,
.header, .footer, .back-to-top, .theme-toggle, .nav-cta,
.btn-main, .btn-ghost, .news-tab {
    transition-property: background, border-color, color, box-shadow, transform;
    transition-duration: .3s;
    transition-timing-function: var(--ease);
}