/* ========================================
   iTop Screen Recorder 官網 - 主樣式表
   主題色: #E22940 (紅色)
   設計風格: 現代、專業、高階感
======================================== */

/* ========== CSS Reset 和基礎樣式 ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333333;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

.main-content {
    flex: 1;
    padding-top: 70px;
}

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

@media (max-width: 480px) {
    .main-content {
        padding-top: 60px;
    }
}

/* ========== Hero 主視覺區域 ========== */
.hero {
    min-height: calc(100vh - 70px);
    background: linear-gradient(135deg, #0a0a0a 0%, #0f1419 50%, #0a0a0a 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(226, 41, 64, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(226, 41, 64, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

/* 錄製波形背景 */
.hero-wave-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(226, 41, 64, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(226, 41, 64, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
    animation: wave-pulse 4s ease-in-out infinite;
}

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

/* 錄製指示燈動畫 */
.hero-rec-indicator {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 16px;
    height: 16px;
    background: #E22940;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(226, 41, 64, 0.6);
    animation: rec-blink 1.5s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes rec-blink {
    0%, 100% { opacity: 1; box-shadow: 0 0 20px rgba(226, 41, 64, 0.6); }
    50% { opacity: 0.4; box-shadow: 0 0 10px rgba(226, 41, 64, 0.3); }
}

/* 浮動圖示 */
.hero-floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.floating-icon {
    position: absolute;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(226, 41, 64, 0.05);
    border: 1px solid rgba(226, 41, 64, 0.15);
    border-radius: 12px;
    color: rgba(226, 41, 64, 0.4);
    animation: icon-float 6s ease-in-out infinite;
}

.floating-icon svg {
    width: 24px;
    height: 24px;
}

.floating-icon:nth-child(1) { 
    top: 15%; left: 5%; 
    animation-delay: 0s;
}
.floating-icon:nth-child(2) { 
    top: 60%; left: 8%; 
    animation-delay: 1.5s;
    width: 40px; height: 40px;
}
.floating-icon:nth-child(2) svg { width: 20px; height: 20px; }
.floating-icon:nth-child(3) { 
    top: 25%; right: 8%; 
    animation-delay: 3s;
    width: 36px; height: 36px;
}
.floating-icon:nth-child(3) svg { width: 18px; height: 18px; }
.floating-icon:nth-child(4) { 
    top: 70%; right: 5%; 
    animation-delay: 4.5s;
}

@keyframes icon-float {
    0%, 100% { 
        transform: translateY(0) rotate(0deg); 
        opacity: 0.4;
    }
    25% { 
        transform: translateY(-15px) rotate(5deg); 
        opacity: 0.7;
    }
    50% { 
        transform: translateY(-8px) rotate(-3deg); 
        opacity: 0.5;
    }
    75% { 
        transform: translateY(-20px) rotate(3deg); 
        opacity: 0.6;
    }
}

/* 移動端隱藏部分動畫 */
@media (max-width: 768px) {
    .hero-floating-icons { display: none; }
    .hero-rec-indicator { display: none; }
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 40px;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    animation: fadeInLeft 0.8s ease-out;
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(226, 41, 64, 0.1);
    border: 1px solid rgba(226, 41, 64, 0.25);
    color: #E22940;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 28px;
    letter-spacing: 0.5px;
}

.hero-badge svg {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.15;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #E22940 0%, #ff5252 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-version {
    font-size: 16px;
    font-weight: 500;
    color: #555555;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.hero-version span {
    color: #E22940;
    font-weight: 600;
}

.hero-subtitle {
    font-size: 18px;
    color: #999999;
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.hero-btn-primary {
    background: linear-gradient(135deg, #E22940 0%, #c41e35 100%);
    color: #ffffff;
    box-shadow: 0 8px 30px -8px rgba(226, 41, 64, 0.5);
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px -8px rgba(226, 41, 64, 0.6);
}

.hero-btn-primary svg {
    width: 18px;
    height: 18px;
}

.hero-btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #cccccc;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #888888;
    font-size: 14px;
}

.hero-feature svg {
    width: 18px;
    height: 18px;
    color: #E22940;
    flex-shrink: 0;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.08),
        0 25px 80px -12px rgba(0, 0, 0, 0.8),
        0 0 60px -20px rgba(226, 41, 64, 0.3);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(226, 41, 64, 0.4) 0%, transparent 40%, transparent 60%, rgba(226, 41, 64, 0.2) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.hero-image-wrapper img {
    width: 100%;
    display: block;
    border-radius: 20px;
}

.hero-float-card {
    position: absolute;
    background: rgba(20, 20, 20, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.hero-float-card.top-right {
    top: -20px;
    right: -30px;
    animation: floatY 5s ease-in-out infinite;
}

.hero-float-card.bottom-left {
    bottom: 30px;
    left: -40px;
    animation: floatY 5s ease-in-out infinite 2.5s;
}

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

.float-card-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #E22940 0%, #c41e35 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.float-card-icon svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

.float-card-text {
    text-align: left;
}

.float-card-title {
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2px;
}

.float-card-desc {
    font-size: 11px;
    color: #777777;
}

.hero-stats {
    position: absolute;
    bottom: -88px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    z-index: 2;
    background: rgba(255, 255, 255, 0.03);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50px;
    padding: 0;
    min-width: max-content;
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    position: relative;
    white-space: nowrap;
}

.hero-stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-stat-value {
    font-size: 15px;
    font-weight: 600;
    color: #E22940;
    letter-spacing: -0.01em;
}

.hero-stat-value span {
    color: #E22940;
}

.hero-stat-label {
    font-size: 13px;
    color: #666666;
}

/* Hero 響應式 */
@media (max-width: 1100px) {
    .hero-container {
        display: flex;
        flex-direction: column;
        gap: 40px;
        text-align: center;
        padding: 60px 30px 80px;
    }

    .hero-content { order: 1; }
    .hero-visual { order: 2; max-width: 500px; margin: 0 auto; }
    .hero-subtitle { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-features { 
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center; 
        gap: 12px;
    }
    .hero-feature {
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 20px;
        padding: 8px 16px;
    }
    .hero-float-card { display: none; }

    .hero-stats {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin: 0 auto;
        order: 3;
        width: 100%;
        max-width: 600px;
    }
}

@media (max-width: 600px) {
    .hero { min-height: 0; }
    .hero-container { padding: 30px 20px 20px; gap: 24px; }
    .hero-title { font-size: 28px; }
    .hero-version { font-size: 12px; margin-bottom: 12px; }
    .hero-subtitle { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
    .hero-buttons { flex-direction: column; gap: 12px; margin-bottom: 24px; }
    .hero-btn { width: 100%; padding: 16px 24px; font-size: 16px; }
    .hero-features { 
        flex-wrap: wrap; 
        gap: 8px; 
        justify-content: center;
    }
    .hero-feature { 
        font-size: 12px; 
        padding: 6px 12px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 16px;
    }
    .hero-badge { font-size: 11px; padding: 6px 12px; margin-bottom: 16px; }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1px;
        padding: 0;
        border-radius: 12px;
        width: calc(100% + 40px);
        margin-left: -20px;
        margin-right: -20px;
        max-width: none;
        background: rgba(255, 255, 255, 0.06);
        border: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        margin-top: 10px;
    }

    .hero-stat { 
        padding: 16px 12px; 
        flex: none;
        flex-direction: column;
        gap: 4px;
        text-align: center;
        background: #0d0d0d;
    }
    .hero-stat:not(:last-child) { border-right: none; }
    .hero-stat:not(:last-child)::after { display: none; }
    .hero-stat-value { font-size: 18px; font-weight: 700; }
    .hero-stat-label { font-size: 11px; }
    .hero-visual { max-width: 300px; }
}

@media (max-width: 400px) {
    .hero-title { font-size: 24px; }
    .hero-container { padding: 24px 16px 16px; gap: 20px; }
    .hero-subtitle { font-size: 13px; }
    .hero-btn { padding: 14px 20px; font-size: 15px; }
    .hero-feature { font-size: 11px; padding: 5px 10px; }
    .hero-stats {
        width: calc(100% + 32px);
        margin-left: -16px;
        margin-right: -16px;
    }
    .hero-stat { padding: 14px 10px; }
    .hero-stat-value { font-size: 16px; }
    .hero-stat-label { font-size: 10px; }
    .hero-visual { max-width: 260px; }
}

/* ========== 功能特性區域 ========== */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafb 100%);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    background: rgba(226, 41, 64, 0.08);
    color: #E22940;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 18px;
    color: #666666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: #ffffff;
    border-radius: 24px;
    padding: 50px;
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.03);
    transition: all 0.4s ease;
}

.feature-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.feature-card.reverse { direction: rtl; }
.feature-card.reverse > * { direction: ltr; }

.feature-content {
    display: flex;
    flex-direction: column;
}

.feature-number {
    font-size: 14px;
    font-weight: 700;
    color: #E22940;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-number::after {
    content: '';
    flex: 1;
    max-width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #E22940 0%, transparent 100%);
}

.feature-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.3;
}

.feature-desc {
    font-size: 16px;
    color: #666666;
    line-height: 1.85;
    margin-bottom: 28px;
}

.feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: #f5f7f9;
    border-radius: 8px;
    font-size: 13px;
    color: #555555;
    font-weight: 500;
}

.feature-tag svg {
    width: 14px;
    height: 14px;
    color: #E22940;
}

.feature-visual { position: relative; }

.feature-image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8eef3 100%);
}

.feature-image-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(226, 41, 64, 0.2) 0%, transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.feature-image-container img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.feature-card:hover .feature-image-container img {
    transform: scale(1.02);
}

@media (max-width: 1000px) {
    .features { padding: 80px 0; }
    .feature-card, .feature-card.reverse {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 30px;
        direction: ltr;
    }
    .feature-visual { order: -1; }
    .section-title { font-size: 32px; }
    .feature-title { font-size: 24px; }
}

@media (max-width: 600px) {
    .features { padding: 60px 0; }
    .section-header { margin-bottom: 50px; }
    .section-title { font-size: 26px; }
    .section-desc { font-size: 15px; }
    .feature-card { padding: 30px 20px; border-radius: 16px; }
    .feature-title { font-size: 20px; }
    .feature-desc { font-size: 14px; }
    .feature-highlights { gap: 8px; }
    .feature-tag { padding: 6px 10px; font-size: 12px; }
}

/* ========== 錄製模式區域 ========== */
.modes {
    padding: 120px 0;
    background: linear-gradient(180deg, #0d0d0d 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.modes::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(226, 41, 64, 0.3), transparent);
}

.modes .section-header {
    margin-bottom: 60px;
}

.modes .section-title {
    color: #ffffff;
}

.modes .section-desc {
    color: #888888;
}

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

.mode-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.mode-card:hover {
    background: rgba(226, 41, 64, 0.05);
    border-color: rgba(226, 41, 64, 0.2);
    transform: translateY(-8px);
}

.mode-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(226, 41, 64, 0.15) 0%, rgba(226, 41, 64, 0.05) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-icon svg {
    width: 32px;
    height: 32px;
    color: #E22940;
}

.mode-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.mode-desc {
    font-size: 14px;
    color: #888888;
    line-height: 1.6;
}

@media (max-width: 1000px) {
    .modes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .modes { padding: 60px 0; }
    .modes-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .mode-card { padding: 28px 20px; }
}

/* ========== 功能網格區域 ========== */
.features-list {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8fafb 0%, #ffffff 100%);
}

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

.feature-item {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
}

.feature-item:hover {
    border-color: rgba(226, 41, 64, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    transform: translateY(-6px);
}

.feature-item-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(226, 41, 64, 0.1) 0%, rgba(226, 41, 64, 0.05) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-item-icon svg,
.feature-item-icon img {
    width: 28px;
    height: 28px;
    color: #E22940;
}

.feature-item-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.feature-item-desc {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
}

@media (max-width: 1000px) {
    .features-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-list { padding: 60px 0; }
    .features-list-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .feature-item { padding: 24px 20px; }
}

/* ========== 定價區域 ========== */
.pricing {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafb 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 24px;
    padding: 48px 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transform: translateY(-6px);
}

.pricing-card.featured {
    border-color: rgba(226, 41, 64, 0.3);
    box-shadow: 0 8px 40px rgba(226, 41, 64, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #E22940 0%, #c41e35 100%);
    color: #ffffff;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.pricing-desc {
    font-size: 14px;
    color: #666666;
    margin-bottom: 32px;
}

.pricing-price {
    margin-bottom: 32px;
}

.pricing-price .amount {
    font-size: 48px;
    font-weight: 800;
    color: #E22940;
}

.pricing-price .period {
    font-size: 14px;
    color: #888888;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
    color: #555555;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    color: #E22940;
    flex-shrink: 0;
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.pricing-btn.primary {
    background: linear-gradient(135deg, #E22940 0%, #c41e35 100%);
    color: #ffffff;
    box-shadow: 0 6px 24px rgba(226, 41, 64, 0.3);
}

.pricing-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(226, 41, 64, 0.4);
}

.pricing-btn.secondary {
    background: #f5f7f9;
    color: #333333;
}

.pricing-btn.secondary:hover {
    background: #ebeef1;
}

@media (max-width: 768px) {
    .pricing { padding: 80px 0; }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .pricing-card { padding: 40px 30px; }
}

/* ========== 使用步驟區域 ========== */
.steps {
    padding: 120px 0;
    background: linear-gradient(180deg, #0d0d0d 0%, #1a1a1a 100%);
}

.steps .section-title {
    color: #ffffff;
}

.steps .section-desc {
    color: #888888;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #E22940 0%, #c41e35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.step-image {
    margin-bottom: 24px;
    border-radius: 16px;
    overflow: hidden;
}

.step-image img {
    width: 100%;
    display: block;
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 14px;
    color: #888888;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .steps { padding: 80px 0; }
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ========== 使用者評價區域 ========== */
.testimonials {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8fafb 0%, #ffffff 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 20px;
    padding: 36px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
}

.testimonial-content {
    font-size: 15px;
    color: #555555;
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-name {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
}

.testimonial-role {
    font-size: 13px;
    color: #888888;
}

@media (max-width: 768px) {
    .testimonials { padding: 80px 0; }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .testimonial-card { padding: 28px; }
}

/* ========== FAQ 區域 ========== */
.faq {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafb 100%);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(226, 41, 64, 0.15);
}

.faq-question {
    width: 100%;
    padding: 24px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    flex: 1;
    padding-right: 20px;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: #888888;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: #E22940;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 28px 24px;
    font-size: 15px;
    color: #666666;
    line-height: 1.8;
}

@media (max-width: 600px) {
    .faq { padding: 60px 0; }
    .faq-question { padding: 20px; }
    .faq-question span { font-size: 15px; }
    .faq-answer p { padding: 0 20px 20px; font-size: 14px; }
}

/* ========== CTA 區域 ========== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    text-align: center;
}

.cta-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 18px;
    color: #888888;
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #E22940 0%, #c41e35 100%);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(226, 41, 64, 0.4);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(226, 41, 64, 0.5);
}

.cta-btn svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 600px) {
    .cta { padding: 60px 0; }
    .cta-title { font-size: 26px; }
    .cta-desc { font-size: 15px; }
    .cta-btn { width: 100%; padding: 16px 32px; }
}