/* =============================================
   Index页面专用CSS - index.css
   包含：Banner轮播图、快捷导航、产品中心、内容中心
   ============================================= */

/* ===================== 内容中心样式 ===================== */
.content-center-section {
    margin: 48px auto 0;
    padding: 0 0 48px;
}

.content-center-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-top: 32px;
    align-items: start;
    overflow-x: hidden;
}

@media (max-width: 1200px) { 
    .content-center-grid { 
        grid-template-columns: 1fr; 
        gap: 20px; 
    } 
}

.content-main-block {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.07);
    padding: 24px;
    transition: all 0.2s ease;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    transform: translateY(0);
}

.content-main-block:hover { 
    box-shadow: 0 8px 32px rgba(24, 144, 255, 0.13); 
    transform: translateY(-2px); 
}

.content-main-block .content-list { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    justify-content: space-between; 
}

.content-side-blocks { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 16px; 
    min-width: 0; 
}

@media (max-width: 1200px) { 
    .content-side-blocks { 
        grid-template-columns: 1fr 1fr; 
    } 
}

@media (max-width: 768px) { 
    .content-side-blocks { 
        grid-template-columns: 1fr; 
    } 
}

.content-side-block {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.07);
    padding: 20px;
    transition: all 0.2s ease;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transform: translateY(0);
}

.content-side-block:hover { 
    box-shadow: 0 8px 32px rgba(24, 144, 255, 0.13); 
    transform: translateY(-2px); 
}

.content-side-block .content-list { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    justify-content: space-between; 
    min-width: 0; 
}

.content-block-header { 
    margin-bottom: 16px; 
    padding-bottom: 12px; 
    border-bottom: 1px solid rgba(24, 144, 255, 0.1); 
}

.content-center-section .content-block-header { 
    text-align: left; 
}

.content-block-title { 
    font-size: 18px; 
    font-weight: 600; 
    color: #181c32; 
    margin: 0; 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
}

.content-center-section .content-block-title {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding-left: 14px;
    justify-content: flex-start;
}

.content-center-section .content-block-title::before {
    content: "";
    position: absolute;
    left: 0; 
    top: 50%; 
    transform: translateY(-50%);
    width: 4px; 
    height: 1.2em; 
    border-radius: 2px;
    background: linear-gradient(180deg, #60a5fa 0%, #1d4ed8 100%);
}

.content-center-section .content-block-title::after {
    content: "";
    height: 1px; 
    width: 60px;
    background: linear-gradient(90deg, rgba(0,114,206,.35) 0%, rgba(0,114,206,0) 100%);
    border-radius: 1px;
}

.content-center-section .content-main-block .content-block-title::before {
    background: linear-gradient(180deg, #60a5fa 0%, #1d4ed8 100%);
}

.content-center-section .content-main-block .content-block-title::after {
    background: linear-gradient(90deg, rgba(0, 114, 206,.35) 0%, rgba(0, 114, 206,0) 100%);
}

.content-center-section .content-side-blocks .content-block-title::before {
    background: linear-gradient(180deg, #34d399 0%, #059669 100%);
}

.content-center-section .content-side-blocks .content-block-title::after {
    background: linear-gradient(90deg, rgba(16,185,129,.35) 0%, rgba(16,185,129,0) 100%);
}

.content-center-section .arrow-link,
.content-center-section .hot-tag { 
    display: none !important; 
}

.content-center-section .content-block-title:hover .arrow-link { transform: none; }
.hot-tag { background: linear-gradient(90deg, #ff4d4f 0%, #ff7875 100%); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 8px; border-radius: 8px; margin-left: 8px; letter-spacing: 0.5px; }
.arrow-link { color: var(--brand-primary); font-size: 16px; font-weight: 600; transition: transform 0.2s ease; }
.content-block-title:hover .arrow-link { transform: translateX(4px); }
.content-list { display: flex; flex-direction: column; gap: 12px; }
.health-news-list { display: flex; flex-direction: column; gap: 12px; }

.news-card { 
    display: flex; 
    gap: 12px; 
    padding: 8px; 
    background: #fff; 
    border: 1px solid rgba(24, 144, 255, 0.08); 
    border-radius: 12px; 
    text-decoration: none; 
    transition: all 0.2s ease; 
    transform: translateY(0); 
}

.content-main-block .news-date { 
    display: none; 
}

.content-main-block .news-title,
.content-main-block .news-card .news-title {
    white-space: normal;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
    height: calc(2 * 1.4em);
}

.content-main-block .news-desc { text-align: left; }
.content-main-block .news-body { align-items: flex-start; }
.content-main-block .news-card { display: flex; width: 100%; }
.content-main-block .news-thumb { flex: 0 0 auto; }
.content-main-block .news-body { display: flex; flex-direction: column; flex: 1 1 auto; min-width: 0; }
.content-main-block .news-tags { display: flex; flex-direction: row; align-items: center; justify-content: flex-start; gap: 12px; margin-top: 4px; /*white-space: nowrap;*/ width: 100%; }
.content-main-block .news-tag { display: inline-block; padding: 2px 10px; font-size: 12px; line-height: 1.6; color: var(--brand-primary); background: rgba(24, 144, 255, 0.08); border: 1px solid rgba(24, 144, 255, 0.2); border-radius: 9999px; flex: 0 0 auto; }
.content-main-block .news-md-date { color: #999; font-size: 12px; flex: 0 0 auto; margin-left: auto; text-align: right; }
.content-main-block .news-tags .news-tag:nth-child(n+3) { display: none; }
.news-thumb img { width: 100%; aspect-ratio: 121 / 75; object-fit: cover; display: block; }
.news-body { display: flex; flex-direction: column; justify-content: center; gap: 8px; min-width: 0; }
.news-header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.news-title { font-size: 15px; font-weight: 600; color: #181c32; margin: 0; line-height: 1.4; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-card:hover .news-title { color: var(--brand-primary); }
.news-date { color: #999; font-size: 11px; white-space: nowrap; flex-shrink: 0; }
.news-card .news-desc { margin: 0; color: #8c8c8c; font-size: 13px; line-height: 1.6; text-align: left; display: -webkit-box; line-clamp: 2; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-title { margin: 0; font-weight: 500; flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-card .news-header { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.news-card .news-date { font-size: 12px; margin-left: auto; text-align: right; color: #999; flex: 0 0 auto; }
.content-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px; cursor: pointer; transition: all 0.2s ease; border-radius: 8px; transform: translateY(0); min-width: 0; text-decoration: none; color: inherit; }
.content-item:hover { background-color: rgba(24, 144, 255, 0.05); transform: translateY(-2px); }
.content-text { color: #333; font-size: 14px; line-height: 1.5; flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; }
.content-item:hover .content-text { color: var(--brand-primary); }
.content-time { color: #999; font-size: 12px; font-weight: 400; white-space: nowrap; flex-shrink: 0; margin-left: auto; }
@media (max-width:1200px){ 
    .content-main-block .news-tags .news-tag:nth-child(n+2) { display: none; }
}
/* 右侧列表与百科、QA、查看全部样式 */
.encyclopedia-authority { display: flex; flex-direction: row; align-items: center; justify-content: flex-start; gap: 10px; padding: 11px 8px 11px 8px; border-bottom: 1px solid #f0f0f0; background: #fff; margin-bottom: 0; box-shadow: none; text-decoration: none; color: inherit; transition: all 0.2s ease; }
.encyclopedia-authority:hover .ency-title { color: var(--brand-primary); }
.ency-title { font-size: 15px; font-weight: bold; color: #181c32; letter-spacing: 0.5px; margin-right: 8px; /*overflow: hidden;*/ text-overflow: ellipsis; white-space: nowrap; }
.ency-desc { font-size: 13px; color: #888; font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.encyclopedia-authority:last-child { border-bottom: none; }

/* QA 区块 */
.qa-block { background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%); border: 1px solid rgba(24, 144, 255, 0.1); }
.qa-list { gap: 16px; }
.qa-item { display:flex; background: #fff; border: 1px solid rgba(24, 144, 255, 0.08); border-radius: 12px; padding: 12px 16px; gap: 12px; align-items: center; transition: all 0.2s ease; transform: translateY(0); text-decoration:none; color:inherit; width:100%; }
.qa-item:hover { background: #fff; border-color: rgba(24, 144, 255, 0.2); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(24, 144, 255, 0.1); }
.qa-icon { width: 24px; height: 24px; background: linear-gradient(135deg, var(--brand-primary) 0%, #4A9EFF 100%); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; margin-right:6px; }
.qa-item .content-text { font-size: 13px; line-height: 1.6; color: #333; font-weight: 500; display: flex; align-items: center; }
.qa-action { color: var(--brand-primary); font-size: 16px; font-weight: 600; white-space: nowrap; flex-shrink: 0; transition: all 0.2s ease; cursor: pointer; opacity: 0.7; }
.qa-item:hover .qa-action { color: var(--brand-primary); opacity: 1; transform: translateX(3px); }

/* 查看全部按钮 */
.content-center-footer { text-align: center; margin-top: 24px; }
.view-all-link { display: inline-block; padding: 10px 36px; background: linear-gradient(90deg, var(--brand-primary) 0%, #4A9EFF 100%); color: #fff; border-radius: 24px; font-size: 16px; font-weight: 600; text-decoration: none; box-shadow: 0 2px 12px rgba(24, 144, 255, 0.09); transition: background 0.2s, color 0.2s, box-shadow 0.2s; }
.view-all-link:hover { background: linear-gradient(90deg, #2B8BFF 0%, var(--brand-primary) 100%); color: #fff; box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15); }

/* ===================== 关于我们部分样式 ===================== */
:root{ --brand:var(--brand-primary); --brand-weak:rgba(0,114,206,.08); --text:#1f2937; --muted:#6b7280; --border:rgba(31,41,55,.12); --card-bg:#fff; }

.about-section{ margin:36px auto 0 auto; padding:0 0 32px 0; }
.about-grid{ display:grid; grid-template-columns:1fr 1fr; column-gap:24px; row-gap:24px; align-items:start; }
.about-left, .about-right{ display:flex; flex-direction:column; gap:16px; }
.about-left{ background:transparent; border:none; border-radius:0; padding:0; text-align:left; }
/* 限制about-title样式作用范围，避免影响英雄区 */
.about-title, h1.about-title:not(.hero-title), h2.about-title:not(.hero-title){ margin:0 0 12px 0; font-size:24px; line-height:1.35; color:var(--text); font-weight:600; }
.about-intro{ margin:0 0 16px 0; color:var(--muted); line-height:1.75; }
.about-cta{ display:flex; gap:12px; margin-top:8px; }
.about-section .btn{ display:inline-flex; align-items:center; justify-content:center; height:36px; padding:0 16px; border-radius:8px; font-size:14px; line-height:1; text-decoration:none; cursor:pointer; transition:all .2s ease; border:1px solid transparent; }
.about-section .btn-primary{ background:var(--brand-gradient); color:#fff; border:none; border-radius:24px; height:44px; padding:0 28px; font-weight:700; box-shadow:0 2px 12px rgba(0,114,206,0.09); }
.about-section .btn-primary:hover{ background: var(--brand-gradient-hover); box-shadow:0 8px 24px rgba(0,114,206,0.15); transform:translateY(-1px); }
.about-section .btn-primary::after{ content:'→'; font-weight:700; margin-left:8px; }
.about-section .btn-ghost{ background:#f5f7fa; color:var(--brand-primary); border:none; border-radius:24px; height:44px; padding:0 22px; font-weight:600; }
.about-section .btn-ghost:hover{ background:#e6f7ff; color:var(--brand-primary); transform:translateY(-1px); }
.about-right{ display:flex; flex-direction:column; gap:16px; }
.about-hero{ position:relative; border-radius:16px; overflow:hidden; box-shadow:0 2px 12px rgba(0,114,206,0.07); background:#eaf4ff; min-height:300px; margin-bottom:32px; }
.about-hero picture, .about-hero img{ display:block; width:100%; height:100%; }
.about-hero img{ object-fit:cover; aspect-ratio:21 / 7; object-position:center; }
.about-hero-overlay{ position:absolute; inset:0; background: linear-gradient(0deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.15) 45%, rgba(0,0,0,0.0) 65%), linear-gradient(90deg, rgba(0,0,0,0.60) 0%, rgba(0,0,0,0.35) 50%, rgba(0,0,0,0.0) 72%); pointer-events:none; }
.hero-content{ position:absolute; inset:0; display:flex; flex-direction:column; justify-content:flex-end; padding:28px; gap:8px; }
.hero-glass{ background:rgba(15,23,42,0.25); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,0.2); border-radius:12px; padding:16px 18px; box-shadow:0 10px 28px rgba(0,0,0,.18); max-width:72%; }
/* 首页特殊英雄区样式已移除，使用通用样式 */
.hero-sub{ color:rgba(255,255,255,0.95); line-height:1.7; font-size:14px; max-width:70%; text-shadow:0 2px 12px rgba(0,0,0,.45); }
.hero-badges{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:4px; }
.hero-badges .badge{ display:inline-flex; align-items:center; height:26px; padding:0 10px; background:#fff; border:1px solid #e5e7eb; color:#4b5563; border-radius:6px; font-size:12px; font-weight:600; }
.hero-cta{ display:flex; gap:10px; margin-top:10px; }
.about-section .btn-outline:hover{ background:rgba(255,255,255,0.12); }
.about-stats{ display:grid; grid-template-columns:repeat(2, 1fr); gap:16px; margin-top:0; }
.stat-card{ background:#fff; border-radius:16px; padding:24px; border:none; box-shadow:0 2px 12px rgba(0,114,206,0.07); }
.stat-number{ font-size:22px; font-weight:800; color:#1f2d3d; }
.stat-label{ font-size:12px; color:#6b7280; margin-top:4px; }
.about-left .about-title{ margin-bottom:8px; }
.about-left .about-intro{ margin:0 0 16px; color:#4b5563; max-width:100%; font-size: 16px;}
.about-left .about-cta{ display:flex; gap:10px; }
.about-right{ padding-top:0; }
.about-values{ display:grid; grid-template-columns:repeat(3, 1fr); gap:16px; }
.value-item{ background:#fff; border:none; border-radius:16px; padding:24px; box-shadow:0 2px 12px rgba(0,114,206,0.07); }
.value-title{ font-weight:600; margin-bottom:6px; color:var(--text); }
.value-desc{ color:var(--muted); line-height:1.7; }

/* 关于我们响应式 */
@media (max-width:1200px){ 
    .about-grid{ grid-template-columns:1fr; } 
    .about-hero img{ aspect-ratio:16 / 9; } 
    .hero-content{ padding:20px; } 
    /* 首页响应式英雄区样式已移除，使用通用样式 */ 
    .hero-sub{ max-width:100%; font-size:13px; } 
    .about-hero{ min-height:150px; } 
    .hero-glass{ max-width:100%; } 
    .about-stats{ grid-template-columns:repeat(2, 1fr); } 
    .about-values{ grid-template-columns:1fr; } 
}
@media (min-width:1400px){ 
    .about-stats{ grid-template-columns:repeat(3, 1fr); } 
}
@media (min-width:1680px){ 
    .about-stats{ grid-template-columns:repeat(4, 1fr); } 
}

/* ===================== Banner 轮播图样式 ===================== */
.banner-container {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.swiper {
    width: 100%;
    height: 500px;
    position: relative;
}

.swiper-slide {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.swiper-slide:hover img {
    transform: scale(1.05);
}

.slide-content {
    position: absolute;
    max-width: 1200px;
    width: 100%;
    padding: 0 20px;
    z-index: 2;
    color: #333;
    text-align: left;
}

.slide-title {
    font-size: 54px;
    font-weight: 700;
    color: #181c32;
    margin-bottom: 36px;
    letter-spacing: 1px;
    line-height: 1.12;
    text-shadow: 0 4px 24px rgba(0,114,206,0.08);
}

.slide-desc {
    font-size: 22px;
    color: #222;
    max-width: 700px;
    margin-bottom: 48px;
    line-height: 1.7;
    letter-spacing: 0.2px;
}

.slide-btn {
    display: inline-block;
    padding: 16px 54px;
    background: var(--brand-gradient);
    color: #fff;
    border-radius: 32px;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0,114,206,0.14);
    letter-spacing: 1px;
}

.slide-btn:hover {
    background: var(--brand-gradient-hover);
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 12px 36px rgba(24, 144, 255, 0.22);
}

/* 导航按钮样式 */
.swiper-button-next,
.swiper-button-prev {
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    margin-top: -22px;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

/* 分页器样式 */
.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    margin: 0 6px !important;
    transition: all 0.3s ease;
}

.swiper-pagination-bullet-active {
    width: 30px;
    border-radius: 5px;
    background: #fff;
}

/* Banner响应式调整 */
@media (max-width: 992px) {
    .swiper { height: 400px; }
    .slide-title { font-size: 36px; }
    .slide-desc { font-size: 16px; }
}

@media (max-width: 768px) {
    .swiper { height: 300px; }
    .slide-title { font-size: 28px; margin-bottom: 15px; }
    .slide-desc { font-size: 14px; margin-bottom: 20px; }
    .slide-btn { padding: 10px 24px; font-size: 14px; }
}

/* ===================== 快捷导航样式 ===================== */
.quicknav-section {
    background: linear-gradient(90deg, #f8fafd 0%, #f7fafe 100%);
    padding: 24px 10%;
    margin-bottom: 0;
}

.quicknav-container {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0;
}

.quicknav-item {
    flex: 1 1 0;
    text-align: center;
    padding: 16px 0 8px 0;
    border-radius: 10px;
    transition: box-shadow 0.2s, background 0.2s, color 0.2s;
    text-decoration: none;
    cursor: pointer;
    display: block;
}

.quicknav-item:hover {
    background: #f0f7ff;
    box-shadow: 0 4px 18px rgba(0,114,206,0.09);
}

.quicknav-item:hover .quicknav-title {
    color: var(--brand-primary);
}

.quicknav-item:active {
    background: #e6f0ff;
}

.quicknav-title {
    font-size: 18px;
    font-weight: 700;
    color: #181c32;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
    transition: color 0.2s;
}

.quicknav-desc {
    font-size: 13px;
    color: #666;
    letter-spacing: 0.1px;
}

/* ===================== 页面产品中心 ===================== */
.product-center-section {
    margin: 36px auto 0 auto;
    padding: 0 0 32px 0;
    min-width: 320px;
    max-width: none;
    box-sizing: border-box;
}

.product-center-header {
    text-align: center;
    margin-bottom: 28px;
}

.product-tabs-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: relative;
}

.product-center-tabs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    max-width: 1000px;
    padding: 0 8px;
    align-items: center;
    flex-wrap: nowrap;
}

.product-center-tabs::-webkit-scrollbar {
    display: none;
}

.tab-nav-btn {
    background: #f5f7fa;
    border: none;
    outline: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.tab-nav-btn:hover {
    background: #e6f7ff;
    transform: scale(1.05);
}

.tab-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.tab-nav-btn:disabled:hover {
    background: #f5f7fa;
    transform: none;
}

.nav-arrow-left, .nav-arrow-right {
    width: 0;
    height: 0;
    border-style: solid;
}

.nav-arrow-left {
    border-width: 6px 10px 6px 0;
    border-color: transparent #666 transparent transparent;
}

.nav-arrow-right {
    border-width: 6px 0 6px 10px;
    border-color: transparent transparent transparent #666;
}

.tab-nav-btn:hover .nav-arrow-left,
.tab-nav-btn:hover .nav-arrow-right {
    border-color: transparent var(--brand-primary) transparent transparent;
}

.tab-nav-btn:hover .nav-arrow-right {
    border-color: transparent transparent transparent var(--brand-primary);
}

.tab-btn {
    background: #f5f7fa;
    border: none;
    outline: none;
    padding: 10px 28px;
    font-size: 16px;
    font-weight: 500;
    color: #222;
    border-radius: 22px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
    white-space: nowrap;
    min-width: fit-content;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--brand-gradient);
    color: #fff;
}

.product-list {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    min-height: 220px;
    justify-items: center;
}

.product-list.active {
    display: grid;
}

.product-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.07);
    padding: 32px 22px 24px 22px;
    width: 100%;
    min-width: 0;
    min-height: 240px;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.product-card:hover {
    box-shadow: 0 8px 32px rgba(0,114,206,0.13);
    transform: translateY(-4px) scale(1.025);
}

.product-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    margin: 0;
    background: #f7fafd;
    box-shadow: none;
    aspect-ratio: 1/1;
    display: block;
}

.product-card-tag {
    position: absolute;
    top: 0;
    right: 0;
    height: 26px;
    line-height: 26px;
    padding: 0 12px;
    color: #8c6d00; /* 更克制的金色文字 */
    font-size: 12px;
    font-weight: 500; /* 文字更细一点 */
    z-index: 2;
    background: rgba(212, 175, 55, 0.08); /* 更淡的淡金背景 */
    border-bottom-left-radius: 14px;
    border-top-right-radius: 14px;
    border: 1px solid rgba(212, 175, 55, 0.16);
}

.product-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #181c32;
    margin-bottom: 10px;
}

/* 产品卡片内链接：占满卡片内容区域，保留原有视觉（无下划线、继承文字颜色） */
.product-card-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  text-decoration: none;
  color: inherit;
}


.product-more {
    grid-column: 1/-1;
    text-align: center;
    margin: 24px 0 8px 0;
}

.product-more a {
    display: inline-block;
    padding: 10px 36px;
    background: var(--brand-gradient);
    color: #fff;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(0,114,206,0.09);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.product-more a:hover {
    background: var(--brand-gradient-hover);
    color: #fff;
    box-shadow: 0 8px 24px rgba(0,114,206,0.15);
}

/* ===================== 内容中心 ===================== */
.content-center-section {
    margin: 36px auto 0 auto;
    padding: 0 0 32px 0;
    min-width: 320px;
    max-width: 100%;
    box-sizing: border-box;
    width: 100%;
}

.content-center-title {
    font-size: 28px;
    font-weight: 700;
    color: #181c32;
    margin: 0;
    letter-spacing: -0.02em;
}

.content-center-grid {
    display: grid;
    grid-template-columns: 9fr 14fr;
    gap: 24px;
    margin-bottom: 32px;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.content-main-block {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.07);
    padding: 24px;
    transition: all 0.2s ease;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    transform: translateY(0);
}

.content-main-block:hover {
    box-shadow: 0 8px 32px rgba(24, 144, 255, 0.13);
    transform: translateY(-2px);
}

.content-side-blocks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    min-width: 0;
}

.content-side-block {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.07);
    padding: 20px;
    transition: all 0.2s ease;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transform: translateY(0);
}

.content-side-block:hover {
    box-shadow: 0 8px 32px rgba(24, 144, 255, 0.13);
    transform: translateY(-2px);
}

.content-block-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(24, 144, 255, 0.1);
}

.content-block-title {
    font-size: 18px;
    font-weight: 600;
    color: #181c32;
    margin: 0;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding-left: 14px;
}

.content-block-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.2em;
    border-radius: 2px;
    background: linear-gradient(180deg, #60a5fa 0%, #1d4ed8 100%);
}

.content-block-title::after {
    content: "";
    height: 1px;
    width: 60px;
    background: linear-gradient(90deg, rgba(0,114,206,.35) 0%, rgba(0,114,206,0) 100%);
    border-radius: 1px;
}

.content-side-blocks .content-block-title::before {
    background: linear-gradient(180deg, #34d399 0%, #059669 100%);
}

.content-side-blocks .content-block-title::after {
    background: linear-gradient(90deg, rgba(16,185,129,.35) 0%, rgba(16,185,129,0) 100%);
}

.content-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-card {
    display: flex;
    gap: 12px;
    padding: 8px;
    background: #fff;
    border: 1px solid rgba(24, 144, 255, 0.08);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
    transform: translateY(0);
}

.news-card:hover {
    background: #fff;
    border-color: rgba(24, 144, 255, 0.2);
    box-shadow: 0 6px 20px rgba(24, 144, 255, 0.12);
    transform: translateY(-2px);
}

.news-thumb {
    width: 160px;
    max-width: 22%;
    min-width: 120px;
    background: #f7f9fc;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-thumb img {
    width: 100%;
    aspect-ratio: 121 / 75;
    object-fit: cover;
    display: block;
}

.news-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
}

.news-title {
    font-size: 15px;
    font-weight: 600;
    color: #181c32;
    margin: 0;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-card:hover .news-title {
    color: var(--brand-primary);
}

.news-date {
    color: #999;
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

.content-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 8px;
    transform: translateY(0);
    min-width: 0;
}

.content-item:hover {
    background-color: rgba(24, 144, 255, 0.05);
    transform: translateY(-2px);
}

.content-text {
    color: #333;
    font-size: 14px;
    line-height: 1.5;
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
}

.content-item:hover .content-text {
    color: var(--brand-primary);
}

.content-time {
    color: #999;
    font-size: 12px;
    font-weight: 400;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 首页特有样式（如果需要）可以在这里添加 */

/* ===================== 响应式设计 ===================== */
@media (max-width: 1200px) {
    
    .product-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .content-center-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .content-side-blocks {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .swiper {
        height: 400px;
    }
    
    .slide-title {
        font-size: 36px;
    }
    
    .slide-desc {
        font-size: 16px;
    }
}

@media (max-width: 900px) {
    .quicknav-section {
        display: none;
    }
    
    .product-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .swiper {
        height: 300px;
    }
    
    .slide-title {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .slide-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .slide-btn {
        padding: 10px 24px;
        font-size: 14px;
    }
    
    .content-side-blocks {
        grid-template-columns: 1fr;
    }
    
    .tab-btn {
        padding: 8px 20px;
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .product-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .product-card {
        width: 100%;
        min-width: 0;
        max-width: none;
    }
    
    .product-card-title {
        font-size: 14px;
    }

    .content-center-grid {
        gap: 16px;
    }
    
    .content-side-blocks {
        gap: 12px;
    }
    
    .content-main-block,
    .content-side-block {
        padding: 12px;
    }
}

/* QA 区块样式 */
.qa-block { 
    background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%); 
    border: 1px solid rgba(24, 144, 255, 0.1); 
}

.qa-list { 
    gap: 16px; 
}

.qa-item { 
    background: #fff; 
    border: 1px solid rgba(24, 144, 255, 0.08); 
    border-radius: 12px; 
    padding: 12px 16px; 
    gap: 12px; 
    align-items: center; 
    transition: all 0.2s ease; 
    transform: translateY(0); 
    display: flex;
}

.qa-item:hover { 
    background: #fff; 
    border-color: rgba(24, 144, 255, 0.2); 
    transform: translateY(-2px); 
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.1); 
}

.qa-icon { 
    width: 24px; 
    height: 24px; 
    background: var(--brand-gradient-135); 
    color: #fff; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 14px; 
    font-weight: 700; 
    flex-shrink: 0; 
}

.qa-item .content-text { 
    font-size: 13px; 
    line-height: 1.6; 
    color: #333; 
    font-weight: 500; 
    display: flex; 
    align-items: center; 
    flex: 1;
}

.qa-action { 
    color: var(--brand-primary); 
    font-size: 16px; 
    font-weight: 600; 
    white-space: nowrap; 
    flex-shrink: 0; 
    transition: all 0.2s ease; 
    cursor: pointer; 
    opacity: 0.7; 
}

.qa-item:hover .qa-action { 
    color: var(--brand-primary); 
    opacity: 1; 
    transform: translateX(3px); 
}

/* 首页新闻中心底部对齐修复 */
.content-center-grid {
    align-items: stretch;
}

.content-side-blocks { 
    height: 100%; 
}
