/* ============================================
   加拿大2.8 — 橡木桶酒祖暖调风 主样式表
   CSS前缀: jb-
   平台备案编号: LOTTO-JB-2026-2801
   ============================================ */

/* --- Google Fonts 本地化替代 --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=Lora:wght@400;500;600;700&display=swap');

/* --- CSS变量 --- */
:root {
    --jb-primary: #5C3A21;
    --jb-secondary: #8D6E63;
    --jb-accent: #D4AF37;
    --jb-highlight: #B71C1C;
    --jb-bg: #F5F5F5;
    --jb-text: #3E2723;
    --jb-text-light: #795548;
    --jb-font-title: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --jb-font-body: 'Lora', Georgia, 'Times New Roman', serif;
    --jb-radius: 4px;
    --jb-shadow: 0 6px 24px rgba(92,58,33,0.2);
    --jb-shadow-sm: 0 2px 8px rgba(92,58,33,0.12);
    --jb-transition: all 0.3s ease;
}

/* --- 全局重置 --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--jb-font-body);
    color: var(--jb-text);
    background-color: var(--jb-bg);
    line-height: 1.8;
    overflow-x: hidden;
}

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

a {
    color: var(--jb-accent);
    text-decoration: none;
    transition: var(--jb-transition);
}

a:hover {
    color: var(--jb-primary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--jb-font-title);
    color: var(--jb-text);
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.1rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

p {
    margin-bottom: 1rem;
    color: var(--jb-text-light);
}

/* --- 容器 --- */
.jb-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.jb-section {
    padding: 5rem 0;
}

.jb-section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.jb-section-title h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.jb-section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--jb-primary), var(--jb-accent));
    border-radius: 2px;
}

.jb-section-title p {
    max-width: 640px;
    margin: 1rem auto 0;
    font-size: 1.05rem;
}

/* --- 文字效果 --- */
.jb-text-gold {
    background: linear-gradient(135deg, #D4AF37, #F5D76E, #D4AF37);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.jb-text-accent {
    color: var(--jb-accent);
}

/* --- 纸张纹理背景 --- */
.jb-paper-texture {
    background-color: #F5F0E8;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
}

/* --- 导航栏 --- */
.jb-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #3E2723;
    padding: 0 2rem;
    height: 72px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.jb-navbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.jb-logo {
    font-family: var(--jb-font-title);
    font-size: 1.6rem;
    font-weight: 700;
    color: #F5F0E8;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.jb-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.jb-logo span {
    color: var(--jb-accent);
}

.jb-nav-links {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
}

.jb-nav-links li a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--jb-text-light);
    font-family: var(--jb-font-body);
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

.jb-nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--jb-accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.jb-nav-links li a:hover,
.jb-nav-links li a.jb-active {
    color: var(--jb-accent);
}

.jb-nav-links li a:hover::after,
.jb-nav-links li a.jb-active::after {
    width: 80%;
}

.jb-btn-cta {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: linear-gradient(135deg, #D4AF37, #B8941F);
    color: #3E2723;
    font-family: var(--jb-font-title);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--jb-radius);
    border: none;
    cursor: pointer;
    transition: var(--jb-transition);
    text-decoration: none;
}

.jb-btn-cta:hover {
    background: linear-gradient(135deg, #F5D76E, #D4AF37);
    box-shadow: 0 0 20px rgba(212,175,55,0.4);
    color: #3E2723;
}

.jb-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.jb-hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background: #F5F0E8;
    transition: var(--jb-transition);
}

/* --- Hero Banner --- */
.jb-hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.jb-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.jb-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(62,39,35,0.85) 0%, rgba(92,58,33,0.7) 50%, rgba(62,39,35,0.9) 100%);
}

.jb-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 2rem;
}

.jb-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(212,175,55,0.1));
    border: 1px solid rgba(212,175,55,0.4);
    border-radius: 50px;
    color: var(--jb-accent);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.jb-hero h1 {
    font-size: 3.5rem;
    color: #F5F0E8;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.jb-hero-subtitle {
    color: #B0A090;
    font-size: 1.15rem;
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.jb-hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.jb-btn-primary {
    display: inline-block;
    padding: 0.85rem 2rem;
    background: linear-gradient(135deg, #D4AF37, #B8941F);
    color: #3E2723;
    font-family: var(--jb-font-title);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--jb-radius);
    border: none;
    cursor: pointer;
    transition: var(--jb-transition);
    text-decoration: none;
}

.jb-btn-primary:hover {
    background: linear-gradient(135deg, #F5D76E, #D4AF37);
    box-shadow: 0 0 30px rgba(212,175,55,0.5);
    transform: translateY(-2px);
    color: #3E2723;
}

.jb-btn-outline {
    display: inline-block;
    padding: 0.85rem 2rem;
    background: transparent;
    color: var(--jb-accent);
    font-family: var(--jb-font-title);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--jb-radius);
    border: 2px solid var(--jb-accent);
    cursor: pointer;
    transition: var(--jb-transition);
    text-decoration: none;
}

.jb-btn-outline:hover {
    background: rgba(212,175,55,0.1);
    box-shadow: 0 0 20px rgba(212,175,55,0.3);
    transform: translateY(-2px);
    color: var(--jb-accent);
}

.jb-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(212,175,55,0.2);
}

.jb-stat-item {
    text-align: center;
}

.jb-stat-number {
    font-family: var(--jb-font-title);
    font-size: 2rem;
    font-weight: 700;
    color: var(--jb-accent);
    display: block;
}

.jb-stat-label {
    font-size: 0.85rem;
    color: #B0A090;
    margin-top: 0.25rem;
}

/* --- 烛光动画 --- */
.jb-candle-flicker {
    animation: jb-flicker 3s ease-in-out infinite alternate;
}

@keyframes jb-flicker {
    0%, 100% { opacity: 1; }
    25% { opacity: 0.95; }
    50% { opacity: 0.98; }
    75% { opacity: 0.92; }
}

/* --- 今日开奖品鉴 --- */
.jb-tasting {
    background-color: #F5F0E8;
}

.jb-lottery-numbers {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.jb-number-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--jb-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--jb-font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--jb-accent);
    background: rgba(212,175,55,0.05);
    box-shadow: 0 4px 16px rgba(212,175,55,0.2);
}

.jb-note-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 2.5rem;
    background: #FDF8F0;
    border: 1px solid rgba(141,110,99,0.2);
    border-radius: var(--jb-radius);
    box-shadow: var(--jb-shadow-sm);
    position: relative;
}

.jb-note-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--jb-primary), var(--jb-accent), var(--jb-primary));
}

.jb-note-card h3 {
    color: var(--jb-primary);
    margin-bottom: 1rem;
}

.jb-note-author {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(141,110,99,0.15);
    font-style: italic;
    color: var(--jb-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.jb-note-author img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

/* --- 大师策略工坊 --- */
.jb-workshop {
    background: #3E2723;
    color: #F5F0E8;
}

.jb-workshop .jb-section-title h2 {
    color: #F5F0E8;
}

.jb-workshop .jb-section-title h2::after {
    background: linear-gradient(90deg, var(--jb-accent), #F5D76E);
}

.jb-workshop .jb-section-title p {
    color: #B0A090;
}

.jb-video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.jb-video-card {
    background: rgba(92,58,33,0.3);
    border-radius: var(--jb-radius);
    overflow: hidden;
    border: 1px solid rgba(212,175,55,0.15);
    transition: var(--jb-transition);
}

.jb-video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    border-color: rgba(212,175,55,0.4);
}

.jb-video-wrapper {
    position: relative;
    padding-top: 56.25%;
}

.jb-video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.jb-video-duration {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.2rem 0.6rem;
    background: rgba(0,0,0,0.7);
    color: var(--jb-accent);
    font-size: 0.8rem;
    border-radius: var(--jb-radius);
    z-index: 2;
}

.jb-video-info {
    padding: 1.25rem;
}

.jb-video-info h3 {
    color: #F5F0E8;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.jb-video-info p {
    color: #B0A090;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- 历史数据档案馆 --- */
.jb-archive {
    background-color: var(--jb-bg);
}

.jb-archive-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.jb-archive-sidebar h2 {
    margin-bottom: 1rem;
}

.jb-period-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.jb-period-btn {
    padding: 0.6rem 1.2rem;
    background: transparent;
    border: 1px solid var(--jb-secondary);
    color: var(--jb-text-light);
    font-family: var(--jb-font-body);
    font-size: 0.95rem;
    border-radius: var(--jb-radius);
    cursor: pointer;
    transition: var(--jb-transition);
    text-align: left;
}

.jb-period-btn:hover,
.jb-period-btn.jb-active {
    background: var(--jb-primary);
    color: #F5F0E8;
    border-color: var(--jb-primary);
}

.jb-chart-area {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    padding: 2rem;
    box-shadow: var(--jb-shadow-sm);
    border: 1px solid rgba(141,110,99,0.15);
    min-height: 400px;
}

.jb-chart-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(141,110,99,0.15);
    padding-bottom: 1rem;
}

.jb-chart-tab {
    padding: 0.4rem 1rem;
    background: transparent;
    border: 1px solid var(--jb-secondary);
    color: var(--jb-text-light);
    font-family: var(--jb-font-body);
    font-size: 0.9rem;
    border-radius: var(--jb-radius);
    cursor: pointer;
    transition: var(--jb-transition);
}

.jb-chart-tab:hover,
.jb-chart-tab.jb-active {
    background: var(--jb-accent);
    color: #3E2723;
    border-color: var(--jb-accent);
}

.jb-chart-canvas {
    width: 100%;
    height: 300px;
    position: relative;
}

/* --- 独家算法展柜 --- */
.jb-showcase {
    background-color: #F5F0E8;
}

.jb-algorithm-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.jb-algorithm-card {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    padding: 2rem 1.5rem;
    border: 1px solid rgba(141,110,99,0.15);
    box-shadow: var(--jb-shadow-sm);
    transition: var(--jb-transition);
    position: relative;
    overflow: hidden;
}

.jb-algorithm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--jb-primary), var(--jb-accent));
}

.jb-algorithm-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--jb-shadow);
}

.jb-algorithm-card h3 {
    font-size: 1.2rem;
    color: var(--jb-primary);
    margin-bottom: 0.75rem;
}

.jb-algorithm-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.jb-tag {
    padding: 0.2rem 0.6rem;
    background: rgba(212,175,55,0.1);
    color: var(--jb-accent);
    font-size: 0.75rem;
    border-radius: 50px;
    border: 1px solid rgba(212,175,55,0.3);
}

.jb-algorithm-card p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.jb-win-rate {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.jb-win-rate-bar {
    flex: 1;
    height: 8px;
    background: rgba(141,110,99,0.15);
    border-radius: 4px;
    overflow: hidden;
}

.jb-win-rate-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--jb-accent), #F5D76E);
    border-radius: 4px;
}

.jb-win-rate-text {
    font-family: var(--jb-font-title);
    font-weight: 700;
    color: var(--jb-accent);
    font-size: 1.1rem;
    min-width: 50px;
}

.jb-btn-detail {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: transparent;
    border: 1px solid var(--jb-primary);
    color: var(--jb-primary);
    font-family: var(--jb-font-body);
    font-size: 0.85rem;
    border-radius: var(--jb-radius);
    cursor: pointer;
    transition: var(--jb-transition);
    text-decoration: none;
}

.jb-btn-detail:hover {
    background: var(--jb-primary);
    color: #F5F0E8;
}

/* --- 预测分析室入口 --- */
.jb-analysis-entry {
    background: var(--jb-bg);
}

.jb-analysis-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.jb-analysis-features {
    list-style: none;
    margin-top: 1.5rem;
}

.jb-analysis-features li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--jb-text-light);
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(141,110,99,0.1);
}

.jb-analysis-features li::before {
    content: '\2726';
    position: absolute;
    left: 0;
    color: var(--jb-accent);
    font-size: 1.2rem;
}

.jb-analysis-visual {
    position: relative;
    text-align: center;
}

.jb-analysis-visual img {
    border-radius: var(--jb-radius);
    box-shadow: var(--jb-shadow);
}

.jb-btn-glow {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #D4AF37, #B8941F);
    color: #3E2723;
    font-family: var(--jb-font-title);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: var(--jb-radius);
    border: none;
    cursor: pointer;
    transition: var(--jb-transition);
    text-decoration: none;
    margin-top: 2rem;
    animation: jb-glow-pulse 2s ease-in-out infinite;
}

@keyframes jb-glow-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(212,175,55,0.3); }
    50% { box-shadow: 0 0 30px rgba(212,175,55,0.6); }
}

.jb-btn-glow:hover {
    transform: translateY(-3px);
    color: #3E2723;
}

/* --- 冷热号码温度计 --- */
.jb-thermometer-section {
    background: #3E2723;
    color: #F5F0E8;
}

.jb-thermometer-section .jb-section-title h2 {
    color: #F5F0E8;
}

.jb-thermometer-section .jb-section-title h2::after {
    background: linear-gradient(90deg, var(--jb-accent), #F5D76E);
}

.jb-thermometer-section .jb-section-title p {
    color: #B0A090;
}

.jb-thermometer-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 2rem 0;
}

.jb-thermometer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.jb-thermo-tube {
    width: 40px;
    height: 200px;
    background: rgba(255,255,255,0.08);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(212,175,55,0.3);
}

.jb-thermo-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, #F5D76E, #D4AF37, #B8941F);
    border-radius: 0 0 18px 18px;
    transition: height 1s ease;
}

.jb-thermo-label {
    font-family: var(--jb-font-title);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--jb-accent);
}

.jb-thermo-status {
    font-size: 0.75rem;
    color: #B0A090;
}

.jb-steam-anim {
    position: relative;
}

.jb-steam-anim::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, rgba(212,175,55,0.3), transparent);
    border-radius: 50%;
    animation: jb-steam 1.5s ease-in-out infinite;
}

@keyframes jb-steam {
    0% { opacity: 0; transform: translateX(-50%) translateY(0) scale(0.5); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translateX(-50%) translateY(-20px) scale(1.5); }
}

/* --- 数据科学手札 --- */
.jb-articles {
    background: var(--jb-bg);
}

.jb-articles-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.jb-article-card {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    overflow: hidden;
    border: 1px solid rgba(141,110,99,0.15);
    box-shadow: var(--jb-shadow-sm);
    transition: var(--jb-transition);
}

.jb-article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--jb-shadow);
}

.jb-article-card.jb-featured {
    grid-row: span 2;
}

.jb-article-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.jb-article-card.jb-featured img {
    height: 300px;
}

.jb-article-body {
    padding: 1.5rem;
}

.jb-article-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.jb-article-body h3 a {
    color: var(--jb-text);
}

.jb-article-body h3 a:hover {
    color: var(--jb-accent);
}

.jb-article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--jb-secondary);
}

.jb-article-meta img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

/* --- 玩家社区酒馆 --- */
.jb-lounge {
    background-size: cover;
    background-position: center;
    position: relative;
}

.jb-lounge::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(62,39,35,0.88);
}

.jb-lounge > * {
    position: relative;
    z-index: 1;
}

.jb-lounge .jb-section-title h2 {
    color: #F5F0E8;
}

.jb-lounge .jb-section-title h2::after {
    background: linear-gradient(90deg, var(--jb-accent), #F5D76E);
}

.jb-lounge .jb-section-title p {
    color: #B0A090;
}

.jb-comments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.jb-comment-card {
    background: rgba(253,248,240,0.95);
    padding: 1.5rem;
    border-radius: var(--jb-radius);
    border-left: 4px solid var(--jb-accent);
    box-shadow: var(--jb-shadow-sm);
}

.jb-comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.jb-comment-header img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--jb-accent);
}

.jb-comment-name {
    font-family: var(--jb-font-title);
    font-weight: 600;
    color: var(--jb-primary);
}

.jb-comment-time {
    font-size: 0.8rem;
    color: var(--jb-secondary);
}

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

/* --- 荣誉与认证酒窖 --- */
.jb-honors {
    background: linear-gradient(180deg, #5C3A21, #3E2723);
    color: #F5F0E8;
    text-align: center;
}

.jb-honors .jb-section-title h2 {
    color: #F5F0E8;
}

.jb-honors .jb-section-title h2::after {
    background: linear-gradient(90deg, var(--jb-accent), #F5D76E);
}

.jb-honors .jb-section-title p {
    color: #B0A090;
}

.jb-honors-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.jb-honor-item {
    text-align: center;
    padding: 2rem;
}

.jb-honor-item img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--jb-accent);
    box-shadow: 0 0 30px rgba(212,175,55,0.3);
}

.jb-honor-item h3 {
    color: var(--jb-accent);
    margin-bottom: 0.5rem;
}

.jb-honor-item p {
    color: #B0A090;
    font-size: 0.95rem;
}

/* --- 页脚 --- */
.jb-footer {
    background: var(--jb-primary);
    color: #D4C4B0;
    padding-top: 0;
}

.jb-footer-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--jb-accent), transparent);
    margin-bottom: 3rem;
}

.jb-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 2rem;
    padding: 0 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.jb-footer-col h4 {
    color: var(--jb-accent);
    font-family: var(--jb-font-title);
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
}

.jb-footer-col p {
    color: #D4C4B0;
    font-size: 0.9rem;
    line-height: 1.7;
}

.jb-footer-col ul {
    list-style: none;
}

.jb-footer-col ul li {
    margin-bottom: 0.5rem;
}

.jb-footer-col ul li a {
    color: #D4C4B0;
    font-size: 0.9rem;
    transition: var(--jb-transition);
}

.jb-footer-col ul li a:hover {
    color: var(--jb-accent);
    padding-left: 4px;
}

.jb-footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.jb-footer-logo img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.jb-footer-logo span {
    font-family: var(--jb-font-title);
    font-size: 1.3rem;
    font-weight: 700;
    color: #F5F0E8;
}

.jb-social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.jb-social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(212,175,55,0.15);
    color: var(--jb-accent);
    font-size: 0.9rem;
    transition: var(--jb-transition);
}

.jb-social-links a:hover {
    background: var(--jb-accent);
    color: #3E2723;
}

.jb-footer-seo {
    padding: 1.5rem 2rem;
    max-width: 1280px;
    margin: 2rem auto 0;
    border-top: 1px solid rgba(212,175,55,0.15);
}

.jb-footer-seo p {
    font-size: 0.8rem;
    color: #A09080;
    text-align: center;
    line-height: 1.6;
}

.jb-footer-bottom {
    text-align: center;
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(212,175,55,0.1);
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: #A09080;
}

.jb-footer-bottom p {
    color: #A09080;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

/* --- 面包屑 --- */
.jb-breadcrumb {
    padding: 1rem 0;
    margin-top: 72px;
    background: #F5F0E8;
    border-bottom: 1px solid rgba(141,110,99,0.1);
}

.jb-breadcrumb-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.jb-breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.jb-breadcrumb-list li a {
    color: var(--jb-text-light);
}

.jb-breadcrumb-list li a:hover {
    color: var(--jb-accent);
}

.jb-breadcrumb-list li span {
    color: var(--jb-text);
    font-weight: 500;
}

.jb-breadcrumb-list li .jb-separator {
    color: var(--jb-secondary);
}

/* --- 内页通用 --- */
.jb-page-hero {
    padding: 6rem 0 3rem;
    margin-top: 72px;
    background-size: cover;
    background-position: center;
    position: relative;
    text-align: center;
}

.jb-page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(62,39,35,0.85), rgba(92,58,33,0.75));
}

.jb-page-hero > * {
    position: relative;
    z-index: 1;
}

.jb-page-hero h1 {
    color: #F5F0E8;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.jb-page-hero p {
    color: #B0A090;
    max-width: 640px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.jb-content-section {
    padding: 4rem 0;
}

.jb-content-section h2 {
    margin-bottom: 1.5rem;
}

.jb-content-section h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.jb-content-section p {
    margin-bottom: 1.25rem;
    line-height: 1.9;
}

.jb-content-section img {
    border-radius: var(--jb-radius);
    margin: 1.5rem 0;
    box-shadow: var(--jb-shadow-sm);
}

/* --- 内页网格 --- */
.jb-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.jb-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.jb-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* --- 预测分析室页面 --- */
.jb-analysis-page {
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: 2rem;
    padding: 2rem 0;
}

.jb-model-list {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    padding: 1.5rem;
    border: 1px solid rgba(141,110,99,0.15);
}

.jb-model-list h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--jb-primary);
}

.jb-model-item {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--jb-radius);
    cursor: pointer;
    transition: var(--jb-transition);
    border: 1px solid transparent;
    font-size: 0.95rem;
    color: var(--jb-text-light);
}

.jb-model-item:hover,
.jb-model-item.jb-active {
    background: rgba(212,175,55,0.1);
    border-color: rgba(212,175,55,0.3);
    color: var(--jb-primary);
}

.jb-config-area {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    padding: 2rem;
    border: 1px solid rgba(141,110,99,0.15);
}

.jb-form-group {
    margin-bottom: 1.25rem;
}

.jb-form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    color: var(--jb-text);
    font-size: 0.9rem;
}

.jb-form-input,
.jb-form-select {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 1px solid rgba(141,110,99,0.25);
    border-radius: var(--jb-radius);
    font-family: var(--jb-font-body);
    font-size: 0.95rem;
    color: var(--jb-text);
    background: #fff;
    transition: var(--jb-transition);
}

.jb-form-input:focus,
.jb-form-select:focus {
    outline: none;
    border-color: var(--jb-accent);
    box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
}

.jb-result-area {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    padding: 1.5rem;
    border: 1px solid rgba(141,110,99,0.15);
}

.jb-result-area h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--jb-primary);
}

/* --- APP下载页 --- */
.jb-app-hero {
    text-align: center;
    padding: 6rem 0 4rem;
    margin-top: 72px;
    background: linear-gradient(180deg, #3E2723, #5C3A21);
    color: #F5F0E8;
}

.jb-app-hero h1 {
    color: #F5F0E8;
}

.jb-app-mockup {
    max-width: 300px;
    margin: 2rem auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.jb-download-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.jb-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 2rem;
    background: linear-gradient(135deg, #D4AF37, #B8941F);
    color: #3E2723;
    font-family: var(--jb-font-title);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--jb-radius);
    transition: var(--jb-transition);
    text-decoration: none;
}

.jb-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212,175,55,0.4);
    color: #3E2723;
}

/* --- FAQ --- */
.jb-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.jb-faq-item {
    margin-bottom: 1rem;
    border: 1px solid rgba(141,110,99,0.15);
    border-radius: var(--jb-radius);
    overflow: hidden;
    background: #FDF8F0;
}

.jb-faq-question {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--jb-font-title);
    font-weight: 600;
    color: var(--jb-primary);
    transition: var(--jb-transition);
}

.jb-faq-question:hover {
    background: rgba(212,175,55,0.05);
}

.jb-faq-question .jb-faq-icon {
    font-size: 1.2rem;
    color: var(--jb-accent);
    transition: transform 0.3s ease;
}

.jb-faq-item.jb-open .jb-faq-icon {
    transform: rotate(45deg);
}

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

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

.jb-faq-answer-inner {
    padding: 0 1.5rem 1.25rem;
    color: var(--jb-text-light);
    line-height: 1.8;
}

/* --- 合规页面 --- */
.jb-legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.jb-legal-content h2 {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(141,110,99,0.15);
}

.jb-legal-content p {
    text-align: justify;
}

/* --- 内页视频 --- */
.jb-page-video {
    margin: 2rem 0;
    border-radius: var(--jb-radius);
    overflow: hidden;
    box-shadow: var(--jb-shadow-sm);
}

.jb-page-video video {
    width: 100%;
    display: block;
}

/* --- 预测分析室三栏布局 --- */
.jb-analysis-room {
    padding: 3rem 0;
    background: #F5F0E8;
}

.jb-analysis-grid {
    display: grid;
    grid-template-columns: 260px 1fr 300px;
    gap: 1.5rem;
}

.jb-analysis-sidebar,
.jb-analysis-main,
.jb-analysis-output {
    background: #FDF8F0;
    border-radius: var(--jb-radius);
    padding: 1.5rem;
    border: 1px solid rgba(141,110,99,0.15);
    box-shadow: var(--jb-shadow-sm);
}

.jb-analysis-sidebar .jb-model-list {
    list-style: none;
    padding: 0;
    background: transparent;
    border: none;
}

.jb-analysis-sidebar .jb-model-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--jb-radius);
    cursor: pointer;
    transition: var(--jb-transition);
    border: 1px solid transparent;
    list-style: none;
}

.jb-model-icon {
    font-size: 1.5rem;
    color: var(--jb-accent);
    min-width: 30px;
    text-align: center;
}

.jb-model-item div strong {
    display: block;
    font-size: 0.95rem;
    color: var(--jb-text);
}

.jb-model-item div small {
    font-size: 0.8rem;
    color: var(--jb-secondary);
}

.jb-model-item:hover,
.jb-model-item.jb-model-active {
    background: rgba(212,175,55,0.1);
    border-color: rgba(212,175,55,0.3);
}

.jb-model-item.jb-model-active div strong {
    color: var(--jb-primary);
}

.jb-brass-plate {
    font-family: var(--jb-font-title);
    font-size: 1.15rem;
    color: var(--jb-primary);
    padding-bottom: 0.75rem;
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--jb-accent);
    position: relative;
}

/* 参数面板 */
.jb-param-panel {
    margin-bottom: 1.5rem;
}

.jb-param-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.jb-param-row label {
    min-width: 140px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--jb-text);
}

.jb-param-row .jb-form-select,
.jb-param-row .jb-form-input {
    flex: 1;
    max-width: 250px;
}

/* 图表区域 */
.jb-chart-placeholder {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--jb-secondary);
}

.jb-chart-placeholder img {
    max-width: 200px;
    margin: 0 auto 1rem;
    opacity: 0.6;
    border-radius: var(--jb-radius);
}

.jb-chart-bar-container {
    margin-top: 1rem;
}

.jb-chart-label {
    font-family: var(--jb-font-title);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--jb-primary);
    margin-bottom: 0.75rem;
}

.jb-chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 200px;
    padding: 0 0.5rem;
    border-bottom: 2px solid rgba(141,110,99,0.2);
}

.jb-bar {
    flex: 1;
    background: linear-gradient(180deg, #D4AF37, #B8941F);
    border-radius: 3px 3px 0 0;
    position: relative;
    transition: height 0.8s ease;
    min-height: 10px;
}

.jb-bar span {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--jb-accent);
    font-weight: 600;
    white-space: nowrap;
}

.jb-bar-highlight {
    background: linear-gradient(180deg, #F5D76E, #D4AF37);
    box-shadow: 0 0 10px rgba(212,175,55,0.4);
}

.jb-chart-x-labels {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0.5rem 0;
    font-size: 0.7rem;
    color: var(--jb-secondary);
}

.jb-pnl-curve {
    padding: 1rem 0;
}

.jb-svg-chart {
    width: 100%;
    height: auto;
}

/* 结果输出区 */
.jb-output-panel {
    min-height: 300px;
}

.jb-output-placeholder {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--jb-secondary);
    font-size: 0.95rem;
}

.jb-output-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(141,110,99,0.1);
}

.jb-output-section:last-child {
    border-bottom: none;
}

.jb-output-section h4 {
    font-family: var(--jb-font-title);
    font-size: 1rem;
    color: var(--jb-primary);
    margin-bottom: 0.75rem;
}

.jb-output-table {
    width: 100%;
    border-collapse: collapse;
}

.jb-output-table tr {
    border-bottom: 1px solid rgba(141,110,99,0.08);
}

.jb-output-table td {
    padding: 0.5rem 0.25rem;
    font-size: 0.88rem;
    color: var(--jb-text-light);
}

.jb-output-table td:first-child {
    font-weight: 500;
    color: var(--jb-text);
    width: 45%;
}

.jb-prediction-card {
    background: rgba(212,175,55,0.05);
    border: 1px solid rgba(212,175,55,0.2);
    border-radius: var(--jb-radius);
    padding: 1rem;
}

.jb-prediction-card p {
    font-size: 0.88rem;
    margin-bottom: 0.5rem;
}

.jb-risk-meter {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.jb-risk-bar {
    flex: 1;
    height: 10px;
    background: rgba(141,110,99,0.15);
    border-radius: 5px;
    overflow: hidden;
}

.jb-risk-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    border-radius: 5px;
}

.jb-risk-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #4CAF50;
    min-width: 60px;
}

/* --- FAQ样式补充 --- */
.jb-faq-section {
    padding: 4rem 0;
    background: var(--jb-bg);
}

.jb-faq-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.jb-faq-toggle {
    font-size: 1.5rem;
    color: var(--jb-accent);
    transition: transform 0.3s ease;
    line-height: 1;
}

.jb-faq-item.jb-faq-open .jb-faq-toggle {
    transform: rotate(45deg);
}

.jb-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.jb-faq-item.jb-faq-open .jb-faq-answer {
    max-height: 600px;
}

.jb-faq-answer p {
    padding: 0 1.5rem 1.25rem;
    color: var(--jb-text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* --- APP下载页补充 --- */
.jb-app-hero {
    position: relative;
    background-size: cover;
    background-position: center;
}

.jb-app-overlay {
    background: linear-gradient(180deg, rgba(62,39,35,0.92), rgba(92,58,33,0.85));
    padding: 6rem 0 4rem;
    margin-top: 72px;
}

.jb-app-content {
    text-align: center;
}

.jb-app-subtitle {
    color: #B0A090;
    font-size: 1.15rem;
    max-width: 640px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.jb-app-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.jb-app-feature {
    text-align: center;
    padding: 1.5rem 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: var(--jb-radius);
    border: 1px solid rgba(212,175,55,0.15);
}

.jb-feature-icon {
    display: block;
    font-size: 2.5rem;
    color: var(--jb-accent);
    margin-bottom: 1rem;
}

.jb-app-feature h3 {
    color: #F5F0E8;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.jb-app-feature p {
    color: #B0A090;
    font-size: 0.9rem;
    line-height: 1.6;
}

.jb-download-btn .jb-dl-icon {
    font-size: 1.5rem;
}

.jb-download-btn div small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.8;
}

.jb-download-btn div strong {
    display: block;
    font-size: 1rem;
}

.jb-qr-section {
    margin-top: 3rem;
    text-align: center;
}

.jb-qr-code {
    display: inline-block;
    padding: 1.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--jb-radius);
    border: 1px solid rgba(212,175,55,0.3);
}

.jb-qr-placeholder {
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.jb-qr-placeholder img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.jb-qr-placeholder p {
    color: #B0A090;
    font-size: 0.85rem;
}

.jb-qr-hint {
    margin-top: 1rem;
    color: #B0A090;
    font-size: 0.9rem;
}

/* --- 法律页面 --- */
.jb-legal-page {
    max-width: 900px;
    margin: 0 auto;
}

.jb-legal-page .jb-container {
    max-width: 800px;
}

.jb-legal-date {
    font-size: 0.9rem;
    color: var(--jb-secondary);
    font-style: italic;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(141,110,99,0.15);
}

.jb-legal-page h2 {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(141,110,99,0.15);
    font-size: 1.5rem;
}

.jb-legal-page p {
    text-align: justify;
    line-height: 1.9;
}