:root {
    --bulk-dog-leashes-primary-black: #111111;
    --bulk-dog-leashes-accent-blue: #0046be;
    --bulk-dog-leashes-soft-gray: #f5f5f7;
    --bulk-dog-leashes-text-main: #333333;
    --bulk-dog-leashes-border-color: #e5e5e5;
    --bulk-dog-leashes-transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    --bulk-dog-leashes-deep-gray: #ececed;
    --bulk-dog-leashes-cartoon-accent: #e8f0fe;
    --bulk-dog-leashes-custom-gold: #c5a059;
    --bulk-dog-leashes-industrial-blue: #0a2540;
    --bulk-dog-leashes-multi-dog-purple: #6200ee;
    --bulk-dog-leashes-safety-red: #d93025;
    --bulk-dog-leashes-safety-green: #188038;
    --bulk-dog-leashes-neon-glow: #ccff00;
    --bulk-dog-leashes-chew-orange: #ff6b00;
}

.bulk-dog-leashes .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.bulk-dog-leashes .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--bulk-dog-leashes-transition);
}

.bulk-dog-leashes .reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.bulk-dog-leashes .brand-header {
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--bulk-dog-leashes-border-color);
}

.bulk-dog-leashes h2 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--bulk-dog-leashes-primary-black);
    letter-spacing: -0.02em;
}

.bulk-dog-leashes .section-padding {
    padding: 100px 0;
}

.bulk-dog-leashes .training-master-container {
    background-color: var(--bulk-dog-leashes-soft-gray);
    border-radius: 24px;
    padding: 80px 60px;
    border: 2px solid var(--bulk-dog-leashes-primary-black);
}

.bulk-dog-leashes .training-master-container h2 {
    text-align: center;
    margin-bottom: 60px;
}

.bulk-dog-leashes .modular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.bulk-dog-leashes .module-card {
    background: #ffffff;
    padding: 40px;
    border: 2px solid var(--bulk-dog-leashes-primary-black);
    border-radius: 16px;
    box-shadow: 8px 8px 0px var(--bulk-dog-leashes-primary-black);
    transition: transform 0.2s ease;
}

.bulk-dog-leashes .module-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0px var(--bulk-dog-leashes-primary-black);
}

.bulk-dog-leashes .module-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--bulk-dog-leashes-primary-black);
    display: flex;
    align-items: center;
    gap: 10px;
}

.bulk-dog-leashes .logic-module { background-color: #fff9c4; }
.bulk-dog-leashes .puppy-module { background-color: #e1f5fe; }
.bulk-dog-leashes .urban-module { background-color: #f3e5f5; }
.bulk-dog-leashes .b2b-module { background-color: #e8f5e9; }
.bulk-dog-leashes .recall-edu-module { background-color: #fff3e0; }
.bulk-dog-leashes .control-edu-module { background-color: #f1f8e9; }

.bulk-dog-leashes .tech-spec-table {
    width: 100%;
    margin-top: 40px;
    background: #ffffff;
    border: 2px solid var(--bulk-dog-leashes-primary-black);
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
}

.bulk-dog-leashes .tech-spec-table td {
    padding: 20px 25px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--bulk-dog-leashes-border-color);
}

.bulk-dog-leashes .tech-label {
    font-weight: 800;
    background: var(--bulk-dog-leashes-cartoon-accent);
    width: 250px;
    color: var(--bulk-dog-leashes-primary-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bulk-dog-leashes .custom-leash-section {
    background-color: #ffffff;
    border: 2px solid var(--bulk-dog-leashes-primary-black);
    border-radius: 24px;
    overflow: hidden;
    margin: 60px 0;
}

.bulk-dog-leashes .custom-header-block {
    background: var(--bulk-dog-leashes-primary-black);
    color: #fff;
    padding: 60px;
    text-align: center;
}

.bulk-dog-leashes .custom-header-block h2 { color: #fff; margin-bottom: 10px; }

.bulk-dog-leashes .process-canvas {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 80px 40px;
    position: relative;
    background-image: radial-gradient(circle, #ddd 1px, transparent 1px);
    background-size: 20px 20px;
}

.bulk-dog-leashes .process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.bulk-dog-leashes .step-number {
    width: 50px;
    height: 50px;
    background: var(--bulk-dog-leashes-primary-black);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: 700;
    border: 4px solid #fff;
    box-shadow: 0 0 0 2px var(--bulk-dog-leashes-primary-black);
}

.bulk-dog-leashes .process-canvas::before {
    content: "";
    position: absolute;
    top: 105px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--bulk-dog-leashes-primary-black);
    z-index: 1;
}

.bulk-dog-leashes .step-title { font-weight: 700; margin-bottom: 10px; text-transform: uppercase; }
.bulk-dog-leashes .step-desc { font-size: 0.85rem; color: #666; }

.bulk-dog-leashes .dark-tech-block {
    background: var(--bulk-dog-leashes-industrial-blue);
    color: #fff;
    padding: 120px 0;
    text-align: center;
}

.bulk-dog-leashes .dark-tech-block h2 { color: #fff; }
.bulk-dog-leashes .industrial-intro { max-width: 800px; margin: 0 auto 60px; font-size: 1.1rem; opacity: 0.9; }

.bulk-dog-leashes .tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.bulk-dog-leashes .tech-card {
    border: 1px solid rgba(255,255,255,0.2);
    padding: 30px;
    text-align: left;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    transition: background 0.3s ease;
}

.bulk-dog-leashes .tech-card h4 { color: var(--bulk-dog-leashes-custom-gold); margin-bottom: 12px; font-size: 1.2rem; text-transform: uppercase; }

.bulk-dog-leashes .industrial-specs {
    margin-top: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    text-align: left;
}

.bulk-dog-leashes .spec-item-box { background: #ffffff; color: var(--bulk-dog-leashes-primary-black); padding: 40px; border-radius: 16px; }
.bulk-dog-leashes .spec-item-box h3 { margin-bottom: 20px; border-bottom: 2px solid var(--bulk-dog-leashes-custom-gold); display: inline-block; padding-bottom: 5px; }
.bulk-dog-leashes .spec-list { list-style: none; }
.bulk-dog-leashes .spec-list li { padding: 10px 0; border-bottom: 1px solid var(--bulk-dog-leashes-border-color); display: flex; justify-content: space-between; }
.bulk-dog-leashes .spec-list li span:first-child { font-weight: 700; }

.bulk-dog-leashes .multi-dog-showcase {
    background: #ffffff;
    border: 2px solid var(--bulk-dog-leashes-primary-black);
    border-radius: 24px;
    padding: 60px;
    margin: 60px 0;
}

.bulk-dog-leashes .multi-dog-header { margin-bottom: 40px; border-left: 8px solid var(--bulk-dog-leashes-multi-dog-purple); padding-left: 25px; }

.bulk-dog-leashes .multi-dog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.bulk-dog-leashes .multi-dog-card { background: var(--bulk-dog-leashes-soft-gray); padding: 30px; border-radius: 12px; text-align: center; }
.bulk-dog-leashes .multi-dog-card h4 { color: var(--bulk-dog-leashes-multi-dog-purple); font-size: 1.5rem; margin-bottom: 10px; }
.bulk-dog-leashes .capacity-tag { display: inline-block; margin-top: 15px; padding: 4px 12px; background: var(--bulk-dog-leashes-primary-black); color: #fff; font-weight: 700; font-size: 0.75rem; border-radius: 20px; text-transform: uppercase; }

.bulk-dog-leashes .comparison-table-wrapper { margin-top: 50px; overflow-x: auto; }
.bulk-dog-leashes table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.bulk-dog-leashes th { text-align: left; padding: 20px; border-bottom: 2px solid var(--bulk-dog-leashes-primary-black); text-transform: uppercase; font-weight: 600; background: var(--bulk-dog-leashes-soft-gray); }
.bulk-dog-leashes td { padding: 20px; border-bottom: 1px solid var(--bulk-dog-leashes-border-color); }

.bulk-dog-leashes .safety-night-section { background: #000000; color: #ffffff; padding: 100px 0; border-radius: 40px; margin: 60px 0; }
.bulk-dog-leashes .safety-grid-header { text-align: center; margin-bottom: 60px; }
.bulk-dog-leashes .safety-grid-header h2 { color: #fff; }

.bulk-dog-leashes .comparison-split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 80px; }
.bulk-dog-leashes .safety-box { padding: 40px; border-radius: 20px; border: 2px solid; }
.bulk-dog-leashes .safety-box.danger { border-color: var(--bulk-dog-leashes-safety-red); background: rgba(217, 48, 37, 0.1); }
.bulk-dog-leashes .safety-box.secure { border-color: var(--bulk-dog-leashes-safety-green); background: rgba(24, 128, 56, 0.1); }
.bulk-dog-leashes .safety-box h3 { margin-bottom: 20px; font-size: 1.8rem; }

.bulk-dog-leashes .material-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 60px; }
.bulk-dog-leashes .feature-item { background: #1a1a1a; padding: 30px; border-radius: 15px; text-align: center; }
.bulk-dog-leashes .feature-item h4 { color: var(--bulk-dog-leashes-neon-glow); margin-bottom: 10px; }
.bulk-dog-leashes .safety-alert-bar { background: var(--bulk-dog-leashes-safety-red); color: #fff; padding: 20px; text-align: center; font-weight: 900; text-transform: uppercase; letter-spacing: 2px; margin-top: 40px; border-radius: 10px; }

.bulk-dog-leashes .indestructible-v2-container { display: flex; flex-direction: column; gap: 60px; padding-bottom: 100px; }
.bulk-dog-leashes .pain-point-box { background: #fff0f0; border: 3px dashed var(--bulk-dog-leashes-safety-red); padding: 50px; border-radius: 24px; text-align: center; }
.bulk-dog-leashes .pain-point-box h2 { color: var(--bulk-dog-leashes-safety-red); }

.bulk-dog-leashes .history-brand-story { background: var(--bulk-dog-leashes-primary-black); color: #fff; padding: 60px; border-radius: 24px; }
.bulk-dog-leashes .history-brand-story h2 { color: var(--bulk-dog-leashes-chew-orange); }
.bulk-dog-leashes .timeline-wrapper { display: flex; justify-content: space-between; margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.2); padding-top: 20px; }
.bulk-dog-leashes .timeline-year { color: var(--bulk-dog-leashes-chew-orange); font-weight: 800; font-size: 1.2rem; display: block; margin-bottom: 5px; }

.bulk-dog-leashes .chew-attribute-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.bulk-dog-leashes .attribute-table, .bulk-dog-leashes .chew-rating-table { width: 100%; border: 2px solid var(--bulk-dog-leashes-primary-black); border-radius: 12px; overflow: hidden; }
.bulk-dog-leashes .attribute-table th, .bulk-dog-leashes .chew-rating-table th { background: var(--bulk-dog-leashes-primary-black); color: #fff; text-align: center; }

.bulk-dog-leashes .rating-bar-outer { width: 100%; background: #ddd; height: 12px; border-radius: 6px; margin-top: 5px; }
.bulk-dog-leashes .rating-bar-inner { height: 100%; border-radius: 6px; }
.bulk-dog-leashes .rating-nylon { width: 30%; background: var(--bulk-dog-leashes-safety-red); }
.bulk-dog-leashes .rating-leather { width: 50%; background: var(--bulk-dog-leashes-custom-gold); }
.bulk-dog-leashes .rating-indestructible { width: 100%; background: var(--bulk-dog-leashes-safety-green); }

.bulk-dog-leashes .article-magazine { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 50px; }
.bulk-dog-leashes .article-card { background: #fff; border: 1px solid var(--bulk-dog-leashes-border-color); border-radius: 12px; overflow: hidden; transition: var(--bulk-dog-leashes-transition); }
.bulk-dog-leashes .article-image-placeholder { width: 100%; height: 200px; background: var(--bulk-dog-leashes-deep-gray); display: flex; align-items: center; justify-content: center; color: #999; font-weight: 600; text-transform: uppercase; }
.bulk-dog-leashes .article-image-placeholder a{
    width: inherit;
    height: inherit;
}
.bulk-dog-leashes .article-image-placeholder img{
    width: inherit;
    height: inherit;
    object-fit: cover;
}
.bulk-dog-leashes .article-body { padding: 25px; }
.bulk-dog-leashes .mag-article-title { font-size: 1.4rem; line-height: 1.3; margin-bottom: 15px; display: block; text-decoration: none; color: var(--bulk-dog-leashes-primary-black); font-weight: 700; }
.bulk-dog-leashes .faq-matrix-vertical { background: var(--bulk-dog-leashes-soft-gray); padding: 80px 0; }
.bulk-dog-leashes .faq-vertical-container { margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.bulk-dog-leashes .faq-vertical-item { background: #fff; border: 1px solid var(--bulk-dog-leashes-border-color); border-radius: 8px; overflow: hidden; }
.bulk-dog-leashes .faq-vertical-trigger {
    width: 100%;
    padding: 20px 25px;
    background: #fff;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bulk-dog-leashes-accent-blue);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-transform: capitalize;
}
.bulk-dog-leashes .faq-vertical-content {
    display: none;
    padding: 0 25px 20px;
    font-size: 1rem;
    line-height: 1.6;
    white-space: pre-line;
}

.bulk-dog-leashes .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1000px; margin: 40px auto 0; }
.bulk-dog-leashes .guide-link { display: block; padding: 15px; text-align: center; border: 1px solid var(--bulk-dog-leashes-border-color); border-radius: 8px; text-decoration: none; color: var(--bulk-dog-leashes-primary-black); font-weight: 600; transition: all 0.3s ease; }
.bulk-dog-leashes .text-center { text-align: center; }

/* 移动端优化 */
@media (max-width: 768px) {
    .bulk-dog-leashes .container { padding: 0 20px; }
    .bulk-dog-leashes .section-padding { padding: 60px 0; }
    .bulk-dog-leashes h2 { font-size: 2rem; }
    .bulk-dog-leashes .training-master-container { padding: 40px 20px; }
    .bulk-dog-leashes .tech-label { width: 120px; font-size: 0.8rem; }
    .bulk-dog-leashes .process-canvas {
        flex-direction: column;
        gap: 40px;
        padding: 40px 20px;
        align-items: center;
    }
    .bulk-dog-leashes .process-canvas::before { display: none; }
    .bulk-dog-leashes .tech-grid { grid-template-columns: 1fr 1fr; }
    .bulk-dog-leashes .industrial-specs { grid-template-columns: 1fr; }
    .bulk-dog-leashes .comparison-split { grid-template-columns: 1fr; }
    .bulk-dog-leashes .material-feature-grid { grid-template-columns: 1fr; }
    .bulk-dog-leashes .chew-attribute-grid { grid-template-columns: 1fr; }
    .bulk-dog-leashes .multi-dog-grid { grid-template-columns: 1fr; }
    .bulk-dog-leashes .article-magazine { grid-template-columns: 1fr; }
    .bulk-dog-leashes .guide-grid { grid-template-columns: 1fr; }
    .bulk-dog-leashes .timeline-wrapper { flex-direction: column; gap: 20px; border-top: none; }
    .bulk-dog-leashes .timeline-node { border-left: 2px solid var(--bulk-dog-leashes-chew-orange); padding-left: 15px; }
}
@media (max-width: 550px) {
    .bulk-dog-leashes .tech-grid{
        grid-template-columns: 1fr;
    }
}