/* =====================================================
   佶益AI科技 — 深色字节跳动风格
   GEO/EEAT 优化企业官网
   色彩体系：ByteDance暗色系 + 蓝紫渐变科技感
   ===================================================== */

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
    background: #0A0A12;
    color: #E2E8F0;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== 炫丽背景系统 ===== */
html {
    min-height: 100%;
}
body {
    background:
        /* 第一层：深空底色 */
        #050508,
        /* 第二层：左侧紫色星云光晕 */
        radial-gradient(ellipse 800px 600px at 0% 30%,
            rgba(124, 58, 237, 0.20) 0%,
            transparent 70%),
        /* 第三层：右上蓝色星云光晕 */
        radial-gradient(ellipse 900px 700px at 100% 10%,
            rgba(30, 144, 255, 0.18) 0%,
            transparent 70%),
        /* 第四层：右下青色星云光晕 */
        radial-gradient(ellipse 700px 500px at 80% 80%,
            rgba(0, 240, 255, 0.12) 0%,
            transparent 60%),
        /* 第五层：中部洋红光晕 */
        radial-gradient(ellipse 600px 400px at 50% 50%,
            rgba(236, 72, 153, 0.06) 0%,
            transparent 60%),
        /* 第六层：底部紫色光晕 */
        radial-gradient(ellipse 500px 400px at 20% 90%,
            rgba(168, 85, 247, 0.10) 0%,
            transparent 60%);
    background-blend-mode: normal, normal, normal, normal, normal;
    background-attachment: fixed;
    background-size: 100% 100%;
}

/* 微颗粒纹理（字节跳动风格科技感） */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}
::selection { background: rgba(30, 144, 255, 0.3); color: #fff; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #FFFFFF; }

.section { padding: 100px 0; }
.section-bg-alt {
    background: rgba(255,255,255,0.015);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: #1E90FF;
    text-transform: uppercase;
    margin-bottom: 12px;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(30, 144, 255, 0.08);
    border: 1px solid rgba(30, 144, 255, 0.15);
}
.section-title { font-size: 2.5rem; margin-bottom: 16px; }
.section-desc { color: #94A3B8; font-size: 1.1rem; max-width: 640px; margin: 0 auto; }
.gradient-text {
    background: linear-gradient(135deg, #1E90FF, #00F0FF, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-text-blue {
    background: linear-gradient(135deg, #1E90FF, #00F0FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-text-purple {
    background: linear-gradient(135deg, #7C3AED, #1E90FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: 10px;
    font-weight: 600; font-size: 0.95rem;
    cursor: pointer; transition: all 0.3s ease;
    border: none; outline: none; text-decoration: none;
    font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    color: #fff;
    box-shadow: 0 4px 20px rgba(30, 144, 255, 0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(30, 144, 255, 0.5);
}
.btn-outline {
    background: transparent; color: #E2E8F0;
    border: 1.5px solid rgba(255,255,255,0.15);
}
.btn-outline:hover { border-color: #1E90FF; color: #1E90FF; }
.btn-outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.25); }
.btn-outline-light:hover { border-color: #00F0FF; color: #00F0FF; }
.btn-lg { padding: 14px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Glass Card ===== */
.glass-card {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
}

/* Glow effect */
.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}
.glow-blue { background: rgba(30, 144, 255, 0.15); }
.glow-purple { background: rgba(124, 58, 237, 0.12); }
.glow-cyan { background: rgba(0, 240, 255, 0.1); }

/* ===== Header/Nav ===== */
.site-header {
    position: fixed; top: 0; left: 0; width: 100%;
    background: rgba(5, 5, 8, 0.75);
    backdrop-filter: blur(30px) saturate(1.2);
    -webkit-backdrop-filter: blur(30px) saturate(1.2);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(30,144,255,0.2), transparent);
}
.nav-container {
    max-width: 1200px; margin: 0 auto;
    padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center;
    height: 72px;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.25rem; font-weight: 700; color: #fff;
}
.nav-logo .logo-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-menu { display: flex; gap: 4px; align-items: center; }
.nav-menu a {
    padding: 8px 16px; border-radius: 8px;
    font-size: 0.9rem; font-weight: 500; color: #94A3B8;
    transition: all 0.25s ease;
}
.nav-menu a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav-menu a.active {
    color: #1E90FF;
    background: rgba(30, 144, 255, 0.1);
}
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
    display: block; width: 24px; height: 2px;
    background: #E2E8F0; border-radius: 2px;
    transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
    padding: 140px 0 80px;
    background: transparent;
    position: relative; overflow: hidden;
}
/* 动态浮动光晕 */
.hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -100px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(30,144,255,0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: floatGlow 8s ease-in-out infinite alternate;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -200px; left: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: floatGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.05); }
    100% { transform: translate(-20px, 20px) scale(0.95); }
}
.hero .container {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center;
    position: relative; z-index: 1;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 20px;
    background: rgba(30,144,255,0.1);
    border: 1px solid rgba(30,144,255,0.2);
    color: #1E90FF; font-size: 0.8rem; font-weight: 600;
    margin-bottom: 24px;
}
.hero-badge i { font-size: 0.7rem; }
.hero-title { font-size: 3.5rem; line-height: 1.15; margin-bottom: 20px; color: #fff; }
.hero-subtitle { font-size: 1.15rem; color: #94A3B8; max-width: 520px; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 50px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 2rem; font-weight: 800; color: #fff; }
.stat-label { font-size: 0.85rem; color: #64748B; }

/* Hero Visual */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-glow {
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(30,144,255,0.12) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-image-container {
    width: 100%; max-width: 420px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.hero-image { width: 100%; height: auto; display: block; transition: transform 0.5s ease; }
.hero-image:hover { transform: scale(1.03); }
.hero-image-placeholder {
    display: none;
    width: 100%; aspect-ratio: 4/3;
    background: linear-gradient(135deg, #12121A, #1A1A26);
    border-radius: 20px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border: 1px solid rgba(255,255,255,0.06);
}
.hero-image-placeholder i {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-image-placeholder span { color: #64748B; font-size: 1rem; font-weight: 500; letter-spacing: 2px; }

/* ===== Services Grid ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.service-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #1E90FF, transparent);
    opacity: 0;
    transition: opacity 0.35s;
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(30,144,255,0.2);
    background: rgba(255,255,255,0.04);
    box-shadow: 0 12px 40px rgba(30,144,255,0.08);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: linear-gradient(135deg, rgba(30,144,255,0.12), rgba(124,58,237,0.12));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: #1E90FF;
    margin-bottom: 20px;
    transition: all 0.3s;
}
.service-card:hover .service-icon {
    background: linear-gradient(135deg, rgba(30,144,255,0.2), rgba(124,58,237,0.2));
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.service-subtitle { font-size: 0.8rem; color: #1E90FF; margin-bottom: 8px; }
.service-desc { color: #94A3B8; font-size: 0.9rem; margin-bottom: 16px; line-height: 1.6; }
.service-link { color: #1E90FF; font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 6px; }
.service-card:hover .service-link i { transform: translateX(4px); }

/* ===== Why Us ===== */
.section-why {
    background: rgba(0,0,0,0.2);
    position: relative;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.section-why .section-title { color: #fff; }
.section-why .section-tag { color: #1E90FF; background: rgba(30,144,255,0.08); }
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.why-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.35s;
    position: relative;
    overflow: hidden;
}
.why-card:hover {
    background: rgba(255,255,255,0.04);
    transform: translateY(-4px);
    border-color: rgba(30,144,255,0.15);
}
.why-number {
    font-size: 2.5rem; font-weight: 800;
    background: linear-gradient(135deg, rgba(30,144,255,0.25), rgba(124,58,237,0.25));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}
.why-card h3 { color: #fff; font-size: 1.15rem; margin-bottom: 12px; }
.why-card p { color: #94A3B8; font-size: 0.9rem; line-height: 1.6; }

/* ===== Cases Grid ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}
.case-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.35s;
    display: block;
}
.case-card:hover {
    transform: translateY(-4px);
    border-color: rgba(30,144,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.case-image {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.case-image-icon { font-size: 3rem; color: rgba(255,255,255,0.15); }
.case-body { padding: 24px; }
.case-tag {
    display: inline-block;
    padding: 3px 10px; border-radius: 6px;
    background: rgba(30,144,255,0.1);
    color: #1E90FF; font-size: 0.75rem; font-weight: 600;
    margin-bottom: 10px;
}
.case-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
.case-client { font-size: 0.85rem; color: #64748B; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.case-desc { color: #94A3B8; font-size: 0.9rem; margin-bottom: 12px; line-height: 1.6; }
.case-result { font-size: 0.85rem; color: #10B981; display: flex; align-items: center; gap: 6px; }
.section-cta { text-align: center; margin-top: 40px; }

/* ===== Founder Section ===== */
.section-founder {
    background: rgba(255,255,255,0.01);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}
.founder-card {
    background: rgba(255,255,255,0.02);
    border-radius: 20px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    border: 1px solid rgba(255,255,255,0.06);
}
.founder-info .section-tag { margin-bottom: 12px; }
.founder-info h2 { font-size: 2rem; margin-bottom: 8px; }
.founder-role { color: #94A3B8; font-size: 1rem; margin-bottom: 16px; }
.founder-desc { color: #94A3B8; line-height: 1.8; margin-bottom: 24px; }
.founder-titles { display: flex; flex-wrap: wrap; gap: 8px; }
.founder-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 8px;
    background: rgba(30,144,255,0.06);
    border: 1px solid rgba(30,144,255,0.1);
    color: #1E90FF; font-size: 0.85rem; font-weight: 500;
}
.founder-tag i { font-size: 0.75rem; }
.founder-visual { text-align: center; }
.founder-avatar {
    width: 120px; height: 120px; border-radius: 50%;
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 24px;
    font-size: 3rem; color: rgba(255,255,255,0.8);
    box-shadow: 0 8px 30px rgba(30,144,255,0.25);
}
.founder-quote {
    background: rgba(255,255,255,0.03);
    border-radius: 12px; padding: 20px;
    border-left: 3px solid #1E90FF;
    max-width: 340px; margin: 0 auto;
}
.founder-quote i { color: #1E90FF; font-size: 1.2rem; margin-bottom: 8px; display: block; }
.founder-quote p { color: #94A3B8; font-style: italic; }

/* ===== Blog ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.blog-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.06);
    display: block;
    transition: all 0.35s;
}
.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(30,144,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-size: 0.8rem;
    color: #64748B;
}
.blog-category {
    padding: 2px 10px; border-radius: 6px;
    background: rgba(30,144,255,0.1);
    color: #1E90FF;
}
.blog-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.blog-card p { color: #94A3B8; font-size: 0.9rem; margin-bottom: 16px; line-height: 1.6; }
.blog-readmore { color: #1E90FF; font-weight: 600; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 6px; }

/* ===== CTA Banner ===== */
.section-cta-banner { padding: 60px 0; }
.cta-banner {
    background: linear-gradient(135deg, rgba(15,15,30,0.9), rgba(26,26,46,0.85));
    border-radius: 24px; padding: 64px; text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(30,144,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-banner h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; position: relative; }
.cta-banner p { color: #94A3B8; margin-bottom: 32px; position: relative; }
.cta-actions { display: flex; justify-content: center; gap: 16px; position: relative; flex-wrap: wrap; }

/* ===== Page Hero ===== */
.page-hero {
    padding: 140px 0 60px;
    background: transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: -150px; left: 50%;
    transform: translateX(-50%);
    width: 500px; height: 300px;
    background: radial-gradient(ellipse, rgba(30,144,255,0.10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.page-hero-sm { padding: 120px 0 40px; }
.page-hero h1 { font-size: 3rem; margin-bottom: 16px; }
.page-hero p { color: #94A3B8; font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.85rem; color: #64748B;
    margin-bottom: 24px; justify-content: flex-start;
}
.breadcrumb a { color: #64748B; }
.breadcrumb a:hover { color: #1E90FF; }
.breadcrumb i { font-size: 0.65rem; color: #475569; }

/* ===== Services Full ===== */
.services-grid-full { display: flex; flex-direction: column; gap: 28px; }
.service-full-card {
    background: rgba(255,255,255,0.02);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.3s;
}
.service-full-card:hover {
    border-color: rgba(30,144,255,0.12);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.service-full-header { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; }
.service-full-icon {
    width: 64px; height: 64px; border-radius: 16px;
    background: linear-gradient(135deg, rgba(30,144,255,0.12), rgba(124,58,237,0.12));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; color: #1E90FF;
}
.service-full-header h2 { font-size: 1.5rem; }
.service-full-subtitle { color: #1E90FF; font-size: 0.9rem; }
.service-full-desc { color: #94A3B8; line-height: 1.8; margin-bottom: 24px; font-size: 1rem; }
.service-features {
    background: rgba(255,255,255,0.03);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}
.service-features h4 { margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #94A3B8;
    font-size: 0.9rem;
}
.feature-list li i { color: #10B981; margin-top: 4px; }
.feature-list-lg { grid-template-columns: 1fr; }
.service-full-cta { margin-top: 24px; }
.service-detail-body { margin-top: 20px; color: #94A3B8; line-height: 1.8; }

/* ===== Service Detail ===== */
.service-detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.service-hero-content { text-align: center; }
.service-hero-icon {
    width: 72px; height: 72px; border-radius: 18px;
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem; color: rgba(255,255,255,0.9);
    box-shadow: 0 8px 25px rgba(30,144,255,0.25);
}
.service-hero-content h1 { font-size: 2.2rem; }
.service-hero-subtitle { color: #94A3B8; }

/* ===== Case Filters ===== */
.case-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; justify-content: center; }
.filter-tag {
    padding: 8px 20px; border-radius: 20px;
    font-size: 0.9rem; font-weight: 500;
    color: #94A3B8;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.25s;
}
.filter-tag:hover { border-color: #1E90FF; color: #1E90FF; }
.filter-tag.active { background: linear-gradient(135deg, #1E90FF, #7C3AED); color: #fff; border-color: transparent; }

/* ===== Cases Full Grid ===== */
.cases-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.case-card-full {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    display: block;
    transition: all 0.35s;
}
.case-card-full:hover {
    transform: translateY(-4px);
    border-color: rgba(30,144,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.case-card-image { height: 180px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.case-card-icon { font-size: 3rem; color: rgba(255,255,255,0.15); }
.case-card-category {
    position: absolute; top: 16px; right: 16px;
    padding: 4px 12px; border-radius: 6px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    color: #fff; font-size: 0.75rem; font-weight: 600;
}
.case-card-body { padding: 24px; }
.case-card-body h3 { font-size: 1.15rem; margin-bottom: 6px; }
.case-card-client { font-size: 0.85rem; color: #64748B; margin-bottom: 8px; }
.case-card-desc { color: #94A3B8; font-size: 0.9rem; margin-bottom: 12px; line-height: 1.5; }
.case-card-result {
    font-size: 0.85rem; color: #10B981;
    margin-bottom: 12px; display: flex; align-items: center; gap: 6px;
}
.case-card-link { color: #1E90FF; font-weight: 600; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 4px; }

/* ===== Blog Full Grid ===== */
.blog-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.blog-card-full {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    display: block;
    transition: all 0.35s;
}
.blog-card-full:hover {
    transform: translateY(-4px);
    border-color: rgba(30,144,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.blog-card-image { height: 160px; display: flex; align-items: center; justify-content: center; font-size: 3rem; color: rgba(255,255,255,0.15); position: relative; overflow: hidden; }
.blog-card-body { padding: 24px; }
.blog-card-meta { display: flex; gap: 16px; font-size: 0.8rem; color: #64748B; margin-bottom: 12px; }
.blog-card-cat { padding: 2px 10px; border-radius: 6px; background: rgba(30,144,255,0.1); color: #1E90FF; }
.blog-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.blog-card-body p { color: #94A3B8; font-size: 0.9rem; margin-bottom: 16px; line-height: 1.5; }
.blog-card-footer { display: flex; justify-content: space-between; align-items: center; }
.blog-card-author { font-size: 0.85rem; color: #64748B; }
.blog-card-readmore { color: #1E90FF; font-weight: 600; font-size: 0.85rem; }

/* ===== Article Layout ===== */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.article-header { margin-bottom: 32px; }
.article-meta { display: flex; gap: 16px; font-size: 0.85rem; color: #64748B; margin-bottom: 12px; align-items: center; flex-wrap: wrap; }
.article-category { padding: 3px 10px; border-radius: 6px; background: rgba(30,144,255,0.1); color: #1E90FF; font-weight: 600; }
.article-header h1 { font-size: 2.2rem; margin-bottom: 8px; }
.article-client { color: #94A3B8; font-size: 1rem; }
.article-summary { color: #94A3B8; font-size: 1.05rem; line-height: 1.7; }
.article-content { color: #94A3B8; line-height: 1.9; font-size: 1rem; }
.article-content p { margin-bottom: 1.2rem; }
.content-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.06);
}
.rich-content { margin-top: 1.5rem; }
.result-box {
    background: rgba(16, 185, 129, 0.06);
    border-radius: 12px;
    padding: 20px;
    border-left: 3px solid #10B981;
    margin-top: 24px;
}
.result-box h4 { color: #10B981; margin-bottom: 8px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.article-tag {
    padding: 4px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    font-size: 0.85rem;
    color: #64748B;
}
.article-nav { display: flex; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.article-sidebar { display: flex; flex-direction: column; gap: 16px; }
.sidebar-card {
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.06);
}
.sidebar-card h4 { font-size: 1rem; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.sidebar-card p { color: #94A3B8; font-size: 0.9rem; margin-bottom: 16px; line-height: 1.5; }
.sidebar-phone { color: #1E90FF; font-size: 1.1rem; font-weight: 700; }
.sidebar-services { display: flex; flex-direction: column; gap: 8px; }
.sidebar-service-link {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; border-radius: 8px;
    background: rgba(255,255,255,0.03);
    font-size: 0.9rem; color: #94A3B8;
    transition: all 0.2s;
}
.sidebar-service-link:hover { background: rgba(30,144,255,0.08); color: #1E90FF; }

/* ===== About Page ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h2 { font-size: 2rem; margin-bottom: 20px; }
.about-text p { color: #94A3B8; margin-bottom: 16px; line-height: 1.8; }
.about-mission { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.mission-item { display: flex; gap: 16px; align-items: flex-start; }
.mission-item i {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(30,144,255,0.1);
    color: #1E90FF;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
}
.mission-item h4 { font-size: 1rem; margin-bottom: 4px; }
.mission-item p { color: #94A3B8; font-size: 0.9rem; margin: 0; }
.about-stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-stat-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
}
.about-stat-number {
    font-size: 2.2rem; font-weight: 800;
    background: linear-gradient(135deg, #1E90FF, #00F0FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block; margin-bottom: 4px;
}
.about-stat-card span:last-child { font-size: 0.85rem; color: #64748B; }

/* ===== Founder Detail ===== */
.founder-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.founder-detail-info { text-align: center; }
.founder-detail-avatar {
    width: 100px; height: 100px; border-radius: 50%;
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    font-size: 2.5rem; color: rgba(255,255,255,0.8);
    box-shadow: 0 8px 25px rgba(30,144,255,0.25);
}
.founder-detail-info h3 { font-size: 1.5rem; margin-bottom: 4px; }
.founder-detail-info h3 small { font-size: 1rem; color: #64748B; font-weight: 400; }
.founder-detail-role { color: #1E90FF; font-weight: 500; margin-bottom: 16px; }
.founder-detail-desc { color: #94A3B8; line-height: 1.8; margin-bottom: 24px; text-align: left; }
.founder-titles-list { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.founder-title-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    font-size: 0.9rem; color: #94A3B8;
}
.founder-title-item i { color: #1E90FF; }

/* ===== Timeline ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
    content: '';
    position: absolute; left: 8px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(30,144,255,0.4), rgba(124,58,237,0.2));
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-dot {
    position: absolute; left: -26px; top: 4px;
    width: 14px; height: 14px; border-radius: 50%;
    background: #1E90FF;
    border: 3px solid rgba(30,144,255,0.2);
    box-shadow: 0 0 12px rgba(30,144,255,0.3);
}
.timeline-year {
    display: inline-block; padding: 2px 10px;
    background: rgba(30,144,255,0.1);
    color: #1E90FF; border-radius: 6px;
    font-size: 0.85rem; font-weight: 600; margin-bottom: 8px;
}
.timeline-content p { color: #94A3B8; font-size: 0.95rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    transition: border-color 0.3s;
}
.faq-item.active { border-color: rgba(30,144,255,0.2); }
.faq-question {
    width: 100%; padding: 20px 24px;
    display: flex; justify-content: space-between; align-items: center;
    background: none; border: none;
    font-size: 1rem; font-weight: 600;
    color: #E2E8F0;
    cursor: pointer; font-family: inherit; text-align: left;
}
.faq-question i { transition: transform 0.3s; color: #64748B; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: #1E90FF; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { color: #94A3B8; line-height: 1.7; font-size: 0.95rem; }

/* ===== Contact Page ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.contact-form-wrapper h2, .contact-info-wrapper h2 { font-size: 1.4rem; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.contact-form-wrapper p { color: #94A3B8; margin-bottom: 24px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-size: 0.9rem; font-weight: 500; color: #E2E8F0; margin-bottom: 6px; }
.required { color: #EF4444; }
.form-control {
    padding: 10px 14px;
    background: rgba(255,255,255,0.04);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    font-size: 0.95rem; font-family: inherit;
    color: #E2E8F0;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control::placeholder { color: #475569; }
.form-control:focus {
    outline: none;
    border-color: #1E90FF;
    box-shadow: 0 0 0 3px rgba(30,144,255,0.1);
}
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}
select.form-control option { background: #1A1A26; color: #E2E8F0; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item { display: flex; gap: 16px; }
.contact-info-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(30,144,255,0.1);
    color: #1E90FF;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
}
.contact-info-item h4 { font-size: 0.9rem; margin-bottom: 2px; }
.contact-info-item p, .contact-info-item a { color: #94A3B8; font-size: 0.95rem; }
.contact-info-item a:hover { color: #1E90FF; }
.contact-hours p { font-size: 0.9rem; color: #94A3B8; }
.contact-cta-card {
    background: linear-gradient(135deg, rgba(30,144,255,0.06), rgba(124,58,237,0.06));
    border: 1px solid rgba(30,144,255,0.1);
}

/* ===== Pagination ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.page-link {
    padding: 8px 16px; border-radius: 8px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    color: #94A3B8;
    font-size: 0.9rem;
    display: inline-flex; align-items: center; gap: 6px;
    transition: all 0.2s;
}
.page-link:hover { border-color: #1E90FF; color: #1E90FF; }
.page-link.active { background: linear-gradient(135deg, #1E90FF, #7C3AED); color: #fff; border-color: transparent; }
.page-ellipsis { color: #64748B; padding: 0 8px; }

/* ===== Footer ===== */
.site-footer {
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #64748B;
    padding: 60px 0 0;
    border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-brand h3 i {
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 0.9rem; }
.footer-contact-item i { color: #64748B; width: 16px; }
.footer-contact-item a { color: #64748B; }
.footer-contact-item a:hover { color: #fff; }
.footer-links h4, .footer-services h4, .footer-cta h4 { color: #E2E8F0; font-size: 1rem; margin-bottom: 20px; }
.footer-links a, .footer-services a {
    display: block; color: #64748B;
    font-size: 0.9rem; padding: 6px 0;
}
.footer-links a:hover, .footer-services a:hover { color: #1E90FF; }
.footer-cta p { font-size: 0.9rem; margin-bottom: 20px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}
.footer-icp a { color: #475569; }
.footer-icp a:hover { color: #94A3B8; }

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 48px; height: 48px; border-radius: 12px;
    background: linear-gradient(135deg, #1E90FF, #7C3AED);
    color: #fff; border: none; font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(30,144,255,0.3);
    opacity: 0; visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    display: flex; align-items: center; justify-content: center;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(30,144,255,0.4); }

/* ===== Flash Messages ===== */
.flash-container {
    position: fixed; top: 88px; right: 24px;
    z-index: 2000;
    display: flex; flex-direction: column; gap: 8px;
}
.flash-message {
    padding: 14px 20px; border-radius: 10px;
    display: flex; align-items: center; gap: 12px;
    font-size: 0.9rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    max-width: 400px;
    animation: slideIn 0.3s ease;
}
.flash-success { background: rgba(16, 185, 129, 0.15); color: #10B981; border: 1px solid rgba(16, 185, 129, 0.2); }
.flash-error { background: rgba(239, 68, 68, 0.15); color: #EF4444; border: 1px solid rgba(239, 68, 68, 0.2); }
.flash-close { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: inherit; margin-left: auto; padding: 0 0 0 8px; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ===== Empty State ===== */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state i { font-size: 3rem; color: #475569; margin-bottom: 16px; }
.empty-state h3 { color: #94A3B8; margin-bottom: 8px; }
.empty-state p { color: #64748B; margin-bottom: 24px; }

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

/* ===== Divider ===== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(30,144,255,0.15), transparent);
    margin: 0;
    border: none;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero .container,
    .about-intro,
    .contact-layout,
    .article-layout,
    .founder-detail,
    .founder-card,
    .service-detail-layout { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.8rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .section { padding: 70px 0; }
    .page-hero h1 { font-size: 2.5rem; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed; top: 72px; left: 0; width: 100%;
        background: rgba(10,10,18,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }
    .nav-menu.open { display: flex; }
    .nav-toggle { display: flex; }
    .hero-title { font-size: 2.2rem; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .section-title { font-size: 2rem; }
    .cta-banner { padding: 40px 24px; }
    .cta-actions { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .founder-card { padding: 32px 24px; }
    .cases-grid-full, .blog-grid-full { grid-template-columns: 1fr; }
    .feature-list { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .page-hero h1 { font-size: 2rem; }
    .content-card { padding: 24px; }
    .article-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 576px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.8rem; }
    .section-title { font-size: 1.6rem; }
    .service-full-card { padding: 24px; }
    .service-full-header { flex-direction: column; text-align: center; }
    .hero .container { gap: 40px; }
    .founder-card { grid-template-columns: 1fr; gap: 32px; }
    .about-intro { gap: 40px; }
    .hero-stats { gap: 16px; }
    .stat-number { font-size: 1.5rem; }
}
/* Bot-trap fields remain available to basic crawlers but never affect layout. */
.hp-field {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
}