```css
/* ============================================================
   羊羊影院 - 合家欢动画与喜剧，亲子观影首选
   完整样式表 (style.css)
   风格：暖阳渐变 + 毛玻璃质感 + 圆角卡片
   ============================================================ */

/* ---------- 基础重置与设计令牌 ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 品牌主色 - 暖阳橙 */
    --primary: #f5a623;
    --primary-dark: #d48a0c;
    --primary-light: #fef3e0;
    --primary-glow: rgba(245, 166, 35, 0.35);

    /* 辅助色 - 天空蓝 */
    --secondary: #4a90e2;
    --secondary-dark: #357abd;
    --secondary-light: #e8f0fe;

    /* 点缀色 - 童趣粉 */
    --accent: #ff6b9d;
    --accent-light: #ffe8f0;

    /* 文字 */
    --text: #1f2d3d;
    --text-light: #5a6b7c;
    --text-muted: #8a9aac;

    /* 背景 */
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-elevated: #ffffff;
    --card-bg: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.4);

    /* 边框与阴影 */
    --border: #e2e8f0;
    --border-light: #eef2f7;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 8px 28px rgba(245, 166, 35, 0.35);

    /* 布局 */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --header-height: 64px;
    --container-max: 1180px;

    /* 过渡 */
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 暗色模式 ---------- */
[data-theme="dark"] {
    --primary: #f5b83d;
    --primary-dark: #d49a1a;
    --primary-light: #2a2216;
    --primary-glow: rgba(245, 184, 61, 0.25);

    --secondary: #6ba5f0;
    --secondary-dark: #4a90e2;
    --secondary-light: #1a2638;

    --accent: #ff85b3;
    --accent-light: #2a1a22;

    --text: #e8edf3;
    --text-light: #a0b0c0;
    --text-muted: #6a7a8c;

    --bg: #121820;
    --bg-alt: #1a222e;
    --bg-elevated: #1e2836;
    --card-bg: #1e2836;
    --glass-bg: rgba(30, 40, 54, 0.72);
    --glass-border: rgba(255, 255, 255, 0.08);

    --border: #2a3648;
    --border-light: #222c3a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 8px 28px rgba(245, 184, 61, 0.25);
}

/* ---------- 全局基础 ---------- */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    overflow-x: hidden;
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
    padding-left: 1.5em;
}

button {
    font-family: inherit;
}

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

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 5px;
    border: 2px solid var(--bg-alt);
}

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

/* ---------- 容器 ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ---------- 顶部导航（毛玻璃） ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    border-bottom: 1px solid var(--border-light);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    backdrop-filter: blur(18px) saturate(180%);
    transition: box-shadow var(--transition), background var(--transition),
        border-color var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow);
    border-bottom-color: var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 16px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text);
    white-space: nowrap;
    flex-shrink: 0;
    transition: transform var(--transition);
}

.logo:hover {
    transform: scale(1.03);
}

.logo svg {
    width: 36px;
    height: 36px;
    transition: transform var(--transition-slow);
}

.logo:hover svg {
    transform: rotate(-8deg) scale(1.08);
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航链接 */
.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    padding: 0;
    flex-wrap: wrap;
    align-items: center;
}

.nav-links a {
    display: block;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    transition: background var(--transition), color var(--transition),
        transform var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-1px);
}

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

[data-theme="dark"] .nav-links a:hover,
[data-theme="dark"] .nav-links a.active {
    background: var(--primary-light);
    color: var(--primary);
}

/* 头部操作区 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* 搜索框 */
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 12px;
    transition: border var(--transition), box-shadow var(--transition),
        background var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    padding: 6px 4px;
    font-size: 0.88rem;
    color: var(--text);
    width: 120px;
    transition: width var(--transition);
}

.search-box input:focus {
    width: 160px;
}

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

.search-box button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    color: var(--text-light);
    transition: color var(--transition), transform var(--transition);
}

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

/* 主题切换 & 菜单按钮 */
.theme-toggle,
.menu-toggle {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
    transition: background var(--transition), color var(--transition),
        border var(--transition), transform var(--transition);
}

.theme-toggle:hover,
.menu-toggle:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary);
    transform: translateY(-2px) rotate(8deg);
}

.theme-toggle:active,
.menu-toggle:active {
    transform: scale(0.94);
}

.menu-toggle {
    display: none;
}

/* ---------- 移动导航 ---------- */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    z-index: 999;
    padding: 20px;
    overflow-y: auto;
    flex-direction: column;
    gap: 4px;
    animation: slideDown 0.3s ease;
}

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

.mobile-nav.open {
    display: flex;
}

.mobile-nav a {
    display: block;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text);
    font-weight: 500;
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition), color var(--transition),
        padding-left var(--transition);
}

.mobile-nav a:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding-left: 24px;
}

/* ---------- 主内容 ---------- */
main {
    display: block;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
    padding: 14px 0 6px;
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

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

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

.breadcrumb span {
    color: var(--text-muted);
}

/* ---------- 首屏 Hero（渐变 + 光晕） ---------- */
.hero {
    position: relative;
    padding: 48px 0 64px;
    background:
        radial-gradient(ellipse 80% 60% at 15% 0%, rgba(245, 166, 35, 0.18), transparent 60%),
        radial-gradient(ellipse 70% 60% at 90% 20%, rgba(74, 144, 226, 0.12), transparent 60%),
        linear-gradient(160deg, var(--primary-light) 0%, var(--bg) 70%);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    margin-bottom: 40px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-glow), transparent 70%);
    pointer-events: none;
    animation: floatSlow 8s ease-in-out infinite;
}

.hero::after {
    content: "";
    position: absolute;
    bottom: -100px;
    left: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.15), transparent 70%);
    pointer-events: none;
    animation: floatSlow 10s ease-in-out infinite reverse;
}

@keyframes floatSlow {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(20px, -20px) scale(1.08);
    }
}

[data-theme="dark"] .hero {
    background:
        radial-gradient(ellipse 80% 60% at 15% 0%, rgba(245, 184, 61, 0.1), transparent 60%),
        radial-gradient(ellipse 70% 60% at 90% 20%, rgba(107, 165, 240, 0.08), transparent 60%),
        linear-gradient(160deg, rgba(245, 184, 61, 0.06) 0%, var(--bg) 70%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text);
    letter-spacing: -0.5px;
}

.hero-text h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .lead {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.85;
}

/* Hero 统计 */
.hero-stats {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-dark);
    display: block;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    background: var(--primary-light);
    transform: translateY(-3px);
}

/* Hero 视觉 */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual svg {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.12));
    transition: transform var(--transition-slow);
    animation: floatSlow 6s ease-in-out infinite;
}

.hero-visual:hover svg {
    transform: scale(1.03) rotate(1deg);
}

/* ---------- 通用区块 ---------- */
.section {
    padding: 56px 0;
}

.section-alt {
    background: var(--bg-alt);
    position: relative;
}

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

.section-alt::before {
    top: 0;
}

.section-alt::after {
    bottom: 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text);
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1rem;
    max-width: 640px;
    margin: 0 auto;
}

.section-header .divider {
    width: 56px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 2px;
    margin: 16px auto 0;
    position: relative;
}

.section-header .divider::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 2px;
    filter: blur(6px);
    opacity: 0.6;
    animation: pulseGlow 2.5s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.4;
        transform: scaleX(1);
    }
    50% {
        opacity: 0.8;
        transform: scaleX(1.2);
    }
}

/* ---------- 卡片网格 ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* ---------- 卡片（毛玻璃 + 圆角） ---------- */
.card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition),
        border var(--transition), background var(--transition);
    overflow: hidden;
}

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

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

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

.card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    transition: color var(--transition);
}

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

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

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

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    transition: transform var(--transition), background var(--transition),
        color var(--transition);
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(-6deg);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

/* ---------- 文章列表 ---------- */
.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

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

.article-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-glow), transparent 40%);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.article-card:hover::after {
    opacity: 0.5;
}

.article-card-body {
    padding: 22px 22px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.article-meta {
    display: flex;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-light);
    margin-bottom: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.article-meta .tag {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 3px 12px;
    border-radius: 20px;
    font-weight: 600;
    transition: background var(--transition), color var(--transition);
}

.article-card:hover .article-meta .tag {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.article-meta time {
    font-variant-numeric: tabular-nums;
}

.article-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.5;
}

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

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

.article-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.75;
    flex: 1;
    margin-bottom: 14px;
}

.read-more {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition), color var(--transition);
}

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

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.faq-item.open {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--text);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    transition: background var(--transition), color var(--transition);
}

.faq-question:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.faq-question .arrow {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: transform var(--transition), color var(--transition);
}

.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
    color: var(--primary-dark);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 22px;
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.85;
}

.faq-item.open .faq-answer {
    max-height: 800px;
    padding: 0 22px 20px;
}

/* ---------- HowTo 步骤 ---------- */
.howto-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px 20px;
    counter-reset: step;
    padding-top: 14px;
}

.howto-step {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px 22px;
    position: relative;
    counter-increment: step;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition),
        border var(--transition);
}

.howto-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.howto-step::before {
    content: counter(step);
    position: absolute;
    top: -14px;
    left: 22px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px var(--primary-glow);
    transition: transform var(--transition);
}

.howto-step:hover::before {
    transform: scale(1.15) rotate(-10deg);
}

.howto-step h4 {
    font-size: 1rem;
    font-weight: 700;
    margin: 10px 0 8px;
    color: var(--text);
}

.howto-step p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ---------- 客户评价 ---------- */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 22px;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 24px;
    box-shadow: var(--shadow);
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition),
        border var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.testimonial-card .quote-mark {
    font-size: 3rem;
    line-height: 1;
    color: var(--primary);
    opacity: 0.25;
    font-family: Georgia, serif;
    margin-bottom: -10px;
    transition: opacity var(--transition), transform var(--transition);
}

.testimonial-card:hover .quote-mark {
    opacity: 0.5;
    transform: scale(1.1);
}

.testimonial-card p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.85;
    margin-bottom: 16px;
}

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

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover .testimonial-avatar {
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.testimonial-author strong {
    font-size: 0.92rem;
    color: var(--text);
    display: block;
}

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

/* ---------- 联系卡片 ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 22px;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 24px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition),
        border var(--transition);
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.contact-card .contact-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    transition: transform var(--transition), background var(--transition),
        color var(--transition);
}

.contact-card:hover .contact-icon {
    transform: scale(1.12) rotate(-8deg);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

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

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

.contact-card a {
    font-weight: 600;
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 40px;
    position: relative;
}

.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    opacity: 0.7;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-top: 12px;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text);
    position: relative;
    padding-bottom: 8px;
}

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

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 0.85rem;
    color: var(--text-light);
    transition: color var(--transition), padding-left var(--transition);
    display: inline-block;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-light);
}

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

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

/* ---------- 返回顶部 ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity var(--transition), visibility var(--transition),
        transform var(--transition), box-shadow var(--transition);
    z-index: 900;
}

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

.back-to-top:hover {
    transform: translateY(-4px) scale(1.06);
    box-shadow: 0 12px 32px var(--primary-glow);
}

.back-to-top:active {
    transform: scale(0.94);
}

/* ---------- Banner 轮播 ---------- */
.banner-slider {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
    background: var(--card-bg);
    border: 1px solid var(--border);
}

.slider-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(245, 166, 35, 0.14), transparent 60%),
        linear-gradient(135deg, var(--primary-light), var(--bg-alt));
    text-align: center;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

[data-theme="dark"] .slide {
    background:
        radial-gradient(ellipse at 30% 50%, rgba(245, 184, 61, 0.08), transparent 60%),
        linear-gradient(135deg, rgba(245, 184, 61, 0.06), var(--bg-alt));
}

.slide h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
}

.slide p {
    font-size: 0.92rem;
    color: var(--text-light);
    max-width: 480px;
}

.slider-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

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

.slider-dot.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    transform: scale(1.2);
    width: 24px;
    border-radius: 5px;
}

/* ---------- 滚动动画 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

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

/* 数字动画 */
.stat-number[data-target] {
    display: inline-block;
}

/* ---------- 辅助类 ---------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mt-24 {
    margin-top: 24px;
}

.mt-32 {
    margin-top: 32px;
}

.mb-24 {
    margin-bottom: 24px;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-12 {
    gap: 12px;
}

.inline-flex {
    display: inline-flex;
    align-items: center;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-visual svg {
        max-width: 320px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }
}

/* ---------- 响应式：手机横屏 / 小平板 ---------- */
@media (max-width: 768px) {
    :root {
        --header-height: 58px;
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .search-box {
        display: none;
    }

    .hero {
        padding: 32px 0 48px;
    }

    .hero-text h1 {
        font-size: 1.7rem;
    }

    .hero-stats {
        gap: 18px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .section {
        padding: 40px 0;
    }

    .section-header h2 {
        font-size: 1.4rem;
    }

    .article-list {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }

    .howto-steps {
        grid-template-columns: 1fr;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .slide {
        padding: 36px 20px;
    }

    .slide h3 {
        font-size: 1.1rem;
    }

    .slide p {
        font-size: 0.86rem;
    }
}

/* ---------- 响应式：小手机 ---------- */
@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }

    .hero {
        padding: 24px 0 36px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .hero-text h1 {
        font-size: 1.45rem;
    }

    .hero-text .lead {
        font-size: 0.95rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.88rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        justify-content: center;
        width: 100%;
    }

    .section-header h2 {
        font-size: 1.25rem;
    }

    .card {
        padding: 22px 18px;
    }

    .article-card-body {
        padding: 18px 18px 16px;
    }

    .faq-question {
        padding: 14px 16px;
        font-size: 0.92rem;
    }

    .faq-answer {
        padding: 0 16px;
    }

    .faq-item.open .faq-answer {
        padding: 0 16px 16px;
    }

    .howto-step {
        padding: 24px 18px 18px;
    }

    .howto-step::before {
        left: 18px;
        width: 28px;
        height: 28px;
        top: -12px;
        font-size: 0.82rem;
    }

    .testimonial-card {
        padding: 22px 18px;
    }

    .contact-card {
        padding: 22px 18px;
    }

    .logo {
        font-size: 1.15rem;
    }

    .logo svg {
        width: 30px;
        height: 30px;
    }

    .theme-toggle,
    .menu-toggle {
        width: 36px;
        height: 36px;
    }

    .slider-dot.active {
        width: 20px;
    }
}

/* ---------- 减少动画偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ---------- 打印样式 ---------- */
@media print {
    .site-header,
    .mobile-nav,
    .back-to-top,
    .banner-slider,
    .hero-visual {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .card,
    .article-card,
    .faq-item {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}
```