/* ============================================================
   KY棋牌 · 翡翠金韵 — 新中式轻奢设计系统
   Awwwards 水准 · 完全原创视觉语言
   ============================================================ */

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

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    overflow-x: hidden;
    background: #FDF8F3;
    color: #2D2A27;
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(45, 138, 110, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 169, 110, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(45, 138, 110, 0.03) 0%, transparent 50%);
    background-attachment: fixed;
}

/* --- 滚动条美化 --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #F5F0EB; }
::-webkit-scrollbar-thumb { background: #C9A96E; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #B8955A; }

/* --- 选择器高亮 --- */
::selection {
    background: rgba(45, 138, 110, 0.2);
    color: #1A5A4A;
}

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

.section {
    padding: 96px 0;
    position: relative;
}

.section:nth-child(even) {
    background: rgba(245, 240, 235, 0.6);
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #C9A96E, transparent);
    opacity: 0.5;
}

.section:first-child::before { display: none; }

/* --- 导航 · 固定顶部 --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(253, 248, 243, 0.88);
    backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid rgba(201, 169, 110, 0.15);
    transition: all 0.3s ease;
}

.site-header:hover {
    background: rgba(253, 248, 243, 0.96);
}

.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: 12px;
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: #1A7A5A;
    letter-spacing: 1px;
    transition: opacity 0.2s;
}

.logo:hover { opacity: 0.85; }

.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, #1A7A5A, #2D8A6E);
    color: #fff;
    box-shadow: 0 2px 12px rgba(26, 122, 90, 0.25);
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '♠';
    font-size: 1.4rem;
    line-height: 1;
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.3));
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: #5A5550;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 0;
    letter-spacing: 0.3px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #C9A96E, #D4A853);
    transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 1px;
}

.main-nav a:hover {
    color: #1A7A5A;
}

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

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #1A7A5A, #2D8A6E) !important;
    box-shadow: 0 4px 16px rgba(26, 122, 90, 0.3);
    transition: all 0.3s ease !important;
    letter-spacing: 0.5px !important;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(26, 122, 90, 0.4) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(45, 138, 110, 0.08);
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.menu-toggle:hover { background: rgba(45, 138, 110, 0.15); }

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #1A7A5A;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s;
}

.menu-toggle span::before,
.menu-toggle span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #1A7A5A;
    border-radius: 2px;
    transition: all 0.3s;
}

.menu-toggle span::before { top: -7px; }
.menu-toggle span::after { top: 7px; }

/* --- 首页 Hero --- */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    background:
        linear-gradient(135deg, rgba(26, 122, 90, 0.03) 0%, transparent 50%),
        linear-gradient(225deg, rgba(201, 169, 110, 0.04) 0%, transparent 50%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45, 138, 110, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '♠ ♥ ♦ ♣';
    position: absolute;
    bottom: 20px;
    right: 40px;
    font-size: 6rem;
    color: rgba(201, 169, 110, 0.06);
    letter-spacing: 20px;
    pointer-events: none;
    font-weight: 300;
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(26, 122, 90, 0.1), rgba(201, 169, 110, 0.1));
    color: #1A7A5A;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid rgba(201, 169, 110, 0.2);
}

.hero h1 {
    font-size: 3.4rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    color: #1A5A4A;
    letter-spacing: -0.5px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #1A7A5A, #C9A96E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.65;
    max-width: 540px;
    margin-bottom: 36px;
    color: #4A4540;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(26, 122, 90, 0.08);
}

.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: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #1A7A5A, #2D8A6E);
    box-shadow: 0 4px 20px rgba(26, 122, 90, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(26, 122, 90, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid rgba(26, 122, 90, 0.3);
    color: #1A7A5A;
}

.btn-outline:hover {
    background: rgba(26, 122, 90, 0.05);
    border-color: #1A7A5A;
    transform: translateY(-2px);
}

/* --- 标签/标题 --- */
.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
    color: #C9A96E;
    text-transform: uppercase;
    position: relative;
    padding-left: 36px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 1.5px;
    background: #C9A96E;
    border-radius: 1px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 16px;
    font-weight: 800;
    color: #1A5A4A;
    letter-spacing: -0.3px;
    line-height: 1.25;
}

.section-desc {
    max-width: 600px;
    opacity: 0.6;
    margin-bottom: 48px;
    color: #5A5550;
    font-size: 1rem;
    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;
    border: 1px solid rgba(201, 169, 110, 0.15);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1A7A5A, #C9A96E);
    opacity: 0;
    transition: opacity 0.4s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(26, 122, 90, 0.12);
    border-color: rgba(201, 169, 110, 0.3);
}

.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: 20px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(26, 122, 90, 0.08), rgba(201, 169, 110, 0.08));
    color: #1A7A5A;
    transition: all 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, rgba(26, 122, 90, 0.15), rgba(201, 169, 110, 0.15));
    transform: scale(1.05);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1A5A4A;
}

.category-card p {
    font-size: 0.88rem;
    opacity: 0.6;
    margin-bottom: 16px;
    line-height: 1.6;
}

.card-link {
    font-weight: 600;
    font-size: 0.82rem;
    text-decoration: none;
    color: #C9A96E;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}

.card-link:hover {
    gap: 12px;
    color: #B8955A;
}

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

.feature-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(26, 122, 90, 0.08);
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    pointer-events: none;
}

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

.feature-image:hover img {
    transform: scale(1.02);
}

.feature-text h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #1A5A4A;
}

.feature-text p {
    opacity: 0.65;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #3A3530;
}

.feature-list li::before {
    content: '✦';
    font-weight: 400;
    color: #C9A96E;
    font-size: 0.9rem;
}

/* --- 数据条 --- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 20px;
    border-radius: 16px;
    border: 1px solid rgba(201, 169, 110, 0.12);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(26, 122, 90, 0.06);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: #1A7A5A;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-number .suffix {
    font-size: 1.4rem;
    font-weight: 600;
    color: #C9A96E;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.55;
    color: #5A5550;
    font-weight: 500;
}

/* --- 内容墙 --- */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(201, 169, 110, 0.12);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.content-wall-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(26, 122, 90, 0.1);
    border-color: rgba(201, 169, 110, 0.25);
}

.content-wall-item img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    transition: transform 0.6s;
}

.content-wall-item:hover img {
    transform: scale(1.03);
}

.content-wall-body {
    padding: 22px 24px 26px;
}

.content-wall-body .tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: #C9A96E;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
}

.content-wall-body h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #1A5A4A;
}

.content-wall-body p {
    font-size: 0.85rem;
    opacity: 0.6;
    line-height: 1.6;
}

/* --- FAQ --- */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(201, 169, 110, 0.15);
    border-radius: 12px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(201, 169, 110, 0.3);
    background: rgba(255, 255, 255, 0.7);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #1A5A4A;
    font-size: 1rem;
    letter-spacing: 0.2px;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.2rem;
    font-weight: 300;
    color: #C9A96E;
    transition: transform 0.3s;
}

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

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    opacity: 0.65;
    line-height: 1.7;
    color: #4A4540;
    font-size: 0.92rem;
}

.faq-item.open .faq-answer {
    display: block;
}

/* --- CTA横幅 --- */
.cta-banner {
    padding: 68px 32px;
    text-align: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #1A7A5A 0%, #2D8A6E 40%, #1A5A4A 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(26, 122, 90, 0.25);
}

.cta-banner::before {
    content: '♠ ♥ ♦ ♣';
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.03);
    letter-spacing: 16px;
    pointer-events: none;
    transform: rotate(15deg);
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.4), transparent);
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
    font-size: 1.05rem;
    position: relative;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #1A7A5A;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-banner .btn-primary:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateY(-3px);
}

/* --- 页脚 --- */
.site-footer {
    padding: 72px 0 32px;
    background: #1A2A24;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #C9A96E, transparent);
    opacity: 0.3;
}

.site-footer .container {
    position: relative;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand .logo {
    color: #fff;
    font-size: 1.2rem;
}

.footer-brand .logo .logo-icon {
    background: linear-gradient(135deg, #C9A96E, #D4A853);
    box-shadow: 0 2px 12px rgba(201, 169, 110, 0.3);
}

.footer-brand p {
    font-size: 0.88rem;
    opacity: 0.5;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: #C9A96E;
    border-radius: 1px;
    opacity: 0.5;
}

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

.footer-col ul a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-col ul a:hover {
    color: #C9A96E;
    transform: translateX(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, 0.5);
    letter-spacing: 0.5px;
}

/* --- 工具类 --- */
.text-accent {
    color: #C9A96E;
}

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

.seo-description {
    max-width: 640px;
    margin: 0 auto 48px;
    opacity: 0.55;
    line-height: 1.7;
    color: #5A5550;
    font-size: 0.95rem;
}

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

/* --- 额外装饰组件 --- */
.divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #C9A96E, transparent);
    margin: 24px 0;
    border-radius: 1px;
}

.divider.center {
    margin-left: auto;
    margin-right: auto;
}

.gold-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #C9A96E;
    margin: 0 8px;
    vertical-align: middle;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    .section-title {
        font-size: 1.9rem;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

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

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

    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .feature-block .feature-image {
        order: -1;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(253, 248, 243, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px 20px;
        gap: 16px;
        border-bottom: 1px solid rgba(201, 169, 110, 0.15);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
    }

    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }

    .main-nav.open .nav-cta {
        text-align: center;
        padding: 12px !important;
        margin-top: 8px;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .cta-banner {
        padding: 48px 24px;
    }

    .cta-banner h2 {
        font-size: 1.5rem;
    }

    .cards-grid,
    .content-wall {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero::after {
        font-size: 3rem;
        bottom: 10px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

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

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-item {
        padding: 24px 16px;
    }

    .container {
        padding: 0 16px;
    }

    .header-inner {
        padding: 0 16px;
        height: 64px;
    }

    .hero::after {
        display: none;
    }

    .cta-banner {
        padding: 36px 20px;
        border-radius: 14px;
    }

    .cta-banner h2 {
        font-size: 1.3rem;
    }

    .feature-block {
        gap: 28px;
    }
}

/* --- 动画关键帧 --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.category-card:nth-child(1) { animation: fadeInUp 0.6s 0.05s both; }
.category-card:nth-child(2) { animation: fadeInUp 0.6s 0.1s both; }
.category-card:nth-child(3) { animation: fadeInUp 0.6s 0.15s both; }
.category-card:nth-child(4) { animation: fadeInUp 0.6s 0.2s both; }
.category-card:nth-child(5) { animation: fadeInUp 0.6s 0.25s both; }
.category-card:nth-child(6) { animation: fadeInUp 0.6s 0.3s both; }

/* --- 加载状态微交互 --- */
.btn:active {
    transform: scale(0.97);
}

/* --- 焦点状态 --- */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #C9A96E;
    outline-offset: 3px;
    border-radius: 4px;
}

/* --- 打印优化 --- */
@media print {
    .site-header {
        position: relative;
        backdrop-filter: none;
        background: #fff;
        border-bottom: 1px solid #ddd;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .btn,
    .nav-cta {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .cta-banner {
        background: #1A7A5A !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cta-banner h2,
    .cta-banner p {
        color: #fff !important;
    }
}