/* ==================== 
   悟匠科技官网 - 科技感全局样式
   ==================== */

/* CSS变量 - 科技感色系 */
:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --primary-deeper: #006688;
    --primary-light: #66e5ff;
    --accent: #7b61ff;
    --accent-dark: #5a3fd6;
    --neon-cyan: #00f0ff;
    --neon-purple: #b14aed;
    --dark: #0a0e1a;
    --dark-card: #111827;
    --dark-surface: #1a1f35;
    --text: #e8eaf6;
    --text-light: #9ca3af;
    --text-muted: #6b7280;
    --bg: #0a0e1a;
    --bg-light: #0f1325;
    --bg-surface: #141a2e;
    --border: rgba(0, 212, 255, 0.12);
    --border-hover: rgba(0, 212, 255, 0.35);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-purple: 0 0 20px rgba(123, 97, 255, 0.3);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 8px 40px rgba(0, 212, 255, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 10px;
    --radius-lg: 16px;
    --container: 1200px;
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

ul, ol { list-style: none; }

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* 容器 */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 
   按钮样式 - 科技感
   ==================== */
.btn-login,
.btn-register {
    padding: 8px 22px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-login {
    color: var(--primary);
    border: 1px solid rgba(0, 212, 255, 0.3);
    background: transparent;
}

.btn-login:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary);
    box-shadow: var(--glow-cyan);
}

.btn-register {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    margin-left: 10px;
    border: none;
}

.btn-register:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.btn-hero-primary {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 4px 25px rgba(0, 212, 255, 0.3);
    text-align: center;
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 35px rgba(0, 212, 255, 0.5);
}

.btn-hero-outline {
    display: inline-block;
    padding: 14px 40px;
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition);
    margin-left: 16px;
    text-align: center;
}

.btn-hero-outline:hover {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.06);
    box-shadow: var(--glow-cyan), inset 0 0 20px rgba(0, 212, 255, 0.04);
    color: var(--primary-light);
}

.btn-glow {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 25px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: btnShine 3s infinite;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.5);
}

@keyframes btnShine {
    0% { transform: rotate(45deg) translateX(-100%); }
    30%, 100% { transform: rotate(45deg) translateX(100%); }
}

/* 通用板块标题 - 科技感 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header.light {
    color: white;
}

.section-header.light .section-label {
    color: rgba(0, 212, 255, 0.6);
}

.section-header.light .section-desc {
    color: rgba(255,255,255,0.6);
}

.section-label {
    display: block;
    font-size: 12px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 12px;
    font-weight: 500;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text);
    position: relative;
    display: inline-block;
    padding-bottom: 18px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.light .section-title {
    color: white;
}

.light .section-title::after {
    background: linear-gradient(90deg, var(--primary), var(--neon-cyan));
}

.section-desc {
    margin-top: 18px;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== 
   顶部导航栏 - 毛玻璃
   ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 14, 26, 0.95);
    border-bottom-color: var(--border-hover);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-main {
    padding: 12px 0;
    transition: padding var(--transition);
}

.header.scrolled .header-main {
    padding: 6px 0;
}

.header-main-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
    transition: height var(--transition);
}

.header.scrolled .header-main-content {
    height: 48px;
}

.header.scrolled .logo-img {
    height: 36px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
    transition: var(--transition);
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.25));
}

.logo:hover .logo-img {
    transform: scale(1.04);
    filter: drop-shadow(0 0 14px rgba(0, 212, 255, 0.55)) brightness(1.1);
}

/* 导航菜单 - 科技感 */
.nav-list {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-link {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 1px;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.nav-item.active .nav-link,
.nav-link:hover {
    color: var(--primary);
}

.nav-item.active .nav-link::after,
.nav-link:hover::after {
    width: 100%;
}

/* 右侧区域 */
.header-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
    margin-right: 10px;
}

.header-phone svg {
    stroke: var(--primary);
}

.header-phone span {
    color: var(--text-light);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
    border-radius: 1px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background: var(--primary);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background: var(--primary);
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 8, 16, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    padding: 100px 30px 30px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.mobile-nav-link {
    display: block;
    padding: 15px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    opacity: 0;
    transform: translateX(30px);
}

.mobile-menu.active .mobile-nav-link {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu.active .mobile-nav-item:nth-child(1) .mobile-nav-link { transition-delay: 0.05s; }
.mobile-menu.active .mobile-nav-item:nth-child(2) .mobile-nav-link { transition-delay: 0.1s; }
.mobile-menu.active .mobile-nav-item:nth-child(3) .mobile-nav-link { transition-delay: 0.15s; }
.mobile-menu.active .mobile-nav-item:nth-child(4) .mobile-nav-link { transition-delay: 0.2s; }
.mobile-menu.active .mobile-nav-item:nth-child(5) .mobile-nav-link { transition-delay: 0.25s; }

.mobile-nav-link:hover {
    color: var(--primary);
    padding-left: 10px;
}

/* ==================== 
   Hero Banner区域 - 科技粒子背景
   ==================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 650px;
    max-height: 950px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(123, 97, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(0, 100, 150, 0.2) 0%, transparent 50%),
        linear-gradient(180deg, #070b14 0%, #0d1526 40%, #0a1628 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* Hero内容 */
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 20px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--primary);
    margin-bottom: 30px;
    background: rgba(0, 212, 255, 0.06);
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-title-line {
    display: block;
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 40px;
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 16px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 22px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: var(--transition);
    white-space: nowrap;
}

.hero-tag:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.15);
}

.hero-tag-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 5px var(--primary); }
    50% { box-shadow: 0 0 15px var(--primary), 0 0 30px rgba(0, 212, 255, 0.3); }
}

.hero-cta {
    animation: fadeInUp 0.8s ease 0.3s both;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-cta .btn-hero-outline {
    margin-left: 0;
}

/* 向下滚动提示 */
.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.hero-scroll span {
    font-size: 10px;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.35);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollLine 2s infinite;
    transform-origin: top center;
}

@keyframes scrollLine {
    0% { opacity: 0; transform: scaleY(0); }
    30% { opacity: 1; transform: scaleY(1); }
    80% { opacity: 0.5; transform: scaleY(1) translateY(10px); }
    100% { opacity: 0; transform: scaleY(1) translateY(20px); }
}

/* ==================== 
   产品服务板块 - 深色科技卡片
   ==================== */
.services {
    padding: 100px 0 90px;
    background: linear-gradient(180deg, var(--bg) 0%, #0b1120 100%);
    position: relative;
}

.services-bg-decor {
    position: absolute;
    top: 0;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

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

.service-card {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card-glow {
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(123, 97, 255, 0.2));
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
    filter: blur(15px);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.1);
}

.service-card:hover .service-card-glow {
    opacity: 1;
}

.service-card-header {
    padding: 30px 25px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 97, 255, 0.08) 100%);
    color: white;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.service-card:nth-child(2) .service-card-header {
    background: linear-gradient(135deg, rgba(123, 97, 255, 0.12) 0%, rgba(177, 74, 237, 0.08) 100%);
}

.service-card:nth-child(3) .service-card-header {
    background: linear-gradient(135deg, rgba(177, 74, 237, 0.1) 0%, rgba(240, 147, 251, 0.06) 100%);
}

.service-card:nth-child(4) .service-card-header {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(0, 212, 255, 0.06) 100%);
}

.service-card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card:nth-child(2) .service-card-icon {
    background: rgba(123, 97, 255, 0.12);
    border-color: rgba(123, 97, 255, 0.2);
}

.service-card:nth-child(3) .service-card-icon {
    background: rgba(177, 74, 237, 0.12);
    border-color: rgba(177, 74, 237, 0.2);
}

.service-card:nth-child(4) .service-card-icon {
    background: rgba(0, 240, 255, 0.12);
    border-color: rgba(0, 240, 255, 0.2);
}

.service-card-icon svg {
    stroke: var(--primary);
    transition: transform 0.4s ease;
}

.service-card:hover .service-card-icon {
    transform: translateY(-4px);
}

.service-card:nth-child(2) .service-card-icon svg {
    stroke: var(--accent);
}

.service-card:nth-child(3) .service-card-icon svg {
    stroke: var(--neon-purple);
}

.service-card:nth-child(4) .service-card-icon svg {
    stroke: var(--neon-cyan);
}

.service-card-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.service-card-subtitle {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.5px;
}

.service-card-body {
    padding: 22px 25px;
    background: var(--dark-card);
    flex: 1;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.service-list li {
    font-size: 13px;
    color: var(--text-light);
    padding-left: 18px;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(0, 212, 255, 0.4);
}

.service-card:nth-child(2) .service-list li::before {
    background: var(--accent);
    box-shadow: 0 0 6px rgba(123, 97, 255, 0.4);
}

.service-card:nth-child(3) .service-list li::before {
    background: var(--neon-purple);
    box-shadow: 0 0 6px rgba(177, 74, 237, 0.4);
}

.service-card:nth-child(4) .service-list li::before {
    background: var(--neon-cyan);
    box-shadow: 0 0 6px rgba(0, 240, 255, 0.4);
}

/* ==================== 
   解决方案板块 - 深色+网格背景
   ==================== */
.solutions {
    padding: 100px 0;
    background: linear-gradient(180deg, #060a14 0%, #0d1526 50%, #0a1020 100%);
    position: relative;
    overflow: hidden;
}

.solutions-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.solutions-slider-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 50px;
}

.solutions-slider {
    flex: 1;
    overflow: hidden;
}

.solutions-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    transition: transform 0.5s ease;
}

.solution-card {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.1);
}

.solution-card-image {
    height: 160px;
    overflow: hidden;
    position: relative;
}

.solution-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s ease;
}

.solution-card:hover .solution-image-placeholder {
    transform: scale(1.05);
}

.solution-img-1 {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(123, 97, 255, 0.15) 100%);
}

.solution-img-2 {
    background: linear-gradient(135deg, rgba(123, 97, 255, 0.15) 0%, rgba(177, 74, 237, 0.15) 100%);
}

.solution-img-3 {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15) 0%, rgba(0, 212, 255, 0.1) 100%);
}

.solution-img-4 {
    background: linear-gradient(135deg, rgba(67, 233, 123, 0.12) 0%, rgba(56, 249, 215, 0.1) 100%);
}

.solution-img-icon {
    opacity: 0.6;
}

.solution-card-content {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-card-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.solution-card-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.solution-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
}

.solution-link:hover {
    color: var(--primary-light);
    gap: 10px;
}

.solution-link .arrow {
    transition: var(--transition);
}

/* 轮播按钮 */
.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    opacity: 0;
    pointer-events: none;
}

/* 当 slidesPerView < totalSlides 时由 JS 控制显示 */
.slider-btn.visible {
    opacity: 1;
    pointer-events: auto;
}

.slider-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: var(--glow-cyan);
}

.slider-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

/* 解决方案CTA */
.solutions-cta {
    text-align: center;
    color: rgba(255,255,255,0.6);
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(0, 212, 255, 0.08);
}

.solutions-cta p {
    margin-bottom: 24px;
    font-size: 15px;
    letter-spacing: 0.5px;
}

/* ==================== 
   合作伙伴板块 - 深色数据统计
   ==================== */
.partners {
    padding: 100px 0 80px;
    background: var(--bg-light);
    position: relative;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

/* 数据统计 */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
    padding: 40px;
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.stats-row::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--neon-cyan));
}

.stat-item {
    text-align: center;
    color: white;
    padding: 16px 10px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 40%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--border-hover), transparent);
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.08);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.stat-icon svg {
    stroke: var(--primary);
}

.stat-item:nth-child(2) .stat-icon { background: rgba(123, 97, 255, 0.1); border-color: rgba(123, 97, 255, 0.2); }
.stat-item:nth-child(2) .stat-icon svg { stroke: var(--accent); }
.stat-item:nth-child(2) .stat-number { background: linear-gradient(135deg, var(--accent), var(--neon-purple)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.stat-item:nth-child(3) .stat-icon { background: rgba(67, 233, 123, 0.1); border-color: rgba(67, 233, 123, 0.2); }
.stat-item:nth-child(3) .stat-icon svg { stroke: #43e97b; }
.stat-item:nth-child(3) .stat-number { background: linear-gradient(135deg, #43e97b, #38f9d7); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.stat-item:nth-child(4) .stat-icon { background: rgba(240, 147, 251, 0.1); border-color: rgba(240, 147, 251, 0.2); }
.stat-item:nth-child(4) .stat-icon svg { stroke: #f093fb; }
.stat-item:nth-child(4) .stat-number { background: linear-gradient(135deg, #f093fb, #f5576c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.stat-number {
    font-size: 44px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-number span {
    font-size: 24px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    letter-spacing: 0.5px;
}

/* 合作伙伴Logo墙 */
.partners-logos {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    background: var(--dark-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,0.35);
    transition: var(--transition);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.partner-logo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.04), rgba(123, 97, 255, 0.04));
    opacity: 0;
    transition: var(--transition);
}

.partner-logo:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--primary);
    box-shadow: 0 6px 24px rgba(0, 212, 255, 0.1);
}

.partner-logo:hover::before {
    opacity: 1;
}

/* ==================== 
   新闻资讯板块 - 深色主题
   ==================== */
.news {
    padding: 100px 0;
    background: var(--bg);
    position: relative;
}

.news::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

/* Tab标签 */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 40px;
    background: var(--dark-card);
    border-radius: 10px;
    padding: 4px;
    border: 1px solid var(--border);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.news-tab {
    padding: 10px 28px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    border-radius: 7px;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.news-tab:hover {
    color: var(--primary);
}

.news-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

/* 新闻内容 */
.news-content {
    position: relative;
    min-height: 300px;
}

.news-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.news-panel.active {
    display: block;
}

.news-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

/* 特色新闻 */
.news-featured {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.news-featured:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 30px rgba(0, 212, 255, 0.08);
}

.news-featured-image {
    height: 220px;
    overflow: hidden;
}

.news-image-placeholder {
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.news-featured:hover .news-image-placeholder {
    transform: scale(1.05);
}

.news-featured .news-img-1 {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.12) 0%, rgba(123, 97, 255, 0.12) 100%);
}

.news-featured-content {
    padding: 25px;
}

.news-tag-label {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 4px;
    font-size: 11px;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.news-featured-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.news-featured-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.news-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

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

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.news-item {
    display: flex;
    gap: 15px;
    padding: 18px;
    background: var(--dark-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    align-items: center;
}

.news-item:hover {
    transform: translateX(5px);
    border-color: var(--border-hover);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.06);
}

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 55px;
    height: 55px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 97, 255, 0.08));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius);
    text-align: center;
    flex-shrink: 0;
}

.news-day {
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    color: var(--primary);
}

.news-month {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 2px;
}

.news-item-content {
    flex: 1;
    min-width: 0;
}

.news-item-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.news-item-content p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

.news-placeholder {
    text-align: center;
    padding: 60px;
    color: var(--text-muted);
    font-size: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ==================== 
   页脚 - 深空主题
   ==================== */
.footer {
    background: #060810;
    color: white;
    position: relative;
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.footer-main {
    padding: 70px 0 50px;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.footer-brand {
    padding-right: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-brand-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    line-height: 1.8;
    margin-bottom: 22px;
}

.footer-logo-img {
    height: 64px;
    width: auto;
    display: block;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.2));
    transition: var(--transition);
}

.footer-logo:hover .footer-logo-img {
    filter: drop-shadow(0 0 16px rgba(0, 212, 255, 0.5)) brightness(1.1);
    transform: scale(1.03);
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    line-height: 1.5;
}

.footer-contact-info svg {
    flex-shrink: 0;
    stroke: var(--primary);
    opacity: 0.6;
}

/* 链接分组 */
.footer-links-group h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text);
    position: relative;
    padding-bottom: 12px;
}

.footer-links-group h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

.footer-links-group ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-group a {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    transition: var(--transition);
}

.footer-links-group a:hover {
    color: var(--primary);
    padding-left: 5px;
}

/* 底部版权 */
.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(0, 212, 255, 0.06);
}

.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.25);
}

.back-to-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.15);
    color: rgba(255,255,255,0.3);
    transition: var(--transition);
}

.back-to-top:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}

/* ==================== 
   动画
   ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 滚动显示动画 */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 
   响应式设计
   ==================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        align-items: stretch;
    }
    
    .solutions-track {
        display: flex;
        gap: 24px;
    }

    .solution-card {
        flex: 0 0 calc(50% - 12px);
        min-width: 0;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item:nth-child(2)::after {
        display: none;
    }
    
    .partners-logos {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .news-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        align-items: start;
    }
}

@media (max-width: 768px) {
    .nav,
    .header-right {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        min-height: 550px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-tag {
        font-size: 13px;
        padding: 10px 18px;
    }

    .hero-cta {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .btn-hero-outline {
        margin-left: 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-track {
        display: flex;
    }

    .solution-card {
        flex: 0 0 calc(100% - 10px);
        min-width: 0;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 25px;
    }
    
    .stat-number {
        font-size: 32px;
    }

    .stat-item:nth-child(2)::after {
        display: block;
    }

    .stat-item:nth-child(1)::after,
    .stat-item:nth-child(3)::after {
        display: none;
    }
    
    .partners-logos {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .news-tabs {
        flex-wrap: wrap;
        width: 100%;
    }
    
    .news-tab {
        flex: 1;
        min-width: 80px;
        text-align: center;
        padding: 8px 15px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .solutions-slider-wrapper {
        flex-direction: column;
        gap: 15px;
    }
    
    .slider-btn {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .partners-logos {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-number {
        font-size: 28px;
    }

    .hero-title {
        font-size: 26px;
    }
}