/* ============================================
   🍑 蜜桃未来 · 糖果孟菲斯设计系统
   为 kanpian.sn.cn 定制 — 温暖 · 跳跃 · 独特
   ============================================ */

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

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #FFF9F0;
    color: #4A2C2A;
    position: relative;
    line-height: 1.7;
}

/* 全局背景装饰 — 柔和波点 */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: radial-gradient(#FFB8B0 1.5px, transparent 1.5px);
    background-size: 32px 32px;
    opacity: 0.35;
    pointer-events: none;
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    bottom: -10%; right: -10%;
    width: 560px; height: 560px;
    background: radial-gradient(circle, rgba(0, 194, 168, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

/* 核心布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.section {
    padding: 90px 0;
    position: relative;
}

.section:nth-child(even) {
    background: #FFFAF5;
    border-top: 2px solid #FFE8DC;
    border-bottom: 2px solid #FFE8DC;
}

/* ============================================
   导航 — 糖果色下划线 + 牛奶玻璃
   ============================================ */
.site-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 249, 240, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid #FFE8DC;
    box-shadow: 0 4px 20px rgba(255, 179, 150, 0.12);
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #FF5D5D, #FFB800, #00C2A8, #FF5D5D);
    background-size: 300% 100%;
    animation: magicLine 8s ease infinite;
}

@keyframes magicLine {
    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: 800;
    font-size: 1.25rem;
    text-decoration: none;
    color: #4A2C2A;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 38px; height: 38px;
    border-radius: 12px 4px 12px 4px;
    background: linear-gradient(135deg, #FF5D5D, #FFB800);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 93, 93, 0.3);
    transform: rotate(-6deg);
    transition: transform 0.3s;
    position: relative;
    overflow: hidden;
}

.logo:hover .logo-icon {
    transform: rotate(6deg) scale(1.05);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    color: #6B4A48;
    transition: all 0.25s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    border-radius: 3px;
    background: #FF5D5D;
    transition: width 0.25s ease;
}

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

.main-nav a:hover {
    color: #FF4A4A;
}

.nav-cta {
    padding: 9px 22px;
    border-radius: 50px;
    color: #fff !important;
    font-weight: 700;
    background: linear-gradient(135deg, #FF5D5D, #FF8E5D);
    box-shadow: 0 4px 14px rgba(255, 93, 93, 0.35);
    transition: all 0.3s;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 93, 93, 0.5);
}

.menu-toggle {
    display: none;
    width: 42px; height: 42px;
    border: 1px solid #FFE0D6;
    border-radius: 10px;
    background: #fff;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    color: #FF5D5D;
}

/* ============================================
   Hero — 圆润拼贴 · 暖阳绽放
   ============================================ */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #FFF9F0 0%, #FFF0E9 100%);
}

.hero::before {
    content: '';
    position: absolute;
    width: 340px; height: 340px;
    background: #FFB8B0;
    border-radius: 42% 58% 55% 45% / 45% 55% 45% 55%;
    top: 20%;
    right: 4%;
    opacity: 0.5;
    animation: morphBlob 12s ease-in-out infinite alternate;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    width: 180px; height: 180px;
    background: #BFE9DE;
    border-radius: 30% 70% 70% 30% / 50% 60% 40% 50%;
    bottom: 15%;
    right: 22%;
    opacity: 0.55;
    animation: morphBlob 9s ease-in-out infinite alternate-reverse;
    z-index: 0;
}

@keyframes morphBlob {
    0% { border-radius: 42% 58% 55% 45% / 45% 55% 45% 55%; }
    50% { border-radius: 55% 45% 40% 60% / 60% 40% 60% 40%; }
    100% { border-radius: 40% 60% 65% 35% / 55% 45% 55% 45%; }
}

.hero-content {
    max-width: 760px;
    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: #FFE8DC;
    color: #FF5D5D;
    letter-spacing: 1px;
    border: 1px solid #FFD5C4;
    box-shadow: 0 2px 8px rgba(255, 120, 90, 0.15);
}

.hero h1 {
    font-size: 3.4rem;
    line-height: 1.15;
    margin-bottom: 22px;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(120deg, #4A2C2A, #FF5D5D, #FFB800, #4A2C2A);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: heroGradShift 6s ease infinite alternate;
}

@keyframes heroGradShift {
    from { background-position: 0% 50%; }
    to { background-position: 100% 50%; }
}

.hero p {
    font-size: 1.12rem;
    opacity: 0.75;
    max-width: 560px;
    margin-bottom: 36px;
    color: #5A3E3C;
    line-height: 1.8;
}

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

/* ============================================
   按钮 — 果冻质感
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    letter-spacing: 0.3px;
}

.btn:active {
    transform: scale(0.94) translateY(2px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #FF5D5D, #FFB800);
    box-shadow: 0 8px 24px rgba(255, 110, 80, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(255, 110, 80, 0.45);
}

.btn-outline {
    background: transparent;
    border: 2px solid #FFB8B0;
    color: #FF5D5D;
}

.btn-outline:hover {
    background: #FFE8DC;
    border-color: #FF5D5D;
    transform: translateY(-3px);
}

/* ============================================
   标签 / 标题 — 康沃特风
   ============================================ */
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
    color: #00A98E;
    background: rgba(0, 194, 168, 0.1);
    padding: 4px 16px;
    border-radius: 30px;
    border: 1px solid rgba(0, 194, 168, 0.25);
}

.section-title {
    font-size: 2.3rem;
    line-height: 1.2;
    margin-bottom: 16px;
    font-weight: 900;
    letter-spacing: -1px;
    color: #4A2C2A;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 42px;
    color: #5A3E3C;
    line-height: 1.8;
}

/* ============================================
   卡片网格 — 曲奇圆角
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 26px;
}

.category-card {
    border-radius: 20px;
    padding: 32px 26px;
    border: 1px solid #FFE8DC;
    background: #FFFFFF;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(255, 170, 130, 0.1);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, #FF5D5D, #FFB800);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.category-card:hover {
    transform: translateY(-6px) rotate(-0.5deg);
    box-shadow: 0 16px 36px rgba(255, 130, 100, 0.18);
    border-color: #FFD5C4;
}

.card-icon {
    width: 52px; height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.4rem;
    background: #FFF0E6;
    border: 1px solid #FFE0D0;
}

.category-card:nth-child(2) .card-icon { background: #E6F7F4; border-color: #BFE9DE; }
.category-card:nth-child(3) .card-icon { background: #FFF6E5; border-color: #FFEAC0; }
.category-card:nth-child(4) .card-icon { background: #FCE6F0; border-color: #F7C8DE; }

.card-link {
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    color: #FF5D5D;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s;
}

.card-link:hover {
    gap: 12px;
}

/* ============================================
   特性块
   ============================================ */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-image {
    border-radius: 24px;
    overflow: hidden;
    border: 4px solid #FFE8DC;
    box-shadow: 0 12px 32px rgba(255, 150, 110, 0.2);
    transform: rotate(-2deg);
    transition: transform 0.4s ease;
}

.feature-block:nth-child(2n) .feature-image {
    transform: rotate(2deg);
}

.feature-image:hover {
    transform: rotate(0deg) scale(1.01);
}

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

.feature-text {
    position: relative;
}

.feature-text h2 {
    font-size: 1.7rem;
    margin-bottom: 16px;
    font-weight: 800;
    color: #4A2C2A;
}

.feature-text .section-desc {
    margin-bottom: 20px;
}

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

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: #5A3E3C;
}

.feature-list li::before {
    content: '✓';
    font-weight: 800;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00C2A8, #7DE2D3);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    box-shadow: 0 2px 8px rgba(0, 194, 168, 0.3);
    flex-shrink: 0;
}

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

.stat-item {
    padding: 32px 16px;
    border-radius: 20px;
    border: 1px solid #FFE8DC;
    background: #fff;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 5px;
    background: linear-gradient(90deg, #FF5D5D, #FFB800, #00C2A8);
    border-radius: 0 0 20px 20px;
    transform: scaleX(0);
    transition: transform 0.4s;
}

.stat-item:hover::after { transform: scaleX(1); }

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 150, 110, 0.15);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    color: #FF5D5D;
    letter-spacing: -1px;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum';
}

.stat-number::before {
    content: attr(data-prefix);
    font-size: 0.8em;
    vertical-align: super;
    margin-right: 2px;
    color: #FFB800;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.65;
    margin-top: 10px;
    color: #5A3E3C;
    font-weight: 500;
    letter-spacing: 1px;
}

/* ============================================
   内容墙 — 电影海报风格
   ============================================ */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 26px;
}

.content-wall-item {
    border-radius: 18px 18px 20px 20px;
    overflow: hidden;
    border: 1px solid #FFE8DC;
    background: #fff;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.content-wall-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(255, 130, 100, 0.2);
    border-color: #FFC8B8;
}

.content-wall-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(255, 93, 93, 0.2), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
}

.content-wall-item:hover::before { opacity: 1; }

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}

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

.content-wall-body {
    padding: 22px 20px;
    position: relative;
    z-index: 2;
    background: #fff;
}

.content-wall-body h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
    font-weight: 700;
    color: #4A2C2A;
}

.content-wall-body p {
    font-size: 0.88rem;
    color: #9A7B78;
    line-height: 1.6;
    opacity: 0.9;
}

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

.faq-item {
    border: 1px solid #FFE8DC;
    background: #fff;
    border-radius: 14px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: #FFC8B8;
    box-shadow: 0 4px 14px rgba(255, 150, 110, 0.15);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #4A2C2A;
    font-size: 1.02rem;
    position: relative;
}

.faq-item .faq-question::after {
    content: '＋';
    font-size: 1.4rem;
    color: #FF5D5D;
    transition: transform 0.35s;
    flex-shrink: 0;
    font-weight: 300;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
    content: '＋';
}

.faq-item .faq-answer {
    padding: 0 24px 22px;
    display: none;
    opacity: 0.75;
    color: #5A3E3C;
    line-height: 1.8;
    font-size: 0.95rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeDown 0.35s ease;
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 0.75; transform: translateY(0); }
}

.faq-item.open {
    border-color: #FFB8A8;
    box-shadow: 0 4px 20px rgba(255, 120, 90, 0.2);
}

/* ============================================
   CTA 横幅 — 暖阳彩带
   ============================================ */
.cta-banner {
    padding: 60px 40px;
    text-align: center;
    border-radius: 28px;
    color: #fff;
    background: linear-gradient(135deg, #FF5D5D, #FF8E5D, #FFB800);
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(255, 93, 93, 0.3);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 40%);
    animation: ctaPulse 4s ease-in-out infinite;
}

@keyframes ctaPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    position: relative;
    z-index: 1;
    margin-bottom: 12px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.cta-banner p {
    position: relative;
    z-index: 1;
    opacity: 0.93;
    margin-bottom: 28px;
    font-size: 1.05rem;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF5D5D;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.cta-banner .btn-primary:hover {
    background: #FFF0E6;
    transform: translateY(-3px) scale(1.02);
}

/* ============================================
   页脚 — 陶土暖调
   ============================================ */
.site-footer {
    padding: 60px 0 28px;
    background: #F5E6DF;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 30% ;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(255, 93, 93, 0.12), transparent 70%);
    border-radius: 50%;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-brand .logo {
    font-size: 1.3rem;
    font-weight: 900;
}

.footer-brand p {
    color: #7A6058;
    font-size: 0.9rem;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 260px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #4A2C2A;
    letter-spacing: 0.5px;
}

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

.footer-col a {
    text-decoration: none;
    color: #8A7068;
    font-size: 0.9rem;
    line-height: 2.2;
    transition: all 0.2s;
    position: relative;
    padding-left: 0;
}

.footer-col a:hover {
    color: #FF5D5D;
    padding-left: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(74, 44, 42, 0.12);
    margin-top: 48px;
    padding-top: 22px;
    text-align: center;
    font-size: 0.85rem;
    color: #9A8078;
    position: relative;
}

.footer-bottom::before {
    content: '❋';
    display: block;
    font-size: 1.2rem;
    margin-bottom: 6px;
    color: #FFB800;
}

/* ============================================
   工具类
   ============================================ */
.text-accent {
    color: #FF5D5D;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.75;
    color: #5A3E3C;
    line-height: 1.8;
    font-size: 1.05rem;
}

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

/* 附加趣味元素 — 章节分隔圆点 */
.section-title::after {
    content: '';
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #00C2A8;
    margin-left: 8px;
    vertical-align: middle;
    box-shadow: 14px 0 0 #FFB800, 28px 0 0 #FF5D5D;
}

/* 卡片中的元素 */
.category-card .category-card-title {
    margin-bottom: 12px;
    margin-top: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    color: #4A2C2A;
}

.category-card .category-card-desc {
    font-size: 0.9rem;
    color: #8A7068;
    margin-bottom: 16px;
    line-height: 1.6;
}

/* 图片渐变遮罩统一 */
.content-wall-item img[alt] {
    background: linear-gradient(120deg, #FFB8B0, #BFE9DE);
}

/* 尺寸覆盖 */
img {
    max-width: 100%;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
    background: #FFF5F0;
}

::-webkit-scrollbar-track {
    background: #FFF5F0;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FFB8B0, #FF8E5D);
    border-radius: 5px;
    border: 2px solid #FFF5F0;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #FF5D5D, #FF8E5D);
}

/* 选中文本 */
::selection {
    background: #FFB8B0;
    color: #4A2C2A;
}

/* focus 状态 */
a:focus-visible, button:focus-visible {
    outline: 2px dashed #00C2A8;
    outline-offset: 2px;
}

/* ============================================
   响应式 — 移动端优化
   ============================================ */
@media (max-width: 900px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero::before {
        width: 220px; height: 220px;
    }
}

@media (max-width: 768px) {
    .feature-block { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFF9F0;
        padding: 20px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        border-bottom: 3px solid #FFE0D6;
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    }
    .menu-toggle {
        display: flex;
    }
    .main-nav.open {
        display: flex;
        animation: navSlideDown 0.3s ease;
    }

    @keyframes navSlideDown {
        from {
            opacity: 0;
            transform: translateY(-12px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .hero {
        min-height: 60vh;
        padding-top: 90px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .cards-grid, .content-wall, .stats-bar {
        gap: 16px;
    }

    .category-card {
        padding: 24px 20px;
    }
}

@media (max-width: 480px) {
    .cards-grid, .content-wall, .stats-bar {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-buttons .btn {
        justify-content: center;
    }
    .hero h1 {
        font-size: 1.9rem;
    }
    .cta-banner {
        padding: 40px 20px;
    }
    .cta-banner h2 {
        font-size: 1.5rem;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-item {
        padding: 20px 12px;
    }
    .stat-number {
        font-size: 2rem;
    }
    .section-title::after {
        width: 8px; height: 8px;
        margin-left: 6px;
        box-shadow: 10px 0 0 #FFB800, 20px 0 0 #FF5D5D;
    }
    .site-footer {
        padding: 40px 0 20px;
    }
}

/* 交互微动效 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}