/*
Theme Name: 环球探索
Theme URI: https://example.com/trip-explore
Author: xiaoshu
Author URI: https://example.com
Description: 专为旅游网站设计的WordPress主题，含国家页、城市专题、攻略库、行程产品、工具页等模板。
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: trip-explore
*/

/* ========================================
   TripExplore WordPress 主题 - 样式表
   直接复用之前HTML中的全部CSS（略作调整）
   ======================================== */
:root {
  --color-primary: #1a6b7f;
  --color-primary-dark: #0f4f5f;
  --color-primary-light: #e6f3f6;
  --color-accent: #e85d3a;
  --color-accent-hover: #c94a2c;
  --color-accent-light: #fef0ec;
  --color-gold: #e8b840;
  --color-bg: #f9f6f2;
  --color-bg-alt: #f3efe9;
  --color-white: #ffffff;
  --color-text: #2d2d2d;
  --color-text-light: #5a5a5a;
  --color-text-muted: #8a8a8a;
  --color-border: #e8e4df;
  --color-border-light: #f0ede8;
  --color-success: #2d8c4e;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-md: rgba(0, 0, 0, 0.10);
  --color-shadow-lg: rgba(0, 0, 0, 0.14);
  --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
  --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'Times New Roman', serif;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.18s ease;
  --max-width: 1240px;
  --header-height: 72px;
  --section-gap: 80px;
}

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: #1a1a1a;
        }
        h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: clamp(1.25rem, 2vw, 1.6rem);
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--color-text-light);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            :root {
                --section-gap: 52px;
            }
        }

        /* --- 按钮 --- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 4px 16px rgba(232, 93, 58, 0.28);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(232, 93, 58, 0.38);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--color-text);
            border-color: #fff;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
        }
        .btn-white:hover {
            background: #fafafa;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.13);
            transform: translateY(-2px);
            color: var(--color-accent);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.85rem;
            border-radius: 40px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 56px;
        }

        /* --- 顶部导航 --- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition);
            height: var(--header-height);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px var(--color-shadow);
            background: rgba(255, 255, 255, 0.97);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .site-logo {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.02em;
        }
        .site-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 10px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.93rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .main-nav .nav-cta {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 20px;
            margin-left: 6px;
            font-weight: 600;
        }
        .main-nav .nav-cta:hover {
            background: var(--color-accent-hover);
            color: #fff !important;
        }
        /* 移动端菜单 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 38px;
            height: 38px;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            padding: 4px;
            z-index: 1001;
        }
        .mobile-menu-toggle span {
            display: block;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 3px;
            transition: all var(--transition-fast);
        }
        @media (max-width: 960px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 90px 28px 30px;
                gap: 4px;
                box-shadow: -4px 0 30px var(--color-shadow-lg);
                transition: right var(--transition);
                overflow-y: auto;
                align-items: stretch;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                padding: 13px 18px;
                border-radius: 10px;
                font-size: 1rem;
            }
            .main-nav .nav-cta {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .mobile-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                z-index: 999;
            }
            .mobile-overlay.show {
                display: block;
            }
        }

        /* --- Hero 区域（首页） --- */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(170deg, #1a6b7f 0%, #0f4f5f 30%, #1a5a6a 60%, #0d3f4f 100%);
            overflow: hidden;
            padding: 80px 20px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 800"><circle cx="200" cy="150" r="300" fill="rgba(255,255,255,0.03)"/><circle cx="1100" cy="500" r="400" fill="rgba(255,255,255,0.025)"/><circle cx="700" cy="700" r="250" fill="rgba(255,255,255,0.02)"/></svg>') center/cover no-repeat;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            color: #fff;
        }
        .hero-content h1 {
            color: #fff;
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            margin-bottom: 1rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .hero-content .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .hero-search-box {
            display: flex;
            background: #fff;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            max-width: 560px;
            margin: 0 auto;
        }
        .hero-search-box input {
            flex: 1;
            border: none;
            padding: 16px 22px;
            font-size: 1rem;
            outline: none;
            color: var(--color-text);
            background: transparent;
            min-width: 0;
        }
        .hero-search-box input::placeholder {
            color: #aaa;
        }
        .hero-search-box button {
            background: var(--color-accent);
            border: none;
            color: #fff;
            padding: 16px 28px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: background var(--transition-fast);
            border-radius: 0 60px 60px 0;
        }
        .hero-search-box button:hover {
            background: var(--color-accent-hover);
        }
        @media (max-width: 600px) {
            .hero-search-box {
                flex-direction: column;
                border-radius: 20px;
                gap: 0;
            }
            .hero-search-box input {
                padding: 14px 18px;
                text-align: center;
            }
            .hero-search-box button {
                border-radius: 0 0 20px 20px;
                padding: 14px;
                text-align: center;
            }
            .hero-section {
                min-height: 420px;
                padding: 50px 16px;
            }
        }

        /* --- 区块标题 --- */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-header h2 {
            margin-bottom: 10px;
        }
        .section-header .section-desc {
            color: var(--color-text-muted);
            max-width: 500px;
            margin: 0 auto;
            font-size: 0.95rem;
        }
        .section-gap {
            padding: var(--section-gap) 0;
        }

        /* --- 目的地卡片网格 --- */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .destination-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 2px 12px var(--color-shadow);
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }
        .destination-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px var(--color-shadow-md);
        }
        .destination-card .card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #e0dcd5;
        }
        .destination-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .destination-card:hover .card-img img {
            transform: scale(1.06);
        }
        .destination-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 1;
        }
        .destination-card .card-body {
            padding: 18px;
        }
        .destination-card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 4px;
        }
        .destination-card .card-body .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .destination-card .card-body .card-meta span {
            margin-right: 12px;
        }

        /* --- 特色攻略预览 --- */
        .blog-preview-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 22px;
        }
        .blog-preview-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 2px 10px var(--color-shadow);
            transition: all var(--transition);
        }
        .blog-preview-card:hover {
            box-shadow: 0 8px 24px var(--color-shadow-md);
            transform: translateY(-3px);
        }
        .blog-preview-card .bp-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #e0dcd5;
        }
        .blog-preview-card .bp-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .blog-preview-card:hover .bp-img img {
            transform: scale(1.05);
        }
        .blog-preview-card .bp-body {
            padding: 18px 20px 20px;
        }
        .blog-preview-card .bp-cat {
            font-size: 0.78rem;
            color: var(--color-accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .blog-preview-card .bp-body h3 {
            font-size: 1.1rem;
            margin: 6px 0 8px;
        }
        .blog-preview-card .bp-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* --- 工具入口条 --- */
        .tools-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            padding: 40px 0;
        }
        .tool-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 50px;
            padding: 14px 24px;
            font-weight: 500;
            transition: all var(--transition-fast);
            box-shadow: 0 1px 4px var(--color-shadow);
            font-size: 0.93rem;
        }
        .tool-chip:hover {
            border-color: var(--color-primary);
            background: var(--color-primary-light);
            box-shadow: 0 4px 14px var(--color-shadow);
            transform: translateY(-2px);
            color: var(--color-primary);
        }
        .tool-chip .tool-icon {
            font-size: 1.4rem;
        }

        /* --- CTA横幅 --- */
        .cta-banner {
            background: linear-gradient(135deg, #1a6b7f 0%, #0f4f5f 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            top: -80px;
            right: -60px;
        }
        .cta-banner h2 {
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            z-index: 1;
            margin-bottom: 20px;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* --- 页脚 --- */
        .site-footer {
            background: #1a1f24;
            color: #bcc4cc;
            padding: 50px 0 30px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #fff;
            font-family: var(--font-family);
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: #8a929b;
            padding: 5px 0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #6a727b;
        }

        /* ========== 国家页模板 ========== */
        .country-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            padding: 60px 28px 40px;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
            background: linear-gradient(180deg, #2c5f6e 0%, #1a3f4a 100%);
            margin-bottom: 40px;
        }
        .country-hero .country-hero-bg {
            position: absolute;
            inset: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            opacity: 0.45;
        }
        .country-hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            color: #fff;
        }
        .country-hero-content h1 {
            color: #fff;
            font-size: clamp(2rem, 4vw, 2.8rem);
            margin-bottom: 6px;
        }
        .country-hero-content .country-quick-info {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .country-cities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 18px;
            margin-top: 28px;
        }
        .city-link-card {
            display: block;
            background: #fff;
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: 0 2px 8px var(--color-shadow);
            transition: all var(--transition);
            text-align: center;
            border: 2px solid transparent;
        }
        .city-link-card:hover {
            border-color: var(--color-primary);
            box-shadow: 0 8px 22px var(--color-shadow-md);
            transform: translateY(-3px);
            color: var(--color-text);
        }
        .city-link-card .city-emoji {
            font-size: 2.6rem;
            margin-bottom: 8px;
        }
        .city-link-card h3 {
            font-size: 1.05rem;
            margin-bottom: 2px;
        }
        .city-link-card .city-count {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== 城市专题页 - City Hub ========== */
        .city-hub-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
            background: #3a5060;
            margin-bottom: 0;
        }
        .city-hub-hero img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .city-hub-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 30%, rgba(0, 0, 0, 0.65));
        }
        .city-hub-hero-content {
            position: relative;
            z-index: 2;
            padding: 40px 28px;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            color: #fff;
        }
        .city-hub-hero-content h1 {
            color: #fff;
            font-size: clamp(2rem, 4.5vw, 3rem);
        }
        .city-quick-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 10px;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .city-quick-bar span {
            background: rgba(255, 255, 255, 0.18);
            padding: 6px 14px;
            border-radius: 20px;
            backdrop-filter: blur(6px);
        }
        /* 子导航 */
        .city-subnav {
            position: sticky;
            top: var(--header-height);
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 8px var(--color-shadow);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .city-subnav-inner {
            display: flex;
            gap: 0;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
        }
        .city-subnav a {
            display: inline-block;
            padding: 14px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-bottom: 3px solid transparent;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .city-subnav a:hover,
        .city-subnav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
        }
        /* 子版块 */
        .city-section {
            padding: 50px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .city-section:last-child {
            border-bottom: none;
        }
        .city-section .section-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .city-section h2 {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .city-section h2 .section-icon {
            font-size: 1.6rem;
        }
        /* 酒店推荐卡片 */
        .hotel-card {
            display: flex;
            gap: 16px;
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 2px 8px var(--color-shadow);
            transition: all var(--transition);
            margin-bottom: 16px;
        }
        .hotel-card:hover {
            box-shadow: 0 8px 20px var(--color-shadow-md);
        }
        .hotel-card .hotel-img {
            width: 200px;
            flex-shrink: 0;
            aspect-ratio: 4/3;
            object-fit: cover;
            background: #e0dcd5;
        }
        .hotel-card .hotel-info {
            padding: 16px;
            flex: 1;
        }
        .hotel-card .hotel-stars {
            color: var(--color-gold);
            font-size: 0.9rem;
        }
        .hotel-card .hotel-price {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-top: 8px;
        }
        @media (max-width: 600px) {
            .hotel-card {
                flex-direction: column;
            }
            .hotel-card .hotel-img {
                width: 100%;
                aspect-ratio: 16/9;
            }
        }
        /* FAQ手风琴 */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            box-shadow: 0 1px 4px var(--color-shadow);
            overflow: hidden;
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background var(--transition-fast);
            font-size: 0.95rem;
        }
        .faq-question:hover {
            background: #fafaf8;
        }
        .faq-answer {
            padding: 0 20px 18px;
            display: none;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--color-primary);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.7rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        /* ========== 行程/产品转化页 ========== */
        .itinerary-hero {
            background: linear-gradient(160deg, #1a3f4a 0%, #0d2a33 100%);
            color: #fff;
            padding: 60px 28px;
            text-align: center;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }
        .itinerary-hero h1 {
            color: #fff;
        }
        .itinerary-hero .itin-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 14px;
            font-size: 0.95rem;
            opacity: 0.85;
        }
        .price-highlight {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 20px 0;
        }
        .itin-timeline {
            position: relative;
            padding-left: 32px;
            border-left: 3px solid var(--color-border);
            margin: 30px 0;
        }
        .itin-day {
            position: relative;
            margin-bottom: 24px;
            padding-left: 16px;
        }
        .itin-day::before {
            content: '';
            position: absolute;
            left: -41px;
            top: 5px;
            width: 14px;
            height: 14px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
        }
        .itin-day h4 {
            font-family: var(--font-family);
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .booking-cta-sticky {
            position: sticky;
            bottom: 16px;
            z-index: 50;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 18px 24px;
            box-shadow: 0 8px 30px var(--color-shadow-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            max-width: 600px;
            margin: 30px auto;
        }
        .booking-cta-sticky .cta-price {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
        }

        /* ========== 工具页 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }
        .tool-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 2px 10px var(--color-shadow);
            transition: all var(--transition);
        }
        .tool-panel:hover {
            box-shadow: 0 8px 24px var(--color-shadow-md);
        }
        .tool-panel h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            font-family: var(--font-family);
        }
        .tool-panel .tool-icon-lg {
            font-size: 2rem;
        }
        /* 简易汇率转换器 */
        .currency-converter {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .currency-converter input,
        .currency-converter select {
            padding: 10px 14px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            outline: none;
            font-family: var(--font-family);
            transition: border-color var(--transition-fast);
        }
        .currency-converter input:focus,
        .currency-converter select:focus {
            border-color: var(--color-primary);
        }
        .currency-converter .result {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            min-width: 100px;
        }

        /* ========== 攻略文章详情 ========== */
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 36px;
            max-width: var(--max-width);
            margin: 40px auto;
            padding: 0 28px;
        }
        @media (max-width: 900px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: 0 2px 8px var(--color-shadow);
        }
        .article-main .article-featured-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin: -32px -32px 24px;
        }
        .article-main .article-featured-img img {
            width: 100%;
            aspect-ratio: 21/9;
            object-fit: cover;
        }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: 0 2px 8px var(--color-shadow);
        }
        .sidebar-widget h4 {
            font-family: var(--font-family);
            margin-bottom: 12px;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            color: var(--color-text-muted);
        }
        .toc-list a {
            display: block;
            padding: 6px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid var(--color-border-light);
            transition: color var(--transition-fast);
        }
        .toc-list a:hover {
            color: var(--color-accent);
        }

        /* ========== 动画 & 辅助 ========== */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-30 {
            margin-top: 30px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .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;
        }

        /* --- 打印样式 --- */
        @media print {
            .site-header,
            .site-footer,
            .city-subnav,
            .booking-cta-sticky,
            .mobile-menu-toggle,
            .mobile-overlay {
                display: none !important;
            }
            body {
                background: #fff;
                color: #000;
            }
        }
        /* ========== 下拉菜单样式 ========== */
.main-nav {
    position: relative;
}

/* 让菜单项可以相对定位，以便子菜单绝对定位 */
.main-nav .menu-item {
    position: relative;
}

/* 隐藏子菜单 */
.main-nav .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    padding: 8px 0;
    z-index: 999;
    flex-direction: column;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* 悬停父级菜单项时显示子菜单 */
.main-nav .menu-item:hover > .sub-menu {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

/* 子菜单中的链接样式 */
.main-nav .sub-menu a {
    display: block;
    padding: 10px 20px;
    white-space: nowrap;
    border-radius: 0;
    color: var(--color-text);
    font-weight: 400;
    font-size: 0.9rem;
}

.main-nav .sub-menu a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* 支持多级菜单（次级） */
.main-nav .sub-menu .sub-menu {
    left: 100%;
    top: 0;
}

/* 移动设备适配：点击展开（需要配合 JS，简单做法是移动端隐藏下拉，用点击事件） */
@media (max-width: 960px) {
    .main-nav .sub-menu {
        position: static;
        display: none;
        box-shadow: none;
        padding-left: 20px;
        opacity: 1;
        transform: none;
        background: transparent;
    }
    .main-nav .menu-item.active > .sub-menu {
        display: block; /* 由 JS 控制 */
    }
}
/* ... 所有样式规则 ... */