:root {
    --primary: #e94560;
    --primary-dark: #c62a45;
    --primary-light: #ff6b8a;
    --accent: #ff6b6b;
    --accent-2: #ffa726;
    --bg: #f4f6fb;
    --bg-alt: #eef1f8;
    --surface: #ffffff;
    --surface-glass: rgba(255, 255, 255, 0.72);
    --surface-glass-border: rgba(255, 255, 255, 0.5);
    --text: #16162a;
    --text-secondary: #4a4a6a;
    --text-muted: #7a7a96;
    --border: #e2e4ed;
    --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
    --shadow: 0 6px 28px rgba(26, 26, 46, 0.09);
    --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.14);
    --shadow-glow: 0 8px 32px rgba(233, 69, 96, 0.28);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --nav-height: 68px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --primary: #ff4d6d;
    --primary-dark: #e94560;
    --primary-light: #ff7a95;
    --accent: #ff6b6b;
    --accent-2: #ffb74d;
    --bg: #0a0a14;
    --bg-alt: #0f0f1e;
    --surface: #16162a;
    --surface-glass: rgba(22, 22, 42, 0.78);
    --surface-glass-border: rgba(255, 255, 255, 0.08);
    --text: #eaeaf5;
    --text-secondary: #a8a8c0;
    --text-muted: #6e6e8a;
    --border: #262640;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow: 0 6px 28px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 8px 32px rgba(255, 77, 109, 0.35);
}

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

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

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

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

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

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

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

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    border: 2px solid var(--bg-alt);
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--surface-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--surface-glass-border);
    z-index: 1000;
    transition: box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
    background: var(--surface-glass);
    border-bottom-color: var(--border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: -0.02em;
    transition: transform var(--transition);
}

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

.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.15rem;
    font-weight: 900;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.logo-mark::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.35) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.logo:hover .logo-mark::after {
    transform: translateX(100%);
}

.logo:hover .logo-mark {
    transform: rotate(-6deg) scale(1.08);
    box-shadow: 0 10px 36px rgba(233, 69, 96, 0.45);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-links a {
    display: block;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-2));
    border-radius: 2px;
    transform: translateX(-50%);
    transition: width var(--transition);
}

.nav-links a:hover {
    background: rgba(233, 69, 96, 0.08);
    color: var(--primary);
    transform: translateY(-1px);
}

.nav-links a:hover::after {
    width: 60%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 4px 4px 4px 14px;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.12);
    background: var(--surface);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    color: var(--text);
    font-size: 0.88rem;
    width: 130px;
    font-family: inherit;
}

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

.search-box button {
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: transform var(--transition), box-shadow var(--transition);
    flex-shrink: 0;
}

.search-box button:hover {
    transform: scale(1.1) rotate(8deg);
    box-shadow: var(--shadow-glow);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.icon-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px) rotate(10deg);
    box-shadow: var(--shadow-sm);
}

.icon-btn:active {
    transform: translateY(0) scale(0.95);
}

.menu-toggle {
    display: none;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface-glass);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    z-index: 999;
    padding: 24px;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity var(--transition), transform var(--transition);
}

.mobile-menu.open {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu a {
    display: block;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 500;
    font-size: 1rem;
    border: 1px solid var(--border);
    background: var(--surface);
    transition: background var(--transition), color var(--transition), transform var(--transition), border-color var(--transition);
}

.mobile-menu a:hover {
    background: rgba(233, 69, 96, 0.08);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateX(6px);
}

.breadcrumb {
    margin-top: calc(var(--nav-height) + 16px);
    padding: 12px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.breadcrumb li + li::before {
    content: "›";
    margin-right: 6px;
    color: var(--text-muted);
}

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

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

.breadcrumb [aria-current="page"] {
    color: var(--primary);
    font-weight: 600;
}

.hero {
    margin-top: 8px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 45%, #0f3460 100%);
    min-height: 440px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 85%, rgba(233, 69, 96, 0.3), transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(255, 167, 38, 0.22), transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(15, 52, 96, 0.4), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

.hero-slides {
    display: flex;
    width: 100%;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.hero-slide {
    min-width: 100%;
    padding: 64px 52px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    position: relative;
}

.hero-slide h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 18px;
    max-width: 720px;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    animation: heroFadeUp 0.8s ease both;
}

.hero-slide h1 .accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent);
}

.hero-slide p {
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    margin-bottom: 30px;
    line-height: 1.85;
    animation: heroFadeUp 0.8s ease 0.12s both;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    animation: heroFadeUp 0.8s ease 0.24s both;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(233, 69, 96, 0.5);
    color: #fff;
}

.btn-outline {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.hero-dots {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: background var(--transition), width var(--transition), transform var(--transition);
    padding: 0;
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.hero-dot.active {
    background: linear-gradient(90deg, var(--primary), var(--accent-2));
    width: 30px;
    border-radius: 6px;
    box-shadow: 0 0 12px rgba(233, 69, 96, 0.6);
}

section {
    padding: 56px 0;
}

.section-header {
    margin-bottom: 38px;
}

.section-header h2 {
    font-size: clamp(1.4rem, 2.6vw, 1.95rem);
    font-weight: 800;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
    letter-spacing: -0.02em;
}

.section-header h2::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 52px;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-2));
    transition: width var(--transition);
}

.section-header:hover h2::after {
    width: 100%;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    max-width: 720px;
    margin-top: 18px;
    line-height: 1.8;
}

.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(233, 69, 96, 0.25);
}

.card h3 {
    font-size: 1.12rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    letter-spacing: -0.01em;
}

.card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

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

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(255, 167, 38, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 24px rgba(233, 69, 96, 0.2);
}

.card-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: var(--surface-glass);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.06), transparent 50%);
    pointer-events: none;
}

.stat-item {
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border);
}

.stat-number {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.article-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.article-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.article-item::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--accent-2));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition);
}

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

.article-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(233, 69, 96, 0.25);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.article-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(255, 167, 38, 0.1));
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    transition: transform var(--transition);
}

.article-item:hover .article-tag {
    transform: scale(1.05);
}

.article-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.55;
    letter-spacing: -0.01em;
}

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

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

.article-item p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.75;
    flex: 1;
    margin-bottom: 16px;
}

.read-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
    transition: gap var(--transition), color var(--transition);
}

.read-more:hover {
    gap: 10px;
    color: var(--primary-dark);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.faq-item:hover {
    border-color: rgba(233, 69, 96, 0.3);
    box-shadow: var(--shadow-sm);
}

.faq-item.active {
    border-color: rgba(233, 69, 96, 0.45);
    box-shadow: var(--shadow);
    background: var(--surface);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 26px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    font-family: inherit;
    line-height: 1.6;
    transition: color var(--transition), background var(--transition);
}

.faq-question:hover {
    color: var(--primary);
    background: rgba(233, 69, 96, 0.03);
}

.faq-toggle {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(255, 167, 38, 0.1));
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: transform var(--transition), background var(--transition);
    font-weight: 300;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    color: #fff;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 26px;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 26px 22px;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.85;
    padding-top: 4px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.step {
    display: flex;
    gap: 20px;
    padding-bottom: 30px;
    position: relative;
}

.step:last-child {
    padding-bottom: 0;
}

.step::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 46px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--border));
}

.step:last-child::before {
    display: none;
}

.step-num {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
    transition: transform var(--transition), box-shadow var(--transition);
}

.step:hover .step-num {
    transform: scale(1.12);
    box-shadow: 0 6px 22px rgba(233, 69, 96, 0.5);
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.75;
}

.testimonial {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    overflow: hidden;
}

.testimonial::before {
    content: "\201C";
    position: absolute;
    top: 0;
    left: 22px;
    font-size: 5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary);
    font-family: Georgia, serif;
    line-height: 1;
    opacity: 0.35;
}

.testimonial:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(233, 69, 96, 0.25);
}

.testimonial p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.85;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    padding-top: 18px;
}

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

.avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
    transition: transform var(--transition);
}

.testimonial:hover .avatar {
    transform: scale(1.08) rotate(-5deg);
}

.author-info strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text);
}

.author-info span {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.contact-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(233, 69, 96, 0.25);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    margin-top: 3px;
    transition: transform var(--transition);
}

.contact-item:hover svg {
    transform: scale(1.15) rotate(-8deg);
}

.contact-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.contact-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    word-break: break-all;
}

footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
    margin-top: 40px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-2), var(--primary));
    background-size: 200% 100%;
    animation: gradientShift 4s linear infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 44px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.85;
    margin-top: 16px;
    max-width: 340px;
}

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

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-2));
    border-radius: 2px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.86rem;
    transition: color var(--transition), padding-left var(--transition);
    display: inline-block;
}

.footer-col a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 26px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: var(--text-muted);
    transition: color var(--transition);
}

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

.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.9);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow 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(1.08);
    box-shadow: 0 12px 36px rgba(233, 69, 96, 0.55);
}

.back-to-top:active {
    transform: translateY(-2px) scale(1);
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    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);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud a {
    display: inline-block;
    padding: 7px 18px;
    border-radius: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.82rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.tag-cloud a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(255, 167, 38, 0.08));
    opacity: 0;
    transition: opacity var(--transition);
}

.tag-cloud a:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.tag-cloud a:hover::before {
    opacity: 1;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-slide {
        padding: 52px 40px;
    }
}

@media (max-width: 860px) {
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .search-box {
        display: none;
    }
    .hero {
        min-height: 400px;
        border-radius: var(--radius);
    }
    .hero-slide {
        padding: 44px 28px;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .article-list {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px 16px;
        padding: 32px 24px;
    }
    .stat-item + .stat-item::before {
        display: none;
    }
    section {
        padding: 44px 0;
    }
}

@media (max-width: 560px) {
    .container {
        padding: 0 16px;
    }
    .nav-inner {
        padding: 0 16px;
    }
    .logo {
        font-size: 1.15rem;
    }
    .logo-mark {
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .stats {
        grid-template-columns: 1fr 1fr;
        padding: 24px 16px;
        gap: 20px 12px;
    }
    .stat-number {
        font-size: 1.6rem;
    }
    .hero {
        min-height: 360px;
    }
    .hero-slide {
        padding: 36px 20px;
    }
    .hero-slide h1 {
        font-size: 1.5rem;
    }
    .hero-slide p {
        font-size: 0.9rem;
        margin-bottom: 22px;
    }
    .btn {
        padding: 11px 22px;
        font-size: 0.88rem;
    }
    .card {
        padding: 22px;
    }
    .article-item {
        padding: 22px;
    }
    .testimonial {
        padding: 26px;
    }
    .faq-question {
        padding: 16px 20px;
        font-size: 0.94rem;
    }
    .faq-answer {
        padding: 0 20px;
    }
    .faq-item.active .faq-answer {
        padding: 0 20px 18px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
    .section-header h2 {
        font-size: 1.3rem;
    }
    .section-header p {
        font-size: 0.9rem;
    }
    section {
        padding: 36px 0;
    }
}

@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 {
    .navbar,
    .mobile-menu,
    .back-to-top,
    .hero-dots,
    .hero-actions {
        display: none !important;
    }
    body {
        background: #fff;
        color: #000;
    }
    .card,
    .article-item,
    .faq-item {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}