/* General Styles */
:root {
    --primary-bg: #1A1D24;
    --secondary-bg: #23272F;
    --card-bg: #2C313A;
    --text-color: #E0E0E0;
    --text-muted: #A0AEC0;
    --accent-color1: #60A5FA;
    --accent-color2: #60A5FA;
    --accent-color3: #93AFE6;
    --accent-color-value: #F39C12;
    --accent-color-growth: #8E44AD;
    --danger-color: #E74C3C;
    --border-color: #4A5568;
    --input-bg: #353A43;
    --font-family: 'Inter', 'Segoe UI', 'Roboto', 'Microsoft YaHei', sans-serif;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.15);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.2);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.25);
    --tab-active-bg: linear-gradient(90deg, #60A5FA, #60A5FA);
    --tab-inactive-bg: #3A3A3A;
    --tab-text-color: #F5F5F5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
}

body {
    background: var(--primary-bg);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    font-size: 16px;
}

.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.main-header .logo-title {
    display: flex;
    align-items: center;
}

.main-header .logo-title i {
    font-size: 2.3rem;
    margin-right: 12px;
    background: linear-gradient(135deg, var(--accent-color1), var(--accent-color2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.5px;
}

.color-wave-text {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif; 
    font-size: 1.8rem;
    background: linear-gradient(
        90deg,
        #007CF0, 
        #00DFD8, 
        #007CF0  
    );
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientWave 6s linear infinite;
    -webkit-animation: gradientWave 6s linear infinite;
    padding: 0 2px;
}

@keyframes gradientWave {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.main-header nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-size: 1rem;
    padding: 8px 15px;
    border-radius: 6px;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
    font-weight: 500;
}

.main-header nav a i {
    margin-right: 6px;
}

.main-header nav a:hover,
.main-header nav a.active-nav {
    background-color: rgba(52, 152, 219, 0.15);
    color: var(--accent-color1);
}


/* --- [修改] Hero Introduction Section Styles --- */
.hero-intro {
    background-color: var(--card-bg);
    max-width: 1100px;
    margin: 30px auto;
    padding: 30px 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.hero-tagline {
    font-size: 1.2em;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    text-align: left;
    margin: 0;
}

.manifesto-trigger {
    background-color: var(--accent-color1);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.manifesto-trigger:hover {
    background-color: #7ab5fa;
    transform: translateY(-2px);
}

.manifesto-trigger i {
    margin-right: 8px;
}
.manifesto-modal p.conclusion {
    text-align: center;
    font-style: italic;
    font-weight: bold;
    color: #00DFD8; /* 使用备注边框的颜色作为强调 */
    margin-top: 30px;
    font-size: 1.2em;
}
/* --- [修改] Section End --- */


/* Main Tabs (AI Agents / My Portfolio) */
.tabs-main {
    display: flex;
    margin-bottom: 30px;
    gap: 15px;
    justify-content: center;
}

.tab-link-main {
    flex-grow: 1;
    max-width: 400px;
    padding: 15px 25px;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    color: var(--tab-text-color);
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
    transition: opacity 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
    background: var(--tab-inactive-bg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-link-main:hover {
    opacity: 0.90;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-link-main.active {
    background: var(--tab-active-bg);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: var(--shadow-lg), 0 0 20px rgba(102, 187, 106, 0.35);
    opacity: 1;
    transform: translateY(-1px);
}

.tab-link-main.active:hover {
    opacity: 1;
    transform: translateY(-1px);
}

.tab-link-main i {
    margin-right: 12px;
    font-size: 1.1em;
}

.main-tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
}
.main-tab-content.active {
    display: block;
}

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

.agent-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(550px, 1fr));
    gap: 25px;
}

.agent-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border-left: 5px solid transparent;
}
.agent-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-agent-card { border-left-color: var(--accent-color-value); }
.growth-agent-card { border-left-color: var(--accent-color-growth); }

.agent-profile {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}
.agent-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
#agent1Photo { border-color: var(--accent-color-value); }
#agent2Photo { border-color: var(--accent-color-growth); }

.agent-name {
    font-size: 1.7rem;
    font-weight: 600;
    margin-bottom: 5px;
}
#agent1NameDisplay { color: var(--accent-color-value); }
#agent2NameDisplay { color: var(--accent-color-growth); }

.agent-role {
    font-size: 0.95rem;
    color: var(--text-muted);
}
#agent1RoleDisplay { color: var(--accent-color-value); font-weight: 500;}
#agent2RoleDisplay { color: var(--accent-color-growth); font-weight: 500;}


.agent-details h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 10px;
}
.agent-details h3 i {
    margin-right: 8px;
    color: var(--accent-color1);
}

.value-agent-card .agent-details h3 i { color: var(--accent-color-value); }
.growth-agent-card .agent-details h3 i { color: var(--accent-color-growth); }


.core-logic {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    background-color: var(--secondary-bg);
    padding: 15px;
    border-radius: 8px;
}

.agent-section {
    margin-bottom: 20px;
}
.agent-section h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 12px;
    padding-bottom: 5px;
    border-bottom: 1px dashed var(--border-color);
}
.agent-section h4 i { margin-right: 8px; }

.stock-management, .stock-analysis-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
.stock-select,
textarea {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}
input[type="text"]::placeholder,
textarea::placeholder {
    color: #718096;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus,
.stock-select:focus,
textarea:focus {
    border-color: var(--accent-color1);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.stock-management input[type="text"],
.stock-analysis-controls input[type="text"] {
    flex-grow: 1;
    min-width: 180px;
}
.stock-analysis-controls .stock-select,
.settings-form select {
    flex-grow: 1;
    min-width: 180px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23A0AEC0%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 10px auto;
    padding-right: 30px;
}
.settings-form select option {
    background-color: var(--input-bg);
    color: var(--text-color);
}


.stock-analysis-controls span {
    color: var(--text-muted);
}

button {
    background: linear-gradient(135deg, var(--accent-color1), var(--accent-color2));
    color: white;
    border: none;
    padding: 9px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: transform 0.1s ease-out, box-shadow 0.2s;
    box-shadow: var(--shadow-sm);
}
button i {
    margin-right: 6px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
button:active {
    transform: translateY(0);
    box-shadow: none;
}

.stock-list {
    list-style: none;
    padding: 0;
    max-height: 120px;
    overflow-y: auto;
    background-color: var(--secondary-bg);
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}
.stock-list li {
    background-color: var(--input-bg);
    padding: 8px 12px;
    margin-bottom: 6px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}
.stock-list li .remove-stock-btn {
    background-color: var(--danger-color);
    padding: 4px 8px;
    font-size: 0.75rem;
}

.analysis-section {
    margin-top: 20px;
}
.analysis-output h5 {
    margin-top: 15px;
    margin-bottom: 8px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}
.analysis-output textarea {
    width: 100%;
    min-height: 80px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 0.85rem;
    background-color: var(--secondary-bg);
    color: var(--text-muted);
    resize: none;
    margin-bottom: 10px;
}


.agent-portfolio-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.agent-portfolio-section h4 {
    font-size: 1.2rem;
    color: var(--text-color);
}
.value-agent-card .agent-portfolio-section h4 i { color: var(--accent-color-value); }
.growth-agent-card .agent-portfolio-section h4 i { color: var(--accent-color-growth); }


.agent-portfolio-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.agent-portfolio-table-style {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.9rem;
}

.agent-portfolio-table-style th,
.agent-portfolio-table-style td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.agent-portfolio-table-style th {
    background-color: var(--input-bg);
    font-weight: 500;
}
.value-agent-card .agent-portfolio-table-style th { color: var(--accent-color-value); }
.growth-agent-card .agent-portfolio-table-style th { color: var(--accent-color-growth); }


.agent-portfolio-table-style tr:last-child td { border-bottom: none; }
.agent-portfolio-table-style tr:hover { background-color: rgba(255,255,255,0.02); }

.agent-portfolio-table-style input[type="number"] {
    width: 70px;
    padding: 5px 7px;
    font-size: 0.85rem;
}
.agent-portfolio-table-style .remove-agent-stock-btn {
    background-color: var(--danger-color);
    padding: 5px 9px;
    font-size: 0.75rem;
}
.agent-portfolio-table-style .total-label {
    text-align: right;
    font-weight: 500;
    color: var(--text-muted);
}
.agent-portfolio-table-style .total-value {
    font-weight: 600;
    font-size: 1rem;
}
.balance-agent-portfolio-btn {
    margin-left: 5px;
    padding: 2px 5px;
    font-size: 0.7em;
}
.value-agent-card .balance-agent-portfolio-btn { background: var(--accent-color-value); }
.growth-agent-card .balance-agent-portfolio-btn { background: var(--accent-color-growth); }


.add-to-agent-portfolio {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px dashed var(--border-color);
    padding-top: 15px;
    margin-top: 15px;
}

.add-from-pool-section,
.manual-add-section {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.add-from-pool-section .stock-select,
.manual-add-section input[type="text"] {
    flex-grow: 1;
}

.add-from-pool-section button,
.manual-add-section button {
    flex-shrink: 0;
}

.or-divider {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9em;
    font-style: italic;
    margin: 5px 0;
    width: 100%;
    position: relative;
}
.or-divider::before, .or-divider::after {
    content: "";
    display: inline-block;
    width: 40%;
    height: 1px;
    background-color: var(--border-color);
    vertical-align: middle;
    margin: 0 5px;
}


#myPortfolio {
    background-color: var(--secondary-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}
.my-portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
#myPortfolio h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0;
    display: flex;
    align-items: center;
}
#myPortfolio h2 i.fa-briefcase {
    margin-right: 10px;
    color: var(--accent-color2);
}

#myPortfolioTitleText {
    outline: none;
    padding: 2px 5px;
    border-radius: 4px;
    transition: background-color 0.2s;
    min-width: 150px; 
}
#myPortfolioTitleText[contenteditable="true"] {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    cursor: text;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}
.edit-title-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.8em;
    padding: 3px 6px;
    margin-left: 8px;
    cursor: pointer;
    border-radius: 4px;
    line-height: 1; 
}
.edit-title-btn:hover {
    background-color: var(--input-bg);
    color: var(--accent-color1);
}
.edit-title-btn i { margin-right: 0; }


.my-portfolio-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}
.my-portfolio-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

#myPortfolioTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}
#myPortfolioTable th, #myPortfolioTable td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}
#myPortfolioTable th {
    background-color: var(--card-bg);
    color: var(--accent-color1);
    font-weight: 500;
}
#myPortfolioTable tr:last-child td { border-bottom: none; }
#myPortfolioTable tr:hover { background-color: rgba(255,255,255,0.02); }

#myPortfolioTable input[type="number"] {
    width: 75px;
    padding: 6px 8px;
    text-align: right;
}
#myPortfolioTable .remove-portfolio-item-btn {
    background-color: var(--danger-color);
    padding: 6px 10px;
    font-size: 0.8rem;
}
#myPortfolioTable .total-label {
    text-align: right;
    font-weight: 600;
    color: var(--text-muted);
}
#myPortfolioTable .total-value {
    font-weight: 700;
    font-size: 1.1rem;
}
#balancePortfolioBtn {
    margin-left: 5px;
    padding: 3px 6px;
    font-size: 0.75em;
    background: var(--accent-color2);
}


.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    animation: modalFadeIn 0.3s;
}
@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
    background-color: var(--secondary-bg);
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: modalScaleUp 0.3s;
}
.modal-content.large {
    max-width: 800px;
}
#analysisReportModal .modal-content {
    max-width: 900px;
    margin: 5% auto; 
}
#manifestoModal .modal-content {
    max-width: 900px;
    margin: 5% auto; 
}


@keyframes modalScaleUp {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.close-button {
    color: var(--text-muted);
    float: right;
    font-size: 28px;
    font-weight: bold;
    transition: color 0.2s;
}
.close-button:hover,
.close-button:focus {
    color: var(--text-color);
    text-decoration: none;
    cursor: pointer;
}

.modal h2 {
    font-size: 1.6rem;
    color: var(--accent-color1);
    margin-bottom: 25px;
}
.modal h2 i { margin-right: 10px; }

.settings-form .form-group {
    margin-bottom: 20px;
}
.settings-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-muted);
}
.settings-form label i {
    margin-right: 8px;
    color: var(--accent-color1);
}
.settings-form input[type="text"],
.settings-form input[type="password"],
.settings-form select {
    width: 100%;
}
.danger-btn { 
    background: var(--danger-color) !important;
}
.danger-btn:hover {
    background: #c0392b !important; 
}


.status-message {
    margin-top: 15px;
    font-size: 0.9rem;
}
.status-message.success { color: var(--accent-color2); }
.status-message.error { color: var(--danger-color); }

.performance-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.performance-controls label { margin-bottom: 0; }
.performance-controls input[type="date"] {
    padding: 8px 10px;
}
.backtest-results-area {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: 8px;
    min-height: 150px;
    color: var(--text-muted);
}
#performanceChart {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding:10px;
    max-height: 350px;
}

#analysisReportModalTitle {
    color: var(--accent-color1);
}

.analysis-report-modal-controls {
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.analysis-report-modal-controls .button-group-right {
    display: flex;
    gap: 10px;
}

.analysis-report-modal-controls .button-group-right button {
    background: var(--accent-color2);
    color: white;
}
.analysis-report-modal-controls .button-group-right button:hover {
    background: #27ae60;
}

.analysis-report-modal-controls #deepSearchBtn {
    background: var(--accent-color1);
}
.analysis-report-modal-controls #deepSearchBtn:hover {
    background: #2980b9;
}
.analysis-report-body {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    min-height: 300px; 
    max-height: 70vh; 
    overflow-y: auto; 
    white-space: pre-wrap; 
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace; 
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

/* --- [修改] Manifesto Modal Text Styles --- */
.manifesto-text {
    background-color: var(--card-bg);
    padding: 20px 30px; /* 调整内边距 */
    border-radius: 8px;
    max-height: 75vh; 
    overflow-y: auto; 
    white-space: normal;  /* 关键: 修正 white-space 属性，让文本自然换行 */
    font-family: var(--font-family); /* 关键: 使用网站主字体，而不是等宽字体 */
    font-size: 1rem; /* 调整基础字体大小 */
    line-height: 1.8; /* 调整行高以获得更好阅读感 */
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

/* [新增] 为段落添加间距 */
.manifesto-text p {
    margin-bottom: 1.5em; /* 关键: 为每个段落添加下边距 */
}

/* [新增] 移除最后一个段落的下边距，避免底部过多空白 */
.manifesto-text p:last-of-type {
    margin-bottom: 0;
}

/* [修改] 调整模态框标题样式 */
#manifestoModal .modal-content h2 {
    font-size: 2em; /* 增大标题字号 */
    font-weight: 600;
    text-align: center; /* 居中标题 */
    color: var(--accent-color1); /* 使用主题强调色 */
    margin-bottom: 30px; /* 增加与下方正文的距离 */
}
/* --- [修改] Section End --- */


#analysisReportModal {
    z-index: 1001;
}
#manifestoModal {
    z-index: 1001;
}

.view-report-btn {
    background: var(--accent-color1);
    color: white;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
    display: none;
    margin-top: 8px;
    border: none;
}
.view-report-btn i {
    margin-right: 6px;
}
.view-report-btn:hover {
    background: #2980b9;
}


/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    background: var(--secondary-bg);
}


/* Responsive adjustments */
@media (max-width: 1200px) {
    .agent-cards-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-container { padding: 15px; }
    .main-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .main-header nav {
        margin-top: 15px;
        margin-left: 0;
        width: 100%;
    }
    .main-header nav a {
        margin-left: 0;
        margin-right: 10px;
        display: inline-block;
        margin-bottom: 5px;
        font-size: 0.95rem;
    }
    .main-header h1 {
        font-size: 1.8rem;
    }
    .tabs-main { flex-direction: column; }
    .tab-link-main {
        border-bottom: none;
        border-left: 3px solid transparent;
    }
    .tab-link-main.active {
        border-bottom: none;
        border-left: 3px solid var(--accent-color1);
    }

    .hero-intro {
        margin: 20px 0;
        padding: 20px;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .hero-tagline {
        font-size: 1.2em;
        text-align: center;
    }
    .manifesto-trigger {
        padding: 8px 20px;
        font-size: 0.9em;
    }

    .stock-management,
    .stock-analysis-controls,
    .performance-controls,
    .my-portfolio-header,
    .agent-portfolio-controls,
    .settings-form .form-group,
    .add-from-pool-section, 
    .manual-add-section
    {
        flex-direction: column;
        align-items: stretch;
    }
    .my-portfolio-header h2 { margin-bottom: 10px; }
    #myPortfolio h2 {
        flex-wrap: wrap;
    }
    #myPortfolioTitleText {
        width: calc(100% - 40px);
        margin-bottom: 5px;
    }
     .edit-title-btn {
        margin-left: 0;
    }

    .stock-management input[type="text"],
    .stock-analysis-controls input[type="text"],
    .stock-analysis-controls .stock-select,
    .settings-form select,
    .stock-management button,
    .stock-analysis-controls button,
    .performance-controls input[type="date"],
    .performance-controls button,
    .agent-portfolio-controls button,
    .my-portfolio-controls button,
    .add-from-pool-section .stock-select, 
    .add-from-pool-section button,
    .manual-add-section input[type="text"],
    .manual-add-section button,
    .view-report-btn
     {
        width: 100%;
        margin-bottom: 8px;
    }
     .stock-analysis-controls span {
        text-align: center;
        margin: 8px 0;
    }
    .modal-content, 
    #analysisReportModal .modal-content,
    .modal-content.large { 
        margin: 5% auto; 
        padding: 20px; 
        width: 95%;
        max-width: none;
    }
    #manifestoModal .modal-content,
    .modal-content.large { 
        margin: 5% auto; 
        padding: 20px; 
        width: 95%;
        max-width: none;
    }
}

@media (max-width: 480px) {
    #manifestoModal.modal-content h2 {
        font-size: 1rem;   /* 建议不要用 1em，手机上会太小 */
    }
}