/* ============================================================
   南宫体育 · 动感新势力 | 独特视觉设计系统
   风格：动态斜切 + 霓虹渐变 + 运动杂志式排版
   配色：活力橙红 → 品红渐变 + 电光蓝点缀
   背景：白 / 暖白 / 浅灰 — 禁止黑色深色
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* 基础重置 ——————————————————————————————— */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #FFFAF6;
    color: #1a1a2e;
    line-height: 1.6;
}

/* 选中高亮 */
::selection {
    background: #FF4D2D;
    color: #fff;
}

/* 滚动条 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FFF5F0; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #FF6B35, #FF2D55); border-radius: 4px; }

/* 核心布局 ——————————————————————————————— */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #FFF8F3 0%, #FFF0E8 100%);
}

/* 斜切装饰 — 所有section可选添加 */
.section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #FF6B35, #FF2D55, #00E5FF, transparent);
    opacity: 0.3;
}

/* 导航 ——————————————————————————————— */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 250, 246, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: none;
    box-shadow: 0 1px 0 rgba(255, 75, 45, 0.08), 0 4px 24px rgba(255, 75, 45, 0.04);
}

.site-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #FF6B35, #FF2D55, #00E5FF, #FF2D55, #FF6B35);
    background-size: 200% 100%;
    animation: headerGlow 4s ease-in-out infinite;
}

@keyframes headerGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    font-size: 1.35rem;
    text-decoration: none;
    color: #1a1a2e;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #FF6B35, #FF2D55);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 75, 45, 0.3);
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(5deg) scale(1.05);
}

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

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #2d2d44;
    transition: 0.3s ease;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FF6B35, #FF2D55);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.main-nav a:hover {
    color: #FF4D2D;
}

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

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, #FF6B35, #FF2D55);
    box-shadow: 0 4px 16px rgba(255, 75, 45, 0.3);
    transition: 0.3s ease !important;
    letter-spacing: 0.3px;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 28px rgba(255, 75, 45, 0.4);
    color: #fff !important;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #FF4D2D;
    padding: 4px 8px;
    border-radius: 6px;
    transition: 0.2s;
}

.menu-toggle:hover {
    background: rgba(255, 75, 45, 0.1);
}

/* 首页Hero ——————————————————————————————— */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #FFFAF6 0%, #FFF0E8 40%, #FFE8DC 100%);
    padding-top: 72px;
}

/* 动态背景装饰 */
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,107,53,0.12) 0%, rgba(255,45,85,0.06) 50%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroPulse 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroPulse 8s ease-in-out infinite reverse;
}

@keyframes heroPulse {
    0%, 100% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.1) translate(20px, -20px); }
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(255,107,53,0.12), rgba(255,45,85,0.12));
    color: #FF4D2D;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid rgba(255,75,45,0.15);
}

.hero h1 {
    font-size: 3.6rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 900;
    color: #1a1a2e;
    letter-spacing: -1.5px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #FF6B35, #FF2D55);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.65;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.7;
    color: #3d3d5c;
}

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

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    z-index: 2;
    box-shadow: 0 24px 64px rgba(255,75,45,0.15);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 按钮 ——————————————————————————————— */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 0.92rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #FF6B35, #FF2D55);
    box-shadow: 0 4px 20px rgba(255,75,45,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 36px rgba(255,75,45,0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid;
    border-image: linear-gradient(135deg, #FF6B35, #FF2D55) 1;
    color: #FF4D2D;
    -webkit-background-clip: text;
    background-clip: text;
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,107,53,0.06), rgba(255,45,85,0.06));
    border-radius: 50px;
    opacity: 0;
    transition: 0.3s;
}

.btn-outline:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(255,75,45,0.15);
}

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

/* 标签/标题 ——————————————————————————————— */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
    text-transform: uppercase;
    color: #FF6B35;
    position: relative;
    padding-left: 32px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #FF6B35, #FF2D55);
    transform: translateY(-50%);
    border-radius: 2px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: #1a1a2e;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    opacity: 0.6;
    margin-bottom: 48px;
    font-size: 1.05rem;
    color: #3d3d5c;
    line-height: 1.7;
}

/* 卡片网格 ——————————————————————————————— */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 16px;
    padding: 32px 28px;
    background: #fff;
    border: 1px solid rgba(255, 200, 180, 0.2);
    transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(255, 75, 45, 0.04);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #FF6B35, #FF2D55, #00E5FF);
    opacity: 0;
    transition: 0.4s ease;
}

.category-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 16px 48px rgba(255, 75, 45, 0.12);
    border-color: rgba(255, 107, 53, 0.15);
}

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

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(255,45,85,0.1));
    color: #FF4D2D;
    transition: 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, rgba(255,107,53,0.2), rgba(255,45,85,0.2));
    transform: scale(1.05);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a2e;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-bottom: 16px;
    line-height: 1.6;
}

.card-link {
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    color: #FF4D2D;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: 0.3s;
}

.card-link::after {
    content: '→';
    transition: 0.3s;
}

.card-link:hover {
    gap: 10px;
}

.card-link:hover::after {
    transform: translateX(4px);
}

/* 特性块 ——————————————————————————————— */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(255, 75, 45, 0.1);
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    pointer-events: none;
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: 0.6s ease;
}

.feature-block:hover .feature-image img {
    transform: scale(1.03);
}

.feature-text {
    position: relative;
}

.feature-text .section-label {
    margin-bottom: 12px;
}

.feature-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 14px;
    color: #1a1a2e;
    line-height: 1.3;
}

.feature-text > p {
    opacity: 0.6;
    margin-bottom: 24px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: #2d2d44;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #FF6B35;
    font-size: 0.9rem;
}

/* 数据条 ——————————————————————————————— */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item {
    padding: 32px 20px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid rgba(255, 200, 180, 0.15);
    transition: 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, #FF6B35, #FF2D55);
    border-radius: 3px 3px 0 0;
    opacity: 0;
    transition: 0.4s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(255, 75, 45, 0.08);
    border-color: rgba(255, 107, 53, 0.15);
}

.stat-item:hover::before {
    opacity: 1;
    width: 80%;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, #FF6B35, #FF2D55);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.55;
    margin-top: 8px;
    font-weight: 500;
    color: #3d3d5c;
}

/* 内容墙 ——————————————————————————————— */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(255, 200, 180, 0.15);
    transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 2px 12px rgba(255, 75, 45, 0.04);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(255, 75, 45, 0.1);
    border-color: rgba(255, 107, 53, 0.12);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: 0.6s ease;
}

.content-wall-item:hover img {
    transform: scale(1.04);
}

.content-wall-body {
    padding: 24px;
}

.content-wall-body .tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 50px;
    background: rgba(255, 107, 53, 0.1);
    color: #FF6B35;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.content-wall-body h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a2e;
    line-height: 1.4;
}

.content-wall-body p {
    font-size: 0.85rem;
    opacity: 0.55;
    line-height: 1.6;
}

/* FAQ ——————————————————————————————— */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(255, 200, 180, 0.2);
    border-radius: 12px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
    transition: 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 107, 53, 0.2);
    box-shadow: 0 4px 16px rgba(255, 75, 45, 0.04);
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #1a1a2e;
    font-size: 1rem;
    transition: 0.3s;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #FF6B35;
    transition: 0.4s ease;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
    color: #FF2D55;
}

.faq-item .faq-answer {
    padding: 0 24px 18px;
    display: none;
    opacity: 0.65;
    line-height: 1.7;
    font-size: 0.92rem;
    color: #3d3d5c;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 0.65; transform: translateY(0); }
}

/* CTA横幅 ——————————————————————————————— */
.cta-banner {
    padding: 64px 32px;
    text-align: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #FF6B35, #FF2D55, #FF0080);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(255, 75, 45, 0.3);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
    pointer-events: none;
    animation: ctaShimmer 8s ease-in-out infinite;
}

@keyframes ctaShimmer {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10%, 10%); }
}

.cta-banner h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
    letter-spacing: -0.5px;
}

.cta-banner p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 28px;
    font-size: 1.05rem;
    position: relative;
    z-index: 2;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF2D55;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: relative;
    z-index: 2;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

/* 页脚 ——————————————————————————————— */
.site-footer {
    padding: 64px 0 32px;
    background: #1a1a2e;
    color: rgba(255,255,255,0.85);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #FF6B35, #FF2D55, #00E5FF, #FF2D55, #FF6B35);
    background-size: 200% 100%;
    animation: headerGlow 4s ease-in-out infinite;
}

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

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 16px;
}

.footer-brand p {
    opacity: 0.5;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h5 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: #fff;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.88rem;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    color: #FF6B35;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    opacity: 0.4;
    color: rgba(255,255,255,0.6);
}

/* 工具类 ——————————————————————————————— */
.text-accent {
    color: #FF4D2D;
    font-weight: 700;
}

.text-center {
    text-align: center;
}

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.6;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #3d3d5c;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* 额外装饰类 — 动感新势力专属 */
.hero-decoration {
    position: absolute;
    right: -5%;
    top: 20%;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(255, 107, 53, 0.08);
    border-radius: 50%;
    pointer-events: none;
}

.hero-decoration::before {
    content: '';
    position: absolute;
    inset: 30px;
    border: 2px solid rgba(255, 45, 85, 0.06);
    border-radius: 50%;
}

/* 运动斜线装饰 */
.diagonal-stripes {
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 8px,
        rgba(255, 107, 53, 0.02) 8px,
        rgba(255, 107, 53, 0.02) 16px
    );
}

/* 渐变分隔线 */
.gradient-divider {
    height: 3px;
    background: linear-gradient(90deg, transparent, #FF6B35, #FF2D55, #00E5FF, transparent);
    width: 80%;
    margin: 0 auto;
    border-radius: 3px;
    opacity: 0.3;
}

/* 响应式 ——————————————————————————————— */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3rem; }
    .section-title { font-size: 2rem; }
    .feature-block { gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .hero { min-height: 70vh; padding-top: 72px; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .section-title { font-size: 1.7rem; }
    .feature-block { grid-template-columns: 1fr; gap: 32px; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .main-nav { display: none; }
    .menu-toggle { display: flex; align-items: center; justify-content: center; }
    .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; width: 100%; background: rgba(255,250,246,0.98); backdrop-filter: blur(20px); padding: 24px 20px; gap: 16px; border-bottom: 2px solid rgba(255,75,45,0.1); }
    .main-nav.open a { padding: 8px 0; }
    .cta-banner { padding: 40px 24px; }
    .cta-banner h2 { font-size: 1.6rem; }
    .stat-number { font-size: 2rem; }
}

@media (max-width: 480px) {
    .cards-grid, .content-wall, .stats-bar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-buttons { flex-direction: column; }
    .hero h1 { font-size: 1.8rem; }
    .section { padding: 60px 0; }
    .hero { min-height: 60vh; }
    .btn { padding: 12px 24px; font-size: 0.85rem; width: 100%; justify-content: center; }
    .stat-item { padding: 24px 16px; }
    .category-card { padding: 24px 20px; }
    .footer-brand { max-width: 100%; }
}