/* ===== 全局变量 ===== */
:root {
    --primary: #e67e22;
    --primary-dark: #d35400;
    --bg: #ffffff;
    --text: #333333;
    --text-light: #666666;
    --bg-alt: #f9f9f9;
    --border: #eeeeee;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --radius: 16px;
    --transition: 0.3s ease;
}

[data-theme="dark"] {
    --bg: #1a1a2e;
    --text: #e0e0e0;
    --text-light: #aaa;
    --bg-alt: #16213e;
    --border: #2a2a4a;
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: background var(--transition);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; color: var(--text); font-weight: 700; font-size: 1.3rem; }
.logo-highlight { color: var(--primary); }
.nav-menu { display: flex; gap: 24px; }
.nav-link { text-decoration: none; color: var(--text-light); font-weight: 500; transition: color 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle, .hamburger { background: none; border: none; cursor: pointer; font-size: 1.2rem; color: var(--text); }

/* 汉堡菜单（移动端） */
.hamburger { display: none; flex-direction: column; gap: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--text); transition: 0.3s; }

/* ===== 面包屑 ===== */
.breadcrumb-bar {
    background: var(--bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    margin-top: 60px;
    font-size: 0.95rem;
}
.breadcrumb-bar .container { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.breadcrumb-bar a { color: var(--text-light); text-decoration: none; }
.breadcrumb-bar a:hover { color: var(--primary); }
.breadcrumb-bar .separator { color: #ccc; }
.breadcrumb-bar .current { color: var(--text); font-weight: 600; }

/* ===== 轮播图 ===== */
.hero-slider {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden;
    background: #1a1a2e;
}
.slider-track { display: flex; height: 100%; transition: transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.slider-slide { flex: 0 0 100%; position: relative; height: 100%; overflow: hidden; }
.slider-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slider-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}
.slider-content { position: absolute; z-index: 2; bottom: 60px; left: 8%; right: 8%; color: #fff; max-width: 600px; }
.slider-tag {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.slider-content .slider-heading { font-size: 2.8rem; font-weight: 900; margin-bottom: 12px; line-height: 1.2; font-family: Georgia, "Songti SC", serif; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.slider-content p { font-size: 1.15rem; opacity: 0.9; margin-bottom: 24px; }
.slider-btn {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3); color: #fff;
    width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.8rem;
    display: flex; align-items: center; justify-content: center; transition: all 0.3s; backdrop-filter: blur(5px);
}
.slider-btn:hover { background: rgba(255,255,255,0.3); transform: translateY(-50%) scale(1.1); }
.slider-btn.prev { left: 24px; }
.slider-btn.next { right: 24px; }
.slider-dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; gap: 12px; }
.slider-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: all 0.3s; }
.slider-dots .dot.active { background: #fff; width: 30px; border-radius: 5px; }

/* ===== Hero 区域 ===== */
.hero { position: relative; padding: 100px 0 80px; text-align: center; background: var(--bg-alt); }
.hero-content { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.hero-badge { display: inline-block; background: var(--primary); color: #fff; padding: 6px 20px; border-radius: 30px; margin-bottom: 20px; font-size: 0.9rem; }
.hero-title { font-size: 3.2rem; font-weight: 900; line-height: 1.2; margin-bottom: 16px; }
.hero-highlight { color: var(--primary); }
.hero-subtitle { font-size: 1.2rem; color: var(--text-light); margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.btn { display: inline-block; padding: 12px 28px; border-radius: 50px; text-decoration: none; font-weight: 600; transition: all 0.3s; cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--text); border: 2px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-card { background: var(--primary); color: #fff; padding: 8px 20px; border-radius: 30px; font-size: 0.9rem; }
.hero-keywords-text { max-width: 700px; margin: 0 auto 40px; color: var(--text-light); line-height: 1.8; }
.hero-keywords-text a { color: var(--primary); text-decoration: none; border-bottom: 1px dashed var(--primary); }
.hero-mini-gallery { display: flex; gap: 12px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.mini-img img { border-radius: 8px; width: 120px; height: 80px; object-fit: cover; }
.hero-stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 900; color: var(--primary); }
.stat-label { color: var(--text-light); }

.hero-scroll-indicator { text-align: center; margin-top: 40px; color: var(--text-light); font-size: 0.9rem; }
.scroll-line { width: 2px; height: 40px; background: var(--border); margin: 8px auto 0; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ===== 通用 section ===== */
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag { display: inline-block; color: var(--primary); font-weight: 600; margin-bottom: 8px; }
.section-title { font-size: 2.2rem; font-weight: 700; margin-bottom: 12px; }
.section-desc { color: var(--text-light); }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s, transform 0.6s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== 分类卡片 ===== */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.category-card { background: var(--bg-alt); padding: 30px 20px; border-radius: var(--radius); text-align: center; text-decoration: none; color: var(--text); transition: all 0.3s; }
.category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.category-icon { font-size: 2.5rem; margin-bottom: 12px; }
.category-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.category-card p { font-size: 0.9rem; color: var(--text-light); }
.category-link { display: inline-block; margin-top: 14px; color: var(--primary); font-size: 0.9rem; font-weight: 700; text-decoration: none; }
.category-link:hover { text-decoration: underline; }
.category-count { display: inline-block; margin-top: 10px; font-size: 0.85rem; color: var(--primary); }

/* ===== 博主卡片 ===== */
.blogger-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.blogger-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all 0.3s; }
.blogger-card:hover { transform: translateY(-5px); }
.blogger-image { position: relative; }
.blogger-image img { width: 100%; height: 280px; object-fit: cover; }
.blogger-category { position: absolute; top: 12px; left: 12px; background: var(--primary); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; }
.blogger-info { padding: 20px; }
.blogger-info h3 { font-size: 1.3rem; margin-bottom: 4px; }
.blogger-location { color: var(--text-light); font-size: 0.9rem; }
.blogger-desc { color: var(--text-light); margin: 8px 0 12px; font-size: 0.95rem; }
.blogger-meta { display: flex; gap: 12px; color: var(--text-light); font-size: 0.85rem; margin-bottom: 12px; }

/* ===== 灵感网格 ===== */
.inspiration-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.inspiration-item { position: relative; border-radius: var(--radius); overflow: hidden; color: #fff; text-decoration: none; min-height: 210px; }
.inspiration-item.large { grid-column: span 2; grid-row: span 2; }
.inspiration-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.inspiration-item:hover img { transform: scale(1.05); }
.inspiration-overlay a { color: #fff; }
.inspiration-overlay a:hover { text-decoration: underline; }
.inspiration-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.7), transparent); color: #fff; display: flex; flex-direction: column; justify-content: flex-end; padding: 16px; }
.destination-tag { align-self: flex-start; background: rgba(255,255,255,0.2); padding: 2px 10px; border-radius: 12px; font-size: 0.75rem; margin-bottom: 6px; }
.inspiration-title { font-size: 1.1rem; font-weight: 700; }
.inspiration-overlay p { font-size: 0.85rem; opacity: 0.9; }
.destination-bloggers { font-size: 0.8rem; opacity: 0.8; }

/* ===== 评价卡片 ===== */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testimonial-card { background: var(--bg-alt); padding: 30px; border-radius: var(--radius); position: relative; }
.testimonial-quote { font-size: 3rem; color: var(--primary); line-height: 1; }
.testimonial-text { margin: 12px 0 20px; color: var(--text-light); }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { font-size: 2rem; }
.testimonial-author h4 { font-size: 1rem; }
.testimonial-author p { font-size: 0.85rem; color: var(--text-light); }

/* ===== 订阅区域 ===== */
.newsletter-box { background: var(--primary); border-radius: var(--radius); padding: 50px 30px; text-align: center; color: #fff; }
.newsletter-content h2 { font-size: 2rem; margin-bottom: 8px; }
.newsletter-content p { margin-bottom: 24px; opacity: 0.9; }
.newsletter-form { display: flex; gap: 12px; max-width: 500px; margin: 0 auto; }
.newsletter-form input { flex: 1; padding: 12px 20px; border: none; border-radius: 50px; font-size: 1rem; }
.newsletter-form button { background: #fff; color: var(--primary); border: none; padding: 12px 30px; border-radius: 50px; font-weight: 600; cursor: pointer; }

/* ===== 页脚 ===== */
.footer { background: var(--bg-alt); padding: 60px 0 20px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-about p { color: var(--text-light); margin-top: 12px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-links h4 { margin-bottom: 16px; }
.footer-links a { display: block; color: var(--text-light); text-decoration: none; margin-bottom: 8px; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom-bar { border-top: 1px solid var(--border); padding-top: 20px; display: flex; flex-direction: column; gap: 12px; text-align: center; }
.footer-bottom-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; color: var(--text-light); font-size: 0.9rem; }
.footer-bottom-links a { color: var(--text-light); text-decoration: none; }
.footer-bottom-links a:hover { color: var(--primary); }
.footer-divider { color: #ccc; }
.footer-bottom-info { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; font-size: 0.85rem; color: var(--text-light); }

/* ===== 返回顶部 ===== */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; border: none; cursor: pointer; font-size: 1.2rem; display: none; z-index: 999; }
.back-to-top.show { display: block; }

/* ===== 页面通用（about/blog/faq） ===== */
.page-hero { background: var(--bg-alt); padding: 60px 0; text-align: center; }
.page-hero h1 { font-size: 2.5rem; margin-bottom: 8px; }
.about-content { padding: 60px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.about-stats { display: flex; gap: 40px; justify-content: center; }
.blog-section { margin: 60px 0; }
.faq-item { margin-bottom: 30px; }

/* ===== 真实内容详情 ===== */
.content-detail-list { margin: 80px 0 40px; }
.content-detail {
    display: grid;
    grid-template-columns: minmax(240px, 36%) 1fr;
    gap: 28px;
    align-items: start;
    margin: 0 0 32px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-alt);
    scroll-margin-top: 90px;
}
.content-detail img { width: 100%; height: 260px; object-fit: cover; border-radius: 12px; }
.content-detail h3 { margin-bottom: 14px; font-size: 1.45rem; }
.content-detail p { margin-bottom: 12px; color: var(--text-light); }
.content-detail ul { padding-left: 1.2rem; color: var(--text-light); }
.content-detail li { margin: 6px 0; }
.content-detail a, .legal-content a, .internal-auto-link { color: var(--primary-dark); text-underline-offset: 3px; }
.content-detail.compact { grid-template-columns: 1fr; }
.blog-section { scroll-margin-top: 90px; }

/* ===== 条款正文 ===== */
.legal-content { max-width: 880px; padding-top: 52px; padding-bottom: 20px; }
.legal-content section { margin-bottom: 32px; }
.legal-content h2 { margin-bottom: 10px; font-size: 1.45rem; }
.legal-content p { color: var(--text-light); line-height: 1.9; }
.legal-updated { padding: 12px 16px; margin-bottom: 32px; border-left: 4px solid var(--primary); background: var(--bg-alt); }
.legal-related { padding-top: 24px; border-top: 1px solid var(--border); }

:focus-visible { outline: 3px solid rgba(230,126,34,0.45); outline-offset: 3px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .nav-menu { position: fixed; top: 60px; left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 20px; gap: 16px; transform: translateY(-150%); transition: transform 0.3s; }
    .nav-menu.open { transform: translateY(0); }
    .hamburger { display: flex; }
    .hero-slider { height: 400px; }
    .slider-content .slider-heading { font-size: 1.8rem; }
    .slider-content p { font-size: 0.95rem; }
    .slider-btn { width: 36px; height: 36px; font-size: 1.4rem; }
    .slider-btn.prev { left: 12px; }
    .slider-btn.next { right: 12px; }
    .hero-title { font-size: 2.2rem; }
    .inspiration-grid { grid-template-columns: 1fr 1fr; }
    .inspiration-item.large { grid-column: span 2; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .content-detail { grid-template-columns: 1fr; }
    .content-detail img { height: auto; max-height: 420px; }
}
@media (max-width: 480px) {
    .hero-slider { height: 320px; }
    .hero-stats { gap: 20px; }
    .categories-grid { grid-template-columns: 1fr 1fr; }
    .blogger-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .newsletter-form { flex-direction: column; }
}