:root {
    --color-bg: #f7f3ee;
    --color-surface: #fffdf9;
    --color-surface-glass: rgba(255, 253, 249, 0.72);
    --color-surface-glass-strong: rgba(255, 253, 249, 0.88);
    --color-text: #3d3a35;
    --color-text-light: #7a756d;
    --color-primary: #b89b7a;
    --color-primary-dark: #9a7d5e;
    --color-primary-light: #d4c0a8;
    --color-accent: #7d9b8a;
    --color-accent-light: #a8c4b4;
    --color-accent-dark: #5f7d6c;
    --color-border: #e5ddd3;
    --color-border-light: rgba(229, 221, 211, 0.6);
    --color-shadow: rgba(60, 50, 40, 0.08);
    --color-shadow-hover: rgba(60, 50, 40, 0.16);
    --color-shadow-lg: rgba(60, 50, 40, 0.12);
    --gradient-hero-1: linear-gradient(135deg, #f7f3ee 0%, #ede4d8 40%, #e0d8cc 100%);
    --gradient-hero-2: linear-gradient(135deg, #f2ede6 0%, #e2ece4 50%, #d8e4dc 100%);
    --gradient-hero-3: linear-gradient(135deg, #f5f0ea 0%, #e8e0d4 45%, #dce8dc 100%);
    --gradient-primary: linear-gradient(135deg, #b89b7a 0%, #9a7d5e 100%);
    --gradient-accent: linear-gradient(135deg, #7d9b8a 0%, #5f7d6c 100%);
    --gradient-warm: linear-gradient(135deg, #d4c0a8 0%, #b89b7a 50%, #a8c4b4 100%);
    --gradient-card-shine: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 60%);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-heading: "Songti SC", "SimSun", "Noto Serif SC", serif;
    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --max-width: 1180px;
    --glass-blur: 16px;
}

[data-theme="dark"] {
    --color-bg: #1a1816;
    --color-surface: #24211e;
    --color-surface-glass: rgba(36, 33, 30, 0.72);
    --color-surface-glass-strong: rgba(36, 33, 30, 0.88);
    --color-text: #e8e2d9;
    --color-text-light: #a8a098;
    --color-primary: #c9ab88;
    --color-primary-dark: #dbbf9e;
    --color-primary-light: #8a7058;
    --color-accent: #8fb8a2;
    --color-accent-light: #6d9a84;
    --color-accent-dark: #b0d4c0;
    --color-border: #3d3833;
    --color-border-light: rgba(61, 56, 51, 0.6);
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-shadow-hover: rgba(0, 0, 0, 0.5);
    --color-shadow-lg: rgba(0, 0, 0, 0.4);
    --gradient-hero-1: linear-gradient(135deg, #1a1816 0%, #2a2520 40%, #24211e 100%);
    --gradient-hero-2: linear-gradient(135deg, #1e1c1a 0%, #1f2a24 50%, #24211e 100%);
    --gradient-hero-3: linear-gradient(135deg, #1a1816 0%, #262220 45%, #1e2a22 100%);
    --gradient-primary: linear-gradient(135deg, #c9ab88 0%, #9a7d5e 100%);
    --gradient-accent: linear-gradient(135deg, #8fb8a2 0%, #5f7d6c 100%);
    --gradient-warm: linear-gradient(135deg, #8a7058 0%, #c9ab88 50%, #6d9a84 100%);
    --gradient-card-shine: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 60%);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 16px;
    transition: background-color var(--transition), color var(--transition);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color var(--transition);
}

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

ul {
    list-style: none;
}

::selection {
    background-color: rgba(184, 155, 122, 0.25);
    color: var(--color-text);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

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

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

.section {
    padding: 88px 0;
    position: relative;
}

.section-alt {
    background-color: var(--color-surface);
    position: relative;
    overflow: hidden;
}

.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.section-alt::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
    position: relative;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 14px;
    letter-spacing: 0.03em;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 3px;
    background: var(--gradient-warm);
    border-radius: 2px;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.9;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-surface-glass);
    backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
    border-bottom: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition), background-color var(--transition);
}

.site-nav.scrolled {
    box-shadow: 0 4px 24px var(--color-shadow);
    background-color: var(--color-surface-glass-strong);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.04em;
    transition: transform var(--transition);
}

.nav-brand:hover {
    transform: scale(1.03);
    color: var(--color-text);
}

.nav-brand svg {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    transition: transform var(--transition-slow);
}

.nav-brand:hover svg {
    transform: rotate(12deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--color-text-light);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
    font-weight: 500;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: width var(--transition);
}

.nav-links a:hover {
    color: var(--color-primary-dark);
}

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

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

.nav-search {
    display: flex;
    align-items: center;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 7px 16px;
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.nav-search:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(184, 155, 122, 0.12);
    background-color: var(--color-surface);
}

.nav-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.9rem;
    color: var(--color-text);
    width: 140px;
    font-family: var(--font-body);
}

.nav-search input::placeholder {
    color: var(--color-text-light);
    opacity: 0.7;
}

.nav-search button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    color: var(--color-text-light);
    transition: color var(--transition), transform var(--transition);
}

.nav-search button:hover {
    color: var(--color-primary-dark);
    transform: scale(1.15);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-light);
    transition: all var(--transition);
}

.theme-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    background-color: var(--color-bg);
    transform: rotate(30deg) scale(1.05);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text);
    transition: all var(--transition);
}

.mobile-menu-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-surface-glass-strong);
    backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    z-index: 999;
    box-shadow: 0 12px 32px var(--color-shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
}

.mobile-nav.open {
    display: block;
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 1rem;
    color: var(--color-text);
    transition: color var(--transition), padding-left var(--transition);
}

.mobile-nav a:hover {
    color: var(--color-primary-dark);
    padding-left: 8px;
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.hero {
    position: relative;
    overflow: hidden;
    background-color: var(--color-surface);
}

.hero-slider {
    position: relative;
    height: 560px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.9s ease;
    pointer-events: none;
}

.hero-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.hero-slide:nth-child(1) {
    background: var(--gradient-hero-1);
}

.hero-slide:nth-child(2) {
    background: var(--gradient-hero-2);
}

.hero-slide:nth-child(3) {
    background: var(--gradient-hero-3);
}

.hero-slide-content {
    text-align: center;
    padding: 0 24px;
    max-width: 780px;
    position: relative;
    z-index: 2;
}

.hero-slide-content h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: 0.04em;
    line-height: 1.3;
    text-shadow: 0 2px 12px rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .hero-slide-content h1 {
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero-slide-content p {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 2;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-slide-content .hero-cta {
    display: inline-block;
    padding: 14px 40px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 32px;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    box-shadow: 0 6px 20px rgba(184, 155, 122, 0.35);
    position: relative;
    overflow: hidden;
}

.hero-slide-content .hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.hero-slide-content .hero-cta:hover::before {
    left: 100%;
}

.hero-slide-content .hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(184, 155, 122, 0.45);
    color: #fff;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.45;
    pointer-events: none;
}

[data-theme="dark"] .hero-slide-bg {
    opacity: 0.25;
}

.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
    position: relative;
}

.hero-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--color-primary);
    transition: transform var(--transition);
}

.hero-dot.active {
    background: var(--gradient-primary);
    transform: scale(1.4);
}

.hero-dot.active::after {
    transform: translate(-50%, -50%) scale(1);
}

.hero-dot:hover {
    background-color: var(--color-primary-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.stat-card {
    text-align: center;
    padding: 36px 20px;
    background-color: var(--color-surface-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-warm);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px var(--color-shadow-hover);
    border-color: var(--color-primary-light);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.92rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card-shine);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
    border-radius: var(--radius-md);
}

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

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px var(--color-shadow-hover);
    border-color: var(--color-primary-light);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--color-bg);
    transition: transform var(--transition-slow);
}

.card:hover .card-img {
    transform: scale(1.04);
}

.card-body {
    padding: 28px;
}

.card-body h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
    transition: color var(--transition);
}

.card:hover .card-body h3 {
    color: var(--color-primary-dark);
}

.card-body p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

.article-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.article-item {
    background-color: var(--color-surface-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}

.article-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform var(--transition);
    border-radius: 0 2px 2px 0;
}

.article-item:hover::before {
    transform: scaleY(1);
}

.article-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--color-shadow-hover);
    border-color: var(--color-primary-light);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.article-meta time {
    position: relative;
    padding-left: 18px;
}

.article-meta time::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1.5px solid var(--color-primary-light);
}

.article-item h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
    line-height: 1.5;
    transition: color var(--transition);
}

.article-item:hover h3 {
    color: var(--color-primary-dark);
}

.article-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 16px;
}

.article-item .read-more {
    font-size: 0.88rem;
    color: var(--color-primary-dark);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition), color var(--transition);
}

.article-item .read-more:hover {
    color: var(--color-accent);
    gap: 10px;
}

.faq-list {
    max-width: 840px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    background-color: var(--color-surface-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.faq-item:hover {
    box-shadow: 0 6px 20px var(--color-shadow);
    border-color: var(--color-primary-light);
}

.faq-item.open {
    border-color: var(--color-primary);
    box-shadow: 0 8px 28px var(--color-shadow-hover);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    font-family: var(--font-body);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
    gap: 16px;
}

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

.faq-question .faq-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    position: relative;
    transition: transform var(--transition);
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.faq-question .faq-icon::before {
    top: 10px;
    left: 2px;
    width: 18px;
    height: 2px;
}

.faq-question .faq-icon::after {
    top: 2px;
    left: 10px;
    width: 2px;
    height: 18px;
}

.faq-item.open .faq-question .faq-icon {
    transform: rotate(135deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s ease, padding 0.45s ease;
    padding: 0 28px;
}

.faq-item.open .faq-answer {
    max-height: 600px;
    padding: 0 28px 24px;
}

.faq-answer p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 2;
}

.howto-steps {
    max-width: 840px;
    margin: 0 auto;
}

.howto-step {
    display: flex;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border-light);
    transition: transform var(--transition), padding-left var(--transition);
}

.howto-step:hover {
    transform: translateX(6px);
    padding-left: 8px;
}

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

.howto-step-num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.15rem;
    font-family: var(--font-heading);
    box-shadow: 0 4px 14px rgba(184, 155, 122, 0.35);
    transition: transform var(--transition-bounce), box-shadow var(--transition);
}

.howto-step:hover .howto-step-num {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 20px rgba(184, 155, 122, 0.5);
}

.howto-step-body h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.howto-step-body p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    transition: transform var(--transition);
}

.contact-info-item:hover {
    transform: translateX(6px);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    transition: all var(--transition);
}

.contact-info-item:hover .contact-icon {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(184, 155, 122, 0.35);
}

.contact-info-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.contact-info-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    background-color: var(--color-surface-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px;
    transition: box-shadow var(--transition);
}

.contact-form:hover {
    box-shadow: 0 12px 36px var(--color-shadow);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 0.92rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(184, 155, 122, 0.12);
    background-color: var(--color-surface);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-light);
    opacity: 0.7;
}

.contact-form textarea {
    min-height: 130px;
    resize: vertical;
    line-height: 1.8;
}

.contact-form button {
    padding: 14px 36px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 32px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-body);
    align-self: flex-start;
    box-shadow: 0 6px 20px rgba(184, 155, 122, 0.35);
    position: relative;
    overflow: hidden;
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.contact-form button:hover::before {
    left: 100%;
}

.contact-form button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(184, 155, 122, 0.45);
}

.site-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-warm);
    opacity: 0.6;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--color-text);
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--color-text);
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 0.88rem;
    color: var(--color-text-light);
    transition: color var(--transition), padding-left var(--transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--color-primary-dark);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid var(--color-border-light);
    padding-top: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-text-light);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.82rem;
    color: var(--color-text-light);
    transition: color var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--color-primary-dark);
}

.back-to-top {
    position: fixed;
    bottom: 36px;
    right: 36px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(184, 155, 122, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.9);
    transition: all var(--transition);
    z-index: 900;
}

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

.back-to-top:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 28px rgba(184, 155, 122, 0.55);
}

.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.breadcrumb {
    padding: 18px 0;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

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

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

.breadcrumb span {
    margin: 0 10px;
    opacity: 0.6;
}

.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;
}

@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .hero-slide-content h1 {
        font-size: 2.4rem;
    }
    .section {
        padding: 72px 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .nav-search {
        display: none;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .hero-slider {
        height: 440px;
    }
    .hero-slide-content h1 {
        font-size: 1.9rem;
    }
    .hero-slide-content p {
        font-size: 1rem;
    }
    .hero-slide-content .hero-cta {
        padding: 12px 32px;
        font-size: 0.95rem;
    }
    .card-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .article-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .section {
        padding: 56px 0;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
    .section-header p {
        font-size: 0.95rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-bottom-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    .container {
        padding: 0 20px;
    }
    .contact-form {
        padding: 28px;
    }
    .article-item {
        padding: 24px;
    }
    .card-body {
        padding: 24px;
    }
    .howto-step {
        gap: 16px;
        padding: 24px 0;
    }
    .howto-step-num {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
    .faq-question {
        padding: 16px 20px;
        font-size: 0.95rem;
    }
    .faq-answer {
        padding: 0 20px;
    }
    .faq-item.open .faq-answer {
        padding: 0 20px 20px;
    }
    .stat-number {
        font-size: 2rem;
    }
    .stat-card {
        padding: 28px 16px;
    }
    .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-number {
        font-size: 1.6rem;
    }
    .stat-label {
        font-size: 0.82rem;
    }
    .stat-card {
        padding: 22px 12px;
    }
    .hero-slider {
        height: 400px;
    }
    .hero-slide-content h1 {
        font-size: 1.55rem;
    }
    .hero-slide-content p {
        font-size: 0.92rem;
        line-height: 1.8;
    }
    .hero-slide-content .hero-cta {
        padding: 11px 28px;
        font-size: 0.9rem;
    }
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
    .section-header h2 {
        font-size: 1.4rem;
    }
    .container {
        padding: 0 16px;
    }
    .contact-form {
        padding: 22px;
    }
    .article-item {
        padding: 20px;
    }
    .card-body {
        padding: 20px;
    }
    .hero-dots {
        bottom: 20px;
    }
    .hero-dot {
        width: 8px;
        height: 8px;
    }
    .howto-step-num {
        width: 38px;
        height: 38px;
        font-size: 0.95rem;
    }
    .footer-grid {
        gap: 28px;
    }
}

@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;
    }
}

@media print {
    .site-nav,
    .mobile-nav,
    .back-to-top,
    .hero-dots,
    .contact-form button {
        display: none !important;
    }
    body {
        background: #fff;
        color: #000;
    }
    .hero-slider {
        height: auto;
    }
    .hero-slide {
        position: static;
        opacity: 1;
        pointer-events: auto;
    }
    .hero-slide:not(:first-child) {
        display: none;
    }
}