/* Claude.Asia - 暗金风格 (dark gold) */

:root {
    --bg-deep: #0b0b0d;
    --bg-charcoal: #121214;
    --bg-elevated: #1a1a1f;
    --bg-card: #16161a;
    --bg-card-hover: #1e1e24;
    --bg-muted: #141418;
    --gold: #c9a227;
    --gold-bright: #d4af37;
    --gold-soft: #e8d48b;
    --gold-dim: #8a7320;
    --gold-glow: rgba(var(--gold-rgb), 0.35);
    --gold-border: rgba(var(--gold-rgb), 0.35);
    --gold-border-strong: rgba(var(--gold-bright-rgb), 0.55);
    --text-primary: #f2efe6;
    --text-secondary: #b8b0a0;
    --text-muted: #8a8378;
    --danger: #ef4444;
    --success: #22c55e;
    --warn-bg: rgba(var(--gold-rgb), 0.12);
    --warn-border: rgba(var(--gold-rgb), 0.45);
    --warn-text: #e8d48b;
    --warn-title: #f0d878;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-gold: 0 8px 28px rgba(var(--gold-rgb), 0.12);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
    --nav-bg: rgba(11, 11, 13, 0.92);
    --hero-glow: rgba(var(--gold-rgb), 0.18);
    --hero-bg: linear-gradient(165deg, #121214 0%, #0b0b0d 55%, #14120c 100%);
    --final-cta-glow: rgba(var(--gold-rgb), 0.2);
    --final-cta-bg: linear-gradient(165deg, #16140e 0%, #0b0b0d 100%);
    --footer-bg: #080809;
    --code-bg: #0a0a0c;
    --pain-bg: #1a1010;
    --case-study-mid: #16140e;
    --desktop-glow: rgba(var(--gold-rgb), 0.14);
    --desktop-bg: linear-gradient(165deg, #14120c 0%, #0f0e0a 100%);
    --desktop-card-bg: rgba(22, 22, 26, 0.9);
    --comparison-header-bg: linear-gradient(135deg, #2a2410 0%, #1a160c 100%);
    --on-gold: #1a1408;
    --gold-rgb: 201, 162, 39;
    --gold-bright-rgb: 212, 175, 55;
    --cta-primary-bg: linear-gradient(135deg, #d4af37 0%, #c9a227 55%, #a8861f 100%);
    --cta-primary-bg-simple: linear-gradient(135deg, #d4af37 0%, #c9a227 100%);
    --shadow-deep: 0 20px 40px rgba(0, 0, 0, 0.5);
    --shadow-soft: 0 15px 35px rgba(0, 0, 0, 0.5);
    --shadow-warn: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(var(--gold-rgb), 0.08);
    --toggle-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

html {
    color-scheme: dark;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg-deep: #f6f1e4;
    --bg-charcoal: #efe8d6;
    --bg-elevated: #fffdf6;
    --bg-card: #ffffff;
    --bg-card-hover: #fff9ec;
    --bg-muted: #f3edd9;
    --gold: #9a7b16;
    --gold-bright: #8a6d10;
    --gold-soft: #7a6414;
    --gold-dim: #6b5810;
    --gold-glow: rgba(154, 123, 22, 0.28);
    --gold-border: rgba(154, 123, 22, 0.32);
    --gold-border-strong: rgba(138, 109, 16, 0.5);
    --text-primary: #1c1914;
    --text-secondary: #4a453c;
    --text-muted: #6f685c;
    --danger: #b91c1c;
    --success: #15803d;
    --warn-bg: rgba(154, 123, 22, 0.12);
    --warn-border: rgba(154, 123, 22, 0.4);
    --warn-text: #6b5810;
    --warn-title: #5c4a0c;
    --shadow-gold: 0 8px 28px rgba(154, 123, 22, 0.12);
    --shadow-card: 0 10px 28px rgba(80, 60, 20, 0.1);
    --nav-bg: rgba(255, 253, 246, 0.92);
    --hero-glow: rgba(154, 123, 22, 0.12);
    --hero-bg: linear-gradient(165deg, #f6f1e4 0%, #efe8d6 55%, #f3edd9 100%);
    --final-cta-glow: rgba(154, 123, 22, 0.14);
    --final-cta-bg: linear-gradient(165deg, #f3edd9 0%, #efe8d6 100%);
    --footer-bg: #e9e0c8;
    --code-bg: #f3edd9;
    --pain-bg: #f7eee6;
    --case-study-mid: #f3edd9;
    --desktop-glow: rgba(154, 123, 22, 0.1);
    --desktop-bg: linear-gradient(165deg, #f6f1e4 0%, #efe8d6 100%);
    --desktop-card-bg: rgba(255, 253, 246, 0.94);
    --comparison-header-bg: linear-gradient(135deg, #efe3bf 0%, #e8d9a8 100%);
    --on-gold: #fffdf6;
    --gold-rgb: 154, 123, 22;
    --gold-bright-rgb: 138, 109, 16;
    --cta-primary-bg: linear-gradient(135deg, #b08d20 0%, #9a7b16 55%, #8a6d10 100%);
    --cta-primary-bg-simple: linear-gradient(135deg, #b08d20 0%, #9a7b16 100%);
    --shadow-deep: 0 20px 40px rgba(80, 60, 20, 0.12);
    --shadow-soft: 0 15px 35px rgba(80, 60, 20, 0.1);
    --shadow-warn: 0 10px 30px rgba(80, 60, 20, 0.1), 0 0 20px rgba(154, 123, 22, 0.08);
    --toggle-shadow: 0 2px 8px rgba(80, 60, 20, 0.08);
}

/* 导航右侧：日期 / 昼夜切换 / 语言 */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid var(--gold-border);
    border-radius: 8px;
    background: var(--bg-elevated);
    color: var(--gold-soft);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--toggle-shadow);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--gold-border-strong);
}

.theme-toggle:focus-visible {
    outline: none;
    border-color: var(--gold-bright);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

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

.nav-meta {
    color: var(--text-muted);
    font-size: 0.88rem;
    white-space: nowrap;
}


/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-deep);
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--gold-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gold-bright);
}

.nav-logo img {
    width: 28px;
    height: 28px;
    display: block;
    flex-shrink: 0;
    object-fit: contain;
}

html[data-theme="dark"] .nav-logo img {
    filter: invert(1);
}

.language-selector-container {
    position: relative;
}

/* 调整hero部分，为固定导航栏留出空间 */
.hero {
    margin-top: 60px;
}

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

/* Hero Section */
.hero {
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, var(--hero-glow), transparent 55%),
        var(--hero-bg);
    color: var(--text-primary);
    padding: 72px 0 88px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle, rgba(var(--gold-rgb), 0.16) 1.2px, transparent 1.2px);
    background-size: 20px 20px;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(var(--gold-rgb), 0.15);
    border: 2px solid var(--gold-border-strong);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--gold-soft);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(1.85rem, 4.5vw, 3.1rem);
    font-weight: 800;
    margin-bottom: 18px;
    line-height: 1.25;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    color: var(--text-primary);
}

.hero-title-main {
    display: block;
}

.hero-title-accent {
    display: block;
    font-size: 0.72em;
    font-weight: 700;
    color: var(--gold-bright);
    text-shadow: 0 0 24px var(--gold-glow);
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 28px;
    color: var(--text-secondary);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.feature-tag {
    background: rgba(var(--gold-rgb), 0.1);
    border: 1px solid var(--gold-border);
    border-radius: 25px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gold-soft);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    align-items: center;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    will-change: transform;
}

.cta-button.primary {
    background: var(--cta-primary-bg);
    color: var(--on-gold);
    box-shadow: 0 4px 18px var(--gold-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(var(--gold-bright-rgb), 0.45);
}

.cta-button.secondary {
    background: rgba(var(--gold-rgb), 0.08);
    color: var(--gold-soft);
    border: 2px solid var(--gold-border-strong);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(var(--gold-rgb), 0.18);
    transform: translateY(-2px);
}

.cta-button.ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px dashed var(--gold-border);
    font-size: 0.98rem;
    padding: 12px 22px;
}

.cta-button.ghost:hover {
    background: rgba(var(--gold-rgb), 0.1);
    border-style: solid;
    color: var(--gold-soft);
    transform: translateY(-1px);
}

.cta-button.large {
    padding: 18px 40px;
    font-size: 1.2rem;
}

/* 语言选择器：放在导航右侧集群里，不再绝对定位到角落 */
.language-selector {
    position: relative;
    top: auto;
    right: auto;
    z-index: 2;
}

.language-select {
    height: 40px;
    padding: 8px 14px;
    border: 2px solid var(--gold-border);
    border-radius: 8px;
    background: var(--bg-elevated);
    color: var(--gold-soft);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    box-shadow: var(--toggle-shadow);
}

.language-select:hover {
    background: var(--bg-card-hover);
    border-color: var(--gold-border-strong);
}

.language-select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

/* Sections */
section {
    padding: 80px 0;
}

section:nth-child(even) {
    background: var(--bg-charcoal);
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
}

/* Experience Section */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.experience-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: 1px solid var(--gold-border);
    will-change: transform;
}

.experience-card.highlight {
    border-color: var(--gold-bright);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(var(--gold-rgb), 0.12) 0%, var(--bg-card) 100%);
    box-shadow: var(--shadow-gold);
}

.experience-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-deep), 0 0 0 1px var(--gold-border-strong);
}

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gold-bright);
}

.price-period {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 500;
}

.feature-list {
    list-style: none;
    margin-bottom: 30px;
}

.feature-list li {
    padding: 12px 0;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(var(--gold-rgb), 0.12);
}

.feature-list li:last-child {
    border-bottom: none;
}

.plan-button {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--gold-border);
}

.plan-button.featured {
    background: var(--cta-primary-bg-simple);
    color: var(--on-gold);
    box-shadow: 0 4px 15px var(--gold-glow);
    border: none;
}

.plan-button:hover {
    transform: translateY(-2px);
}

/* Ensure link buttons behave like buttons */
a.plan-button, a.cta-button {
    text-decoration: none;
    display: inline-block;
}

a.plan-button {
    text-align: center;
}

/* Comparison Section */
.comparison {
    background: var(--bg-charcoal);
}

/* Release Gallery Section */
.release-gallery {
    background: var(--bg-deep);
}

.gallery-desc {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 760px;
    margin: -20px auto 40px;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.screenshot-card {
    background: var(--bg-card);
    border: 1px solid var(--gold-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.screenshot-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: contain;
    background: var(--bg-muted);
}

.screenshot-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    aspect-ratio: 16 / 10;
    padding: 24px;
    text-align: center;
    background: var(--bg-muted);
}

.screenshot-link-card span {
    color: var(--text-muted);
    font-weight: 600;
}

.screenshot-link-card a {
    color: var(--gold-bright);
    font-weight: 700;
    text-decoration: none;
    word-break: break-word;
}

.screenshot-link-card a:hover {
    text-decoration: underline;
}

.screenshot-card figcaption {
    padding: 14px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-top: 1px solid var(--gold-border);
}

.comparison-desc {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.comparison-table {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--gold-border);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    background: var(--comparison-header-bg);
    color: var(--gold-soft);
    font-weight: 600;
    padding: 20px;
    border-bottom: 1px solid var(--gold-border-strong);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    padding: 20px;
    border-bottom: 1px solid rgba(var(--gold-rgb), 0.12);
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.comparison-row:hover {
    background: rgba(var(--gold-rgb), 0.06);
}

.comparison-row.winner {
    background: rgba(var(--gold-rgb), 0.1);
    border-left: 4px solid var(--gold-bright);
}

.model-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.crown {
    font-size: 1.2rem;
}

.result.success {
    color: var(--success);
    font-weight: 600;
}

.result.failed {
    color: var(--danger);
    font-weight: 600;
}

/* Advantages Section */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: 1px solid var(--gold-border);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-soft), 0 0 24px var(--gold-glow);
    border-color: var(--gold-border-strong);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.advantage-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-soft);
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Pain Points Section */
.pain-points {
    background: var(--pain-bg);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.pain-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--danger);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-left-width: 4px;
    color: var(--text-secondary);
}

.pain-icon {
    font-size: 2rem;
}

/* Solutions Section */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.solution-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: 1px solid var(--gold-border);
    border-left: 4px solid var(--gold-bright);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft), 0 0 20px var(--gold-glow);
}

.solution-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-soft);
}

.solution-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Case Study Section */
.case-study {
    background: linear-gradient(135deg, var(--bg-charcoal) 0%, var(--case-study-mid) 100%);
}

.case-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.case-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.case-result {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid var(--gold-border);
}

.case-icon {
    font-size: 2rem;
}

.case-conclusion {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gold-bright);
    font-style: italic;
}

/* FAQ Section */
.faq {
    background: var(--bg-charcoal);
}

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

.faq-item {
    background: var(--bg-card);
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gold-border);
}

.faq-question {
    padding: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold-soft);
    background: linear-gradient(135deg, rgba(var(--gold-rgb), 0.08) 0%, var(--bg-card) 100%);
}

.faq-answer {
    padding: 25px;
    color: var(--text-secondary);
    line-height: 1.7;
    border-top: 1px solid rgba(var(--gold-rgb), 0.12);
}

/* Contact Section */
.contact {
    background: var(--bg-deep);
}

.contact p {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid var(--gold-border);
}

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

a.contact-item {
    text-decoration: none;
    color: inherit;
    transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

a.contact-item:hover {
    border-color: var(--gold-border-strong);
    color: var(--gold-soft);
    transform: translateY(-2px);
}

/* Final CTA Section */
.final-cta {
    background:
        radial-gradient(ellipse 70% 80% at 50% 100%, var(--final-cta-glow), transparent 60%),
        var(--final-cta-bg);
    color: var(--text-primary);
    text-align: center;
    border-top: 1px solid var(--gold-border);
}

.final-cta h2 {
    color: var(--gold-soft);
    margin-bottom: 20px;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

/* Footer */
.footer {
    background: var(--footer-bg);
    color: var(--text-secondary);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--gold-border);
}

.footer p {
    margin-bottom: 20px;
    opacity: 0.85;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: var(--gold-soft);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* Status alert banner (普号下线) */
.status-alert {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    text-align: left;
    max-width: 720px;
    margin: 0 auto 28px;
    padding: 16px 18px;
    border-radius: 14px;
    background: var(--warn-bg);
    color: var(--warn-text);
    border: 1px solid var(--warn-border);
    box-shadow: var(--shadow-warn);
}

.status-alert-icon {
    font-size: 1.4rem;
    line-height: 1.2;
    flex-shrink: 0;
}

.status-alert-title {
    display: block;
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 4px;
    color: var(--warn-title);
}

.status-alert-text {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--warn-text);
    opacity: 0.95;
}

.feature-tag-warn {
    background: rgba(var(--gold-rgb), 0.18);
    border-color: rgba(var(--gold-rgb), 0.5);
}

.feature-tag-new,
.feature-tag-fable {
    background: rgba(var(--gold-rgb), 0.14);
    border-color: rgba(var(--gold-bright-rgb), 0.45);
}

/* Fable highlight card */
.fable-highlight {
    padding: 28px 0 10px;
    background: var(--bg-deep);
}

.fable-card {
    background: var(--bg-card);
    border: 1px solid var(--gold-border-strong);
    border-radius: 18px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-gold), var(--shadow-card);
}

.fable-card-badge {
    display: inline-block;
    background: var(--cta-primary-bg-simple);
    color: var(--on-gold);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.fable-card h2 {
    margin-bottom: 12px;
    font-size: clamp(1.35rem, 3vw, 1.9rem);
    color: var(--text-primary);
}

.fable-card p {
    max-width: 680px;
    margin: 0 auto 24px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.fable-card .cta-button.primary {
    color: var(--on-gold);
}

/* Desktop section */
.desktop-section {
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, var(--desktop-glow), transparent 55%),
        var(--desktop-bg);
    padding: 60px 0;
    margin: 24px 0 0;
    border-top: 1px solid var(--gold-border);
    border-bottom: 1px solid var(--gold-border);
}

.desktop-inner {
    text-align: center;
    color: var(--text-primary);
}

.desktop-inner h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    margin-bottom: 16px;
    color: var(--gold-soft);
}

.desktop-lead {
    font-size: 1.15rem;
    margin-bottom: 28px;
    color: var(--text-secondary);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.desktop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin: 28px 0 8px;
    text-align: left;
}

.desktop-card {
    background: var(--desktop-card-bg);
    padding: 20px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    border: 1px solid var(--gold-border);
    box-shadow: 0 0 20px rgba(var(--gold-rgb), 0.06);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.desktop-card:hover {
    border-color: var(--gold-border-strong);
    box-shadow: 0 0 28px var(--gold-glow);
}

.desktop-card h3 {
    margin-bottom: 8px;
    color: var(--gold-soft);
    font-size: 1.05rem;
}

.desktop-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.55;
    margin: 0;
}

.desktop-actions {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.desktop-btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.desktop-btn:hover {
    transform: translateY(-2px);
}

.desktop-btn-primary {
    background: var(--cta-primary-bg-simple);
    color: var(--on-gold);
    box-shadow: 0 4px 18px var(--gold-glow);
}

.desktop-btn-secondary {
    background: transparent;
    color: var(--gold-soft);
    border: 2px solid var(--gold-border-strong);
    backdrop-filter: blur(10px);
}

.desktop-btn-secondary:hover {
    background: rgba(var(--gold-rgb), 0.12);
}

.desktop-note {
    margin-top: 28px;
    padding: 18px 20px;
    background: rgba(var(--gold-rgb), 0.08);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    border: 1px solid var(--gold-border);
}

.desktop-note p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.comparison-row-highlight {
    background: rgba(var(--gold-rgb), 0.1);
    border-left: 3px solid var(--gold-bright);
}

.section-intro {
    text-align: center;
    color: var(--text-secondary);
    max-width: 760px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.usage-notes {
    padding-top: 20px;
}

.experience {
    background: var(--bg-charcoal);
}

.solutions.usage-notes {
    background: var(--bg-deep);
}


/* Session Key alternate path */
.sessionkey-section {
    padding: 40px 0 20px;
    background: var(--bg-deep);
}

.sessionkey-card {
    background: var(--bg-card);
    border: 1px solid var(--gold-border-strong);
    border-radius: 18px;
    padding: 36px 28px;
    box-shadow: var(--shadow-gold), var(--shadow-card);
}

.sessionkey-badge {
    display: inline-block;
    background: rgba(var(--gold-rgb), 0.18);
    color: var(--gold-soft);
    border: 1px solid var(--gold-border-strong);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.sessionkey-card h2 {
    margin: 0 0 14px;
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    color: var(--text-primary);
}

.sessionkey-pain,
.sessionkey-method {
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 820px;
    margin: 0 0 12px;
}

.sessionkey-steps {
    margin: 18px 0 24px;
    padding-left: 1.35rem;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 820px;
}

.sessionkey-steps li {
    margin-bottom: 8px;
}

.sessionkey-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 8px 0 20px;
}

.sessionkey-actions .cta-button.primary {
    color: var(--on-gold);
}

.sessionkey-links {
    margin: 0 0 20px;
    padding: 14px 16px;
    background: rgba(var(--gold-rgb), 0.06);
    border: 1px solid var(--gold-border);
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.sessionkey-links p {
    margin: 0 0 6px;
    word-break: break-all;
}

.sessionkey-links p:last-child {
    margin-bottom: 0;
}

.sessionkey-links a {
    color: var(--gold-soft);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.sessionkey-figure {
    margin: 0 0 18px;
    max-width: 640px;
}

.sessionkey-figure img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--gold-border);
    display: block;
    background: var(--code-bg);
}

.sessionkey-figure figcaption {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-muted, var(--text-secondary));
    opacity: 0.85;
}

.sessionkey-disclaimer {
    margin: 0;
    font-size: 0.86rem;
    line-height: 1.65;
    color: var(--text-secondary);
    opacity: 0.92;
    max-width: 860px;
    padding: 12px 14px;
    border-left: 3px solid rgba(var(--gold-rgb), 0.55);
    background: rgba(var(--gold-rgb), 0.06);
    border-radius: 0 8px 8px 0;
}

@media (max-width: 768px) {
    .sessionkey-card {
        padding: 28px 18px;
    }

    .sessionkey-actions .cta-button {
        width: 100%;
        text-align: center;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 56px 0 64px;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-subtitle {
        font-size: 1.02rem;
        padding: 0 4px;
    }

    .status-alert {
        margin-bottom: 22px;
        padding: 14px;
    }

    .hero-features {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .feature-tag {
        text-align: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .hero-cta .cta-button {
        width: 100%;
        text-align: center;
    }

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

    .desktop-btn {
        text-align: center;
    }

    .fable-card {
        padding: 28px 18px;
    }

    .nav-controls {
        gap: 6px;
    }

    .nav-meta {
        font-size: 0.75rem;
        max-width: 7.5em;
        white-space: normal;
        line-height: 1.2;
        text-align: right;
    }

    .language-selector {
        position: relative;
        top: 0;
        right: 0;
        margin: 0;
        text-align: center;
    }

    .language-select {
        height: 40px;
        max-width: 42vw;
        padding: 8px 10px;
        font-size: 13px;
    }

    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

    h2 {
        font-size: 2rem;
    }

    .experience-grid,
    .advantages-grid,
    .solutions-grid,
    .screenshot-grid {
        grid-template-columns: 1fr;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .comparison-header > div:not(:last-child),
    .comparison-row > div:not(:last-child) {
        border-bottom: 1px solid rgba(var(--gold-rgb), 0.15);
        padding-bottom: 10px;
        margin-bottom: 10px;
    }

    .case-results {
        grid-template-columns: 1fr;
    }

    .final-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选择文本样式 */
::selection {
    background: var(--gold);
    color: var(--on-gold);
}

/* 改善的焦点状态 - 可访问性 */
.cta-button:focus,
.plan-button:focus {
    outline: 3px solid rgba(var(--gold-bright-rgb), 0.55);
    outline-offset: 2px;
}

.nav-menu a:focus {
    outline: 2px solid var(--gold-bright);
    outline-offset: 4px;
    border-radius: 4px;
}

/* 隐藏类 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}