/* 基石酷联微电子 - 官网样式 (IDA风格参考) */
:root {
    --primary: #1a315e;
    --primary-light: #2c5282;
    --accent: #fec20a;
    --text: #2d3748;
    --text-light: #718096;
    --bg: #f7fafc;
    --bg-tint: #f0f5fa;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-md: 0 6px 10px -2px rgba(0,0,0,0.1), 0 3px 5px -2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    /* 除首页外 Banner 统一尺寸 */
    --hero-banner-min-height: 200px;
    --hero-banner-padding: 28px 24px 32px;
    --hero-banner-padding-mobile: 24px 16px 28px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}
body.page-index {
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background 0.3s, box-shadow 0.3s;
}

.header.scrolled {
    background: rgba(26, 49, 94, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}

.header.header-solid {
    background: #1a315e;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 64px;
    position: relative;
}

/* 导航栏两端对齐：Logo 靠左、菜单靠右，中间留出呼吸感 */
.header .nav.container {
    max-width: 1440px;
    padding-left: 28px;
    padding-right: 28px;
}

.nav .logo {
    flex-shrink: 0;
    margin-right: 0;
}

.nav-links {
    margin-left: auto;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    .header .nav.container {
        padding-left: 24px;
        padding-right: 24px;
    }
}

@media (max-width: 768px) {
    .header .nav.container {
        padding-left: 20px;
        padding-right: 20px;
    }
}

@media (max-width: 480px) {
    .header .nav.container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo .logo-text {
    margin-left: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
}
@media (max-width: 1024px) {
    .logo .logo-text {
        font-size: 0.9rem;
    }
}
@media (max-width: 768px) {
    .logo .logo-text {
        display: none;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
    padding-right: 0;
}

.nav-links > li {
    position: relative;
}

.nav-links > li > a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    padding: 20px 0;
    display: inline-block;
}

.nav-links > li > a:hover,
.nav-links > li > a.active {
    color: var(--accent);
}

.nav-links > li > a.active {
    font-weight: 600;
    box-shadow: inset 0 -2px 0 var(--accent);
}

.nav-links > li.is-nav-current.has-dropdown > a.active {
    color: var(--accent);
}

.nav-dropdown li a.active {
    background: rgba(254, 194, 10, 0.18);
    color: var(--accent);
    font-weight: 600;
}

.nav-links .has-dropdown:hover > .nav-dropdown a.active,
.nav-links > li.is-nav-current .nav-dropdown a.active {
    background: rgba(254, 194, 10, 0.26);
    box-shadow: inset 3px 0 0 var(--accent);
}

/* 下拉箭头 */
.nav-links .has-dropdown > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 6px;
    vertical-align: middle;
    transition: transform 0.2s;
}

.nav-links .has-dropdown:hover > a::after {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: #1a315e;
    border-radius: 0 0 8px 8px;
    padding: 8px 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* 仅显示直接子级下拉，避免嵌套子菜单一并展开 */
.nav-links .has-dropdown:hover > .nav-dropdown {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown li a {
    display: block;
    padding: 10px 20px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: background 0.2s, color 0.2s;
}

.nav-dropdown li a:hover {
    background: rgba(254, 194, 10, 0.15);
    color: var(--accent);
}

/* 嵌套子菜单 */
.nav-dropdown .has-dropdown {
    position: relative;
}
.nav-dropdown .has-dropdown > a::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: rgba(255,255,255,0.6);
}
/* 子菜单默认隐藏，仅在鼠标停留在父项（如 Switch/Splitter）时显示 */
.nav-dropdown .nav-dropdown-sub {
    left: 100%;
    top: 0;
    transform: none;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
}
.nav-dropdown .has-dropdown:hover > .nav-dropdown-sub {
    opacity: 1;
    visibility: visible;
}

/* 语言切换 - 无边框 CN/EN，紧贴导航最右侧 */
.lang-switcher {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: #fff;
    flex-shrink: 0;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid rgba(255,255,255,0.2);
}

.lang-switcher .lang-sep {
    margin: 0 4px;
    color: rgba(255,255,255,0.6);
    user-select: none;
}

.lang-btn {
    padding: 4px 2px;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
}

.lang-btn:hover {
    color: white;
}

.lang-btn.active {
    color: white;
    font-weight: 600;
}

@media (max-width: 768px) {
    .lang-switcher {
        margin-left: auto;
        padding-left: 16px;
        font-size: 0.85rem;
    }
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* 页面主体 - 非首页需顶部留白 */
.page-main {
    margin-top: 64px;
    padding-top: 48px;
    padding-bottom: 48px;
    min-height: calc(100vh - 200px);
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}
/* Banner 页：导航与 Banner 紧贴无留白，去除顶部 padding */
.page-main:has(> .site-hero-banner) { padding-top: 0; }

/* 全屏轮播 Hero - 高度为视口 2/3 */
.hero-section {
    position: relative;
    margin-top: 0;
}

.carousel {
    position: relative;
    width: 100%;
    height: 66.67vh;
    min-height: 400px;
    overflow: hidden;
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.carousel-inner.no-transition {
    transition: none;
}

.carousel-item {
    min-width: 100%;
    height: 100%;
    position: relative;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 首张：仅实图，无底色素底与蒙层 */
.carousel-item.carousel-item--hero-brand {
    background: none;
}

/* 第二张：实图 <img> + 与第三张相同的 cover 布局（避免低分 background 放大发糊） */
.carousel-item.carousel-item--chip-photo {
    background: none;
}

.carousel-item.carousel-item--chip-photo .carousel-caption {
    z-index: 3;
}

.carousel-item.carousel-item--chip-photo .carousel-cover-img {
    object-position: center center;
}

.carousel-item.carousel-item--chip-photo .carousel-overlay {
    z-index: 2;
}

.carousel-hero-brand-img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    pointer-events: none;
    -webkit-user-drag: none;
    user-select: none;
}

/* 第三张 Banner：实图 <img> + cover；有文案处叠 carousel-overlay */
.carousel-item.carousel-item--cover-photo {
    background: none;
}

.carousel-cover-fill {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
}

.carousel-cover-img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center right;
    display: block;
    pointer-events: none;
    -webkit-user-drag: none;
    user-select: none;
    /* 减轻父级 translate3d 轮播在某些 GPU 上的插值发糊 */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translate3d(0, 0, 0);
}

/* 第三张车载 Banner：5.7K 图源 + 支持时的高质量下采样 */
@supports (image-rendering: high-quality) {
    .carousel-cover-img.carousel-cover-img--hero-5k {
        image-rendering: high-quality;
    }
}

.carousel-item--cover-photo .carousel-overlay {
    z-index: 2;
    /* 略浅于全局遮罩：文案仍可读，右侧座舱主体更少压灰 */
    background: linear-gradient(
        to right,
        rgba(10, 22, 40, 0.7) 0%,
        rgba(10, 22, 40, 0.36) 40%,
        transparent 78%
    );
}

.carousel-item--cover-photo .carousel-caption {
    z-index: 3;
}

@media (max-width: 768px) {
    .carousel-hero-brand-img,
    .carousel-cover-img {
        object-position: center right;
    }

    .carousel-item.carousel-item--chip-photo .carousel-cover-img {
        object-position: center center;
    }
}

.carousel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,22,40,0.85) 0%, rgba(10,22,40,0.5) 45%, transparent 85%);
}

.carousel-caption {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    color: white;
    padding: 0 24px;
}

.hero-content {
    max-width: 640px;
}

.tech-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(59,130,246,0.2);
    border: 1px solid rgba(59,130,246,0.4);
    border-radius: 20px;
    color: #93c5fd;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.carousel-caption h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 10px;
    color: white;
}

.hero-subtitle {
    font-size: 1rem;
    color: rgba(147,197,253,0.8);
    margin-bottom: 10px;
    font-weight: 400;
}

.hero-desc {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,99,235,0.5);
}

.btn-hero-outline {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid rgba(255,255,255,0.35);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: background 0.2s, border-color 0.2s;
}

.btn-hero-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}

/* Hero 底部数字统计 - 12号版本深色半透明 */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 0;
    background: rgba(10,22,40,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 10;
}

.hero-stat {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: 24px 20px;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.hero-stat:last-child {
    border-right: none;
}

.hero-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.hero-stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

/* 轮播控件 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.08);
    color: white;
    font-size: 1.75rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    border-radius: 50%;
    z-index: 10;
}

.carousel-btn:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.5);
}

.carousel-btn.prev { left: 24px; }
.carousel-btn.next { right: 24px; }

.carousel-indicators {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-indicators span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-indicators span.active {
    background: #3b82f6;
    width: 28px;
    border-radius: 5px;
    box-shadow: 0 0 8px rgba(59,130,246,0.5);
}

@media (min-width: 1024px) {
    .carousel-caption h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .carousel {
        height: 66.67vh;
        min-height: 360px;
    }
    .carousel-caption h1 {
        font-size: 1.5rem;
    }
    .hero-subtitle {
        font-size: 0.9rem;
    }
    .hero-desc {
        font-size: 0.85rem;
    }
    .carousel-indicators {
        bottom: 24px;
    }
    .carousel-btn {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
        font-size: 1.5rem;
    }
    .carousel-btn.prev { left: 12px; }
    .carousel-btn.next { right: 12px; }
}

/* 新产品简介区块 - 首页白底 */
.new-products-section {
    padding: 100px 0;
    background: var(--white);
}

.section-header-left {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 48px;
}

.section-bar {
    display: block;
    width: 4px;
    height: 56px;
    flex-shrink: 0;
    background: linear-gradient(to bottom, #3b82f6, #06b6d4);
    border-radius: 2px;
    margin-top: 4px;
}

.section-header-left .tech-badge {
    margin-bottom: 8px;
}

.section-title-left {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.glow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.glow-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0 24px 24px;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    overflow: hidden;
    position: relative;
}

.glow-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59,130,246,0.4);
    box-shadow: 0 8px 32px rgba(59,130,246,0.15);
}

.glow-card-bar {
    height: 4px;
    margin: 0 -24px 20px;
    border-radius: 0;
}

.glow-bar-blue   { background: linear-gradient(to right, #3b82f6, #60a5fa); }
.glow-bar-cyan   { background: linear-gradient(to right, #06b6d4, #22d3ee); }
.glow-bar-purple { background: linear-gradient(to right, #8b5cf6, #a78bfa); }
.glow-bar-green  { background: linear-gradient(to right, #10b981, #34d399); }
.glow-bar-orange { background: linear-gradient(to right, #f59e0b, #fbbf24); }
.glow-bar-red    { background: linear-gradient(to right, #ef4444, #f87171); }

.glow-card-model {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.glow-card-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 12px;
    line-height: 1.4;
}

.glow-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.tech-badge-sm {
    padding: 3px 10px;
    font-size: 0.7rem;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.25);
    color: var(--primary);
}

.glow-card[data-color="cyan"] .tech-badge-sm   { background: rgba(6,182,212,0.1); border-color: rgba(6,182,212,0.3); color: #0891b2; }
.glow-card[data-color="purple"] .tech-badge-sm { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.3); color: #7c3aed; }
.glow-card[data-color="green"] .tech-badge-sm  { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: #059669; }
.glow-card[data-color="orange"] .tech-badge-sm { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: #d97706; }
.glow-card[data-color="red"] .tech-badge-sm    { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: #dc2626; }

.glow-card-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.glow-card-desc .desc-dp-typec {
    color: #c62828;
    font-weight: 600;
}

.glow-card-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    transition: color 0.2s;
}

.glow-card:hover .glow-card-link {
    color: #2563eb;
}

@media (max-width: 968px) {
    .glow-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .glow-grid {
        grid-template-columns: 1fr;
    }
    .new-products-section {
        padding: 64px 0;
    }
    .section-title-left {
        font-size: 1.5rem;
    }
}

/* 应用场景 - 首页白底 */
.app-showcase-section {
    padding: 100px 0;
    background: var(--bg);
}

.app-showcase-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 24px;
    align-items: stretch;
}

.app-scene-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.app-scene-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    position: relative;
    transition: border-color 0.3s, transform 0.3s;
}

.app-scene-card:hover {
    border-color: rgba(59,130,246,0.4);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(59,130,246,0.12);
}

.app-scene-img {
    overflow: hidden;
    flex-shrink: 0;
}

.app-scene-large .app-scene-img {
    height: 240px;
}

.app-scene-small .app-scene-img {
    height: 160px;
}

.app-scene-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.app-scene-card:hover .app-scene-img img {
    transform: scale(1.05);
}

.app-scene-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-scene-icon {
    width: 36px;
    height: 36px;
    color: #60a5fa;
    margin-bottom: 12px;
}

.app-scene-icon svg {
    width: 100%;
    height: 100%;
}

.app-scene-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 4px;
}

.app-scene-en {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 12px;
    display: block;
}

.app-scene-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.app-scene-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.app-scene-models {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.app-scene-models-label {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-right: 4px;
}

.app-model-tag {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 3px 10px;
    background: rgba(59,130,246,0.08);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 4px;
    color: var(--primary);
}

.app-scene-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-top: auto;
    transition: color 0.2s;
}

.app-scene-card:hover .app-scene-link {
    color: #2563eb;
}

/* 底部彩色渐变线 */
.app-scene-glow {
    height: 3px;
    opacity: 0;
    transition: opacity 0.3s;
}

.app-scene-card:hover .app-scene-glow {
    opacity: 1;
}

.app-glow-blue   { background: linear-gradient(to right, #3b82f6, #60a5fa); }
.app-glow-cyan   { background: linear-gradient(to right, #06b6d4, #22d3ee); }
.app-glow-purple { background: linear-gradient(to right, #8b5cf6, #a78bfa); }
.app-glow-green  { background: linear-gradient(to right, #10b981, #34d399); }
.app-glow-orange { background: linear-gradient(to right, #f59e0b, #fbbf24); }

/* 5列等分布局 */
.app-showcase-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}
.app-scene-card-equal .app-scene-img {
    height: 140px;
}

@media (max-width: 1200px) {
    .app-showcase-grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .app-showcase-grid-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .app-showcase-grid-5 { grid-template-columns: 1fr; }
}

@media (max-width: 968px) {
    .app-showcase-grid {
        grid-template-columns: 1fr;
    }
    .app-scene-large .app-scene-img {
        height: 200px;
    }
}

@media (max-width: 600px) {
    .app-showcase-section {
        padding: 64px 0;
    }
    .app-scene-large .app-scene-img,
    .app-scene-small .app-scene-img {
        height: 160px;
    }
}

/* 应用场景 · 白底 Bento（首页） */
.app-showcase-section.app-showcase-bento-section {
    background: var(--bg);
    padding: 100px 0;
    color: var(--text);
}

.app-showcase-bento-header {
    margin-bottom: 36px;
    max-width: 52rem;
}

.app-showcase-bento-title {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}

.app-showcase-bento-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.65;
    color: var(--text-light);
    margin: 0;
}

.app-showcase-bento {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 20px;
    align-items: stretch;
    min-height: 0;
}

.app-bento-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-height: 620px;
}

.app-bento-card {
    position: relative;
    display: block;
    border-radius: 22px;
    overflow: hidden;
    text-decoration: none;
    color: #fff;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.app-bento-card:hover {
    transform: translateY(-4px);
    border-color: rgba(44, 82, 130, 0.35);
    box-shadow: var(--shadow-lg);
}

.app-bento-card-feature {
    min-height: 620px;
    height: 100%;
}

.app-bento-card-compact {
    flex: 1;
    min-height: 0;
    min-height: 178px;
}

.app-bento-card-wide {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    margin-top: 20px;
    min-height: 160px;
    align-items: stretch;
}

.app-bento-card-wide .app-bento-media {
    position: relative;
    inset: auto;
    min-height: 180px;
    height: 100%;
}

.app-bento-card-wide .app-bento-content--wide {
    position: relative;
    width: auto;
    max-width: none;
    inset: auto;
    padding: 24px 28px;
    justify-content: center;
    /* 宽卡为左图右文分栏，右侧为白底，不用叠图用的白色字 */
    background: var(--white);
    border-left: 1px solid var(--border);
}
.app-bento-card-wide .app-bento-kicker {
    color: #0d9488;
}
.app-bento-card-wide .app-bento-heading {
    color: var(--primary);
}
.app-bento-card-wide .app-bento-text {
    color: var(--text-light);
}
.app-bento-content--feature .app-bento-more {
    display: inline-block;
    margin-top: 16px;
}

.app-bento-card-wide .app-bento-more {
    color: #0d9488;
    margin-top: 8px;
}
.app-bento-card-wide .app-bento-more:hover {
    color: #0f766e;
}

.app-bento-card-wide .app-bento-scrim--left {
    background: linear-gradient(
        to right,
        rgba(0, 0, 0, 0.55) 0%,
        transparent 70%
    );
}

.app-bento-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.app-bento-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
    transform: scale(1);
    will-change: transform;
}

.app-bento-card:hover .app-bento-media img,
.app-bento-card:focus-visible .app-bento-media img {
    transform: scale(1.1);
}

.app-bento-card:active .app-bento-media img {
    transform: scale(1.06);
}

.app-bento-scrim {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.app-bento-scrim--bottom {
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.88) 0%,
        rgba(0, 0, 0, 0.4) 45%,
        transparent 78%
    );
}

.app-bento-scrim--left {
    background: linear-gradient(
        to right,
        rgba(0, 0, 0, 0.88) 0%,
        rgba(0, 0, 0, 0.35) 52%,
        transparent 88%
    );
}

.app-bento-content {
    position: relative;
    z-index: 2;
}

.app-bento-content--feature {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 28px 28px 32px;
}

.app-bento-content--compact {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 72%;
    max-width: 22rem;
    padding: 22px 22px 26px 26px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 6px;
    box-sizing: border-box;
}

/* 叠图紧凑卡：显控等长文案会顶掉底部「了解更多」，限制正文行数并锁定链接占位 */
.app-bento-content--compact:not(.app-bento-content--wide) .app-bento-text {
    flex: 1 1 auto;
    min-height: 0;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
}

.app-bento-content--compact:not(.app-bento-content--wide) .app-bento-more {
    flex-shrink: 0;
}

.app-bento-kicker {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #5eead4;
    margin: 0 0 6px;
    line-height: 1.45;
}

.app-bento-heading {
    font-size: clamp(1.15rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
    line-height: 1.3;
}

.app-bento-content--feature .app-bento-heading {
    font-size: clamp(1.35rem, 3vw, 1.85rem);
}

/* ProAV 卡片使用导航完整标题，略缩小字号以适配窄卡 */
.app-bento-heading--proav {
    font-size: clamp(0.78rem, 1.35vw, 0.98rem);
    line-height: 1.38;
    font-weight: 700;
}

.app-bento-text {
    font-size: 0.88rem;
    line-height: 1.68;
    color: rgba(255, 255, 255, 0.72);
    margin: 0 0 10px;
}

.app-bento-content--feature .app-bento-text {
    max-width: 36rem;
}

.app-bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.app-bento-tags span {
    font-size: 0.78rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.app-bento-more {
    font-size: 0.82rem;
    font-weight: 600;
    color: #99f6e4;
    margin-top: auto;
    padding-top: 8px;
    padding-bottom: 2px;
    line-height: 1.45;
    transition: color 0.2s;
}

.app-bento-card:hover .app-bento-more {
    color: #ccfbf1;
}

@media (max-width: 968px) {
    .app-showcase-bento {
        grid-template-columns: 1fr;
    }

    .app-bento-stack {
        min-height: 0;
    }

    .app-bento-card-feature {
        min-height: 380px;
    }

    .app-bento-card-compact {
        min-height: 228px;
    }

    .app-bento-content--compact {
        width: 68%;
        max-width: none;
    }

    .app-bento-card-wide {
        grid-template-columns: 1fr;
    }

    .app-bento-card-wide .app-bento-media {
        min-height: 140px;
        position: relative;
        height: 160px;
    }

    .app-bento-card-wide .app-bento-content--wide {
        position: relative;
        padding: 20px 22px 24px;
        width: 100%;
        max-width: none;
        border-left: none;
        border-top: 1px solid var(--border);
    }
}

@media (max-width: 600px) {
    .app-showcase-section.app-showcase-bento-section {
        padding: 64px 0;
    }

    .app-bento-content--compact {
        width: 100%;
        padding: 18px;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.82), transparent);
        justify-content: flex-end;
    }

    .app-bento-card-compact {
        min-height: 240px;
    }

    .app-bento-content--compact:not(.app-bento-content--wide) .app-bento-text {
        -webkit-line-clamp: 5;
    }
}

/* 核心数据 + 核心优势 - 首页白底 */
.stats-section {
    padding: 100px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.stats-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(26,54,93,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26,54,93,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.stats-counters {
    --stat-grid-gap: 28px;
    --stat-value-label-gap: 14px;
    --stat-value-lh: 1;
    --stat-label-size: 0.875rem;
    --stat-label-lh: 1.5;
    --stat-label-lines: 2;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--stat-grid-gap);
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-counter {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 16px 12px;
    gap: var(--stat-value-label-gap);
}

.stat-value {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.1em;
    min-height: calc(clamp(2.125rem, 3.2vw, 2.75rem) * var(--stat-value-lh));
    margin: 0;
    font-family: 'Montserrat', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
    line-height: var(--stat-value-lh);
}

.stat-value-text,
.stat-number {
    font-size: clamp(2.125rem, 3.2vw, 2.75rem);
    font-weight: 700;
    color: var(--primary);
    line-height: var(--stat-value-lh);
}

.stat-value-text {
    white-space: nowrap;
}

.stat-suffix {
    font-size: 0.58em;
    font-weight: 600;
    color: var(--primary-light);
    line-height: var(--stat-value-lh);
    letter-spacing: 0.02em;
}

.stat-label {
    display: block;
    width: 100%;
    max-width: 12.5rem;
    margin: 0;
    min-height: calc(var(--stat-label-size) * var(--stat-label-lh) * var(--stat-label-lines));
    font-size: var(--stat-label-size);
    font-weight: 500;
    line-height: var(--stat-label-lh);
    color: var(--text-light);
    text-align: center;
}

.stat-note {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border), transparent);
    margin: 56px 0;
    position: relative;
    z-index: 1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.advantage-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 24px;
    transition: border-color 0.3s, transform 0.3s;
}

.advantage-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59,130,246,0.3);
    box-shadow: 0 8px 24px rgba(59,130,246,0.1);
}

.advantage-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.advantage-icon svg {
    width: 22px;
    height: 22px;
}

.advantage-icon-yellow { background: rgba(234,179,8,0.12); color: #facc15; }
.advantage-icon-green  { background: rgba(16,185,129,0.12); color: #34d399; }
.advantage-icon-blue   { background: rgba(59,130,246,0.12); color: #60a5fa; }
.advantage-icon-purple { background: rgba(139,92,246,0.12); color: #a78bfa; }

.advantage-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 10px;
}

.advantage-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 968px) {
    .stats-counters { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .stats-section { padding: 64px 0; }
    .stats-counters {
        --stat-grid-gap: 20px;
        --stat-value-label-gap: 12px;
        --stat-label-size: 0.8125rem;
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-value-text,
    .stat-number { font-size: 2.125rem; }
    .stat-label { max-width: 10.5rem; }
    .advantages-grid { grid-template-columns: 1fr; }
}

/* 产品列表 */
.products-list-section {
    padding: 100px 0;
    background: #060E1C;
}

.product-tabs-wrap {
    margin-bottom: 32px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.product-tabs-wrap::-webkit-scrollbar {
    display: none;
}

.product-tabs {
    display: flex;
    gap: 8px;
    min-width: max-content;
}

.product-tab {
    padding: 10px 20px;
    border: 1px solid rgba(255,255,255,0.1);
    background: transparent;
    color: rgba(255,255,255,0.6);
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    font-family: inherit;
}

.product-tab:hover {
    color: white;
    border-color: rgba(255,255,255,0.2);
}

.product-tab.active {
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    border-color: transparent;
    color: white;
    font-weight: 600;
}

.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    min-height: 120px;
}

.prod-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: white;
    transition: border-color 0.3s, transform 0.2s;
}

.prod-card:hover {
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-2px);
}

.prod-card-left {
    flex: 1;
    min-width: 0;
}

.prod-card-model {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    font-weight: 600;
    color: #60a5fa;
    display: flex;
    align-items: center;
    gap: 8px;
}

.prod-badge-new {
    font-family: inherit;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(16,185,129,0.15);
    color: #34d399;
}

.prod-badge-hot {
    font-family: inherit;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(239,68,68,0.15);
    color: #f87171;
}

.prod-card-name {
    font-size: 0.92rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    margin-top: 4px;
}

.prod-card-spec {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
    margin-top: 3px;
}

.prod-card-arrow {
    width: 20px;
    height: 20px;
    color: rgba(255,255,255,0.25);
    flex-shrink: 0;
    margin-left: 12px;
    transition: color 0.2s;
}

.prod-card:hover .prod-card-arrow {
    color: #60a5fa;
}

.product-list-footer {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    padding: 16px 24px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
}

.plf-cat {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
}

.plf-count {
    font-size: 0.82rem;
    color: var(--text-light);
}

.plf-download {
    margin-left: auto;
    padding: 8px 20px;
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 6px;
    color: #60a5fa;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}

.plf-download:hover {
    background: rgba(59,130,246,0.1);
    border-color: #3b82f6;
}

@media (max-width: 768px) {
    .product-list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
    .product-list-grid { grid-template-columns: 1fr; }
    .products-list-section { padding: 64px 0; }
    .product-list-footer { flex-wrap: wrap; }
    .plf-download { margin-left: 0; width: 100%; text-align: center; }
}

/* IDA风格卡片区块 */
.cards-section {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    margin-bottom: 48px;
}
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 32px;
    }
    .section-desc {
        margin: -16px auto 28px;
    }
}

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

.card-link {
    text-decoration: none;
    color: inherit;
}

.feature-card {
    padding: 32px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.card-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 公司简介 */
.about-section {
    padding: 80px 0;
    background: var(--bg);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-text ul {
    list-style: none;
    padding-left: 0;
}

.about-text li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
}

.about-text li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* 产品中心 */
.products-section {
    padding: 80px 0;
    background: var(--white);
}

.section-desc {
    text-align: center;
    max-width: 700px;
    margin: -24px auto 40px;
    color: var(--text-light);
}

/* 三大应用模块标签 */
.product-modules {
    margin-bottom: 32px;
}

.product-modules h3,
.product-docs h3 {
    font-size: 1.125rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.module-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.module-tab {
    padding: 10px 20px;
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.module-tab:hover,
.module-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* 全变量索引表 */
.product-index {
    margin-bottom: 48px;
}

.index-toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.index-search {
    flex: 1;
    max-width: 320px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
}

.index-search:focus {
    outline: none;
    border-color: var(--primary);
}

#typeFilter {
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    min-width: 180px;
}

.index-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.product-index-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.product-index-table th,
.product-index-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.product-index-table th {
    background: var(--primary);
    color: white;
    font-weight: 500;
}

.product-index-table tr:hover td {
    background: rgba(26, 54, 93, 0.04);
}

.product-index-table .col-model {
    font-weight: 600;
    color: var(--primary);
}

.product-index-table .col-desc {
    max-width: 240px;
    color: var(--text-light);
    font-size: 0.85rem;
}

.product-index-table .col-series {
    color: var(--text-light);
    font-size: 0.85rem;
}

.status-new {
    color: #059669;
    font-weight: 500;
}

.status-nrfnd {
    color: var(--text-light);
}

/* 技术文档说明表布局 */
.upload-guide {
    margin-top: 16px;
}

.upload-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.upload-table th,
.upload-table td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.upload-table th {
    background: var(--bg);
    font-weight: 500;
}

.upload-example {
    font-size: 0.9rem;
    color: var(--text-light);
}

.upload-example code {
    background: var(--bg);
    padding: 2px 8px;
    border-radius: 4px;
}

.product-categories {
    margin-bottom: 48px;
}

.product-categories h3,
.product-docs h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.product-categories ul {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
}

.product-categories li {
    padding: 8px 16px;
    background: var(--bg);
    border-radius: 6px;
    font-size: 0.95rem;
}

.product-docs {
    background: var(--bg);
    padding: 32px;
    border-radius: 8px;
}

.upload-notice {
    background: #fef3c7;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.upload-notice code {
    background: rgba(0,0,0,0.08);
    padding: 2px 6px;
    border-radius: 4px;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.product-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: white;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.product-name {
    font-weight: 600;
    color: var(--primary);
    min-width: 80px;
}

.btn-download {
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: background 0.2s;
}

.btn-download:hover {
    background: var(--primary-light);
}

/* 应用领域 */
/* 核心产品 */
.core-products-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}

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

.core-product-card {
    padding: 32px 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s;
    position: relative;
}

.core-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.core-product-card-highlight {
    border-color: #22c55e;
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

.core-product-card-highlight:hover {
    border-color: #22c55e;
}

.core-product-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
}

.core-product-icon svg {
    width: 100%;
    height: 100%;
}

.core-product-icon-blue {
    color: var(--primary-light);
}

.core-product-icon-green {
    color: #22c55e;
}

.core-product-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.core-product-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

.core-product-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.2s;
}

.core-product-link:hover {
    color: var(--accent);
}

@media (max-width: 968px) {
    .core-product-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 568px) {
    .core-product-cards {
        grid-template-columns: 1fr;
    }
}

.applications-section {
    padding: 64px 0 96px;
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}

.applications-section .app-search-box {
    margin-bottom: 40px;
}

.apps-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.app-card {
    padding: 24px 40px;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.app-card:hover {
    border-color: var(--accent);
    color: var(--primary);
}

/* 首页 - 应用领域三大类（图片+文字按钮） */
.app-category-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.app-category-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.app-category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.app-category-img {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.app-category-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-category-placeholder {
    position: absolute;
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    font-weight: 600;
}

.app-category-text {
    display: block;
    padding: 16px 20px 8px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

.app-category-desc {
    padding: 0 20px 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .app-category-cards {
        grid-template-columns: 1fr;
    }
}

/* 应用领域 - 产品筛选与卡片 */
/* 应用解决方案 - 图内布局（左图右文） */
.app-solution-cards {
    margin-bottom: 56px;
}

.app-solution-card {
    display: block;
    margin-bottom: 48px;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: box-shadow 0.3s;
}

.app-solution-card:hover {
    box-shadow: 0 12px 24px -4px rgba(26,54,93,0.1);
}

.solution-content {
    padding: 32px 28px;
    max-width: 900px;
}

.solution-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.solution-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.solution-section {
    margin-bottom: 20px;
}

.solution-section h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 10px;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.scenario-tag {
    padding: 6px 12px;
    background: #f0fdf4;
    color: #059669;
    border: 1px solid #86efac;
    border-radius: 6px;
    font-size: 0.875rem;
}

.advantage-list {
    list-style: none;
    padding: 0;
}

.advantage-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
}

.advantage-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
}

.product-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-link {
    padding: 6px 14px;
    background: var(--bg);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
}

.product-link:hover {
    background: var(--primary);
    color: white;
}

.btn-learn-more {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 24px;
    background: #059669;
    color: white;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-learn-more:hover {
    background: #047857;
}

@media (max-width: 768px) {
    .solution-content {
        padding: 24px 20px;
        max-width: none;
    }
}

/* 产品检索框 */
.app-search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    max-width: 560px;
}
@media (max-width: 768px) {
    .app-search-box {
        max-width: 100%;
        flex-direction: column;
    }
    .app-search-btn {
        min-height: 44px;
    }
}

.app-search-top,
.showcase-search,
.tech-search {
    margin-bottom: 32px;
}

.app-search-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

.app-search-input:focus {
    outline: none;
    border-color: var(--primary);
}

.app-search-btn {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    white-space: nowrap;
}

.app-search-btn:hover {
    background: var(--primary-light);
}

/* 子页面统一背景 - 匹配首页风格 */
body.page-contact,
body.page-join,
body.page-tech,
body.page-showcase,
body.page-applications,
body.page-application-detail {
    background: var(--bg);
}

body.page-products {
    background: var(--bg);
}

.page-banner-products .page-banner-placeholder {
    display: flex !important;
}

/* ========== 站点 Hero Banner（除首页外统一尺寸与样式）========== */
.site-hero-banner {
    width: 100vw;
    min-height: var(--hero-banner-min-height);
    position: relative;
    background: linear-gradient(135deg, #0b1d3a 0%, #0e2a56 45%, #0b2248 100%);
    overflow: hidden;
}

.site-hero-top-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1a6fff, #00c2ff, transparent);
}

.site-hero-glow {
    position: absolute;
    top: 0;
    right: 0;
    width: 520px;
    height: 100%;
    clip-path: polygon(18% 0%, 100% 0%, 100% 100%, 0% 100%);
    background: linear-gradient(140deg, transparent 25%, rgba(26,111,255,0.06) 60%, rgba(0,194,255,0.04) 100%);
}

.site-hero-circles {
    position: absolute;
    top: 50%;
    right: 8%;
    transform: translateY(-50%);
}

.site-hero-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(26,111,255,0.12);
    background: transparent;
}

.site-hero-circle-1 { width: 320px; height: 320px; }
.site-hero-circle-2 { width: 220px; height: 220px; }
.site-hero-circle-3 { width: 120px; height: 120px; }

.site-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--hero-banner-padding);
}

.site-hero-breadcrumb {
    font-size: 12px;
    color: rgba(255,255,255,0.38);
    margin-bottom: 16px;
}

.site-hero-breadcrumb a {
    color: rgba(255,255,255,0.38);
    text-decoration: none;
}

.site-hero-breadcrumb a:hover {
    color: rgba(255,255,255,0.65);
}

.site-hero-breadcrumb .current {
    color: rgba(255,255,255,0.72);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.site-hero-breadcrumb-sep {
    margin: 0 4px;
}

.site-hero-title {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.site-hero-title .site-hero-title-zh {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
}

.site-hero-title .site-hero-title-en {
    font-size: 20px;
    font-weight: 600;
    color: #00c2ff;
}

/* 中文界面只显示中文标题，英文界面只显示英文标题 */
html[lang="en"] .site-hero-title .site-hero-title-zh { display: none; }
html[lang="zh-CN"] .site-hero-title .site-hero-title-en { display: none; }

.site-hero-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.42);
    margin-top: 0;
    margin-bottom: 20px;
}

/* 可选：站点 Hero 标签云（如 showcase-detail 5800/5600）*/
.site-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.site-hero-tag {
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(26,111,255,0.25);
    border: 1px solid rgba(26,111,255,0.4);
    color: #7eb8ff;
}

.site-hero-tag.green { background: rgba(13,158,106,0.2); border-color: rgba(13,158,106,0.4); color: #6ee7b7; }
.site-hero-tag.purple { background: rgba(107,63,204,0.2); border-color: rgba(107,63,204,0.4); color: #c4b5fd; }
.site-hero-tag.orange { background: rgba(217,119,6,0.2); border-color: rgba(217,119,6,0.4); color: #fcd34d; }
.site-hero-tag.gray { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.8); }
.site-hero-tag.gold { background: rgba(254,194,10,0.15); border-color: rgba(254,194,10,0.4); color: #fec20a; }

.site-hero-wave {
    height: 0;
    overflow: hidden;
}

@media (max-width: 768px) {
    .site-hero-content { padding: var(--hero-banner-padding-mobile); }
    .site-hero-breadcrumb .current { font-size: 14px; }
    .site-hero-title .site-hero-title-zh { font-size: 28px; }
    .site-hero-title .site-hero-title-en { font-size: 16px; }
    .site-hero-desc { margin-bottom: 16px; }
    .site-hero-tags { gap: 6px; }
    .site-hero-tag { font-size: 11px; padding: 3px 10px; }
}

/* 兼容：保留旧 page-banner 样式（用于未迁移的页面） */
.page-banner {
    height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a365d 0%, #243d5f 35%, #2c5282 100%);
    position: relative;
}
.page-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(26,54,93,0.25) 100%);
    pointer-events: none;
}
.page-banner-placeholder span { text-shadow: 0 2px 12px rgba(0,0,0,0.2); }
.page-banner-placeholder p { text-shadow: 0 1px 4px rgba(0,0,0,0.15); }
@media (max-width: 768px) {
    .page-banner { height: 180px; }
    .page-banner-placeholder span { font-size: 1.4rem; }
}
.page-banner img { width: 100%; height: 100%; object-fit: cover; }
.page-banner-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    z-index: 1;
}
.page-banner-placeholder span { font-size: 1.75rem; font-weight: 600; }
.page-banner-placeholder p { margin-top: 8px; opacity: 0.9; }

.app-filter-btns {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.app-filter-btn {
    padding: 12px 24px;
    border: 2px solid var(--border);
    background: var(--bg);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.app-filter-btn:hover,
.app-filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* 层级分类结构 */
.app-hierarchy {
    margin-bottom: 48px;
}

.app-module {
    margin-bottom: 32px;
}

.app-module-title {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--primary);
    padding: 12px 0;
    margin-bottom: 16px;
    border-bottom: 3px solid var(--accent);
}

.app-module-empty {
    color: var(--text-light);
    font-style: italic;
    padding: 24px;
}

.app-type-group {
    margin-bottom: 24px;
}

.app-type-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
    padding: 8px 0;
    margin-bottom: 12px;
    padding-left: 16px;
    border-left: 4px solid var(--primary-light);
}

.app-type-models {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

/* 产品列表表格样式（产品中心页） */
.product-list-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
@media (max-width: 768px) {
    .app-module {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .product-list-table {
        min-width: 560px;
    }
    .product-list-table th,
    .product-list-table td {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}

.product-list-table th,
.product-list-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.product-list-table th {
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
}

.product-list-table tr.product-list-row:hover {
    background: rgba(var(--primary-rgb), 0.04);
}

.product-list-table .col-model {
    font-weight: 500;
    color: var(--primary);
}

.product-list-table .col-desc {
    color: var(--text-light);
    max-width: 320px;
}

.product-list-table .btn-link {
    padding: 4px 12px;
    font-size: 0.9rem;
}

.app-products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}

/* 产品中心页 */
.products-page-section {
    padding: 48px 0 80px;
}

.products-page-section .app-search-box {
    margin-bottom: 36px;
}

/* 产品分类卡片布局 (products.html?category=xxx) */
.product-category-view {
    padding: 24px 0 48px;
}
.product-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--accent);
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}
.product-card {
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.product-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}
.product-card .product-model {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 8px;
}
.product-card .product-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0 0 20px;
}
.product-card .product-brief h4,
.product-card .product-files h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 12px;
}
.product-card .product-brief img {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    background: var(--bg);
    border-radius: 8px;
    margin-bottom: 16px;
}
.product-card .product-brief-placeholder {
    min-height: 120px;
    background: var(--bg);
    border-radius: 8px;
    padding: 16px;
    font-size: 0.9rem;
    color: var(--text-light);
}
.product-card .product-files ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.product-card .product-files li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg);
    border-radius: 6px;
    margin-bottom: 6px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.9rem;
    transition: background 0.2s;
}
.product-card .product-files li a:hover {
    background: rgba(26, 54, 93, 0.08);
}
.product-card .product-files li a span:last-child {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}
.product-empty {
    color: var(--text-light);
    font-size: 1rem;
    padding: 48px 0;
}

.app-product-card {
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s;
}

.app-product-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.app-product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.app-product-model {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

.app-product-type,
.app-product-hdmi {
    font-size: 0.85rem;
    color: var(--text-light);
    background: var(--bg);
    padding: 4px 10px;
    border-radius: 6px;
}

.app-product-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.5;
}

.app-product-actions {
    display: flex;
    gap: 12px;
}

.btn-intro {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-intro:hover {
    background: #a8871c;
}

.product-upload-guide {
    background: var(--bg);
    padding: 24px;
    border-radius: 8px;
}

.section-more {
    text-align: center;
    margin-top: 24px;
}

.section-more a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
}

.section-more a:hover {
    color: var(--accent);
}

/* 产品展示 */
.showcase-section {
    padding: 64px 0 96px;
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}

.showcase-section .app-search-box {
    margin-bottom: 40px;
}

.showcase-grid {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.showcase-placeholder {
    padding: 72px 32px;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.02) 0%, rgba(201, 162, 39, 0.04) 100%);
    border: 2px dashed var(--border);
    border-radius: 16px;
    text-align: center;
    color: var(--text-light);
}

.showcase-placeholder .showcase-format {
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--primary-light);
}

.showcase-placeholder code {
    background: var(--border);
    padding: 2px 8px;
    border-radius: 6px;
}

.showcase-no-results {
    padding: 56px 24px;
    text-align: center;
    color: var(--text-light);
}

/* 视频卡片：左侧视频 + 右侧产品简介 */
.showcase-video-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: box-shadow 0.3s;
}

.showcase-video-card:hover {
    box-shadow: 0 12px 24px -4px rgba(26,54,93,0.12);
}

.showcase-video-area {
    background: #1a1a1a;
    min-height: 280px;
}

.showcase-video-area video {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: contain;
    display: block;
}

.showcase-intro-area {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.showcase-intro-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.showcase-intro-model {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.showcase-intro-desc {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.6;
    flex: 1;
}

.showcase-intro-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.showcase-feature-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text);
}

@media (max-width: 768px) {
    .showcase-video-card {
        grid-template-columns: 1fr;
    }
    .showcase-video-area {
        min-height: 200px;
    }
    .showcase-video-area video {
        min-height: 200px;
    }
}

/* 技术支持 */
.tech-support-section {
    padding: 64px 0 96px;
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}

.tech-support-section .section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.tech-support-section .section-desc {
    color: var(--text-light);
    margin-bottom: 32px;
}

.tech-docs-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tech-docs-placeholder {
    padding: 64px 32px;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.02) 0%, rgba(201, 162, 39, 0.04) 100%);
    border: 2px dashed var(--border);
    border-radius: 12px;
    text-align: center;
    color: var(--text-light);
}

.tech-docs-placeholder .tech-docs-hint {
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--primary-light);
}

.tech-docs-no-results {
    padding: 56px 24px;
    text-align: center;
    color: var(--text-light);
}

.tech-docs-placeholder code {
    background: var(--border);
    padding: 2px 8px;
    border-radius: 6px;
}

.tech-doc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 28px;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
    transition: background 0.2s;
}

.tech-doc-row:last-child {
    border-bottom: none;
}

.tech-doc-row:hover {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.04) 0%, rgba(201, 162, 39, 0.03) 100%);
}

.tech-doc-name {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--primary);
}

.tech-doc-download {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent);
}

/* 区域代理商 - 首页（卡片栅格 · 深蓝品牌向） */
.partners-section {
    padding: 88px 0 92px;
    background:
        radial-gradient(ellipse 980px 360px at 50% -5%, rgba(26, 49, 94, 0.07), transparent),
        linear-gradient(180deg, #ffffff 0%, var(--bg-tint) 42%, var(--bg) 100%);
}

.partners-intro {
    display: grid;
    gap: 14px;
    margin-bottom: 28px;
    max-width: 46rem;
}

.partners-intro__hdr.section-header-left {
    margin-bottom: 0;
}

.partners-panel {
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    overflow: visible;
}

.partners-hierarchy {
    display: flex;
    flex-direction: column;
    gap: clamp(34px, 5vw, 48px);
    max-width: 56rem;
}

.partners-region {
    margin: 0;
}

.partners-region__head {
    margin-bottom: 16px;
}

.partners-region__title {
    margin: 0 0 8px;
    font-size: clamp(1.1rem, 2.5vw, 1.38rem);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1.28;
}

.partners-region__title--tw {
    color: var(--primary);
}

.partners-region__lead {
    margin: 0;
    max-width: 44rem;
    font-size: 0.7825rem;
    line-height: 1.6;
    color: #64748b;
}

.partner-type-group--taiwan-region {
    border-color: rgba(59, 130, 246, 0.32);
}

.partner-l2-list {
    background: rgba(248, 250, 252, 0.65);
    border-top: 1px solid rgba(226, 232, 240, 0.9);
}

/* 首页 · 大陆代理商：左右两列各自独立卡片，展开互不影响 */
.partners-region--mainland .partner-type-group {
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
}

.partners-region--mainland .partner-type-group:hover {
    transform: none;
    box-shadow: none;
}

.partners-region--mainland .partner-l2-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(14px, 2.5vw, 24px);
    align-items: start;
}

.partners-region--mainland .partner-l2-columns .partner-l2-list {
    min-width: 0;
    border-radius: 14px;
    border: 1px solid rgba(226, 232, 240, 0.92);
    background: var(--white);
    box-shadow:
        0 1px 3px rgba(15, 23, 42, 0.04),
        0 10px 28px -14px rgba(26, 49, 94, 0.1);
    overflow: hidden;
}

@media (max-width: 640px) {
    .partners-region--mainland .partner-l2-columns {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.partner-type-group {
    min-width: 0;
    border-radius: 16px;
    background: var(--white);
    border: 1px solid rgba(226, 232, 240, 0.92);
    box-shadow:
        0 1px 3px rgba(15, 23, 42, 0.04),
        0 14px 36px -12px rgba(26, 49, 94, 0.1);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.partner-type-group:hover {
    transform: translateY(-1px);
    box-shadow:
        0 2px 4px rgba(15, 23, 42, 0.05),
        0 18px 40px -12px rgba(26, 49, 94, 0.11);
}

.partner-l2__summary .partner-acc__name {
    font-weight: 500;
}

.partner-acc.partner-l2 {
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

.partner-l2-list .partner-l2:last-child {
    border-bottom: none;
}

.partner-l2__summary {
    padding-left: 12px !important;
    padding-right: 12px !important;
}

.partner-acc__summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 11px;
    padding: 12px 14px;
    transition: background 0.18s ease;
}

.partner-acc__summary::-webkit-details-marker {
    display: none;
}

.partner-acc__summary::marker {
    content: '';
}

.partner-acc__summary:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.5);
    outline-offset: -2px;
}

.partner-acc:hover .partner-acc__summary {
    background: rgba(248, 250, 252, 0.95);
}

.partner-acc[open] .partner-acc__summary {
    background: rgba(239, 246, 255, 0.75);
}

.partner-acc__caret {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    margin-top: 1px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: rgba(26, 49, 94, 0.08);
    transition: transform 0.2s ease, background 0.18s ease;
}

.partner-acc[open] .partner-acc__caret {
    transform: rotate(90deg);
    background: rgba(43, 108, 246, 0.14);
    color: #1d4ed8;
}

.partner-acc__caret svg {
    display: block;
}

.partner-acc__name {
    flex: 1 1 auto;
    min-width: 0;
    font-weight: 600;
    font-size: 0.8675rem;
    line-height: 1.4;
    color: var(--primary);
    word-break: break-word;
}

.partner-region {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
}

.partner-acc__body {
    margin: 0 12px 12px;
    padding: 12px 14px;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(240, 249, 255, 0.55) 0%, var(--bg-tint) 100%);
    border: 1px solid rgba(226, 232, 240, 0.75);
    border-left: 3px solid rgba(43, 108, 246, 0.45);
}

.partner-acc__en {
    display: none;
}

.partner-acc__desc {
    font-size: 0.8rem;
    color: var(--text);
    opacity: 0.92;
    line-height: 1.55;
    margin: 0;
}

@media (max-width: 600px) {
    .partners-section {
        padding: 60px 0 68px;
    }
    .partners-intro {
        margin-bottom: 22px;
    }
}

/* 应用场景详情页 · 与该场景相关联的代理商 */
.iv-agents-section {
    padding: clamp(40px, 5vw, 56px) 0;
}

.iv-agents-section .container {
    display: grid;
    gap: 16px;
}

.iv-agents-section .iv-agents-intro {
    max-width: 52rem;
    margin-bottom: 0.25rem;
}

.iv-agents-section .lead {
    color: var(--text-light);
    font-size: 0.9625rem;
    line-height: 1.7;
}

.iv-agents-mount {
    min-height: 1px;
}

.iv-agents-section .iv-agents-panel {
    max-width: 100%;
}

.iv-agents-section .partners-hierarchy {
    max-width: 100%;
}

.iv-agents-section .partner-cat-block + .partner-cat-block {
    margin-top: 1.25rem;
    padding-top: 1.1rem;
    border-top: 1px solid rgba(226, 232, 240, 0.9);
}

.iv-agents-section .partner-cat-block__title {
    margin: 0 0 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-light);
    line-height: 1.45;
}

.iv-agents-section .partner-l2-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
}

.iv-agents-section .partner-l2-list:has(.partner-l2:only-child) {
    grid-template-columns: 1fr;
}

.iv-agents-section .partner-acc.partner-l2 {
    border-right: 1px solid rgba(226, 232, 240, 0.85);
    min-width: 0;
}

.iv-agents-section .partner-l2-list .partner-acc.partner-l2:nth-child(2n),
.iv-agents-section .partner-l2-list .partner-acc.partner-l2:last-child:nth-child(odd) {
    border-right: none;
}

.iv-agents-section .partner-l2-list .partner-acc.partner-l2:last-child {
    border-bottom: none;
}

.iv-agents-section .partner-l2-list .partner-acc.partner-l2:nth-last-child(2):nth-child(odd) {
    border-bottom: none;
}

@media (max-width: 640px) {
    .iv-agents-section .partner-l2-list {
        grid-template-columns: 1fr;
    }

    .iv-agents-section .partner-acc.partner-l2 {
        border-right: none;
    }

    .iv-agents-section .partner-l2-list .partner-acc.partner-l2:nth-last-child(2):nth-child(odd) {
        border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    }

    .iv-agents-section .partner-l2-list .partner-acc.partner-l2:last-child {
        border-bottom: none;
    }
}

.iv-agents-footnote {
    margin: 0.25rem 0 0;
    font-size: 0.85rem;
    line-height: 1.62;
    color: var(--text-light);
}

.iv-agents-contact {
    padding-top: 6px;
}

.iv-agents-contact__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.9425rem;
    color: var(--primary-light);
}

.iv-agents-contact__link:hover {
    color: var(--primary);
    text-underline-offset: 2px;
}

.product-upload-guide h3 {
    font-size: 1.125rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.upload-table.compact th,
.upload-table.compact td {
    padding: 10px 12px;
}
@media (max-width: 768px) {
    .product-upload-guide {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .upload-table {
        min-width: 400px;
    }
}

/* 加入我们 */
.join-section {
    padding: 64px 0 96px;
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}

.join-intro {
    max-width: 720px;
    margin: 0 auto 56px;
    padding: 28px 32px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-lg);
}

.join-intro-text {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text);
}

.jobs-container {
    max-width: 720px;
    margin: 0 auto;
}

.no-jobs-placeholder {
    padding: 56px 32px;
    text-align: center;
    background: var(--white);
    border: 2px dashed var(--border);
    border-radius: 16px;
    color: var(--text-light);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.no-jobs-placeholder .jobs-hint {
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--primary-light);
}

.job-card {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    margin-bottom: 24px;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.2s;
}

.job-card:hover {
    box-shadow: 0 12px 24px -4px rgba(26,54,93,0.1);
}

.job-card:last-child {
    margin-bottom: 0;
}

.job-card-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.04) 0%, rgba(201, 162, 39, 0.06) 100%);
    border-bottom: 1px solid var(--border);
}

.job-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.job-department {
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 4px 12px;
    background: var(--bg);
    border-radius: 6px;
}

.job-card-body {
    padding: 20px 24px;
}

.job-field {
    margin-bottom: 20px;
}

.job-field:last-child {
    margin-bottom: 0;
}

.job-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.job-field p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.7;
}

.job-list {
    margin: 0;
    padding-left: 20px;
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.75;
}

.job-list li {
    margin-bottom: 10px;
}

.job-list li:last-child {
    margin-bottom: 0;
}

.job-list-priority {
    color: var(--text-light);
}

.job-card-featured {
    border-left: 4px solid var(--accent);
}

.job-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 6px;
}

.job-apply-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 24px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.job-apply-btn:hover {
    background: var(--primary-light);
}

/* 加入我们 - 区块标题 */
.join-section-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.join-section-desc {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 28px;
}

/* 福利待遇 */
.join-benefits {
    margin-bottom: 48px;
}

.join-benefits .join-section-desc {
    margin-bottom: 20px;
}

.join-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 768px) {
    .join-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .join-benefits-grid {
        grid-template-columns: 1fr;
    }
}

.join-benefit-item {
    background: var(--white);
    border-radius: 10px;
    padding: 16px 14px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.join-benefit-item:hover {
    transform: scale(1.04);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 111, 255, 0.2);
}

.join-benefit-item:active {
    transform: scale(0.98);
}

.join-benefit-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.join-benefit-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.join-benefit-item p {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.45;
}

/* 在招岗位区块 */
.join-jobs-block {
    margin-bottom: 64px;
}

/* 城市筛选按钮 */
.join-job-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.join-job-filter-btn {
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

.join-job-filter-btn:hover {
    transform: scale(1.06);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.join-job-filter-btn:active {
    transform: scale(0.98);
}

.join-job-filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.join-job-filter-btn.active:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
}

/* 岗位列表展示 */
.job-list-items {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 720px;
}

.job-list-items > li {
    margin-bottom: 12px;
}

.job-list-items > li:last-child {
    margin-bottom: 0;
}

.job-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.job-list-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 111, 255, 0.3);
}

.job-list-item:active {
    transform: scale(0.98);
}

.job-list-item-main {
    flex: 1;
}

.job-list-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 6px 0;
}

.job-list-item-meta {
    font-size: 0.9rem;
    color: var(--text-light);
}

.job-list-item-arrow {
    font-size: 0.9rem;
    color: var(--primary-light);
    font-weight: 500;
    flex-shrink: 0;
    margin-left: 16px;
}

.job-list-item:hover .job-list-item-arrow {
    color: var(--primary);
}

@media (max-width: 480px) {
    .job-list-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
    }
    .job-list-item-arrow {
        margin-left: 0;
        margin-top: 8px;
    }
}

/* 岗位 JD 详情页 */
.join-job-detail {
    padding-top: 48px;
}

.job-detail-card {
    max-width: 720px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-lg);
    padding: 32px 36px;
}

.job-detail-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.job-apply-btn-lg {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1rem;
}

.job-back-link {
    font-size: 0.95rem;
    color: var(--text-light);
    text-decoration: none;
}

.job-back-link:hover {
    color: var(--primary);
}

.join-jobs-block .jobs-container {
    max-width: 720px;
    margin: 0 auto;
}

/* HR 招聘联系 */
.join-hr-block {
    margin-bottom: 64px;
}

.join-hr-card {
    background: linear-gradient(135deg, rgba(26, 49, 94, 0.06) 0%, rgba(254, 194, 10, 0.04) 100%);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 36px;
}

.join-hr-row {
    display: flex;
    flex-wrap: wrap;
    gap: 32px 48px;
    margin-bottom: 20px;
}

.join-hr-row-email-only {
    justify-content: center;
}

.join-hr-row-email-only .join-hr-item {
    align-items: center;
    text-align: center;
}

.join-hr-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.join-hr-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.join-hr-value {
    font-size: 1.05rem;
    color: var(--primary);
    font-weight: 500;
}

.join-hr-link {
    text-decoration: none;
    transition: color 0.2s;
}

.join-hr-link:hover {
    color: var(--primary-light);
}

.join-hr-note {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .join-hr-row {
        flex-direction: column;
        gap: 20px;
    }
    .join-hr-card {
        padding: 24px 20px;
    }
}

/* 简历投递 CTA */
.join-cta-block {
    background: var(--white);
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 36px 40px;
    text-align: center;
}

.join-cta-inner {
    max-width: 560px;
    margin: 0 auto;
}

.join-cta-text {
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.7;
}

.join-cta-block .btn-hero-primary {
    display: inline-block;
}

.no-jobs {
    color: var(--text-light);
    font-style: italic;
    text-align: center;
    padding: 48px;
}

.job-item {
    padding: 24px;
    margin-bottom: 20px;
    background: var(--bg);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.job-item h3 {
    color: var(--primary);
    margin-bottom: 8px;
}

.job-department {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.job-desc,
.job-require {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ========= 关于我们页（新版） ========= */
/* Hero 横幅：与应用场景模块同规格（1920×640）SVG，左区压暗保证标题可读 */
.page-contact .site-hero-banner--about {
    background-color: #0b1d3a;
    background-image:
        linear-gradient(
            105deg,
            rgba(10, 21, 36, 0.92) 0%,
            rgba(10, 21, 36, 0.58) 34%,
            rgba(11, 34, 72, 0.22) 58%,
            rgba(11, 34, 72, 0.06) 100%
        ),
        url("../files/about-hero/banner-about.svg");
    background-size: cover, cover;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
}

.page-contact .site-hero-banner--about .site-hero-glow {
    width: min(480px, 52vw);
    opacity: 0.5;
}

.page-contact .site-hero-banner--about .site-hero-circles {
    opacity: 0.85;
}

/* 关于我们页 Hero 文案 */
.page-contact .site-hero-title {
    margin-bottom: 14px;
}

.page-contact .site-hero-title .site-hero-title-zh {
    font-size: clamp(2rem, 4.2vw, 2.75rem);
}

.page-contact .site-hero-title .site-hero-title-en {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
}

.page-contact .site-hero-desc {
    font-size: clamp(0.9375rem, 1.35vw, 1.125rem);
    line-height: 1.75;
    max-width: 38rem;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 8px;
}

.about-page {
    padding: 72px 0 120px;
    background: linear-gradient(180deg, var(--bg-tint) 0%, var(--bg) 36%, var(--bg) 100%);
}

.about-page__shell {
    max-width: 1120px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
}

@media (min-width: 960px) {
    .about-page__shell {
        grid-template-columns: 10.75rem minmax(0, 1fr);
        gap: clamp(2rem, 4vw, 3.25rem);
    }
}

.about-page__toc {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
}

@media (min-width: 960px) {
    .about-page__toc {
        position: sticky;
        top: calc(64px + 1.25rem);
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 2px;
        padding: 6px 0 6px 18px;
        border-left: 1px solid rgba(26, 49, 94, 0.12);
    }
}

.about-page__toc-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
}

@media (min-width: 960px) {
    .about-page__toc-link {
        border-radius: 0 10px 10px 0;
        padding: 10px 14px;
        margin-left: -19px;
        border-left: 2px solid transparent;
        font-size: 0.875rem;
    }

    .about-page__toc-link:hover,
    .about-page__toc-link:focus-visible {
        color: var(--primary);
        background: rgba(26, 49, 94, 0.05);
        border-left-color: var(--accent);
    }
}

.about-page__toc-link:hover,
.about-page__toc-link:focus-visible {
    color: var(--primary);
    border-color: rgba(26, 49, 94, 0.1);
    background: rgba(255, 255, 255, 0.7);
}

.about-page__main {
    min-width: 0;
}

/* 公司简介（通栏排版，无大卡片） */
.about-intro {
    margin-bottom: clamp(40px, 6vw, 64px);
}

.about-intro__head {
    margin-bottom: 8px;
}

.about-intro__title {
    margin: 0 0 18px;
    font-size: clamp(1.9rem, 3.6vw, 2.45rem);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.04em;
    line-height: 1.12;
}

.about-intro__lead {
    margin: 0 0 36px;
    max-width: 42rem;
    font-size: clamp(1.0625rem, 1.55vw, 1.2rem);
    line-height: 1.78;
    color: var(--text-light);
}

.about-intro__stats {
    list-style: none;
    margin: 0 0 44px;
    padding: 26px 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px 24px;
    border-top: 1px solid rgba(26, 54, 93, 0.1);
    border-bottom: 1px solid rgba(26, 54, 93, 0.1);
}

.about-intro__stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.about-intro__stat-val {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.about-intro__stat-val--sm {
    font-size: 0.875rem;
    line-height: 1.4;
}

.about-intro__stat-lab {
    font-size: 0.8125rem;
    color: var(--text-light);
    font-weight: 500;
    line-height: 1.35;
}

.about-intro__body p {
    margin: 0 0 1.45em;
    font-size: clamp(1.02rem, 1.2vw, 1.1rem);
    line-height: 1.92;
    color: var(--text);
}

.about-intro__body p:last-child {
    margin-bottom: 0;
}

.about-intro__motto {
    margin: 2.6em 0 2.7em;
    text-align: center;
}

.about-intro__motto-text {
    margin: 0 0 10px;
    font-size: clamp(1.28rem, 3vw, 1.58rem);
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.15em;
    line-height: 1.55;
}

.about-intro__motto-from {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-light);
}

.about-intro__mission {
    margin-top: 0.6em !important;
    font-size: clamp(1.02rem, 1.15vw, 1.08rem) !important;
    line-height: 1.9 !important;
    color: var(--primary) !important;
    font-weight: 600 !important;
}

/* 资质 / 业务 / 留言 — 统一玻璃白卡片 */
.about-panel {
    margin-bottom: 22px;
    padding: clamp(28px, 3.5vw, 44px) clamp(22px, 3vw, 42px);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 22px;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.98) inset,
        0 20px 50px -24px rgba(26, 49, 94, 0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.about-panel:last-child {
    margin-bottom: 0;
}

.about-panel__head {
    margin-bottom: 26px;
}

.about-panel__eyebrow {
    margin: 0 0 8px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

.about-panel__title {
    margin: 0 0 12px;
    font-size: clamp(1.35rem, 2.3vw, 1.65rem);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.about-panel__desc {
    margin: 0;
    max-width: 46rem;
    font-size: 1.02rem;
    line-height: 1.72;
    color: var(--text-light);
}

.about-page .credentials-grid {
    gap: 26px;
}

.about-page .credential-thumb {
    border-radius: 16px;
}

.about-page .contact-info-card {
    background: rgba(255, 255, 255, 0.65);
}

.contact-msg-chips {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.contact-msg-chips li {
    margin: 0;
    padding: 7px 14px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--primary-light);
    background: rgba(26, 49, 94, 0.05);
    border-radius: 999px;
    border: 1px solid rgba(26, 49, 94, 0.1);
}

.about-page .message-form {
    border-radius: 16px;
}

@media (max-width: 900px) {
    .about-intro__stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 959px) {
    .about-page {
        padding: 56px 0 96px;
    }
}

@media (max-width: 520px) {
    .about-intro__stats {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 22px 0;
    }
}

/* 重点应用详情页 */
.app-detail-section {
    padding: 64px 0 96px;
    background: linear-gradient(to bottom, var(--bg-tint) 0%, var(--bg) 100%);
}
.app-detail-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 44px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}
.app-detail-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 36px;
    padding-bottom: 18px;
    border-bottom: 3px solid var(--accent);
}
.app-detail-block {
    margin-bottom: 32px;
}
.app-detail-block:last-child {
    margin-bottom: 0;
}
.app-detail-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 12px;
}
.app-detail-model,
.app-detail-brief {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.7;
}
.app-detail-brief p {
    margin: 0 0 12px;
}
.app-detail-brief p:last-child {
    margin-bottom: 0;
}
.app-detail-media {
    background: var(--bg);
    border-radius: 8px;
    padding: 24px;
    min-height: 80px;
}
.app-detail-media img,
.app-detail-media video {
    display: block;
}
.app-detail-placeholder {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}
.app-detail-dl-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    margin-bottom: 8px;
    transition: background 0.2s;
}
.app-detail-dl-row:hover {
    background: rgba(26, 54, 93, 0.08);
}
.app-detail-dl-row:last-child {
    margin-bottom: 0;
}
.app-detail-dl-row span:last-child {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

/* 车载投屏详情节：与脚本同步，防止 display 被其它样式覆盖 */
body.app-detail-invehicle #appDetailInvehicleContent.app-invehicle-ppt {
    display: block !important;
}

/* 应用场景 · 车载投屏（PPT 内容落地页） */
.app-invehicle-ppt {
    margin-bottom: 36px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.app-ppt-hero {
    position: relative;
    padding: 28px 24px 32px;
    margin: 0 0 28px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.08) 0%, rgba(44, 82, 130, 0.06) 50%, rgba(237, 242, 247, 0.9) 100%);
    border: 1px solid rgba(26, 54, 93, 0.12);
}
.app-ppt-hero-deco {
    position: absolute;
    top: 18px;
    right: 20px;
    width: 48px;
    height: auto;
    opacity: 0.88;
    pointer-events: none;
}
@media (max-width: 480px) {
    .app-ppt-hero-deco {
        width: 36px;
        top: 12px;
        right: 12px;
    }
}
.app-ppt-hero-kicker {
    display: inline-block;
    margin: 0 0 14px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.app-ppt-hero-tags {
    margin: 0 0 14px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.45;
}
.app-ppt-hero-lead {
    margin: 0 0 16px;
    font-size: 0.98rem;
    color: var(--text);
    line-height: 1.75;
    max-width: 52rem;
}
.app-ppt-hero-en {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.04em;
    text-transform: none;
}
.app-ppt-section {
    margin-bottom: 36px;
}
.app-ppt-section-alt {
    padding: 24px 22px;
    border-radius: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
}
.app-ppt-section-outlook {
    padding: 24px 22px;
    border-radius: 12px;
    background: linear-gradient(to bottom, rgba(26, 54, 93, 0.05), transparent);
    border: 1px solid var(--border);
}
.app-ppt-h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}
.app-ppt-h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary);
    margin: 20px 0 10px;
}
.app-ppt-h3:first-of-type {
    margin-top: 0;
}
.app-ppt-h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 8px;
}
.app-ppt-p {
    margin: 0 0 12px;
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.75;
}
.app-ppt-p:last-child {
    margin-bottom: 0;
}
.app-ppt-strong-first {
    font-weight: 600;
    color: var(--primary);
}
.app-ppt-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}
.app-ppt-list,
.app-ppt-ol,
.app-ppt-checklist {
    margin: 12px 0 0;
    padding-left: 1.25rem;
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.7;
}
.app-ppt-list li,
.app-ppt-ol li,
.app-ppt-checklist li {
    margin-bottom: 10px;
}
.app-ppt-li-title {
    font-weight: 600;
    color: var(--primary);
    margin-right: 4px;
}
.app-ppt-adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 16px;
}
.app-ppt-adv-card {
    padding: 18px 16px;
    background: var(--bg);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: box-shadow 0.2s;
}
.app-ppt-adv-card:hover {
    box-shadow: var(--shadow-md);
}
.app-ppt-quote {
    margin: 24px 0 0;
    padding: 18px 22px;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--primary);
    text-align: center;
    border-left: 4px solid var(--accent);
    background: rgba(44, 82, 130, 0.06);
    border-radius: 0 10px 10px 0;
}
.app-ppt-closing {
    text-align: center;
    padding: 32px 16px 8px;
    margin-top: 8px;
}
.app-ppt-closing-thanks {
    margin: 0 0 8px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}
.app-ppt-closing-demo {
    margin: 0 0 12px;
    font-size: 0.95rem;
    color: var(--text-light);
}
.app-ppt-closing-cta {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
}
.app-ppt-figure {
    margin: 20px 0 0;
    padding: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
}
.app-ppt-figure img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: middle;
}
.app-ppt-figure-hero {
    margin-top: 24px;
}
.app-ppt-icon-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-top: 20px;
    padding: 16px;
    background: rgba(26, 54, 93, 0.04);
    border-radius: 12px;
}
.app-ppt-icon-item img {
    display: block;
    width: 64px;
    height: auto;
    max-height: 64px;
}
.app-ppt-list-with-icons li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}
.app-ppt-list-with-icons {
    list-style: none;
    padding-left: 0;
}
.app-ppt-li-icon {
    flex-shrink: 0;
    margin-top: 2px;
}
.app-ppt-li-icon img {
    display: block;
    width: 48px;
    height: auto;
}
.app-ppt-li-text {
    flex: 1;
}
.app-ppt-deco-center {
    display: flex;
    justify-content: center;
    margin: 16px 0 8px;
}
.app-ppt-deco-center img {
    opacity: 0.9;
}
.app-ppt-adv-photo {
    margin: -18px -16px 14px;
    border-radius: 10px 10px 0 0;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
.app-ppt-adv-photo img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.app-ppt-checklist-with-img {
    list-style: none;
    padding-left: 0;
    margin-top: 20px;
}
.app-ppt-check-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    padding: 12px 14px;
    background: var(--bg);
    border-radius: 10px;
    border: 1px solid var(--border);
}
.app-ppt-check-thumb {
    flex-shrink: 0;
    width: 120px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.app-ppt-check-thumb img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: middle;
}
.app-ppt-check-txt {
    flex: 1;
    line-height: 1.6;
}
.app-ppt-slide5-deco {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
}
.app-ppt-slide5-deco img {
    display: block;
    width: 72px;
    height: auto;
}
@media (max-width: 640px) {
    .app-ppt-adv-grid {
        grid-template-columns: 1fr;
    }
    .app-ppt-hero {
        padding: 20px 18px 24px;
    }
    .app-ppt-check-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .app-ppt-check-thumb {
        width: 100%;
        max-width: 200px;
    }
}

.contact-block {
    margin-bottom: 48px;
    padding: 36px 40px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: box-shadow 0.3s;
}

.contact-block:hover {
    box-shadow: 0 12px 24px -4px rgba(26,54,93,0.08);
}

.contact-block:last-of-type {
    margin-bottom: 0;
}

.contact-block-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 3px solid var(--accent);
}

.contact-block-icon {
    font-size: 1.35rem;
    color: var(--accent);
}

.block-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.block-desc {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* 资质与荣誉（关于我们） */
.contact-block-credentials {
    border-left: 4px solid var(--accent);
    background: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(250, 248, 242, 0.65) 100%);
}

.credentials-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.credential-card {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.credential-thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: 12px;
    border: 2px dashed rgba(26, 54, 93, 0.18);
    background: linear-gradient(145deg, rgba(26, 54, 93, 0.04), rgba(201, 162, 39, 0.06));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.credential-card--empty .credential-thumb:hover {
    border-color: rgba(201, 162, 39, 0.45);
    box-shadow: 0 8px 20px -6px rgba(26, 54, 93, 0.12);
}

.credential-thumb--link {
    padding: 0;
    border-style: solid;
    border-color: var(--border);
    display: block;
}

.credential-thumb--link:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.credential-thumb--link img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #fafafa;
}

/* 证书仅展示图片（无下载链接） */
.credential-thumb--display {
    padding: 0;
    border-style: solid;
    border-color: var(--border);
    border-width: 1px;
    background: #fafafa;
}

.credential-thumb--display img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #fafafa;
    user-select: none;
    -webkit-user-drag: none;
}

.credential-thumb--pdf {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    background: linear-gradient(160deg, #f8fafc 0%, #eef2f7 100%);
    border-style: solid !important;
}

.credential-thumb--pdf:hover {
    border-color: var(--primary-light) !important;
    background: linear-gradient(160deg, #fff 0%, #f1f5f9 100%);
}

.credential-pdf-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.credential-pdf-badge {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #b91c1c;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(185, 28, 28, 0.08);
    border: 1px solid rgba(185, 28, 28, 0.2);
}

.credential-pdf-cta {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.credential-thumb--pdf:hover .credential-pdf-cta {
    color: var(--primary);
}

.credential-placeholder-icon {
    font-size: 2rem;
    opacity: 0.55;
}

.credential-placeholder-mark {
    width: 28px;
    height: 36px;
    border-radius: 3px;
    border: 2px solid #cbd5e1;
    background: linear-gradient(180deg, #fff 0%, #f1f5f9 100%);
    opacity: 0.85;
}

.credential-placeholder-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 0.02em;
}

.credential-caption {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    line-height: 1.4;
}

@media (max-width: 900px) {
    .credentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .credentials-grid {
        grid-template-columns: 1fr;
    }
}

/* 业务合作区块 */
.contact-block-business {
    border-left: 4px solid var(--primary);
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.contact-info-card {
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.03) 0%, rgba(201, 162, 39, 0.04) 100%);
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-info-card:hover {
    border-color: rgba(26, 54, 93, 0.2);
    box-shadow: var(--shadow);
}

.contact-info-card-wide {
    grid-column: 1 / -1;
}

.contact-info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.contact-info-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary);
}

.contact-info-detail {
    font-size: 0.9rem;
    color: var(--text-light);
}

.contact-info-link {
    font-size: 0.95rem;
    color: var(--primary-light);
    text-decoration: none;
}

.contact-info-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* 留言板区块 */
.contact-block-message {
    border-left: 4px solid var(--primary-light);
}

.contact-block .message-board {
    max-width: 100%;
}

.message-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.block-link {
    margin-top: 16px;
}

.block-link a {
    color: var(--primary);
    font-weight: 500;
}

.block-link a:hover {
    color: var(--accent);
}

.jobs-preview {
    margin-top: 16px;
}

.jobs-preview .job-item {
    padding: 16px;
    margin-bottom: 12px;
    background: var(--bg);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    margin-bottom: 0;
}

.contact-item {
    margin-bottom: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
    .page-contact .site-hero-title .site-hero-title-zh {
        font-size: clamp(1.75rem, 6vw, 2.25rem);
    }
}

@media (max-width: 640px) {
    .contact-block {
        padding: 24px 20px;
    }
    .about-page__shell {
        padding-left: 16px;
        padding-right: 16px;
    }
    .about-page {
        padding: 48px 0 88px;
    }
    .about-panel {
        padding: 24px 18px 28px;
        border-radius: 18px;
    }
    .about-intro {
        margin-bottom: 36px;
    }
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    .message-form .form-row {
        grid-template-columns: 1fr;
    }
}

.agents h4 {
    margin-bottom: 16px;
    color: var(--primary);
}

.agents ul {
    list-style: none;
}

.agents li {
    padding: 8px 0;
    color: var(--text-light);
}

/* 留言板 */
.message-section {
    padding: 80px 0;
    background: var(--bg);
}

.message-board {
    max-width: 100%;
}

.message-form {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.02) 0%, rgba(201, 162, 39, 0.03) 100%);
    padding: 32px 36px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.form-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    min-height: 52px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: var(--primary-light);
}

.message-list {
    background: var(--white);
    padding: 32px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.message-list h4 {
    margin-bottom: 20px;
    color: var(--primary);
}

.no-messages {
    color: var(--text-light);
    font-style: italic;
}

.message-item {
    padding: 16px;
    margin-bottom: 12px;
    background: var(--bg);
    border-radius: 6px;
    border-left: 4px solid var(--accent);
}

.message-item .msg-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.message-item .msg-content {
    font-size: 0.95rem;
}

/* 页脚 (旧版 - 子页面) */
.footer {
    padding: 32px;
    background: var(--primary);
    color: rgba(255,255,255,0.8);
    text-align: center;
}

.footer-slogan {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
}

.footer a {
    color: rgba(255,255,255,0.9);
}

/* 页脚 V2 (首页) */
.footer-v2 {
    background: #040B18;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 64px 0 0;
    color: rgba(255,255,255,0.6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-brand {}

.footer-logo img {
    height: 36px;
    margin-bottom: 16px;
    display: block;
}

.footer-about {
    font-size: 0.85rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.5);
    margin: 0 0 16px;
}

.footer-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    margin: 0 0 16px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #60a5fa;
}

.footer-contact-list li {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    line-height: 1.5;
}

.footer-contact-list a {
    color: #60a5fa !important;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
}

.footer-bottom p { margin: 0; color: rgba(255,255,255,0.35); }
.footer-bottom a { color: rgba(255,255,255,0.35); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,0.6); }

@media (max-width: 968px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-v2 { padding: 40px 0 0; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* 入场动画 */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.25,0.46,0.45,0.94), transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}

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

/* 响应式 */
@media (max-width: 968px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--primary);
        padding: 24px;
        gap: 0;
    }
    
    .nav-links.open > li {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-links.open > li:last-child {
        border-bottom: none;
    }
    
    .nav-links.open > li > a {
        display: block;
        padding: 8px 0;
        font-size: 1rem;
    }

    .nav-links .has-dropdown > a::after {
        border-top-width: 5px;
        border-left-width: 5px;
        border-right-width: 5px;
    }

    .nav-dropdown {
        position: static;
        transform: none;
        background: rgba(255,255,255,0.05);
        backdrop-filter: none;
        border-radius: 6px;
        margin-top: 6px;
        padding: 4px 0;
        opacity: 1;
        visibility: visible;
        display: none;
        box-shadow: none;
    }

    .nav-links.open .has-dropdown .nav-dropdown {
        display: block;
    }

    .nav-dropdown li a {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    .nav-dropdown .nav-dropdown-sub {
        position: static;
        left: auto;
        padding-left: 12px;
        margin-top: 4px;
        border-left: 2px solid rgba(255,255,255,0.2);
    }

    .nav-toggle {
        display: block;
        min-width: 44px;
        min-height: 44px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .product-list {
        grid-template-columns: 1fr;
    }
    
    .page-main {
        padding-top: 24px;
        padding-bottom: 32px;
    }
    
    .applications-section,
    .core-products-section,
    .agents-section,
    .tech-support-section {
        padding: 48px 0;
    }
}

@media (max-width: 480px) {
    .core-product-card,
    .app-category-card {
        padding: 20px 16px;
    }
    
    .footer {
        padding: 24px 16px;
    }
    
    .footer-slogan {
        font-size: 1rem;
    }
}