.welcome-page {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.welcome-hero {
    position: relative;
    padding: var(--spacing-12) var(--spacing-10) var(--spacing-10);
    overflow: hidden;
    background:
        radial-gradient(ellipse at 85% -10%, rgba(198, 70, 46, 0.10) 0%, transparent 45%),
        radial-gradient(ellipse at 10% 120%, rgba(61, 92, 122, 0.14) 0%, transparent 50%),
        linear-gradient(160deg, #f7f4ec 0%, #f2efe6 100%);
    border-bottom: 1px solid var(--border-default);
}

.welcome-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.6;
}

.welcome-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.5;
}

.welcome-orb-1 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(61, 92, 122, 0.28), transparent 70%);
    top: -100px;
    right: 8%;
    animation: float 9s ease-in-out infinite;
}

.welcome-orb-2 {
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(198, 70, 46, 0.16), transparent 70%);
    bottom: -80px;
    left: 6%;
    animation: float 9s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

.welcome-hero-track {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--color-primary) 0%, transparent 100%);
    opacity: 0;
}

.welcome-hero-seal {
    position: absolute;
    top: var(--spacing-8);
    right: var(--spacing-8);
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1.6px solid rgba(198, 70, 46, 0.75);
    color: rgba(198, 70, 46, 0.85);
    font-family: var(--font-kai);
    font-size: 14px;
    letter-spacing: 2px;
    transform: rotate(-6deg);
    box-shadow: inset 0 0 0 2px rgba(198, 70, 46, 0.12);
    user-select: none;
}

.welcome-hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
}

.welcome-hero-ref {
    font-family: var(--font-kai);
    font-size: var(--text-sm);
    color: var(--color-accent);
    letter-spacing: 4px;
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.welcome-hero-ref::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--color-accent);
}

.welcome-hero h1 {
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
    letter-spacing: 2px;
}

.welcome-hero h1 em {
    font-style: normal;
    color: var(--color-primary);
}

.welcome-hero p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    max-width: 520px;
}

.welcome-body {
    padding: var(--spacing-10);
    flex: 1;
}

.welcome-section {
    max-width: 1080px;
    margin: 0 auto var(--spacing-10);
}

.welcome-section:last-child {
    margin-bottom: 0;
}

.welcome-section h2 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
    letter-spacing: 1px;
}

.welcome-section-desc {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    margin: 0 0 var(--spacing-6) 0;
    font-weight: 400;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-5);
}

.cta-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--gradient-card);
    border: 1px solid var(--border-default);
    border-top: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.cta-card:hover {
    border-color: var(--color-primary-300);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-card:active {
    transform: translateY(0) scale(0.99);
}

.cta-card-accent {
    border-top-color: var(--color-accent);
}

.cta-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.cta-icon-wrap i {
    font-size: 20px;
}

.cta-icon-upload { background: linear-gradient(135deg, #3d5c7a 0%, #5a7896 100%); }
.cta-icon-chat { background: linear-gradient(135deg, #5a7896 0%, #2b425a 100%); }
.cta-icon-quick-fill { background: linear-gradient(135deg, #466a8d 0%, #2b425a 100%); }

.cta-content { flex: 1; min-width: 0; }
.cta-content h3 { font-size: var(--text-md); font-weight: var(--font-semibold); color: var(--text-primary); margin: 0 0 4px 0; }
.cta-content p { font-size: var(--text-sm); color: var(--text-tertiary); margin: 0; line-height: var(--leading-normal); }

.cta-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #c6462e 0%, #aa3a25 100%);
    color: #fff;
    font-size: 11px;
    padding: 2px 9px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    letter-spacing: 1px;
}

.cta-arrow {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    align-self: flex-end;
}

.cta-card:hover .cta-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

.welcome-guide-section .flow-step { opacity: 0.92; }
.welcome-guide-section .flow-step:hover { opacity: 1; }

[data-theme="dark"] .welcome-hero {
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .cta-card { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.08); }

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--gradient-card);
    border: 1px solid var(--border-default);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.flow-step:hover {
    border-color: var(--color-primary-200);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.flow-step:active {
    transform: translateX(2px) scale(0.99);
}

.step-number {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, #3d5c7a 0%, #2b425a 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: var(--text-md);
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--glow-primary);
}

.step-content { flex: 1; min-width: 0; }
.step-content h3 { font-size: var(--text-md); font-weight: var(--font-semibold); color: var(--text-primary); margin: 0 0 4px 0; }
.step-content p { font-size: var(--text-sm); color: var(--text-tertiary); margin: 0; }
.step-arrow { color: var(--text-tertiary); font-size: var(--text-sm); transition: transform var(--transition-normal); flex-shrink: 0; }
.flow-step:hover .step-arrow { color: var(--color-primary); transform: translateX(4px); }

.flow-step.done {
    border-color: var(--color-success);
    background: linear-gradient(135deg, #f4f8f5 0%, var(--bg-card) 100%);
}

.flow-step.done .step-number {
    background: linear-gradient(145deg, #4c7a5f 0%, #3b6349 100%);
}

.flow-step.done .step-content h3 { color: #33694b; }
.flow-step.done .step-arrow { color: var(--color-success); }

[data-theme="dark"] .flow-step { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.08); }

.upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-10) var(--spacing-6);
    border: 1.5px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--bg-input);
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--color-primary-300);
    background: var(--color-primary-light);
}

.upload-dropzone-icon { font-size: 40px; color: var(--color-primary-300); opacity: 0.8; }
.upload-dropzone-title { font-size: var(--text-md); font-weight: var(--font-semibold); color: var(--text-primary); margin: 0; }
.upload-dropzone-hint { font-size: var(--text-sm); color: var(--text-tertiary); margin: 0; }

.upload-status { display: flex; align-items: flex-start; gap: var(--spacing-3); padding: var(--spacing-5); }
.upload-status-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.upload-status-text { flex: 1; color: var(--text-secondary); line-height: 1.6; }
.upload-status-text strong { color: var(--text-primary); }
.upload-status-loading .upload-status-icon { color: var(--color-primary); }
.upload-status-error .upload-status-icon { color: var(--color-error); }
.upload-status-success .upload-status-icon { color: var(--color-success); }
.upload-retry-btn { margin-top: var(--spacing-3); }

.upload-result { display: flex; flex-direction: column; gap: var(--spacing-4); }
.upload-result-header { display: flex; align-items: center; gap: var(--spacing-3); }
.upload-result-big-icon { font-size: 32px; color: var(--color-success); }
.upload-result-header h4 { font-size: var(--text-md); font-weight: var(--font-semibold); color: var(--text-primary); margin: 0; }
.upload-result-header p { font-size: var(--text-sm); color: var(--text-tertiary); margin: 2px 0 0 0; }

.upload-result-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-2); }
.upload-result-item { display: flex; align-items: center; gap: var(--spacing-2); padding: var(--spacing-2) var(--spacing-3); border-radius: var(--radius-sm); font-size: var(--text-sm); }
.upload-result-item.ok { background: var(--color-success-light); color: #33694b; }
.upload-result-item.empty { background: var(--bg-page); color: var(--text-tertiary); }
.upload-result-item-icon { font-size: 12px; opacity: 0.7; }

.upload-result-missing {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-warning-light);
    border-radius: var(--radius-sm);
}

.upload-result-missing i { color: var(--color-warning); margin-right: 6px; }
.upload-result-actions { display: flex; gap: var(--spacing-2); margin-top: var(--spacing-2); }

[data-theme="dark"] .upload-dropzone { background: rgba(255, 255, 255, 0.02); border-color: rgba(255, 255, 255, 0.15); }
[data-theme="dark"] .flow-step.done { background: rgba(76, 122, 95, 0.14); border-color: var(--color-success); }

@media (max-width: 768px) {
    .cta-grid { grid-template-columns: 1fr; }
    .cta-card { padding: var(--spacing-5); }
    .cta-icon-wrap { width: 44px; height: 44px; }
    .cta-icon-wrap i { font-size: 18px; }
    .cta-badge { top: 12px; right: 12px; }
    .flow-step { padding: 14px 16px; gap: 12px; }
    .step-number { width: 30px; height: 30px; font-size: var(--text-sm); }
    .step-content h3 { font-size: var(--text-base); }
    .step-content p { font-size: var(--text-xs); }
    .upload-result-items { grid-template-columns: 1fr; }
    .upload-dropzone { padding: var(--spacing-6) var(--spacing-4); }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-6) var(--spacing-4);
    background: var(--gradient-card);
    border: 1px solid var(--border-default);
    border-bottom: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.feature-card:hover {
    border-bottom-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 22px;
    color: var(--color-primary-500);
}

.feature-card span {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .welcome-hero { padding: var(--spacing-8) var(--spacing-5); }
    .welcome-hero h1 { font-size: var(--text-3xl); }
    .welcome-hero p { font-size: var(--text-base); }
    .welcome-hero-seal { width: 46px; height: 46px; font-size: 11px; top: var(--spacing-5); right: var(--spacing-5); }
    .welcome-body { padding: var(--spacing-6) var(--spacing-4); }
    .feature-grid { grid-template-columns: 1fr 1fr; }
}