/* ===== Variables ===== */
:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --secondary: #1e293b;
    --accent: #f59e0b;
    --success: #10b981;
    --bg: #f0f9f7;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --gradient: linear-gradient(135deg, #0d9488 0%, #0891b2 100%);
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --font: 'DM Sans', -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Utilities ===== */
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.green {
    color: var(--success) !important;
}

.free-tag {
    background: var(--success);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 8px;
    vertical-align: middle;
}

.free-badge {
    display: block;
    color: var(--success);
    font-size: 1rem;
    margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(13, 148, 136, 0.5);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.15rem;
}

.btn-full {
    width: 100%;
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.92) 0%, rgba(8, 145, 178, 0.88) 100%),
                url('新建文件夹/015.jpg') center/cover no-repeat;
    padding: 50px 0 40px;
    text-align: center;
    color: white;
    position: relative;
}

.hero-tag {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    opacity: 0.9;
}

.hero h1 {
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, #fef3c7 0%, #fcd34d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 28px;
}

.stat-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.stat-badge.highlight {
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.stat-icon {
    font-size: 1rem;
}

.stat-icon-img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.hero .btn {
    background: white;
    color: var(--primary);
}

.hero .btn:hover {
    background: #f0fdf4;
}

/* ===== Success Stories ===== */
.success-section {
    padding: 50px 0;
}

.success-section h2 {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 8px;
}

.section-sub {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.stock-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.stock-header {
    margin-bottom: 12px;
}

.stock-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
}

.stock-card h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.ticker {
    color: var(--primary);
    font-weight: 700;
}

.stock-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.stock-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

.price-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.price-value {
    font-size: 0.95rem;
    font-weight: 700;
}

.progress-bar {
    position: relative;
    height: 8px;
    background: #e2e8f0;
    border-radius: 10px;
    margin-top: 8px;
}

.progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--gradient);
    border-radius: 10px;
}

.progress-start,
.progress-end {
    position: absolute;
    top: 14px;
    font-size: 0.75rem;
    font-weight: 600;
}

.progress-start {
    left: 0;
    color: var(--text-muted);
}

.progress-end {
    right: 0;
    color: var(--success);
}

/* ===== Track Record ===== */
.track-section {
    padding: 40px 0;
    background: var(--secondary);
    color: white;
}

.track-section h2 {
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 28px;
}

.track-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.track-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.track-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.track-label {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ===== Benefits ===== */
.benefits-section {
    padding: 50px 0;
}

.benefits-section h2 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 24px;
}

.benefit-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-white);
    border-radius: 14px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    align-items: flex-start;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-icon-img {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    object-fit: contain;
}

.benefit-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.benefit-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ===== Community Image ===== */
.community-banner {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

/* ===== Testimonials ===== */
.testimonials-section {
    padding: 50px 0;
    background: var(--bg);
}

.testimonials-section h2 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 24px;
}

.testimonial-card {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 14px;
    margin-bottom: 14px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.stars {
    color: var(--accent);
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.testimonial-card > p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 14px;
    color: var(--text);
}

.author strong {
    display: block;
    font-size: 0.9rem;
}

.author span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== Join Section ===== */
.join-section {
    padding: 50px 0;
    background: linear-gradient(180deg, var(--bg) 0%, #d1fae5 100%);
}

.join-box {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(13, 148, 136, 0.2);
    border: 2px solid var(--primary);
    text-align: center;
}

.join-box h2 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.join-box > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.join-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.join-form input {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.2s;
}

.join-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.trust-badges span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg);
    padding: 6px 12px;
    border-radius: 20px;
}

.trust-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

/* ===== Expert Section ===== */
.expert-section {
    padding: 40px 0;
    background: var(--bg-white);
}

.expert-card {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 24px;
    background: var(--bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.expert-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}

.expert-info h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--text);
}

.expert-info .title {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.expert-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ===== Chart Banner ===== */
.chart-banner {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-top: 20px;
    box-shadow: var(--shadow);
}

/* ===== Footer ===== */
.footer {
    padding: 30px 20px;
    background: var(--bg-dark);
    text-align: center;
}

.footer p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ===== Form Success ===== */
.form-success {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.form-success p {
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.stock-card,
.benefit-card,
.testimonial-card {
    animation: fadeIn 0.5s ease forwards;
}