/* 本地托管的 Google Fonts：消除页面运行时对境外字体服务的依赖。 */
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 300 600;
    font-display: swap;
    src: url('../fonts/cormorant-garamond-latin.woff2') format('woff2');
}

@font-face {
    font-family: 'Cormorant Garamond';
    font-style: italic;
    font-weight: 400 500;
    font-display: swap;
    src: url('../fonts/cormorant-garamond-latin-italic.woff2') format('woff2');
}

@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 300 600;
    font-display: swap;
    src: url('../fonts/montserrat-latin.woff2') format('woff2');
}

:root {
            --bg-base: #F5F4F0;       /* 宣纸/米白背景 */
            --bg-alt: #EBE9E1;        /* 辅助灰白背景 */
            --bg-dark: #3A3532;       /* 深棕/黑背景 */
            --text-main: #2A2A2A;     /* 主文字色 */
            --text-light: #F5F4F0;    /* 深色背景上的文字 */
            --accent-blue: #314A5C;   /* 品牌黛蓝色 */
            --accent-green: #52614E;  /* 品牌草绿色 */
            --border-color: #D3D0C8;
            --nav-height: 120px;      /* 预留充足的导航栏高度以容纳原尺寸Logo */
        }

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

        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: 'Montserrat', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            overflow: hidden; /* 核心：禁止全局滚动，交由视图容器独立处理 */
        }

        h1, h2, h3, h4, h5, .serif {
            font-family: 'Cormorant Garamond', 'Songti SC', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            font-weight: 500;
        }

        /* ==========================================================================
           1. 基础页面切换容器 (SPA核心控制台 - 彻底修复切换与丢失问题)
           ========================================================================== */
        .view-container {
            display: none; /* 默认隐藏所有视图 */
            position: absolute;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            overflow-y: auto;   /* 视图内部独立滚动 */
            overflow-x: hidden;
            scroll-behavior: smooth;
            box-sizing: border-box;
            background-color: var(--bg-base);
            z-index: 1;
        }

        /* 核心切换逻辑：只有带 active 的视图才会显示 */
        .view-container.active {
            display: block !important;
            z-index: 10;
        }

        /* 统一给非首屏全屏的设计留出导航栏高度 */
        .page-padding {
            padding-top: var(--nav-height);
        }

        /* ==========================================================================
           2. 全全新高级导航栏 (Navbar)
           ========================================================================== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            padding: 0 6vw;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 9999;
            background: linear-gradient(to bottom, rgba(245,244,240,1) 60%, rgba(245,244,240,0) 100%);
            pointer-events: none;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 20px;
            pointer-events: auto;
        }
        
        .logo-img-placeholder {
            width: 150px;  
            height: 150px; 
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border: none; 
            background-color: transparent; 
        }

        .logo-image {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .button-icon {
            flex: 0 0 auto;
        }

        .logo-text-group {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .logo-title {
            font-size: 1.5rem;
            letter-spacing: 5px;
            font-weight: 600;
            color: var(--text-main);
            text-transform: uppercase;
            line-height: 1.2;
        }

        .logo-subtitle {
            font-size: 0.9rem;
            letter-spacing: 2px;
            color: var(--accent-blue);
            margin-top: 2px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 35px;
            pointer-events: auto;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 28px;
            pointer-events: auto;
        }

        .language-switcher { position: relative; font-family: 'Montserrat', sans-serif; color: var(--accent-blue); }
        .language-desktop summary {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 72px;
            min-height: 36px;
            padding: 0 12px;
            border: 1px solid var(--accent-blue);
            background: rgba(245, 244, 240, .72);
            cursor: pointer;
            font-size: 0.74rem;
            font-weight: 500;
            letter-spacing: 1.2px;
            list-style: none;
            transition: background-color .2s ease, color .2s ease;
        }
        .language-desktop summary::-webkit-details-marker { display: none; }
        .language-desktop summary:hover, .language-desktop[open] summary { background: rgba(49, 74, 92, .09); color: var(--accent-blue); }
        .language-icon { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
        .language-desktop ul {
            position: absolute;
            top: calc(100% + 12px);
            left: 0;
            min-width: 154px;
            margin: 0;
            padding: 7px;
            list-style: none;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            box-shadow: 0 14px 28px rgba(42, 42, 42, .12);
        }
        .language-desktop a, .language-desktop .language-current { display: block; padding: 10px 11px; color: var(--accent-blue); font-size: .76rem; font-weight: 500; letter-spacing: .02em; line-height: 1.25; text-decoration: none; white-space: nowrap; }
        .language-desktop a:hover, .language-desktop a:focus-visible { background: rgba(49, 74, 92, .08); outline: none; }
        .language-desktop .language-current { background: rgba(49, 74, 92, .08); font-weight: 600; }
        .language-mobile { display: none; }

        :lang(zh-CN) body { font-family: 'Noto Sans SC', 'Source Han Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif; line-height: 1.8; }
        :lang(zh-CN) .serif { font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', STSong, SimSun, serif; }
        :lang(zh-CN) .nav-links button { text-transform: none; letter-spacing: .06em; }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            padding: 10px;
            border: 0;
            background: transparent;
            color: var(--accent-blue);
            cursor: pointer;
            pointer-events: auto;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }

        .menu-toggle span {
            display: block;
            width: 23px;
            height: 1.5px;
            background: currentColor;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .navbar.menu-open .menu-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
        .navbar.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
        .navbar.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

        .nav-links button {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--accent-blue);
            font-family: 'Montserrat', sans-serif;
            font-size: 0.8rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-links button.nav-text {
            padding-bottom: 4px;
        }

        .nav-links button.nav-text::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background-color: var(--text-main);
            transition: width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
        }

        .nav-links button.nav-text:hover::after,
        .nav-links button.nav-text.active::after { width: 100%; }

        .nav-links button.nav-highlight {
            padding: 10px 22px;
            border: 1px solid var(--accent-blue);
            font-weight: 600;
        }

        .nav-links button.nav-highlight:hover,
        .nav-links button.nav-highlight.active {
            background-color: var(--accent-blue);
            color: var(--bg-base);
        }

        /* ==========================================================================
           3. 模块通用排版组件
           ========================================================================== */
        .section {
            min-height: 100vh;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 80px 10vw;
        }

        .content-wrapper {
            max-width: 1200px;
            width: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            z-index: 2;
        }

        .tag-number { font-size: 1.2rem; color: var(--accent-blue); margin-bottom: 20px; letter-spacing: 1px; }
        .section-title { font-size: 3rem; line-height: 1.2; color: var(--accent-blue); margin-bottom: 40px; text-transform: uppercase; letter-spacing: 2px; }
        .section-desc { font-size: 1.1rem; font-weight: 300; max-width: 800px; margin-bottom: 30px; }
        .highlight-text { border-left: 2px solid var(--accent-blue); padding-left: 30px; font-style: italic; font-size: 1.2rem; color: #555; margin: 30px 0; }
        
        /* 纯净的通用图片铺满设置，绝不漏出任何灰色边框 */
        .image-placeholder { 
            width: 100% !important; 
            height: 100% !important; 
            object-fit: cover !important; 
            display: block; 
            background-color: transparent !important;
        }

        /* 关于我们页面的第一屏排版 */
        .hero-section { overflow: hidden; text-align: center; isolation: isolate; background: #F3F0E9; }
        .hero-magic-rings { position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
        .hero-magic-rings canvas { display: block; width: 100%; height: 100%; position: absolute; inset: 0; z-index: 1; }
        .hero-section .content-wrapper { position: relative; z-index: 2; }
        .hero-section .hero-slogan { color: #314A5C; }
        .hero-section .hero-sub { color: #77704F; }
        .hero-slogan { font-size: 4.5rem; line-height: 1.2; color: var(--accent-blue); margin-bottom: 25px; }
        .hero-sub { font-size: 1.8rem; letter-spacing: 4px; color: var(--accent-green); }

        /* ==========================================================================
           4. 精准图文分栏规则（完美解决：首页保留左右高挑竖图，关于我们呈现极扁电影横图）
           ========================================================================== */
        
        /* [规则 A：默认全局情况] 针对首页主屏幕，强制恢复 600x800 精致左右对称竖图 */
        .split-layout { 
            display: flex !important; 
            flex-direction: row !important; 
            align-items: center !important; 
            gap: 80px !important; 
        }
        
        .split-content { 
            flex: 1 !important; 
            width: auto !important; 
        }
        
        .split-image { 
            flex: 1 !important; 
            height: 60vh !important; 
            max-height: 800px !important; 
            aspect-ratio: 3 / 4 !important; /* 强制限定为 600x800 竖图纵横比 */
            position: relative; 
            overflow: hidden; 
            background-color: transparent !important; 
        }
        
        .split-image img { 
            width: 100% !important; 
            height: 100% !important; 
            object-fit: cover !important; 
            object-position: center; 
        }

        /* ==========================================================================
           [规则 B：关于我们页面的高级无边框电影画幅]
           ========================================================================== */
        
        #view-about .split-layout { 
            flex-direction: column !important; 
            align-items: center !important; 
            padding-bottom: 40px !important; 
        }
        
        #view-about .split-content { 
            width: 100% !important; 
            max-width: 850px !important; 
        }
        
        #view-about .split-image { 
            flex: 0 0 auto !important; 
            width: 100% !important; 
            max-width: 850px !important;    /* 保持原本合适的宽度 */
            aspect-ratio: 3 / 1 !important; /* 核心修改：改为 3:1，高度大幅压缩变扁 */
            height: auto !important; 
            max-height: 280px !important;   /* 双重保险：限制绝对高度不超280像素 */
            margin: 0 auto 50px auto !important; 
            background-color: transparent !important;
            border: none !important;        
            box-shadow: none !important;    
            
            /* 保持你喜欢的融化渐变 */
            -webkit-mask-image: linear-gradient(to right, transparent 0%, black 15%, black 85%, transparent 100%);
            mask-image: linear-gradient(to right, transparent 0%, black 15%, black 85%, transparent 100%);
        }

        /* 其他传统区块辅助结构定义 */
        .path-diagram { display: flex; justify-content: center; align-items: center; margin-top: 50px; padding: 40px; border: 1px dashed var(--accent-blue); background: rgba(255,255,255,0.3); text-align: center; }
        .path-diagram p { font-size: 1.2rem; font-style: italic; color: var(--accent-blue); }
        .grid-layout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 50px; }
        .grid-card { background: #fff; padding: 40px 30px; border: 1px solid var(--border-color); transition: transform 0.3s ease; }
        .grid-card:hover { transform: translateY(-10px); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
        .grid-card-img { width: 100%; height: 200px; background: transparent; margin-bottom: 30px; position: relative; overflow: hidden; }
        .team-section { background-color: var(--bg-dark); color: var(--text-light); }
        .team-section .section-title, .team-section .tag-number { color: #D3CDBF; }
        .team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 60px; }
        .team-member h3 { font-size: 2.5rem; color: #D3CDBF; margin-bottom: 10px; }
        .team-member .role { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 2px; color: #999; margin-bottom: 20px; display: block; }
        .team-member p { font-size: 1rem; font-weight: 300; opacity: 0.9; }
        .site-footer { width: 100%; padding: 40px 20px; background: var(--bg-dark); color: #8f8b85; font-size: 0.8rem; line-height: 1.5; text-align: center; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 22px; }
        .site-footer-contact { appearance: none; padding: 0; border: 0; background: transparent; color: inherit; font: inherit; cursor: pointer; }
        .icp-record { color: inherit; text-decoration: none; white-space: nowrap; }
        .site-footer-contact:hover, .icp-record:hover { color: var(--text-light); text-decoration: underline; text-underline-offset: 3px; }
        .site-footer-contact:focus-visible, .icp-record:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }

        /* 国际化获客模块样式 */
        .hero-banner { width: 100%; height: 75vh; margin-bottom: 80px; position: relative; background-color: var(--bg-dark); display: flex; align-items: center; justify-content: center; }
        .hero-banner img { width: 100% !important; height: 100% !important; object-fit: cover !important; }
        .hero-banner-text { position: absolute; text-align: center; color: var(--text-light); z-index: 2; padding: 0 20px; }
        .hero-banner-text h1 { font-size: 4rem; letter-spacing: 5px; margin-bottom: 15px; }
        .hero-title-main, .hero-title-country { display: inline; }
        .hero-banner-text p { font-size: 1.2rem; letter-spacing: 2px; font-weight: 300; }
        .conversion-section { background-color: var(--bg-dark); color: var(--text-light); padding: 100px 10vw; text-align: center; margin-top: 60px; }
        .conversion-section .section-title { color: var(--text-light); font-size: 2.8rem; }
        .btn-group { display: flex; justify-content: center; gap: 30px; margin-top: 50px; flex-wrap: wrap; }
        .btn { padding: 18px 40px; font-size: 0.9rem; font-family: 'Montserrat', sans-serif; text-transform: uppercase; letter-spacing: 2px; cursor: pointer; transition: all 0.3s ease; text-decoration: none; display: inline-block; font-weight: 500;}
        .btn-primary { background-color: var(--accent-blue); color: #fff; border: 1px solid var(--accent-blue); }
        .btn-primary:hover { background-color: #fff; color: var(--accent-blue); }
        .btn-secondary { background-color: transparent; color: #fff; border: 1px solid #fff; }
        .btn-secondary:hover { background-color: #fff; color: var(--bg-dark); }

        /* 多渠道联系弹窗 */
        .contact-modal[hidden] { display: none; }
        .contact-modal {
            position: fixed;
            inset: 0;
            z-index: 12000;
            display: grid;
            place-items: center;
            padding: 24px;
            background-color: rgba(36, 33, 31, 0.78);
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
        }
        .contact-dialog {
            position: relative;
            width: min(1080px, 100%);
            max-height: calc(100dvh - 48px);
            overflow-y: auto;
            padding: 52px 54px 44px;
            background: var(--bg-base);
            color: var(--text-main);
            border: 1px solid rgba(211, 208, 200, 0.9);
            box-shadow: 0 28px 80px rgba(22, 20, 19, 0.3);
            opacity: 0;
            transform: translateY(18px);
            transition: opacity 0.22s ease, transform 0.22s ease;
        }
        .contact-modal.is-open .contact-dialog { opacity: 1; transform: translateY(0); }
        .contact-modal-close {
            position: absolute;
            top: 20px;
            right: 24px;
            padding: 7px 0;
            border: 0;
            border-bottom: 1px solid transparent;
            background: transparent;
            color: var(--accent-blue);
            font: 500 0.68rem/1.2 'Montserrat', sans-serif;
            letter-spacing: 2px;
            text-transform: uppercase;
            cursor: pointer;
        }
        .contact-modal-close:hover { border-bottom-color: currentColor; }
        .contact-modal-close:focus-visible,
        .contact-email-row button:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 4px; }
        .contact-modal-header { max-width: 650px; margin: 0 auto 38px; text-align: center; }
        .contact-modal-kicker {
            margin-bottom: 8px;
            color: var(--accent-green);
            font-size: 0.72rem;
            font-weight: 500;
            letter-spacing: 3px;
            text-transform: uppercase;
        }
        .contact-modal-header h2 {
            margin-bottom: 10px;
            color: var(--accent-blue);
            font-size: clamp(2.35rem, 4vw, 3.35rem);
            line-height: 1.05;
        }
        .contact-modal-header > p:last-child { color: #666; font-size: 0.92rem; line-height: 1.65; }
        .contact-channel-grid {
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            gap: 22px;
        }
        .contact-channel { min-width: 0; text-align: center; }
        .contact-qr {
            aspect-ratio: 1;
            padding: 10px;
            display: grid;
            place-items: center;
            background: #fff;
            border: 1px solid var(--border-color);
        }
        .contact-qr img { display: block; width: 100%; height: 100%; object-fit: contain; }
        .contact-channel figcaption {
            margin-top: 13px;
            color: var(--accent-blue);
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 1.6px;
            text-transform: uppercase;
        }
        .contact-email-block {
            margin-top: 38px;
            padding-top: 26px;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }
        .contact-email-block > p {
            margin-bottom: 10px;
            color: #777;
            font-size: 0.7rem;
            letter-spacing: 2.4px;
            text-transform: uppercase;
        }
        .contact-email-row { display: flex; align-items: center; justify-content: center; gap: 18px; }
        .contact-email-address {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--accent-blue);
            font-size: 1rem;
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .contact-email-address img { display: block; flex: 0 0 auto; }
        .contact-email-row button {
            padding: 9px 15px;
            border: 1px solid var(--accent-blue);
            background: transparent;
            color: var(--accent-blue);
            font: 500 0.66rem/1.2 'Montserrat', sans-serif;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            cursor: pointer;
        }
        .contact-email-row button:not(:disabled):hover { background: var(--accent-blue); color: #fff; }
        .contact-email-row button:disabled {
            border-color: var(--accent-green);
            background: var(--accent-green);
            color: #fff;
            cursor: default;
        }
        body.contact-modal-open .view-container.active { overflow: hidden; }
        
        /* ==========================================================================
           5. 全新画廊模块样式 (严格锁定 4:3 比例与卷宗分页)
           ========================================================================== */
        .gallery-theme { margin-bottom: 100px; }
        .gallery-theme-title { font-size: 2.2rem; color: var(--accent-blue); margin-bottom: 10px; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; letter-spacing: 2px; text-transform: uppercase; }
        .gallery-theme-desc { font-size: 1rem; color: #666; margin-bottom: 50px; font-style: italic; font-weight: 300; }
        .gallery-page { margin-bottom: 70px; }
        .gallery-page-indicator { font-size: 0.85rem; letter-spacing: 3px; color: var(--accent-green); margin-bottom: 30px; text-transform: uppercase; display: flex; align-items: center; gap: 20px; font-family: 'Montserrat', sans-serif; font-weight: 500; }
        .gallery-page-indicator::after { content: ''; flex: 1; height: 1px; background-color: var(--border-color); }
        .gallery-grid-4x3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .gallery-item-4x3 { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background-color: transparent; cursor: pointer; }
        .gallery-item-4x3 .image-placeholder { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
        .gallery-item-4x3:hover .image-placeholder { transform: scale(1.05); }
        .gallery-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(49, 74, 92, 0.2); opacity: 0; transition: opacity 0.4s ease; }
        .gallery-item-4x3:hover .gallery-overlay { opacity: 1; }
        .gallery-item-4x3:focus-visible { outline: 3px solid var(--accent-blue); outline-offset: 4px; }

        body.lightbox-open { overflow: hidden; }
        .image-lightbox {
            position: fixed;
            z-index: 1100;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 48px;
            background: rgba(18, 23, 27, 0.92);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.2s ease, visibility 0.2s ease;
        }
        .image-lightbox.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
        .image-lightbox img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35); }
        .image-lightbox-close {
            position: absolute;
            top: 16px;
            right: 20px;
            width: 44px;
            height: 44px;
            border: 0;
            background: transparent;
            color: #fff;
            font-size: 2.3rem;
            line-height: 1;
            cursor: pointer;
        }
        .image-lightbox-close:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

        /* 平板与移动端响应式布局 */
        @media (max-width: 1024px) {
            :root { --nav-height: 84px; }

            .navbar {
                padding: 0 5vw;
                background: rgba(245, 244, 240, 0.96);
                border-bottom: 1px solid rgba(49, 74, 92, 0.1);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }

            .logo-container { gap: 14px; }
            .logo-img-placeholder { width: 52px; height: 52px; }
            .logo-title { font-size: 1.08rem; letter-spacing: 4px; }
            .logo-subtitle { font-size: 0.72rem; letter-spacing: 1.8px; }
            .menu-toggle { display: flex; margin-left: auto; }
            .nav-actions { margin-left: 0; gap: 12px; }
            .language-switcher { display: block; width: 100%; margin-top: 16px; padding: 15px 16px 14px; background: var(--bg-alt); }
            .language-desktop { display: none; }
            .language-mobile { display: block; }
            .language-mobile p { margin: 0 0 10px; color: var(--accent-blue); font-size: .7rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
            .language-mobile ul { display: flex; gap: 0; margin: 0; padding: 0; list-style: none; }
            .language-mobile li { flex: 1 1 0; min-width: 0; }
            .language-mobile a, .language-mobile .language-current { display: block; padding: 8px 7px; color: var(--accent-blue); font-size: .75rem; font-weight: 500; letter-spacing: .01em; line-height: 1.3; text-align: center; text-decoration: none; white-space: nowrap; }
            .language-mobile li + li { border-left: 1px solid rgba(49, 74, 92, .18); }
            .language-mobile a:hover, .language-mobile a:focus-visible { background: rgba(49, 74, 92, .09); outline: none; }
            .language-mobile .language-current { color: var(--text-main); font-weight: 700; }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 10px 5vw 24px;
                background: rgba(245, 244, 240, 0.98);
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 18px 30px rgba(42, 42, 42, 0.08);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                pointer-events: none;
                transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
            }

            .navbar.menu-open .nav-links {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
                pointer-events: auto;
            }

            .nav-links button,
            .nav-links button.nav-highlight {
                width: 100%;
                min-height: 48px;
                padding: 14px 0;
                text-align: left;
                border: 0;
                border-bottom: 1px solid rgba(49, 74, 92, 0.12);
                font-size: 0.78rem;
                font-weight: 500;
                line-height: 1.5;
            }

            .nav-links button.nav-highlight,
            .nav-links button.nav-highlight:hover,
            .nav-links button.nav-highlight.active {
                background: transparent;
                color: var(--accent-blue);
            }

            .nav-links button.active { font-weight: 700; }
            .nav-links button.nav-text::after { display: none; }

            .section {
                width: 100%;
                height: auto;
                min-height: auto;
                padding: 96px 6vw;
            }

            #view-about { padding-top: var(--nav-height); }
            #view-about .hero-section { min-height: calc(100svh - var(--nav-height)); }
            .split-layout { flex-direction: column !important; gap: 48px !important; }
            .split-content { width: 100% !important; }
            .split-image {
                width: 100% !important;
                height: auto !important;
                max-height: none !important;
                aspect-ratio: 4 / 3 !important;
            }
            .view-container#view-about .split-image {
                width: 100% !important;
                height: auto !important;
                max-height: none !important;
                aspect-ratio: 16 / 9 !important;
                margin-bottom: 20px !important;
            }

            .grid-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
            .team-grid { grid-template-columns: 1fr; gap: 48px; }
            .hero-slogan { font-size: clamp(2.6rem, 7vw, 3.6rem); }
            .hero-banner { height: 72svh; min-height: 620px; margin-bottom: 0; }
            .hero-banner-text { width: min(90%, 760px); padding: 0; }
            .hero-banner-text h1 { font-size: clamp(3rem, 7vw, 4rem); letter-spacing: 3px; line-height: 1.08; }
            .hero-banner-text p { max-width: 680px; margin: 0 auto; line-height: 1.7; }
            .conversion-section { padding: 88px 6vw; margin-top: 0; }
            .gallery-grid-4x3 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .contact-dialog { width: min(760px, 100%); padding: 50px 38px 40px; }
            .contact-channel-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
            .contact-channel:nth-child(4) { grid-column: 1 / 2; }
            .contact-channel:nth-child(5) { grid-column: 2 / 3; }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 76px; }

            .navbar { padding: 0 18px; }
            .logo-container { gap: 10px; }
            .logo-img-placeholder { width: 44px; height: 44px; }
            .logo-title { font-size: 0.96rem; letter-spacing: 3px; }
            .logo-subtitle { font-size: 0.66rem; letter-spacing: 1.5px; }
            .nav-links { padding: 8px 20px 20px; }
            .language-switcher { margin-top: 14px; padding: 14px 12px 12px; }
            .language-mobile a, .language-mobile .language-current { padding: 8px 4px; font-size: .7rem; }

            .hero-banner {
                height: 82svh;
                min-height: 600px;
                max-height: 760px;
            }
            .hero-banner img { object-position: 45% center !important; }
            .hero-banner-text { width: calc(100% - 40px); }
            .hero-banner-text h1 {
                font-size: clamp(2.25rem, 10vw, 2.75rem);
                letter-spacing: 1px;
                line-height: 1.08;
                margin-bottom: 24px;
            }
            .hero-title-main, .hero-title-country { display: block; }
            .hero-title-main { white-space: nowrap; }
            .hero-title-country { margin-top: 10px; }
            .hero-banner-text p {
                max-width: 340px;
                font-size: 0.95rem;
                line-height: 1.75;
                letter-spacing: 0.7px;
            }

            .section { padding: 72px 20px; }
            #view-tour > .section:first-of-type { padding-top: 64px !important; }
            .section-title {
                font-size: clamp(2rem, 9vw, 2.65rem);
                line-height: 1.12;
                letter-spacing: 1px;
                margin-bottom: 28px;
                overflow-wrap: anywhere;
            }
            .section-desc { font-size: 1rem; line-height: 1.75; margin-bottom: 22px; }
            .tag-number { font-size: 1rem; margin-bottom: 14px; }
            .highlight-text { padding-left: 20px; margin: 24px 0; font-size: 1.05rem; }
            .hero-slogan { font-size: clamp(2.35rem, 11vw, 3rem); }
            .hero-sub { font-size: 1.2rem; letter-spacing: 2px; }

            .split-layout { gap: 32px !important; }
            .split-image { aspect-ratio: 4 / 3 !important; }
            .view-container#view-about .split-image { aspect-ratio: 16 / 9 !important; }
            .grid-layout, .team-grid { grid-template-columns: 1fr; }
            .grid-layout { gap: 20px; margin-top: 32px; }
            .grid-card { padding: 28px 22px; }
            .grid-card:hover { transform: none; }
            .grid-card-img { height: auto; aspect-ratio: 4 / 3; margin-bottom: 22px; }
            .team-grid { gap: 40px; margin-top: 36px; }
            .team-member h3 { font-size: 2.1rem; }
            .site-footer { min-height: 0; padding: 28px 20px; flex-direction: column; gap: 8px; }

            .path-diagram { margin-top: 32px; padding: 24px 12px; }
            .path-diagram p { font-size: 0.95rem; line-height: 1.8; }
            .conversion-section { padding: 72px 20px; }
            .conversion-section .section-title { font-size: clamp(2rem, 9vw, 2.55rem); }
            .btn-group { flex-direction: column; gap: 16px; margin-top: 36px; }
            .btn { width: 100%; padding: 16px 20px; line-height: 1.5; }
            .btn-group .btn { justify-content: center; }

            .gallery-grid-4x3 { grid-template-columns: 1fr; gap: 20px; }
            .gallery-theme { margin-bottom: 64px; }
            .gallery-theme-title { font-size: 1.65rem; line-height: 1.2; letter-spacing: 1px; overflow-wrap: anywhere; }
            .gallery-theme-desc { margin-bottom: 32px; }
            .gallery-page { margin-bottom: 44px; }
            .gallery-page-indicator { font-size: 0.75rem; letter-spacing: 2px; gap: 12px; margin-bottom: 20px; }
            .image-lightbox { padding: 28px 16px; }
            .image-lightbox-close { top: 8px; right: 8px; }
            .contact-modal { align-items: end; padding: 0; }
            .contact-dialog {
                width: 100%;
                max-height: 92dvh;
                padding: 50px 20px 30px;
                border-width: 1px 0 0;
                box-shadow: 0 -20px 60px rgba(22, 20, 19, 0.26);
            }
            .contact-modal-close { top: 16px; right: 20px; }
            .contact-modal-header { margin-bottom: 28px; padding: 0 14px; }
            .contact-modal-header h2 { font-size: 2.4rem; }
            .contact-modal-header > p:last-child { font-size: 0.85rem; }
            .contact-channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; }
            .contact-channel:nth-child(4) { grid-column: auto; }
            .contact-channel:nth-child(5) { grid-column: 1 / -1; width: calc(50% - 8px); justify-self: center; }
            .contact-channel figcaption { margin-top: 10px; font-size: 0.66rem; letter-spacing: 1.2px; }
            .contact-email-block { margin-top: 30px; padding-top: 22px; }
            .contact-email-row { flex-direction: column; gap: 12px; }
        }

        @media (max-width: 390px) {
            .logo-title { font-size: 0.88rem; letter-spacing: 2.4px; }
            .logo-subtitle { font-size: 0.62rem; letter-spacing: 1.2px; }
            .hero-banner-text h1 { font-size: 2.2rem; }
            .hero-banner-text p { font-size: 0.9rem; }
            .section { padding-left: 18px; padding-right: 18px; }
        }

        @media (max-height: 560px) and (orientation: landscape) {
            :root { --nav-height: 64px; }
            .hero-banner { height: 100svh; min-height: 420px; }
            .hero-banner-text h1 { font-size: 2.4rem; margin-bottom: 12px; }
            .hero-banner-text p { font-size: 0.85rem; }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
            .fade-up { opacity: 1; transform: none; }
        }
        
        /* 全局流畅淡入淡出动画渲染 */
        .fade-up { opacity: 0; transform: translateY(40px); transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1); }
        .fade-up.visible { opacity: 1; transform: translateY(0); }