:root {
    --brand-primary: #FF8C42;
    --brand-dark: #C45A1A;
    --brand-deep: #8B3A0F;
    --brand-light: #FFE8D6;
    --brand-gradient: linear-gradient(135deg, #FF8C42 0%, #FFB877 50%, #FFE8D6 100%);
    --brand-gradient-deep: linear-gradient(135deg, #C45A1A 0%, #FF8C42 60%, #FFB877 100%);
    --brand-glow: rgba(255, 140, 66, 0.35);

    --text-h1: #0B1A2A;
    --text-h2: #142B3C;
    --text-h3: #1F3A4D;
    --text-h4: #2A4A5C;
    --text-body: #17202A;
    --text-body-strong: #1F2937;
    --text-secondary: #3E4C59;
    --text-muted: #4A5A6A;
    --text-link: #B84A00;
    --text-link-hover: #8B3A0F;
    --text-on-brand: #FFFFFF;
    --text-nav: #1A2B3C;
    --text-footer: #E5E7EB;
    --text-footer-heading: #FFFFFF;
    --text-faq-q: #0B1A2A;
    --text-faq-a: #1F2937;
    --text-card-title: #142B3C;
    --text-card-body: #243447;
    --text-btn: #FFFFFF;
    --text-btn-hover: #FFFFFF;
    --text-placeholder: #6B7A8A;
    --text-error: #C0392B;
    --text-breadcrumb: #4A5A6A;
    --text-breadcrumb-active: #17202A;

    --bg-page: #FDF8F4;
    --bg-card: #FFFFFF;
    --bg-card-alt: #FFF5EE;
    --bg-nav: rgba(255, 248, 242, 0.72);
    --bg-footer: #1A2B3C;
    --bg-footer-bottom: #0F1D2B;
    --bg-faq: #FFFFFF;
    --bg-faq-open: #FFF8F2;
    --bg-btn: #C45A1A;
    --bg-btn-hover: #8B3A0F;
    --bg-tag: #FFE8D6;
    --bg-input: #FFFFFF;

    --border-light: #E8DDD4;
    --border-medium: #D4C5B8;
    --border-focus: #C45A1A;
    --border-glass: rgba(255, 255, 255, 0.6);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
    --shadow-glass: 0 8px 32px rgba(196, 90, 26, 0.12);
}

[data-theme="dark"] {
    --text-h1: #FFFFFF;
    --text-h2: #F8FAFC;
    --text-h3: #F1F5F9;
    --text-h4: #E2E8F0;
    --text-body: #E5E7EB;
    --text-body-strong: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-link: #FFB877;
    --text-link-hover: #FFD4A8;
    --text-on-brand: #0B1A2A;
    --text-nav: #E5E7EB;
    --text-footer: #E5E7EB;
    --text-footer-heading: #FFFFFF;
    --text-faq-q: #FFFFFF;
    --text-faq-a: #E2E8F0;
    --text-card-title: #F8FAFC;
    --text-card-body: #E5E7EB;
    --text-btn: #0B1A2A;
    --text-btn-hover: #0B1A2A;
    --text-placeholder: #94A3B8;
    --text-error: #F87171;
    --text-breadcrumb: #94A3B8;
    --text-breadcrumb-active: #F1F5F9;

    --bg-page: #0F1A24;
    --bg-card: #1A2B3C;
    --bg-card-alt: #1F3345;
    --bg-nav: rgba(15, 26, 36, 0.72);
    --bg-footer: #0B1420;
    --bg-footer-bottom: #060D14;
    --bg-faq: #1A2B3C;
    --bg-faq-open: #1F3345;
    --bg-btn: #FF8C42;
    --bg-btn-hover: #FFA966;
    --bg-tag: #2A3F52;
    --bg-input: #1A2B3C;

    --border-light: #2A3F52;
    --border-medium: #3A5068;
    --border-focus: #FF8C42;
    --border-glass: rgba(255, 255, 255, 0.08);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-body);
    line-height: 1.75;
    transition: background-color 0.35s ease, color 0.35s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-h1);
    transition: color 0.35s ease;
}

h1 {
    font-size: 2.4rem;
    color: var(--text-h1);
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.9rem;
    color: var(--text-h2);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.4rem;
    color: var(--text-h3);
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.15rem;
    color: var(--text-h4);
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-body);
    margin-bottom: 1rem;
    transition: color 0.35s ease;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
    color: var(--text-link-hover);
    text-decoration: underline;
}

a:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
    border-radius: 4px;
}

strong, b {
    color: var(--text-body-strong);
    font-weight: 700;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-nav);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border-bottom: 1px solid var(--border-glass);
    transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.3s ease;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}

[data-theme="dark"] .navbar {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-h1);
    letter-spacing: -0.02em;
    transition: transform 0.25s ease;
}

.nav-logo:hover {
    text-decoration: none;
    transform: scale(1.03);
}

.nav-logo svg {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 6px var(--brand-glow));
    transition: transform 0.4s ease;
}

.nav-logo:hover svg {
    transform: rotate(12deg) scale(1.08);
}

.nav-logo span {
    color: var(--brand-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-nav);
    padding: 6px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-gradient);
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover {
    color: var(--brand-dark);
    text-decoration: none;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-medium);
    border-radius: 24px;
    padding: 4px 4px 4px 16px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.35s ease;
}

.search-box:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--brand-glow);
}

.search-box input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.9rem;
    color: var(--text-body);
    width: 140px;
    font-family: inherit;
    transition: color 0.35s ease;
}

.search-box input::placeholder {
    color: var(--text-placeholder);
}

.search-box button {
    background: var(--brand-gradient-deep);
    border: none;
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-btn);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.25s ease, filter 0.25s ease;
    font-family: inherit;
}

.search-box button:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--brand-glow);
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-body);
}

.theme-toggle:hover {
    border-color: var(--brand-primary);
    background: var(--bg-card-alt);
    transform: rotate(20deg) scale(1.06);
    box-shadow: 0 0 0 4px var(--brand-glow);
}

.mobile-menu-btn {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--text-body);
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.mobile-menu-btn:hover {
    border-color: var(--brand-primary);
    background: var(--bg-card-alt);
}

.breadcrumb {
    padding: 16px 0 8px;
    font-size: 0.88rem;
    color: var(--text-breadcrumb);
}

.breadcrumb a {
    color: var(--text-breadcrumb);
}

.breadcrumb a:hover {
    color: var(--text-link);
}

.breadcrumb span {
    color: var(--text-breadcrumb-active);
    font-weight: 500;
}

.breadcrumb .sep {
    margin: 0 8px;
    color: var(--text-muted);
}

.hero {
    position: relative;
    padding: 72px 0 80px;
    background: var(--brand-gradient);
    overflow: hidden;
    transition: background 0.35s ease;
}

.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.30) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #1A2B3C 0%, #2A3F52 50%, #3A5068 100%);
}

[data-theme="dark"] .hero::before {
    background: radial-gradient(circle, rgba(255, 140, 66, 0.18) 0%, rgba(255, 140, 66, 0) 70%);
}

[data-theme="dark"] .hero::after {
    background: radial-gradient(circle, rgba(255, 184, 119, 0.12) 0%, rgba(255, 184, 119, 0) 70%);
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 20px;
    color: #FFFFFF;
    text-shadow: 0 2px 12px rgba(139, 58, 15, 0.18);
}

[data-theme="dark"] .hero-content h1 {
    color: #FFFFFF;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}

.hero-content h1 .highlight {
    display: inline;
    background: linear-gradient(135deg, #FFFFFF 0%, #FFE8D6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #FFFFFF;
    position: relative;
}

[data-theme="dark"] .hero-content h1 .highlight {
    background: linear-gradient(135deg, #FFB877 0%, #FFE8D6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.94);
    margin-bottom: 28px;
    line-height: 1.8;
    text-shadow: 0 1px 8px rgba(139, 58, 15, 0.12);
}

[data-theme="dark"] .hero-desc {
    color: rgba(241, 245, 249, 0.92);
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.hero-tag {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--brand-deep);
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 8px rgba(139, 58, 15, 0.10);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.hero-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 58, 15, 0.20);
    background: #FFFFFF;
}

[data-theme="dark"] .hero-tag {
    background: rgba(255, 140, 66, 0.18);
    color: #FFD4A8;
    border-color: rgba(255, 140, 66, 0.35);
}

[data-theme="dark"] .hero-tag:hover {
    background: rgba(255, 140, 66, 0.28);
}

.hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 28px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    font-family: inherit;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #FFFFFF;
    color: var(--brand-deep);
    box-shadow: 0 4px 16px rgba(139, 58, 15, 0.22);
}

.btn-primary:hover {
    color: var(--brand-deep);
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(139, 58, 15, 0.32);
}

[data-theme="dark"] .btn-primary {
    background: var(--brand-gradient-deep);
    color: #FFFFFF;
    box-shadow: 0 4px 16px rgba(255, 140, 66, 0.30);
}

[data-theme="dark"] .btn-primary:hover {
    color: #FFFFFF;
    box-shadow: 0 10px 28px rgba(255, 140, 66, 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #FFFFFF;
    border: 2px solid rgba(255, 255, 255, 0.75);
}

.btn-outline:hover {
    border-color: #FFFFFF;
    color: var(--brand-deep);
    background: #FFFFFF;
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(139, 58, 15, 0.25);
}

[data-theme="dark"] .btn-outline {
    color: #FFD4A8;
    border-color: rgba(255, 184, 119, 0.7);
    background: rgba(255, 140, 66, 0.12);
}

[data-theme="dark"] .btn-outline:hover {
    color: #0B1A2A;
    background: #FFB877;
    border-color: #FFB877;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: floatY 6s ease-in-out infinite;
}

.hero-visual svg {
    width: 100%;
    max-width: 480px;
    height: auto;
    filter: drop-shadow(0 16px 40px rgba(139, 58, 15, 0.25));
}

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

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 36px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 56px;
}

.stat-item {
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--brand-gradient-deep);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--brand-dark);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.section {
    padding: 64px 0;
}

.section-alt {
    background: var(--bg-card-alt);
    transition: background-color 0.35s ease;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.section-header h2 {
    margin-bottom: 14px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 18px;
    padding: 32px 28px;
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.32s ease, border-color 0.32s ease;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--bg-tag);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    transition: transform 0.35s ease, background-color 0.35s ease;
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(-6deg);
    background: var(--brand-light);
}

[data-theme="dark"] .card:hover .card-icon {
    background: rgba(255, 140, 66, 0.22);
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-card-title);
}

.card p {
    font-size: 0.95rem;
    color: var(--text-card-body);
    line-height: 1.75;
    margin-bottom: 0;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.article-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 26px 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.article-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-card:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.article-cat {
    background: var(--bg-tag);
    color: var(--brand-deep);
    padding: 3px 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.78rem;
    transition: background-color 0.3s ease;
}

.article-card:hover .article-cat {
    background: var(--brand-light);
}

[data-theme="dark"] .article-card:hover .article-cat {
    background: rgba(255, 140, 66, 0.22);
}

.article-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-card-title);
    line-height: 1.4;
    transition: color 0.25s ease;
}

.article-card:hover h3 {
    color: var(--brand-dark);
}

.article-card p {
    font-size: 0.92rem;
    color: var(--text-card-body);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 16px;
}

.article-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-link);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.25s ease, color 0.25s ease;
}

.article-link:hover {
    color: var(--text-link-hover);
    text-decoration: none;
    gap: 8px;
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-faq);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}

.faq-item.open {
    background: var(--bg-faq-open);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-faq-q);
    text-align: left;
    font-family: inherit;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--brand-dark);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--brand-dark);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
    padding: 0 24px;
}

.faq-item.open .faq-answer {
    max-height: 600px;
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-faq-a);
    line-height: 1.8;
    margin-bottom: 0;
}

.howto-steps {
    max-width: 800px;
    margin: 0 auto;
    counter-reset: step;
}

.howto-step {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-light);
    transition: transform 0.3s ease;
}

.howto-step:hover {
    transform: translateX(6px);
}

.howto-step:last-child {
    border-bottom: none;
}

.step-num {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--brand-gradient-deep);
    color: var(--text-btn);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px var(--brand-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.howto-step:hover .step-num {
    transform: scale(1.1);
    box-shadow: 0 6px 20px var(--brand-glow);
}

.step-content h4 {
    margin-bottom: 6px;
}

.step-content p {
    font-size: 0.95rem;
    color: var(--text-body);
    margin-bottom: 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--brand-gradient);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.35s ease;
}

.case-card:hover::before {
    transform: scaleY(1);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.case-card h4 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--text-card-title);
}

.case-card p {
    font-size: 0.92rem;
    color: var(--text-card-body);
    line-height: 1.7;
    margin-bottom: 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 8px;
    right: 24px;
    font-size: 4rem;
    line-height: 1;
    color: var(--brand-primary);
    opacity: 0.18;
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 18px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--brand-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #FFFFFF;
    font-size: 1rem;
    box-shadow: 0 3px 10px var(--brand-glow);
    transition: transform 0.3s ease;
}

.testimonial-card:hover .author-avatar {
    transform: scale(1.08);
}

.author-info .name {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-body-strong);
}

.author-info .role {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.contact-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.contact-item .icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
    display: inline-block;
    transition: transform 0.35s ease;
}

.contact-item:hover .icon {
    transform: scale(1.18) rotate(-8deg);
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.contact-item a {
    color: var(--text-link);
    font-weight: 500;
}

.table-wrap {
    overflow-x: auto;
    border-radius: 14px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    background: var(--bg-card);
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

thead {
    background: var(--bg-card-alt);
    transition: background-color 0.35s ease;
}

th {
    padding: 14px 18px;
    text-align: left;
    font-weight: 700;
    color: var(--text-h3);
    font-size: 0.9rem;
    border-bottom: 2px solid var(--border-medium);
    white-space: nowrap;
}

td {
    padding: 13px 18px;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-light);
    transition: color 0.35s ease;
}

tbody tr {
    transition: background-color 0.25s ease;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--bg-card-alt);
}

.footer {
    background: var(--bg-footer);
    color: var(--text-footer);
    padding: 56px 0 0;
    transition: background-color 0.35s ease, color 0.35s ease;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-gradient);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-footer-heading);
    margin-bottom: 16px;
}

.footer-brand svg {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 2px 8px var(--brand-glow));
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-footer);
    line-height: 1.8;
    margin-bottom: 0;
    opacity: 0.9;
}

.footer h4 {
    color: var(--text-footer-heading);
    font-size: 1rem;
    margin-bottom: 18px;
    font-weight: 700;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--text-footer);
    opacity: 0.85;
    transition: opacity 0.2s ease, color 0.2s ease, padding-left 0.25s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--brand-primary);
    text-decoration: none;
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.88rem;
    color: var(--text-footer);
    opacity: 0.9;
    margin-bottom: 8px;
    line-height: 1.7;
}

.footer-contact a {
    color: var(--brand-primary);
    opacity: 1;
}

.footer-bottom {
    background: var(--bg-footer-bottom);
    padding: 20px 0;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-footer);
    opacity: 0.8;
    transition: background-color 0.35s ease;
}

.footer-bottom a {
    color: var(--text-footer);
    opacity: 0.9;
}

.footer-bottom a:hover {
    color: var(--brand-primary);
    opacity: 1;
}

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--brand-gradient-deep);
    color: var(--text-btn);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 6px 20px var(--brand-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.9);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    filter: brightness(1.1);
    transform: translateY(-4px) scale(1.06);
    box-shadow: 0 10px 28px var(--brand-glow);
}

.lazy-img {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy-img.loaded {
    opacity: 1;
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    .hero {
        padding: 48px 0 56px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-visual svg {
        max-width: 360px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .nav-links {
        display: none;
    }

    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--bg-nav);
        backdrop-filter: blur(18px) saturate(180%);
        -webkit-backdrop-filter: blur(18px) saturate(180%);
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-12px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .mobile-menu-btn {
        display: flex;
    }

    .search-box {
        display: none;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 600px) {
    html {
        font-size: 15px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 36px 0 44px;
    }

    .hero::before,
    .hero::after {
        width: 320px;
        height: 320px;
    }

    .section {
        padding: 44px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 1.7rem;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }

    .hero-btns {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }

    .card {
        padding: 26px 22px;
    }

    .card-grid {
        gap: 20px;
    }
}

:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

::selection {
    background: var(--brand-primary);
    color: #FFFFFF;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 5px;
    transition: background 0.25s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-primary);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}