/* ============================================================
   全局重置
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
    background: radial-gradient(circle at top left, rgba(58, 139, 203, 0.12), transparent 30%), #f4f9fd;
    color: #1a2a3a;
    line-height: 1.75;
    padding: 24px 18px;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
}

.container {
    max-width: 1220px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 28px;
    box-shadow: 0 24px 60px rgba(58, 139, 203, 0.08);
    padding: 38px 36px 34px;
}

@media (max-width: 768px) {
    .logo {
        justify-content: center;
    }
    .logo .logo-text {
        align-items: center;
        text-align: center;
    }
}


/* ============================================================
   颜色变量
   ============================================================ */
:root {
    --primary: #3a8bcb;
    --primary-dark: #1a5f8a;
    --primary-light: #e6f2fa;
    --accent: #00b4d8;
    --gray: #6a8a9e;
    --gray-light: #f2f8fe;
}

/* ============================================================
   语言切换（修复：避免 .lang-en 匹配 body）
   ============================================================ */
/* 隐藏所有语言片段（但不要匹配到 body 元素本身） */
.lang-zh:not(body), .lang-en:not(body) {
    display: none;
}
/* 隐藏导航中的语言变体，直到 body 类被脚本设置，避免初始同时显示两套链接 */
.nav-links .nav-en,
.nav-links .nav-zh {
    display: none;
}
/* 当 body 使用 lang-en 显示英文片段 */
body.lang-en .lang-en {
    display: inline !important;
}
body.lang-en .lang-zh {
    display: none !important;
}
/* 根据 body 的语言类显示对应的导航链接 */
body.lang-en .nav-links .nav-en { display: inline; }
body.lang-en .nav-links .nav-zh { display: none; }
body.lang-zh .nav-links .nav-zh { display: inline; }
body.lang-zh .nav-links .nav-en { display: none; }
/* 当 body 使用 lang-zh 显示中文片段 */
body.lang-zh .lang-zh {
    display: inline !important;
}
body.lang-zh .lang-en {
    display: none !important;
}

/* ============================================================
   头部
   ============================================================ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 20px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--primary-light);
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}
.logo img {
    width: auto;
    max-height: 62px;
    max-width: 180px;
    display: block;
}
.logo > a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}
.logo > a > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--primary-dark);
    text-align: left;
}
.logo > a > div .lang-en,
.logo > a > div .lang-zh {
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: 0em;
}
.logo > a > div .logo-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    font-weight: 900;
    line-height: 1.4;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

/* 导航：居中，间距舒适 */
.nav-links {
    display: flex;
    list-style: none;
    gap: 8px 28px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    padding: 0 20px;
}
.nav-links a {
    text-decoration: none;
    color: #2a4a5a;
    font-weight: 500;
    font-size: 1.05rem;
    transition: color 0.2s;
    position: relative;
    white-space: nowrap;
    padding: 4px 2px;
}
body.lang-en .nav-links .nav-zh,
body.lang-zh .nav-links .nav-en {
    display: none !important;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}
.nav-links a:hover {
    color: var(--primary);
}
.nav-links a.current,
.nav-links a:hover {
    color: var(--primary);
    font-weight: 700;
}
.nav-links a:hover::after {
    width: 100%;
}

/* 语言切换：独立在右侧，不挤导航 */
.lang-switch {
    display: flex;
    gap: 6px;
    flex: 0 0 auto;
    margin-left: auto;
}
.lang-btn {
    background: none;
    border: 1px solid #d0dce8;
    padding: 5px 16px;
    border-radius: 20px;
    cursor: pointer;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.85rem;
    transition: 0.2s;
}
.lang-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.lang-btn:hover:not(.active) {
    background: var(--primary-light);
}
/* ============================================================
   横幅
   ============================================================ */
.banner {
    background: linear-gradient(135deg, #dcecfa 0%, #b8d8f0 100%);
    border-radius: 20px;
    padding: 44px 44px;
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}
.banner-text {
    flex: 1 1 400px;
}
.banner-text h1 {
    font-size: 2.6rem;
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.2;
}
.banner-text p {
    font-size: 1.15rem;
    color: #2a5a7a;
    margin: 12px 0 22px 0;
    max-width: 500px;
}
.banner-btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 14px 38px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
    box-shadow: 0 8px 24px rgba(58, 139, 203, 0.25);
}

.banner-btn:hover {
    background: linear-gradient(135deg, #2572a9, #1a5c89);
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(26, 95, 138, 0.28);
}

@keyframes subtleFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.99);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-banner,
.about-text,
.product-card,
.case-item,
.news-item,
.contact-card {
    animation: subtleFadeUp 0.9s ease both;
}

.hero-banner {
    animation-delay: 0.1s;
}
.about-text {
    animation-delay: 0.12s;
}
.product-card {
    animation-delay: 0.14s;
}
.case-item {
    animation-delay: 0.16s;
}
.news-item {
    animation-delay: 0.18s;
}
.contact-card {
    animation-delay: 0.20s;
}

.banner-image {
    flex: 1 1 100%;
    max-width: 100%;
    width: 100%;
}
.banner-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
    display: block;
    background: #d4e8f5;
}

.hero-banner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 28px;
    padding: 40px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(58, 139, 203, 0.12), rgba(0, 180, 216, 0.08));
    margin-bottom: 36px;
}
.hero-banner .banner-text {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
}
.hero-banner .hero-eyebrow {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    margin-bottom: 18px;
    font-size: 0.95rem;
}
.hero-banner h1 {
    font-size: 3rem;
    line-height: 1.05;
    margin-bottom: 18px;
    color: var(--primary-dark);
}
.hero-banner p {
    max-width: 100%;
    font-size: 1.1rem;
    color: #1e3d54;
    margin-bottom: 28px;
}
.persona-slogans {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 16px;
}
.slogan-card {
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 18px;
    padding: 20px 18px;
    min-height: 120px;
}
.slogan-label {
    display: inline-block;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
}
.slogan-card p {
    color: #22405a;
    line-height: 1.7;
}
.banner-image.placeholder {
    flex: 1 1 100%;
    min-height: 520px;
    width: 100%;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(0, 180, 216, 0.18), rgba(58, 139, 203, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #20506d;
    padding: 16px;
}
.banner-image.placeholder img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 16px;
}
.placeholder-text {
    width: 100%;
    font-size: 0.95rem;
    line-height: 1.7;
}
.product-advantages {
    margin-bottom: 40px;
}
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.advantage-block {
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.12);
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 10px 26px rgba(58, 139, 203, 0.06);
}
.advantage-block h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
    color: var(--primary-dark);
}
.advantage-block blockquote {
    margin: 0 0 18px;
    padding-left: 16px;
    border-left: 4px solid var(--accent);
    color: #1f4a67;
    font-style: normal;
}
.advantage-block ul {
    list-style: none;
    padding-left: 0;
    color: #315269;
}
.advantage-block li {
    margin-bottom: 12px;
    line-height: 1.75;
}
.product-series {
    margin-bottom: 40px;
}
.series-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
.series-card {
    background: var(--gray-light);
    border-radius: 20px;
    padding: 26px;
    border: 1px solid rgba(58, 139, 203, 0.08);
}
.series-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--primary-dark);
}
.series-tag {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--accent);
    font-weight: 700;
}
.series-card p {
    color: #27415a;
    line-height: 1.8;
}

.product-highlights {
    margin-bottom: 40px;
}
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.highlight-block {
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.12);
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 10px 26px rgba(58, 139, 203, 0.06);
}
.highlight-block h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
    color: var(--primary-dark);
}
.highlight-block ul {
    list-style: none;
    padding-left: 0;
    color: #315269;
}
.highlight-block li {
    margin-bottom: 16px;
    line-height: 1.75;
}
.highlight-block strong {
    display: block;
    margin-bottom: 6px;
    color: var(--primary-dark);
}

/* ---------- 招牌能力（护士呼叫首位亮点） ---------- */
.highlight-feature {
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
    padding: 32px 34px 28px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(26, 95, 138, 0.97), rgba(58, 139, 203, 0.9));
    box-shadow: 0 20px 44px rgba(26, 95, 138, 0.2);
    color: #ffffff;
}
.highlight-feature::after {
    content: "";
    position: absolute;
    top: -130px;
    right: -90px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 68%);
    pointer-events: none;
}
.highlight-feature-eyebrow {
    position: relative;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.74);
    margin-bottom: 10px;
}
.highlight-feature h3 {
    position: relative;
    font-size: 1.55rem;
    line-height: 1.35;
    color: #ffffff;
    margin-bottom: 12px;
}
.highlight-feature-lead {
    position: relative;
    max-width: 74ch;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.85;
}
.highlight-feature-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.highlight-feature-item {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 16px;
    padding: 18px 18px 16px;
}
.highlight-feature-item h4 {
    font-size: 0.98rem;
    color: #ffffff;
    margin-bottom: 8px;
    line-height: 1.4;
}
.highlight-feature-item p {
    font-size: 0.88rem;
    line-height: 1.72;
    color: rgba(255, 255, 255, 0.88);
}
.highlight-feature-note {
    position: relative;
    margin-top: 18px;
    font-size: 0.8rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.68);
}
@media (max-width: 992px) {
    .highlight-feature {
        padding: 26px 24px 22px;
    }
    .highlight-feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 640px) {
    .highlight-feature {
        padding: 22px 18px 18px;
        border-radius: 18px;
    }
    .highlight-feature h3 {
        font-size: 1.28rem;
    }
    .highlight-feature-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 18px;
    }
}

/* ============================================================
   通用标题
   ============================================================ */
.section-title {
    text-align: center;
    margin-bottom: 34px;
}
.section-title h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary-dark);
}
.section-title p {
    color: var(--gray);
    margin-top: 4px;
    font-size: 1.05rem;
}

/* ============================================================
   关于
   ============================================================ */
.about-section {
    margin-bottom: 40px;
    background: var(--gray-light);
    border-radius: 28px;
    padding: 32px;
}
.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(240px, 0.9fr);
    gap: 30px;
    align-items: start;
}
.about-text {
    background: #ffffff;
    border-radius: 24px;
    padding: 30px 32px;
    box-shadow: 0 20px 40px rgba(58, 139, 203, 0.08);
}
.about-text h3 {
    font-size: 1.9rem;
    margin-bottom: 18px;
    color: var(--primary-dark);
    line-height: 1.15;
}
.about-text p {
    margin-bottom: 18px;
    color: #34495f;
    font-size: 1rem;
    line-height: 1.8;
    max-width: 100%;
}
.about-text ul {
    list-style: disc inside;
    color: #34495f;
    margin-bottom: 24px;
    font-size: 1rem;
}
.about-text ul li {
    margin-bottom: 10px;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.about-stats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
}
.stat-item {
    text-align: center;
    background: var(--gray-light);
    padding: 26px 24px;
    border-radius: 18px;
}
.stat-item .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}
.stat-item .label {
    font-size: 2rem;
    color: var(--gray);
}
/* 👇 新增这一块 */
.stat-item .label span {
    display: block;          /* 中英文分行显示 */
    line-height: 1.5;        /* 行间距舒适 */
}


/* ============================================================
   产品
   ============================================================ */
.products-section {
    margin-bottom: 40px;
}
.product-category {
    margin-bottom: 40px;
}
.product-category h3 {
    font-size: 1.7rem;
    color: var(--primary-dark);
    border-left: 6px solid var(--primary);
    padding-left: 18px;
    margin-bottom: 20px;
}
.product-category h3 i {
    margin-right: 12px;
    color: var(--primary);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
    gap: 24px;
}
.product-card {
    background: var(--gray-light);
    border-radius: 22px;
    padding: 30px 22px 26px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    border: 1px solid rgba(58, 139, 203, 0.1);
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 34px rgba(58, 139, 203, 0.14);
    background: #ffffff;
}
.product-card img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 18px;
    display: block;
}
.product-card h4 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
    line-height: 1.3;
}
.product-card p {
    font-size: 0.95rem;
    color: #3a5265;
    line-height: 1.7;
}
.product-card span.lang-en,
.product-card span.lang-zh {
    display: block;
}


/* ============================================================
   案例
   ============================================================ */
.cases-section {
    margin-bottom: 40px;
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}
.case-item {
    background: var(--gray-light);
    border-radius: 16px;
    padding: 20px 20px 18px;
    transition: 0.3s;
    border-left: 4px solid var(--accent);
}
.case-item:hover {
    background: var(--primary-light);
}
.case-item img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 12px;
    background: #d4e8f5;
}
.case-item h4 {
    color: var(--primary-dark);
    font-size: 1.05rem;
}
.case-item p {
    color: #3a5a6e;
    font-size: 0.92rem;
    margin-top: 2px;
}
.case-item .location {
    font-size: 0.82rem;
    color: var(--gray);
    margin-top: 8px;
}
.case-item .location i {
    margin-right: 4px;
}

/* ============================================================
   新闻
   ============================================================ */
.news-section {
    margin-bottom: 40px;
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 800px;
    margin: 0 auto;
}
.news-item {
    background: var(--gray-light);
    padding: 16px 24px;
    border-radius: 14px;
    border-left: 4px solid var(--accent);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
}
.news-item .title {
    font-weight: 500;
    color: #1a2a3a;
}
.news-item .date {
    color: var(--gray);
    font-size: 0.85rem;
}

/* ============================================================
   联系
   ============================================================ */
.contact-section {
    margin-bottom: 30px;
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 28px;
    align-items: start;
}
.contact-card {
    background: var(--gray-light);
    border-radius: 24px;
    padding: 30px 28px;
    border: 1px solid rgba(58, 139, 203, 0.12);
    box-shadow: 0 14px 32px rgba(58, 139, 203, 0.08);
}
.contact-card h3 {
    margin-bottom: 18px;
    font-size: 1.35rem;
    color: var(--primary-dark);
    line-height: 1.2;
}
.contact-info p {
    margin-bottom: 16px;
    color: #34495f;
    font-size: 1rem;
    line-height: 1.8;
}
.contact-info a {
    color: var(--primary-dark);
    text-decoration: none;
}
.contact-info a:hover {
    text-decoration: underline;
}
.contact-qr {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: center;
    justify-content: center;
    padding-top: 8px;
}
.contact-qr img {
    width: 100%;
    height: auto;
    max-width: 320px;
    border-radius: 18px;
    box-shadow: 0 12px 30px rgba(58, 139, 203, 0.14);
}
.contact-qr .caption {
    color: var(--gray);
    font-size: 0.95rem;
    text-align: center;
}


/* ============================================================
   页脚
   ============================================================ */
footer {
    /*border-top: 1px solid #e2ecf6;*/
    padding-top: 26px;
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
}
footer .col h4 {
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-weight: 600;
}
footer .col p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.8;
}
footer .bottom {
    width: 100%;
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
    padding-top: 16px;
    border-top: 1px solid #e2ecf6;
    margin-top: 10px;
}

/* ============================================================
   响应式优化
   ============================================================ */
@media (max-width: 1024px) {
    .header {
        padding-bottom: 14px;
    }
    .nav-links {
        justify-content: center;
    }
    .hero-banner {
        padding: 30px 26px;
    }
    .hero-banner h1 {
        font-size: 2.4rem;
    }
    .banner-text p,
    .about-text p,
    .about-text ul,
    .contact-info p {
        font-size: 1rem;
    }
}

@media (max-width: 880px) {
    .header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .logo {
        justify-content: center;
    }
    .logo > a > div {
        text-align: center;
        align-items: center;
    }
    .nav-links {
        gap: 6px 16px;
        padding: 0;
        justify-content: center;
    }
    .nav-links a {
        font-size: 0.95rem;
    }
    .lang-switch {
        justify-content: center;
        margin-left: 0;
    }
    .banner-image.placeholder {
        min-height: 360px;
    }
    .persona-slogans {
        grid-template-columns: 1fr 1fr;
    }
    .about-grid,
    .product-grid,
    .series-grid,
    .highlight-grid,
    .case-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .about-text,
    .about-stats,
    .product-card,
    .case-item,
    .news-item,
    .contact-card {
        width: 100%;
    }
}

@media (max-width: 680px) {
    .container {
        padding: 22px 16px 18px;
    }
    .header,
    .footer {
        flex-direction: column;
        align-items: stretch;
    }
    .logo {
        width: 100%;
        justify-content: center;
    }
    .nav-links {
        gap: 12px;
        justify-content: center;
    }
    .banner-btn {
        width: 100%;
        text-align: center;
        padding: 16px 20px;
    }
    .hero-banner {
        padding: 24px 18px;
    }
    .hero-banner h1 {
        font-size: 2rem;
    }
    .hero-banner .hero-eyebrow {
        font-size: 0.88rem;
    }
    .lang-switch {
        justify-content: center;
        width: 100%;
    }
    .logo > a > div {
        align-items: center;
        text-align: center;
        margin-top: 6px;
    }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
    .header {
        align-items: flex-start;
    }
    .product-grid {
        grid-template-columns: repeat(3, minmax(220px, 1fr));
    }
    .hero-banner {
        padding: 28px;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 24px 18px;
    }
    .header {
        flex-direction: column;
        align-items: stretch;
    }
    .nav-links {
        justify-content: center;
        gap: 16px;
    }
    .banner {
        padding: 30px 24px;
        flex-direction: column;
        text-align: center;
    }
    .banner-text p {
        max-width: 100%;
    }
    .banner-text h1 {
        font-size: 2rem;
    }
    .banner-image {
        flex: 1 1 100%;
    }
    .section-title h2 {
        font-size: 1.8rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .persona-slogans {
        grid-template-columns: 1fr;
    }
    .product-grid {
        grid-template-columns: repeat(2, minmax(200px, 1fr));
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        padding: 12px 8px;
    }
    .container {
        padding: 16px 12px;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .case-grid {
        grid-template-columns: 1fr;
    }
    .banner-text h1 {
        font-size: 1.6rem;
    }
    .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .logo {
        justify-content: center;
    }
}


/* 导航当前页高亮 */
.nav-links a.current {
    color: var(--primary);
    font-weight: 700;
}
.nav-links a.current::after {
    width: 100%;
}



/* ============================================================
   系统架构图
   ============================================================ */
.architecture-section {
    margin-bottom: 50px;
    padding: 10px 0;
}

.architecture-section .section-title {
    margin-bottom: 28px;
}

.architecture-image {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(58, 139, 203, 0.10);
    background: #f8fbff;
    border: 1px solid rgba(58, 139, 203, 0.08);
    padding: 16px;
}

.architecture-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

/* 架构图中英文版本：跟随站点语言切换 */
.architecture-image .arch-zh {
    display: none;
}
body.lang-zh .architecture-image .arch-en {
    display: none;
}
body.lang-zh .architecture-image .arch-zh {
    display: block;
}

/* 响应式 */
@media (max-width: 768px) {
    .architecture-image {
        padding: 10px;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    .architecture-image {
        padding: 6px;
        border-radius: 10px;
    }
}


/* ============================================================
   产品页：双系统架构（IP 护士呼叫系统 / 智能排队叫号系统）
   ============================================================ */
.products-page {
    padding-top: 2px;
}

/* ---------- 页首总览 ---------- */
.products-hero {
    padding: 40px;
    border-radius: 26px;
    background: linear-gradient(135deg, rgba(58, 139, 203, 0.14), rgba(0, 180, 216, 0.08));
    margin-bottom: 24px;
}
.products-hero .hero-eyebrow {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 14px;
}
.products-hero h1 {
    font-size: 2.6rem;
    line-height: 1.18;
    color: var(--primary-dark);
    margin-bottom: 16px;
    max-width: 940px;
}
.products-hero-lead {
    font-size: 1.04rem;
    color: #1e3d54;
    line-height: 1.85;
    max-width: 940px;
}

/* ---------- 系统切换卡片 ---------- */
.system-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.system-switch-card {
    display: block;
    padding: 26px 26px 22px;
    border-radius: 22px;
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.16);
    box-shadow: 0 12px 30px rgba(58, 139, 203, 0.08);
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.system-switch-card:hover {
    transform: translateY(-6px);
    border-color: rgba(58, 139, 203, 0.42);
    box-shadow: 0 20px 40px rgba(58, 139, 203, 0.16);
}
.system-switch-index {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 10px;
}
.system-switch-title {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
    line-height: 1.3;
}
.system-switch-card p {
    color: #315269;
    font-size: 0.95rem;
    line-height: 1.75;
}
.system-switch-more {
    display: inline-block;
    margin-top: 14px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.92rem;
}
.system-switch-card:hover .system-switch-more {
    color: var(--accent);
}

/* ---------- 系统区块 ---------- */
.system-section {
    margin: 34px 0 12px;
    padding: 34px 34px 8px;
    border-radius: 28px;
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.12);
    box-shadow: 0 18px 44px rgba(58, 139, 203, 0.07);
    scroll-margin-top: 24px;
}
.system-head {
    max-width: 920px;
}
.system-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.system-section--queue .system-badge {
    background: rgba(0, 180, 216, 0.14);
}
.system-title {
    font-size: 2.05rem;
    line-height: 1.2;
    color: var(--primary-dark);
    margin-bottom: 12px;
}
.system-lead {
    color: #2a4a63;
    font-size: 1.02rem;
    line-height: 1.85;
}
.system-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    padding-left: 0;
}
.system-tags li {
    font-size: 0.85rem;
    color: var(--primary-dark);
    background: var(--gray-light);
    border: 1px solid rgba(58, 139, 203, 0.14);
    padding: 6px 14px;
    border-radius: 999px;
    line-height: 1.6;
}

/* ---------- 系统内导航 ---------- */
.system-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 26px 0 6px;
    padding: 12px;
    border-radius: 18px;
    background: var(--gray-light);
}
.system-toc a {
    flex: 1 1 auto;
    text-align: center;
    text-decoration: none;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 14px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.12);
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.system-toc a:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

/* ---------- 总体介绍 ---------- */
.system-overview {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(250px, 0.9fr);
    gap: 28px;
    align-items: start;
    margin: 22px 0 34px;
    padding-top: 24px;
    border-top: 1px dashed rgba(58, 139, 203, 0.22);
    scroll-margin-top: 24px;
}
.system-overview h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 14px;
}
.system-overview-text p {
    color: #34495f;
    line-height: 1.85;
    margin-bottom: 16px;
}
.system-overview-text ul {
    list-style: none;
    padding-left: 0;
    margin-top: 6px;
}
.system-overview-text ul li {
    padding-left: 16px;
    border-left: 3px solid rgba(0, 180, 216, 0.5);
    margin-bottom: 14px;
    color: #34495f;
    line-height: 1.75;
    font-size: 0.95rem;
}
.system-overview-text ul li strong {
    display: block;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

/* ---------- 快速了解 ---------- */
.system-facts {
    background: linear-gradient(160deg, rgba(58, 139, 203, 0.1), rgba(0, 180, 216, 0.06));
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 20px;
    padding: 22px 22px 10px;
}
.system-facts h4 {
    font-size: 1.02rem;
    color: var(--primary-dark);
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}
.system-facts dl {
    margin: 0;
}
.system-fact {
    padding: 10px 0;
    border-bottom: 1px solid rgba(58, 139, 203, 0.14);
}
.system-fact:last-child {
    border-bottom: none;
}
.system-fact dt {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray);
}
.system-fact dd {
    margin: 2px 0 0;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.94rem;
    line-height: 1.55;
}

/* ---------- 系统区块内的分区间距 ---------- */
.system-section .product-highlights,
.system-section .product-category,
.system-section .architecture-section {
    margin-top: 0;
    margin-bottom: 30px;
    padding-top: 26px;
    border-top: 1px dashed rgba(58, 139, 203, 0.22);
    scroll-margin-top: 24px;
}
.system-section .architecture-section {
    margin-bottom: 14px;
    padding-bottom: 0;
}

/* ---------- 通栏产品卡（平台类） ---------- */
.product-card--wide {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    column-gap: 28px;
    row-gap: 8px;
    align-items: center;
    text-align: left;
}
.product-card--wide img {
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 100%;
    height: 170px;
    margin-bottom: 0;
}
.product-card--wide h4 {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
}
.product-card--wide p {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
}

/* ---------- 排队系统产品网格：三列两行 ---------- */
.product-grid--trio {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
}
@media (max-width: 992px) {
    .product-grid--trio {
        grid-template-columns: repeat(2, minmax(200px, 1fr));
    }
}
@media (max-width: 640px) {
    .product-grid--trio {
        grid-template-columns: 1fr;
    }
}

/* ---------- 咨询引导 ---------- */
.product-cta,
.page-cta {
    margin: 40px 0 8px;
    padding: 44px 36px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(26, 95, 138, 0.94), rgba(58, 139, 203, 0.86));
    text-align: center;
    box-shadow: 0 22px 48px rgba(26, 95, 138, 0.2);
}
.product-cta h2,
.page-cta h2 {
    font-size: 1.85rem;
    line-height: 1.3;
    color: #ffffff;
    margin-bottom: 12px;
}
.product-cta p,
.page-cta p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 760px;
    margin: 0 auto 26px;
    line-height: 1.85;
}
.product-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}
.product-cta .banner-btn,
.page-cta .banner-btn {
    background: #ffffff;
    color: var(--primary-dark);
    box-shadow: 0 12px 26px rgba(6, 40, 62, 0.22);
}
.product-cta .banner-btn:hover,
.page-cta .banner-btn:hover {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 18px 38px rgba(6, 40, 62, 0.28);
}
.product-cta .banner-btn--ghost,
.page-cta .banner-btn--ghost {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: none;
}
.product-cta .banner-btn--ghost:hover,
.page-cta .banner-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    box-shadow: none;
}

/* ---------- 产品页响应式 ---------- */
@media (max-width: 1024px) {
    .products-hero {
        padding: 32px 28px;
    }
    .products-hero h1 {
        font-size: 2.2rem;
    }
    .system-overview {
        grid-template-columns: 1fr;
    }
    .system-facts {
        padding-bottom: 16px;
    }
    .product-card--wide {
        grid-template-columns: 200px minmax(0, 1fr);
    }
}

@media (max-width: 880px) {
    .products-hero {
        padding: 26px 20px;
        border-radius: 20px;
    }
    .products-hero h1 {
        font-size: 1.9rem;
    }
    .system-switch {
        grid-template-columns: 1fr;
    }
    .system-section {
        padding: 24px 18px 6px;
        border-radius: 22px;
    }
    .system-title {
        font-size: 1.65rem;
    }
    .product-card--wide {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        text-align: center;
    }
    .product-card--wide img {
        grid-column: 1;
        grid-row: auto;
        height: 150px;
        margin-bottom: 14px;
    }
    .product-card--wide h4,
    .product-card--wide p {
        grid-column: 1;
        grid-row: auto;
    }
}

@media (max-width: 680px) {
    .system-toc a {
        flex: 1 1 45%;
        font-size: 0.86rem;
        padding: 9px 10px;
    }
    .product-cta {
        padding: 32px 20px;
        border-radius: 22px;
    }
    .product-cta h2 {
        font-size: 1.5rem;
    }
    .product-cta .banner-btn {
        width: 100%;
    }
}

/* ============================================================
   内页通用组件（关于 / 案例 / 新闻 / 联系）
   ============================================================ */
.about-page,
.cases-page,
.news-page,
.contact-page {
    padding-top: 2px;
}

/* ---------- 页首横幅 ---------- */
.page-hero {
    position: relative;
    overflow: hidden;
    padding: 48px 44px 42px;
    border-radius: 30px;
    background: linear-gradient(135deg, #eef8ff 0%, #e4f2fc 48%, #e8fafd 100%);
    border: 1px solid rgba(58, 139, 203, 0.14);
    margin-bottom: 6px;
}
.page-hero::before,
.page-hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.page-hero::before {
    width: 460px;
    height: 460px;
    top: -190px;
    right: -140px;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.24), rgba(0, 180, 216, 0) 68%);
}
.page-hero::after {
    width: 340px;
    height: 340px;
    bottom: -200px;
    left: -120px;
    background: radial-gradient(circle, rgba(58, 139, 203, 0.2), rgba(58, 139, 203, 0) 70%);
}
.page-hero > * {
    position: relative;
    z-index: 1;
}
.page-hero .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(58, 139, 203, 0.18);
    color: var(--primary-dark);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.74rem;
    line-height: 1.6;
    margin-bottom: 20px;
}
.page-hero .hero-eyebrow::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.18);
    flex: 0 0 auto;
}
.page-hero h1 {
    font-size: 2.65rem;
    line-height: 1.18;
    color: var(--primary-dark);
    letter-spacing: -0.01em;
    max-width: 940px;
    margin-bottom: 18px;
}
.page-hero-lead {
    font-size: 1.04rem;
    color: #1e3d54;
    line-height: 1.85;
    max-width: 940px;
}
.page-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}
.page-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
}
.hero-stat {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 20px;
    padding: 18px 20px;
    box-shadow: 0 12px 28px rgba(58, 139, 203, 0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-stat:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(58, 139, 203, 0.14);
}
.hero-stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.15;
    letter-spacing: -0.01em;
}
.hero-stat-label {
    display: block;
    margin-top: 4px;
    font-size: 0.83rem;
    color: var(--gray);
    line-height: 1.5;
}

/* ---------- 描边按钮（浅色背景） ---------- */
.banner-btn--ghost {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-dark);
    border: 1px solid rgba(58, 139, 203, 0.38);
    box-shadow: none;
}
.banner-btn--ghost:hover {
    background: var(--primary-dark);
    color: #ffffff;
    border-color: var(--primary-dark);
    box-shadow: 0 16px 36px rgba(26, 95, 138, 0.24);
}

/* ---------- 分区标题（左对齐） ---------- */
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px 30px;
    flex-wrap: wrap;
    margin: 46px 0 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(58, 139, 203, 0.16);
}
.section-head-main {
    max-width: 760px;
}
.section-head .eyebrow {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-size: 0.75rem;
    margin-bottom: 10px;
}
.section-head h2 {
    font-size: 1.85rem;
    line-height: 1.28;
    color: var(--primary-dark);
}
.section-head .section-head-desc {
    color: var(--gray);
    font-size: 0.98rem;
    line-height: 1.75;
    margin-top: 8px;
}
.section-head-note {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(0, 180, 216, 0.12);
    border-radius: 999px;
    padding: 5px 14px;
    white-space: nowrap;
}

/* ---------- 关于页：公司信息卡 ---------- */
.about-facts {
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid rgba(58, 139, 203, 0.14);
    box-shadow: 0 18px 40px rgba(58, 139, 203, 0.08);
    padding: 26px 26px 12px;
}
.about-facts h4 {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}
.about-fact {
    padding: 14px 0;
    border-bottom: 1px solid rgba(58, 139, 203, 0.1);
}
.about-fact:last-child {
    border-bottom: none;
}
.about-fact dt {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--gray);
    margin-bottom: 4px;
}
.about-fact dd {
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.65;
}

/* ---------- 关于页：品牌主张 ---------- */
.slogan-section .persona-slogans {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.slogan-section .slogan-card {
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 22px;
    padding: 26px 24px;
    min-height: 0;
    box-shadow: 0 12px 30px rgba(58, 139, 203, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}
.slogan-section .slogan-card:hover {
    transform: translateY(-6px);
    border-color: rgba(58, 139, 203, 0.34);
    box-shadow: 0 22px 44px rgba(58, 139, 203, 0.14);
}
.slogan-section .slogan-card p {
    color: #22405a;
    font-size: 1.02rem;
    line-height: 1.85;
}

/* ---------- 关于页：核心能力 ---------- */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.capability-card {
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 22px;
    padding: 28px 26px 24px;
    box-shadow: 0 12px 30px rgba(58, 139, 203, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.capability-card:hover {
    transform: translateY(-6px);
    border-color: rgba(58, 139, 203, 0.36);
    box-shadow: 0 22px 44px rgba(58, 139, 203, 0.15);
}
.capability-index {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 12px;
}
.capability-card h3 {
    font-size: 1.14rem;
    line-height: 1.4;
    color: var(--primary-dark);
    margin-bottom: 10px;
}
.capability-card p {
    color: #315269;
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ---------- 关于页：发展历程时间轴 ---------- */
.milestone-list {
    list-style: none;
    position: relative;
    margin: 0;
    padding: 4px 0 0 30px;
}
.milestone-list::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, rgba(58, 139, 203, 0.55), rgba(0, 180, 216, 0.06));
}
.milestone {
    position: relative;
    padding: 0 0 26px 4px;
}
.milestone:last-child {
    padding-bottom: 0;
}
.milestone::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 7px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 4px rgba(58, 139, 203, 0.12);
}
.milestone-year {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 6px;
}
.milestone h3 {
    font-size: 1.06rem;
    color: var(--primary-dark);
    line-height: 1.45;
    margin-bottom: 6px;
}
.milestone p {
    color: #315269;
    font-size: 0.94rem;
    line-height: 1.8;
}

/* ---------- 关于页：资质与认证 ---------- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.cert-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--gray-light);
    border: 1px solid rgba(58, 139, 203, 0.12);
    border-radius: 20px;
    padding: 22px 22px 20px;
    transition: border-color 0.3s ease, background 0.3s ease;
}
.cert-card:hover {
    background: #ffffff;
    border-color: rgba(58, 139, 203, 0.32);
}
.cert-icon {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(0, 180, 216, 0.14);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}
.cert-card h3 {
    font-size: 1rem;
    color: var(--primary-dark);
    line-height: 1.45;
    margin-bottom: 4px;
}
.cert-card p {
    font-size: 0.9rem;
    color: #315269;
    line-height: 1.7;
}

/* ============================================================
   案例页：卡片升级 + 场景分组
   ============================================================ */
.cases-page .case-grid {
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 24px;
}
.case-item {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-left: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 22px;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 14px 34px rgba(58, 139, 203, 0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.case-item:hover {
    background: #ffffff;
    transform: translateY(-6px);
    border-color: rgba(58, 139, 203, 0.32);
    box-shadow: 0 24px 50px rgba(58, 139, 203, 0.16);
}
.case-item img {
    width: 100%;
    height: 196px;
    object-fit: cover;
    border-radius: 0;
    margin-bottom: 0;
    background: #d4e8f5;
}
.case-item-body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: 10px;
    padding: 22px 24px;
}
.case-item h4 {
    font-size: 1.07rem;
    line-height: 1.45;
    color: var(--primary-dark);
}
.case-item p {
    font-size: 0.92rem;
    line-height: 1.8;
    color: #3a5a6e;
    margin-top: 0;
}
.case-item .location {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
    font-size: 0.82rem;
    color: var(--gray);
    border-top: 1px solid rgba(58, 139, 203, 0.1);
}
.case-item .location i {
    width: 7px;
    height: 7px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 0;
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.14);
}

/* ============================================================
   新闻页：时间轴列表
   ============================================================ */
.news-page .news-list {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 980px;
    margin: 0 auto;
    padding-left: 28px;
}
.news-page .news-list::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(180deg, rgba(58, 139, 203, 0.5), rgba(0, 180, 216, 0.06));
}
.news-page .news-item {
    position: relative;
    display: block;
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-left: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 20px;
    padding: 22px 26px;
    box-shadow: 0 10px 26px rgba(58, 139, 203, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.news-page .news-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 26px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 4px rgba(58, 139, 203, 0.12);
}
.news-page .news-item:hover {
    transform: translateX(4px);
    border-color: rgba(58, 139, 203, 0.32);
    box-shadow: 0 18px 40px rgba(58, 139, 203, 0.14);
}
.news-page .news-item .date {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--accent);
    background: rgba(0, 180, 216, 0.12);
    border-radius: 999px;
    padding: 3px 12px;
    margin-bottom: 10px;
}
.news-page .news-item .title {
    font-size: 1.06rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--primary-dark);
}
.news-page .news-item .summary {
    margin-top: 8px;
    font-size: 0.93rem;
    line-height: 1.8;
    color: #3a5a6e;
}

/* ============================================================
   联系页
   ============================================================ */
.contact-page .contact-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 26px;
}
.contact-page .contact-card {
    background: #ffffff;
    box-shadow: 0 16px 38px rgba(58, 139, 203, 0.08);
}
.contact-list {
    display: grid;
    gap: 12px;
}
.contact-row {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: var(--gray-light);
    border: 1px solid rgba(58, 139, 203, 0.1);
    border-radius: 16px;
    transition: border-color 0.3s ease, background 0.3s ease;
}
.contact-row:hover {
    background: #ffffff;
    border-color: rgba(58, 139, 203, 0.3);
}
.contact-row .ico {
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: rgba(58, 139, 203, 0.12);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.76rem;
    letter-spacing: 0.02em;
}
.contact-row .label {
    display: block;
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 2px;
}
.contact-row .value {
    display: block;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.96rem;
    line-height: 1.65;
    word-break: break-word;
}
.contact-row .value a {
    color: var(--primary-dark);
    text-decoration: none;
    border-bottom: 1px solid rgba(58, 139, 203, 0.3);
}
.contact-row .value a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.qr-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    width: 100%;
}
.qr-tile {
    margin: 0;
    background: var(--gray-light);
    border: 1px solid rgba(58, 139, 203, 0.12);
    border-radius: 18px;
    padding: 14px 14px 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.qr-tile:hover {
    transform: translateY(-4px);
    border-color: rgba(58, 139, 203, 0.3);
    box-shadow: 0 16px 32px rgba(58, 139, 203, 0.12);
}
.qr-tile img {
    width: 100%;
    max-width: 150px;
    margin: 0 auto 10px;
    border-radius: 12px;
    box-shadow: none;
    background: #ffffff;
}
.qr-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary-dark);
}
.qr-note {
    display: block;
    font-size: 0.78rem;
    color: var(--gray);
}
.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.channel-card {
    background: #ffffff;
    border: 1px solid rgba(58, 139, 203, 0.14);
    border-radius: 22px;
    padding: 26px 24px;
    box-shadow: 0 12px 30px rgba(58, 139, 203, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.channel-card:hover {
    transform: translateY(-6px);
    border-color: rgba(58, 139, 203, 0.34);
    box-shadow: 0 22px 44px rgba(58, 139, 203, 0.14);
}
.channel-card h3 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}
.channel-card p {
    font-size: 0.93rem;
    line-height: 1.8;
    color: #315269;
}
.channel-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
}
.channel-link:hover {
    color: var(--accent);
}

/* ============================================================
   内页响应式
   ============================================================ */
@media (max-width: 1024px) {
    .page-hero {
        padding: 36px 30px 32px;
    }
    .page-hero h1 {
        font-size: 2.2rem;
    }
    .page-hero-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .contact-page .contact-grid {
        grid-template-columns: 1fr;
    }
    .cases-page .case-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 880px) {
    .page-hero {
        padding: 30px 22px 26px;
        border-radius: 24px;
    }
    .page-hero h1 {
        font-size: 1.95rem;
    }
    .section-head {
        margin: 38px 0 20px;
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }
    .section-head h2 {
        font-size: 1.6rem;
    }
    .slogan-section .persona-slogans {
        grid-template-columns: 1fr;
    }
    .cert-grid {
        grid-template-columns: 1fr;
    }
    .cases-page .case-grid {
        grid-template-columns: 1fr;
    }
    .case-item img {
        height: 176px;
    }
}

@media (max-width: 680px) {
    .page-hero-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
    .hero-stat {
        padding: 14px 16px;
    }
    .hero-stat-value {
        font-size: 1.5rem;
    }
    .page-hero-actions .banner-btn {
        width: 100%;
        text-align: center;
    }
    .qr-grid {
        grid-template-columns: 1fr;
    }
    .news-page .news-list {
        padding-left: 22px;
    }
    .news-page .news-item {
        padding: 18px 18px;
    }
    .news-page .news-item::before {
        left: -22px;
    }
    .case-item-body {
        padding: 18px 18px;
    }
    .milestone-list {
        padding-left: 24px;
    }
    .milestone::before {
        left: -24px;
    }
}