/* ============================================================
   大成软件企业官网 - 主样式表
   设计风格对齐参考网站 http://172.168.1.51:3001/
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
    --color-primary: #1565C0;
    --color-primary-dark: #0D47A1;
    --color-primary-light: #42A5F5;
    --color-primary-lighter: #90CAF9;
    --color-primary-bg: #E3F2FD;

    --color-accent: #00838F;
    --color-accent-dark: #006064;
    --color-accent-light: #00ACC1;
    --color-accent-bg: #E0F7FA;

    --color-warning: #F57C00;
    --color-warning-light: #FFB74D;

    --color-danger: #E53935;

    --color-text: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-light: #9CA3AF;

    --color-bg: #F5F7FA;
    --color-bg-white: #FFFFFF;
    --color-border: #E0E0E0;
    --color-border-light: #F5F5F5;

    --font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "\u5fae\u8f6f\u96c5\u9ed1", Arial, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 28px;
    --font-size-4xl: 36px;

    --shadow-sm: 0 2px 8px rgba(21, 101, 192, 0.08);
    --shadow-md: 0 4px 16px rgba(21, 101, 192, 0.16);
    --shadow-lg: 0 8px 32px rgba(21, 101, 192, 0.2);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-round: 20px;
    --radius-circle: 100%;

    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;

    --container-max: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    font-family: inherit;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Section --- */
.section {
    padding: 80px 0;
}

/* --- Section Title --- */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: var(--font-size-4xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.section-title p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-top: 20px;
}

.section-more {
    text-align: center;
    margin-top: 40px;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(21, 101, 192, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.logo:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    padding: 8px 16px;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
}

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

.nav-item.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
}

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

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Video Background */
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.7), rgba(13, 71, 161, 0.8), rgba(0, 131, 143, 0.75));
}

.video-bg-controls {
    position: absolute;
    bottom: 30px;
    right: 30px;
    display: flex;
    gap: 10px;
    z-index: 2;
}

.control-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease forwards;
}

.hero-title .text-gradient {
    background: linear-gradient(135deg, #fff, #90CAF9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: #fff;
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.8;
    letter-spacing: 3px;
    animation: fadeInUp 0.6s ease 0.1s forwards, glow-pulse 3s ease-in-out infinite;
    opacity: 0;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: #fff;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.75);
    margin-top: 4px;
}

/* Hero Actions */
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

/* Hero Scroll */
.hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-xs);
    animation: pulse 2s ease infinite;
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll svg {
    animation: pulse 2s ease infinite;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    font-size: var(--font-size-md);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(21, 101, 192, 0.3);
}

.btn-primary::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(66, 165, 245, 0.3);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: #fff;
    font-size: var(--font-size-md);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(0, 131, 143, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 131, 143, 0.4);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    background: transparent;
    color: var(--color-primary);
    font-size: var(--font-size-md);
    font-weight: 500;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-white {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.8);
}

.btn-outline-white:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

.btn-highlight {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--color-warning), var(--color-warning-light));
    color: #fff;
    font-size: var(--font-size-md);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(245, 124, 0, 0.3);
}

.btn-highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 124, 0, 0.4);
}

.link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: var(--transition);
}

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

/* =========================================
   PRODUCT CARDS
   ========================================= */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    box-shadow: 0 2px 8px rgba(21, 101, 192, 0.08);
    transition: var(--transition);
    text-align: center;
}

.product-card:hover {
    box-shadow: 0 4px 16px rgba(21, 101, 192, 0.12);
    transform: translateY(-8px);
}

.product-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    color: var(--color-primary);
}

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

.product-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.product-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

/* =========================================
   SOLUTION CARDS
   ========================================= */
.section-solutions {
    background: var(--color-bg);
}

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

.solution-grid .solution-card:nth-child(-n+2) {
    grid-column: span 1;
}

.solution-grid .solution-card:nth-child(3),
.solution-grid .solution-card:nth-child(4),
.solution-grid .solution-card:nth-child(5) {
    grid-column: span 1;
}

.solution-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.solution-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.solution-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: var(--color-primary-bg);
}

.solution-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.solution-tag,
.solution-tag-link {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--color-primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.solution-tag-link {
    text-decoration: none;
}

.solution-card h3 {
    padding: 20px 20px 8px;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.solution-card p {
    padding: 0 20px 16px;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.solution-card .link-more {
    margin: 0 20px 20px;
}

/* =========================================
   CASES SECTION
   ========================================= */
.cases-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}

.case-highlight {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.case-highlight-img {
    width: 100%;
    height: 360px;
    overflow: hidden;
}

.case-highlight-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-highlight:hover .case-highlight-img img {
    transform: scale(1.05);
}

.case-highlight-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: linear-gradient(135deg, var(--color-warning), var(--color-warning-light));
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.case-highlight-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: #fff;
}

.case-highlight-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 8px;
}

.case-highlight-info p {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
}

.case-highlight-info .link-more {
    color: #fff;
}

.case-grid {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: 16px;
}

.case-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.case-img {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.case-cat {
    display: inline-block;
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-primary-bg);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
}

.case-card h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 4px;
}

.case-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* =========================================
   NEWS SECTION
   ========================================= */
.section-news {
    background: var(--color-bg);
}

/* =========================================
   NEWS TIMELINE SECTION
   ========================================= */
.news-timeline-section {
    background: #fff;
    padding: 60px 0 80px;
}

.timeline-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline-item {
    display: flex;
    align-items: stretch;
    padding: 32px 40px;
    border-bottom: 1px solid #eef0f4;
    transition: background-color 0.25s ease;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-item:hover {
    background-color: #f8fafc;
}

/* Date column */
.tl-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    padding-right: 32px;
    flex-shrink: 0;
    user-select: none;
}

.tl-day {
    font-size: 36px;
    font-weight: 700;
    color: #1a2332;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.tl-month {
    font-size: 14px;
    color: #8896a7;
    margin-top: 4px;
    font-weight: 500;
}

/* Body (image + info) */
.tl-body {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    text-decoration: none;
    color: inherit;
    flex: 1;
    min-width: 0;
}

/* Thumbnail */
.tl-thumb {
    width: 200px;
    height: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
    background: #f0f3f7;
}

.tl-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.timeline-item:hover .tl-thumb img {
    transform: scale(1.06);
}

/* Info text */
.tl-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 4px;
}

.tl-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: #1565c0;
    line-height: 1.55;
    margin-bottom: 10px;
    transition: color 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.timeline-item:hover .tl-info h3 {
    color: #0d47a1;
}

.tl-info p {
    font-size: 14px;
    color: #5a6675;
    line-height: 1.75;
    margin-bottom: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.tl-more {
    font-size: 13px;
    color: #1565c0;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: transform 0.2s ease, color 0.2s ease;
    display: inline-block;
}

.timeline-item:hover .tl-more {
    transform: translateX(4px);
    color: #0d47a1;
}

/* =========================================
   ABOUT SECTION
   ========================================= */
.section-about {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.9), rgba(13, 71, 161, 0.95), rgba(0, 131, 143, 0.85));
    color: #fff;
}

.section-about .section-title h2 {
    color: #fff;
}

.section-about .section-title h2::after {
    background: linear-gradient(135deg, #fff, var(--color-primary-lighter));
}

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

.about-desc {
    font-size: var(--font-size-md);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.value-item {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 24px;
    backdrop-filter: blur(10px);
}

.value-item h4 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.value-item p {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.85);
}

.section-about .link-more {
    color: #fff;
    margin-bottom: 40px;
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.about-stats .stat-number {
    font-size: 36px;
}

/* =========================================
   CTA SECTION
   ========================================= */
.section-cta {
    background: var(--color-bg);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background: #1a1f36;
    color: rgba(255, 255, 255, 0.7);
}

.footer-gradient-line {
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-warning));
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding: 60px 0 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 16px;
}

.footer-logo .logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-primary-light);
    margin-bottom: 12px;
}

.footer-desc {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--color-primary-light);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: rgba(255, 255, 255, 0.4);
}

.follow-title {
    margin-top: 20px;
}

.follow-btns {
    display: flex;
    gap: 16px;
}

.follow-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-xs);
}

.follow-btn:hover {
    color: var(--color-primary-light);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: 12px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--color-primary-light);
}

.footer-legal span {
    color: rgba(255, 255, 255, 0.2);
}

/* =========================================
   PAGE BANNER (Subpages)
   ========================================= */
.page-banner {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.9), rgba(13, 71, 161, 0.95), rgba(0, 131, 143, 0.85));
    padding: 120px 0 60px;
    text-align: center;
    color: #fff;
}

.page-banner-news {
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.9), rgba(21, 101, 192, 0.95), rgba(0, 131, 143, 0.85));
}

.page-banner h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-banner p {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.8);
}

/* =========================================
   UTILITY CLASSES
   ========================================= */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.1), rgba(66, 165, 245, 0.05));
    border: 1px solid rgba(21, 101, 192, 0.2);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card-primary {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(21, 101, 192, 0.08);
    transition: var(--transition);
}

.card-primary:hover {
    box-shadow: 0 4px 16px rgba(21, 101, 192, 0.12);
    transform: translateY(-8px);
}

.banner-gradient {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.9), rgba(13, 71, 161, 0.95), rgba(0, 131, 143, 0.85));
}

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

@keyframes glow-pulse {
    0%, 100% { text-shadow: 0 2px 12px rgba(255,255,255,0.2), 0 0 30px rgba(21,101,192,0.15); }
    50% { text-shadow: 0 2px 20px rgba(255,255,255,0.35), 0 0 50px rgba(21,101,192,0.3); }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes flowLine {
    0% {
        stroke-dashoffset: 1000;
    }
    to {
        stroke-dashoffset: 0;
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

/* =========================================
   CONTACT DIALOG
   ========================================= */
.contact-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-dialog {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.contact-dialog h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-dialog > p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.dialog-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.dialog-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-timeline-section {
        padding: 40px 0 60px;
    }

    .timeline-item {
        padding: 24px 28px;
    }

    .tl-date {
        min-width: 64px;
        padding-right: 20px;
    }

    .tl-day {
        font-size: 30px;
    }

    .tl-thumb {
        width: 160px;
        height: 100px;
    }

    .tl-info h3 {
        font-size: 15px;
    }

    .cases-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Section */
    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .section-title {
        margin-bottom: 40px;
    }

    /* Header */
    .header-content {
        height: 56px;
    }

    .logo-img {
        height: 32px;
    }

    .nav {
        position: fixed;
        top: 56px;
        left: 0;
        width: 100%;
        background: var(--color-bg-white);
        flex-direction: column;
        padding: 16px 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-item {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }

    .nav-toggle {
        display: flex;
    }

    /* Hero */
    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-accent, .btn-outline, .btn-highlight {
        padding: 12px 28px;
        font-size: var(--font-size-base);
    }

    /* Products */
    .product-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Solutions */
    .solution-grid {
        grid-template-columns: 1fr;
    }

    /* Cases */
    .case-highlight-img {
        height: 240px;
    }

    /* News Timeline */
    .news-timeline-section {
        padding: 30px 0 50px;
    }

    .timeline-item {
        flex-direction: column;
        gap: 16px;
        padding: 20px 16px;
    }

    .tl-date {
        flex-direction: row;
        min-width: auto;
        padding-right: 0;
        gap: 8px;
        align-items: baseline;
    }

    .tl-day {
        font-size: 26px;
    }

    .tl-month {
        font-size: 13px;
        margin-top: 0;
    }

    .tl-body {
        flex-direction: column;
        gap: 14px;
    }

    .tl-thumb {
        width: 100%;
        height: 180px;
    }

    .tl-info h3 {
        font-size: 15px;
        -webkit-line-clamp: unset;
        display: block;
    }

    .tl-info p {
        -webkit-line-clamp: 3;
    }

    /* About */
    .about-values {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: 30px;
    }

    /* CTA */
    .cta-content h2 {
        font-size: 28px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Page Banner */
    .page-banner {
        padding: 100px 0 40px;
    }

    .page-banner h1 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
        letter-spacing: 1.5px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .case-grid {
        grid-template-rows: auto;
    }

    .case-card {
        flex-direction: column;
        text-align: center;
    }

    .case-img {
        width: 100%;
        height: 120px;
    }
}