/* ========== 全局样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 购买按钮高亮 */
.nav-buy-btn {
    background: rgba(255, 255, 255, 0.04) !important;
    color: rgba(255, 255, 255, 0.86) !important;
    padding: 8px 14px !important;
    border-radius: 999px !important;
    font-weight: 600 !important;
    transition: all 0.25s ease !important;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-buy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16) !important;
}

.nav-agent-btn {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.24) 0%, rgba(255, 61, 104, 0.2) 100%) !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 107, 53, 0.36);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.18);
}

.nav-agent-btn:hover {
    transform: translateY(-1px);
    color: #ffffff !important;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%) !important;
}

/* Hero 购买按钮 — 大而醒目 */
.hero-buy-btn {
    display: inline-block;
    margin-top: 0;
    padding: 13px 24px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    color: #fff !important;
    font-size: 14px;
    font-weight: 700;
    border-radius: 14px;
    text-decoration: none !important;
    letter-spacing: 0.02em;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 10px 24px rgba(255, 61, 104, 0.24);
    transition: all 0.25s ease;
    -webkit-text-fill-color: #fff;
    position: relative;
    z-index: 2;
}
.hero-buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(255, 61, 104, 0.3);
    color: #fff !important;
    -webkit-text-fill-color: #fff;
}

/* ========== 用户公告 ========== */
.announcement-section {
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.5) 0%, rgba(22, 33, 62, 0.5) 100%);
    border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.announcement-card {
    max-width: 1000px;
    margin: 0 auto;
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(255, 107, 53, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.announcement-title {
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.announcement-intro {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.9;
}

.announcement-intro p {
    margin-bottom: 12px;
}

.announcement-grid {
    display: grid;
    gap: 25px;
}

.announcement-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid rgba(255, 107, 53, 0.1);
    transition: all 0.3s ease;
}

.announcement-item:hover {
    border-color: rgba(255, 107, 53, 0.3);
    background: rgba(255, 107, 53, 0.05);
    transform: translateX(5px);
}

.announcement-number {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: #ff6b35;
    background: rgba(255, 107, 53, 0.15);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.announcement-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.announcement-item p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
}

.announcement-highlight {
    background: rgba(255, 107, 53, 0.12);
    border-left: 3px solid #ff6b35;
    padding: 15px 18px;
    border-radius: 0 8px 8px 0;
    margin-top: 15px;
    font-size: 14px;
    line-height: 1.7;
}

.announcement-highlight strong {
    color: #ff6b35;
}

.announcement-footer {
    margin-top: 35px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.announcement-footer p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 15px;
    opacity: 0.9;
}

.announcement-signature {
    font-style: italic;
    color: #ff6b35;
    font-size: 16px;
    margin-top: 20px !important;
    font-weight: 500;
}

/* 为主内容预留空间，避开固定的导航栏 */
body {
    padding-top: 60px;
}

:root {
    /* 科技感橙红主题 */
    --primary-color: #ff6b35;
    --primary-dark: #e85d2a;
    --secondary-color: #ff3d68;
    --accent-color: #ff9500;
    --bg-color: #0a0a0f;
    --card-bg: #12121a;
    --text-color: #ffffff;
    --text-light: #a0a0b0;
    --border-color: #2a2a3e;
    --shadow: 0 8px 32px rgba(255, 107, 53, 0.15);
    --shadow-hover: 0 15px 60px rgba(255, 107, 53, 0.3);
    --glow: 0 0 40px rgba(255, 107, 53, 0.5);
    
    /* 背景 */
    --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    --card-gradient: linear-gradient(135deg, #12121a 0%, #1a1a25 100%);
    
    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 深色主题 - 科技感橙红 */
[data-theme="dark"] {
    --primary-color: #ff6b35;
    --primary-dark: #e85d2a;
    --secondary-color: #ff3d68;
    --accent-color: #ff9500;
    --bg-color: #050508;
    --card-bg: #0f0f16;
    --text-color: #ffffff;
    --text-light: #808090;
    --border-color: #252538;
    --shadow: 0 10px 40px rgba(255, 107, 53, 0.2);
    --shadow-hover: 0 20px 70px rgba(255, 107, 53, 0.35);
    --glow: 0 0 50px rgba(255, 107, 53, 0.6);
    
    --bg-gradient: linear-gradient(135deg, #050508 0%, #0f0f1a 50%, #1a1a2e 100%);
    --card-gradient: linear-gradient(135deg, #0f0f16 0%, #151520 100%);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.7;
    letter-spacing: -0.01em;
    color: var(--text-color);
    line-height: 1.47059;
    letter-spacing: -0.022em;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition-slow), color var(--transition-normal);
}

img, pre, code {
    max-width: 100%;
}

/* ========== 导航栏 ========== */
.navbar {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 107, 53, 0.15);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .navbar {
    background: rgba(5, 5, 8, 0.9);
    border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    letter-spacing: -0.03em;
    transition: all var(--transition-normal);
    filter: drop-shadow(0 0 20px rgba(255, 107, 53, 0.4));
}

.logo:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.6));
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    padding: 6px 14px;
    border-radius: 20px;
    white-space: nowrap;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 61, 104, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.nav-links a:hover {
    color: var(--primary-color);
    background: rgba(255, 107, 53, 0.1);
}

.nav-links a.active {
    color: #ffffff;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

/* ========== 头部 Hero ========== */
.hero {
    padding: 180px 20px 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, rgba(255, 61, 104, 0.05) 40%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
    50% { transform: scale(1.1) rotate(5deg); opacity: 0.8; }
}

.hero-content {
    max-width: 980px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.07143;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #ff6b35 50%, #ff3d68 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    word-wrap: break-word;
    filter: drop-shadow(0 0 40px rgba(255, 107, 53, 0.3));
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.3)); }
    50% { filter: drop-shadow(0 0 50px rgba(255, 107, 53, 0.5)); }
}

@media (min-width: 768px) {
    .hero-content h1 {
        letter-spacing: -0.03em;
    }
}

.hero-content .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, #a0a0b0 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 30px;
    padding: 0 10px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 0 10px;
}

.tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(255, 61, 104, 0.15) 100%);
    color: #ff6b35;
    padding: 8px 18px;
    border-radius: 980px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    white-space: nowrap;
    border: 1px solid rgba(255, 107, 53, 0.3);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.tag:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

/* ========== 主容器 ========== */
.main-container {
    width: 100%;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* ========== 教程章节 ========== */
.tutorial-section {
    max-width: 980px;
    margin: 0 auto 60px;
    padding: 0 20px;
    position: relative;
    scroll-margin-top: 60px;
}

.tutorial-section h2 {
    max-width: 980px;
    margin: 0 auto 10px;
    padding: 0 20px;
}

.tutorial-section .section-subtitle,
.tutorial-section .tutorial-grid,
.tutorial-section .faq-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
}

.tutorial-section h2,
.tutorial-section .section-subtitle,
.tutorial-section .tutorial-grid,
.tutorial-section .faq-container {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: block;
    filter: drop-shadow(0 4px 15px rgba(255, 107, 53, 0.4));
    animation: float 3s ease-in-out infinite;
}

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

.tutorial-section h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #ff6b35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    word-wrap: break-word;
}

.section-subtitle {
    color: var(--text-light);
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 35px;
}

/* ========== 教程网格 ========== */
.tutorial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 25px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tutorial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

.tutorial-card {
    background: var(--card-gradient);
    border-radius: 24px;
    padding: 35px;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 107, 53, 0.15);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.tutorial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff3d68 50%, #ff6b35 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tutorial-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: rgba(255, 107, 53, 0.3);
}

.tutorial-card:hover::before {
    opacity: 1;
}

.tutorial-card.full-width {
    grid-column: 1 / -1;
}

.tutorial-card h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.6rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 18px;
    word-wrap: break-word;
}

.tutorial-card h4 {
    color: #ff6b35;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.tutorial-card p {
    color: var(--text-light);
    margin-bottom: 14px;
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 400;
}

.tutorial-card ul, 
.tutorial-card ol {
    margin-left: 20px;
    color: var(--text-light);
    font-size: 1rem;
    overflow-x: auto;
}

.tutorial-card li {
    margin-bottom: 8px;
    word-wrap: break-word;
}

.tutorial-card a {
    color: #ff6b35;
    word-break: break-word;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 107, 53, 0.3);
    transition: all var(--transition-fast);
}

.tutorial-card a:hover {
    color: #ff3d68;
    border-bottom-color: #ff3d68;
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
}

.guide-download-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-color: rgba(255, 149, 0, 0.45);
    background:
        radial-gradient(circle at top right, rgba(255, 149, 0, 0.18), transparent 34%),
        linear-gradient(135deg, rgba(255, 107, 53, 0.13) 0%, rgba(255, 61, 104, 0.08) 45%, rgba(18, 18, 26, 0.98) 100%);
}

.guide-download-card::before {
    opacity: 1;
}

.guide-download-copy {
    min-width: 0;
}

.guide-download-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    padding: 5px 12px;
    border-radius: 999px;
    color: #fff4e8;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.36) 0%, rgba(255, 149, 0, 0.26) 100%);
    border: 1px solid rgba(255, 149, 0, 0.34);
}

.guide-download-card h3 {
    margin-bottom: 10px;
}

.guide-download-card p {
    max-width: 760px;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.82);
}

.guide-download-btn {
    flex: 0 0 auto;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 190px;
    padding: 15px 22px;
    border-radius: 14px;
    text-decoration: none !important;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    box-shadow: 0 14px 30px rgba(255, 61, 104, 0.26);
    transition: all var(--transition-normal);
}

.guide-download-btn:hover {
    transform: translateY(-2px);
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.28) !important;
    box-shadow: 0 18px 36px rgba(255, 61, 104, 0.34) !important;
}

.guide-download-btn-main {
    font-size: 0.98rem;
    font-weight: 800;
    line-height: 1.2;
}

.guide-download-btn-sub {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.78rem;
    font-weight: 600;
}

/* ========== 代码块 ========== */
pre, .code-block {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #e0e0e0;
    padding: 28px;
    border-radius: 16px;
    overflow-x: auto;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 20px 0;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
    border: 1px solid rgba(255, 107, 53, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), inset 0 0 60px rgba(255, 107, 53, 0.05);
    position: relative;
}

pre::before, .code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 107, 53, 0.4) 50%, transparent 100%);
}

.code-block {
    padding: 28px;
}

.code-block code,
pre code {
    color: #e0e0e0;
    white-space: pre;
    word-wrap: normal;
    word-break: normal;
    font-family: inherit;
}

.output {
    background: linear-gradient(135deg, #0f0f16 0%, #1a1a25 100%);
    border-left: 3px solid #ff6b35;
}

[data-theme="dark"] pre,
[data-theme="dark"] .code-block {
    background: linear-gradient(135deg, #0a0a0f 0%, #0f0f16 100%);
}

/* ========== 步骤列表 ========== */
.step-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.step-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.step-number {
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    color: white;
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4), 0 0 20px rgba(255, 107, 53, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-content h4 {
    margin-bottom: 8px;
}

/* ========== 通知框 ========== */
.notification-box {
    background: linear-gradient(135deg, rgba(15, 15, 22, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 16px;
    padding: 24px;
    margin: 30px 0 40px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), inset 0 0 40px rgba(255, 107, 53, 0.05);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.notification-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 107, 53, 0.6) 50%, transparent 100%);
}

.notification-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.notification-icon {
    font-size: 1.5rem;
}

.notification-header strong {
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.notification-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.notification-item h4 {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.notification-item ul {
    margin-left: 20px;
    color: var(--text-light);
}

.notification-item li {
    margin-bottom: 6px;
}

.notification-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.notification-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px rgba(255, 107, 53, 0.4));
}

.notification-header strong {
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.2rem;
    font-weight: 700;
}

.notification-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.notification-item h4 {
    color: #ff6b35;
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.notification-item ul {
    margin-left: 20px;
    color: var(--text-light);
}

.notification-item li {
    margin-bottom: 8px;
}

/* ========== 代码块包装器 ========== */
.code-wrapper {
    position: relative;
    margin: 20px 0;
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(255, 61, 104, 0.15) 100%);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 8px;
    color: #ff6b35;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.copy-btn:hover {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.25) 0%, rgba(255, 61, 104, 0.25) 100%);
    border-color: rgba(255, 107, 53, 0.5);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    transform: translateY(-2px);
}

.copy-btn.copied {
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.2) 0%, rgba(48, 209, 88, 0.2) 100%);
    border-color: rgba(52, 199, 89, 0.4);
    color: #30d158;
}

.copy-btn svg {
    width: 14px;
    height: 14px;
}

.copy-btn span {
    white-space: nowrap;
}

/* ========== 信息框和注释 ========== */
.info-box {
    background: linear-gradient(135deg, rgba(15, 15, 22, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    border: 1px solid rgba(0, 113, 227, 0.3);
    border-left: 3px solid #0071e3;
    padding: 20px 24px;
    border-radius: 14px;
    margin-top: 20px;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.info-box strong {
    color: #0071e3;
    font-weight: 600;
}

.note {
    background: linear-gradient(135deg, rgba(15, 15, 22, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    border: 1px solid rgba(255, 45, 85, 0.3);
    border-left: 3px solid #ff2d55;
    padding: 20px 24px;
    border-radius: 14px;
    margin-top: 20px;
    color: var(--text-color);
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

/* ========== OS 标签页 ========== */
.os-tabs {
    display: grid;
    gap: 15px;
    width: 100%;
}

.tab-content {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.tab-content h4 {
    margin-bottom: 12px;
    color: var(--primary-color);
    font-size: 1rem;
}

/* ========== 常见问题 ========== */
.faq-container {
    margin-top: 25px;
}

.faq-item {
    background: linear-gradient(135deg, rgba(15, 15, 22, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 107, 53, 0.2);
    transition: all var(--transition-fast);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.faq-item:hover {
    border-color: rgba(255, 107, 53, 0.5);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.2);
    transform: translateY(-2px);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.faq-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.faq-question h4 {
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.05rem;
    font-weight: 600;
    word-wrap: break-word;
}

.faq-answer {
    color: var(--text-light);
    padding-left: 36px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.faq-answer ul, 
.faq-answer ol {
    margin-left: 20px;
}

.faq-answer li {
    margin-bottom: 6px;
    word-wrap: break-word;
}

.faq-answer pre {
    margin-top: 10px;
}

.faq-answer code {
    word-break: break-all;
}

/* ========== 回到顶部按钮 ========== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4), 0 0 30px rgba(255, 107, 53, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}



/* ========== 常见问题动画 ========== */
.faq-item {
    cursor: pointer;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 36px;
}

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

.faq-item.active {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 61, 104, 0.1) 100%);
    border-color: rgba(255, 107, 53, 0.5);
}

.faq-icon {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* ========== 页脚 ========== */
.footer {
    background: linear-gradient(135deg, rgba(5, 5, 8, 0.95) 0%, rgba(15, 15, 22, 0.95) 100%);
    border-top: 1px solid rgba(255, 107, 53, 0.2);
    padding: 40px 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.footer p {
    font-size: 0.85rem;
}

.footer a {
    color: #ff6b35;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer a:hover {
    color: #ff3d68;
    text-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}

/* ========== 深色模式切换按钮 ========== */
.theme-toggle {
    position: fixed;
    top: 72px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(15, 15, 22, 0.9) 0%, rgba(26, 26, 46, 0.9) 100%);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 50%;
    color: #ff6b35;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 107, 53, 0.2);
    z-index: 999;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2) 0%, rgba(255, 61, 104, 0.2) 100%);
    border-color: rgba(255, 107, 53, 0.6);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4), 0 0 30px rgba(255, 107, 53, 0.3);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* ========== 响应式 - 平板 (768px) ========== */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 12px;
        padding: 12px 20px;
    }

    .nav-links {
        gap: 12px;
        justify-content: center;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .theme-toggle {
        top: 72px;
        right: 20px;
        width: 40px;
        height: 40px;
    }

    .hero {
        padding: 140px 20px 60px;
    }

    .tutorial-section {
        padding: 0 15px;
        margin-bottom: 40px;
    }

    .tutorial-card {
        padding: 24px;
    }

    .hero-content h1 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .hero-content .subtitle {
        font-size: clamp(1rem, 3vw, 1.2rem);
    }

    .hero-buy-btn {
        padding: 14px 32px;
        font-size: 16px;
    }

    .tag {
        padding: 5px 12px;
        font-size: 0.8rem;
    }

    .tutorial-section h2 {
        font-size: clamp(1.5rem, 4vw, 1.8rem);
    }

    .tutorial-grid {
        gap: 15px;
    }

    .guide-download-card {
        align-items: stretch;
        flex-direction: column;
    }

    .guide-download-btn {
        width: 100%;
    }

    .tutorial-card {
        padding: 18px;
    }

    .tutorial-card h3 {
        font-size: 1.1rem;
    }

    .main-container {
        padding: 0 15px 30px;
    }

    .faq-answer {
        padding-left: 30px;
    }
}

/* ========== 响应式 - 手机 (480px) ========== */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .nav-content {
        padding: 10px 16px;
    }

    .logo {
        font-size: 1.1rem;
        text-align: center;
    }

    .theme-toggle {
        top: 68px;
        right: 16px;
        width: 36px;
        height: 36px;
    }

    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }

    .hero {
        padding: 120px 16px 50px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content .subtitle {
        font-size: 1.1rem;
    }

    .hero-buy-btn {
        padding: 12px 28px;
        font-size: 15px;
        letter-spacing: 0.5px;
    }

    .tutorial-section {
        padding: 0 16px;
    }

    .tutorial-card {
        padding: 20px;
    }
}

/* ========== 官网新版首页覆盖样式（2026-04-01） ========== */
.hero.hero-ai {
    padding: 102px 20px 42px;
    min-height: auto;
}

.hero.hero-ai::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 107, 53, 0.16) 0%, transparent 28%),
        radial-gradient(circle at 80% 10%, rgba(255, 61, 104, 0.12) 0%, transparent 22%),
        radial-gradient(circle at 50% 85%, rgba(255, 149, 0, 0.08) 0%, transparent 30%);
    animation: none;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 90%);
    pointer-events: none;
    opacity: 0.28;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.18) 0%, rgba(255, 61, 104, 0.18) 100%);
    border: 1px solid rgba(255, 107, 53, 0.28);
    color: #ffd4c7;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 18px;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.12);
}

.hero-pills {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.hero-secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 148px;
    padding: 13px 22px;
    border-radius: 14px;
    text-decoration: none;
    color: #f4f7ff;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.hero-secondary-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 107, 53, 0.35);
    background: rgba(255, 107, 53, 0.08);
    color: #ffffff;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    max-width: 900px;
    margin: 24px auto 0;
}

.hero-stat {
    padding: 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(18, 18, 26, 0.78) 0%, rgba(26, 26, 38, 0.72) 100%);
    border: 1px solid rgba(255, 107, 53, 0.12);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16);
    text-align: left;
}

.hero-stat strong {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 6px;
}

.hero-stat span {
    display: block;
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.6;
}

.focus-strip {
    max-width: 1120px;
    margin: 0 auto 48px;
    padding: 0 20px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 18px;
    align-items: stretch;
}

.agent-entry-section {
    max-width: 1120px;
    margin: 0 auto 48px;
    padding: 0 20px;
}

.agent-entry-card {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.7fr) auto;
    gap: 22px;
    align-items: center;
    padding: 28px;
    border-radius: 28px;
    background:
        radial-gradient(circle at top left, rgba(255, 149, 0, 0.22), transparent 32%),
        radial-gradient(circle at bottom right, rgba(255, 61, 104, 0.18), transparent 32%),
        linear-gradient(135deg, rgba(30, 18, 18, 0.92) 0%, rgba(18, 18, 30, 0.9) 100%);
    border: 1px solid rgba(255, 149, 0, 0.28);
    box-shadow: 0 22px 64px rgba(0, 0, 0, 0.28), 0 0 40px rgba(255, 107, 53, 0.12);
    position: relative;
    overflow: hidden;
}

.agent-entry-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 82%);
    pointer-events: none;
}

.agent-entry-copy,
.agent-entry-points,
.agent-entry-btn {
    position: relative;
    z-index: 1;
}

.agent-entry-copy h2 {
    color: #ffffff;
    font-size: clamp(1.55rem, 3vw, 2.15rem);
    line-height: 1.18;
    margin-bottom: 12px;
}

.agent-entry-copy p {
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.8;
    font-size: 0.98rem;
}

.agent-entry-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.agent-entry-points span {
    padding: 12px 14px;
    border-radius: 16px;
    color: #fff4e8;
    font-size: 0.88rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.09);
}

.agent-entry-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
    padding: 14px 18px;
    border-radius: 16px;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    box-shadow: 0 14px 32px rgba(255, 61, 104, 0.28);
    transition: all var(--transition-normal);
}

.agent-entry-btn:hover {
    transform: translateY(-2px);
    color: #ffffff;
    box-shadow: 0 18px 38px rgba(255, 61, 104, 0.38);
}

.focus-card,
.focus-metric,
.cta-panel {
    background: linear-gradient(135deg, rgba(18, 18, 26, 0.82) 0%, rgba(22, 22, 34, 0.78) 100%);
    border: 1px solid rgba(255, 107, 53, 0.12);
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.24);
}

.focus-card {
    border-radius: 24px;
    padding: 26px;
}

.focus-label,
.cta-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(255, 107, 53, 0.12);
    color: #ffb097;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.focus-card h2,
.cta-copy h2 {
    font-size: clamp(1.55rem, 2.8vw, 2rem);
    font-weight: 800;
    line-height: 1.2;
    color: #ffffff;
    margin-bottom: 12px;
}

.focus-card p,
.cta-copy p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

.focus-grid {
    display: grid;
    gap: 18px;
}

.focus-metric {
    border-radius: 20px;
    padding: 20px;
}

.metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.metric-label {
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.7;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.benefit-card p {
    margin-bottom: 0;
}

.step-flow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.step-flow-card {
    position: relative;
    padding-top: 60px;
}

.step-bubble {
    position: absolute;
    top: 22px;
    left: 24px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6b35 0%, #ff3d68 100%);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 800;
    box-shadow: 0 8px 18px rgba(255, 107, 53, 0.28);
}

.cta-panel {
    max-width: 1120px;
    margin: 0 auto 56px;
    padding: 26px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.cta-copy {
    flex: 1;
    min-width: 0;
}

.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 14px;
}

.faq-icon {
    width: 26px;
    height: 26px;
    min-width: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.12);
    color: #ff8d67;
    font-size: 0.9rem;
    font-weight: 700;
}

.faq-answer a {
    color: #ff9a78;
}

.fade-in-section {
    opacity: 1;
}

@media (max-width: 768px) {
    .hero.hero-ai {
        padding-top: 94px;
        padding-bottom: 34px;
    }

    .hero-badge {
        font-size: 0.68rem;
        letter-spacing: 0.08em;
    }

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

    .hero-stats,
    .focus-strip,
    .agent-entry-card,
    .benefit-grid,
    .step-flow-grid {
        grid-template-columns: 1fr;
    }

    .focus-card,
    .cta-panel {
        padding: 20px;
    }

    .agent-entry-card {
        padding: 22px;
    }

    .agent-entry-points {
        grid-template-columns: 1fr;
    }

    .agent-entry-btn {
        width: 100%;
    }

    .cta-panel {
        flex-direction: column;
        align-items: flex-start;
        margin: 0 20px 54px;
    }

    .cta-actions {
        width: 100%;
        justify-content: stretch;
        flex-direction: column;
    }

    .cta-actions .hero-buy-btn,
    .cta-actions .hero-secondary-btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .focus-strip {
        padding: 0 16px;
    }

    .agent-entry-section {
        padding: 0 16px;
    }

    .focus-card,
    .focus-metric,
    .hero-stat {
        border-radius: 20px;
    }

    .step-bubble {
        left: 24px;
    }
}