:root {
    --bg-primary: #fefaf5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #fdf6ee;
    --bg-glass: rgba(255, 251, 245, 0.72);
    --bg-glass-border: rgba(255, 179, 71, 0.18);
    --text-primary: #2c2c2c;
    --text-secondary: #5a4a3a;
    --text-tertiary: #8a7a6a;
    --text-muted: #a09080;
    --accent: #b45f06;
    --accent-hover: #a05205;
    --accent-light: #ffb347;
    --accent-glow: rgba(180, 95, 6, 0.25);
    --border-light: #f0e8dd;
    --border-medium: #e0d6c8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 28px rgba(180, 95, 6, 0.10);
    --shadow-xl: 0 12px 40px rgba(180, 95, 6, 0.14);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    --transition-fast: 0.18s ease;
    --transition-base: 0.28s ease;
    --transition-slow: 0.5s ease;
    --gradient-hero: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 40%, #ffcc80 100%);
    --gradient-accent: linear-gradient(135deg, #ffb347 0%, #e68a2e 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #fef9f3 100%);
    --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

body.dark-mode {
    --bg-primary: #141414;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2a2a2a;
    --bg-glass: rgba(20, 20, 20, 0.78);
    --bg-glass-border: rgba(255, 179, 71, 0.12);
    --text-primary: #ececec;
    --text-secondary: #c0c0c0;
    --text-tertiary: #a0a0a0;
    --text-muted: #888888;
    --accent: #ffb347;
    --accent-hover: #e6a030;
    --accent-light: #ffcc80;
    --accent-glow: rgba(255, 179, 71, 0.20);
    --border-light: #2e2e2e;
    --border-medium: #404040;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.20);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.30);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.40);
    --shadow-xl: 0 12px 40px rgba(255, 179, 71, 0.08);
    --gradient-hero: linear-gradient(135deg, #1e1e1e 0%, #2a2a2a 40%, #1a1a1a 100%);
    --gradient-accent: linear-gradient(135deg, #ffb347 0%, #e6a030 100%);
    --gradient-card: linear-gradient(145deg, #242424 0%, #1e1e1e 100%);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

img,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

input,
button,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: var(--accent-light);
    color: #1a1a1a;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== HEADER ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-glass);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    backdrop-filter: blur(18px) saturate(1.4);
    border-bottom: 1px solid var(--bg-glass-border);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.03);
    transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

body.dark-mode .site-header {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 10px 0;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.5px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
    text-decoration: none;
}

.logo svg {
    width: 42px;
    height: 42px;
    filter: drop-shadow(0 2px 6px var(--accent-glow));
    transition: transform var(--transition-base);
}

.logo:hover svg {
    transform: rotate(-8deg) scale(1.08);
}

.main-nav ul {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.main-nav a {
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--text-secondary);
    padding: 7px 14px;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent);
    background: rgba(255, 179, 71, 0.12);
    text-decoration: none;
    box-shadow: 0 0 0 1px rgba(255, 179, 71, 0.15);
}

body.dark-mode .main-nav a:hover,
body.dark-mode .main-nav a.active {
    background: rgba(255, 179, 71, 0.10);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-medium);
    border-radius: var(--radius-full);
    padding: 3px 6px 3px 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-base);
}

.search-box:focus-within {
    border-color: var(--accent-light);
    box-shadow: 0 0 0 3px rgba(255, 179, 71, 0.15);
}

.search-box input {
    border: none;
    background: transparent;
    padding: 7px 8px 7px 0;
    font-size: 0.88rem;
    width: 150px;
    outline: none;
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-box button {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 1rem;
    padding: 6px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.search-box button:hover {
    background: rgba(255, 179, 71, 0.12);
    transform: scale(1.1);
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-medium);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: var(--accent);
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-base), box-shadow var(--transition-fast);
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: rgba(255, 179, 71, 0.10);
    border-color: var(--accent-light);
    transform: rotate(20deg) scale(1.05);
    box-shadow: 0 0 0 4px rgba(255, 179, 71, 0.08);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.7rem;
    cursor: pointer;
    color: var(--accent);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    line-height: 1;
}

.mobile-menu-btn:hover {
    background: rgba(255, 179, 71, 0.10);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    padding: 14px 0 0;
    font-size: 0.83rem;
    color: var(--text-tertiary);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: "›";
    margin-left: 6px;
    color: var(--text-muted);
    font-weight: 600;
}

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

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

/* ===== HERO ===== */
.hero {
    padding: 48px 0 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -120px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 179, 71, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

body.dark-mode .hero::before {
    background: radial-gradient(circle, rgba(255, 179, 71, 0.06) 0%, transparent 70%);
}

.hero-content {
    flex: 1 1 500px;
    min-width: 0;
}

.hero-content h1 {
    font-size: clamp(1.7rem, 4vw, 2.7rem);
    line-height: 1.28;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.8px;
    font-weight: 800;
}

.hero-content .highlight {
    color: var(--accent);
    position: relative;
    display: inline;
    background: linear-gradient(180deg, transparent 60%, rgba(255, 179, 71, 0.35) 60%);
    padding: 0 2px;
}

.hero-desc {
    font-size: clamp(0.95rem, 1.8vw, 1.12rem);
    color: var(--text-secondary);
    margin-bottom: 26px;
    max-width: 640px;
    line-height: 1.85;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    margin: 30px 0 24px;
}

.stat-item {
    text-align: left;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -20px;
    top: 10%;
    height: 80%;
    width: 1px;
    background: var(--border-light);
}

.stat-number {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    letter-spacing: -0.5px;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    letter-spacing: 0.6px;
    margin-top: 2px;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1 1 380px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
}

.hero-visual svg {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.hero-visual svg:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 50px rgba(180, 95, 6, 0.18);
}

body.dark-mode .hero-visual svg:hover {
    box-shadow: 0 20px 50px rgba(255, 179, 71, 0.10);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 34px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
    border: none;
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
}

.btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.25) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::after {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #ffffff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #ffffff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px var(--accent-glow);
}

body.dark-mode .btn-primary {
    color: #1a1a1a;
}

body.dark-mode .btn-primary:hover {
    color: #1a1a1a;
}

body.dark-mode .btn-outline:hover {
    color: #1a1a1a;
}

/* ===== SECTIONS ===== */
section {
    padding: 56px 0;
    position: relative;
}

.section-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 14px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 48px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 0.98rem;
    color: var(--text-tertiary);
    margin-bottom: 36px;
    max-width: 720px;
    line-height: 1.8;
}

/* ===== CARD GRID ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 179, 71, 0.25);
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.2px;
}

.card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.card-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
}

/* ===== ARTICLE LIST ===== */
.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.article-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 24px 22px;
    border: 1px solid var(--border-light);
    transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.article-item:hover {
    border-color: rgba(255, 179, 71, 0.35);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.article-item h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    line-height: 1.5;
    font-weight: 700;
}

.article-item h3 a {
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.article-item h3 a:hover {
    color: var(--accent);
    text-decoration: none;
}

.article-item .date {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-item .date::before {
    content: "📅";
    font-size: 0.75rem;
}

.article-item .excerpt {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
    flex: 1;
}

.read-more {
    font-size: 0.88rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition-fast), color var(--transition-fast);
    align-self: flex-start;
}

.read-more:hover {
    gap: 8px;
    text-decoration: none;
}

/* ===== FAQ ===== */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 900px;
}

.faq-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(255, 179, 71, 0.25);
}

.faq-item.active {
    border-color: rgba(255, 179, 71, 0.40);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 24px;
    font-size: 0.96rem;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    transition: background var(--transition-fast);
    gap: 16px;
    line-height: 1.5;
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-question::after {
    content: "＋";
    font-size: 1.15rem;
    font-weight: 400;
    transition: transform var(--transition-base), color var(--transition-fast);
    color: var(--accent);
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 179, 71, 0.10);
}

.faq-item.active .faq-question::after {
    content: "－";
    transform: rotate(180deg);
    background: rgba(255, 179, 71, 0.20);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    padding: 0 24px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.85;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 24px 22px;
}

/* ===== HOWTO ===== */
.howto-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
}

.step-item {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.step-item:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 179, 71, 0.25);
}

.step-number {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: #1f1f1f;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.05rem;
    box-shadow: 0 4px 12px var(--accent-glow);
    transition: transform var(--transition-base);
}

.step-item:hover .step-number {
    transform: scale(1.1) rotate(-6deg);
}

.step-content h4 {
    font-size: 1.02rem;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-weight: 700;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 22px;
    margin-top: 28px;
}

.contact-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    border: 1px solid var(--border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-accent);
    border-radius: 0 3px 3px 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 179, 71, 0.25);
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item strong {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.contact-item span {
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.6;
}

/* ===== TIMELINE ===== */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 820px;
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-light), var(--accent), var(--accent-light));
    border-radius: 2px;
    opacity: 0.4;
}

.timeline-item {
    display: flex;
    gap: 20px;
    padding: 16px 0 16px 20px;
    position: relative;
    transition: transform var(--transition-base);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 24px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-light);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(255, 179, 71, 0.25);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    z-index: 1;
}

.timeline-item:hover::before {
    transform: scale(1.3);
    box-shadow: 0 0 0 5px rgba(255, 179, 71, 0.35);
}

.timeline-item:hover {
    transform: translateX(4px);
}

.timeline-year {
    font-weight: 800;
    color: var(--accent);
    min-width: 64px;
    font-size: 1.05rem;
    flex-shrink: 0;
    letter-spacing: -0.3px;
}

.timeline-text {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
}

/* ===== ANCHOR NAV ===== */
.anchor-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 0 0;
}

.anchor-nav a {
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-full);
    padding: 7px 18px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    font-weight: 500;
}

.anchor-nav a:hover {
    background: var(--accent-light);
    color: #1f1f1f;
    border-color: var(--accent-light);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px var(--accent-glow);
}

/* ===== BANNER SLIDER ===== */
.banner-slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    margin: 20px 0;
    box-shadow: var(--shadow-lg);
}

.slides {
    display: flex;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100%;
    padding: 48px 36px;
    background: var(--gradient-hero);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.slide::after {
    content: "";
    position: absolute;
    top: -40%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 179, 71, 0.20) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.slide h3 {
    font-size: 1.45rem;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.slide p {
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
    max-width: 600px;
    line-height: 1.8;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 18px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-medium);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast), width var(--transition-base);
    border: none;
    padding: 0;
}

.dot.active {
    background: var(--accent);
    transform: scale(1.2);
    width: 26px;
    border-radius: var(--radius-full);
}

.dot:hover {
    background: var(--accent-light);
}

/* ===== FOOTER ===== */
.site-footer {
    background: #2c241c;
    color: #d0c0b0;
    padding: 56px 0 28px;
    margin-top: 48px;
    position: relative;
    overflow: hidden;
}

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

body.dark-mode .site-footer {
    background: #0e0e0e;
    color: #a0a0a0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 36px;
    margin-bottom: 36px;
}

.footer-col h4 {
    color: var(--accent-light);
    font-size: 0.95rem;
    margin-bottom: 18px;
    font-weight: 700;
    letter-spacing: 0.3px;
    position: relative;
    display: inline-block;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--accent-light);
    border-radius: 2px;
    opacity: 0.6;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: #d0c0b0;
    font-size: 0.88rem;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
    display: inline-block;
}

.footer-col a:hover {
    color: var(--accent-light);
    text-decoration: none;
    padding-left: 4px;
}

.footer-col p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: #b8a898;
}

.footer-bottom {
    border-top: 1px solid #4a3e34;
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: #a09080;
    gap: 14px;
}

.footer-bottom a {
    color: #a09080;
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--accent-light);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-size: 1.35rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 22px var(--accent-glow);
    z-index: 999;
    transition: background var(--transition-fast), transform var(--transition-base), box-shadow var(--transition-fast), opacity var(--transition-base);
    opacity: 0;
}

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.back-to-top.visible {
    display: flex;
    opacity: 1;
}

body.dark-mode .back-to-top {
    color: #1a1a1a;
}

/* ===== LAZY SVG ===== */
.lazy-svg {
    opacity: 0;
    transition: opacity 0.7s ease, transform 0.7s ease;
    transform: scale(0.96);
}

.lazy-svg.loaded {
    opacity: 1;
    transform: scale(1);
}

/* ===== FADE IN ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in:nth-child(2) { transition-delay: 0.06s; }
.fade-in:nth-child(3) { transition-delay: 0.12s; }
.fade-in:nth-child(4) { transition-delay: 0.18s; }
.fade-in:nth-child(5) { transition-delay: 0.24s; }
.fade-in:nth-child(6) { transition-delay: 0.30s; }

/* ===== SITEMAP & LINKS ===== */
#sitemap ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.88rem;
}

#sitemap h4 {
    margin-bottom: 14px;
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: 700;
}

#sitemap a {
    color: var(--text-secondary);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
    display: inline-block;
}

#sitemap a:hover {
    color: var(--accent);
    padding-left: 4px;
    text-decoration: none;
}

/* ===== DARK MODE OVERRIDES ===== */
body.dark-mode .site-footer::before {
    background: var(--gradient-accent);
}

body.dark-mode .footer-bottom {
    border-top-color: #2a2a2a;
}

body.dark-mode .footer-col p {
    color: #909090;
}

body.dark-mode .timeline::before {
    opacity: 0.3;
}

body.dark-mode .timeline-item::before {
    border-color: #141414;
}

body.dark-mode .step-number {
    color: #1a1a1a;
}

body.dark-mode .slide::after {
    background: radial-gradient(circle, rgba(255, 179, 71, 0.08) 0%, transparent 70%);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero {
        gap: 32px;
    }

    .hero-stats {
        gap: 28px;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 860px) {
    .container {
        padding: 0 18px;
    }

    .main-nav {
        display: none;
        width: 100%;
        order: 3;
        padding: 16px 0 8px;
        border-top: 1px solid var(--border-light);
        margin-top: 8px;
    }

    .main-nav.open {
        display: block;
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .main-nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .main-nav a {
        display: block;
        padding: 10px 14px;
        border-radius: var(--radius-sm);
    }

    .mobile-menu-btn {
        display: block;
        order: 2;
    }

    .header-actions {
        order: 1;
        margin-left: auto;
    }

    .header-inner {
        gap: 8px;
    }

    .hero {
        padding: 32px 0 24px;
        gap: 28px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-stats {
        gap: 24px;
        margin: 24px 0 20px;
    }

    .hero-visual {
        flex: 1 1 100%;
    }

    .hero-visual svg {
        max-width: 340px;
    }

    .search-box input {
        width: 110px;
    }

    section {
        padding: 44px 0;
    }

    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 18px;
    }

    .article-list {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .step-item {
        padding: 16px 18px;
        gap: 16px;
    }

    .contact-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 16px;
    }

    .footer-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 28px;
    }

    .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 14px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
        letter-spacing: -0.3px;
    }

    .hero-desc {
        font-size: 0.92rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .section-subtitle {
        font-size: 0.88rem;
        margin-bottom: 26px;
    }

    .card {
        padding: 22px 20px;
        border-radius: var(--radius-md);
    }

    .card h3 {
        font-size: 1.05rem;
    }

    .card p {
        font-size: 0.86rem;
    }

    .article-item {
        padding: 20px 18px;
    }

    .article-item h3 {
        font-size: 0.98rem;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 0.9rem;
    }

    .faq-answer {
        padding: 0 18px;
        font-size: 0.86rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 18px 18px;
    }

    .step-item {
        padding: 14px 16px;
        gap: 14px;
    }

    .step-number {
        width: 36px;
        height: 36px;
        font-size: 0.92rem;
    }

    .step-content h4 {
        font-size: 0.94rem;
    }

    .step-content p {
        font-size: 0.84rem;
    }

    .contact-item {
        padding: 18px 20px;
    }

    .timeline {
        padding-left: 22px;
    }

    .timeline-item {
        padding: 12px 0 12px 16px;
    }

    .timeline-year {
        font-size: 0.95rem;
        min-width: 56px;
    }

    .timeline-text {
        font-size: 0.86rem;
    }

    .slide {
        padding: 32px 24px;
    }

    .slide h3 {
        font-size: 1.2rem;
    }

    .slide p {
        font-size: 0.88rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .anchor-nav a {
        padding: 6px 14px;
        font-size: 0.78rem;
    }
}

@media (max-width: 480px) {
    .search-box {
        display: none;
    }

    .hero-content h1 {
        font-size: 1.35rem;
    }

    .hero-stats {
        gap: 16px;
    }

    .stat-number {
        font-size: 1.35rem;
    }

    .btn {
        padding: 11px 26px;
        font-size: 0.88rem;
    }

    .hero-actions {
        gap: 10px;
    }

    .hero-actions .btn {
        flex: 1;
        min-width: 0;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .logo svg {
        width: 36px;
        height: 36px;
    }
}

/* ===== ACCESSIBILITY & PREFERS ===== */
@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;
    }

    .fade-in {
        opacity: 1;
        transform: none;
    }

    .lazy-svg {
        opacity: 1;
        transform: none;
    }
}

@media print {
    .site-header,
    .back-to-top,
    .mobile-menu-btn,
    .theme-toggle,
    .search-box {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .card,
    .article-item,
    .faq-item,
    .step-item,
    .contact-item {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
    outline: 2px solid var(--accent-light);
    outline-offset: 3px;
    border-radius: 4px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent-light);
    outline-offset: 2px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-tertiary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-light);
}

body.dark-mode ::-webkit-scrollbar-track {
    background: #1a1a1a;
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: #3a3a3a;
    border-color: #1a1a1a;
}