:root {
    --gold: #d4af37;
    --gold-light: #b8860b;
    --light-pink: #fff0f6;
    --accent-pink: #ffd6e7;
    --card-bg: rgba(255, 255, 255, 0.85);
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --glass-border: rgba(212, 175, 55, 0.2);
    --sidebar-bg: #fff;
    --success-bg: rgba(46, 204, 113, 0.05);
    --success-border: #2ecc71;
    --error-bg: rgba(231, 76, 60, 0.05);
    --error-border: #e74c3c;
}

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

body {
    background-color: var(--light-pink);
    color: var(--text-main);
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Watermark */
.watermark-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.08;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='150' viewBox='0 0 250 150'%3E%3Ctext x='10' y='50' font-family='Ma Shan Zheng' font-size='24' fill='%23d4af37' transform='rotate(-30, 125, 75)'%3E财神组%3C/text%3E%3C/svg%3E");
    transform: translate(-25%, -25%);
}

/* Decoration */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: floating 25s infinite alternate;
}

.orb-gold {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-pink), transparent);
    top: -10%;
    right: -10%;
}

.orb-black {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #ffe3ec, transparent);
    bottom: -15%;
    left: -15%;
    animation-delay: -7s;
}

@keyframes floating {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(150px, 100px) scale(1.1); }
}

/* Layout */
.main-content {
    margin-left: 280px;
    padding: 60px 40px;
    max-width: 1300px;
}

/* Sidebar */
.sidebar-nav {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--glass-border);
    padding: 40px 15px;
    z-index: 100;
    box-shadow: 4px 0 20px rgba(0,0,0,0.03);
    overflow-y: auto;
}

.sidebar-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.sidebar-logo img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    background: #fff;
    border-radius: 20px;
    padding: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.sidebar-logo span {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 28px;
    color: var(--gold);
    letter-spacing: 2px;
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 8px;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
    padding: 10px 15px;
    border-radius: 12px;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--gold);
    background: rgba(212, 175, 55, 0.08);
    font-weight: 700;
    transform: translateX(5px);
}

.nav-num {
    font-size: 11px;
    opacity: 0.5;
    font-family: monospace;
}

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 240, 246, 0.9);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Ma Shan Zheng', cursive;
    color: var(--gold);
    font-size: 20px;
}

.nav-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #fff;
}

.nav-links a {
    color: var(--gold-light);
    text-decoration: none;
    margin-left: 15px;
    font-size: 14px;
    font-weight: 900;
}

/* Hero Section */
.luxury-hero {
    margin-bottom: 100px;
    text-align: left;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #fff;
    padding: 6px 18px;
    font-size: 14px;
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.main-title {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 20px;
}

.sub-title {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 25px;
}

.stat-item {
    background: #fff;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gold-light);
    box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

/* Sections */
.step-section {
    padding: 100px 0;
    opacity: 0;
    transform: translateY(40px);
    transition: 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.step-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    margin-bottom: 50px;
}

.step-num {
    color: var(--gold);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.step-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.step-goal {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Cards */
.logic-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 30px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 15px 40px rgba(0,0,0,0.03);
}

.logic-item h5 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--gold-light);
}

.logic-item ul {
    list-style: none;
    padding-left: 5px;
}

.logic-item li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
}

.logic-item li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 900;
    font-size: 1.5rem;
    line-height: 1;
}

/* Tactic Grid */
.tactic-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.tactic-card {
    background: #fff;
    padding: 40px;
    border-radius: 24px;
    border-top: 6px solid #ddd;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.tactic-card.success { border-color: var(--success-border); background: var(--success-bg); }
.tactic-card.error { border-color: var(--error-border); background: var(--error-bg); }

.tactic-card h5 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tactic-card.success h5 { color: var(--success-border); }
.tactic-card.error h5 { color: var(--error-border); }

.example-box {
    margin-top: 25px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    border-left: 4px solid #ddd;
}

.tactic-card.success .example-box { border-color: var(--success-border); }
.tactic-card.error .example-box { border-color: var(--error-border); }

.example-box strong {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.example-box.error-example {
    margin-top: 15px;
    background: var(--error-bg);
    border-color: var(--error-border);
}

/* Final Steps */
.final-notice {
    text-align: center;
    padding: 60px;
    background: #fff;
    border-radius: 30px;
    border: 2px dashed var(--gold);
}

.final-notice i {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.final-notice h5 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 15px;
}

/* Footer */
.luxury-footer {
    padding: 100px 40px;
    text-align: center;
}

.footer-logo {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 48px;
    color: var(--gold);
    margin-bottom: 20px;
}

.disclaimer {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 20px;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 1100px) {
    .main-content { margin-left: 0; padding: 120px 20px 60px; }
    .sidebar-nav { display: none; }
    .mobile-nav { display: block; }
    .tactic-grid { grid-template-columns: 1fr; }
    .main-title { font-size: 3rem; }
}

/* Cursor */
.cursor-follower {
    position: fixed;
    width: 25px;
    height: 25px;
    background: rgba(212, 175, 55, 0.15);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease-out;
}