/* ===== 超醒品牌官网 - 全局样式 ===== */
:root {
    --brand-yellow: #FFD000;
    --brand-yellow-dark: #E6BB00;
    --brand-yellow-light: #FFE44D;
    --bg-dark: #0D0D0D;
    --bg-section: #1A1A1A;
    --bg-card: #222222;
    --bg-card-hover: #2A2A2A;
    --text-primary: #F5F5F5;
    --text-secondary: #AAAAAA;
    --text-muted: #777777;
    --border-color: #333333;
    --gradient-yellow: linear-gradient(135deg, #FFD000, #FF9500);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 30px rgba(255,208,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a { color: var(--brand-yellow); text-decoration: none; }

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13,13,13,0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,208,0,0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(13,13,13,0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-yellow);
    font-size: 22px;
    font-weight: 700;
}

.logo-icon {
    font-size: 28px;
    filter: drop-shadow(0 0 8px rgba(255,208,0,0.5));
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 8px;
}

.nav-links a {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--brand-yellow);
    background: rgba(255,208,0,0.08);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== 通用板块样式 ===== */
.section {
    padding:  90px 0;
    position: relative;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    background: var(--gradient-yellow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    max-width:  900px;
    margin: 0 auto 60px;
}

.subsection-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--brand-yellow);
    margin-bottom: 20px;
}

/* ===== 动画 ===== */
.animate-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== 1. Hero区 ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(255,208,0,0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 70%, rgba(255,149,0,0.06) 0%, transparent 50%),
        var(--bg-dark);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.hero-lightning {
    font-size: 72px;
    filter: drop-shadow(0 0 30px rgba(255,208,0,0.6));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 30px rgba(255,208,0,0.6)); }
    50% { transform: scale(1.08); filter: drop-shadow(0 0 50px rgba(255,208,0,0.8)); }
}

.hero-title {
    font-size: 54px;
    font-weight: 900;
    background: var(--gradient-yellow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 8px;
}

.hero-slogan {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.hero-sub {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btn {
    display: inline-block;
    padding: 14px 48px;
    background: var(--gradient-yellow);
    color: #000;
    font-weight: 700;
    font-size: 16px;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(255,208,0,0.3);
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,208,0,0.5);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

.scroll-arrow {
    width: 14px;
    height: 14px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    margin: 8px auto 0;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(8px); }
}

/* ===== 2. 品牌故事 ===== */
/* ===== 3. 核心技术 ===== */
.tech-section {
    background: var(--bg-dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-yellow);
    border-radius: 4px 0 0 4px;
}

.tech-card:hover {
    border-color: rgba(255,208,0,0.3);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.tech-stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 16px;
}

.stat-num {
    font-size: 36px;
    font-weight: 900;
    color: var(--brand-yellow);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

.tech-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.structure-block {
    text-align: center;
    padding: 40px 0;
}

.structure-img {
    max-width:  600px;
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 30px;
}

.structure-layers {
    display: flex;
    justify-content: center;
    gap:  60px;
    flex-wrap: wrap;
}

.layer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.layer-icon {
    font-size: 36px;
}

/* ===== 4. 产品矩阵 ===== */
.products-section {
    background: var(--bg-section);
}

.products-grid {
    display: grid; align-items: stretch;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    border-color: var(--brand-yellow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
}

.product-info {
    padding: 28px;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 12px;
}

.product-price {
    font-size: 32px;
    font-weight: 900;
    color: var(--brand-yellow);
}

.product-level {
    font-size: 14px;
    color: var(--brand-yellow);
    background: rgba(255,208,0,0.1);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255,208,0,0.2);
}

.product-info h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}

.product-meta {
    display: flex;
    gap: 16px;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 20px;
}

.product-btn {
    display: inline-block;
    padding: 10px 28px;
    border: 2px solid var(--brand-yellow);
    color: var(--brand-yellow);
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.product-btn:hover {
    background: var(--brand-yellow);
    color: #000;
}

/* ===== 5. 适用场景 ===== */
.scenes-section {
    background: var(--bg-dark);
}

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

.scene-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.scene-card:hover {
    border-color: var(--brand-yellow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.scene-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 16px;
}

.scene-icon {
    font-size: 44px;
    margin-bottom: 12px;
}

.scene-card h3 {
    color: var(--brand-yellow);
    font-size: 20px;
    margin-bottom: 10px;
}

.scene-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== 6. 招商合作 ===== */
.invest-section {
    background: var(--bg-section);
}

.invest-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.invest-stat-item {
    text-align: center;
    padding: 32px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 44px;
    font-weight: 900;
    color: var(--brand-yellow);
    margin-bottom: 8px;
}

.stat-text {
    color: var(--text-secondary);
    font-size: 14px;
}

.support-block {
    margin-bottom: 60px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.support-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    color: var(--text-secondary);
}

.support-item:hover {
    border-color: var(--brand-yellow);
    color: var(--text-primary);
}

.support-icon {
    font-size: 32px;
}

.channel-block {
    margin-bottom: 40px;
}

.channel-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.channel-group {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.channel-group h4 {
    color: var(--brand-yellow);
    font-size: 18px;
    margin-bottom: 10px;
}

.channel-group p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== 7. 渠道布局 & Footer ===== */
.channel-section {
    background: var(--bg-dark);
}

.channel-contact {
    text-align: center;
}

.map-img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.hotline-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hotline-label {
    color: var(--text-muted);
    font-size: 14px;
}

.hotline-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--brand-yellow);
    letter-spacing: 2px;
}

.qrcode-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.qrcode-img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.site-footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 13px;
}

.site-footer .icp {
    margin-top: 6px;
}


/* ===== Logo图片（后台可上传） ===== */
.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 4px;
}

.hero-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(255,208,0,0.4));
}

/* ===== Hero区产品图居中放大 ===== */
.hero-img {
    max-width: 930px;
    width: 85%;
    margin: 0 auto 40px;
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

/* ===== 探索产品按钮居中 ===== */
.hero-btn-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* ===== 产品矩阵图片居中放大 ===== */
.product-img {
    width: 100%;
    height: 320px;
    object-fit: contain;
    background: linear-gradient(135deg, #1A1A1A, #111);
    padding: 20px;
}

.product-placeholder {
    width: 100%;
    height: 320px;
}

/* ===== 响应式 ===== */

/* ===== 品牌故事优化排版 ===== */
.story-section {
    background: var(--bg-section);
}

/* 品牌起源 */
.story-origin {
    margin-bottom: 60px;
}

.story-origin .story-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 2.2;
    max-width:  900px;
    margin: 0 auto;
    text-align: justify;
    }

/* 品牌定位 */
.story-position {
    margin-bottom: 60px;
    text-align: center;
}

.position-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 16px;
}

.core-claim {
    font-size: 32px;
    font-weight: 800;
    color: var(--brand-yellow);
    margin-bottom: 48px;
    text-align: center;
    text-shadow: 0 0 40px rgba(255,208,0,0.2);
}

/* 四维度卡片 */
.dimension-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.dimension-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 36px 20px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dimension-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-yellow);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.dimension-card:hover::before {
    transform: scaleX(1);
}

.dimension-card:hover {
    border-color: rgba(255,208,0,0.3);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.dim-icon {
    font-size: 36px;
    margin-bottom: 14px;
}

.dimension-card h4 {
    color: var(--brand-yellow);
    font-size: 17px;
    margin-bottom: 10px;
    font-weight: 600;
}

.dimension-card p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.8;
}

/* 品牌价值观 */
.brand-values {
    display: inline-block;
    padding: 14px 40px;
    background: rgba(255,208,0,0.08);
    border: 1px solid rgba(255,208,0,0.2);
    border-radius: 50px;
    font-size: 16px;
    color: var(--brand-yellow-light);
    font-weight: 600;
    letter-spacing: 2px;
}

/* 品牌视觉体系 */
.story-visual {
    margin-bottom: 60px;
    text-align: center;
    padding: 40px 0;
}

.visual-desc {
    color: var(--text-secondary);
    font-size: 16px;
    max-width:  900px;
    margin: 0 auto 24px;
    line-height: 1.9;
}

.visual-img {
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    }

/* 品牌愿景 */
.story-vision {
    max-width:  900px;
    margin: 0 auto;
    text-align: center;
}

.story-vision .subsection-title {
    margin-bottom: 16px;
}

.story-vision p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 2;
}


@media (max-width: 1024px) {
.scenes-grid,
    .invest-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tech-grid {
        grid-template-columns: 1fr;
    }
    .support-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(13,13,13,0.98);
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    .nav-links.open {
        display: flex;
    }
    .hero-title {
        font-size: 48px;
        letter-spacing: 4px;
    }
    .hero-lightning {
        font-size: 48px;
    }
    .hero-slogan {
        font-size: 22px;
    }
    .section-title {
        font-size: 28px;
    }
    .section {
        padding: 60px 0;
    }
.scenes-grid,
    .products-grid,
    .invest-stats,
    .support-grid,
    .channel-row {
        grid-template-columns: 1fr;
    }
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hotline-number {
        font-size: 26px;
    }
    .core-claim {
        font-size: 22px;
    }
}

/* ===== 移动端响应式补充 ===== */
@media (max-width: 768px) {
    .hero-logo-img {
        width: 56px;
        height: 56px;
    }
    .hero-img {
        width: 92%;
        max-width: 640px;
    }
    .hero-brand {
        flex-direction: column;
        gap: 12px;
    }
    .hero-title {
        font-size: 36px !important;
    }
    .product-img {
        height: 240px;
        padding: 16px;
    }
    .product-placeholder {
        height: 240px;
    }
    .logo-img {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px !important;
        letter-spacing: 2px !important;
    }
    .hero-slogan {
        font-size: 18px !important;
    }
    .hero-img {
        width: 95%;
        max-width: 530px;
    }
    .product-img {
        height: 200px;
        padding: 12px;
    }
}

.section {
    padding: 90px 0;
}

.section + .section {
    border-top: 1px solid rgba(255,255,255,0.03);
}

/* 产品卡片等高 */
.products-grid {
    align-items: stretch;
}

.product-card {
    display: flex;
    flex-direction: column;
}

.product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-btn {
    margin-top: auto;
}

/* 技术卡片等高 */
.tech-grid {
    align-items: stretch;
}

.tech-card {
    display: flex;
    flex-direction: column;
}

/* 场景卡片等高 */
.scenes-grid {
    align-items: stretch;
}

.scene-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 招商数据等高 */
.invest-stats {
    align-items: stretch;
}

/* ===== 全局排版统一 ===== */
.section-desc,
.story-origin .story-text,
.story-vision,
.visual-desc {
    max-width: 900px !important;
    margin-left: auto;
    margin-right: auto;
}

/* ICP备案链接 */
.site-footer .icp {
    margin-top: 8px;
}

.site-footer .icp a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

.site-footer .icp a:hover {
    color: var(--brand-yellow);
}

/* ICP备案图标 */
.site-footer .icp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.site-footer .icp-icon {
    width: 14px;
    height: 14px;
    vertical-align: middle;
}