/*
============================================
Jennie SaaS - 入口網頁樣式
============================================
設計理念：
- 深色漸層背景，搭配紫藍主色調
- 現代 SaaS 風格，玻璃擬態效果
- 流暢的動畫與過場效果
- 響應式設計支援各種螢幕尺寸
============================================
*/

/* === CSS 變數 === */
:root {
    --primary-color: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --secondary-color: #EC4899;
    --accent-color: #10B981;

    --bg-dark-1: #0B0D17;
    --bg-dark-2: #111328;
    --bg-dark-3: #1A1C3A;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);

    --text-white: #FFFFFF;
    --text-light: #C8CAE5;
    --text-muted: #8B8DB0;

    --border-glass: rgba(255, 255, 255, 0.1);

    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

    --transition: all 0.3s ease;
    --font-main: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark-1);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* === 導航列 === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(11, 13, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    padding: 10px 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-white);
}

.nav-logo img {
    height: 40px;
    border-radius: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--text-white);
}

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

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

.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-nav-login {
    color: var(--text-light);
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-nav-login:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-nav-register {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    padding: 8px 24px;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-nav-register:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-auth-mobile {
    display: none;
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
}


/* === Hero 區塊 === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    padding-right: 560px; /* 為右側固定頭像留空間 */
}

.hero-text {
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.hero-badge i {
    color: #F59E0B;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn-primary-lg {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 12px;
    transition: var(--transition);
}

.btn-primary-lg:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-outline-lg {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.btn-outline-lg:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-glass);
}


/* === Hero 右側 — 助理頭像展示（固定右側全高） === */
.hero-avatar {
    position: fixed;
    top: 0;
    right: 0;
    width: 520px;
    height: 100vh;
    z-index: 100;
}

.avatar-showcase {
    position: relative;
    width: 100%;
    height: 100%;
}

.avatar-glow {
    position: absolute;
    top: 0;
    left: -60px;
    width: 120px;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.15) 50%, transparent 100%);
    pointer-events: none;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.avatar-frame {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.4);
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: opacity 0.8s ease, transform 0.5s ease;
}

.avatar-image.fade-out {
    opacity: 0;
    transform: scale(1.02);
}

/* 呼吸動畫 */
.avatar-image.breathing {
    animation: landing-breathe 3s ease-in-out infinite;
}

@keyframes landing-breathe {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.005); filter: brightness(1.04) saturate(1.05); }
}

/* 光澤效果 */
.avatar-frame::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        105deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 45%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 55%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 2;
}

.avatar-frame.shine::after {
    animation: landing-shine 1.5s ease-in-out;
}

@keyframes landing-shine {
    0% { left: -100%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 120%; opacity: 0; }
}

/* 頭像指示器 */
.avatar-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.indicator.active {
    background: var(--primary-color);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.6);
    transform: scale(1.2);
}

.indicator:hover {
    background: var(--primary-light);
}


/* === 浮動裝飾卡片 === */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-light);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 3;
}

.floating-card i {
    color: var(--primary-light);
    font-size: 1rem;
}

.card-1 {
    top: 100px;
    left: -30px;
    animation: float-1 5s ease-in-out infinite;
}

.card-2 {
    bottom: 120px;
    left: -30px;
    animation: float-2 6s ease-in-out infinite;
}

.card-3 {
    top: 50%;
    left: -40px;
    animation: float-3 5.5s ease-in-out infinite;
}

@keyframes float-1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(10px); }
}

@keyframes float-3 {
    0%, 100% { transform: translateX(0px); }
    50% { transform: translateX(-10px); }
}


/* === 背景裝飾 === */
.hero-bg-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.circle-1 {
    width: 500px;
    height: 500px;
    background: rgba(99, 102, 241, 0.12);
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: rgba(236, 72, 153, 0.08);
    bottom: -50px;
    left: -100px;
}

.circle-3 {
    width: 300px;
    height: 300px;
    background: rgba(16, 185, 129, 0.06);
    top: 50%;
    left: 40%;
}


/* === 功能特色區塊 === */
.features {
    padding: 120px 0;
    background: var(--bg-dark-2);
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    margin-right: 560px; /* 為右側固定頭像留空間 */
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-light);
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
}

/* 雙圖示並排（Line + 微信） */
.feature-icon-dual {
    gap: 6px;
    font-size: 1.25rem;
}

.feature-icon-dual .fa-line { color: #06C755; }
.feature-icon-dual .fa-weixin { color: #07C160; }

.icon-purple { background: rgba(99, 102, 241, 0.15); color: #818CF8; }
.icon-blue { background: rgba(59, 130, 246, 0.15); color: #60A5FA; }
.icon-pink { background: rgba(236, 72, 153, 0.15); color: #F472B6; }
.icon-emerald { background: rgba(16, 185, 129, 0.15); color: #34D399; }
.icon-orange { background: rgba(245, 158, 11, 0.15); color: #FBBF24; }
.icon-indigo { background: rgba(129, 140, 248, 0.15); color: #A5B4FC; }
.icon-teal { background: rgba(20, 184, 166, 0.15); color: #2DD4BF; }
.icon-amber { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.icon-rose { background: rgba(244, 63, 94, 0.15); color: #FB7185; }

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}


/* === 方案價格預覽 === */
.pricing-preview {
    padding: 120px 0;
    background: var(--bg-dark-1);
}

.pricing-preview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pricing-preview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-preview-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.pricing-preview-card.featured {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.08);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 50px;
    white-space: nowrap;
}

.pricing-preview-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.preview-price {
    margin-bottom: 24px;
}

.price-amount {
    font-size: 2.2rem;
    font-weight: 800;
}

.pricing-preview-card.featured .price-amount {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: var(--text-muted);
}

.preview-features {
    list-style: none;
    margin-bottom: 28px;
    text-align: left;
}

.preview-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.preview-features li i {
    color: var(--accent-color);
    font-size: 0.8rem;
}

.btn-preview {
    display: block;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--border-glass);
    color: var(--text-light);
    transition: var(--transition);
}

.btn-preview:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.btn-featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-color: transparent;
    color: white;
}

.btn-featured:hover {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    color: white;
}


/* === 社會證明區塊 === */
.social-proof {
    padding: 120px 0;
    background: var(--bg-dark-2);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
}

.testimonial-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 16px;
    color: #FBBF24;
    font-size: 0.85rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.testimonial-name {
    font-weight: 700;
    font-size: 0.95rem;
}

.testimonial-role {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.trust-badge i {
    color: var(--accent-color);
    font-size: 1rem;
}


/* === FAQ 區塊 === */
.faq-section {
    padding: 120px 0;
    background: var(--bg-dark-2);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.faq-item.open {
    border-color: rgba(99, 102, 241, 0.4);
    background: var(--bg-card-hover);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-icon {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
    color: var(--primary-light);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}


/* === CTA 區塊 === */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark-3) 0%, rgba(99, 102, 241, 0.1) 100%);
    position: relative;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 36px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 16px 40px;
    border-radius: 14px;
    transition: var(--transition);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.4);
}


/* === 頁尾 === */
.footer {
    background: var(--bg-dark-2);
    border-top: 1px solid var(--border-glass);
    padding: 60px 0 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    margin-right: 560px; /* 為右側固定頭像留空間 */
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.footer-logo img {
    height: 36px;
    border-radius: 8px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-white);
}

.footer-links a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-glass);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}


/* === 響應式設計 === */

/* 平板 */
@media (max-width: 1024px) {
    .hero-avatar {
        display: none;
    }

    .hero-container {
        padding-right: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .section-container {
        margin-right: auto;
    }

    .footer-container {
        margin-right: auto;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid .testimonial-card:nth-child(3) {
        grid-column: 1 / -1;
        max-width: 480px;
        margin: 0 auto;
    }

    .pricing-preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手機 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 13, 23, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        border-bottom: 1px solid var(--border-glass);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-link {
        padding: 10px 16px;
        border-radius: 8px;
    }

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .nav-link::after {
        display: none;
    }

    .nav-auth {
        display: none;
    }

    .nav-links.open .nav-auth-mobile {
        display: flex;
        gap: 10px;
        padding-top: 12px;
        border-top: 1px solid var(--border-glass);
        margin-top: 8px;
    }

    .nav-mobile-toggle {
        display: block;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary-lg,
    .btn-outline-lg {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .section-container {
        padding: 0 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .features {
        padding: 80px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .social-proof {
        padding: 80px 0;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 36px;
    }

    .testimonials-grid .testimonial-card:nth-child(3) {
        max-width: none;
    }

    .trust-badges {
        gap: 20px;
    }

    .pricing-preview {
        padding: 80px 0;
    }

    .pricing-preview-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .faq-section {
        padding: 80px 0;
    }

    .faq-question {
        padding: 16px 20px;
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 20px 16px;
        font-size: 0.9rem;
    }

    .cta-content h2 {
        font-size: 1.6rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}


/* ============================================
   手機版大照片輪播
   ============================================ */

/* 桌面版隱藏 */
.mobile-hero-carousel {
    display: none;
}

/* 平板 & 手機顯示 */
@media (max-width: 1024px) {
    .mobile-hero-carousel {
        display: block;
        position: relative;
        width: 100%;
        max-width: 420px;
        margin: 0 auto 28px;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 8px 40px rgba(99, 102, 241, 0.25), 0 2px 12px rgba(0,0,0,0.3);
        border: 2px solid rgba(99, 102, 241, 0.2);
    }

    .mobile-carousel-track {
        position: relative;
        width: 100%;
        aspect-ratio: 3 / 4;
        background: linear-gradient(135deg, #1a1a2e, #16213e);
    }

    .mobile-carousel-slide {
        position: absolute;
        inset: 0;
        opacity: 0;
        transition: opacity 0.8s ease, transform 0.6s ease;
        transform: scale(1.02);
    }

    .mobile-carousel-slide.active {
        opacity: 1;
        transform: scale(1);
    }

    /* 手機輪播 - 光澤閃光效果 */
    .mobile-carousel-slide::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 60%;
        height: 100%;
        background: linear-gradient(
            105deg,
            transparent 30%,
            rgba(255, 255, 255, 0.1) 45%,
            rgba(255, 255, 255, 0.25) 50%,
            rgba(255, 255, 255, 0.1) 55%,
            transparent 70%
        );
        pointer-events: none;
        z-index: 3;
    }

    .mobile-carousel-slide.mobile-shine::before {
        animation: mobile-carousel-shine 1.2s ease-in-out;
    }

    /* 手機輪播 - 微小跳動效果 */
    .mobile-carousel-slide.mobile-pop img {
        animation: mobile-carousel-pop 0.5s ease-out;
    }

    .mobile-carousel-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center top;
    }

    /* 底部漸層遮罩 */
    .mobile-carousel-track::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 80px;
        background: linear-gradient(to top, rgba(10, 10, 15, 0.7), transparent);
        pointer-events: none;
        z-index: 2;
    }

    .mobile-carousel-dots {
        position: absolute;
        bottom: 14px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 8px;
        z-index: 3;
    }

    .mobile-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        border: none;
        background: rgba(255, 255, 255, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
        padding: 0;
    }

    .mobile-dot.active {
        background: var(--primary-color, #6366f1);
        box-shadow: 0 0 8px rgba(99, 102, 241, 0.6);
        transform: scale(1.3);
    }

    .mobile-dot:hover {
        background: rgba(255, 255, 255, 0.6);
    }
}

@media (max-width: 480px) {
    .mobile-hero-carousel {
        max-width: 100%;
        border-radius: 16px;
        margin-bottom: 22px;
    }
}

/* 手機輪播動畫 keyframes */
@keyframes mobile-carousel-shine {
    0% { left: -100%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 120%; opacity: 0; }
}

@keyframes mobile-carousel-pop {
    0% { transform: scale(1); }
    30% { transform: scale(1.02); }
    60% { transform: scale(0.995); }
    100% { transform: scale(1); }
}


/* ============================================
   PWA 安裝提示 (Landing Page)
   ============================================ */

.pwa-install-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border-top: 2px solid var(--primary-color, #6366f1);
    padding: 14px 20px;
    align-items: center;
    justify-content: center;
    animation: pwaSlideUp 0.4s ease;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}

@keyframes pwaSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.pwa-install-content {
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 600px;
    width: 100%;
}

.pwa-install-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
}

.pwa-install-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.pwa-install-text strong {
    font-size: 0.95rem;
    color: #fff;
}

.pwa-install-text span {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

.pwa-install-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.pwa-install-btn {
    background: var(--primary-color, #6366f1);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.pwa-install-btn:hover {
    filter: brightness(1.15);
    transform: scale(1.05);
}

.pwa-dismiss-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.4);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.2s;
}

.pwa-dismiss-btn:hover {
    color: rgba(255,255,255,0.8);
}

/* iOS PWA Guide */
.pwa-ios-guide {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    animation: pwaSlideUp 0.4s ease;
}

.pwa-ios-content {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 1px solid rgba(99, 102, 241, 0.4);
    border-radius: 16px;
    padding: 20px 24px;
    text-align: center;
    max-width: 320px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    position: relative;
    color: #fff;
}

.pwa-ios-content .pwa-dismiss-btn {
    position: absolute;
    top: 8px;
    right: 10px;
}

.pwa-ios-content .pwa-install-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 10px;
    display: block;
}

.pwa-ios-content p {
    margin: 6px 0;
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(255,255,255,0.8);
}

.pwa-ios-content p strong {
    color: #fff;
}

.pwa-ios-content i {
    color: var(--primary-color, #6366f1);
}

.pwa-ios-content::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #16213e;
}

@media (max-width: 480px) {
    .pwa-install-banner {
        padding: 12px 14px;
    }
    .pwa-install-icon {
        width: 40px;
        height: 40px;
    }
    .pwa-install-btn {
        padding: 7px 14px;
        font-size: 0.82rem;
    }
}