/* ============================================
   重庆品茶 - 黑金风格主题样式
   网站: cqpc886.cn
   ============================================ */

:root {
    --gold-primary: #d4af37;
    --gold-light: #f0d060;
    --gold-dark: #b8960c;
    --gold-shine: #ffd700;
    --black-primary: #0a0a0a;
    --black-secondary: #1a1a1a;
    --black-tertiary: #2a2a2a;
    --black-card: #141414;
    --text-primary: #f5f5f5;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #ffd700 50%, #b8960c 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--black-primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--gold-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-light); text-shadow: 0 0 10px rgba(212, 175, 55, 0.5); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--black-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-primary); }
::selection { background: var(--gold-primary); color: var(--black-primary); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
    background: linear-gradient(180deg, rgba(10,10,10,0.98) 0%, rgba(26,26,26,0.95) 100%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 70px; max-width: 1200px; margin: 0 auto; padding: 0 20px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 45px; width: auto; }
.logo-text {
    font-size: 1.4rem; font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; letter-spacing: 2px;
}

/* Navigation */
.nav { display: flex; align-items: center; gap: 5px; }
.nav a {
    color: var(--text-secondary); padding: 8px 16px; border-radius: 6px;
    font-size: 0.95rem; font-weight: 500; transition: var(--transition); position: relative;
}
.nav a:hover, .nav a.active { color: var(--gold-primary); background: rgba(212, 175, 55, 0.1); }
.nav a.active::after {
    content: ''; position: absolute; bottom: 0; left: 50%;
    transform: translateX(-50%); width: 20px; height: 2px;
    background: var(--gold-primary); border-radius: 1px;
}

/* Mobile Menu */
.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.menu-toggle span { width: 25px; height: 2px; background: var(--gold-primary); transition: var(--transition); border-radius: 1px; }

/* Hero */
.hero {
    margin-top: 70px; min-height: 500px;
    background: linear-gradient(135deg, rgba(10,10,10,0.9) 0%, rgba(26,26,26,0.8) 100%);
    display: flex; align-items: center; justify-content: center; text-align: center;
    position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
.hero-content { position: relative; z-index: 1; padding: 60px 20px; }
.hero h1 {
    font-size: 2.8rem; font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 20px; letter-spacing: 3px;
    animation: fadeInUp 0.8s ease-out;
}
.hero p {
    font-size: 1.2rem; color: var(--text-secondary); max-width: 600px;
    margin: 0 auto 30px; animation: fadeInUp 0.8s ease-out 0.2s both;
}
.hero-btn {
    display: inline-block; padding: 14px 40px; background: var(--gradient-gold);
    color: var(--black-primary); font-weight: 700; font-size: 1rem;
    border-radius: 50px; letter-spacing: 2px; transition: var(--transition);
    animation: fadeInUp 0.8s ease-out 0.4s both; box-shadow: var(--shadow-gold);
}
.hero-btn:hover {
    transform: translateY(-3px); box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
    color: var(--black-primary);
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 {
    font-size: 2rem; font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 10px; letter-spacing: 2px;
}
.section-title .divider { width: 60px; height: 3px; background: var(--gradient-gold); margin: 15px auto; border-radius: 2px; }
.section-title p { color: var(--text-muted); font-size: 0.95rem; }

/* Card Grid */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 25px; }
.card {
    background: var(--black-card); border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 12px; overflow: hidden; transition: var(--transition); position: relative;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-gold); opacity: 0; transition: var(--transition);
}
.card:hover { transform: translateY(-5px); border-color: rgba(212, 175, 55, 0.3); box-shadow: var(--shadow-gold); }
.card:hover::before { opacity: 1; }
.card-image {
    width: 100%; height: 200px;
    background: linear-gradient(135deg, var(--black-tertiary) 0%, var(--black-secondary) 100%);
    display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
.card-image .icon-placeholder { font-size: 3rem; opacity: 0.3; }
.card-body { padding: 25px; }
.card-body h3 { font-size: 1.15rem; color: var(--gold-primary); margin-bottom: 10px; line-height: 1.5; }
.card-body h3 a { color: inherit; }
.card-body h3 a:hover { color: var(--gold-light); }
.card-body p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 15px; }
.card-meta {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 0.8rem; color: var(--text-muted); padding-top: 15px;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}
.card-meta .read-more { color: var(--gold-primary); font-weight: 600; }
.card-meta .read-more:hover { color: var(--gold-light); }

/* Article Page */
.article-page { margin-top: 70px; padding: 40px 0 80px; }
.article-header {
    text-align: center; padding: 40px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1); margin-bottom: 40px;
}
.article-header h1 {
    font-size: 2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 15px; line-height: 1.4;
}
.article-meta {
    display: flex; align-items: center; justify-content: center;
    gap: 20px; color: var(--text-muted); font-size: 0.85rem;
}
.article-content {
    max-width: 800px; margin: 0 auto; color: var(--text-secondary);
    line-height: 2; font-size: 1rem;
}
.article-content h2 {
    color: var(--gold-primary); font-size: 1.5rem; margin: 30px 0 15px;
    padding-left: 15px; border-left: 3px solid var(--gold-primary);
}
.article-content h3 { color: var(--gold-light); font-size: 1.2rem; margin: 25px 0 12px; }
.article-content p { margin-bottom: 18px; text-indent: 2em; }
.article-content ul, .article-content ol { margin: 15px 0; padding-left: 2em; }
.article-content li { margin-bottom: 8px; list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content blockquote {
    border-left: 3px solid var(--gold-primary); padding: 15px 20px;
    margin: 20px 0; background: rgba(212, 175, 55, 0.05);
    border-radius: 0 8px 8px 0; color: var(--text-secondary);
}

/* Back Button */
.back-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3); border-radius: 8px;
    color: var(--gold-primary); font-size: 0.9rem; transition: var(--transition); margin-bottom: 30px;
}
.back-btn:hover { background: rgba(212, 175, 55, 0.2); color: var(--gold-light); }

/* About Page */
.about-hero {
    margin-top: 70px; padding: 80px 0; text-align: center;
    background: linear-gradient(135deg, rgba(10,10,10,0.95) 0%, rgba(26,26,26,0.9) 100%);
    position: relative;
}
.about-hero::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at top, rgba(212, 175, 55, 0.1) 0%, transparent 60%);
}
.about-hero h1 {
    font-size: 2.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 15px; position: relative;
}
.about-hero p { color: var(--text-secondary); font-size: 1.1rem; position: relative; }
.about-content { padding: 60px 0; }
.about-content .content-block { max-width: 800px; margin: 0 auto 40px; color: var(--text-secondary); line-height: 2; }
.about-content .content-block h2 {
    color: var(--gold-primary); font-size: 1.5rem; margin-bottom: 20px;
    padding-left: 15px; border-left: 3px solid var(--gold-primary);
}
.about-content .content-block p { margin-bottom: 15px; text-indent: 2em; }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; margin: 40px 0; }
.feature-card {
    background: var(--black-card); border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 12px; padding: 30px; text-align: center; transition: var(--transition);
}
.feature-card:hover { border-color: rgba(212, 175, 55, 0.3); transform: translateY(-3px); box-shadow: var(--shadow-gold); }
.feature-card .icon { font-size: 2.5rem; margin-bottom: 15px; }
.feature-card h3 { color: var(--gold-primary); font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

/* Contact Page */
.contact-section { margin-top: 70px; padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; margin-top: 40px; }
.contact-card {
    background: var(--black-card); border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 12px; padding: 35px; text-align: center; transition: var(--transition);
}
.contact-card:hover { border-color: rgba(212, 175, 55, 0.3); box-shadow: var(--shadow-gold); }
.contact-card .icon { font-size: 2.5rem; margin-bottom: 15px; }
.contact-card h3 { color: var(--gold-primary); font-size: 1.1rem; margin-bottom: 10px; }
.contact-card p { color: var(--text-secondary); font-size: 1rem; margin-bottom: 15px; }
.contact-card .action-btn {
    display: inline-block; padding: 10px 25px; background: var(--gradient-gold);
    color: var(--black-primary); font-weight: 600; border-radius: 25px;
    font-size: 0.9rem; transition: var(--transition); cursor: pointer; border: none;
}
.contact-card .action-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); color: var(--black-primary); }

/* Floating Buttons */
.floating-buttons { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 12px; z-index: 999; }
.float-btn {
    width: 55px; height: 55px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--black-primary); cursor: pointer;
    transition: var(--transition); box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border: 2px solid transparent; position: relative;
}
.float-btn:hover { transform: scale(1.1); }
.float-btn.phone { background: linear-gradient(135deg, #4CAF50, #2E7D32); }
.float-btn.qq { background: linear-gradient(135deg, #4FC3F7, #0288D1); }
.float-btn.wechat { background: linear-gradient(135deg, #66BB6A, #2E7D32); }
.float-btn .tooltip {
    position: absolute; right: 65px; top: 50%; transform: translateY(-50%);
    background: var(--black-card); color: var(--gold-primary); padding: 8px 15px;
    border-radius: 8px; font-size: 0.8rem; white-space: nowrap;
    opacity: 0; pointer-events: none; transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.2);
}
.float-btn:hover .tooltip { opacity: 1; }

/* Toast */
.toast {
    position: fixed; top: 90px; left: 50%; transform: translateX(-50%) translateY(-20px);
    background: var(--black-card); color: var(--gold-primary); padding: 12px 30px;
    border-radius: 8px; border: 1px solid rgba(212, 175, 55, 0.3);
    font-size: 0.9rem; z-index: 10000; opacity: 0; pointer-events: none;
    transition: var(--transition); box-shadow: var(--shadow-gold);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Footer */
.footer {
    background: var(--black-secondary); border-top: 1px solid rgba(212, 175, 55, 0.1);
    padding: 50px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; margin-bottom: 40px; }
.footer-col h4 {
    color: var(--gold-primary); font-size: 1rem; margin-bottom: 15px;
    padding-bottom: 10px; border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}
.footer-col a { display: block; color: var(--text-muted); padding: 5px 0; font-size: 0.9rem; }
.footer-col a:hover { color: var(--gold-primary); padding-left: 5px; }
.footer-col p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.8; }
.footer-bottom {
    text-align: center; padding-top: 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    color: var(--text-muted); font-size: 0.85rem;
}

/* Breadcrumb */
.breadcrumb { padding: 15px 0; font-size: 0.85rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--gold-primary); }
.breadcrumb span { margin: 0 8px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; margin: 40px 0; }
.stat-item {
    text-align: center; padding: 25px; background: var(--black-card);
    border-radius: 12px; border: 1px solid rgba(212, 175, 55, 0.1);
}
.stat-item .number {
    font-size: 2rem; font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-item .label { color: var(--text-muted); font-size: 0.85rem; margin-top: 5px; }

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(212, 175, 55, 0.02) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2); border-radius: 12px; padding: 30px; margin: 30px 0;
}
.highlight-box h3 { color: var(--gold-primary); margin-bottom: 15px; }
.highlight-box p { color: var(--text-secondary); line-height: 1.8; }

/* Fade-in animation */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 768px) {
    .header-inner { height: 60px; }
    .nav {
        display: none; position: absolute; top: 60px; left: 0; right: 0;
        background: var(--black-secondary); flex-direction: column; padding: 20px;
        border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    }
    .nav.active { display: flex; }
    .menu-toggle { display: flex; }
    .hero { margin-top: 60px; min-height: 400px; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
    .section { padding: 50px 0; }
    .section-title h2 { font-size: 1.5rem; }
    .card-grid { grid-template-columns: 1fr; }
    .article-header h1 { font-size: 1.5rem; }
    .floating-buttons { right: 10px; bottom: 10px; }
    .float-btn { width: 48px; height: 48px; font-size: 1.2rem; }
    .float-btn .tooltip { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    html { font-size: 14px; }
    .hero h1 { font-size: 1.5rem; }
    .card-grid { grid-template-columns: 1fr; gap: 15px; }
    .card-body { padding: 18px; }
}