/* @font-face removed */

:root {
    /* 鏍稿績鑹插僵 - 娴呰壊妯″紡 */
    --primary-color: #2780bb;
    --primary-hover: #005ea6;
    --bg-color: #ffffff;
    --bg-secondary: #f5f7fa;
    --text-main: #1d2129;
    --text-secondary: #86909c;
    --border-color: #e5e6eb;
    --card-bg: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.95);
    
    /* 鍏ㄥ眬杩囨浮閰嶇疆 */
    --transition-speed: 0.5s;
    --transition-func: cubic-bezier(0.4, 0, 0.2, 1);
    --theme-transition: all var(--transition-speed) var(--transition-func);
}

/* 婊氬姩鏉℃牱寮忎紭鍖?*/
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] {
    /* 鏍稿績鑹插僵 - 娣辫壊妯″紡 */
    --primary-color: #2780bb;
    --primary-hover: #409eff;
    --bg-color: #121212;
    --bg-secondary: #1e1e1e;
    --text-main: #f5f5f5;
    --text-secondary: #9e9e9e;
    --border-color: #333333;
    --card-bg: #1e1e1e;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.5);
    --nav-bg-scrolled: rgba(18, 18, 18, 0.95);
}

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

body {
    font-family: 'Inter', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    cursor: default;
}

/* 鍏ㄥ眬骞虫粦杩囨浮閰嶇疆 */
body, .navbar, .footer, .card, .detail-hero, .section, .btn, .modal-container, a, .theme-toggle, .icon-box, .log-entry {
    transition: var(--theme-transition);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--theme-transition);
    cursor: pointer;
}

/* 杈呭姪棰滆壊绫?*/
.text-yellow-400 { color: #facc15; }

/* 涓婚鍒囨崲鎸夐挳鏍峰紡浼樺寲 */
.theme-toggle {
    background-color: transparent; /* 榛樿閫忔槑 */
    color: #64748b; /* slate-500 */
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1), color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 36px;
    height: 36px;
}
.theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05); /* 娴呰壊妯″紡 hover 娣℃贰鐨勭伆 */
}

/* 娣辫壊妯″紡涓嬬殑鎸夐挳鏍峰紡 */
[data-theme="dark"] .theme-toggle {
    background-color: transparent;
    color: #a3a3a3; /* neutral-400 */
}
[data-theme="dark"] .theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1); /* 娣辫壊妯″紡 hover 娣℃贰鐨勭櫧 */
}

button {
    cursor: pointer;
}

input, textarea, .selectable-text {
    cursor: text;
}

select, label {
    cursor: pointer;
}

ul {
    list-style: none;
}

/* 甯冨眬瀹瑰櫒 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 瀵艰埅鏍?*/
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    /* 浼樺寲杩囨浮灞炴€э紝闃叉绉诲姩绔棯鐑侊紝閬垮厤 transition: all */
    transition: padding 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    background-color: transparent;
    /* 寮€鍚‖浠跺姞閫熶互闃叉闂儊 */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0); 
}

.navbar.scrolled {
    background-color: var(--nav-bg-scrolled);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
    backdrop-filter: blur(10px);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0; /* 闃叉Logo琚帇缂?*/
}

/* 瀵艰埅閾炬帴瀹瑰櫒锛岃瀹冭嚜鍔ㄦ妸鍙宠竟鐨勫唴瀹规帹杩囧幓锛屾垨鑰呮牴鎹渶姹傝皟鏁?*/
/* 鐢ㄦ埛闇€姹傦細Tab闈犲彸銆備箣鍓嶆槸 flex gap: 32px 灞呬腑鎴栬€呰窡闅忔祦銆?
   瑕佽 Tab 闈犲彸鏄剧ず锛屽彲浠ュ皢 nav-links 鐨?margin-left 璁句负 auto锛?
   鎴栬€呭湪 nav-content 涓娇鐢?justify-content: flex-end 閰嶅悎 Logo 鐨勫竷灞€銆?
   鐩墠 nav-content 鏄?justify-between銆?
   logo 鍦ㄥ乏锛宯av-links 鍦ㄤ腑/鍙筹紝nav-right-actions 鍦ㄥ彸銆?
   濡傛灉甯屾湜 nav-links 闈犺繎鍙宠竟鐨?nav-right-actions锛屽彲浠ュ皢 margin-left: auto 鍔犵粰 nav-links銆?
*/

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    margin-left: auto; /* 闈犲彸瀵归綈 */
    margin-right: 32px; /* 涓庡彸渚ф寜閽繚鎸佽窛绂?*/
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-main);
    font-size: 20px;
    padding: 8px;
    border-radius: 50%;
    transition: var(--theme-transition);
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--theme-transition);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(39, 128, 187, 0.3);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* 鍥炬爣瀹瑰櫒 - 鐢ㄤ簬鏇挎崲 Emoji */
.icon-box {
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    background-color: transparent; /* Removed background color as we use img now */
    border-radius: 25%;
    vertical-align: middle;
    margin-right: 8px;
    position: relative;
    object-fit: contain;
}

.icon-box.large {
    width: 1.5em;
    height: 1.5em;
}

.icon-box.xlarge {
    width: 2em;
    height: 2em;
}

.icon-box.small {
    width: 1em;
    height: 1em;
    margin-right: 4px;
}

/* 棣栭〉鏍稿績浜у搧鍥炬爣鐗瑰ぇ鍙?*/
.card-icon .icon-box.large {
    width: 64px;
    height: 64px;
}

/* 涓嬫媺鑿滃崟 */
.product-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--card-bg);
    min-width: 160px;
    box-shadow: var(--shadow-hover);
    border-radius: 8px;
    z-index: 10001;
    padding: 8px 0;
    margin-top: 12px; /* 澧炲姞瑙嗚闂磋窛 */
    border: 1px solid var(--border-color);
    /* 娣诲姞涓€涓皬涓夎鎸囧紩璁捐 */
}

/* 涓嬫媺鑿滃崟椤堕儴灏忎笁瑙?*/
.dropdown-content::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent var(--card-bg) transparent;
    z-index: 1;
}

/* 闅愬舰妗ユ - 纭繚榧犳爣鎮仠涓嶄腑鏂?*/
.product-dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 12px; /* 瀵瑰簲 margin-top 鐨勯珮搴?*/
    background: transparent;
    z-index: 10000;
}

.product-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: var(--text-main);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
    white-space: nowrap;
    text-align: left;
    transition: background-color 0.2s;
}

.dropdown-content a:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

/* 瀵艰埅鏍忓彸渚ф搷浣滃尯 */
.nav-right-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 绉诲姩绔彍鍗曟寜閽?*/
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-main);
    cursor: pointer;
    vertical-align: middle;
}

/* Hero 鍖哄煙 */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-color) 100%);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 24px;
}

/* 閫氱敤鏉垮潡 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-main);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 64px;
    font-size: 16px;
}

/* 鍗＄墖缃戞牸 */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    transition: var(--theme-transition);
}

.card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.card-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* 椤佃剼 */
.footer {
    background-color: var(--bg-secondary);
    padding: 64px 0 32px;
    margin-top: 80px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links h4 {
    color: var(--text-main);
    margin-bottom: 24px;
    font-size: 16px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.copyright {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 13px;
}

/* 鍝嶅簲寮忛€傞厤 */
@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-sm);
        display: none;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .nav-links.active {
        display: flex;
    }
    
    /* 绉诲姩绔殣钘忔闈㈢鎵嶆樉绀虹殑鎸夐挳锛堝鏋滄湁鐨勮瘽锛?*/
    .nav-actions {
        display: none;
    }

    /* 绉诲姩绔樉绀鸿彍鍗曟寜閽?*/
    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 32px;
    }

    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        padding: 0 24px;
    }
    
    /* 椤佃剼绉诲姩绔紭鍖?*/
    .footer-content {
        flex-direction: column;
        gap: 0;
    }

    .footer-brand, .footer-links {
        width: 100%;
        margin-bottom: 32px;
    }
    
    .footer-brand h3, .footer-links h4 {
        margin-bottom: 16px;
    }

    /* 淇鍥剧墖鏄剧ず涓烘鏂瑰舰鐨勯棶棰?*/
    .product-img, .detail-img {
        height: auto;
        min-height: auto;
        object-fit: contain; /* 鎴栬€?cover锛岃鍏蜂綋鍥剧墖鑰屽畾锛屼絾鍦ㄧЩ鍔ㄧ auto height 鏇撮噸瑕?*/
    }
}

/* 杈呭姪绫?*/
.text-primary { color: var(--primary-color); }
.mt-4 { margin-top: 32px; }
.mb-4 { margin-bottom: 32px; }

/* 鍝嶅簲寮忔樉闅愭帶鍒?*/
.mobile-only-action {
    display: none;
}
.desktop-only-action {
    display: inline-block;
}
/* 鍦ㄧЩ鍔ㄧ鏌ヨ涓鐩?*/
@media (max-width: 768px) {
    .mobile-only-action {
        display: block;
    }
    .desktop-only-action {
        display: none !important;
    }
}

/* 鍔犺浇鍔ㄧ敾 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-secondary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 鍥炲埌椤堕儴 */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background-color: var(--bg-secondary);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* 鏍囩椤靛垏鎹?*/
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.tab-btn {
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 16px 8px;
    position: relative;
    transition: color 0.3s;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px 3px 0 0;
}

/* 绉诲姩绔?Tab 浼樺寲 */
@media (max-width: 768px) {
    .tabs-nav {
        gap: 12px;
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0 16px 8px; /* Add side padding and bottom space for scrollbar */
        mask-image: linear-gradient(to right, black 90%, transparent 100%); /* Fade out effect */
        -webkit-mask-image: linear-gradient(to right, black 90%, transparent 100%);
        /* Hide scrollbar */
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    
    .tabs-nav::-webkit-scrollbar {
        display: none;
    }
    
    .tab-btn {
        font-size: 15px;
        padding: 10px 12px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* 绉诲姩绔簩绾ц彍鍗曟柊鏍峰紡 (寮圭獥寮? */
    .mobile-product-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.6);
        z-index: 10005; /* 姣?Modal鏇撮珮鎴栧悓绾?*/
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        backdrop-filter: blur(8px);
        padding: 20px;
    }
    
    .mobile-product-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-product-menu {
        background-color: var(--card-bg);
        width: 100%;
        max-width: 320px;
        border-radius: 20px;
        padding: 24px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.3);
        transform: scale(0.9) translateY(20px);
        transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
        display: flex;
        flex-direction: column;
        gap: 16px;
        border: 1px solid var(--border-color);
    }
    
    .mobile-product-overlay.active .mobile-product-menu {
        transform: scale(1) translateY(0);
    }
    
    .mobile-submenu-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-main);
        text-align: center;
        margin-bottom: 8px;
    }
    
    .mobile-product-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 16px;
        background-color: var(--bg-secondary);
        border-radius: 12px;
        text-decoration: none;
        color: var(--text-main);
        transition: transform 0.2s, background-color 0.2s;
        border: 1px solid transparent;
    }
    
    .mobile-product-item:active {
        transform: scale(0.98);
        background-color: var(--bg-color);
    }

    [data-theme="dark"] .mobile-product-item {
        border-color: var(--border-color);
    }
    
    .mobile-product-item img {
        width: 32px;
        height: 32px;
        border-radius: 8px;
    }
    
    .mobile-product-info {
        display: flex;
        flex-direction: column;
    }
    
    .mobile-product-name {
        font-size: 15px;
        font-weight: 600;
    }
    
    .mobile-product-desc {
        font-size: 12px;
        color: var(--text-secondary);
        margin-top: 2px;
    }
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 鏂伴椈鍒楄〃 */
.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    padding: 16px;
    margin: 0 -16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.news-item:hover {
    background-color: var(--bg-secondary);
    cursor: pointer;
}

.news-item:last-child {
    border-bottom: none;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-main);
}

.news-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

.news-date {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.news-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    background-color: var(--bg-secondary);
    color: var(--primary-color);
    margin-bottom: 8px;
}

.product-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-right: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* 妯℃€佹 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--card-bg);
    padding: 0;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease, var(--theme-transition);
    box-shadow: var(--shadow-hover);
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    font-size: 28px; /* 澧炲ぇ瀛椾綋 */
    width: 44px;    /* 澧炲ぇ鐐瑰嚮鍖哄煙 */
    height: 44px;   /* 澧炲ぇ鐐瑰嚮鍖哄煙 */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
    z-index: 10;
    border-radius: 50%;
    /* 绋嶅井璋冩暣浣嶇疆浠ヨ瑙夊榻?*/
    top: 22px; 
    right: 22px;
}

.modal-close:hover {
    color: var(--primary-color);
    background-color: rgba(0,0,0,0.05); /* 澧炲姞 hover 鑳屾櫙 */
}

/* 娣辫壊妯″紡閫傞厤 */
[data-theme="dark"] .modal-close:hover {
    background-color: rgba(255,255,255,0.1);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 0;
    color: var(--text-main);
    padding: 32px 32px 16px;
    flex-shrink: 0;
}

.modal-body {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    padding: 0 32px 32px;
    overflow-y: auto;
    flex-grow: 1;
}

.modal-body h4 {
    color: var(--text-main);
    margin: 16px 0 8px;
    font-size: 16px;
}

.modal-body ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 16px;
}

/* Log Entry Styles */
.log-entry {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    align-items: flex-start;
}

.log-version {
    font-weight: 700;
    color: var(--text-main);
    min-width: 80px;
    flex-shrink: 0;
}

.log-content {
    flex-grow: 1;
    color: var(--text-secondary);
}

.log-content-line {
    display: block;
    margin-bottom: 4px;
}

.log-content-line:last-child {
    margin-bottom: 0;
}

.btn-disabled {
    background-color: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-main);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.page-btn:hover:not(.disabled):not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
}

/* News Filters */
.news-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* Contact Form Styles */
.contact-form {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: var(--card-bg);
    color: var(--text-main);
    box-sizing: border-box;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #a0aab5;
}

[data-theme="dark"] .form-group input:hover,
[data-theme="dark"] .form-group select:hover,
[data-theme="dark"] .form-group textarea:hover {
    border-color: #556;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    padding-right: 42px;
    cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color) !important;
    background-color: var(--bg-color);
    box-shadow: 0 0 0 3px rgba(39, 128, 187, 0.15);
}

.form-group select:focus {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232780bb' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='18 15 12 9 6 15'%3e%3c/polyline%3e%3c/svg%3e");
}