/* ========================================
   Air Explorer 粵語官網 - 全局樣式
   主題色: #228AE6 (藍色系，與 Air Cluster 一致)
   ======================================== */

/* 基礎重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "微軟雅黑", sans-serif;
    line-height: 1.6;
    color: #c8d1de;
    background-color: #06080d;
}

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

a { color: #228AE6; text-decoration: none; transition: color 0.3s ease; }
a:hover { color: #1c7ed6; }

img { max-width: 100%; height: auto; }

/* ========================================
   按鈕通用
   ======================================== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary { background-color: #228AE6; color: #ffffff; }
.btn-primary:hover { background-color: #1c7ed6; color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(34, 138, 230, 0.3); }

.btn-secondary { background-color: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: #8b95a8; }
.btn-secondary:hover { background-color: rgba(255,255,255,0.1); color: #e8edf3; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }

/* ========================================
   導航欄樣式 — 毛玻璃懸浮設計
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    transition: all .4s cubic-bezier(.4,0,.2,1);
}
.header.header-scrolled {
    padding: 6px 0;
}
.header-glass {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 10px 24px;
    border-radius: 16px;
    background: rgba(10,12,20,0.65);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    backdrop-filter: blur(20px) saturate(1.4);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.25),
        inset 0 1px 0 rgba(255,255,255,0.04);
    transition: all .4s cubic-bezier(.4,0,.2,1);
}
.header.header-scrolled .header-bar {
    padding: 8px 24px;
    border-radius: 14px;
    background: rgba(10,12,20,0.82);
    box-shadow: 0 8px 32px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.04);
}

/* Logo */
.header-left { display: flex; align-items: center; flex-shrink: 0; }
.header-logo-wrapper {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
    padding: 4px 8px;
    border-radius: 10px;
    transition: all .3s;
}
.header-logo-wrapper:hover { background: rgba(255,255,255,0.05); }
.header-logo-image { height: 34px; width: auto; display: block; }
.header-logo-content { display: flex; flex-direction: column; }
.header-logo-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: .3px;
}
.header-logo-company {
    font-size: 9px;
    color: rgba(255,255,255,0.35);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: .2px;
}

/* 中間導航 */
.header-center { display: flex; align-items: center; gap: 2px; }

.header-nav-link {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all .25s;
    padding: 7px 14px;
    border-radius: 8px;
    position: relative;
    letter-spacing: .2px;
}
.header-nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.07);
}
.header-nav-link.active {
    color: #fff;
    background: rgba(34,138,230,0.15);
}
.header-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    border-radius: 1px;
    background: #228AE6;
}

/* 下拉菜單 */
.header-nav-dropdown { position: relative; }
.header-nav-dropdown-trigger { cursor: pointer; }
.dropdown-arrow {
    display: inline-block;
    font-size: 10px;
    margin-left: 3px;
    transition: transform .3s;
    opacity: .5;
}
.header-nav-dropdown.open .dropdown-arrow,
.header-nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); opacity: 1; }

.header-nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    background: rgba(14,16,26,0.88);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 8px;
    min-width: 170px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.4);
    opacity: 0;
    visibility: hidden;
    transition: all .25s cubic-bezier(.4,0,.2,1);
    z-index: 1001;
}
.header-nav-dropdown.open .header-nav-dropdown-menu,
.header-nav-dropdown:hover .header-nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.header-dropdown-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all .2s;
    white-space: nowrap;
    border-radius: 8px;
}
.header-dropdown-link:hover { background: rgba(255,255,255,0.07); color: #fff; }
.header-dropdown-link.active { color: #228AE6; background: rgba(34,138,230,0.1); }

/* 右側按鈕 */
.header-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border-radius: 9px;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    gap: 5px;
    white-space: nowrap;
    letter-spacing: .2px;
}
.header-btn-trial {
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.12);
    background: transparent;
}
.header-btn-trial:hover {
    color: #fff;
    border-color: rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.06);
}
.header-btn-buy {
    background: linear-gradient(135deg, #228AE6, #1a9be0);
    color: #fff;
    border: none;
    box-shadow: 0 2px 12px rgba(34,138,230,0.3);
}
.header-btn-buy:hover {
    background: linear-gradient(135deg, #1c7ed6, #1590d0);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(34,138,230,0.4);
}
.header-btn-icon { font-size: 14px; font-weight: bold; }

/* 漢堡菜單 */
.header-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.header-hamburger-line {
    width: 20px;
    height: 2px;
    background-color: rgba(255,255,255,0.7);
    border-radius: 2px;
    transition: all .3s;
}
.header-hamburger.active .header-hamburger-line:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.header-hamburger.active .header-hamburger-line:nth-child(2) { opacity: 0; }
.header-hamburger.active .header-hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 移動端菜單 */
.header-mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    background: rgba(14,16,26,0.92);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.4);
    z-index: 999;
    max-height: 0;
    overflow-y: auto;
    transition: max-height .35s cubic-bezier(.4,0,.2,1);
}
.header-mobile-menu.active { max-height: 80vh; }

.header-mobile-nav { display: flex; flex-direction: column; padding: 12px; gap: 2px; }
.header-mobile-nav-link {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 10px;
    transition: all .25s;
}
.header-mobile-nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.header-mobile-nav-link.active { background: rgba(34,138,230,0.12); color: #228AE6; }
.header-mobile-nav-divider { height: 1px; background: rgba(255,255,255,0.06); margin: 6px 12px; }
.header-mobile-nav-label {
    color: rgba(255,255,255,0.25);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 10px 16px 4px;
}

.header-mobile-buttons { display: flex; flex-direction: column; gap: 8px; padding: 12px; border-top: 1px solid rgba(255,255,255,0.06); }

/* 導航欄佔位高度 */
.header-spacer { height: 72px; }

/* 導航欄響應式 */
@media (max-width: 968px) {
    .header-center { display: none; }
    .header-right { display: none; }
    .header-hamburger { display: flex; }
    .header-mobile-menu { display: block; }
    .header-bar { padding: 8px 16px; }
}

/* ========================================
   頁腳樣式
   ======================================== */
.footer {
    background: #06080d;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(100%, 1200px);
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(34,138,230,0.3) 50%, transparent 100%);
}

/* 主體區域：左側品牌 + 右側連結 */
.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    padding: 72px 0 48px;
    align-items: start;
}

/* 左側品牌列 */
.footer-brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand-logo img { height: 36px; width: auto; }
.footer-brand-logo span { font-size: 18px; font-weight: 700; color: #e8edf3; letter-spacing: -0.3px; }
.footer-brand-desc { font-size: 14px; color: #5a6577; line-height: 1.8; margin-bottom: 28px; max-width: 320px; }

.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: #6b7a90; text-decoration: none; transition: color 0.3s ease; }
.footer-contact-item:hover { color: #5ea8ef; }
.footer-contact-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: rgba(34,138,230,0.08); border: 1px solid rgba(34,138,230,0.12); border-radius: 10px; flex-shrink: 0; transition: all 0.3s ease; }
.footer-contact-item:hover .footer-contact-icon { background: rgba(34,138,230,0.15); border-color: rgba(34,138,230,0.25); }
.footer-contact-icon svg { width: 15px; height: 15px; color: #228AE6; }

/* 右側連結網格 */
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: left;
}
.footer-links-title {
    font-size: 11px;
    font-weight: 700;
    color: #4a5568;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.footer-links-list { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
    color: #6b7a90;
    font-size: 13.5px;
    text-decoration: none;
    transition: all 0.25s ease;
    padding: 3px 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-link::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: transparent;
    transition: background 0.25s ease;
    flex-shrink: 0;
}
.footer-link:hover { color: #e8edf3; }
.footer-link:hover::before { background: #228AE6; }

/* 底部條 */
.footer-bottom-bar {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.footer-bottom-left { font-size: 12px; color: #3a4555; line-height: 1.6; }
.footer-bottom-left span { color: #4a5568; }
.footer-bottom-right { display: flex; align-items: center; gap: 6px; }
.footer-bottom-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    background: rgba(34,138,230,0.06);
    border: 1px solid rgba(34,138,230,0.1);
    color: #5ea8ef;
}
.footer-bottom-badge svg { width: 12px; height: 12px; }

/* 授權聲明 */
.footer-notice {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: 20px 0 24px;
    text-align: center;
}
.footer-notice-text { font-size: 12px; color: #3a4555; line-height: 1.8; margin: 0; }
.footer-notice-text-en { font-size: 11px; color: #2d3648; line-height: 1.8; margin-top: 4px; }

/* ========================================
   通用 Hero 區域
   ======================================== */
.page-hero {
    background: linear-gradient(135deg, #06080d 0%, #0a0d14 50%, #0c1220 100%);
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 40%, rgba(34,138,230,0.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 80%, rgba(6,182,212,0.04) 0%, transparent 70%);
    pointer-events: none;
}
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34,138,230,0.15), transparent);
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero-badge { display: inline-block; padding: 8px 20px; background: rgba(34,138,230,0.1); border: 1px solid rgba(34,138,230,0.2); border-radius: 20px; color: #5ea8ef; font-size: 14px; font-weight: 600; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.page-hero-title { font-size: 48px; font-weight: 800; color: #e8edf3; margin-bottom: 16px; line-height: 1.2; }
.page-hero-subtitle { font-size: 18px; color: #7a8599; max-width: 800px; margin: 0 auto; line-height: 1.7; }
.page-hero-description { font-size: 16px; color: #6b7a90; max-width: 700px; margin: 20px auto 0; line-height: 1.8; }

/* ========================================
   通用內容區域
   ======================================== */
.content-section { padding: 80px 0; background-color: #06080d; }
.content-section.alt { background-color: #0a0d14; }
.content-section.white { background-color: #0a0d14; }
.content-section.dark { background: #06080d; color: #fff; }
.content-section + .content-section { position: relative; }
.content-section + .content-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34,138,230,0.12), transparent);
    pointer-events: none;
}

.section-header { text-align: center; margin-bottom: 60px; }
.section-badge { font-size: 14px; font-weight: 600; color: #5ea8ef; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; display: inline-block; padding: 6px 16px; background: rgba(34,138,230,0.1); border: 1px solid rgba(34,138,230,0.2); border-radius: 20px; }
.section-title { font-size: 42px; font-weight: 800; margin-bottom: 20px; color: #e8edf3; line-height: 1.2; }
.section-subtitle { font-size: 18px; color: #7a8599; max-width: 700px; margin: 0 auto; line-height: 1.7; }

/* ========================================
   功能卡片網格
   ======================================== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }

.feature-card {
    background: rgba(255,255,255,0.03);
    padding: 40px 32px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #228AE6, #06b6d4); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(34,138,230,0.2); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }

.feature-icon {
    width: 56px; height: 56px;
    background: rgba(34,138,230,0.1);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px;
    transition: all 0.4s ease;
}
.feature-card:hover .feature-icon { background: linear-gradient(135deg, #228AE6, #06b6d4); transform: scale(1.08); }
.feature-icon svg { color: #228AE6; transition: color 0.4s ease; width: 24px; height: 24px; }
.feature-card:hover .feature-icon svg { color: #ffffff; }

.feature-card-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: #e8edf3; line-height: 1.3; }
.feature-card-description { font-size: 14px; color: #6b7a90; line-height: 1.75; margin: 0; }
.feature-card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: #228AE6; font-weight: 600; font-size: 13px; transition: gap .3s; }
.feature-card-link:hover { color: #5ea8ef; gap: 10px; }
.feature-card-link .arrow { transition: transform 0.3s; }
.feature-card-link:hover .arrow { transform: translateX(4px); }

/* ========================================
   內容圖文區域
   ======================================== */
.content-block { max-width: 900px; margin: 0 auto; }
.content-block h2 { font-size: 32px; font-weight: 800; color: #e8edf3; margin-bottom: 20px; line-height: 1.3; }
.content-block h3 { font-size: 24px; font-weight: 700; color: #c8d1de; margin: 32px 0 16px; line-height: 1.3; }
.content-block p { font-size: 16px; color: #7a8599; line-height: 1.8; margin-bottom: 16px; }
.content-block strong { color: #c8d1de; }
.content-block img { width: 100%; max-width: 800px; margin: 24px auto; display: block; border-radius: 12px; border: 1px solid rgba(255,255,255,0.06); box-shadow: 0 4px 20px rgba(0,0,0,0.3); transition: transform 0.3s ease; }
.content-block img:hover { transform: scale(1.02); }

.content-block ul { list-style: none; margin: 16px 0; padding: 0; }
.content-block ul li { position: relative; padding-left: 28px; margin-bottom: 12px; font-size: 15px; color: #7a8599; line-height: 1.7; }
.content-block ul li::before { content: '✓'; position: absolute; left: 0; top: 0; color: #228AE6; font-weight: bold; }

/* ========================================
   FAQ 手風琴
   ======================================== */
.faq-container { max-width: 900px; margin: 0 auto; }
.faq-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: all 0.3s ease; }
.faq-item:hover { border-color: rgba(34,138,230,0.15); }
.faq-question { width: 100%; padding: 22px 28px; background: transparent; border: none; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 16px; font-weight: 600; color: #c8d1de; transition: all 0.3s ease; font-family: inherit; }
.faq-question:hover { color: #5ea8ef; }
.faq-question-icon { width: 24px; height: 24px; border-radius: 50%; background: rgba(34,138,230,0.1); display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; flex-shrink: 0; margin-left: 16px; font-size: 18px; font-weight: bold; color: #228AE6; }
.faq-item.active .faq-question-icon { background: #228AE6; color: #fff; }
.faq-item.active { border-color: rgba(34,138,230,0.2); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-content { padding: 0 28px 24px; color: #7a8599; font-size: 15px; line-height: 1.8; }
.faq-answer-content p { margin-bottom: 12px; }

/* ========================================
   表格樣式
   ======================================== */
.styled-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.06); }
.styled-table thead tr { background: rgba(34,138,230,0.1); }
.styled-table th { padding: 14px 16px; text-align: left; font-weight: 600; color: #5ea8ef; }
.styled-table td { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.04); color: #7a8599; }
.styled-table tbody tr { transition: background 0.2s ease; }
.styled-table tbody tr:hover { background: rgba(34,138,230,0.04); }
.styled-table tbody tr:last-child td { border-bottom: none; }

/* ========================================
   雲端硬碟卡片
   ======================================== */
.clouds-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.clouds-grid .cloud-card { width: 260px; }

.cloud-card {
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.cloud-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #228AE6, #06b6d4); transform: scaleX(0); transition: transform 0.3s ease; }
.cloud-card:hover { transform: translateY(-4px); border-color: rgba(34,138,230,0.2); box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
.cloud-card:hover::before { transform: scaleX(1); }

.cloud-logo { width: 72px; height: 72px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; }
.cloud-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.cloud-name { font-size: 18px; font-weight: 700; color: #d8e0ec; margin-bottom: 10px; }
.cloud-storage { display: inline-block; padding: 5px 14px; background: rgba(34,138,230,0.1); border: 1px solid rgba(34,138,230,0.2); border-radius: 16px; color: #5ea8ef; font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.cloud-signup { display: inline-block; padding: 9px 22px; background: rgba(34,138,230,0.08); border: 1px solid rgba(34,138,230,0.25); color: #228AE6; text-decoration: none; border-radius: 8px; font-weight: 600; font-size: 13px; transition: all 0.3s ease; }
.cloud-signup:hover { background: #228AE6; color: #fff; border-color: #228AE6; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(34,138,230,0.3); }
.cloud-note { font-size: 13px; color: #6b7a90; margin-top: 12px; line-height: 1.6; }
.cloud-card.protocol-card { background: rgba(34,138,230,0.04); border-color: rgba(34,138,230,0.1); }
.cloud-card.protocol-card .cloud-name { color: #5ea8ef; }

/* ========================================
   價格卡片
   ======================================== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; max-width: 1100px; margin: 0 auto; }

.pricing-card {
    background: rgba(255,255,255,0.025);
    padding: 44px 36px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-align: center;
}
.pricing-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #228AE6, #06b6d4); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.pricing-card:hover::before { transform: scaleX(1); }
.pricing-card:hover { transform: translateY(-6px); border-color: rgba(34,138,230,0.2); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }

.pricing-card.featured {
    background: rgba(34,138,230,0.06);
    border-color: rgba(34,138,230,0.3);
    transform: scale(1.03);
    box-shadow: 0 16px 50px rgba(34,138,230,0.15);
}
.pricing-card.featured:hover { transform: scale(1.03) translateY(-6px); box-shadow: 0 24px 60px rgba(34,138,230,0.25); }
.pricing-card.featured::before { transform: scaleX(1); }
.pricing-card.featured .pricing-badge-featured { position: absolute; top: -5px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, #228AE6, #06b6d4); color: #fff; padding: 6px 24px; border-radius: 20px; font-size: 12px; font-weight: 700; letter-spacing: 1px; box-shadow: 0 4px 12px rgba(34,138,230,0.4); }
.pricing-card.featured .pricing-plan-name { color: #e8edf3; }
.pricing-card.featured .pricing-price { background: linear-gradient(135deg, #228AE6, #06b6d4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.pricing-card.featured .pricing-feature-item { color: #8b95a8; border-color: rgba(255,255,255,0.06); }

.pricing-plan-name { font-size: 22px; font-weight: 700; margin-bottom: 16px; color: #c8d1de; }
.pricing-price { font-size: 52px; font-weight: 800; color: #228AE6; margin-bottom: 8px; line-height: 1; }
.pricing-price-original { font-size: 18px; color: #4a5568; text-decoration: line-through; margin-bottom: 8px; }
.pricing-price-period { font-size: 15px; color: #6b7a90; font-weight: 500; margin-bottom: 32px; }
.pricing-card.featured .pricing-price-period { color: #7a8599; }

.pricing-features { list-style: none; margin-bottom: 32px; text-align: left; }
.pricing-feature-item { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 14px; color: #6b7a90; display: flex; align-items: center; gap: 12px; }
.pricing-feature-item .pricing-feature-icon svg { color: #228AE6; }
.pricing-feature-item.disabled { color: #3a4555; }
.pricing-feature-item.disabled .pricing-feature-icon svg { color: #3a4555; }

.pricing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    width: 100%;
    cursor: pointer;
    border: none;
    font-family: inherit;
}
.pricing-btn-primary { background: linear-gradient(135deg, #228AE6, #06b6d4); color: #fff; box-shadow: 0 8px 24px rgba(34,138,230,0.25); }
.pricing-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(34,138,230,0.4); color: #fff; }
.pricing-btn-secondary-dark { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: #8b95a8; }
.pricing-btn-secondary-dark:hover { background: rgba(255,255,255,0.1); color: #e8edf3; transform: translateY(-2px); }

/* ========================================
   截圖畫廊
   ======================================== */
.screenshot-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 16px; margin: 40px 0; }
.screenshot-item { border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.06); transition: all 0.3s ease; }
.screenshot-item:hover { transform: translateY(-4px); border-color: rgba(34,138,230,0.2); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
.screenshot-item img { width: 100%; display: block; }
.screenshot-caption { padding: 16px; background: rgba(255,255,255,0.02); font-size: 14px; color: #6b7a90; line-height: 1.6; }

/* ========================================
   內容塊居中
   ======================================== */
.content-block-center { text-align: center; }

/* ========================================
   響應式設計
   ======================================== */
@media (max-width: 968px) {
    .header-center, .header-right { display: none; }
    .header-hamburger { display: flex; }
    .header-mobile-menu { display: block; }
}

@media (max-width: 768px) {
    .page-hero { padding: 120px 0 40px; }
    .page-hero-title { font-size: 32px; }
    .page-hero-subtitle { font-size: 15px; }

    .content-section { padding: 60px 0; }
    .section-title { font-size: 28px; }

    .features-grid { grid-template-columns: 1fr; }
    .clouds-grid .cloud-card { width: 220px; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: scale(1); }
    .pricing-card.featured:hover { transform: translateY(-6px); }
    .screenshot-gallery { grid-template-columns: 1fr; }

    .footer-main { grid-template-columns: 1fr; gap: 40px; }
    .footer-brand-desc { max-width: 100%; }
    .footer-links { grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .footer-bottom-bar { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
    .clouds-grid .cloud-card { width: 100%; }
    .page-hero-title { font-size: 26px; }
}