/* ==========================================
   河口天诚科技有限公司 - 科技感前台样式
   设计主题: 深空蓝 · 霓虹光 · 未来科技
   ========================================== */

/* ---------- CSS Variables ---------- */
:root {
    /* 主色调 - 深空科技蓝 */
    --primary: #4f8fff;
    --primary-dark: #3a6fd8;
    --primary-light: rgba(79, 143, 255, 0.12);
    --primary-glow: rgba(79, 143, 255, 0.5);

    /* 强调色 - 霓虹青 */
    --accent: #00e5ff;
    --accent-dark: #00b8d4;
    --accent-glow: rgba(0, 229, 255, 0.4);

    /* 背景层级 */
    --bg-dark: #080c17;
    --bg-darker: #050810;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-glass: rgba(10, 15, 30, 0.7);

    /* 边框 */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-card: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(79, 143, 255, 0.3);

    /* 文字 */
    --text-primary: #e8edf5;
    --text-secondary: #8899b4;
    --text-muted: #556580;
    --text-white: #ffffff;

    /* 功能色 */
    --success: #00e676;
    --danger: #ff5252;
    --warning: #ffd740;
    --info: #40c4ff;

    /* 渐变色 */
    --gradient-blue: linear-gradient(135deg, #4f8fff 0%, #00e5ff 100%);
    --gradient-dark: linear-gradient(180deg, #080c17 0%, #111b30 100%);
    --gradient-hero: linear-gradient(160deg, #050810 0%, #0a1628 40%, #0d1f3c 70%, #080c17 100%);

    /* 形状 */
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 30px rgba(79, 143, 255, 0.15);
    --shadow-glow-strong: 0 0 60px rgba(79, 143, 255, 0.25);

    --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    background: var(--bg-dark);
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.ml-10 { margin-left: 10px; }
.p-20 { padding: 20px; }

.section { padding: 100px 0; position: relative; }
.bg-light { background: rgba(255, 255, 255, 0.02); }
.bg-dark { background: var(--bg-darker); }

.section-header { margin-bottom: 60px; }
.section-header h2 {
    font-size: 36px;
    color: var(--text-white);
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.section-header.light h2 { color: var(--text-white); }
.section-header.light .section-desc { color: var(--text-muted); }
.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 4px 12px;
    border: 1px solid var(--accent-glow);
    border-radius: 4px;
    background: rgba(0, 229, 255, 0.06);
}
.section-desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
    letter-spacing: 0.5px;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: rgba(79, 143, 255, 0.4);
}
.btn-outline:hover {
    background: rgba(79, 143, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-glow);
}
.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #fff;
    color: #fff;
}
.btn-glow {
    background: var(--gradient-blue);
    color: #fff;
    border: none;
    position: relative;
    box-shadow: 0 4px 24px rgba(79, 143, 255, 0.4);
}
.btn-glow:hover {
    box-shadow: 0 6px 36px rgba(79, 143, 255, 0.6);
    transform: translateY(-2px);
    color: #fff;
}
.btn-success { background: var(--success); color: #000; border-color: var(--success); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-lg { padding: 16px 40px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-block { display: block; width: 100%; }

/* ---------- Badge ---------- */
.badge {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: rgba(0, 230, 118, 0.15); color: var(--success); }
.badge-danger { background: rgba(255, 82, 82, 0.15); color: var(--danger); }
.badge-warning { background: rgba(255, 215, 64, 0.15); color: var(--warning); }
.badge-info { background: rgba(64, 196, 255, 0.15); color: var(--info); }
.badge-secondary { background: rgba(255,255,255,0.06); color: var(--text-secondary); }
.badge-lg { padding: 4px 14px; font-size: 14px; }

/* ---------- Alert ---------- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
    border: 1px solid transparent;
}
.alert-success { background: rgba(0, 230, 118, 0.08); color: var(--success); border-color: rgba(0, 230, 118, 0.2); }
.alert-danger { background: rgba(255, 82, 82, 0.08); color: var(--danger); border-color: rgba(255, 82, 82, 0.2); }
.alert-warning { background: rgba(255, 215, 64, 0.08); color: var(--warning); border-color: rgba(255, 215, 64, 0.2); }
.alert-info { background: rgba(64, 196, 255, 0.08); color: var(--info); border-color: rgba(64, 196, 255, 0.2); }

/* ==========================================
   HEADER
   ========================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(8, 12, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}
.header-top {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-muted);
    padding: 6px 0;
    font-size: 12px;
    border-bottom: 1px solid var(--border-subtle);
}
.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-contact i { margin: 0 6px; opacity: 0.6; }
.header-lang a { color: var(--text-muted); margin-left: 16px; font-size: 12px; }
.header-lang a:hover { color: var(--accent); }
.btn-admin-link {
    color: var(--text-muted);
    padding: 3px 10px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 4px;
    font-size: 11px;
    letter-spacing: 0.5px;
}
.btn-admin-link:hover { color: var(--accent); border-color: var(--accent-glow); }

.header-main { padding: 0; }
.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo img { height: 40px; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--text-white); }

.main-nav ul { display: flex; gap: 2px; }
.main-nav ul li a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    letter-spacing: 0.3px;
}
.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--accent);
    background: rgba(0, 229, 255, 0.06);
}

.has-dropdown { position: relative; }
.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: 8px 0;
    z-index: 100;
    border: 1px solid var(--border-subtle);
}
.dropdown li a {
    padding: 10px 20px;
    white-space: nowrap;
    font-size: 13px;
    border-radius: 0;
}
.dropdown li a:hover { background: rgba(0, 229, 255, 0.06); }

/* 桌面端：hover 展开下拉菜单 */
@media (min-width: 768px) {
    .has-dropdown:hover .dropdown { display: block; }
}
.has-dropdown.open .dropdown { display: block; }
.has-dropdown > a { position: relative; }
.has-dropdown > a::after {
    content: '▾';
    font-size: 9px;
    margin-left: 5px;
    vertical-align: middle;
    opacity: 0.5;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}
.mobile-nav {
    display: none;
    background: rgba(8, 12, 23, 0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    border-top: 1px solid var(--border-subtle);
}
.mobile-nav ul li a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================
   HERO - 全屏粒子科技大屏
   ========================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
#particlesCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 229, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(79, 143, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(79, 143, 255, 0.04) 0%, transparent 50%);
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    width: 100%;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 30px;
    background: rgba(0, 229, 255, 0.05);
}
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.6); }
    50% { box-shadow: 0 0 0 12px rgba(0, 229, 255, 0); }
}
.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.gradient-text {
    background: linear-gradient(135deg, #4f8fff 0%, #00e5ff 40%, #6cb4ff 70%, #00e5ff 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease-in-out infinite;
}
@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.hero-subtitle {
    font-size: clamp(15px, 2.5vw, 19px);
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.hero-subtitle .highlight {
    color: var(--accent);
    font-weight: 600;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}
.hero-stats {
    display: flex;
    gap: 50px;
    justify-content: center;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
}
.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-white);
    display: block;
    letter-spacing: -1px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    animation: float 2s ease-in-out infinite;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--accent), transparent);
}
@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================
   BUSINESS - 8大业务卡片
   ========================================== */
.business-section {
    background: var(--gradient-dark);
}
.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.biz-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
}
.biz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}
.biz-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.biz-card:hover::before { transform: scaleX(1); }
.biz-icon {
    width: 52px;
    height: 52px;
    color: var(--primary);
    flex-shrink: 0;
}
.biz-icon svg {
    width: 100%;
    height: 100%;
}
.biz-card:hover .biz-icon { color: var(--accent); }
.biz-info h3 {
    font-size: 16px;
    color: var(--text-white);
    margin-bottom: 6px;
    font-weight: 600;
}
.biz-info p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}
.biz-arrow {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 18px;
    opacity: 0;
    transition: var(--transition);
}
.biz-card:hover .biz-arrow { opacity: 1; color: var(--accent); }

/* ==========================================
   TECH STACK - 环形进度条
   ========================================== */
.tech-section {
    background: var(--bg-dark);
    position: relative;
}
.tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}
.tech-item {
    text-align: center;
}
.tech-circle {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}
.tech-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.tech-circle .bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 5;
}
.tech-circle .progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-dasharray: 326.7;
    transition: stroke-dashoffset 1.5s ease;
}
.tech-item:hover .progress { stroke: var(--accent); }
.tech-circle span {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
}
.tech-item h4 {
    font-size: 15px;
    color: var(--text-white);
    margin-bottom: 4px;
    font-weight: 600;
}
.tech-item p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================
   PROCESS - 服务流程
   ========================================== */
.process-section {
    position: relative;
    overflow: hidden;
}
.process-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 229, 255, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(79, 143, 255, 0.04) 0%, transparent 50%);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
}
.process-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
    z-index: 1;
}
.process-card {
    text-align: center;
    padding: 30px 16px;
    position: relative;
    z-index: 2;
}
.process-num {
    width: 44px;
    height: 44px;
    line-height: 44px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}
.process-card:hover .process-num {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}
.process-icon {
    font-size: 32px;
    margin-bottom: 12px;
}
.process-card h4 {
    font-size: 16px;
    color: var(--text-white);
    margin-bottom: 8px;
    font-weight: 600;
}
.process-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==========================================
   CASES - 精选案例
   ========================================== */
.cases-section {
    background: var(--gradient-dark);
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.case-card-new {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: block;
    text-decoration: none;
}
.case-card-new:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}
.case-thumb {
    height: 200px;
    overflow: hidden;
    background: rgba(255,255,255,0.02);
    position: relative;
}
.case-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.case-card-new:hover .case-thumb img { transform: scale(1.05); }
.case-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
}
.case-thumb-placeholder svg { width: 48px; height: 48px; opacity: 0.3; }
.case-body { padding: 20px; }
.case-tag {
    display: inline-block;
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.case-body h3 {
    font-size: 17px;
    color: var(--text-white);
    margin-bottom: 8px;
    font-weight: 600;
}
.case-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==========================================
   ADVANTAGES - 企业优势
   ========================================== */
.advantages-section {
    background: var(--bg-dark);
}
.advantages-grid-new {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.adv-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.adv-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}
.adv-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.adv-card:hover::after { transform: scaleX(1); }
.adv-icon-wrap {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--primary);
    transition: var(--transition);
}
.adv-icon-wrap svg { width: 100%; height: 100%; }
.adv-card:hover .adv-icon-wrap { color: var(--accent); }
.adv-card h4 {
    font-size: 17px;
    color: var(--text-white);
    margin-bottom: 10px;
    font-weight: 600;
}
.adv-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================
   JOBS - 热门岗位
   ========================================== */
.jobs-section {
    background: var(--gradient-dark);
}
.jobs-grid-mini {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.job-mini-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
}
.job-mini-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateX(6px);
    box-shadow: var(--shadow-glow);
}
.job-mini-left h4 {
    font-size: 15px;
    color: var(--text-white);
    margin-bottom: 2px;
    font-weight: 600;
}
.job-mini-dept {
    font-size: 12px;
    color: var(--text-muted);
}
.job-mini-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.job-mini-loc {
    font-size: 13px;
    color: var(--text-secondary);
}
.job-mini-salary {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
}
.job-mini-arrow {
    color: var(--text-muted);
    font-size: 18px;
    transition: var(--transition);
}
.job-mini-card:hover .job-mini-arrow { color: var(--accent); }

/* ==========================================
   PARTNERS
   ========================================== */
.partners-section {
    background: var(--bg-dark);
}
.partners { padding: 60px 0; }
.partners-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}
.partner-item img {
    height: 40px;
    opacity: 0.35;
    filter: grayscale(1) brightness(0.7);
    transition: var(--transition);
}
.partner-item img:hover {
    opacity: 1;
    filter: grayscale(0) brightness(1);
}

/* ==========================================
   CTA
   ========================================== */
.cta-section {
    background: var(--bg-darker);
    color: #fff;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(79, 143, 255, 0.08) 0%, transparent 50%);
}
.cta-section h2 {
    font-size: 36px;
    margin-bottom: 12px;
    font-weight: 700;
}
.cta-section p {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 36px;
    color: var(--text-secondary);
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-buttons .btn { margin: 0; }

/* ==========================================
   PAGE BANNER (子页面通用)
   ========================================== */
.page-banner {
    background: var(--gradient-hero);
    color: #fff;
    padding: 70px 0;
    text-align: center;
    position: relative;
}
.page-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}
.page-banner h1 { font-size: 38px; margin-bottom: 8px; font-weight: 700; }
.page-banner p { font-size: 16px; opacity: 0.8; color: var(--text-secondary); }

/* ==========================================
   CONTENT CARD (通用内容卡片)
   ========================================== */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 30px;
}
.content-card h2, .content-card h3 { color: var(--text-white); margin-bottom: 16px; }
.content-card h4 { color: var(--text-secondary); margin: 16px 0 8px; }
.content-card p { margin-bottom: 12px; line-height: 1.8; }
.content-card ul { padding-left: 20px; margin-bottom: 12px; }
.content-card ul li { list-style: disc; margin-bottom: 6px; color: var(--text-secondary); }

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
}
.timeline-item { position: relative; margin-bottom: 30px; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid rgba(79, 143, 255, 0.3);
}
.timeline-year { font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.timeline-content h4 { color: var(--text-white); margin-bottom: 4px; }
.timeline-content p { font-size: 13px; color: var(--text-muted); }

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
}
.sidebar-card h3, .sidebar-card h4 {
    color: var(--text-white);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}
.qualification-list li, .advantage-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.qualification-list li .feature-check { color: var(--success); flex-shrink: 0; }
.contact-mini {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 30px; }
.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 30px;
}
.contact-info-card h3 { color: var(--text-white); margin-bottom: 20px; }
.contact-info-item { display: flex; gap: 15px; margin-bottom: 20px; }
.contact-icon { font-size: 24px; }
.contact-info-item strong { display: block; color: var(--text-white); margin-bottom: 4px; }
.contact-info-item p { color: var(--text-muted); font-size: 14px; }
.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 30px;
}
.contact-form-card h3 { color: var(--text-white); margin-bottom: 8px; }
.contact-form-card > p { color: var(--text-muted); margin-bottom: 24px; font-size: 14px; }

/* ==========================================
   FORMS
   ========================================== */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 13px;
}
.required { color: var(--danger); }
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
    background: rgba(255,255,255,0.04);
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 143, 255, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238899b4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.flex-1 { flex: 1; }
.form-message { margin-top: 12px; }
.form-actions { margin-top: 24px; }

/* ==========================================
   BUSINESS CATEGORIES
   ========================================== */
.business-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 30px;
}
.business-categories a {
    padding: 8px 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.business-categories a:hover,
.business-categories a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.business-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.business-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 24px;
    border-left: 4px solid var(--primary);
}
.business-card-header { display: flex; justify-content: space-between; align-items: start; margin-bottom: 12px; }
.business-card-header h3 { font-size: 17px; }
.business-card-header h3 a { color: var(--text-white); }
.business-card-header h3 a:hover { color: var(--accent); }
.business-category-badge {
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 10px;
    border-radius: 12px;
}
.business-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.business-detail-layout, .case-detail-layout, .article-detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

/* ==========================================
   JOB LIST
   ========================================== */
.jobs-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; align-items: center; }
.jobs-nav a {
    padding: 8px 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.jobs-nav a:hover,
.jobs-nav a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.jobs-nav .btn-outline {
    border: 1px solid var(--border-glow);
    background: transparent;
    border-radius: var(--radius);
}
.jobs-search { margin-bottom: 24px; }
.search-form { display: flex; gap: 10px; }
.search-input {
    flex: 1;
    padding: 11px 16px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    font-size: 14px;
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
}
.search-input:focus { border-color: var(--primary); outline: none; }
.search-input::placeholder { color: var(--text-muted); }

.job-item {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    transition: var(--transition);
}
.job-item:hover { border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.job-top { border-left: 4px solid var(--primary); }
.job-hot { border-right: 4px solid var(--danger); }
.job-item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.job-item-header h3 { font-size: 18px; }
.job-item-header h3 a { color: var(--text-white); }
.job-item-header h3 a:hover { color: var(--accent); }
.job-salary { font-size: 18px; font-weight: 700; color: var(--accent); }
.job-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}
.job-item-footer { display: flex; justify-content: space-between; align-items: center; }
.job-category-tag {
    font-size: 12px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 12px;
}

/* ==========================================
   JOB DETAIL
   ========================================== */
.job-detail-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.job-content { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.job-info-card h3 { color: var(--text-white); margin-bottom: 16px; }
.job-info-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 14px;
}
.job-info-item .label { color: var(--text-muted); }
.job-info-item .value { color: var(--text-white); font-weight: 500; }
.job-info-item .highlight { color: var(--accent); font-size: 16px; }

.recruit-process { }
.process-step { padding: 8px 0; font-size: 14px; color: var(--text-secondary); }
.process-arrow { text-align: center; color: var(--text-muted); }
.step-num {
    display: inline-block;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    margin-right: 8px;
}

/* ==========================================
   APPLY
   ========================================== */
.apply-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.apply-tabs { display: flex; gap: 0; margin-bottom: 20px; }
.apply-tab {
    padding: 12px 24px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.02);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.apply-tab:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.apply-tab:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.apply-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.apply-panel { display: none; }
.apply-panel.active { display: block; }
.resume-form {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 30px;
}
.resume-form h4 {
    font-size: 16px;
    color: var(--text-white);
    margin: 24px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}
.resume-form h4:first-child { margin-top: 0; }

.apply-job-info h3 { color: var(--accent); margin-bottom: 8px; }
.apply-job-info p { color: var(--text-muted); margin-bottom: 4px; font-size: 14px; }
.salary-text { color: var(--accent); font-weight: 600; }
.notice-list li {
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================
   UPLOAD AREA
   ========================================== */
.upload-area {
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.upload-icon { font-size: 48px; margin-bottom: 12px; }
.upload-placeholder p { color: var(--text-muted); font-size: 14px; }
.upload-hint { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.upload-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius);
}
.upload-filename { font-size: 14px; color: var(--text-secondary); }
.upload-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 16px;
}

/* ==========================================
   TRACK
   ========================================== */
.track-section { min-height: 400px; }
.track-form-card {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
}
.track-form-card h3 { color: var(--text-white); margin-bottom: 8px; }
.track-form-card p { color: var(--text-muted); margin-bottom: 24px; }
.track-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    font-size: 16px;
    text-align: center;
    margin-bottom: 16px;
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
}
.track-input:focus { border-color: var(--primary); outline: none; }
.track-records { margin-top: 20px; }
.track-record {
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 12px;
    text-align: left;
    border: 1px solid var(--border-subtle);
}
.track-record-header { display: flex; justify-content: space-between; align-items: start; }
.track-record-header h5 { font-size: 15px; color: var(--text-white); }
.track-date { font-size: 12px; color: var(--text-muted); }
.track-status { padding: 4px 12px; border-radius: 12px; font-size: 12px; font-weight: 500; }
.status-success { background: rgba(0, 230, 118, 0.15); color: var(--success); }
.status-danger { background: rgba(255, 82, 82, 0.15); color: var(--danger); }
.status-warning { background: rgba(255, 215, 64, 0.15); color: var(--warning); }
.status-secondary { background: rgba(255,255,255,0.06); color: var(--text-secondary); }
.track-remark {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    padding: 8px;
    background: rgba(0,0,0,0.2);
    border-radius: 4px;
}
.track-interview {
    margin-top: 8px;
    padding: 10px;
    background: rgba(64, 196, 255, 0.06);
    border-radius: 4px;
    font-size: 13px;
}
.track-interview p { margin-bottom: 4px; color: var(--text-secondary); }

/* ==========================================
   WELFARE
   ========================================== */
.welfare-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.welfare-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
}
.welfare-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}
.welfare-icon { font-size: 40px; margin-bottom: 16px; }
.welfare-card h3 { font-size: 16px; color: var(--text-white); margin-bottom: 8px; }
.welfare-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.welfare-cta {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 40px;
}

/* ==========================================
   NEWS LIST
   ========================================== */
.news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: block;
    text-decoration: none;
}
.news-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}
.news-image { height: 180px; overflow: hidden; }
.news-image img { width: 100%; height: 100%; object-fit: cover; }
.news-info { padding: 20px; }
.news-info h3 { font-size: 16px; color: var(--text-white); margin-bottom: 8px; }
.news-summary { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.news-meta { display: flex; gap: 15px; font-size: 12px; color: var(--text-muted); }
.news-list-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    margin-bottom: 16px;
    transition: var(--transition);
}
.news-list-item:hover { border-color: var(--border-glow); }
.news-list-image {
    width: 200px;
    height: 140px;
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
}
.news-list-image img { width: 100%; height: 100%; object-fit: cover; }
.news-list-content { flex: 1; }
.news-list-content h3 { font-size: 17px; color: var(--text-white); margin-bottom: 8px; }
.news-list-content p { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.news-list-meta { display: flex; gap: 15px; align-items: center; font-size: 12px; color: var(--text-muted); }
.news-category-tag {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 4px;
}

.hot-list { }
.hot-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 13px;
}
.hot-item span { flex: 1; color: var(--text-secondary); }
.hot-item small { color: var(--text-muted); font-size: 11px; }

/* ==========================================
   ARTICLE DETAIL
   ========================================== */
.article-cover, .case-cover {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 24px;
}
.article-cover img, .case-cover img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}
.article-content { line-height: 2; font-size: 15px; color: var(--text-secondary); }
.article-content p { margin-bottom: 16px; }
.article-content img { max-width: 100%; border-radius: var(--radius); }
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
}
.article-nav a {
    flex: 1;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-secondary);
}
.article-nav a:hover { color: var(--accent); border-color: var(--border-glow); }

.related-list { }
.related-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
    align-items: center;
}
.related-item h5 { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.related-item span { font-size: 12px; color: var(--text-muted); }
.related-thumb { width: 60px; height: 45px; border-radius: 4px; object-fit: cover; flex-shrink: 0; }

/* ==========================================
   FEATURES GRID
   ========================================== */
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
}
.feature-check { color: var(--success); }

/* ==========================================
   PROCESS STEPS (通用)
   ========================================== */
.process-step-item { display: flex; gap: 16px; margin-bottom: 20px; }
.step-number {
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-weight: 600;
    flex-shrink: 0;
}
.step-content h4 { color: var(--text-white); margin-bottom: 4px; }
.step-content p { font-size: 13px; color: var(--text-muted); }

/* ==========================================
   PAGINATION
   ========================================== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 30px; }
.page-link {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.page-link:hover,
.page-link.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.page-info { font-size: 13px; color: var(--text-muted); margin-left: 10px; }

/* ==========================================
   EMPTY STATE
   ========================================== */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state p { color: var(--text-muted); font-size: 16px; }

/* ==========================================
   ERROR PAGE
   ========================================== */
.error-page { padding: 100px 0; text-align: center; }
.error-code { font-size: 120px; font-weight: 700; color: rgba(255,255,255,0.04); line-height: 1; }
.error-page h2 { font-size: 28px; color: var(--text-secondary); margin: 16px 0; }

/* ==========================================
   ONLINE SERVICE
   ========================================== */
.online-service { position: fixed; right: 20px; bottom: 100px; z-index: 999; }
.service-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-blue);
    color: #fff;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(79, 143, 255, 0.4);
    transition: var(--transition);
}
.service-toggle:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(79, 143, 255, 0.6); }
.service-panel {
    display: none;
    position: absolute;
    right: 0;
    bottom: 60px;
    width: 280px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: rgba(79, 143, 255, 0.15);
    color: #fff;
}
.service-header h4 { font-size: 15px; }
.service-close { background: none; border: none; color: #fff; font-size: 18px; cursor: pointer; opacity: 0.7; }
.service-close:hover { opacity: 1; }
.service-body { padding: 18px; }
.service-body p { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.btn-service {
    display: block;
    padding: 10px;
    border-radius: var(--radius);
    text-align: center;
    margin-bottom: 10px;
    font-size: 14px;
    text-decoration: none;
}
.btn-tel { background: var(--success); color: #000; }
.btn-msg { background: var(--info); color: #000; }
.service-qrcode { text-align: center; margin-top: 12px; }
.service-qrcode p { font-size: 12px; margin-bottom: 8px; }
.qrcode-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: rgba(255,255,255,0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-muted);
    border-radius: 4px;
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 40px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer {
    background: var(--bg-darker);
    color: #fff;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-subtle);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h4 { font-size: 16px; margin-bottom: 16px; color: var(--text-white); }
.footer-col p { font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-muted); font-size: 13px; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 20px;
    text-align: center;
}
.footer-bottom p { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }

/* ==========================================
   CASE GALLERY
   ========================================== */
.case-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.gallery-item { border-radius: var(--radius); overflow: hidden; }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; }
.case-meta-list { }
.case-meta-item { padding: 12px 0; border-bottom: 1px solid var(--border-subtle); }
.case-meta-item .label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.case-meta-item .value { font-size: 14px; color: var(--text-secondary); }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tag {
    padding: 2px 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 4px;
    font-size: 12px;
}

/* ==========================================
   DETAIL GRID
   ========================================== */
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.detail-item { }
.detail-item label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.detail-item span { font-size: 14px; color: var(--text-secondary); }
.detail-text {
    background: rgba(255,255,255,0.03);
    padding: 16px;
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-wrap;
}

/* ==========================================
   MODAL
   ========================================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
.modal-content {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
}
.modal-header h3 { font-size: 18px; color: var(--text-white); }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); }
.modal-close:hover { color: var(--text-white); }
.modal-body { padding: 24px; color: var(--text-secondary); }

/* ==========================================
   SWIPER (Banner - 旧版兼容)
   ========================================== */
.hero-banner { position: relative; overflow: hidden; }
.swiper-container { width: 100%; }
.slide-content {
    height: 550px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
}
.slide-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5,8,16,0.9) 0%, rgba(10,22,40,0.7) 100%);
}
.slide-content .container { position: relative; z-index: 1; }
.slide-content h2 { font-size: 48px; color: #fff; margin-bottom: 16px; font-weight: 700; }
.slide-content p { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 12px; }
.slide-subtitle { font-size: 16px; color: rgba(255,255,255,0.6); font-style: italic; }
.slide-content .btn { margin-right: 12px; margin-top: 10px; }
.slide-default { background: var(--gradient-hero); }
.swiper-pagination, .swiper-button-prev, .swiper-button-next { display: none; }

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}