/* ============================================================
   东阿胶城阿胶 - 主样式表
   dejcej.cn · DEJC EJIAO
   ============================================================ */

/* ==================== CSS 变量（主题色） ==================== */
:root {
    --primary: #B22222;          /* 主色-阿胶红 */
    --primary-dark: #8B0000;     /* 深红 */
    --primary-light: #DC143C;    /* 亮红 */
    --primary-bg: rgba(178,34,34,0.06);

    --secondary: #2C1810;        /* 次色-深褐（阿胶色）*/
    --secondary-light: #8B4513;
    --gold: #C9A96E;             /* 金色点缀 */

    --text-dark: #1a1a1a;
    --text-body: #333333;
    --text-muted: #666666;
    --text-light: #999999;

    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #f0f1f3;
    --bg-section-alt: #faf7f2;   /* 暖灰背景 */

    --border: #e8e8e8;
    --border-light: #f0f0f0;

    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-hover: 0 8px 24px rgba(178,34,34,0.18);

    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    --font-serif: "Noto Serif SC", "STSong", serif;

    --header-h: 72px;
    --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

/* ==================== 基础 Reset ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-main);
    color: var(--text-body);
    background: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.container-fluid-full {
    width: 100%;
    padding: 0;
}

/* ==================== 顶部公告栏 ==================== */
.top-bar {
    background: var(--secondary);
    color: #ccc;
    font-size: 13px;
    height: 36px;
    display: flex;
    align-items: center;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}
.top-bar .divider { opacity: 0.4; }
.top-bar .top-link {
    color: #ddd;
    font-size: 12px;
    transition: color var(--transition);
}
.top-bar .top-link:hover { color: #fff; }
.top-bar strong { color: #fff; }
.top-bar i { margin-right: 4px; opacity: 0.8; }

@media (max-width: 768px) {
    .top-bar { display: none; }
}

/* ==================== Header 导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition);
}
.header.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo img {
    height: 44px;
    width: auto;
    object-fit: contain;
}
.logo-text-group h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
    letter-spacing: 1px;
}
.logo-subtitle {
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ========== 主导航 ============ */
.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-item {
    position: relative;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--radius);
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--primary-bg);
}
.nav-arrow {
    font-size: 10px;
    transition: transform var(--transition);
}

/* ===== Mega Menu 下拉面板 ===== */
.has-dropdown {
    position: relative;
}
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 560px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 24px;
    border: 1px solid var(--border-light);
    z-index: 999;
}
.mega-menu-lg { min-width: 720px; }
.mega-menu-sm { min-width: 200px; padding: 16px; }

.has-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.has-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.mega-menu-inner {
    display: flex;
    gap: 28px;
}

/* Mega Menu 左侧特色图 */
.mega-featured {
    width: 220px;
    height: 200px;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}
.mega-featured img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.mega-featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 16px 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
    color: #fff;
}
.mega-featured-overlay h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}
.mega-featured-overlay p {
    font-size: 12px;
    opacity: 0.85;
    line-height: 1.5;
}

/* Mega Menu 链接网格 */
.mega-links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    flex: 1;
}
.mega-link-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    transition: all var(--transition);
    color: var(--text-body);
}
.mega-link-item i {
    font-size: 16px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--primary);
    flex-shrink: 0;
    transition: all var(--transition);
}
.mega-link-item span {
    font-size: 14px;
    font-weight: 500;
}
.mega-link-item small {
    display: block;
    font-size: 11px;
    color: var(--text-light);
    margin-top: 1px;
}
.mega-link-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}
.mega-link-item:hover i {
    background: var(--primary);
    color: #fff;
}
.mega-link-item.highlight span { color: var(--primary); }
.mega-link-item.more-link span { color: var(--secondary); }

/* 「了解胶城阿胶」手风琴子集 */
.mega-accordion {
    grid-column: 1 / -1;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
}
.mega-accordion-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-body);
    transition: all var(--transition);
}
.mega-accordion-toggle:hover { color: var(--primary); background: var(--primary-bg); }
.mega-accordion-toggle span { display: inline-flex; align-items: center; gap: 8px; }
.mega-accordion-toggle span i { color: var(--primary); font-size: 15px; }
.mega-accordion-arrow { transition: transform var(--transition); font-size: 12px; color: var(--text-light); }
.mega-accordion.open .mega-accordion-arrow { transform: rotate(180deg); }
.mega-accordion-body { padding: 4px 8px 8px; display: none; }
.mega-accordion.open .mega-accordion-body { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; }
.mega-accordion-body .mega-link-item { padding: 8px 10px; }

.cat-icon-wrap { position: relative; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cat-icon-wrap .cat-icon-hover { display: none !important; }
.cat-icon-wrap .cat-icon-normal { display: inline-block; }

.mega-link-item:hover .cat-icon-wrap .cat-icon-normal,
.sidebar-nav a:hover .cat-icon-wrap .cat-icon-normal,
.cat-icon-wrap:hover .cat-icon-normal { display: none !important; }

.mega-link-item:hover .cat-icon-wrap .cat-icon-hover,
.sidebar-nav a:hover .cat-icon-wrap .cat-icon-hover,
.cat-icon-wrap:hover .cat-icon-hover { display: inline-block !important; }

/* 窄版链接列 */
.mega-links-col {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.mega-link-simple {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-body);
    transition: all var(--transition);
}
.mega-link-simple i {
    width: 20px;
    text-align: center;
    color: var(--primary);
}
.mega-link-simple:hover {
    background: var(--primary-bg);
    color: var(--primary);
    padding-left: 18px;
}

/* Header 右侧操作区 */
.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}
.header-search-btn,
.header-inquiry-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 15px;
    color: var(--text-body);
}
.header-search-btn:hover,
.header-inquiry-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}
.header-inquiry-btn {
    width: auto;
    padding: 0 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    gap: 6px;
    background: var(--primary);
    color: #fff !important;
    border-color: var(--primary);
}
.header-inquiry-btn:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-1px);
}

/* 搜索栏展开 */
.header-search-bar {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background: var(--bg-light);
    border-top: 1px solid var(--border-light);
}
.header-search-bar.show { max-height: 100px; }
.header-search-bar .container {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    gap: 12px;
}
.header-search-bar input {
    flex: 1;
    border: none;
    background: #fff;
    padding: 10px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    outline: none;
}
.header-search-bar button {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
}
#header-search-submit {
    background: var(--primary);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
#header-search-submit:hover { background: var(--primary-dark); }
#header-search-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#header-search-close:hover { color: var(--primary); }

/* 移动端菜单按钮 */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}


/* ==================== 移动端导航 ==================== */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
}
.mobile-nav-overlay.show { display: block; }

.mobile-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: #fff;
    z-index: 2000;
    transition: right 0.35s ease;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}
.mobile-nav.show { right: 0; }
.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    font-weight: 600;
    font-size: 16px;
}
.mobile-nav-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}
.mobile-nav-body { padding: 12px 0; }
.m-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    border-left: 3px solid transparent;
    transition: all var(--transition);
}
.m-nav-link:hover, .m-nav-link.active {
    color: var(--primary);
    background: var(--primary-bg);
    border-left-color: var(--primary);
}
.m-nav-link i { width: 20px; text-align: center; }

/* 移动端「公司信息」手风琴 */
.m-nav-accordion { margin: 0 16px; border-radius: var(--radius); overflow: hidden; background: var(--bg-light); }
.m-nav-accordion-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}
.m-nav-accordion-toggle span { display: inline-flex; align-items: center; gap: 8px; }
.m-nav-accordion-toggle span i { color: var(--primary); }
.m-nav-accordion-toggle .fa-chevron-down { transition: transform var(--transition); font-size: 12px; color: var(--text-light); }
.m-nav-accordion.open .fa-chevron-down { transform: rotate(180deg); }
.m-nav-accordion-body { display: none; padding: 4px 0 8px; }
.m-nav-accordion.open .m-nav-accordion-body { display: block; }
.m-nav-cta {
    color: var(--primary) !important;
    font-weight: 600 !important;
    background: var(--primary-bg) !important;
    margin: 8px 16px;
    border-radius: var(--radius);
}
.m-nav-group { border-top: 1px solid var(--border-light); }
.m-nav-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-dark);
}
.m-nav-title i:first-child { width: 20px; color: var(--primary); }
.m-nav-title i:last-child { font-size: 12px; color: var(--text-light); transition: transform 0.3s; }
.m-nav-sub {
    display: none;
    padding: 4px 0 12px;
    background: var(--bg-light);
}
.m-nav-sub.show { display: block; }
.m-nav-sub a {
    display: block;
    padding: 10px 24px 10px 52px;
    font-size: 14px;
    color: var(--text-muted);
    transition: all var(--transition);
}
.m-nav-sub a:hover {
    color: var(--primary);
    padding-left: 56px;
}

@media (max-width: 1024px) {
    .nav { display: none; }
    .mobile-toggle { display: flex; }
    .header-inquiry-btn { display: none; }
}
@media (min-width: 1025px) {
    .mobile-nav, .mobile-nav-overlay { display: none !important; }
}


/* ==================== Hero Banner 全屏轮播 ==================== */
.hero-section {
    position: relative;
    width: 100%;
    height: 720px;
    overflow: hidden;
}
.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}
.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
}
.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 40px;
    color: #fff;
}
.hero-badge {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 20px;
    width: fit-content;
}
.hero-title {
    margin-bottom: 16px;
}
.hero-title-line {
    display: block;
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 4px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-desc {
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 8px;
    opacity: 0.95;
    letter-spacing: 1px;
}
.hero-sub {
    font-size: 15px;
    opacity: 0.75;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}
.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}
.btn-hero-primary {
    background: linear-gradient(135deg, var(--gold), #e0c88c);
    color: var(--secondary);
    box-shadow: 0 4px 20px rgba(201,169,110,0.4);
}
.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(201,169,110,0.55);
    color: var(--secondary);
}
.btn-hero-outline {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(4px);
    border: 1.5px solid rgba(255,255,255,0.45);
    color: #fff;
}
.btn-hero-outline:hover {
    background: rgba(255,255,255,0.22);
    border-color: #fff;
    transform: translateY(-2px);
    color: #fff;
}
/* Hero 统计数据行 */
.hero-stats-row {
    display: flex;
    gap: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
}
.hero-stat strong {
    font-size: 28px;
    font-weight: 700;
}
.hero-stat span {
    font-size: 13px;
    opacity: 0.8;
}
/* 轮播按钮 */
.hero-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition);
}
.hero-btn:hover {
    background: rgba(255,255,255,0.28);
}
.hero-prev { left: 30px; }
.hero-next { right: 30px; }
/* 轮播点 */
.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}
.hero-dots .dot {
    width: 30px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: all 0.3s;
}
.hero-dots .dot.active {
    width: 50px;
    background: var(--gold);
}

@media (max-width: 768px) {
    .hero-section { height: 520px; }
    .hero-title-line { font-size: 28px; letter-spacing: 2px; }
    .hero-desc { font-size: 16px; }
    .hero-actions { flex-direction: column; }
    .btn-hero { text-align: center; justify-content: center; }
    .hero-stats-row { gap: 20px; flex-wrap: wrap; }
    .hero-stat strong { font-size: 22px; }
    .hero-btn { width: 40px; height: 40px; font-size: 14px; }
    .hero-prev { left: 12px; }
    .hero-next { right: 12px; }
}


/* ==================== 品牌优势横幅 ==================== */
.advantages-strip {
    background: var(--secondary);
    color: #fff;
    padding: 28px 0;
    position: relative;
    z-index: 5;
    margin-top: -40px;
}
.adv-strip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.adv-strip-item {
    display: flex;
    align-items: center;
    gap: 14px;
}
.adv-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--gold);
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.12);
}
.adv-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}
.adv-text p {
    font-size: 12px;
    opacity: 0.7;
}
@media (max-width: 768px) {
    .advantages-strip { margin-top: 0; }
    .adv-strip-grid { grid-template-columns: repeat(2,1fr); gap: 16px; }
    .adv-icon-wrap { width: 42px; height: 42px; font-size: 18px; }
}


/* ==================== 通用 Section 样式 ==================== */
.section {
    padding: 80px 0;
}
.section-header-center {
    text-align: center;
    margin-bottom: 48px;
}
.section-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}
.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 8px;
}
.section-title-deco {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    margin: 14px auto 0;
    border-radius: 2px;
}
.section-tag {
    display: inline-block;
    padding: 4px 16px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.section-title-left {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 16px;
}
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.section-title-sm {
    font-size: 22px;
    font-weight: 700;
}
.text-more {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}
.section-more-wrap {
    text-align: center;
    margin-top: 36px;
}
.btn-more-lg {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 36px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
}
.btn-more-lg:hover {
    background: var(--primary);
    color: #fff;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-more-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: inherit;
    transition: gap var(--transition);
}
.btn-more-inline:hover { gap: 12px; }
.btn-more-inline.white { color: #fff; }


/* ==================== 产品中心首页展示 ==================== */
.products-home-section { background: var(--bg-white); }
.home-product-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.hp-tab {
    padding: 8px 22px;
    border: 1px solid var(--border);
    border-radius: 30px;
    background: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-body);
}
.hp-tab:hover { border-color: var(--primary); color: var(--primary); }
.hp-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.products-home-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 产品卡片 */
.product-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.35s ease;
    position: relative;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.product-card-img {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
    background: var(--bg-light);
}
.product-card-img > img,
.product-card-img > div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.product-card-img img {
    object-fit: cover;
    transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    z-index: 2;
}
.badge-new { background: linear-gradient(135deg, #e67e22, #f39c12); }
.badge-hot { background: linear-gradient(135deg, var(--primary), #e74c3c); left: auto; right: 12px; }
.badge-rec { background: linear-gradient(135deg, #27ae60, #2ecc71); }
.product-card-body {
    padding: 18px;
}
.product-card-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-card-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}
.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}
.product-card-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
}
.product-card-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}
.product-card-link i { transition: transform 0.2s; }
.product-card-link:hover i { transform: translateX(3px); }

@media (max-width: 1024px) {
    .products-home-grid { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 768px) {
    .products-home-grid { grid-template-columns: repeat(2,1fr); gap: 14px; }
    .section { padding: 50px 0; }
}


/* ==================== OEM/ODM 首页区域 ==================== */
.oem-home-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #a02820 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.oem-home-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201,169,110,0.12), transparent 70%);
    border-radius: 50%;
}
.oem-home-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.oem-home-desc {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.88;
    margin-bottom: 24px;
}
.oem-steps-mini {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.oem-step-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}
.oem-step-num {
    font-weight: 700;
    color: var(--gold);
    font-size: 15px;
}
.oem-step-arrow { color: rgba(255,255,255,0.35); font-size: 14px; }
.oem-service-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition);
}
.oem-service-card:hover {
    background: rgba(255,255,255,0.16);
    transform: translateY(-3px);
}
.oem-service-card i {
    font-size: 28px;
    color: var(--gold);
    margin-bottom: 12px;
}
.oem-service-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}
.oem-service-card p {
    font-size: 13px;
    opacity: 0.75;
    margin-bottom: 10px;
    line-height: 1.6;
}
.oem-service-card a {
    font-size: 13px;
    color: var(--gold);
    font-weight: 500;
}
@media (max-width: 900px) {
    .oem-home-inner { grid-template-columns: 1fr; gap: 40px; }
}


/* ==================== 关于我们首页展示 ==================== */
.about-home-section { background: var(--bg-section-alt); }
.about-home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-home-visual {
    position: relative;
}
.about-img-main {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}
.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-img-float {
    position: absolute;
    bottom: -30px;
    right: -20px;
    width: 200px;
    height: 150px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 5px solid #fff;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
}
.about-experience-badge {
    position: absolute;
    top: -15px;
    left: -15px;
    width: 100px;
    height: 100px;
    background: var(--gold);
    color: var(--secondary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}
.about-experience-badge strong {
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
}
.about-experience-badge span {
    font-size: 11px;
    font-weight: 600;
}
.about-home-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 14px;
}
.about-data-row {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 16px;
    margin: 28px 0;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.data-item {
    text-align: center;
}
.data-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}
.data-item small { font-size: 13px; color: var(--text-muted); }
.data-item span {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.about-home-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
@media (max-width: 900px) {
    .about-home-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-data-row { grid-template-columns: repeat(2,1fr); }
    .about-img-float { display: none; }
}


/* ==================== 核心竞争力 ==================== */
.strengths-section { background: var(--bg-white); }
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.strength-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.35s ease;
}
.strength-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.strength-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--primary);
    transition: all 0.35s;
}
.strength-card:hover .strength-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}
.strength-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}
.strength-card > p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}
.strength-list {
    text-align: left;
}
.strength-list li {
    font-size: 13px;
    color: var(--text-body);
    padding: 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.strength-list li i {
    color: var(--primary);
    font-size: 12px;
}
@media (max-width: 1024px) {
    .strengths-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
    .strengths-grid { grid-template-columns: 1fr; }
}


/* ==================== 新闻资讯首页 ==================== */
.news-home-section { background: var(--bg-light); }
.news-home-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
}
.news-featured-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-gray);
}
.news-featured-card .news-featured-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
    color: inherit;
}
.news-featured-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-featured-card .nf-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.82), transparent);
    color: #fff;
}
.news-featured-card .nf-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary);
    border-radius: 4px;
    font-size: 11px;
    margin-bottom: 8px;
}
.news-featured-card .nf-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 4px;
}
.news-featured-card .nf-date { font-size: 12px; opacity: 0.7; }

.news-list-side { display: flex; flex-direction: column; gap: 12px; }
.news-side-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: #fff;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
}
.news-side-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.nsi-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
    min-width: 60px;
}
.nsi-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 2px;
}
.nsi-info p {
    font-size: 12px;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 新闻标签页 */
.news-cat-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0;
}
.nc-tab {
    padding: 10px 20px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: all var(--transition);
}
.nc-tab:hover,
.nc-tab:focus {
    color: var(--primary);
    background: rgba(178, 34, 34, 0.04);
    outline: none;
}
.nc-tab.active {
    color: var(--primary);
}
.nc-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}
.news-tab-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 10px;
    transition: all var(--transition);
    cursor: pointer;
}
.news-tab-item:hover {
    box-shadow: var(--shadow-sm);
}
.nti-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
}
.nti-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 3px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.nti-info p {
    font-size: 12px;
    color: var(--text-muted);
}
.nti-tag {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 4px;
    margin-right: 6px;
}
.news-tab-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-muted);
    background: #fff;
    border-radius: var(--radius);
    text-align: center;
}
.news-tab-empty i {
    font-size: 32px;
    margin-bottom: 10px;
    opacity: 0.5;
}
.news-tab-empty p {
    font-size: 14px;
    margin: 0;
}
@media (max-width: 768px) {
    .news-home-layout { grid-template-columns: 1fr; }
}


/* ==================== 合作伙伴 ==================== */
.partners-section { padding: 50px 0; background: var(--bg-white); }
.partners-marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.partners-track {
    display: flex;
    gap: 30px;
    animation: marquee 30s linear infinite;
    width: max-content;
}
.partner-logo {
    width: 160px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}
@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}


/* ==================== CTA 询价区 ==================== */
.inquiry-cta-section {
    background: linear-gradient(135deg, var(--bg-section-alt), var(--bg-light));
    padding: 60px 0;
}
.inquiry-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.cta-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.cta-text p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 480px;
}
.btn-cta-xlarge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 700;
    box-shadow: 0 6px 24px rgba(178,34,34,0.35);
    transition: all 0.3s;
    white-space: nowrap;
}
.btn-cta-xlarge:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(178,34,34,0.45);
    color: #fff;
}
@media (max-width: 768px) {
    .inquiry-cta-inner { flex-direction: column; text-align: center; }
    .cta-text p { max-width: 100%; }
}


/* ==================== 页脚 ==================== */
.footer { background: var(--secondary); color: #bbb; }
.footer-top { padding: 60px 0 40px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
    gap: 36px;
}
.footer-logo h3 {
    font-size: 22px;
    color: #fff;
    margin-bottom: 6px;
    font-weight: 700;
}
.footer-slogan {
    font-size: 12px;
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 16px;
}
#footer-desc {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    opacity: 0.75;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-size: 15px;
    transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }

.footer-links-col h4,
.footer-contact-col h4 {
    font-size: 16px;
    color: #eee;
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.footer-links-col h4::after,
.footer-contact-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--gold);
}
.footer-links-col a {
    display: block;
    font-size: 14px;
    padding: 5px 0;
    color: #aaa;
    transition: all var(--transition);
}
.footer-links-col a:hover { color: var(--gold); padding-left: 6px; }

.footer-contact-col p {
    font-size: 13px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact-col p i { color: var(--gold); width: 16px; }
.footer-qrcode {
    margin-top: 14px;
    width: 104px;
    height: 104px;
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.footer-qrcode:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}
.footer-qrcode img {
    width: 92px;
    height: 92px;
    object-fit: contain;
}
.qrcode-placeholder {
    width: 100px; height: 100px;
    background: var(--bg-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 18px 0;
}
.footer-bottom-flex {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 13px;
}
.footer-bottom a { color: #888; }
.footer-bottom a:hover { color: var(--gold); }
.footer-bottom .divider { opacity: 0.3; }

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom-flex { flex-direction: column; gap: 8px; }
}


/* ==================== 在线客服悬浮窗 ==================== */
.chat-float { position: fixed; bottom: 30px; right: 30px; z-index: 1500; }
.chat-float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(178,34,34,0.4);
    position: relative;
    transition: all 0.3s;
}
.chat-float-btn:hover { transform: scale(1.08); }
.chat-float-btn > i,
.chat-float-btn > .chat-pulse { pointer-events: none; }
.chat-pulse {
    position: absolute;
    top: -2px; right: -2px;
    width: 14px; height: 14px;
    background: #27ae60;
    border-radius: 50%;
    border: 2px solid #fff;
    animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(39,174,96,0.5); }
    70% { box-shadow: 0 0 0 10px rgba(39,174,96,0); }
    100% { box-shadow: 0 0 0 0 rgba(39,174,96,0); }
}

.chat-float-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 360px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: chatSlideUp 0.3s ease;
}
@keyframes chatSlideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.chat-float-panel.show { display: flex; }
.chat-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
}
.chat-panel-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.chat-panel-info strong { font-size: 15px; display: block; }
.chat-status-online { font-size: 11px; opacity: 0.85; }
.chat-status-online i { font-size: 8px; color: #2ecc71; margin-right: 4px; }
.chat-panel-minimize {
    margin-left: auto;
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
}

.chat-panel-body {
    padding: 20px;
    max-height: 260px;
    overflow-y: auto;
    background: var(--bg-light);
}
.chat-welcome {
    text-align: center;
    padding: 16px;
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 12px;
}
.welcome-avatar {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 8px;
}
.chat-welcome p { font-size: 14px; margin-bottom: 4px; color: var(--text-body); }
.welcome-sub { font-size: 12px !important; color: var(--text-muted) !important; }
.chat-msg-system {
    background: #fff;
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.8;
}
.chat-msg-system p { margin: 2px 0; }

.chat-panel-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
}
.quick-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #fff;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-body);
}
.quick-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.chat-panel-form {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.chat-panel-form input,
.chat-panel-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    outline: none;
    font-family: inherit;
    transition: border-color var(--transition);
}
.chat-panel-form input:focus,
.chat-panel-form textarea:focus { border-color: var(--primary); }
.chat-input-name { font-size: 12px !important; }
.chat-submit-btn {
    padding: 11px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}
.chat-submit-btn:hover { background: var(--primary-dark); }


/* ==================== 回到顶部 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1400;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-3px);
}


/* ========== 产品详情页图片画廊 ========== */
.product-gallery {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--border-light);
}
.gallery-main {
    position: relative;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-main-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-main-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    color: var(--primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 2;
    transition: all .2s ease;
}
.gallery-arrow:hover { background: var(--primary); color: #fff; }
.gallery-arrow.gallery-prev { left: 12px; }
.gallery-arrow.gallery-next { right: 12px; }
.gallery-thumbs {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}
.gallery-thumb {
    width: 72px;
    height: 72px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    padding: 2px;
    cursor: pointer;
    transition: all .2s ease;
    overflow: hidden;
}
.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}
.gallery-thumb:hover,
.gallery-thumb.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(178,34,34,0.15);
}

/* ==================== 子页面通用样式 ==================== */
/* 页面头部横幅（内页） */
.page-banner {
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), #c44);
    color: #fff;
}
.page-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.15), transparent);
}
.page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}
.page-banner h1 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 3px;
}
.page-banner p {
    font-size: 16px;
    opacity: 0.85;
}
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    margin-top: 14px;
    opacity: 0.75;
}
.breadcrumb a:hover { color: #fff; opacity: 1; }
.breadcrumb span { opacity: 0.6; }

/* 内容区域 */
.page-content {
    padding: 60px 0;
}
.page-layout-2col {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 40px;
}
.page-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
}
.sidebar-nav {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.sidebar-nav-title {
    padding: 18px 20px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition);
}
.sidebar-nav a:last-child { border-bottom: none; }
.sidebar-nav a:hover {
    background: var(--primary-bg);
    color: var(--primary);
    padding-left: 26px;
}
.sidebar-nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
    font-weight: 600;
    border-left: 3px solid var(--primary);
}
.sidebar-nav a i { width: 18px; text-align: center; color: var(--primary); opacity: 0.7; }
.sidebar-nav a.active i { opacity: 1; }

/* 文章内容样式 */
.article-content {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-body);
}
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 24px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--primary-bg);
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 18px 0 10px;
    color: var(--text-dark);
}
.article-content p {
    margin-bottom: 12px;
}
.article-content ul, .article-content ol {
    margin: 12px 0 16px 20px;
}
.article-content li {
    margin-bottom: 6px;
    padding-left: 8px;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}
.article-content blockquote {
    margin: 20px 0;
    padding: 16px 24px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--text-muted);
}
.article-meta {
    display: flex;
    gap: 20px;
    padding: 10px 0;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    color: var(--text-muted);
}
.article-meta span { display: flex; align-items: center; gap: 6px; }

@media (max-width: 900px) {
    .page-layout-2col { grid-template-columns: minmax(0, 1fr); }
    .page-sidebar { position: static; margin-bottom: 24px; }
    .page-sidebar .sidebar-nav {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        scrollbar-width: none;
    }
    .page-sidebar .sidebar-nav::-webkit-scrollbar { display: none; }
    .page-sidebar .sidebar-nav .sidebar-nav-title { display: none; }
    .page-sidebar .sidebar-nav a {
        white-space: nowrap;
        padding: 8px 16px;
        font-size: 13px;
        flex-shrink: 0;
    }
    .page-banner {
        height: auto;
        min-height: 200px;
        padding-top: calc(var(--header-h) + 24px);
        padding-bottom: 32px;
        align-items: flex-start;
        justify-content: center;
    }
    .page-banner-content {
        width: 100%;
        padding: 0 20px;
    }
    .page-banner h1 { font-size: 26px; }
}


/* ==================== 表单样式 ==================== */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
    font-family: inherit;
    background: #fff;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(178,34,34,0.08);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}


/* ==================== 动画工具类 ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 加载动画 */
.spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* ==================== Logo fallback ==================== */
.logo a { display: flex; align-items: center; gap: 10px; }
.logo-icon-placeholder {
    width: 44px; height: 44px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.logo-text-group { display: flex; flex-direction: column; }
.logo-text-group strong { font-size: 18px; font-weight: 700; color: var(--primary-dark); line-height: 1.2; }
.logo-text-group small { font-size: 10px; color: var(--text-light); letter-spacing: 2px; text-transform: uppercase; }

/* ==================== 子栏目导航标签 ==================== */
.sub-nav-section { background: var(--bg-white); border-bottom: 1px solid var(--border-light); }
.sub-nav {
    display: flex;
    gap: 4px;
    padding: 12px 0;
    flex-wrap: wrap;
}
.sub-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-body);
    transition: all var(--transition);
    border: 1px solid transparent;
}
.sub-nav a:hover {
    color: var(--primary);
    background: var(--primary-bg);
    border-color: var(--primary-bg);
}
.sub-nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
    border-color: var(--primary);
    font-weight: 600;
}
.sub-nav a i { font-size: 14px; opacity: 0.7; }
.sub-nav a.active i { opacity: 1; }
@media (max-width: 600px) {
    .sub-nav { gap: 2px; padding: 8px 0; }
    .sub-nav a { padding: 8px 14px; font-size: 13px; }
}

/* ==================== 面包屑导航条 ==================== */
.breadcrumb-section { background: var(--bg-light); padding: 10px 0; }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .separator { opacity: 0.4; }
.breadcrumb .current { color: var(--text-dark); font-weight: 500; }

/* ==================== 公司概况页样式 ==================== */
.company-intro { margin-bottom: 80px; }
.company-intro .section-header {
    margin-bottom: 24px;
}
.company-intro .section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 12px;
}
.company-intro .section-header p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-muted);
}
.intro-content { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
.intro-content:not(.has-media) { grid-template-columns: 1fr; gap: 24px; }
.intro-text .lead { font-size: 17px; font-weight: 500; color: var(--text-dark); margin-bottom: 16px; line-height: 1.8; }
.intro-text p { font-size: 14px; line-height: 1.8; color: var(--text-body); margin-bottom: 12px; }
/* 富文本编辑器内容渲染适配 */
.intro-content-body h1, .intro-content-body h2, .intro-content-body h3 { margin: 16px 0 8px; font-weight: 600; color: var(--text-dark); }
.intro-content-body h1 { font-size: 22px; }
.intro-content-body h2 { font-size: 19px; }
.intro-content-body h3 { font-size: 16px; }
.intro-content-body ul, .intro-content-body ol { margin: 8px 0 12px 20px; }
.intro-content-body li { font-size: 14px; line-height: 1.8; color: var(--text-body); margin-bottom: 4px; }
.intro-content-body blockquote { border-left: 4px solid var(--primary); padding: 8px 16px; margin: 12px 0; background: rgba(0,0,0,0.02); color: var(--text-body); font-style: italic; }
.intro-content-body img { max-width: 100%; border-radius: 8px; margin: 12px 0; }
.intro-content-body a { color: var(--primary); text-decoration: underline; }
.intro-content-body pre { background: rgba(0,0,0,0.05); padding: 12px; border-radius: 8px; overflow-x: auto; font-size: 13px; margin: 12px 0; }
/* 团队介绍富文本内容渲染适配 */
#about-team-intro-content h1, #about-team-intro-content h2, #about-team-intro-content h3 { margin: 16px 0 8px; font-weight: 600; color: var(--text-dark); }
#about-team-intro-content h1 { font-size: 22px; }
#about-team-intro-content h2 { font-size: 19px; }
#about-team-intro-content h3 { font-size: 16px; }
#about-team-intro-content p { font-size: 14px; line-height: 1.8; color: var(--text-body); margin-bottom: 12px; }
#about-team-intro-content ul, #about-team-intro-content ol { margin: 8px 0 12px 20px; }
#about-team-intro-content li { font-size: 14px; line-height: 1.8; color: var(--text-body); margin-bottom: 4px; }
#about-team-intro-content blockquote { border-left: 4px solid var(--primary); padding: 8px 16px; margin: 12px 0; background: rgba(0,0,0,0.02); color: var(--text-body); font-style: italic; }
#about-team-intro-content img { max-width: 100%; border-radius: 8px; margin: 12px 0; }
#about-team-intro-content a { color: var(--primary); text-decoration: underline; }
.intro-highlights { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 20px; }
.highlight-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-body); }
.highlight-item i { color: var(--primary); }
.intro-image { position: relative; border-radius: var(--radius-xl); overflow: hidden; background: #f5f5f5; }
.has-media .intro-image { aspect-ratio: 3/4; min-height: 320px; }
.intro-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.intro-image video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.image-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.3); display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; gap: 12px; transition: all 0.3s; cursor: pointer; z-index: 2; }
.image-overlay:hover { background: rgba(0,0,0,0.45); }
.play-button { width: 64px; height: 64px; border-radius: 50%; border: 3px solid #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; transition: all 0.3s; }
.image-overlay:hover .play-button { transform: scale(1.1); background: rgba(255,255,255,0.15); }
@media (max-width: 768px) {
    .intro-content { grid-template-columns: 1fr; gap: 32px; }
    .intro-image { aspect-ratio: 16/9; }
}

/* 发展历程时间线 */
.history-section { margin-bottom: 80px; }
.timeline { position: relative; padding: 20px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--primary-bg), var(--primary), var(--primary-bg)); transform: translateX(-50%); }
.timeline-item { display: flex; align-items: flex-start; margin-bottom: 40px; position: relative; }
.timeline-item.left { justify-content: flex-start; }
.timeline-item.right { justify-content: flex-end; }
.timeline-dot { width: 16px; height: 16px; border-radius: 50%; background: var(--primary); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--primary-bg); position: absolute; left: 50%; top: 6px; transform: translateX(-50%); z-index: 2; }
.timeline-content { width: 45%; background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 20px 24px; box-shadow: var(--shadow-sm); }
.timeline-year { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.timeline-content h3 { font-size: 16px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.timeline-content p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
@media (max-width: 768px) {
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item.left, .timeline-item.right { justify-content: flex-start; }
    .timeline-dot { left: 20px; }
    .timeline-content { width: calc(100% - 50px); margin-left: 50px; }
}

/* 统计数字 */
.stats-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    margin-bottom: 80px;
    color: #fff;
}
.stats-section .section-header {
    text-align: center;
    margin-bottom: 40px;
    color: #fff;
}
.stats-section .section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}
.stats-section .section-header p {
    font-size: 15px;
    opacity: 0.8;
    margin: 0;
    color: #fff;
}
.stats-section .section-tag {
    background: rgba(255,255,255,0.15);
    color: #fff;
    margin-bottom: 12px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-item { text-align: center; color: #fff; }
.stat-icon { font-size: 32px; color: var(--gold); margin-bottom: 12px; }
.stat-number { font-size: 42px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-suffix { font-size: 18px; font-weight: 600; color: var(--gold); }
.stat-label { font-size: 14px; opacity: 0.7; margin-top: 4px; }
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .stats-section { padding: 40px 24px; }
    .stat-number { font-size: 32px; }
}

/* 企业架构 */
.structure-section { margin-bottom: 80px; }
.structure-chart { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.structure-level { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.structure-node { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 24px; display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text-dark); box-shadow: var(--shadow-sm); transition: all var(--transition); min-width: 120px; }
.structure-node:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.structure-node i { color: var(--primary); }
.structure-node.ceo { background: var(--primary); color: #fff; border-color: var(--primary); }
.structure-node.ceo i { color: #fff; }

/* 企业文化卡片 */
.culture-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.culture-card { text-align: center; padding: 32px 24px; background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); transition: all 0.35s; }
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.culture-icon { width: 60px; height: 60px; border-radius: 50%; background: var(--primary-bg); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 24px; color: var(--primary); transition: all 0.35s; }
.culture-card:hover .culture-icon { background: var(--primary); color: #fff; transform: scale(1.1); }
.culture-card h3 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.culture-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
@media (max-width: 768px) {
    .culture-cards { grid-template-columns: repeat(2, 1fr); }
    .structure-node { min-width: 100px; padding: 10px 16px; font-size: 13px; }
}

/* ==================== 资质荣誉页样式 ==================== */
.certificates-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.certificate-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.35s; }
.certificate-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.certificate-image { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.certificate-image img { width: 100%; height: 100%; object-fit: cover; }
.certificate-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; opacity: 0; transition: all 0.3s; }
.certificate-card:hover .certificate-overlay { opacity: 1; }
.btn-view { padding: 10px 24px; background: #fff; color: var(--text-dark); border: none; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.btn-view:hover { background: var(--primary); color: #fff; }
.certificate-info { padding: 16px; }
.certificate-info h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--text-dark); }
.certificate-info p { font-size: 12px; color: var(--text-muted); margin: 3px 0; }
@media (max-width: 1024px) { .certificates-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .certificates-grid { grid-template-columns: 1fr; } }

/* 荣誉时间线 */
.awards-timeline { display: flex; flex-direction: column; gap: 20px; }
.award-item { display: flex; gap: 24px; align-items: flex-start; }
.award-year { width: 80px; font-size: 18px; font-weight: 800; color: var(--primary); text-align: right; padding-top: 12px; flex-shrink: 0; }
.award-content { flex: 1; display: flex; gap: 16px; background: #fff; padding: 20px 24px; border-radius: var(--radius); border: 1px solid var(--border-light); border-left: 4px solid var(--primary); transition: all 0.3s; }
.award-content:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.award-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--primary-bg); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--primary); flex-shrink: 0; }
.award-content h3 { font-size: 16px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.award-content p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
@media (max-width: 600px) {
    .award-item { flex-direction: column; gap: 8px; }
    .award-year { text-align: left; font-size: 16px; padding-top: 0; }
}

/* 专利网格 */
.patents-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.patent-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 28px 20px; text-align: center; transition: all 0.35s; }
.patent-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.patent-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--primary-bg); display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 22px; color: var(--primary); }
.patent-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.patent-number { font-size: 12px; color: var(--text-light); margin-bottom: 6px; }
.patent-card > p { font-size: 13px; color: var(--text-muted); }
@media (max-width: 768px) { .patents-grid { grid-template-columns: repeat(2, 1fr); } }

/* 灯箱 */
.lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 9999; align-items: center; justify-content: center; }
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); }
.lightbox-close { position: absolute; top: 20px; right: 30px; background: none; border: none; color: #fff; font-size: 40px; cursor: pointer; }

/* ==================== 视频信息页样式 ==================== */
.video-cat-tabs { display: flex; gap: 4px; margin-bottom: 32px; flex-wrap: wrap; border-bottom: 2px solid var(--border); padding-bottom: 0; }
.vct-tab { padding: 10px 22px; background: none; border: none; font-size: 14px; font-weight: 500; color: var(--text-muted); cursor: pointer; position: relative; transition: all var(--transition); }
.vct-tab.active { color: var(--primary); }
.vct-tab.active::after { content: ''; position: absolute; bottom: -2px; left: 20px; right: 20px; height: 2px; background: var(--primary); border-radius: 1px; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.35s; }
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.video-card-large { grid-column: 1 / -1; }
.video-card-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-gray); }
.video-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.video-card:hover .video-card-thumb img { transform: scale(1.06); }
.video-play-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.3); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; opacity: 0; transition: all 0.3s; cursor: pointer; }
.video-card:hover .video-play-overlay { opacity: 1; }
.video-play-btn { width: 56px; height: 56px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; box-shadow: 0 4px 16px rgba(178,34,34,0.4); }
.video-play-overlay span { color: #fff; font-size: 13px; font-weight: 500; }
.video-duration { position: absolute; bottom: 8px; right: 8px; padding: 2px 8px; background: rgba(0,0,0,0.75); color: #fff; border-radius: 4px; font-size: 11px; }
.video-card-body { padding: 16px; }
.video-card-body h3 { font-size: 16px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.video-card-body p { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 8px; }
.video-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-light); }
.video-meta i { margin-right: 3px; }
@media (max-width: 1024px) { .video-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .video-grid { grid-template-columns: 1fr; } .vct-tab { padding: 8px 14px; font-size: 13px; } }

/* ==================== 人员招聘页样式 ==================== */
.philosophy-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.philosophy-card { text-align: center; padding: 36px 24px; background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); transition: all 0.35s; }
.philosophy-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.philosophy-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--primary-bg); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 26px; color: var(--primary); transition: all 0.35s; }
.philosophy-card:hover .philosophy-icon { background: var(--primary); color: #fff; transform: scale(1.1); }
.philosophy-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.philosophy-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
@media (max-width: 768px) { .philosophy-cards { grid-template-columns: repeat(2, 1fr); } }

/* 福利待遇 */
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.benefit-item { text-align: center; padding: 24px 16px; background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); transition: all 0.3s; }
.benefit-item:hover { border-color: var(--primary); }
.benefit-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--primary-bg); display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; font-size: 18px; color: var(--primary); }
.benefit-item h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.benefit-item p { font-size: 12px; color: var(--text-muted); }
@media (max-width: 600px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }

/* 招聘岗位 */
.job-list { display: flex; flex-direction: column; gap: 16px; }
.job-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 24px; transition: all 0.3s; }
.job-card:hover { box-shadow: var(--shadow-md); }
.job-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.job-header h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); }
.job-type { padding: 3px 12px; background: var(--primary-bg); color: var(--primary); border-radius: 20px; font-size: 12px; font-weight: 600; }
.job-info { display: flex; gap: 20px; margin-bottom: 14px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); }
.job-info i { color: var(--primary); margin-right: 4px; }
.job-desc { font-size: 13px; color: var(--text-body); line-height: 1.7; margin-bottom: 16px; padding: 14px 16px; background: var(--bg-light); border-radius: var(--radius); }
.job-desc p { margin-bottom: 8px; }
.job-desc strong { color: var(--text-dark); }

/* 暂无岗位提示 */
.job-empty-tip {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 24px 28px;
    background: #F9FAFB;
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}
.job-empty-tip i {
    color: var(--primary);
    font-size: 22px;
    margin-top: 2px;
    flex-shrink: 0;
}
.job-empty-tip p { margin: 0; }

/* ==================== 产品列表页布局 ==================== */
/* 顶部横向分类标签栏（与新闻列表页风格一致） */
.product-tabs {
    display: flex;
    align-items: center;
    gap: 36px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-light);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    position: relative;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
}
.product-tabs::-webkit-scrollbar { display: none; }
.product-tab {
    flex-shrink: 0;
    padding: 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition);
    white-space: nowrap;
    scroll-snap-align: start;
    -webkit-user-select: none;
    user-select: none;
}
.product-tab:hover {
    color: var(--primary);
}
.product-tab.active {
    color: var(--primary);
    font-weight: 600;
}
.product-tab.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.products-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.products-page-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.products-page-title-row h2 {
    font-size: 20px;
}
.products-page-title-row span {
    font-size: 13px;
    color: var(--text-muted);
}
.products-list-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

/* ==================== 全局响应式增强 ==================== */
@media (max-width: 1200px) {
    .container { max-width: 960px; }
}
@media (max-width: 1024px) {
    .container { max-width: 100%; padding: 0 20px; }
    /* 导航栏大屏显示，小屏通过JS隐藏 */
}
@media (max-width: 768px) {
    .section { padding: 40px 0; }
    .section-title { font-size: 24px; }
    .section-title-left { font-size: 24px; }
    .section-header-center { margin-bottom: 32px; }
    .container { padding: 0 16px; }
    .section-tag { font-size: 12px; }

    /* Hero */
    .hero-section { height: 420px; }
    .hero-title-line { font-size: 26px; letter-spacing: 2px; }
    .hero-desc { font-size: 15px; }
    .hero-sub { font-size: 13px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-btn { width: 36px; height: 36px; font-size: 14px; }
    .hero-prev { left: 10px; }
    .hero-next { right: 10px; }
    .hero-stats-row { gap: 16px; flex-wrap: wrap; }
    .hero-stat strong { font-size: 20px; }

    /* 产品网格 */
    .products-home-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .product-card-body { padding: 12px; }
    .product-card-name { font-size: 14px; }
    .product-card-desc { font-size: 12px; }

    /* 优势 */
    .strengths-grid { grid-template-columns: 1fr; }
    .strength-card { padding: 24px 20px; }

    /* 合作伙伴 */
    .partner-logo { width: 120px; height: 50px; }

    /* 统计数字 */
    .stat-number { font-size: 28px; }

    /* 关于我们 */
    .about-home-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-data-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .data-number { font-size: 24px; }
    .about-img-float { display: none; }
    .about-experience-badge { width: 70px; height: 70px; }
    .about-experience-badge strong { font-size: 22px; }

    /* 新闻 */
    .news-home-layout { grid-template-columns: 1fr; }

    /* CTA */
    .inquiry-cta-inner { flex-direction: column; text-align: center; }
    .btn-cta-xlarge { padding: 14px 32px; font-size: 15px; }

    /* 页脚 */
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom-flex { flex-direction: column; gap: 6px; }

    /* 子页面 */
    .page-banner {
        height: auto;
        min-height: 180px;
        padding-top: calc(var(--header-h) + 20px);
        padding-bottom: 28px;
        align-items: flex-start;
        justify-content: center;
    }
    .page-banner-content {
        width: 100%;
        padding: 0 16px;
    }
    .page-banner h1 {
        font-size: 24px;
        margin-bottom: 8px;
        line-height: 1.25;
    }
    .page-banner p {
        font-size: 14px;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    /* 聊天窗口 */
    .chat-float { bottom: 16px; right: 16px; }
    .chat-float-btn { width: 50px; height: 50px; font-size: 22px; }
    .chat-float-panel { width: calc(100vw - 32px); max-width: 360px; right: 0; }
    .back-to-top { right: 72px; bottom: 16px; width: 38px; height: 38px; }

    /* 产品列表页 */
    .product-tabs {
        gap: 22px;
        margin-bottom: 18px;
        padding-bottom: 12px;
        cursor: grab;
    }
    .product-tabs:active,
    .product-tabs.dragging { cursor: grabbing; }
    .product-tab { font-size: 14px; }
    .product-tab.active::after {
        bottom: -14px;
        width: 5px;
        height: 5px;
    }
    .products-list-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

    /* Snap scroll 移动端禁用 */
    html.snap-enabled { scroll-snap-type: none; }
    .snap-section { min-height: auto; padding-top: 40px; padding-bottom: 40px; }
    .hero-section.snap-section { height: 420px; }
    .snap-nav { display: none; }
    .scroll-hint { display: none; }
}
@media (max-width: 480px) {
    .products-home-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .hero-section { height: 360px; }
    .hero-title-line { font-size: 22px; }
    .section-title { font-size: 22px; }
    .section { padding: 32px 0; }
    .hp-tab { padding: 6px 14px; font-size: 12px; }
    .philosophy-cards { grid-template-columns: 1fr; }
    .job-info { flex-direction: column; gap: 6px; }
    .products-list-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}

/* ============================================================
   全屏滚动吸附 (Snap Scroll) - 仅首页
   ============================================================ */

/* 根元素启用滚动吸附 */
html.snap-enabled {
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    scroll-padding-top: 72px;
}
html.snap-enabled .top-bar {
    display: none;
}
html.snap-enabled .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

/* 吸附目标 */
.snap-section {
    scroll-snap-align: start;
    scroll-snap-stop: always;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    padding-bottom: 80px;
}

/* Hero 特殊处理：不需要 padding-top（header 覆盖在上面） */
.hero-section.snap-section {
    height: 100vh;
    padding-top: 0;
    padding-bottom: 0;
    justify-content: flex-end;
}

/* 首页页脚作为最后一个 snap 区域，保持页脚本身的排版 */
.footer.snap-section {
    min-height: auto;
    justify-content: flex-start;
    padding-top: 0;
    padding-bottom: 0;
}

/* 滚动提示箭头 */
.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    letter-spacing: 1px;
    animation: scrollHintBounce 2s ease-in-out infinite;
    cursor: pointer;
    transition: opacity 0.3s;
}
.scroll-hint i { font-size: 18px; }
.scroll-hint:hover { color: #fff; }

@keyframes scrollHintBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(8px); }
    60% { transform: translateX(-50%) translateY(4px); }
}

/* ==================== 侧面导航点 ==================== */
.snap-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.snap-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.snap-nav li { position: relative; }
.snap-dot {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    border: 2px solid rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    outline: none;
}
.snap-dot:hover,
.snap-dot:focus-visible {
    background: rgba(255,255,255,0.7);
    border-color: #fff;
    transform: scale(1.3);
}
.snap-dot.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(178,34,34,0.5);
    transform: scale(1.3);
}
/* 暗色区段用亮色点 */
.snap-section:nth-of-type(1) ~ .snap-nav .snap-dot,
.snap-section.bg-dark + .snap-nav .snap-dot {
    /* handled via JS */
}
.snap-dot-label {
    position: absolute;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.75);
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}
.snap-dot:hover .snap-dot-label,
.snap-dot:focus-visible .snap-dot-label { opacity: 1; }

/* 导航点暗色模式（在白色背景的 section 下用深色点） */
.snap-nav.dark-dots .snap-dot {
    background: rgba(0,0,0,0.15);
    border-color: rgba(0,0,0,0.25);
}
.snap-nav.dark-dots .snap-dot:hover,
.snap-nav.dark-dots .snap-dot:focus-visible {
    background: rgba(0,0,0,0.35);
    border-color: rgba(0,0,0,0.5);
}
.snap-nav.dark-dots .snap-dot.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(178,34,34,0.4);
}

/* 移动端隐藏导航点 */
@media (max-width: 768px) {
    .snap-nav { display: none; }
    .snap-section {
        scroll-snap-align: start;
        min-height: auto;
        padding-top: 60px;
        padding-bottom: 40px;
    }
    html.snap-enabled {
        scroll-snap-type: none;
        height: auto;
    }
}

/* ============================================================
   移动端全局优化
   ============================================================ */

/* 消除 300ms 点击延迟 */
@media (max-width: 1024px) {
    a, button, input, select, textarea {
        touch-action: manipulation;
    }
}

/* 触摸设备禁用 hover 动画，减少渲染负担 */
@media (hover: none) and (pointer: coarse) {
    .product-card:hover,
    .strength-card:hover,
    .oem-service-card:hover,
    .job-card:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
    .btn-hero:hover,
    .btn-cta-xlarge:hover,
    .btn-primary:hover {
        transform: none;
    }
}

/* 移动端按钮触摸区域增大 */
@media (max-width: 768px) {
    .btn-primary,
    .btn-hero,
    .btn-cta-xlarge {
        min-height: 44px;
    }
    .nav-link,
    .sub-nav a,
    .sidebar-nav a,
    .hp-tab {
        min-height: 40px;
        display: inline-flex;
        align-items: center;
    }
    /* 表单输入优化 */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* 防止 iOS 缩放 */
        padding: 12px 14px;
    }
    /* 防止长文本溢出 */
    .product-card-name,
    .section-title,
    .section-title-left,
    h1, h2, h3 {
        word-break: break-word;
        overflow-wrap: break-word;
    }
    /* 图片懒加载占位 */
    img[loading="lazy"] {
        background: var(--bg-light);
    }
    /* 移动端减少 section 间距 */
    .section { padding: 36px 0; }
    /* 移动端隐藏桌面端装饰元素 */
    .about-img-float { display: none; }
    /* 移动端页脚精简 */
    .footer-top { padding: 40px 0 24px; }
    /* 固定header高度调整 */
    :root { --header-h: 60px; }
    .logo img { height: 36px; }
    .logo-text-group h1 { font-size: 16px; }
    .logo-subtitle { font-size: 9px; }
    .header-inner { height: 60px; }
    /* 移动端搜索栏确保完整可见 */
    .header-search-bar .container { padding: 10px 16px; }
    .header-search-bar input { padding: 10px 14px; font-size: 16px; /* 防 iOS 缩放 */ }
    .header-search-bar.show { max-height: 80px; }
    /* 移动端面包屑 */
    .breadcrumb { font-size: 12px; flex-wrap: wrap; }
    /* 移动端文章内容 */
    .article-content { font-size: 14px; line-height: 1.75; }
    .article-content h2 { font-size: 18px; margin: 18px 0 10px; padding-bottom: 6px; }
    .article-content h3 { font-size: 16px; margin: 14px 0 8px; }
    .article-content p { margin-bottom: 10px; }
    .article-content img { margin: 14px 0; }
    .article-content blockquote { margin: 14px 0; padding: 12px 16px; }
    .article-meta { padding: 8px 0; margin-bottom: 10px; gap: 12px; font-size: 12px; }
    /* 移动端新闻列表 */
    .news-featured-card .nf-overlay { padding: 16px; }
    .news-featured-card .nf-title { font-size: 15px; }
    /* 移动端产品卡片 */
    .product-card-body { padding: 10px 12px; }
    .product-card-name { font-size: 13px; }
    .product-card-desc { font-size: 11px; -webkit-line-clamp: 2; }
    .product-card-footer { padding-top: 8px; }
    .product-card-price { font-size: 13px; }
    .product-card-link { font-size: 11px; }
    /* 移动端优势横幅 */
    .advantages-strip { padding: 20px 0; }
    .adv-strip-grid { gap: 12px; }
    .adv-text h4 { font-size: 14px; }
    .adv-text p { font-size: 11px; }
    /* 移动端新闻tab */
    .news-tab-item { padding: 10px 14px; font-size: 13px; }
}

/* ============================================================
   内页响应式布局修复
   以下 class 用于替换内联样式，使布局可在 media query 中覆盖
   ============================================================ */

/* --- 通用响应式网格 class --- */
.r-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.r-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.r-grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.r-grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.r-grid-sidebar { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 36px; }
.r-grid-sidebar-news { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 28px; padding: 28px; }
.r-grid-form { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 48px; align-items: start; }
.r-grid-detail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; align-items: start; }
.r-grid-step { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 32px; align-items: start; }
.r-grid-search { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 24px; padding: 24px; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border-light); }
.r-flex-center { display: flex; align-items: center; justify-content: center; }
.r-flex-between { display: flex; justify-content: space-between; align-items: center; }
.r-flex-wrap-center { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.r-flex-gap { display: flex; gap: 12px; }
.r-flex-wrap-gap { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- 移动端覆盖 --- */
@media (max-width: 900px) {
    .r-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .r-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
    .r-grid-2 { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .r-grid-3 { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .r-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .r-grid-5 { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .r-grid-sidebar { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    .r-grid-sidebar-news { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
    .r-grid-form { grid-template-columns: 1fr; gap: 32px; }
    .r-grid-detail { grid-template-columns: 1fr; gap: 24px; }
    .r-grid-step { grid-template-columns: 1fr; gap: 16px; }
    .r-grid-search { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
    .r-flex-wrap-center { gap: 20px; }
}
@media (max-width: 480px) {
    .r-grid-4 { grid-template-columns: 1fr; }
    .r-grid-3 { grid-template-columns: 1fr; }
    .r-flex-wrap-center { flex-direction: column; gap: 16px; }
    .r-flex-gap { flex-wrap: wrap; }
}

/* ============================================================
   兜底：覆盖所有剩余的内联 grid-template-columns
   用属性选择器 + !important 确保移动端布局正确
   ============================================================ */
@media (max-width: 768px) {
    [style*="grid-template-columns:repeat(5"] { grid-template-columns: repeat(2, 1fr) !important; }
    [style*="grid-template-columns:repeat(4"] { grid-template-columns: repeat(2, 1fr) !important; }
    [style*="grid-template-columns:repeat(3"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:repeat(2"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:80px 1fr"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:240px 1fr"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:280px 1fr"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:260px 1fr"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:1fr 400px"] { grid-template-columns: 1fr !important; }
    [style*="position:sticky"] { position: static !important; }
}
@media (max-width: 480px) {
    [style*="grid-template-columns:repeat(5"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:repeat(4"] { grid-template-columns: 1fr !important; }
    [style*="grid-template-columns:repeat(2"] { grid-template-columns: 1fr !important; }
}

/* 补充：r-sidebar-sticky 和 news-article-card 样式 */
.r-sidebar-sticky {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
}
.news-article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    margin-bottom: 20px;
    transition: all 0.3s;
}

/* ============================================================
   新闻列表页：横向分类标签 + 三列上图下文卡片（参考同仁堂健康风格）
   ============================================================ */
.news-tabs {
    display: flex;
    align-items: center;
    gap: 36px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-light);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    position: relative;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
}
.news-tabs::-webkit-scrollbar { display: none; }
.news-tab {
    flex-shrink: 0;
    padding: 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition);
    white-space: nowrap;
    scroll-snap-align: start;
    -webkit-user-select: none;
    user-select: none;
}
.news-tab:hover {
    color: var(--primary);
}
.news-tab.active {
    color: var(--primary);
    font-weight: 600;
}
.news-tab.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 24px;
}
.news-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    overflow: hidden;
    transition: all 0.3s;
}
.news-card:hover .news-card-thumb img { transform: scale(1.05); }
.news-card-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    overflow: hidden;
    background: linear-gradient(135deg, #f5f0ea, #efe7dc);
    display: block;
}
.news-card-thumb img,
.news-card-thumb i {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-card-thumb i {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    color: rgba(178, 34, 34, 0.18);
}
.news-card-body {
    padding: 14px 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.news-card-title {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.55;
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.news-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}
.news-card-title a:hover { color: var(--primary); }
.news-card-date {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}
.news-card-date i { margin-right: 5px; }

@media (max-width: 768px) {
    .r-sidebar-sticky { position: static; }
    .news-tabs {
        gap: 22px;
        margin-bottom: 18px;
        padding-bottom: 12px;
        cursor: grab;
    }
    .news-tabs:active,
    .news-tabs.dragging { cursor: grabbing; }
    .news-tabs::after { opacity: 1; }
    .news-tab { font-size: 14px; }
    .news-tab.active::after {
        bottom: -14px;
        width: 5px;
        height: 5px;
    }
    .news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
    .news-card-body { padding: 10px 0 0; gap: 5px; }
    .news-card-title { font-size: 14px; line-height: 1.5; }
    .news-card-date { font-size: 11px; }
}
@media (hover: none) and (pointer: coarse) {
    .news-article-card:hover { box-shadow: var(--shadow-sm) !important; transform: none !important; }
    .news-card:hover .news-card-thumb img { transform: none; }
}

/* ============================================================
   移动端兼容性修复：图片溢出、卡片高度、banner 安全区域
   ============================================================ */
@media (max-width: 768px) {
    /* 团队风采大图严格限制在容器内，防止左右溢出 */
    .team-intro,
    .team-intro-img,
    .team-intro-img img {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .team-intro-img {
        width: 100% !important;
        min-height: auto !important;
        aspect-ratio: 16 / 9 !important;
    }
    .team-intro-img img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        display: block !important;
    }

    /* 产品列表网格 */
    .products-list-grid {
        width: 100%;
    }

    /* 页面横幅文字安全区再保险 */
    .page-banner h1,
    .page-banner p {
        word-break: break-word;
    }
}