/* ===== 笔记本维修系列页独立样式 - 深蓝色系 ===== */

/* Global link underline removal */
a { text-decoration: none; }
a:hover { text-decoration: none; }
:root {
    --bjb-primary: #1a3a5c;
    --bjb-primary-light: #24507a;
    --bjb-primary-dark: #0f2840;
    --bjb-accent: #2d7ab8;
    --bjb-accent-light: #4a9ad4;
    --bjb-text: #2c3e50;
    --bjb-text-light: #6c757d;
    --bjb-bg: #f8fafc;
    --bjb-card-bg: #ffffff;
    --bjb-border: #e2e8f0;
    --bjb-success: #16a34a;
    --bjb-warning: #f59e0b;
    --bjb-danger: #dc2626;
    --bjb-shadow: 0 4px 20px rgba(26, 58, 92, 0.08);
    --bjb-shadow-hover: 0 8px 30px rgba(26, 58, 92, 0.15);
}

/* Header */
.bjb-header {
    background: var(--bjb-card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.bjb-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.bjb-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--bjb-primary);
    font-size: 20px;
    font-weight: 700;
}
.bjb-logo i {
    font-size: 28px;
    color: var(--bjb-accent);
}
.bjb-logo span { color: var(--bjb-primary); }
.bjb-nav { flex: 1; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.bjb-nav a {
    padding: 6px 10px;
    border-radius: 6px;
    color: var(--bjb-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
}
.bjb-nav a:hover, .bjb-nav a.active {
    background: var(--bjb-primary);
    color: #fff;
}

/* Hero */
.bjb-hero {
    background: linear-gradient(135deg, var(--bjb-primary-dark) 0%, var(--bjb-primary) 50%, var(--bjb-primary-light) 100%);
    color: #fff;
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}
.bjb-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45,122,184,0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.bjb-hero .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }
.bjb-hero h1 { font-size: 36px; margin-bottom: 16px; font-weight: 700; }
.bjb-hero p { font-size: 18px; opacity: 0.9; max-width: 700px; line-height: 1.7;  margin: 0 auto;}
.bjb-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; justify-content: center; }
.bjb-hero-tag {
    background: rgba(255,255,255,0.15);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    backdrop-filter: blur(4px);
}

/* Breadcrumb */
.bjb-breadcrumb {
    background: var(--bjb-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--bjb-border);
}
.bjb-breadcrumb .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.bjb-breadcrumb a { color: var(--bjb-accent); text-decoration: none; }
.bjb-breadcrumb a:hover { text-decoration: none; }
.bjb-breadcrumb span { color: var(--bjb-text-light); }
.bjb-breadcrumb .sep { margin: 0 8px; color: var(--bjb-text-light); }

/* Common Section */
.bjb-section { padding: 50px 0; }
.bjb-section.alt-bg { background: var(--bjb-bg); }
.bjb-section .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.bjb-section-title {
    text-align: center;
    margin-bottom: 40px;
}
.bjb-section-title h2 {
    font-size: 30px;
    color: var(--bjb-primary);
    margin-bottom: 10px;
    font-weight: 700;
}
.bjb-section-title p { color: var(--bjb-text-light); font-size: 16px; }

/* Intro / Brand Intro */
.bjb-intro {
    background: var(--bjb-card-bg);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--bjb-shadow);
    border-left: 4px solid var(--bjb-accent);
}
.bjb-intro h3 { color: var(--bjb-primary); margin-bottom: 16px; font-size: 22px; }
.bjb-intro p { color: var(--bjb-text); line-height: 1.9; font-size: 15px; margin-bottom: 12px; }
.bjb-intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.bjb-intro-card {
    background: var(--bjb-bg);
    padding: 18px;
    border-radius: 8px;
    text-align: center;
}
.bjb-intro-card i { font-size: 28px; color: var(--bjb-accent); margin-bottom: 8px; }
.bjb-intro-card h4 { color: var(--bjb-primary); font-size: 16px; margin-bottom: 4px; }
.bjb-intro-card p { color: var(--bjb-text-light); font-size: 13px; margin: 0; }

/* Fault Cards */
.bjb-fault-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.bjb-fault-card {
    background: var(--bjb-card-bg);
    border-radius: 10px;
    padding: 24px;
    box-shadow: var(--bjb-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 3px solid var(--bjb-accent);
}
.bjb-fault-card:hover { transform: translateY(-4px); box-shadow: var(--bjb-shadow-hover); }
.bjb-fault-card i { font-size: 32px; color: var(--bjb-accent); margin-bottom: 12px; }
.bjb-fault-card h4 { color: var(--bjb-primary); font-size: 18px; margin-bottom: 10px; }
.bjb-fault-card p { color: var(--bjb-text-light); font-size: 14px; line-height: 1.7; }

/* Model Full Width */
.bjb-model-full {
    background: var(--bjb-card-bg);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--bjb-shadow);
}
.bjb-model-full h3 {
    color: var(--bjb-primary);
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bjb-border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.bjb-model-full h3 i { color: var(--bjb-accent); }
.bjb-model-groups { display: flex; flex-direction: column; gap: 20px; }
.bjb-model-group h4 {
    color: var(--bjb-primary);
    font-size: 16px;
    margin-bottom: 10px;
    background: var(--bjb-bg);
    padding: 8px 14px;
    border-radius: 6px;
    border-left: 3px solid var(--bjb-accent);
}
.bjb-model-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}
.bjb-model-tag {
    background: var(--bjb-bg);
    border: 1px solid var(--bjb-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--bjb-text);
    transition: all 0.3s;
}
.bjb-model-tag:hover {
    background: var(--bjb-primary);
    color: #fff;
    border-color: var(--bjb-primary);
}

/* Error Code Table */
.bjb-table-wrap {
    background: var(--bjb-card-bg);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--bjb-shadow);
    overflow-x: auto;
}
.bjb-table-wrap h3 {
    color: var(--bjb-primary);
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bjb-border);
}
.bjb-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.bjb-data-table th {
    background: var(--bjb-primary);
    color: #fff;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}
.bjb-data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--bjb-border);
    color: var(--bjb-text);
}
.bjb-data-table tr:nth-child(even) { background: var(--bjb-bg); }
.bjb-data-table tr:hover { background: #eef4fa; }
.bjb-code {
    font-family: 'Courier New', monospace;
    background: #eef4fa;
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--bjb-accent);
    font-weight: 600;
}

/* Price Table */
.bjb-price-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.bjb-price-table th {
    background: var(--bjb-primary);
    color: #fff;
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
}
.bjb-price-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--bjb-border);
    color: var(--bjb-text);
}
.bjb-price-table tr:nth-child(even) { background: var(--bjb-bg); }
.bjb-price-table tr:hover { background: #eef4fa; }
.bjb-price {
    color: var(--bjb-danger);
    font-weight: 700;
    font-size: 16px;
}
.bjb-price-note {
    color: var(--bjb-text);
    font-size: 14px;
}

/* Warranty */
.bjb-warranty {
    background: linear-gradient(135deg, var(--bjb-primary-dark), var(--bjb-primary));
    color: #fff;
    border-radius: 12px;
    padding: 40px;
}
.bjb-warranty h3 { font-size: 24px; margin-bottom: 24px; text-align: center; }
.bjb-warranty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}
.bjb-warranty-item {
    background: rgba(255,255,255,0.1);
    padding: 24px;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(4px);
}
.bjb-warranty-item i { font-size: 36px; color: var(--bjb-accent-light); margin-bottom: 12px; }
.bjb-warranty-item h4 { font-size: 18px; margin-bottom: 8px; }
.bjb-warranty-item p { opacity: 0.9; font-size: 14px; line-height: 1.7; }

/* FAQ */
.bjb-faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 768px) { .bjb-faq-grid { grid-template-columns: 1fr; } }
.bjb-faq-item {
    background: var(--bjb-card-bg);
    border-radius: 10px;
    box-shadow: var(--bjb-shadow);
    overflow: hidden;
}
.bjb-faq-q {
    padding: 16px 20px;
    background: var(--bjb-primary);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.bjb-faq-q i { color: var(--bjb-accent-light); margin-top: 2px; flex-shrink: 0; }
.bjb-faq-a {
    padding: 16px 20px;
    color: var(--bjb-text);
    font-size: 14px;
    line-height: 1.8;
    border-top: 1px solid var(--bjb-border);
}

/* Reviews */
.bjb-review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}
.bjb-review-card {
    background: var(--bjb-card-bg);
    border-radius: 10px;
    padding: 24px;
    box-shadow: var(--bjb-shadow);
    position: relative;
}
.bjb-review-card::before {
    content: '\201C';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 60px;
    color: var(--bjb-border);
    font-family: Georgia, serif;
    line-height: 1;
}
.bjb-review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.bjb-review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bjb-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}
.bjb-review-info h4 { color: var(--bjb-primary); font-size: 15px; margin: 0; }
.bjb-review-info .date { color: var(--bjb-text-light); font-size: 12px; }
.bjb-review-stars { color: #f59e0b; margin-bottom: 8px; font-size: 14px; }
.bjb-review-text { color: var(--bjb-text); font-size: 14px; line-height: 1.8; }
.bjb-review-model {
    display: inline-block;
    margin-top: 10px;
    background: var(--bjb-bg);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--bjb-accent);
}

/* Series Links */
.bjb-series-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.bjb-series-link {
    background: var(--bjb-card-bg);
    border: 1px solid var(--bjb-border);
    padding: 10px 20px;
    border-radius: 8px;
    color: var(--bjb-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}
.bjb-series-link:hover, .bjb-series-link.active {
    background: var(--bjb-primary);
    color: #fff;
    border-color: var(--bjb-primary);
}

/* Brand Links */
.bjb-brand-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 12px;
}
.bjb-brand-link {
    background: var(--bjb-card-bg);
    border: 1px solid var(--bjb-border);
    padding: 14px;
    border-radius: 8px;
    color: var(--bjb-primary);
    text-decoration: none;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}
.bjb-brand-link:hover {
    background: var(--bjb-primary);
    color: #fff;
    border-color: var(--bjb-primary);
    transform: translateY(-2px);
}

/* CTA */
.bjb-cta {
    background: linear-gradient(135deg, var(--bjb-primary-dark), var(--bjb-accent));
    color: #fff;
    padding: 50px 0;
    text-align: center;
}
.bjb-cta h2 { font-size: 28px; margin-bottom: 12px; }
.bjb-cta p { font-size: 16px; opacity: 0.9; margin-bottom: 24px; }
.bjb-cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.bjb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}
.bjb-btn-primary { background: #fff; color: var(--bjb-primary); }
.bjb-btn-primary:hover { background: var(--bjb-bg); transform: translateY(-2px); }
.bjb-btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.bjb-btn-outline:hover { background: rgba(255,255,255,0.15); }

/* Footer */
.bjb-footer {
    background: var(--bjb-primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 50px 0 20px;
}
.bjb-footer .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.bjb-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}
.bjb-footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--bjb-accent);
    display: inline-block;
}
.bjb-footer-col p, .bjb-footer-col a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 2;
    text-decoration: none;
    display: block;
}
.bjb-footer-col a:hover { color: var(--bjb-accent-light); }
.bjb-footer-col i { margin-right: 8px; color: var(--bjb-accent-light); }
.bjb-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
.bjb-footer-bottom a { color: rgba(255,255,255,0.6); display: inline; }

/* Floating Buttons */
.bjb-float {
    position: fixed;
    right: 20px;
    bottom: 80px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.bjb-float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bjb-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: all 0.3s;
    position: relative;
}
.bjb-float-btn:hover { background: var(--bjb-accent); transform: scale(1.1); }
.bjb-float-btn .float-tip {
    position: absolute;
    right: 60px;
    background: var(--bjb-primary);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.bjb-float-btn:hover .float-tip { opacity: 1; }

/* WeChat QR */
.wechat-qr-btn { position: relative; cursor: pointer; }
.wechat-qr-img {
    position: absolute;
    right: 60px;
    bottom: 0;
    width: 220px;
    height: 220px;
    background: #fff;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    display: none;
    z-index: 1000;
}
.wechat-qr-btn:hover .wechat-qr-img { display: block; }

/* Responsive */
@media (max-width: 768px) {
    .bjb-header .container { flex-direction: column; gap: 12px; }
    
    .bjb-hero h1 { font-size: 26px; }
    .bjb-hero p { font-size: 15px; }
    .bjb-section { padding: 30px 0; }
    .bjb-section-title h2 { font-size: 24px; }
    .bjb-intro, .bjb-model-full, .bjb-table-wrap { padding: 20px; }
    .bjb-faq-grid { grid-template-columns: 1fr; }
}

/* header phone */
.bjb-header .container { display: flex; align-items: center; justify-content: space-between; }

.header-phone { display: flex; align-items: center; gap: 6px; color: var(--bjb-primary); font-weight: 600; font-size: 15px; white-space: nowrap; }
.header-phone i { color: var(--bjb-accent); }
@media (max-width: 768px) { .header-phone { display: none; }  }

/* 独特内容版块样式 */
.content-section{padding:50px 0;}
.content-section:nth-child(even){background:var(--bjb-bg);}
.section-heading{text-align:center;margin-bottom:36px;}
.section-heading h2{font-size:26px;font-weight:700;color:var(--bjb-primary);margin-bottom:10px;position:relative;padding-bottom:12px;}
.section-heading h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:50px;height:3px;background:linear-gradient(90deg,var(--bjb-primary),var(--bjb-accent));border-radius:2px;}
.section-heading p{font-size:15px;color:var(--bjb-text-light);margin:0;}
.about-intro{background:var(--bjb-card-bg);border-radius:12px;padding:30px 35px;box-shadow:var(--bjb-shadow);border-left:4px solid var(--bjb-primary);}
.about-intro p{font-size:15px;line-height:1.9;color:var(--bjb-text);margin-bottom:16px;text-align:justify;}
.about-intro p:last-child{margin-bottom:0;}
/* 保修政策版块 */
.warranty-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
.warranty-card { background: #fff; border-radius: 12px; padding: 28px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border-top: 3px solid var(--bjb-primary); }
.warranty-card i { font-size: 36px; color: var(--bjb-primary); margin-bottom: 14px; }
.warranty-card h4 { font-size: 18px; color: var(--bjb-primary); margin-bottom: 10px; }
.warranty-card p { font-size: 14px; color: #666; line-height: 1.8; }
@media (max-width: 768px) { .warranty-grid { grid-template-columns: 1fr; } }