/* ======================================== */
/* about.css - 关于我们页面专属样式          */
/* 包含：子导航、企业简介、发展历程、企业文化、荣誉展示 */
/* ======================================== */

/* ===== Sub Navigation (子导航) ===== */
.sub-nav {
    position: sticky;
    top: 116px;
    z-index: 900;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    border-bottom: 1px solid var(--gray-200);
}
.sub-nav-inner {
    display: flex;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 0;
}
.sub-nav a {
    display: block;
    padding: 14px 28px;
    font-size: 14px;
    color: var(--gray-700);
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    font-weight: 500;
    letter-spacing: 1px;
}
.sub-nav a:hover {
    color: var(--primary);
}
.sub-nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* ===== Common Section (about page) ===== */
.about-container { max-width: 1200px; margin: 0 auto; padding: 0 60px; }

/* ======================================== */
/* 1. 企业简介                               */
/* ======================================== */
.about-hero {
    padding: 80px 0 90px;
    background: linear-gradient(180deg, #fff 0%, var(--primary-light) 100%);
}
.about-hero .section-header {
    text-align: center;
    margin-bottom: 60px;
}
.about-hero .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;
}
.about-hero .section-header h2 {
    font-size: 36px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 16px;
}
.about-hero .section-header .desc {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}
.about-hero .section-header .divider {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 20px auto 0;
    border-radius: 2px;
}
.about-intro-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border-radius: 16px;
    padding: 48px 60px;
    border-left: 5px solid var(--gold);
    margin-bottom: 50px;
}
.about-intro-text p {
    font-size: 16px;
    line-height: 2.2;
    color: var(--gray-700);
    text-indent: 2em;
    margin-bottom: 16px;
}
.about-intro-text p:last-child { margin-bottom: 0; }

/* 关键数据 */
.key-data {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 40px;
}
.key-data-item {
    text-align: center;
    padding: 24px 12px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-bottom: 3px solid var(--primary);
}
.key-data-item .num {
    font-size: 35px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
}
.key-data-item .num .unit {
    font-size: 14px;
    color: var(--gold-dark);
    font-weight: 600;
}
.key-data-item .label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 6px;
}

/* ======================================== */
/* 2. 发展历程 - S弧飞行轨迹                 */
/* ======================================== */
.about-history {
    background: linear-gradient(180deg, #0a1d4a 0%, #0e2a6b 30%, #1a3c7a 60%, #1e4d9b 85%, #2259b0 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0 0;
}
.about-history::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(255,255,255,0.9) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.5) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.7) 1px, transparent 1px);
    background-size: 120px 120px, 80px 80px, 200px 200px;
    background-position: 10px 10px, 40px 60px, 0 0;
    pointer-events: none;
    z-index: 0;
}
.about-history .about-container { position: relative; z-index: 1; }
.about-history .section-header { text-align: center; margin-bottom: 60px; }
.about-history .section-header .en-tag {
    display: inline-block;
    font-size: 13px;
    color: rgba(200,164,92,0.85);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
}
.about-history .section-header h2 {
    font-size: 36px;
    color: #fff;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 16px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}
.about-history .section-header .desc {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}
.about-history .section-header .divider {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* 光晕装饰层 */
.history-glow-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* S弧轨迹 + 节点区域 */
.history-track-wrap {
    position: relative;
    width: 100%;
    height: 570px;
    z-index: 10;
}
.history-track-svg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
    z-index: 1;
}

/* 节点卡片（绝对定位） */
.ht-node {
    position: absolute;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    width: 280px;
}
/* card-down：年份→线→dot→线→card */
.ht-node.card-down { flex-direction: column; }
/* card-up：card→线→dot→线→年份 */
.ht-node.card-up { flex-direction: column-reverse; }

/* 年份胶囊标签 */
.ht-node .ht-year {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13.5px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    white-space: nowrap;
    background: var(--gold);
    padding: 5px 16px;
    border-radius: 20px;
    box-shadow: 0 2px 14px rgba(200,164,92,0.55);
    z-index: 3;
}
.ht-node .ht-year::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 24px;
    box-shadow: 0 0 18px rgba(200,164,92,0.35);
    z-index: -1;
}

/* 连接竖线 */
.ht-node .ht-line {
    width: 1.5px;
    flex-shrink: 0;
    background: linear-gradient(180deg, rgba(200,164,92,0.8) 0%, rgba(200,164,92,0.3) 100%);
}

/* 节点圆点（金色发光） */
.ht-node .ht-dot {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--gold);
    border: 3px solid rgba(255,255,255,0.35);
    box-shadow:
        0 0 0 5px rgba(200,164,92,0.22),
        0 0 20px rgba(200,164,92,0.9),
        0 0 40px rgba(200,164,92,0.5);
    flex-shrink: 0;
    z-index: 3;
}

/* 内容卡片 */
.ht-node .ht-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(200,164,92,0.25);
    border-radius: 10px;
    padding: 12px 14px;
    backdrop-filter: blur(4px);
    width: 195px;
    transition: all 0.3s;
}
.ht-node .ht-card:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(200,164,92,0.55);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.ht-node .ht-card ul { list-style: none; }
.ht-node .ht-card li {
    font-size: 12px;
    color: rgba(255,255,255,0.88);
    line-height: 1.75;
    padding-left: 14px;
    position: relative;
    margin-bottom: 3px;
    padding-bottom: 5px;
    border-bottom: 1px dashed rgba(255,255,255,0.1);
}
.ht-node .ht-card li:last-child {
    margin-bottom: 0;
    border-bottom: none;
}
.ht-node .ht-card li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-size: 8px;
    top: 0;
}
.ht-node .ht-card li.hi {
    color: #ffe08a;
    font-weight: 700;
}

/* 底部雪山 */
.history-mountain-layer {
    position: relative;
    z-index: 5;
    pointer-events: none;
    margin-top: -2px;
}
.history-mountain-layer svg {
    display: block;
    width: 100%;
}

/* 移动端垂直列表 */
.history-vertical-list { display: none; }
.history-vertical-list .history-item {
    display: flex;
    gap: 14px;
    margin-bottom: 14px;
    padding: 14px 16px;
    background: rgba(255,255,255,0.07);
    border-radius: 10px;
    border-left: 3px solid var(--gold);
}
.history-vertical-list .history-year {
    flex-shrink: 0;
    min-width: 80px;
    font-size: 13px;
    font-weight: 800;
    color: var(--gold);
    letter-spacing: 1px;
}
.history-vertical-list .history-events { flex: 1; }
.history-vertical-list .history-events li {
    font-size: 12px;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    padding-left: 14px;
    position: relative;
}
.history-vertical-list .history-events li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-size: 8px;
}
.history-vertical-list .history-events li.hi {
    color: #ffe08a;
    font-weight: 600;
}

/* ======================================== */
/* 3. 企业文化                               */
/* ======================================== */
.culture-page {
    position: relative;
    padding: 90px 0 100px;
    background: linear-gradient(160deg, #0F2955 0%, #1A3C7A 45%, #163470 100%);
    overflow: hidden;
}
.culture-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(200,164,92,0.06) 1px, transparent 1px);
    background-size: 36px 36px;
    z-index: 1;
}
.culture-bg-img {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.06;
    pointer-events: none;
}
.culture-bg-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(2px) brightness(1.1);
}
.culture-page-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 2;
}

/* Culture Section Header */
.culture-page-header {
    text-align: center;
    margin-bottom: 28px;
}
.culture-page-tag {
    display: inline-block;
    background: rgba(200,164,92,0.15);
    color: var(--gold);
    font-size: 12px;
    padding: 4px 16px;
    border-radius: 12px;
    letter-spacing: 3px;
    margin-bottom: 14px;
    font-weight: 600;
}
.culture-page-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 6px;
    margin-bottom: 12px;
}
.culture-page-line {
    width: 80px;
    height: 2px;
    background: var(--gold);
    margin: 0 auto;
    border-radius: 1px;
}

/* Motto */
.culture-page-motto {
    text-align: center;
    font-size: 17px;
    color: rgba(255,255,255,0.82);
    letter-spacing: 2px;
    line-height: 2;
    margin: 30px auto 56px;
    max-width: 760px;
    border-left: 3px solid var(--gold);
    border-right: 3px solid var(--gold);
    padding: 20px 36px;
}

/* 6 Cards Grid (2x3) */
.culture-page-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}
.culture-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(200,164,92,0.18);
    border-radius: 14px;
    padding: 0;
    overflow: hidden;
    transition: all 0.38s cubic-bezier(0.4,0,0.2,1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: default;
}
.culture-card:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(200,164,92,0.60);
    transform: translateY(-8px);
    box-shadow: 0 20px 52px rgba(0,0,0,0.38);
}
.culture-card-bar {
    height: 5px;
    width: 100%;
}
/* 6 color bars */
.culture-card:nth-child(1) .culture-card-bar { background: linear-gradient(90deg,#1A6FB5,#2196F3); }
.culture-card:nth-child(2) .culture-card-bar { background: linear-gradient(90deg,#C8A45C,#f5d080); }
.culture-card:nth-child(3) .culture-card-bar { background: linear-gradient(90deg,#27AE60,#82e0aa); }
.culture-card:nth-child(4) .culture-card-bar { background: linear-gradient(90deg,#8E44AD,#c39bd3); }
.culture-card:nth-child(5) .culture-card-bar { background: linear-gradient(90deg,#E67E22,#f0b27a); }
.culture-card:nth-child(6) .culture-card-bar { background: linear-gradient(90deg,#1ABC9C,#76d7c4); }

.culture-card-body {
    padding: 32px 28px 34px;
}
.culture-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: rgba(200,164,92,0.10);
    border: 1px solid rgba(200,164,92,0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: background 0.38s, border-color 0.38s, transform 0.38s;
}
.culture-card:hover .culture-card-icon {
    background: rgba(200,164,92,0.25);
    border-color: rgba(200,164,92,0.70);
    transform: scale(1.12) rotate(-5deg);
}
.culture-card-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--gold);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.3s, transform 0.38s;
}
.culture-card:hover .culture-card-icon svg {
    stroke: #f5d080;
}
.culture-card-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 3px;
    margin-bottom: 12px;
}
.culture-card-text {
    font-size: 14px;
    color: rgba(255,255,255,0.72);
    line-height: 2;
    letter-spacing: 1px;
}

/* Spirit Row */
.culture-spirit-row {
    display: flex;
    gap: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(200,164,92,0.20);
    border-radius: 14px;
    overflow: hidden;
}
.culture-spirit-item {
    flex: 1;
    text-align: center;
    padding: 34px 20px;
    position: relative;
    transition: background 0.3s;
}
.culture-spirit-item:hover {
    background: rgba(200,164,92,0.10);
}
.culture-spirit-item + .culture-spirit-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 22%;
    height: 56%;
    width: 1px;
    background: rgba(200,164,92,0.25);
}
.culture-spirit-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.culture-spirit-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--gold);
    stroke-width: 1.5;
    fill: none;
}
.culture-spirit-label {
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 4px;
    margin-bottom: 10px;
}
.culture-spirit-sub {
    font-size: 13px;
    color: rgba(255,255,255,0.60);
    letter-spacing: 1px;
    line-height: 1.7;
}

/* ======================================== */
/* 4. 荣誉展示                               */
/* ======================================== */
.honors-section {
    padding: 70px 0 80px;
    background: linear-gradient(180deg, #fff 0%, #F5F7FA 100%);
}
.honors-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Honors Section Header */
.honors-section .section-header {
    text-align: center;
    margin-bottom: 44px;
    padding: 0 20px;
}
.honors-section .section-tag {
    display: inline-block;
    background: var(--gold-light);
    color: var(--gold-dark);
    font-size: 12px;
    padding: 4px 16px;
    border-radius: 12px;
    letter-spacing: 2px;
    margin-bottom: 12px;
    font-weight: 600;
}
.honors-section .section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 5px;
    margin-bottom: 10px;
}
.honors-section .section-line {
    width: 70px;
    height: 2px;
    background: var(--gold);
    margin: 14px auto 0;
    border-radius: 1px;
}

/* 选项卡 Tab */
.honors-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 44px;
    border-bottom: 2px solid var(--gray-200);
}
.honor-tab {
    padding: 14px 40px;
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
    letter-spacing: 3px;
    user-select: none;
}
.honor-tab:hover {
    color: var(--primary);
}
.honor-tab.active {
    color: var(--primary);
}
.honor-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 20%;
    right: 20%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    border-radius: 2px;
}

/* Tab 内容面板 */
.tab-panel {
    display: none;
    animation: tabFadeIn 0.4s ease-out;
}
.tab-panel.active {
    display: block;
}
@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 核心荣誉图片网格 */
.honors-grid-img {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}
.honor-card-img {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid var(--gray-200);
}
.honor-card-img:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}
.honor-card-img .honor-img-wrap {
    position: relative;
    padding: 20px 20px 0;
    background: linear-gradient(180deg, var(--primary-light) 0%, #fff 100%);
}
.honor-card-img .honor-img-wrap img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.4s ease;
}
.honor-card-img:hover .honor-img-wrap img {
    transform: scale(1.05);
}
.honor-card-img .honor-info {
    padding: 16px 20px 20px;
    text-align: center;
}
.honor-card-img .honor-info .honor-num {
    display: inline-block;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    line-height: 28px;
    text-align: center;
    margin-bottom: 8px;
}
.honor-card-img .honor-info .honor-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.5;
}

/* 绿色食品10强子卡片组 */
.honor-sub-group {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: 40px;
}
.honor-sub-group-title {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.honor-sub-group-title::before,
.honor-sub-group-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--gold);
}
.honor-sub-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.honor-sub-card {
    background: var(--gray-100);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}
.honor-sub-card:hover {
    background: var(--white);
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.honor-sub-card img {
    width: 100%;
    height: 140px;
    object-fit: contain;
    border-radius: 6px;
    margin-bottom: 10px;
}
.honor-sub-card .sub-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
}
.honor-sub-card .sub-year {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* 分隔线 */
.honors-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 60px 0;
}
.honors-divider::before,
.honors-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
}
.honors-divider span {
    font-size: 14px;
    color: var(--gray-500);
    letter-spacing: 2px;
    font-weight: 500;
}

/* 资质证书图片网格 - 动态分页 */
.cert-grid-dyn {
    display: grid;
    gap: 20px;
}
.cert-grid-dyn.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cert-grid-dyn.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cert-grid-dyn.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cert-card-img {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid var(--gray-200);
}
.cert-card-img:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}
.cert-card-img .cert-img-wrap {
    position: relative;
    padding: 20px 20px 0;
    background: linear-gradient(180deg, var(--primary-light) 0%, #fff 100%);
}
.cert-card-img .cert-img-wrap img {
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.4s ease;
    display: block;
}
/* 竖版证书高度 */
.cert-card-img.portrait .cert-img-wrap img { height: 240px; }
/* 方形/横版证书高度 */
.cert-card-img.landscape .cert-img-wrap img { height: 200px; }
/* 超窄竖版（圳品/绿色食品） */
.cert-card-img.slim .cert-img-wrap img { height: 260px; }
.cert-card-img:hover .cert-img-wrap img { transform: scale(1.05); }
.cert-card-img .cert-info {
    padding: 14px 16px 18px;
    text-align: center;
}
.cert-card-img .cert-info .cert-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.55;
}
.cert-card-img .cert-info .cert-num {
    display: inline-block;
    width: 26px;
    height: 26px;
    background: var(--gold);
    color: var(--white);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    line-height: 26px;
    text-align: center;
    margin-bottom: 8px;
}

/* 分组小标题 */
.cert-group-label {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 36px 0 20px;
}
.cert-group-label::before,
.cert-group-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-300));
}
.cert-group-label::after {
    background: linear-gradient(90deg, var(--gray-300), transparent);
}
.cert-group-label span {
    font-size: 13px;
    color: var(--gold-dark);
    letter-spacing: 2px;
    font-weight: 600;
    white-space: nowrap;
    background: var(--gold-light);
    padding: 4px 14px;
    border-radius: 10px;
}

/* 分页控件 */
.pagination-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    user-select: none;
}
.pagination-wrap .page-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    background: var(--white);
    color: var(--dark);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.pagination-wrap .page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.pagination-wrap .page-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(26,60,122,0.3);
}
.pagination-wrap .page-btn.arrow-btn {
    font-size: 18px;
}
.pagination-wrap .page-btn.arrow-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--gray-200);
    color: var(--gray-300);
}
.pagination-wrap .page-info {
    font-size: 13px;
    color: var(--gray-500);
    margin: 0 8px;
}
.page-grid-enter { animation: pageGridIn 0.4s ease forwards; }
@keyframes pageGridIn {
    0% { opacity: 0; transform: translateY(16px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* 荣誉灯箱 */
.honor-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.honor-lightbox.show {
    opacity: 1;
    visibility: visible;
}
.honor-lightbox img {
    max-width: 80%;
    max-height: 80%;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.honor-lightbox .lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--white);
    font-size: 24px;
    transition: all 0.3s;
}
.honor-lightbox .lightbox-close:hover {
    background: rgba(255,255,255,0.3);
}
.honor-lightbox .lightbox-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
    text-align: center;
    background: rgba(0,0,0,0.5);
    padding: 10px 30px;
    border-radius: 8px;
    max-width: 80%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ======================================== */
/* 响应式                                    */
/* ======================================== */
@media (max-width: 1200px) {
    .culture-page-inner { max-width: 960px; }
    .culture-page-title { font-size: 36px; }
    .culture-page-cards { gap: 22px; }
    .culture-card-body { padding: 26px 22px 28px; }
}

@media (max-width: 1100px) {
    .about-container { padding: 0 30px; }
    .sub-nav-inner { padding: 0 30px; }
}

@media (max-width: 900px) {
    .about-container { padding: 0 20px; }
    .about-intro-text { padding: 30px 24px !important; }
    .about-intro-text p { font-size: 14px !important; line-height: 1.9 !important; }
    .key-data { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .key-data-item { padding: 18px 10px; }
    .key-data-item .num { font-size: 28px !important; }

    .culture-page { padding: 56px 0 64px; }
    .culture-page-inner { padding: 0 24px; }
    .culture-page-cards { grid-template-columns: 1fr 1fr; gap: 18px; }

    .honors-section { padding: 50px 0 60px; }
}

@media (max-width: 768px) {
    .sub-nav { top: 96px; }
    .sub-nav-inner { padding: 0 16px; overflow-x: auto; }
    .sub-nav a { padding: 12px 20px; font-size: 13px; white-space: nowrap; }

    .about-hero { padding: 50px 0 60px; }
    .about-hero h2 { font-size: 24px; letter-spacing: 1px; }
    .about-intro-text { padding: 24px 16px !important; border-left-width: 4px; }
    .about-intro-text p { font-size: 13px !important; line-height: 1.8 !important; text-indent: 1.5em; }
    .key-data { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .key-data-item { padding: 14px 8px; }
    .key-data-item .num { font-size: 24px !important; }

    /* 发展历程 - 移动端切换为垂直列表 */
    .about-history { padding: 50px 0 60px; }
    .about-history .section-header h2 { font-size: 24px; letter-spacing: 1px; }
    .history-track-wrap { display: none; }
    .history-mountain-layer { display: none; }
    .history-vertical-list { display: block !important; }

    /* Culture Page */
    .culture-page { padding: 48px 0 56px; }
    .culture-page-title { font-size: 28px; letter-spacing: 4px; }
    .culture-page-motto { font-size: 14px; letter-spacing: 1px; padding: 14px 20px; }
    .culture-page-cards { grid-template-columns: 1fr; gap: 16px; }
    .culture-card-body { padding: 22px 20px 24px; }
    .culture-card-icon { width: 52px; height: 52px; }
    .culture-card-icon svg { width: 28px; height: 28px; }
    .culture-spirit-row { flex-direction: column; }
    .culture-spirit-item + .culture-spirit-item::before { display: none; }

    /* Honors section mobile */
    .honors-inner { padding: 0 16px; }
    .honors-tabs { gap: 0; margin-bottom: 30px; }
    .honor-tab { padding: 12px 24px; font-size: 15px; }
    .honors-section .section-title { font-size: 28px; letter-spacing: 3px; }

    .honors-grid-img { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .honor-card-img { border-radius: 12px; }
    .honor-card-img .honor-img-wrap { padding: 14px 14px 0; }
    .honor-card-img .honor-img-wrap img { height: 130px; }
    .honor-card-img .honor-info { padding: 10px 12px 14px; }
    .honor-card-img .honor-info .honor-num { width: 22px; height: 22px; font-size: 10px; line-height: 22px; }
    .honor-card-img .honor-info .honor-title { font-size: 12px; }
    .honor-sub-group { padding: 16px; border-radius: 12px; }
    .honor-sub-group-title { font-size: 16px; margin-bottom: 16px; gap: 8px; }
    .honor-sub-group-title::before,
    .honor-sub-group-title::after { width: 24px; }
    .honor-sub-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .honor-sub-card { padding: 12px; border-radius: 8px; }
    .honor-sub-card img { height: 90px; }
    .honor-sub-card .sub-title { font-size: 11px; }
    .honor-sub-card .sub-year { font-size: 10px; }
    .cert-grid-dyn { gap: 12px; }
    .cert-grid-dyn.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .cert-grid-dyn.cols-3 { grid-template-columns: repeat(2, 1fr); }
    .cert-card-img { border-radius: 12px; }
    .cert-card-img .cert-img-wrap { padding: 14px 14px 0; }
    .cert-card-img.portrait .cert-img-wrap img { height: 160px; }
    .cert-card-img.landscape .cert-img-wrap img { height: 130px; }
    .cert-card-img.slim .cert-img-wrap img { height: 180px; }
    .cert-card-img .cert-info { padding: 10px 12px 14px; }
    .cert-card-img .cert-info .cert-num { width: 22px; height: 22px; font-size: 10px; line-height: 22px; }
    .cert-card-img .cert-info .cert-title { font-size: 12px; }
    .cert-group-label { margin: 24px 0 14px; }
    .pagination-wrap { margin-top: 30px; gap: 4px; }
    .page-btn { width: 32px; height: 32px; font-size: 12px; border-radius: 6px; }
    .pagination-wrap .page-info { font-size: 11px; margin: 0 4px; }
    .honors-divider { margin: 40px 0; gap: 10px; }
    .honors-divider span { font-size: 12px; letter-spacing: 1px; }
    .honor-lightbox img { max-width: 92%; max-height: 70%; }
    .honor-lightbox .lightbox-close { top: 16px; right: 16px; width: 36px; height: 36px; font-size: 20px; }
    .honor-lightbox .lightbox-caption {
        bottom: 20px;
        font-size: 13px;
        padding: 8px 20px;
        max-width: 90%;
        white-space: normal;
    }
}

@media (max-width: 576px) {
    .honors-grid-img,
    .cert-grid-dyn { grid-template-columns: 1fr !important; }
    .honor-sub-grid { grid-template-columns: 1fr; }
    .honor-tab { padding: 10px 18px; font-size: 14px; letter-spacing: 2px; }
    .honor-card-img .honor-img-wrap img { height: 180px; }
    .honor-card-img .honor-info .honor-title { font-size: 14px; }
    .cert-card-img.portrait .cert-img-wrap img { height: 220px; }
    .cert-card-img.landscape .cert-img-wrap img { height: 200px; }
    .cert-card-img.slim .cert-img-wrap img { height: 240px; }
    .cert-card-img .cert-info .cert-title { font-size: 14px; }

    .culture-page { padding: 40px 0 48px; }
    .culture-page-inner { padding: 0 16px; }
    .culture-page-title { font-size: 24px; letter-spacing: 3px; }
    .culture-page-motto { font-size: 13px; padding: 12px 16px; border-left-width: 2px; border-right-width: 2px; }
    .culture-card-title { font-size: 16px; }
    .culture-card-text { font-size: 12px; }
    .culture-spirit-item { padding: 24px 14px; }
    .culture-spirit-label { font-size: 15px; }
}

@media (max-width: 480px) {
    .about-hero h2 { font-size: 20px; }
    .about-intro-text { padding: 16px 10px !important; }
    .about-intro-text p { font-size: 12px !important; }
    .key-data { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .key-data-item { padding: 10px 4px; }
    .key-data-item .num { font-size: 18px !important; }
    .key-data-item .label { font-size: 10px; }
    .history-vertical-list .history-item { flex-direction: column; gap: 8px; }
    .history-vertical-list .history-year { min-width: auto; }

    .culture-page-title { font-size: 22px; letter-spacing: 2px; }
    .culture-page-motto { font-size: 12px; line-height: 1.8; }

    .honors-section .section-title { font-size: 24px; letter-spacing: 2px; }
    .honors-grid-img { gap: 10px; }
    .honor-card-img .honor-img-wrap img { height: 110px; }
    .honor-card-img .honor-info .honor-title { font-size: 11px; }
    .honor-sub-grid { gap: 8px; }
    .honor-sub-card img { height: 80px; }
    .cert-grid-dyn { gap: 10px; }
    .cert-card-img .cert-img-wrap img { height: 130px; }
    .page-btn { width: 28px; height: 28px; font-size: 11px; }
}