/* ========== CSS Reset 和基础样式 ========== */
*, *::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 主视觉区域 ========== */
.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(235, 204, 103, 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(235, 204, 103, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

/* 网格背景 */
.hero-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(235, 204, 103, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(235, 204, 103, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 0%, transparent 100%);
    mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* ========== 中心解锁动画 ========== */
.hero-unlock-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.unlock-center {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.unlock-lock {
    width: 60px;
    height: 60px;
    color: rgba(235, 204, 103, 0.6);
    animation: lock-unlock 4s ease-in-out infinite;
}

.unlock-lock svg {
    width: 100%;
    height: 100%;
}

.unlock-lock .lock-shackle {
    transform-origin: 17px 7px;
    animation: shackle-open 4s ease-in-out infinite;
}

@keyframes lock-unlock {
    0%, 20% { 
        transform: scale(1);
        filter: drop-shadow(0 0 10px rgba(235, 204, 103, 0.3));
    }
    30%, 70% { 
        transform: scale(1.1);
        filter: drop-shadow(0 0 30px rgba(235, 204, 103, 0.6));
    }
    80%, 100% { 
        transform: scale(1);
        filter: drop-shadow(0 0 10px rgba(235, 204, 103, 0.3));
    }
}

@keyframes shackle-open {
    0%, 20% { transform: rotate(0deg); }
    30%, 70% { transform: rotate(-30deg); }
    80%, 100% { transform: rotate(0deg); }
}

.unlock-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(235, 204, 103, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 20% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    30%, 70% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.5); }
    80%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
}

/* 解锁光环 */
.unlock-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.unlock-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 2px solid rgba(235, 204, 103, 0.4);
    border-radius: 50%;
    animation: ring-expand 4s ease-out infinite;
}

.unlock-ring:nth-child(1) { animation-delay: 0.3s; }
.unlock-ring:nth-child(2) { animation-delay: 0.6s; }
.unlock-ring:nth-child(3) { animation-delay: 0.9s; }

@keyframes ring-expand {
    0%, 25% { 
        width: 80px; 
        height: 80px; 
        opacity: 0;
    }
    30% {
        opacity: 0.6;
    }
    100% { 
        width: 500px; 
        height: 500px; 
        opacity: 0;
    }
}

/* ========== 飞出的文件图标 ========== */
.hero-flying-files {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.flying-file {
    position: absolute;
    width: 32px;
    height: 32px;
    color: rgba(235, 204, 103, 0.5);
    opacity: 0;
}

.flying-file svg {
    width: 100%;
    height: 100%;
}

.flying-file.file-1 {
    animation: file-fly-1 4s ease-out infinite;
}
.flying-file.file-2 {
    animation: file-fly-2 4s ease-out infinite;
}
.flying-file.file-3 {
    animation: file-fly-3 4s ease-out infinite;
}
.flying-file.file-4 {
    animation: file-fly-4 4s ease-out infinite;
}

@keyframes file-fly-1 {
    0%, 25% { transform: translate(0, 0) scale(0.5); opacity: 0; }
    35% { opacity: 0.8; }
    70% { transform: translate(-150px, -100px) scale(1); opacity: 0.6; }
    100% { transform: translate(-200px, -150px) scale(0.8); opacity: 0; }
}

@keyframes file-fly-2 {
    0%, 25% { transform: translate(0, 0) scale(0.5); opacity: 0; }
    35% { opacity: 0.8; }
    70% { transform: translate(150px, -80px) scale(1); opacity: 0.6; }
    100% { transform: translate(200px, -120px) scale(0.8); opacity: 0; }
}

@keyframes file-fly-3 {
    0%, 25% { transform: translate(0, 0) scale(0.5); opacity: 0; }
    35% { opacity: 0.8; }
    70% { transform: translate(-120px, 100px) scale(1); opacity: 0.6; }
    100% { transform: translate(-180px, 140px) scale(0.8); opacity: 0; }
}

@keyframes file-fly-4 {
    0%, 25% { transform: translate(0, 0) scale(0.5); opacity: 0; }
    35% { opacity: 0.8; }
    70% { transform: translate(130px, 90px) scale(1); opacity: 0.6; }
    100% { transform: translate(190px, 130px) scale(0.8); opacity: 0; }
}

/* ========== 浮动粒子 ========== */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(235, 204, 103, 0.6);
    border-radius: 50%;
    animation: particle-float 8s ease-in-out infinite;
}

.particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { top: 40%; left: 20%; animation-delay: 1s; width: 3px; height: 3px; }
.particle:nth-child(3) { top: 60%; left: 15%; animation-delay: 2s; }
.particle:nth-child(4) { top: 30%; right: 15%; animation-delay: 0.5s; width: 5px; height: 5px; }
.particle:nth-child(5) { top: 50%; right: 10%; animation-delay: 1.5s; }
.particle:nth-child(6) { top: 70%; right: 20%; animation-delay: 2.5s; width: 3px; height: 3px; }
.particle:nth-child(7) { top: 80%; left: 25%; animation-delay: 3s; }
.particle:nth-child(8) { top: 15%; right: 25%; animation-delay: 3.5s; width: 5px; height: 5px; }

@keyframes particle-float {
    0%, 100% { 
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    25% { 
        transform: translateY(-20px) translateX(10px);
        opacity: 0.7;
    }
    50% { 
        transform: translateY(-10px) translateX(-5px);
        opacity: 0.5;
    }
    75% { 
        transform: translateY(-25px) translateX(5px);
        opacity: 0.6;
    }
}

/* 移动端隐藏部分动画 */
@media (max-width: 768px) {
    .hero-unlock-animation { display: none; }
    .hero-flying-files { display: none; }
    .hero-particles { 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(235, 204, 103, 0.1);
    border: 1px solid rgba(235, 204, 103, 0.25);
    color: #EBCC67;
    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, #EBCC67 0%, #f5dc8a 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: #EBCC67;
    font-weight: 600;
}

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

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

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.hero-btn-primary {
    background: linear-gradient(135deg, #EBCC67 0%, #d4b85a 100%);
    color: #1a1a1a;
    box-shadow: 0 8px 30px -8px rgba(235, 204, 103, 0.5);
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px -8px rgba(235, 204, 103, 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 svg {
    width: 16px;
    height: 16px;
}

.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: #EBCC67;
    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(235, 204, 103, 0.3);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(235, 204, 103, 0.4) 0%, transparent 40%, transparent 60%, rgba(235, 204, 103, 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, #EBCC67 0%, #d4b85a 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.float-card-icon svg {
    width: 20px;
    height: 20px;
    color: #1a1a1a;
}

.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: #EBCC67;
    letter-spacing: -0.01em;
}

.hero-stat-value span {
    color: #EBCC67;
}

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

/* Hero 响应式 */
@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; }
}

/* ========== 功能特性区域 ========== */
.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(235, 204, 103, 0.08);
    color: #EBCC67;
    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: #EBCC67;
    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, #EBCC67 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: #EBCC67;
}

.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(235, 204, 103, 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; }
}

/* ========== 新功能区域 ========== */
.new-features {
    padding: 120px 0;
    background: linear-gradient(180deg, #0d0d0d 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.new-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1000px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(235, 204, 103, 0.3) 50%, transparent 100%);
}

.new-features .section-header { margin-bottom: 70px; }

.new-features .section-tag {
    background: rgba(235, 204, 103, 0.1);
    border: 1px solid rgba(235, 204, 103, 0.2);
}

.new-features .section-title { color: #ffffff; }
.new-features .section-desc { color: #888888; }

.new-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.new-feature-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.new-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(235, 204, 103, 0.3) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.new-feature-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(235, 204, 103, 0.15);
    transform: translateY(-4px);
}

.new-feature-card:hover::before { opacity: 1; }

.new-feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(235, 204, 103, 0.15) 0%, rgba(235, 204, 103, 0.05) 100%);
    border: 1px solid rgba(235, 204, 103, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.4s ease;
}

.new-feature-card:hover .new-feature-icon {
    background: linear-gradient(135deg, #EBCC67 0%, #d4b85a 100%);
    border-color: transparent;
}

.new-feature-icon svg {
    width: 30px;
    height: 30px;
    color: #EBCC67;
    transition: color 0.4s ease;
}

.new-feature-card:hover .new-feature-icon svg { color: #1a1a1a; }

.new-feature-title {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 14px;
    line-height: 1.4;
}

.new-feature-desc {
    font-size: 15px;
    color: #777777;
    line-height: 1.7;
}

@media (max-width: 900px) {
    .new-features { padding: 80px 0; }
    .new-features-grid { grid-template-columns: 1fr; gap: 16px; }
    .new-feature-card { padding: 32px; }
}

@media (max-width: 600px) {
    .new-features { padding: 60px 0; }
    .new-feature-card { text-align: center; padding: 28px 24px; }
    .new-feature-icon { margin: 0 auto 20px; }
    .new-feature-title { font-size: 20px; }
    .new-feature-desc { font-size: 14px; }
}

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

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

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.faq-item:hover {
    border-color: rgba(235, 204, 103, 0.3);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.faq-item.active {
    border-color: rgba(235, 204, 103, 0.4);
    box-shadow: 0 8px 24px rgba(235, 204, 103, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.5;
}

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

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: #EBCC67;
}

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

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

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 15px;
    color: #666666;
    line-height: 1.8;
    margin: 0;
}

/* FAQ 响应式 */
@media (max-width: 768px) {
    .faq { padding: 70px 0; }
    
    .faq-question {
        padding: 16px 20px;
    }
    
    .faq-question span {
        font-size: 15px;
    }
    
    .faq-answer p {
        padding: 0 20px 16px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .faq { padding: 50px 0; }
    
    .faq-question {
        padding: 14px 16px;
        gap: 12px;
    }
    
    .faq-question span {
        font-size: 14px;
    }
    
    .faq-question svg {
        width: 18px;
        height: 18px;
    }
    
    .faq-answer p {
        padding: 0 16px 14px;
        font-size: 13px;
        line-height: 1.7;
    }
}

/* FAQ Link Style */
.faq-link {
    color: #EBCC67;
    text-decoration: none;
    font-weight: 500;
}

.faq-link:hover {
    text-decoration: underline;
}

/* ========== CTA 区域 ========== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #EBCC67 0%, #d4b85a 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 0, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.cta-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.cta-content { flex: 1; }

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    color: #1a1a1a;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

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

.cta-title {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.cta-title span {
    color: #1a1a1a;
    text-decoration: underline;
    text-decoration-color: rgba(0, 0, 0, 0.3);
    text-underline-offset: 4px;
}

.cta-desc {
    font-size: 17px;
    color: rgba(0, 0, 0, 0.7);
    line-height: 1.7;
    max-width: 480px;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 48px;
    font-size: 17px;
    font-weight: 600;
    background: #1a1a1a;
    color: #EBCC67;
    border-radius: 14px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.cta-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    background: #000000;
}

.cta-btn svg {
    width: 22px;
    height: 22px;
}

.cta-note {
    display: flex;
    align-items: center;
    gap: 20px;
    color: rgba(0, 0, 0, 0.6);
    font-size: 13px;
}

.cta-note-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cta-note-item svg {
    width: 16px;
    height: 16px;
    color: #1a1a1a;
}

@media (max-width: 900px) {
    .cta { padding: 70px 0; }
    .cta-wrapper { flex-direction: column; text-align: center; gap: 40px; }
    .cta-content { display: flex; flex-direction: column; align-items: center; }
    .cta-desc { max-width: 100%; }
    .cta-title { font-size: 32px; }
}

@media (max-width: 480px) {
    .cta { padding: 50px 0; }
    .cta-title { font-size: 26px; }
    .cta-desc { font-size: 15px; }
    .cta-btn { width: 100%; padding: 18px 32px; font-size: 16px; }
    .cta-note { flex-direction: column; gap: 10px; }
}

/* ========== 评分区域 ========== */
.rating-section {
    padding: 60px 0;
    background: #f8fafb;
    text-align: center;
}

.rating-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
}

.rating-title {
    font-size: 18px;
    color: #666666;
    margin-bottom: 16px;
}

.rating-stars {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.rating-stars svg {
    width: 32px;
    height: 32px;
    fill: #EBCC67;
}

.rating-value {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
}

.rating-value span {
    color: #888888;
    font-weight: 400;
}

@media (max-width: 480px) {
    .rating-section { padding: 40px 0; }
    .rating-stars svg { width: 28px; height: 28px; }
    .rating-value { font-size: 20px; }
}