/* ============================================
 * 原点视界 - 主样式表 v1
 * 设计基准: 1440px 桌面端
 * 设计系统: 深海专业感
 * ============================================ */

/* ---------- Google Fonts ---------- */
/* Google Fonts removed - using system fonts for China accessibility */

/* ============================================
 * DESIGN SYSTEM — CSS Custom Properties
 * ============================================ */
:root {
    /* == Colors == */
    /* Primary - 深海蓝 */
    --primary: #1B3A8C;
    --primary-dark: #142D6E;
    --primary-light: #2A4FB5;
    --primary-bg: rgba(27,58,140,0.06);
    --primary-bg-strong: rgba(27,58,140,0.1);

    /* Neutral */
    --black: #1A1A2E;
    --gray-900: #0F172A;
    --gray-800: #1E293B;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E8EDF3;
    --gray-100: #F8FAFC;
    --white: #FFFFFF;

    /* Accent */
    --accent: #D4A574;
    --accent-light: #E8C9A0;
    --accent-bg: rgba(212,165,116,0.1);

    /* Functional */
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --star: #FFB800;

    /* == Typography == */
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-serif: 'Noto Serif SC', 'Songti SC', Georgia, 'Times New Roman', serif;

    /* == Spacing (8px base) == */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;

    /* == Radius == */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* == Shadows == */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(27,58,140,0.12);
    --shadow-hover: 0 20px 60px rgba(27,58,140,0.18);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);

    /* == Transitions == */
    --transition-fast: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
    --transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* == Layout == */
    --container-max: 1200px;
    --nav-height: 72px;

    /* == Gradients == */
    --hero-overlay: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(27,58,140,0.7) 100%);
    --btn-gradient: linear-gradient(135deg, #1B3A8C 0%, #2A4FB5 100%);
    --card-glow: linear-gradient(135deg, rgba(27,58,140,0.03) 0%, rgba(212,165,116,0.05) 100%);
    --cta-bg: linear-gradient(135deg, #F8FAFC 0%, rgba(27,58,140,0.05) 100%);
    --brand-hero: linear-gradient(135deg, #1A1A2E 0%, #142D6E 100%);
    --sidebar-cta: linear-gradient(135deg, #1B3A8C 0%, #2A4FB5 100%);
}

/* ============================================
 * RESET & BASE
 * ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }

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

/* ============================================
 * UTILITY CLASSES
 * ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-padding {
    padding: var(--space-24) 0;
}

@media (max-width: 1023px) {
    .section-padding { padding: var(--space-20) 0; }
}
@media (max-width: 767px) {
    .section-padding { padding: var(--space-16) 0; }
    .container { padding: 0 var(--space-4); }
}

.bg-light { background: var(--gray-100); }
.bg-white { background: var(--white); }
.bg-dark { background: var(--black); }
.text-center { text-align: center; }

/* ============================================
 * TYPOGRAPHY
 * ============================================ */
h1, h2, h3, h4, h5, h6 { color: var(--black); line-height: 1.3; }
h1 { font: 700 52px/1.2 var(--font-serif); }
h2 { font: 700 40px/1.3 var(--font-serif); }
h3 { font: 700 36px/1.3 var(--font-serif); }
h4 { font: 700 28px/1.3 var(--font-serif); }
h5 { font: 700 24px/1.4 var(--font-serif); }
h6 { font: 600 20px/1.4 var(--font-sans); }

@media (max-width: 1023px) {
    h1 { font-size: 40px; }
    h2 { font-size: 32px; }
    h3 { font-size: 28px; }
    h4 { font-size: 24px; }
    h5 { font-size: 20px; }
}
@media (max-width: 767px) {
    h1 { font-size: 32px; }
    h2 { font-size: 28px; }
    h3 { font-size: 26px; }
    h4 { font-size: 22px; }
    h5 { font-size: 18px; }
}

/* ============================================
 * BUTTONS
 * ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font: 500 15px var(--font-sans);
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    touch-action: manipulation;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-outline-light {
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}
.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-light {
    background: var(--white);
    color: var(--primary);
}
.btn-light:hover {
    background: var(--gray-100);
    color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }

/* ============================================
 * HEADER / NAVIGATION
 * ============================================ */
/* Skip to content (accessibility) */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    font: 500 14px var(--font-sans);
    text-decoration: none;
}
.skip-link:focus {
    top: var(--space-2);
}

/* Global focus-visible styles */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.site-header.hidden {
    transform: translateY(-100%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    flex-shrink: 0;
}
.logo img {
    height: 40px;
    width: auto;
}
.logo-text {
    font: 700 20px var(--font-sans);
    color: var(--primary);
}
.logo-slogan {
    font: 400 11px var(--font-sans);
    color: var(--gray-400);
    display: block;
}

.main-nav ul {
    display: flex;
    gap: var(--space-1);
    align-items: center;
}
.main-nav a {
    display: block;
    padding: 8px 16px;
    font: 500 15px var(--font-sans);
    color: var(--gray-500);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Hamburger Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    padding: calc(var(--nav-height) + var(--space-6)) var(--space-6) var(--space-6);
    flex-direction: column;
    gap: var(--space-1);
    overflow-y: auto;
}
.mobile-nav.active { display: flex; }
.mobile-nav a {
    display: block;
    padding: 14px 16px;
    font: 500 16px var(--font-sans);
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
}
.mobile-nav .cta-btn {
    margin-top: var(--space-3);
    text-align: center;
    background: var(--primary);
    color: var(--white) !important;
    border-radius: var(--radius-sm);
}

@media (max-width: 767px) {
    .main-nav { display: none; }
    .header-actions .btn { display: none; }
    .menu-toggle { display: flex; }
}

/* ============================================
 * HERO SECTION
 * ============================================ */
.hero-section {
    position: relative;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    min-height: 600px;
    margin-top: var(--nav-height);
    overflow: hidden;
}

.hero-slides { position: relative; width: 100%; height: 100%; }

.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    background-size: cover;
    background-position: center;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.hero-text { max-width: 640px; }

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius-full);
    font: 600 13px var(--font-sans);
    letter-spacing: 0.5px;
    margin-bottom: var(--space-6);
}

.hero-title {
    font: 700 52px/1.2 var(--font-serif);
    color: var(--white);
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
    margin-bottom: var(--space-5);
}

.hero-subtitle {
    font: 400 20px/1.6 var(--font-sans);
    color: rgba(255,255,255,0.85);
    max-width: 560px;
    margin-bottom: var(--space-8);
}

.hero-btns { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* Hero Slider Controls */
.hero-arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    transform: translateY(-50%);
    transition: var(--transition);
}
.hero-arrow:hover { background: rgba(255,255,255,0.25); }
.hero-arrow.prev { left: var(--space-6); }
.hero-arrow.next { right: var(--space-6); }

.hero-dots {
    position: absolute;
    bottom: 60px;
    left: 50%;
    z-index: 3;
    display: flex;
    gap: 8px;
    transform: translateX(-50%);
}
.hero-dot {
    width: 10px; height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.hero-dot.active {
    width: 28px;
    background: var(--accent);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    z-index: 3;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font: 400 13px var(--font-sans);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

@media (max-width: 767px) {
    .hero-section { height: 80vh; min-height: 500px; }
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-btns { flex-direction: column; }
    .hero-btns .btn { width: 100%; }
    .hero-arrow { width: 36px; height: 36px; font-size: 16px; }
}

/* ============================================
 * SECTION HEADER
 * ============================================ */
.section-header {
    margin-bottom: var(--space-12);
}
.section-header.center {
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.section-header.flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: var(--radius-full);
    font: 600 13px var(--font-sans);
    letter-spacing: 0.5px;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
}

.section-title {
    font: 700 36px/1.3 var(--font-serif);
    color: var(--black);
    margin-bottom: var(--space-3);
}
.section-title em {
    font-style: normal;
    color: var(--primary);
}

.section-subtitle {
    font: 400 17px/1.6 var(--font-sans);
    color: var(--gray-500);
    max-width: 560px;
}
.section-header.center .section-subtitle {
    margin: 0 auto;
}

@media (max-width: 767px) {
    .section-header { margin-bottom: var(--space-8); }
    .section-title { font-size: 26px; }
    .section-header.flex { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
}

/* ============================================
 * PRODUCT CARD
 * ============================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-6);
}

.product-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.product-card-img {
    position: relative;
    background: var(--gray-100);
    padding: var(--space-6);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-slow);
}
.product-card:hover .product-card-img img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font: 600 12px var(--font-sans);
    z-index: 2;
}
.product-badge.hot {
    background: var(--danger);
    color: var(--white);
}
.product-badge.new {
    background: var(--success);
    color: var(--white);
}

.product-card-body {
    padding: var(--space-5);
}

.product-brand {
    font: 600 12px var(--font-sans);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-1);
}

.product-name {
    font: 600 17px/1.4 var(--font-sans);
    color: var(--black);
    margin-bottom: var(--space-1);
}
.product-card:hover .product-name { color: var(--primary); }

.product-desc {
    font: 400 13px/1.5 var(--font-sans);
    color: var(--gray-500);
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font: 700 18px var(--font-serif);
    color: var(--accent);
}

/* ============================================
 * SERVICE CARD
 * ============================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.service-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: var(--btn-gradient);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    font-size: 32px;
    transition: var(--transition);
}
.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-name {
    font: 600 18px var(--font-sans);
    color: var(--black);
    margin-bottom: var(--space-2);
}

.service-desc {
    font: 400 14px/1.6 var(--font-sans);
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

.service-link {
    font: 500 14px var(--font-sans);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}
.service-card:hover .service-link { gap: 8px; }

@media (max-width: 1023px) {
    .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .service-grid { grid-template-columns: 1fr; }
}

/* ============================================
 * CASE CARD
 * ============================================ */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.case-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}
.case-card:hover {
    box-shadow: var(--shadow);
    border-color: transparent;
    transform: translateY(-2px);
}

.case-tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.case-type {
    background: var(--primary);
    color: var(--white);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font: 600 12px var(--font-sans);
}
.case-age {
    background: var(--gray-200);
    color: var(--gray-600);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font: 600 12px var(--font-sans);
}

.case-title {
    font: 600 18px/1.4 var(--font-sans);
    color: var(--black);
    margin-bottom: var(--space-4);
}

.case-detail {
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.case-problem {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.case-problem .label {
    color: var(--danger);
    font-size: 16px;
    flex-shrink: 0;
}
.case-problem p {
    font: 400 14px/1.6 var(--font-sans);
    color: var(--gray-600);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-solution {
    display: flex;
    gap: var(--space-2);
}
.case-solution .label {
    color: var(--success);
    font-size: 16px;
    flex-shrink: 0;
}
.case-solution p {
    font: 400 14px/1.6 var(--font-sans);
    color: var(--gray-600);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-more {
    font: 500 14px var(--font-sans);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}
.case-card:hover .case-more { gap: 8px; }

@media (max-width: 767px) {
    .case-grid { grid-template-columns: 1fr; }
}

/* ============================================
 * BRAND CARD (for grid)
 * ============================================ */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-5);
}

.brand-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px 16px;
    text-align: center;
    transition: var(--transition);
}
.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.brand-card-img {
    height: 40px;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
}
.brand-card-img img {
    height: 40px;
    width: auto;
    object-fit: contain;
}
.brand-card-img .placeholder {
    font: 700 20px var(--font-serif);
    color: var(--primary);
}

.brand-card-name {
    font: 500 14px var(--font-sans);
    color: var(--black);
    margin-bottom: 2px;
}
.brand-card-origin {
    font: 400 12px var(--font-sans);
    color: var(--gray-400);
}

@media (max-width: 1023px) {
    .brand-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 767px) {
    .brand-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
 * ARTICLE CARD
 * ============================================ */
.article-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.article-list-item {
    display: flex;
    gap: var(--space-5);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.article-list-item:hover {
    box-shadow: var(--shadow);
    border-color: transparent;
}

.article-list-thumb {
    width: 180px;
    min-height: 130px;
    flex-shrink: 0;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.article-list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}
.article-list-item:hover .article-list-thumb img {
    transform: scale(1.05);
}
.article-list-thumb .thumb-placeholder {
    font-size: 36px;
    color: var(--gray-300);
}

.article-list-body {
    padding: var(--space-4) var(--space-5) var(--space-4) 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.article-list-category {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: var(--radius-full);
    font: 600 12px var(--font-sans);
    margin-bottom: var(--space-2);
    width: fit-content;
}

.article-list-title {
    font: 600 18px/1.4 var(--font-sans);
    color: var(--black);
    margin-bottom: var(--space-1);
}
.article-list-title a { color: inherit; }
.article-list-item:hover .article-list-title a { color: var(--primary); }

.article-list-summary {
    font: 400 14px/1.6 var(--font-sans);
    color: var(--gray-500);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.article-list-meta {
    font: 400 13px var(--font-sans);
    color: var(--gray-400);
    display: flex;
    gap: var(--space-4);
}

/* Vertical Article Card */
.article-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}
.article-card-vertical {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.article-card-vertical:hover {
    box-shadow: var(--shadow);
    border-color: transparent;
    transform: translateY(-2px);
}
.article-card-img {
    width: 100%;
    height: 220px;
    background: var(--gray-100);
    overflow: hidden;
}
.article-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}
.article-card-vertical:hover .article-card-img img { transform: scale(1.05); }
.article-card-body {
    padding: var(--space-5);
}

@media (max-width: 767px) {
    .article-list-item { flex-direction: column; }
    .article-list-thumb { width: 100%; height: 180px; min-height: auto; }
    .article-list-body { padding: var(--space-4); }
    .article-grid { grid-template-columns: 1fr; }
}

/* ============================================
 * ABOUT SECTION
 * ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content .section-tag { margin-bottom: var(--space-4); }
.about-content .section-title { margin-bottom: var(--space-5); }
.about-text {
    font: 400 16px/1.8 var(--font-sans);
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}
.about-feature {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}
.about-feature-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius);
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    color: var(--primary);
}
.about-feature h4 {
    font: 600 16px var(--font-sans);
    color: var(--black);
    margin-bottom: 4px;
}
.about-feature p {
    font: 400 13px var(--font-sans);
    color: var(--gray-500);
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}
.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.exp-badge {
    position: absolute;
    bottom: -15px;
    left: -15px;
    background: var(--primary);
    color: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius);
}
.exp-badge .number {
    font: 700 32px/1 var(--font-sans);
    opacity: 0.9;
}
.exp-badge .label {
    font: 400 13px var(--font-sans);
    opacity: 0.85;
}

@media (max-width: 1023px) {
    .about-grid { grid-template-columns: 1fr; gap: var(--space-10); }
    .about-image { order: -1; }
    .exp-badge { bottom: -10px; left: 10px; padding: 16px 20px; }
    .exp-badge .number { font-size: 24px; }
}
@media (max-width: 767px) {
    .about-features { grid-template-columns: 1fr; }
}

/* ============================================
 * REVIEWS MARQUEE
 * ============================================ */
.reviews-section {
    overflow: hidden;
}

.reviews-track-wrapper {
    overflow: hidden;
    padding: var(--space-4) 0;
}

.reviews-track {
    display: flex;
    gap: var(--space-6);
    animation: marquee 30s linear infinite;
    width: max-content;
}
.reviews-track:hover {
    animation-play-state: paused;
}

.review-card {
    width: 360px;
    flex-shrink: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: var(--space-6);
    transition: var(--transition);
}
.review-card:hover {
    box-shadow: var(--shadow);
}

.review-platform {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.review-platform .platform-icon {
    font-size: 20px;
}
.review-platform .platform-name {
    font: 600 14px var(--font-sans);
}
.review-platform.dianping .platform-name { color: #FF6600; }
.review-platform.douyin .platform-name { color: #000; }
.review-platform.meituan .platform-name { color: #FFC300; }

.review-stars {
    color: var(--star);
    letter-spacing: 2px;
    margin-bottom: var(--space-3);
}

.review-text {
    font: 400 15px/1.7 var(--font-sans);
    color: var(--gray-700);
    margin-bottom: var(--space-3);
}

.review-author {
    font: 400 13px var(--font-sans);
    color: var(--gray-500);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@media (max-width: 767px) {
    .review-card { width: 300px; }
}

/* ============================================
 * KNOWLEDGE ENTRY SECTION
 * ============================================ */
.knowledge-entry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: 60px;
}

.knowledge-entry-card {
    display: block;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.knowledge-entry-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--btn-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.knowledge-entry-card:hover::before {
    transform: scaleX(1);
}
.knowledge-entry-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.knowledge-entry-icon {
    width: 64px; height: 64px;
    border-radius: var(--radius);
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto var(--space-5);
}

.knowledge-entry-title {
    font: 600 16px var(--font-sans);
    color: var(--black);
    margin-bottom: var(--space-2);
}

.knowledge-entry-desc {
    font: 400 13px/1.6 var(--font-sans);
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

.knowledge-entry-link {
    font: 500 14px var(--font-sans);
    color: var(--primary);
}

@media (max-width: 767px) {
    .knowledge-entry-grid { grid-template-columns: 1fr; }
}

/* ============================================
 * CTA SECTION
 * ============================================ */
.cta-section {
    background: var(--cta-bg);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.cta-title {
    font: 700 28px/1.3 var(--font-serif);
    color: var(--black);
    margin-bottom: var(--space-4);
}

.cta-subtitle {
    font: 400 16px var(--font-sans);
    color: var(--gray-500);
    margin-bottom: var(--space-6);
}

/* Sidebar CTA Widget */
.cta-widget {
    background: var(--sidebar-cta);
    border-radius: var(--radius);
    padding: var(--space-6);
    color: var(--white);
    text-align: center;
}
.cta-widget h4 {
    font: 600 18px var(--font-sans);
    color: var(--white);
    margin-bottom: var(--space-2);
}
.cta-widget p {
    font: 400 14px/1.6 var(--font-sans);
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-5);
}
.cta-widget .btn-light { width: 100%; }

/* ============================================
 * FOOTER
 * ============================================ */
.site-footer {
    background: var(--black);
    color: var(--gray-400);
    padding: var(--space-20) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
}

.footer-col h6 {
    font: 600 16px var(--font-sans);
    color: var(--white);
    margin-bottom: var(--space-5);
}

.footer-brand-desc {
    font: 400 14px/1.7 var(--font-sans);
    color: var(--gray-400);
    margin: var(--space-4) 0;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-5);
}
.footer-social a {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.footer-links a {
    font: 400 14px var(--font-sans);
    color: var(--gray-500);
    padding: 6px 0;
    transition: var(--transition-fast);
}
.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.footer-contact-item {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    font: 400 14px var(--font-sans);
    color: var(--gray-400);
}
.footer-contact-item .icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-6) 0;
    text-align: center;
    font: 400 13px var(--font-sans);
    color: var(--gray-500);
}

@media (max-width: 1023px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

/* ============================================
 * BREADCRUMB
 * ============================================ */
.breadcrumb {
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-4) 0;
}
.breadcrumb ol {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    font: 400 14px var(--font-sans);
    color: var(--gray-500);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-2);
    color: var(--gray-400);
}
.breadcrumb [aria-current="page"] {
    color: var(--gray-700);
    font-weight: 500;
}

/* ============================================
 * PAGE HEADER
 * ============================================ */
.page-header {
    background: var(--gray-100);
    padding: var(--space-10) 0;
    margin-top: var(--nav-height);
}
.page-header .section-tag { margin-bottom: var(--space-3); }
.page-header .section-title { margin-bottom: var(--space-2); }

/* ============================================
 * SEARCH BOX
 * ============================================ */
.search-box {
    display: flex;
    max-width: 640px;
    margin: var(--space-5) auto 0;
}
.search-box input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--gray-300);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font: 400 15px var(--font-sans);
    color: var(--gray-700);
    outline: none;
    transition: var(--transition-fast);
}
.search-box input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-color: var(--primary);
}
.search-box input:focus:not(:focus-visible) {
    outline: none;
}
.search-box button {
    padding: 14px 28px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm);
    font: 500 15px var(--font-sans);
    cursor: pointer;
    transition: var(--transition-fast);
}
.search-box button:hover {
    background: var(--primary-dark);
}

.tags-cloud {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--space-4);
}
.tag-item {
    padding: 4px 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font: 400 13px var(--font-sans);
    color: var(--gray-600);
    transition: var(--transition-fast);
    text-decoration: none;
}
.tag-item:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ============================================
 * ARTICLE DETAIL PAGE
 * ============================================ */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-10);
    padding: var(--space-10) 0;
    margin-top: var(--nav-height);
}

.article-main {
    max-width: 800px;
}

.article-header {
    margin-bottom: var(--space-8);
}

.article-meta-top {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}
.article-category-tag {
    padding: 3px 10px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: var(--radius-full);
    font: 600 12px var(--font-sans);
}
.article-brand-tag {
    padding: 3px 10px;
    background: var(--accent-bg);
    color: var(--accent);
    border-radius: var(--radius-full);
    font: 600 12px var(--font-sans);
}
.article-date {
    font: 400 13px var(--font-sans);
    color: var(--gray-400);
}
.article-views {
    font: 400 13px var(--font-sans);
    color: var(--gray-400);
}

.article-title-detail {
    font: 700 32px/1.3 var(--font-serif);
    color: var(--black);
    margin-bottom: var(--space-4);
}

.article-summary-box {
    background: var(--gray-100);
    border-left: 3px solid var(--primary);
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-6);
    font: 400 15px/1.7 var(--font-sans);
    color: var(--gray-600);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-cover {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: var(--space-8);
    max-height: 400px;
}
.article-cover img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
}

/* Article Content (UEditor output) */
.article-content {
    font: 400 16px/1.8 var(--font-sans);
    color: var(--gray-700);
}
.article-content h2 {
    font: 700 24px/1.3 var(--font-serif);
    color: var(--black);
    margin: var(--space-10) 0 var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--gray-200);
    scroll-margin-top: calc(var(--nav-height) + var(--space-4));
}
.article-content h3 {
    font: 600 20px/1.4 var(--font-sans);
    color: var(--black);
    margin: var(--space-8) 0 var(--space-3);
    scroll-margin-top: calc(var(--nav-height) + var(--space-4));
}
.article-content h4 {
    font: 600 18px/1.4 var(--font-sans);
    color: var(--gray-800);
    margin: var(--space-6) 0 var(--space-2);
}
.article-content p {
    margin-bottom: var(--space-4);
}
.article-content img {
    border-radius: var(--radius-sm);
    margin: var(--space-4) 0;
    max-width: 100%;
}
.article-content blockquote {
    background: var(--gray-100);
    border-left: 3px solid var(--accent);
    padding: var(--space-4) var(--space-6);
    margin: var(--space-6) 0;
    font-style: italic;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-6) 0;
    font-size: 14px;
}
.article-content th,
.article-content td {
    border: 1px solid var(--gray-200);
    padding: 12px 16px;
    text-align: left;
}
.article-content th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-800);
}
.article-content ul, .article-content ol {
    padding-left: 24px;
    margin-bottom: var(--space-4);
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: var(--space-2); }
.article-content strong { color: var(--gray-800); }
.article-content a { text-decoration: underline; }

/* Article Footer */
.article-footer {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-200);
}

.article-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}
.article-tags a {
    padding: 6px 14px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font: 400 13px var(--font-sans);
    color: var(--gray-600);
    transition: var(--transition-fast);
}
.article-tags a:hover {
    background: var(--primary);
    color: var(--white);
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}
.article-nav a {
    display: block;
    background: var(--gray-100);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-sm);
    font: 400 14px var(--font-sans);
    color: var(--gray-600);
    transition: var(--transition-fast);
}
.article-nav a:hover {
    background: var(--primary-bg);
    color: var(--primary);
}
.article-nav .nav-label {
    font: 600 12px var(--font-sans);
    color: var(--gray-400);
    display: block;
    margin-bottom: 4px;
}
.article-nav a.next { text-align: right; }

/* Sidebar */
.article-sidebar {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-6));
    align-self: start;
}

.sidebar-section {
    margin-bottom: var(--space-8);
}
.sidebar-title {
    font: 600 18px var(--font-sans);
    color: var(--black);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--gray-200);
}

.popular-list { display: flex; flex-direction: column; gap: var(--space-3); }
.popular-item {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.popular-item:hover { background: var(--gray-100); }
.popular-rank {
    width: 28px; height: 28px;
    border-radius: var(--radius-sm);
    background: var(--gray-200);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font: 600 14px var(--font-sans);
    flex-shrink: 0;
}
.popular-item:nth-child(1) .popular-rank,
.popular-item:nth-child(2) .popular-rank,
.popular-item:nth-child(3) .popular-rank {
    background: var(--primary);
    color: var(--white);
}
.popular-title {
    font: 400 14px/1.4 var(--font-sans);
    color: var(--gray-700);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-item {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.related-item:hover { background: var(--gray-100); }
.related-thumb {
    width: 80px; height: 60px;
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    overflow: hidden;
    flex-shrink: 0;
}
.related-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.related-title {
    font: 400 13px/1.5 var(--font-sans);
    color: var(--gray-700);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 1023px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
    .article-title-detail { font-size: 26px; }
}
@media (max-width: 767px) {
    .article-title-detail { font-size: 22px; }
    .article-content { font-size: 15px; }
    .article-nav { grid-template-columns: 1fr; }
}

/* ============================================
 * KNOWLEDGE PAGE
 * ============================================ */
.knowledge-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-10);
    padding: var(--space-10) 0;
    margin-top: var(--nav-height);
}

.knowledge-section {
    margin-bottom: var(--space-12);
}
.knowledge-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--gray-200);
}
.knowledge-section-title {
    font: 600 20px var(--font-sans);
    color: var(--black);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.knowledge-section-title .icon { font-size: 22px; }

@media (max-width: 1023px) {
    .knowledge-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
}

/* ============================================
 * BRAND PAGE
 * ============================================ */
.brand-hero {
    background: var(--brand-hero);
    padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-12);
    color: var(--white);
    text-align: center;
}
.brand-hero-logo {
    height: 60px;
    margin-bottom: var(--space-5);
}
.brand-hero h1 {
    font: 700 36px var(--font-serif);
    color: var(--white);
    margin-bottom: var(--space-2);
}
.brand-hero .origin {
    font: 500 14px var(--font-sans);
    color: var(--accent);
}

/* Brand list page */
.brand-list-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-8);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: var(--space-6);
    transition: var(--transition);
}
.brand-list-item:hover {
    box-shadow: var(--shadow);
}
.brand-list-logo {
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    min-height: 160px;
}
.brand-list-logo img { max-height: 80px; }
.brand-list-body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.brand-list-body h3 { font-size: 22px; margin-bottom: var(--space-2); }
.brand-list-body .origin {
    color: var(--accent);
    font: 500 13px var(--font-sans);
    margin-bottom: var(--space-3);
}
.brand-list-body .desc {
    font: 400 14px/1.7 var(--font-sans);
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

@media (max-width: 767px) {
    .brand-list-item { grid-template-columns: 1fr; }
    .brand-list-logo { min-height: 120px; }
}

/* ============================================
 * FILTER BAR
 * ============================================ */
.filter-bar {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}
.filter-btn {
    padding: 6px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: var(--white);
    font: 400 14px var(--font-sans);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-fast);
}
.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ============================================
 * PAGINATION
 * ============================================ */
.pagination { margin-top: var(--space-10); }
.pagination-list {
    display: flex;
    gap: 8px;
    justify-content: center;
}
.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font: 400 14px var(--font-sans);
    color: var(--gray-500);
    transition: var(--transition);
}
.page-link:hover,
.page-link.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    color: var(--gray-400);
}

/* ============================================
 * APPOINTMENT PAGE
 * ============================================ */
.appointment-layout {
    max-width: 600px;
    margin: calc(var(--nav-height) + var(--space-10)) auto var(--space-16);
    padding: 0 var(--space-6);
}

.appointment-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: var(--space-10);
}

.form-group { margin-bottom: var(--space-5); }
.form-group label {
    display: block;
    font: 500 14px var(--font-sans);
    color: var(--gray-700);
    margin-bottom: var(--space-1);
}
.form-group .required { color: var(--danger); }
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font: 400 14px var(--font-sans);
    color: var(--gray-700);
    outline: none;
    transition: var(--transition-fast);
    background: var(--white);
}
.form-control:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,58,140,0.08);
}
.form-control:focus:not(:focus-visible) {
    outline: none;
}
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; }

/* ============================================
 * ANIMATIONS
 * ============================================ */
.animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate.visible {
    opacity: 1;
    transform: translateY(0);
}
.animate-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-left.visible {
    opacity: 1;
    transform: translateX(0);
}
.animate-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-right.visible {
    opacity: 1;
    transform: translateX(0);
}
.animate-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.animate-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays for grid children */
.stagger-1 { transition-delay: 0s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.2s; }
.stagger-4 { transition-delay: 0.3s; }
.stagger-5 { transition-delay: 0.4s; }
.stagger-6 { transition-delay: 0.5s; }

/* ============================================
 * NOT FOUND / EMPTY STATE
 * ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
    color: var(--gray-500);
}
.empty-state .icon { font-size: 48px; margin-bottom: var(--space-4); }
.empty-state h3 { margin-bottom: var(--space-2); }

/* ============================================
 * SCROLL TO TOP
 * ============================================ */
.scroll-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: var(--transition);
    z-index: 100;
    box-shadow: var(--shadow-lg);
}
.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ============================================
 * MAIN CONTENT OFFSET
 * ============================================ */
.site-main {
    min-height: 60vh;
}
.page-content {
    margin-top: var(--nav-height);
}