/* ================================================================
   欧亚品质页面专属样式 - 云南欧亚乳业有限公司
   涵盖：奶源建设(#pasture) / 智慧工厂(#factory) / 品质管控(#control)
   ================================================================ */

/* ===== Sub-Navigation (Sticky) ===== */
.quality-sub-nav {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 116px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.quality-sub-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    gap: 0;
    overflow-x: auto;
}
.quality-sub-nav-inner::-webkit-scrollbar { display: none; }
.quality-sub-nav-item {
    padding: 18px 40px;
    font-size: 15px;
    color: var(--gray-700);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    font-weight: 500;
    letter-spacing: 2px;
    text-decoration: none;
    display: block;
}
.quality-sub-nav-item:hover { color: var(--primary); }
.quality-sub-nav-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}
.quality-sub-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
}

/* ===== Page Container ===== */
.page-container { max-width: 1200px; margin: 0 auto; padding: 0 60px; }
.page-section { padding: 80px 0; }

/* ===== Section Header ===== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .en-tag {
    display: inline-block;
    font-size: 13px;
    color: var(--gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
}
.section-header h2 {
    font-size: 36px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 16px;
}
.section-header .desc {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}
.section-header .divider {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    padding: 14px 0;
}
.breadcrumb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
    font-size: 14px;
    color: var(--gray-500);
}
.breadcrumb-inner a { color: var(--gray-500); transition: color 0.3s; }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-inner .sep { margin: 0 10px; }
.breadcrumb-inner .current { color: var(--primary); font-weight: 500; }

/* ===== Scroll Fade-in ===== */
.fade-in { opacity: 0; transform: translateY(28px); transition: all 0.65s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ================================================================
   SECTION 1: 奶源建设 (#pasture)
   From quality.html - 良种奶牛 + 牧场图册 + 智慧牧场
   ================================================================ */

/* --- 奶源建设选项卡导航 --- */
.quality-tab-nav {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 116px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.quality-tab-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    gap: 0;
    overflow-x: auto;
}
.quality-tab-item {
    padding: 18px 40px;
    font-size: 15px;
    color: var(--gray-700);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    font-weight: 500;
    letter-spacing: 2px;
}
.quality-tab-item:hover { color: var(--primary); }
.quality-tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}
.quality-tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel-section { padding: 80px 0; }

/* --- Cow Tab Navigation --- */
.cow-tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 50px;
}
.cow-tab-btn {
    padding: 14px 36px;
    font-size: 15px;
    cursor: pointer;
    color: var(--gray-700);
    font-weight: 500;
    letter-spacing: 2px;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}
.cow-tab-btn:hover { color: var(--primary); }
.cow-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--gold);
    font-weight: 700;
}
.cow-panel { display: none; }
.cow-panel.active { display: block; }

/* --- Jersey Cow Hero --- */
.cow-hero-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 50px;
    box-shadow: var(--shadow-lg);
}
.cow-hero-wrap img { width: 100%; height: 500px; object-fit: cover; display: block; }
.cow-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15,41,85,0.75) 100%);
    display: flex;
    align-items: flex-end;
    padding: 50px;
}
.cow-hero-text { color: var(--white); }
.cow-hero-text h3 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.cow-hero-text .sub {
    font-size: 16px;
    opacity: 0.9;
    letter-spacing: 2px;
}

/* --- Cow Intro Block --- */
.cow-intro-block {
    background: var(--white);
    border-radius: 16px;
    padding: 50px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
}
.cow-intro-block p {
    font-size: 15px;
    line-height: 2.2;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 16px;
}
.cow-intro-block p strong { color: var(--primary); font-weight: 700; }
.cow-intro-block p .gold { color: var(--gold); font-weight: 800; }

/* --- Milk Index Stats --- */
.milk-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 36px 0;
}
.milk-stat-item {
    text-align: center;
    padding: 28px 16px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border-radius: 12px;
    border: 1px solid rgba(26,60,122,0.15);
    border-bottom: 3px solid var(--gold);
    transition: all 0.3s;
}
.milk-stat-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.milk-stat-item .num {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}
.milk-stat-item .unit {
    font-size: 14px;
    color: var(--gold);
    font-weight: 600;
    margin-top: 4px;
}
.milk-stat-item .label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 8px;
    letter-spacing: 1px;
}

/* --- Two-column Image + Text Layout --- */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin: 40px 0;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-img {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.feature-img img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
}
.feature-text h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.feature-text h4::before {
    content: '';
    width: 4px;
    height: 22px;
    background: var(--gold);
    border-radius: 2px;
    flex-shrink: 0;
}
.feature-text p {
    font-size: 15px;
    line-height: 2.2;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 12px;
}
.feature-text p strong { color: var(--primary); font-weight: 700; }

/* --- Holstein Advantage List --- */
.holstein-advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}
.adv-item {
    background: var(--gray-100);
    border-radius: 12px;
    padding: 24px;
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}
.adv-item:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateX(4px);
}
.adv-item .adv-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.adv-item .adv-title .icon { font-size: 18px; }
.adv-item p { font-size: 14px; line-height: 1.9; color: var(--gray-700); }

/* --- Video Section --- */
.video-section {
    margin: 50px 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.video-section video {
    width: 100%;
    display: block;
    max-height: 600px;
    object-fit: cover;
    background: #000;
}
.video-caption {
    background: var(--primary);
    color: var(--white);
    padding: 16px 30px;
    font-size: 14px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.video-caption::before {
    content: '▶';
    font-size: 12px;
    color: var(--gold);
}

/* --- Milk Source Tab (Pasture Atlas) --- */
.milksrc-hero {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 50px;
    box-shadow: var(--shadow-lg);
}
.milksrc-hero img { width: 100%; height: 500px; object-fit: cover; display: block; }
.milksrc-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10,30,70,0.78) 100%);
    display: flex;
    align-items: flex-end;
    padding: 50px;
}
.milksrc-hero-text { color: var(--white); max-width: 900px; }
.milksrc-hero-text h3 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.milksrc-hero-text p {
    font-size: 15px;
    line-height: 1.9;
    opacity: 0.9;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* --- Pasture Climate Stats --- */
.pasture-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}
.pasture-stat {
    text-align: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    color: var(--white);
}
.pasture-stat .num { font-size: 36px; font-weight: 800; color: var(--gold); }
.pasture-stat .unit { font-size: 13px; color: var(--gold); }
.pasture-stat .label {
    font-size: 13px;
    opacity: 0.8;
    margin-top: 6px;
    letter-spacing: 1px;
}

/* --- Pasture Cards --- */
.pasture-cards {
    display: flex;
    flex-direction: column;
    gap: 50px;
    margin-top: 30px;
}
.pasture-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s;
}
.pasture-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.pasture-card-inner { display: grid; grid-template-columns: 1fr 1fr; }
.pasture-card:nth-child(even) .pasture-card-inner { direction: rtl; }
.pasture-card:nth-child(even) .pasture-card-inner > * { direction: ltr; }
.pasture-card-img { position: relative; overflow: hidden; }
.pasture-card-img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s;
}
.pasture-card:hover .pasture-card-img img { transform: scale(1.05); }
.pasture-card-body {
    padding: 40px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.pasture-card-num {
    font-size: 48px;
    font-weight: 800;
    color: rgba(26,60,122,0.08);
    line-height: 1;
    margin-bottom: -10px;
}
.pasture-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 3px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gold-light);
}
.pasture-card-desc {
    font-size: 14px;
    line-height: 2.1;
    color: var(--gray-700);
    text-indent: 2em;
}
.pasture-badge {
    display: inline-block;
    margin-top: 16px;
    padding: 6px 16px;
    background: var(--primary-light);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 1px;
    border: 1px solid rgba(26,60,122,0.2);
}

/* ========================================
   Pasture Gallery - Horizontal Scroll
   ======================================== */
.pasture-gallery {
    margin-top: 50px;
    overflow: hidden;
    position: relative;
}
.gallery-track-wrap {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
}
.gallery-track {
    display: flex;
    gap: 20px;
    animation: galleryScroll 80s linear infinite;
    width: max-content;
}
.gallery-track:hover { animation-play-state: paused; }
@keyframes galleryScroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.gallery-item {
    flex-shrink: 0;
    width: 320px;
    height: 240px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,0.12);
    cursor: zoom-in;
    position: relative;
    transition: transform 0.35s, box-shadow 0.35s;
}
.gallery-item:hover {
    transform: scale(1.04);
    box-shadow: 0 10px 32px rgba(26,60,122,0.22);
}
.gallery-item-img {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100%;
}
.gallery-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}
.gallery-item:hover .gallery-item-img img { transform: scale(1.08); }
.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(15,41,85,0.85) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 20px 16px 12px;
    opacity: 0;
    transition: opacity 0.3s;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-overlay .zoom-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-item-overlay .zoom-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2;
}
.gallery-item-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 14px 12px;
    background: linear-gradient(to top, rgba(15,41,85,0.85) 0%, transparent 100%);
    color: #fff;
    font-size: 13px;
    letter-spacing: 2px;
    text-align: center;
    pointer-events: none;
}
.gallery-item-caption .g-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 2px;
    margin-bottom: 2px;
}
.gallery-item-caption .g-sub {
    font-size: 11px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.lightbox-overlay.active { display: flex; }
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
    z-index: 2;
}
.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,0.25); }
.lightbox-img {
    max-width: 85%;
    max-height: 75vh;
    border-radius: 8px;
    box-shadow: 0 20px 80px rgba(0,0,0,0.5);
    object-fit: contain;
}
.lightbox-caption {
    margin-top: 20px;
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    letter-spacing: 2px;
    text-align: center;
    max-width: 600px;
}
.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    letter-spacing: 2px;
}

/* ========================================
   Smart Ranch Section
   ======================================== */
.smart-ranch-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid var(--gold-light);
    position: relative;
}
.smart-ranch-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gold);
    border-radius: 2px;
}
.smart-ranch-header { text-align: center; margin-bottom: 50px; }
.smart-ranch-header .tag {
    display: inline-block;
    padding: 4px 18px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--gold);
    font-size: 12px;
    letter-spacing: 3px;
    border-radius: 20px;
    margin-bottom: 16px;
    font-weight: 600;
}
.smart-ranch-header h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 4px;
    margin-bottom: 10px;
}
.smart-ranch-header .sub-en {
    font-size: 13px;
    color: var(--gray-500);
    letter-spacing: 2px;
}
.smart-ranch-intro {
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border-radius: 16px;
    padding: 40px 50px;
    margin-bottom: 50px;
    border-left: 5px solid var(--gold);
    position: relative;
    box-shadow: var(--shadow);
}
.smart-ranch-intro p {
    font-size: 15px;
    line-height: 2.2;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 0;
}
.smart-ranch-intro p strong { color: var(--primary); font-weight: 700; }
.smart-ranch-intro p .gold { color: var(--gold); font-weight: 800; }

/* Smart Feature Items */
.smart-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 50px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
    transition: all 0.4s;
}
.smart-feature:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.smart-feature.reverse { direction: rtl; }
.smart-feature.reverse > * { direction: ltr; }
.smart-feature-img {
    position: relative;
    overflow: hidden;
    min-height: 340px;
}
.smart-feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s;
}
.smart-feature:hover .smart-feature-img img { transform: scale(1.04); }
.smart-feature-img .img-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary);
    color: var(--gold);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.smart-feature-img .img-badge svg {
    width: 14px;
    height: 14px;
    stroke: var(--gold);
    fill: none;
    stroke-width: 2;
}
.smart-feature-body {
    padding: 40px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.smart-feature-body .step-num {
    font-size: 56px;
    font-weight: 800;
    color: rgba(26,60,122,0.06);
    line-height: 1;
    margin-bottom: -8px;
}
.smart-feature-body h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 3px;
    margin-bottom: 6px;
}
.smart-feature-body .h4-sub {
    font-size: 13px;
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gold-light);
}
.smart-feature-body p {
    font-size: 14px;
    line-height: 2.1;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 10px;
}
.smart-feature-body p strong { color: var(--primary); font-weight: 700; }

.smart-ranch-conclusion {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 16px;
    padding: 50px 60px;
    margin-top: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.smart-ranch-conclusion::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(200,164,92,0.08);
}
.smart-ranch-conclusion::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(200,164,92,0.06);
}
.smart-ranch-conclusion h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 4px;
    margin-bottom: 20px;
}
.smart-ranch-conclusion p {
    font-size: 15px;
    line-height: 2.2;
    color: rgba(255,255,255,0.88);
    max-width: 900px;
    margin: 0 auto;
}
.smart-ranch-conclusion .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 28px;
}
.smart-ranch-conclusion .tag-item {
    padding: 6px 18px;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(200,164,92,0.4);
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ========================================
   Ecology Tab (from quality.html)
   ======================================== */
.about-ecology { background: var(--gray-100); }
.ecology-hero {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 50px;
    box-shadow: var(--shadow-lg);
}
.ecology-hero img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}
.ecology-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,41,85,0.2) 0%, rgba(15,41,85,0.6) 100%);
    display: flex;
    align-items: flex-end;
    padding: 40px;
}
.ecology-hero-text { color: var(--white); max-width: 800px; }
.ecology-hero-text h3 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.ecology-hero-text p {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.9;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.ecology-content {
    background: var(--white);
    border-radius: 16px;
    padding: 50px;
    box-shadow: var(--shadow);
}
.ecology-text-block {
    font-size: 15px;
    line-height: 2.2;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 20px;
}
.ecology-text-block strong { color: var(--primary); font-weight: 700; }
.ecology-text-block .highlight-gold { color: var(--gold); font-weight: 800; }
.ecology-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 40px 0;
}
.ecology-img-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}
.ecology-img-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.ecology-img-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}
.ecology-img-card .img-caption {
    padding: 12px 16px;
    background: var(--white);
    font-size: 13px;
    color: var(--gray-700);
    text-align: center;
    border-top: 2px solid var(--gold);
}
.ecology-feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin: 40px 0;
}
.ecology-feature-row .feature-text {
    font-size: 15px;
    line-height: 2.2;
    color: var(--gray-700);
    text-indent: 2em;
}
.ecology-feature-row .feature-img {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.ecology-feature-row .feature-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}
.ecology-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
    justify-content: center;
}
.ecology-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border: 1px solid var(--primary);
    border-radius: 20px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}
.ecology-tag svg {
    width: 14px;
    height: 14px;
    stroke: var(--gold);
    fill: none;
    stroke-width: 2;
}

/* ================================================================
   SECTION 2: 智慧工厂 (#factory)
   From quality1.html - 工厂基地 + 数智工厂简介
   ================================================================ */

/* --- Factory Section --- */
.factory-section {
    padding: 80px 0 70px;
    background: var(--white);
}
.factory-intro-block {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 16px;
    padding: 50px 60px;
    color: var(--white);
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}
.factory-intro-block h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 16px;
}
.factory-intro-block p {
    font-size: 15px;
    line-height: 2.2;
    opacity: 0.92;
    text-indent: 2em;
    margin-bottom: 12px;
}
.factory-cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}
.factory-cert-tag {
    padding: 8px 20px;
    background: rgba(200,164,92,0.18);
    border: 1px solid rgba(200,164,92,0.5);
    border-radius: 20px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
}
.factory-cert-tag:hover {
    background: rgba(200,164,92,0.3);
    transform: translateY(-2px);
}

/* --- Production Chips --- */
.prod-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 30px 0;
}
.prod-chip {
    padding: 8px 20px;
    background: var(--primary-light);
    border: 1px solid rgba(26,60,122,0.2);
    border-radius: 4px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
}
.prod-chip:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* --- Factory Grid (4 Phases) --- */
.factory-grid-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}
.factory-card-lg {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s;
    background: var(--white);
}
.factory-card-lg:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.factory-card-lg img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}
.factory-card-lg:hover img { transform: scale(1.05); }
.factory-card-lg .fc-body {
    padding: 22px 26px;
    border-top: 3px solid var(--gold);
}
.factory-card-lg .fc-num {
    font-size: 36px;
    font-weight: 800;
    color: rgba(26,60,122,0.08);
    line-height: 1;
    margin-bottom: -6px;
}
.factory-card-lg .fc-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 6px;
}
.factory-card-lg .fc-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* --- Section Divider Decor --- */
.section-divider-decor {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px 0 50px;
}
.section-divider-decor::before,
.section-divider-decor::after {
    content: '';
    width: 60px;
    height: 2px;
    background: var(--gray-200);
}
.section-divider-decor .diamond {
    width: 12px;
    height: 12px;
    background: var(--gold);
    transform: rotate(45deg);
    border-radius: 2px;
}

/* --- Digital Section --- */
.digital-section {
    padding: 90px 0 80px;
    background: var(--white);
}
.digital-quote-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--blue) 60%, var(--primary-dark) 100%);
    border-radius: 16px;
    padding: 40px 54px;
    display: flex;
    align-items: center;
    gap: 36px;
    margin-bottom: 50px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.digital-quote-bar::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 24px;
    font-size: 120px;
    color: rgba(255,255,255,0.06);
    font-family: Georgia, serif;
    line-height: 1;
    pointer-events: none;
}
.digital-quote-bar::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
}
.digital-quote-icon {
    width: 72px;
    height: 72px;
    background: rgba(200,164,92,0.22);
    border: 2px solid rgba(200,164,92,0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.digital-quote-icon svg {
    width: 34px;
    height: 34px;
    stroke: var(--gold);
    stroke-width: 1.5;
    fill: none;
}
.digital-quote-content { flex: 1; }
.digital-quote-content .quote-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 3px;
    margin-bottom: 10px;
}
.digital-quote-content .quote-subtitle {
    font-size: 14px;
    color: rgba(255,255,255,0.80);
    line-height: 1.9;
    letter-spacing: 0.5px;
}

/* --- Digital Timeline --- */
.digital-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    margin-bottom: 50px;
}
.digital-timeline::before {
    content: '';
    position: absolute;
    left: 42px;
    top: 60px;
    bottom: 60px;
    width: 2px;
    background: linear-gradient(to bottom, var(--gold) 0%, var(--primary) 50%, var(--gold) 100%);
    border-radius: 2px;
}
.dt-item {
    display: flex;
    gap: 36px;
    align-items: flex-start;
    padding: 0 0 40px 0;
}
.dt-item:last-child { padding-bottom: 0; }
.dt-dot-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 86px;
}
.dt-year {
    font-size: 13px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 10px;
    background: var(--primary-light);
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
}
.dt-dot {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}
.dt-dot::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
}
.dt-body {
    flex: 1;
    background: var(--gray-100);
    border-radius: 14px;
    padding: 28px 34px;
    border-left: 4px solid var(--gold);
    transition: all 0.35s;
    margin-top: 4px;
}
.dt-body:hover {
    background: var(--primary-light);
    transform: translateX(6px);
    box-shadow: var(--shadow);
}
.dt-body-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.dt-body-title .title-badge {
    font-size: 11px;
    font-weight: 600;
    background: var(--gold);
    color: #fff;
    padding: 3px 10px;
    border-radius: 10px;
    letter-spacing: 1px;
}
.dt-body-text {
    font-size: 14.5px;
    color: var(--gray-700);
    line-height: 2.1;
    text-indent: 2em;
}
.dt-body-text strong { color: var(--primary); font-weight: 700; }
.dt-honor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}
.dt-honor-tag {
    padding: 5px 14px;
    background: rgba(26,60,122,0.08);
    border: 1px solid rgba(26,60,122,0.2);
    border-radius: 4px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s;
}
.dt-honor-tag:hover { background: var(--primary); color: #fff; }

/* --- Digital Summary --- */
.digital-summary {
    margin-top: 50px;
    background: linear-gradient(135deg, #F5ECD7 0%, #FDF8F0 100%);
    border-radius: 16px;
    padding: 40px 50px;
    border-left: 5px solid var(--gold);
    position: relative;
    overflow: hidden;
}
.digital-summary::after {
    content: '欧亚';
    position: absolute;
    right: -10px;
    bottom: -20px;
    font-size: 90px;
    font-weight: 900;
    color: rgba(200,164,92,0.07);
    letter-spacing: 10px;
    pointer-events: none;
}
.digital-summary-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gold-dark);
    letter-spacing: 2px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.digital-summary-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 20px;
    background: var(--gold);
    border-radius: 2px;
    flex-shrink: 0;
}
.digital-summary-text {
    font-size: 14.5px;
    color: #6B4F2A;
    line-height: 2.2;
    text-indent: 2em;
}

/* ================================================================
   SECTION 3: 品质管控 (#control)
   From quality2.html - 品质管控 + 质量管控
   ================================================================ */

/* --- QC Hero --- */
.qc-hero-section {
    padding: 90px 40px 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--gray-100) 0%, #fff 100%);
}
.qc-hero-inner { max-width: 900px; margin: 0 auto; }
.qc-hero-en {
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 6px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.qc-hero-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 6px;
    line-height: 1.3;
    margin-bottom: 24px;
}
.qc-hero-divider {
    width: 80px;
    height: 3px;
    background: var(--gold);
    margin: 0 auto 24px;
    border-radius: 2px;
}
.qc-hero-sub {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.9;
    max-width: 700px;
    margin: 0 auto;
}

/* --- QC Main Cards --- */
.qc-main { padding: 0 0 80px; }
.qc-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(26,60,122,0.06);
    border: 1px solid rgba(26,60,122,0.06);
    margin-bottom: 44px;
    transition: transform 0.35s, box-shadow 0.35s;
    position: relative;
    display: flex;
    align-items: stretch;
    min-height: 380px;
}
.qc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--card-accent, var(--primary));
    border-radius: 5px 0 0 5px;
    z-index: 2;
}
.qc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(26,60,122,0.12);
}
.qc-card:nth-child(even) { flex-direction: row; }
.qc-card:nth-child(odd) { flex-direction: row-reverse; }
.qc-card-img {
    flex: 0 0 460px;
    position: relative;
    overflow: hidden;
    background: var(--primary-light);
}
.qc-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s;
}
.qc-card:hover .qc-card-img img { transform: scale(1.05); }
.qc-card-img .img-num {
    position: absolute;
    top: 24px;
    left: 24px;
    font-size: 80px;
    font-weight: 900;
    color: rgba(255,255,255,0.30);
    line-height: 1;
    z-index: 1;
    letter-spacing: -3px;
}
.qc-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26,60,122,0.05) 0%, rgba(26,60,122,0.25) 100%);
    pointer-events: none;
}
.qc-card-text {
    flex: 1;
    padding: 44px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.qc-card-text .qc-icon-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}
.qc-card-text .qc-icon-circle {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--card-accent, var(--primary)), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(26,60,122,0.2);
    flex-shrink: 0;
}
.qc-card-text .qc-icon-circle svg { width: 28px; height: 28px; color: #fff; }
.qc-card-text .qc-text-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 3px;
    line-height: 1.3;
}
.qc-card-text .qc-text-divider {
    width: 50px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
    margin-bottom: 20px;
}
.qc-card-text p {
    font-size: 14px;
    line-height: 2.1;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 12px;
}
.qc-card-text p:last-child { margin-bottom: 0; }
.qc-card-text p strong { color: var(--primary); font-weight: 700; }
.hl-gold {
    color: var(--gold-dark);
    font-weight: 700;
    background: var(--gold-light);
    padding: 1px 6px;
    border-radius: 4px;
}

/* --- Certificate Card --- */
.qc-card-img-cert {
    flex: 0 0 400px !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
}
.qc-card-img-cert img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    padding: 20px;
}
.qc-card-img-cert .img-num { color: rgba(26,60,122,0.15); }

/* --- Quality Indicators --- */
.quality-indicators {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 2px dashed var(--gray-200);
}
.quality-indicator-item {
    text-align: center;
    padding: 28px 16px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border-radius: 12px;
    border: 1px solid rgba(26,60,122,0.10);
    border-bottom: 3px solid var(--gold);
    transition: all 0.3s;
}
.quality-indicator-item:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.quality-indicator-item .qi-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}
.quality-indicator-item .qi-unit {
    font-size: 14px;
    color: var(--gold);
    font-weight: 600;
}
.quality-indicator-item .qi-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 8px;
    letter-spacing: 1px;
}

/* --- Values Strip --- */
.values-strip {
    background: linear-gradient(135deg, var(--primary) 0%, #1a5fa0 50%, var(--primary-dark) 100%);
    padding: 50px 0;
    position: relative;
    overflow: hidden;
    margin-top: 60px;
    border-radius: 16px;
}
.values-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.values-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.value-card {
    text-align: center;
    padding: 28px 16px;
    background: rgba(255,255,255,0.06);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.value-card:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-4px);
    border-color: rgba(200,164,92,0.4);
}
.value-card .vc-icon { font-size: 40px; margin-bottom: 14px; }
.value-card .vc-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 3px;
    margin-bottom: 8px;
}
.value-card .vc-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 70px 0;
    text-align: center;
    color: #fff;
}
.cta-section h2 {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
}
.cta-section p {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 32px;
    line-height: 1.8;
}
.cta-btn {
    display: inline-block;
    padding: 14px 48px;
    background: var(--gold);
    color: #fff;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    transition: all 0.3s;
}
.cta-btn:hover {
    background: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200,164,92,0.4);
}

/* ================================================================
   RESPONSIVE - All Sections
   ================================================================ */

@media (max-width: 1200px) {
    .quality-sub-nav-inner { padding: 0 30px; }
    .quality-sub-nav-item { padding: 18px 28px; font-size: 14px; }
    .page-container { padding: 0 40px; }
    .breadcrumb-inner { padding: 0 40px; }
    .quality-tab-inner { padding: 0 30px; }
    .quality-tab-item { padding: 18px 28px; font-size: 14px; }
}

@media (max-width: 1100px) {
    .factory-intro-block { padding: 40px 40px; }
    .qc-hero-section { padding: 70px 30px 50px; }
    .qc-hero-title { font-size: 34px; letter-spacing: 4px; }
    .qc-card { min-height: auto; }
    .qc-card-img { flex: 0 0 360px; }
    .qc-card-img-cert { flex: 0 0 320px !important; }
    .qc-card-img-cert img { height: 320px; }
    .qc-card-text { padding: 36px 32px; }
}

@media (max-width: 1024px) {
    .quality-sub-nav-inner { padding: 0 20px; }
    .quality-sub-nav-item { padding: 16px 22px; font-size: 13px; letter-spacing: 1px; }
    .page-container { padding: 0 30px; }
    .breadcrumb-inner { padding: 0 30px; }
    .page-section { padding: 50px 0; }
    .tab-panel-section { padding: 50px 0; }
    .cow-hero-wrap img { height: 360px; }
    .cow-intro-block { padding: 36px; }
    .feature-row { grid-template-columns: 1fr; gap: 30px; }
    .feature-row.reverse { direction: ltr; }
    .feature-img img { height: 260px; }
    .milk-stats { grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .holstein-advantages { grid-template-columns: 1fr; }
    .milksrc-hero img { height: 360px; }
    .pasture-card-inner { grid-template-columns: 1fr; }
    .pasture-card:nth-child(even) .pasture-card-inner { direction: ltr; }
    .pasture-card-img img { height: 260px; }
    .pasture-card-body { padding: 30px; }
    .ecology-image-grid { grid-template-columns: repeat(2, 1fr); }
    .ecology-feature-row { grid-template-columns: 1fr; }
    .gallery-item { width: 280px; height: 210px; }
    .ecology-content { padding: 36px; }
    .smart-ranch-intro { padding: 30px 36px; }
    .smart-feature { grid-template-columns: 1fr; }
    .smart-feature.reverse { direction: ltr; }
    .smart-feature-img { min-height: 260px; }
    .smart-feature-body { padding: 30px; }
    .smart-feature-body h4 { font-size: 19px; }
    .smart-ranch-conclusion { padding: 36px 30px; }
}

@media (max-width: 900px) {
    .quality-sub-nav { top: 104px; }
    .quality-tab-nav { top: 104px; }
    .factory-grid-4 { grid-template-columns: 1fr; gap: 20px; }
    .factory-card-lg img { height: 220px; }
    .digital-achieve-grid { grid-template-columns: 1fr 1fr; }
    .digital-quote-bar { padding: 28px 28px; gap: 20px; }
    .qc-hero-section { padding: 50px 24px 40px; }
    .qc-hero-title { font-size: 28px; letter-spacing: 3px; }
    .qc-hero-sub { font-size: 14px; }
    .qc-card { flex-direction: column !important; min-height: auto; }
    .qc-card:nth-child(even),
    .qc-card:nth-child(odd) { flex-direction: column !important; }
    .qc-card-img { flex: 0 0 260px; min-height: 260px; }
    .qc-card-img-cert { flex: 0 0 260px !important; }
    .qc-card-img-cert img { height: 260px; padding: 14px; }
    .qc-card-img .img-num { font-size: 60px; top: 16px; left: 16px; }
    .qc-card-text { padding: 28px 28px 32px; }
    .qc-text-title { font-size: 20px; letter-spacing: 2px; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .quality-sub-nav { top: 64px; }
    .quality-sub-nav-inner {
        padding: 0 16px;
        -webkit-overflow-scrolling: touch;
    }
    .quality-sub-nav-item {
        padding: 14px 16px;
        font-size: 12px;
        letter-spacing: 1px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .page-section { padding: 32px 0; }
    .page-container { padding: 0 16px; }
    .breadcrumb-inner { padding: 0 16px; }
    .section-header h2 { font-size: 26px; }
    .section-header { margin-bottom: 32px; }

    /* Pasture */
    .quality-tab-nav { top: 64px; }
    .quality-tab-inner { padding: 0 16px; -webkit-overflow-scrolling: touch; }
    .quality-tab-inner::-webkit-scrollbar { display: none; }
    .quality-tab-item { padding: 14px 16px; font-size: 12px; letter-spacing: 1px; white-space: nowrap; flex-shrink: 0; }
    .tab-panel-section { padding: 32px 0; }
    .cow-hero-wrap img { height: 280px; }
    .cow-hero-text h3 { font-size: 22px; }
    .cow-intro-block { padding: 24px; }
    .cow-intro-block p { font-size: 14px; line-height: 2; }
    .milk-stats { grid-template-columns: 1fr; }
    .feature-row { grid-template-columns: 1fr; }
    .feature-img img { height: 220px; }
    .feature-text h4 { font-size: 17px; }
    .holstein-advantages { grid-template-columns: 1fr; }
    .milksrc-hero img { height: 280px; }
    .milksrc-hero-text h3 { font-size: 20px; }
    .pasture-stats { grid-template-columns: 1fr; }
    .pasture-card-img img { height: 220px; }
    .pasture-card-body { padding: 24px; }
    .pasture-card-title { font-size: 18px; }
    .ecology-hero img { height: 280px; }
    .ecology-hero-text h3 { font-size: 20px; }
    .ecology-content { padding: 24px; }
    .ecology-image-grid { grid-template-columns: 1fr; }
    .ecology-img-card img { height: 180px; }
    .gallery-item { width: 240px; height: 180px; }
    .ecology-feature-row { grid-template-columns: 1fr; }
    .ecology-feature-row .feature-img img { height: 220px; }
    .ecology-tags { gap: 8px; }
    .smart-ranch-header h3 { font-size: 24px; }
    .smart-ranch-intro { padding: 24px; }
    .smart-ranch-intro p { font-size: 14px; line-height: 2; }
    .smart-feature { margin-bottom: 30px; }
    .smart-feature-img { min-height: 220px; }
    .smart-feature-body { padding: 24px; }
    .smart-feature-body .step-num { font-size: 40px; }
    .smart-feature-body h4 { font-size: 17px; letter-spacing: 2px; }
    .smart-feature-body .h4-sub { font-size: 12px; }
    .smart-feature-body p { font-size: 13px; line-height: 2; }
    .smart-ranch-conclusion { padding: 30px 24px; }
    .smart-ranch-conclusion h4 { font-size: 18px; }
    .smart-ranch-conclusion p { font-size: 14px; line-height: 2; }
    .smart-ranch-conclusion .tag-item { font-size: 12px; padding: 5px 14px; }

    /* Factory */
    .factory-section { padding: 50px 0 40px; }
    .factory-intro-block { padding: 28px 20px; border-radius: 12px; margin-bottom: 30px; }
    .factory-intro-block h3 { font-size: 18px; letter-spacing: 2px; }
    .factory-intro-block p { font-size: 13px; line-height: 1.9; }
    .factory-cert-tags { gap: 6px; }
    .factory-cert-tag { padding: 6px 14px; font-size: 11px; }
    .prod-chips { gap: 6px; margin: 20px 0; }
    .prod-chip { padding: 6px 14px; font-size: 11px; }
    .factory-grid-4 { grid-template-columns: 1fr; gap: 16px; }
    .factory-card-lg img { height: 200px; }
    .factory-card-lg .fc-body { padding: 16px 20px; }
    .factory-card-lg .fc-name { font-size: 16px; }
    .factory-card-lg .fc-desc { font-size: 12px; }
    .section-divider-decor { padding: 24px 0 32px; }
    .digital-section { padding: 50px 0 40px; }
    .digital-quote-bar { flex-direction: column; gap: 16px; padding: 24px 20px; border-radius: 12px; }
    .digital-quote-icon { width: 54px; height: 54px; }
    .digital-quote-icon svg { width: 26px; height: 26px; }
    .digital-quote-content .quote-title { font-size: 16px; }
    .digital-quote-content .quote-subtitle { font-size: 12.5px; }
    .digital-timeline::before { left: 37px; }
    .dt-dot-col { width: 76px; }
    .dt-year { font-size: 11px; padding: 3px 7px; }
    .dt-dot { width: 22px; height: 22px; }
    .dt-dot::after { width: 8px; height: 8px; }
    .dt-body { padding: 20px 18px; }
    .dt-body-title { font-size: 15px; }
    .dt-body-text { font-size: 13px; line-height: 1.9; text-indent: 1.5em; }
    .digital-achieve-grid { grid-template-columns: 1fr; gap: 16px; }
    .digital-summary { padding: 28px 20px; }
    .digital-summary-title { font-size: 15px; }
    .digital-summary-text { font-size: 13px; line-height: 1.9; text-indent: 1.5em; }

    /* Quality Control */
    .qc-hero-section { padding: 40px 16px 30px; }
    .qc-hero-title { font-size: 22px; letter-spacing: 2px; }
    .qc-hero-en { font-size: 12px; letter-spacing: 4px; }
    .qc-hero-sub { font-size: 13px; line-height: 1.8; }
    .qc-main { padding-bottom: 50px; }
    .qc-card { margin-bottom: 24px; border-radius: 14px; }
    .qc-card-img { flex: 0 0 220px; min-height: 220px; }
    .qc-card-img-cert { flex: 0 0 220px !important; }
    .qc-card-img-cert img { height: 220px; padding: 10px; }
    .qc-card-img .img-num { font-size: 48px; top: 12px; left: 12px; }
    .qc-card-text { padding: 24px 18px 28px; }
    .qc-icon-circle { width: 44px; height: 44px; border-radius: 10px; }
    .qc-icon-circle svg { width: 22px; height: 22px; }
    .qc-text-title { font-size: 18px; letter-spacing: 2px; }
    .qc-card-text p { font-size: 13px; line-height: 1.9; text-indent: 1.5em; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .values-strip { margin-top: 40px; padding: 36px 0; }
    .quality-indicators { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .quality-indicator-item .qi-num { font-size: 28px; }
}

@media (max-width: 480px) {
    .quality-sub-nav-item { padding: 12px 12px; font-size: 11px; }
    .page-section { padding: 24px 0; }
    .section-header h2 { font-size: 22px; }
    .quality-tab-item { padding: 12px 12px; font-size: 11px; }
    .tab-panel-section { padding: 24px 0; }
    .cow-hero-wrap img { height: 220px; }
    .milksrc-hero img { height: 220px; }
    .ecology-hero img { height: 220px; }
    .ecology-tag { padding: 6px 14px; font-size: 11px; }
    .smart-ranch-header h3 { font-size: 20px; }
    .smart-ranch-intro { padding: 20px; }
    .smart-feature-img { min-height: 180px; }
    .smart-feature-body { padding: 20px; }
    .smart-ranch-conclusion { padding: 24px 16px; }
    .gallery-item { width: 200px; height: 150px; }

    .factory-intro-block { padding: 20px 14px; }
    .factory-intro-block h3 { font-size: 16px; }
    .factory-card-lg img { height: 170px; }
    .digital-quote-bar { padding: 18px 14px; }
    .dt-item { gap: 14px; }
    .dt-dot-col { width: 66px; }
    .dt-body { padding: 14px 14px; }

    .qc-hero-title { font-size: 18px; letter-spacing: 1px; }
    .qc-card-img { flex: 0 0 180px; min-height: 180px; }
    .qc-card-img-cert { flex: 0 0 180px !important; }
    .qc-card-img-cert img { height: 180px; padding: 8px; }
    .qc-card-img .img-num { font-size: 36px; }
    .qc-card-text { padding: 18px 14px 22px; }
    .qc-icon-circle { width: 38px; height: 38px; }
    .qc-icon-circle svg { width: 20px; height: 20px; }
    .qc-text-title { font-size: 15px; letter-spacing: 1px; }
    .qc-card-text p { font-size: 12px; line-height: 1.85; }
    .values-grid { grid-template-columns: 1fr; }
    .quality-indicators { grid-template-columns: 1fr; gap: 10px; }
    .cta-section h2 { font-size: 24px; }
    .cta-section p { font-size: 13px; }
}