/* ============================================
   优易搜企业官网 - 主样式
   品牌色：#33A8FF（主蓝） #FF7A00（辅橙） #76C52E（点缀绿）
   ============================================ */

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

:root {
    --brand-blue: #33A8FF;
    --brand-blue-dark: #2AA5FF;
    --brand-orange: #FF7A00;
    --brand-orange-dark: #FF8800;
    --brand-green: #76C52E;
    --color-white: #FFFFFF;
    --bg-soft: #F5F9FF;
    --border-soft: #DDEAF7;
    --text-1: #222222;
    --text-2: #444444;
    --text-3: #777777;
    --text-4: #99AABB;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(51,168,255,0.06);
    --shadow-md: 0 8px 24px rgba(51,168,255,0.10);
    --shadow-lg: 0 16px 40px rgba(51,168,255,0.14);
    --container: 1200px;
}

html { scroll-behavior: smooth; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-2);
    background: var(--color-white);
    line-height: 1.6;
    font-size: 15px;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   通用按钮
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1.5px solid transparent;
    white-space: nowrap;
    line-height: 1;
}

.btn-lg {
    padding: 15px 36px;
    font-size: 16px;
}

.btn-blue {
    background: var(--brand-blue);
    color: var(--color-white);
}
.btn-blue:hover {
    background: var(--brand-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(51,168,255,0.30);
}

.btn-orange {
    background: var(--brand-orange);
    color: var(--color-white);
}
.btn-orange:hover {
    background: var(--brand-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,122,0,0.30);
}

.btn-blue-outline {
    background: transparent;
    color: var(--brand-blue);
    border-color: var(--brand-blue);
}
.btn-blue-outline:hover {
    background: var(--brand-blue);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ============================================
   顶部导航
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    height: 76px;
}
.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    height: 68px;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-img {
    height: 68px;
    width: auto;
    display: block;
}

.logo-icon {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    font-family: "Helvetica Neue", Arial, sans-serif;
}
.q-orange { color: var(--brand-orange); }
.es-blue { color: var(--brand-blue); }

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.logo-cn {
    font-size: 20px;
    font-weight: 700;
    color: var(--brand-blue);
    letter-spacing: 1px;
}
.logo-slogan {
    font-size: 11px;
    color: var(--text-3);
    margin-top: 2px;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.nav-item {
    position: relative;
    padding: 8px 18px;
    color: var(--text-2);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}
.nav-item::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 0;
    height: 2px;
    background: var(--brand-blue);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.nav-item:hover, .nav-item.active {
    color: var(--brand-blue);
}
.nav-item:hover::after, .nav-item.active::after {
    transform: scaleX(1);
}

.nav-cta {
    padding: 10px 22px;
    font-size: 14px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-1);
    border-radius: 1px;
}

/* ============================================
   Banner 轮播
   ============================================ */
.banner {
    position: relative;
    height: 53.35vw;
    max-height: 760px;
    min-height: 360px;
    margin-top: 76px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 1100px 600px at 20% 35%, rgba(51,168,255,0.35), transparent 60%),
        radial-gradient(ellipse 900px 500px at 85% 70%, rgba(118,197,46,0.18), transparent 60%),
        radial-gradient(ellipse 800px 500px at 60% 0%, rgba(255,122,0,0.10), transparent 65%),
        linear-gradient(135deg, #061226 0%, #0A1E45 35%, #11305F 70%, #0E2A55 100%);
}

/* ===== 科技感装饰层 ===== */
.banner-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(51,168,255,0.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(51,168,255,0.10) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, transparent, #000 30%, #000 80%, transparent);
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 80%, transparent);
    pointer-events: none;
    animation: gridFloat 30s linear infinite;
}
.banner-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(51,168,255,0.7) 1px, transparent 1.6px);
    background-size: 56px 56px;
    background-position: 0 0;
    mask-image: linear-gradient(180deg, transparent, #000 40%, #000 90%, transparent);
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 40%, #000 90%, transparent);
    opacity: 0.55;
    pointer-events: none;
}
@keyframes gridFloat {
    to { background-position: 56px 56px; }
}

/* 顶部光带 */
.banner-glow {
    position: absolute;
    left: -20%;
    top: -10%;
    width: 140%;
    height: 80px;
    background: linear-gradient(90deg, transparent, rgba(51,168,255,0.45), rgba(118,197,46,0.20), transparent);
    filter: blur(20px);
    animation: glowSlide 8s ease-in-out infinite;
}
@keyframes glowSlide {
    0%, 100% { transform: translateX(-10%); opacity: 0.6; }
    50% { transform: translateX(10%); opacity: 1; }
}

/* 数据节点连线（伪元素连线点） */
.banner-nodes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 12% 80%, rgba(51,168,255,0.9) 0, transparent 2px),
        radial-gradient(circle at 28% 70%, rgba(118,197,46,0.7) 0, transparent 2px),
        radial-gradient(circle at 47% 88%, rgba(255,122,0,0.7) 0, transparent 2px),
        radial-gradient(circle at 68% 75%, rgba(51,168,255,0.85) 0, transparent 2px),
        radial-gradient(circle at 84% 82%, rgba(118,197,46,0.65) 0, transparent 2px),
        radial-gradient(circle at 18% 25%, rgba(51,168,255,0.5) 0, transparent 1.6px),
        radial-gradient(circle at 75% 18%, rgba(255,122,0,0.5) 0, transparent 1.6px);
    animation: nodeTwinkle 4s ease-in-out infinite;
}
@keyframes nodeTwinkle {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}
.banner-nodes::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, transparent 49.7%, rgba(51,168,255,0.18) 49.8%, rgba(51,168,255,0.18) 50.2%, transparent 50.3%) 0 80%/40% 30% no-repeat,
        linear-gradient(135deg, transparent 49.7%, rgba(118,197,46,0.18) 49.8%, rgba(118,197,46,0.18) 50.2%, transparent 50.3%) 100% 75%/35% 28% no-repeat;
}
.banner-nodes::after {
    content: '';
    position: absolute;
    left: 5%;
    right: 5%;
    bottom: 12%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent, rgba(51,168,255,0.25) 20%, rgba(51,168,255,0.25) 80%, transparent);
    filter: blur(0.5px);
}

/* 保留兼容：原 globe / network 不再使用，但保留类名不报错 */
.banner-globe, .banner-network { display: none; }

/* ===== Banner 图片模式（首张纯图片，自适应比例） ===== */
.banner-slide-image {
    background-image: url('../img/banner-hero.jpg?v=20260811a');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
    text-decoration: none;
}
/* 纯图片，不加任何遮罩或额外元素 */

.banner-slides {
    position: relative;
    height: 100%;
}
.banner-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}
.banner-slide.active { opacity: 1; }

.banner-content {
    position: relative;
    z-index: 2;
    padding: 60px 24px;
    max-width: 780px;
}
.banner-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(51,168,255,0.18);
    color: #7DCBFF;
    border: 1px solid rgba(51,168,255,0.35);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.banner-title {
    font-size: 52px;
    line-height: 1.2;
    color: #ffffff;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
    text-shadow: 0 2px 12px rgba(6,18,38,0.4);
}
.banner-title .highlight {
    color: #33A8FF;
    background: linear-gradient(135deg, #33A8FF 0%, #76C52E 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
}
.banner-title .highlight::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4px;
    height: 10px;
    background: rgba(51,168,255,0.25);
    z-index: -1;
    border-radius: 2px;
    box-shadow: 0 0 24px rgba(51,168,255,0.5);
}
.banner-subtitle {
    font-size: 20px;
    color: #76C52E;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.banner-desc {
    font-size: 16px;
    color: rgba(225,239,255,0.85);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 640px;
}
.banner-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.banner-stats {
    display: flex;
    gap: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(51,168,255,0.25);
}
.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-num {
    font-size: 30px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    text-shadow: 0 0 20px rgba(51,168,255,0.5);
}
.stat-label {
    font-size: 13px;
    color: rgba(180,210,240,0.75);
}

.banner-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    padding: 0 24px;
    pointer-events: none;
}
.banner-prev, .banner-next {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    color: var(--brand-blue);
    font-size: 28px;
    line-height: 1;
    box-shadow: var(--shadow-md);
    pointer-events: auto;
    transition: all 0.3s ease;
}
.banner-prev:hover, .banner-next:hover {
    background: var(--brand-blue);
    color: var(--color-white);
    transform: scale(1.1);
}

.banner-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}
.dot {
    width: 30px;
    height: 4px;
    background: rgba(51,168,255,0.25);
    border-radius: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
}
.dot.active {
    background: var(--brand-blue);
    width: 50px;
}

/* ============================================
   通用板块
   ============================================ */
.section {
    padding: 90px 0;
}
.section-services { background: var(--color-white); }
.section-process { background: var(--bg-soft); }
.section-advantages { background: var(--color-white); padding-bottom: 50px; }
.section-partners { background: var(--color-white); }
.section-academy { background: var(--bg-soft); position: relative; overflow: hidden; }
.section-faq { background: var(--color-white); }

.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 60px;
}
.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--brand-blue);
    letter-spacing: 3px;
    margin-bottom: 16px;
    padding: 4px 14px;
    background: rgba(51,168,255,0.08);
    border-radius: 4px;
}
.section-title {
    font-size: 36px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-lead {
    font-size: 16px;
    color: var(--text-3);
    line-height: 1.8;
}
.section-actions {
    text-align: center;
    margin-top: 48px;
}

/* ============================================
   服务项目
   ============================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.service-card {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 0 0 36px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 140px;
    background: linear-gradient(135deg, rgba(51,168,255,0.10), rgba(118,197,46,0.06));
    z-index: 0;
}
.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 2;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(51,168,255,0.30);
}
.service-card:hover::after {
    transform: scaleX(1);
}
.service-card-body {
    position: relative;
    z-index: 1;
    padding: 0 28px;
}
.service-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--brand-blue), #5BC0FF);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(51,168,255,0.25);
}
.service-icon svg {
    width: 38px;
    height: 38px;
}
.service-icon svg path,
.service-icon svg rect,
.service-icon svg circle {
    stroke: #fff !important;
    fill: transparent;
}
.service-icon svg path[fill="#33A8FF"] {
    fill: #fff !important;
}
.service-icon svg {
    width: 36px;
    height: 36px;
}
.service-card:hover .service-icon {
    transform: rotate(-6deg) scale(1.05);
    box-shadow: 0 12px 32px rgba(51,168,255,0.35);
}
.service-title {
    font-size: 19px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 8px;
}
.service-tag-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--brand-blue);
    background: rgba(51,168,255,0.10);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 14px;
    font-weight: 600;
}
.service-tag-tag.tag-orange {
    color: var(--brand-orange);
    background: rgba(255,122,0,0.10);
}
.service-tag-tag.tag-green {
    color: var(--brand-green);
    background: rgba(118,197,46,0.12);
}
.service-desc {
    font-size: 14px;
    color: var(--text-3);
    line-height: 1.8;
    margin-bottom: 18px;
}
.service-link {
    color: var(--brand-blue);
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.service-link:hover {
    gap: 10px;
    color: var(--brand-blue-dark);
}

/* ============================================
   核心优势 — 左右布局（左数据看板 + 右优势列表）
   ============================================ */
.advantage-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 48px;
}

/* ===== 左侧视频展示区 ===== */
.advantage-video {
    position: relative;
}
.advantage-video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #063F8E 0%, #1A5BD8 100%);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(8,38,108,0.30);
    display: flex;
    align-items: center;
    justify-content: center;
}
/* 视频背景装饰：节点 + 连线 */
.advantage-video-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.video-dot {
    position: absolute;
    border-radius: 50%;
}
.video-dot-1 { width:10px; height:10px; background:#33A8FF; top:14%; left:8%; animation: dotTwinkle 3s ease-in-out infinite; }
.video-dot-2 { width:8px;  height:8px;  background:#76C52E; top:32%; left:28%; animation: dotTwinkle 3.4s ease-in-out infinite 0.5s; }
.video-dot-3 { width:12px; height:12px; background:#33A8FF; top:8%;  left:46%; animation: dotTwinkle 3.2s ease-in-out infinite 1s; }
.video-dot-4 { width:8px;  height:8px;  background:#76C52E; top:78%; left:18%; animation: dotTwinkle 3.6s ease-in-out infinite 0.3s; }
.video-dot-5 { width:10px; height:10px; background:#33A8FF; top:84%; left:72%; animation: dotTwinkle 3.8s ease-in-out infinite 1.2s; }
.video-line {
    position: absolute;
    background: linear-gradient(90deg, rgba(51,168,255,0.30), rgba(118,197,46,0.30));
    height: 2px;
}
.video-line-1 { top:22%; left:8%;  width:30%; transform:rotate(12deg); transform-origin:left center; }
.video-line-2 { bottom:22%; right:8%; width:30%; transform:rotate(-12deg); transform-origin:right center; }
@keyframes dotTwinkle {
    0%,100% { opacity: 0.4; transform: scale(0.9); }
    50%     { opacity: 1;   transform: scale(1.1); }
}

/* 视频播放器 */
.advantage-video-screen {
    width: 78%;
    aspect-ratio: 16 / 10;
    background: #000;
    border-radius: 8px;
    border: 6px solid #0A2A6E;
    box-shadow: 0 16px 36px rgba(0,0,0,0.30);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    overflow: hidden;
}
.video-player {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.video-player.playing ~ .advantage-play,
.advantage-play.hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* 播放按钮 */
.advantage-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.30);
    transition: all 0.25s ease;
    z-index: 3;
    padding-left: 6px; /* 视觉居中三角形 */
}
.advantage-play:hover {
    transform: translate(-50%, -50%) scale(1.08);
    background: #fff;
    box-shadow: 0 12px 32px rgba(0,0,0,0.40);
}
.advantage-play::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.45);
    animation: playRipple 2.2s ease-out infinite;
}
@keyframes playRipple {
    0%   { transform: scale(0.9); opacity: 0.7; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ===== 右侧文案区 ===== */
.advantage-content {
    position: relative;
    padding: 12px 0;
}
.advantage-content-bg {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='400' viewBox='0 0 600 400'%3E%3Cg fill='none' stroke='%2333A8FF' stroke-width='0.6' opacity='0.18'%3E%3Ccircle cx='300' cy='200' r='160'/%3E%3Ccircle cx='300' cy='200' r='110'/%3E%3Ccircle cx='300' cy='200' r='60'/%3E%3Cellipse cx='300' cy='200' rx='160' ry='60'/%3E%3Cellipse cx='300' cy='200' rx='160' ry='100'/%3E%3Cellipse cx='300' cy='200' rx='160' ry='140'/%3E%3Cline x1='140' y1='200' x2='460' y2='200'/%3E%3Cline x1='300' y1='40' x2='300' y2='360'/%3E%3C/g%3E%3C/svg%3E") right center / contain no-repeat;
    pointer-events: none;
    opacity: 0.55;
}
.advantage-headline {
    position: relative;
    font-size: 56px;
    font-weight: 800;
    color: var(--text-1);
    letter-spacing: 6px;
    margin-bottom: 12px;
    line-height: 1;
}
.advantage-headline::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), transparent);
    margin-top: 14px;
    border-radius: 2px;
}
.advantage-subhead {
    position: relative;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 24px;
    line-height: 1.3;
}
.advantage-paragraph {
    position: relative;
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-3);
    margin-bottom: 28px;
    text-align: justify;
}
.advantage-paragraph strong {
    color: var(--brand-blue);
    font-weight: 700;
}
.advantage-more {
    position: relative;
    display: inline-block;
    padding: 12px 32px;
    background: var(--brand-blue);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.25s ease;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(51,168,255,0.30);
}
.advantage-more:hover {
    background: #1F8FDB;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(51,168,255,0.40);
}

/* ===== 下方 6 项优势 ===== */
.advantage-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.advantage-list-bottom {
    margin-top: 0;
}
.advantage-item {
    background: var(--color-white);
    border-radius: 12px;
    padding: 28px 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.advantage-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(51,168,255,0.14);
}
.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-green));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.advantage-item:hover::before {
    opacity: 1;
}
.advantage-check {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-blue), #1A5BD8);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.advantage-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 10px;
}
.advantage-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-3);
}

/* ============================================
   出海获客流程图
   ============================================ */
.process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
}
.process-step {
    flex: 1;
    min-width: 160px;
    max-width: 200px;
    text-align: center;
    padding: 0 8px;
}
.process-icon-wrap {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.process-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(51,168,255,0.20);
    transition: all 0.4s ease;
}
.process-step:hover .process-icon {
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 14px 36px rgba(51,168,255,0.30);
}
.process-num {
    position: absolute;
    top: -8px;
    right: 50%;
    transform: translateX(40px);
    background: var(--color-white);
    color: var(--brand-blue);
    font-size: 13px;
    font-weight: 800;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 2px solid var(--bg-soft);
    font-family: "Helvetica Neue", Arial, sans-serif;
}
.process-title {
    font-size: 17px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 8px;
}
.process-desc {
    font-size: 13px;
    color: var(--text-3);
    line-height: 1.6;
}
.process-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 26px;
    font-size: 24px;
    color: var(--brand-blue);
    font-weight: 300;
    opacity: 0.5;
    width: 32px;
    flex-shrink: 0;
}

/* ============================================
   合作企业Logo滚动
   ============================================ */
.partner-marquee {
    overflow: hidden;
    margin: 40px 0 24px;
    position: relative;
    padding: 24px 0;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.partner-track {
    display: flex;
    gap: 24px;
    width: max-content;
    animation: marquee 70s linear infinite;
}
.partner-marquee:hover .partner-track {
    animation-play-state: paused;
}
.partner-logo {
    flex-shrink: 0;
    width: 180px;
    height: 90px;
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    transition: all 0.3s ease;
}
.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0.95;
    transition: all 0.3s ease;
}
.partner-logo:hover {
    border-color: var(--brand-blue);
    box-shadow: 0 4px 16px rgba(51,168,255,0.12);
    transform: translateY(-2px);
}
.partner-logo:hover img {
    opacity: 1;
    transform: scale(1.05);
}
@keyframes marquee {
    to { transform: translateX(-50%); }
}
.partner-fallback {
    text-align: center;
    color: var(--text-4);
    font-size: 14px;
    margin-top: 16px;
    letter-spacing: 2px;
}

/* ============================================
   外贸学堂
   ============================================ */

/* Tabs 切换 */
.academy-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.academy-tab {
    padding: 10px 28px;
    border: 1.5px solid var(--border-soft);
    background: var(--color-white);
    color: var(--text-2);
    font-size: 15px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}
.academy-tab:hover {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
    transform: translateY(-2px);
}
.academy-tab.active {
    background: linear-gradient(135deg, #33A8FF, #1E7BC9);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(51,168,255,0.30);
}

/* Panel 切换 */
.academy-panel { display: none; }
.academy-panel.active { display: block; animation: fadeUp 0.5s ease; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.academy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.academy-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    border: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
}
.academy-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(51,168,255,0.40);
}
.academy-thumb {
    height: 168px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.academy-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 28px 28px;
    z-index: 0;
}
.academy-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.30), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.18), transparent 50%);
    z-index: 0;
}
.academy-thumb-icon {
    color: rgba(255,255,255,0.95);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 4px;
    z-index: 1;
    text-shadow: 0 2px 12px rgba(0,0,0,0.18);
    padding: 8px 22px;
    border: 2px solid rgba(255,255,255,0.55);
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(4px);
}

.academy-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.academy-cat {
    display: inline-block;
    align-self: flex-start;
    font-size: 12px;
    color: var(--brand-blue);
    background: rgba(51,168,255,0.10);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.academy-h3 {
    font-size: 17px;
    color: var(--text-1);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}
.academy-card:hover .academy-h3 { color: var(--brand-blue); }
.academy-excerpt {
    font-size: 13px;
    color: var(--text-3);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.academy-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-4);
    padding-top: 12px;
    border-top: 1px dashed var(--border-soft);
}
.academy-tag-new {
    margin-left: auto;
    padding: 2px 8px;
    background: rgba(255,122,0,0.10);
    color: var(--brand-orange);
    border-radius: 3px;
    font-weight: 700;
    font-size: 11px;
}

/* ============================================
   资讯 / FAQ
   ============================================ */
.faq-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
}
.faq-item {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.faq-item:hover { border-color: rgba(51,168,255,0.30); }
.faq-item.open { border-color: var(--brand-blue); }
.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 22px;
    font-size: 15px;
    color: var(--text-1);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: var(--color-white);
}
.faq-toggle {
    width: 26px;
    height: 26px;
    background: rgba(51,168,255,0.10);
    color: var(--brand-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.faq-item.open .faq-toggle {
    background: var(--brand-blue);
    color: var(--color-white);
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
    padding: 0 22px 20px;
    font-size: 14px;
    color: var(--text-3);
    line-height: 1.8;
}

.news-card {
    display: block;
    background: var(--bg-soft);
    padding: 22px 24px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}
.news-card:hover {
    background: var(--color-white);
    border-color: var(--border-soft);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}
.news-meta {
    font-size: 12px;
    color: var(--text-4);
    margin-bottom: 8px;
}
.news-title {
    font-size: 16px;
    color: var(--text-1);
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.5;
}
.news-excerpt {
    font-size: 13px;
    color: var(--text-3);
    line-height: 1.6;
}

/* ============================================
   底部
   ============================================ */
.footer {
    background: var(--bg-soft);
    padding-top: 70px;
    border-top: 1px solid var(--border-soft);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 50px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}
.footer-logo .logo-img {
    height: 56px;
}
.footer-about {
    font-size: 14px;
    color: var(--text-3);
    line-height: 1.8;
    padding-right: 30px;
}
.footer-title {
    font-size: 16px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-left: 12px;
}
.footer-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    background: var(--brand-blue);
    border-radius: 2px;
}
.footer-links li, .footer-contact li {
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-3);
    transition: color 0.3s ease;
}
.footer-links a:hover {
    color: var(--brand-blue);
    padding-left: 4px;
}
.footer-links a {
    transition: all 0.3s ease;
    display: inline-block;
}
.footer-contact li { line-height: 1.7; }
.fc-label {
    color: var(--text-1);
    font-weight: 600;
    margin-right: 4px;
}

.footer-bottom {
    background: var(--color-white);
    padding: 18px 0;
    border-top: 1px solid var(--border-soft);
}
.footer-bottom p {
    text-align: center;
    font-size: 13px;
    color: var(--text-4);
}
.footer-bottom a { color: var(--text-4); }
.footer-bottom a:hover { color: var(--brand-blue); }

/* ============================================
   右侧悬浮工具
   ============================================ */
.float-tool {
    position: fixed;
    right: 24px;
    bottom: 80px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.float-btn {
    width: 56px;
    height: 56px;
    background: var(--brand-blue);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 11px;
    font-weight: 500;
    box-shadow: 0 6px 20px rgba(51,168,255,0.35);
    transition: all 0.3s ease;
    cursor: pointer;
}
.float-btn:nth-child(2) { background: var(--brand-orange); box-shadow: 0 6px 20px rgba(255,122,0,0.35); }
.float-btn:nth-child(3) { background: var(--text-1); box-shadow: 0 6px 20px rgba(0,0,0,0.20); }
.float-btn:hover {
    transform: translateY(-4px) scale(1.05);
}
.float-btn span {
    margin-top: 2px;
}

/* ============================================
   滚动入场动画
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   文章详情页
   ============================================ */
.article-page {
    padding: 110px 0 80px;
    background: var(--bg-soft);
    min-height: 100vh;
}
.article-wrap {
    max-width: 820px;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 56px 64px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-soft);
}
.article-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
    font-size: 13px;
    color: var(--text-4);
    flex-wrap: wrap;
}
.article-meta .article-cat {
    background: rgba(51,168,255,0.10);
    color: var(--brand-blue);
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.article-meta span:not(.article-cat)::before { content: '·'; margin-right: 8px; color: #C8D5E5; }
.article-meta span:not(.article-cat):first-of-type::before { content: ''; margin: 0; }
.article-title {
    font-size: 32px;
    line-height: 1.4;
    color: var(--text-1);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}
.article-lead {
    font-size: 16px;
    color: var(--text-3);
    line-height: 1.7;
    margin-bottom: 32px;
    padding: 18px 22px;
    background: linear-gradient(135deg, rgba(51,168,255,0.06), rgba(118,197,46,0.05));
    border-left: 3px solid var(--brand-blue);
    border-radius: 4px;
}
.article-content { font-size: 15px; color: var(--text-2); line-height: 1.85; }
.article-content h2 {
    font-size: 22px;
    color: var(--text-1);
    font-weight: 700;
    margin: 36px 0 14px;
    padding-left: 12px;
    border-left: 4px solid var(--brand-blue);
}
.article-content h3 {
    font-size: 18px;
    color: var(--text-1);
    font-weight: 700;
    margin: 24px 0 10px;
}
.article-content p { margin-bottom: 14px; }
.article-content ul, .article-content ol { margin: 12px 0 18px 22px; }
.article-content li { margin-bottom: 8px; }
.article-content strong { color: var(--text-1); font-weight: 700; }
.article-content code {
    background: rgba(51,168,255,0.08);
    padding: 2px 7px;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--brand-blue);
    font-size: 14px;
}
.article-content blockquote {
    margin: 20px 0;
    padding: 16px 22px;
    background: var(--bg-soft);
    border-left: 4px solid var(--brand-orange);
    color: var(--text-2);
    border-radius: 4px;
}
.article-cta {
    margin: 40px 0 24px;
    padding: 28px 32px;
    background: linear-gradient(135deg, rgba(51,168,255,0.06), rgba(255,122,0,0.06));
    border-radius: var(--radius);
    text-align: center;
    border: 1px dashed var(--brand-blue);
}
.article-cta p { font-size: 15px; color: var(--text-2); margin-bottom: 16px; }
.article-back { text-align: center; margin-top: 24px; }

@media (max-width: 640px) {
    .article-wrap { padding: 36px 22px; }
    .article-title { font-size: 24px; }
    .article-content h2 { font-size: 18px; }
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .nav-cta { display: none; }
    .service-grid, .academy-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-layout { grid-template-columns: 1fr; gap: 40px; }
    .advantage-list { grid-template-columns: repeat(2, 1fr); }
    .process-flow { flex-wrap: wrap; gap: 12px; }
    .process-step { min-width: 140px; flex: 1 1 30%; }
    .process-arrow { display: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: 1fr; }
    .banner-title { font-size: 38px; }
    .banner-stats { gap: 24px; }
    .stat-num { font-size: 24px; }
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .section { padding: 60px 0; }
    .section-title { font-size: 26px; }
    .banner { height: 56vw; min-height: 280px; max-height: 480px; margin-top: 70px; }
    .banner-title { font-size: 30px; }
    .banner-subtitle { font-size: 16px; }
    .banner-stats { flex-wrap: wrap; gap: 16px; }
    .service-grid, .academy-grid { grid-template-columns: 1fr; }
    .advantage-list { grid-template-columns: 1fr; }
    .process-step { flex: 1 1 100%; max-width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .banner-controls { display: none; }
    .float-tool { right: 12px; bottom: 16px; }
    .float-btn { width: 48px; height: 48px; }
    .logo-slogan { display: none; }
    .banner-content { padding: 30px 16px; }
    .banner-actions { flex-direction: column; align-items: stretch; }
    .banner-actions .btn { width: 100%; }
}

/* ============================================
   内页通用
   ============================================ */
.page-banner {
    background: linear-gradient(135deg, #EAF4FF 0%, #FFFFFF 100%);
    padding: 130px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(51,168,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(51,168,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, #000 30%, transparent);
    -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent);
}
.page-banner > .container { position: relative; z-index: 1; }
.page-title {
    font-size: 40px;
    color: var(--text-1);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.page-subtitle {
    color: var(--text-3);
    font-size: 16px;
    max-width: 640px;
    margin: 0 auto;
}
.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-4);
    margin-top: 20px;
}
.breadcrumb a:hover { color: var(--brand-blue); }
.breadcrumb span { color: var(--text-3); }

.content-block {
    padding: 80px 0;
    background: var(--color-white);
}
.content-block + .content-block { background: var(--bg-soft); }
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.content-text h2 {
    font-size: 32px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}
.content-text p {
    color: var(--text-3);
    line-height: 1.9;
    margin-bottom: 16px;
    font-size: 15px;
}
.content-image {
    height: 380px;
    background: linear-gradient(135deg, var(--brand-blue), #5BC0FF);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 4px;
    box-shadow: var(--shadow-lg);
}
.content-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.30), transparent 50%);
}
.content-image.orange { background: linear-gradient(135deg, #FF7A00, #FFB25C); }
.content-image.green { background: linear-gradient(135deg, #76C52E, #A0E15C); }
.content-image span { z-index: 1; }

/* 真实图片替换占位色块 */
.content-image .content-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    display: block;
    position: relative;
    z-index: 1;
    transition: transform 0.5s ease;
}
.content-image:hover .content-img {
    transform: scale(1.03);
}
/* 取消占位时的渐变背景和伪元素（有图片时不需要） */
.content-image:has(.content-img) {
    background: none;
    box-shadow: var(--shadow-lg);
}
.content-image:has(.content-img)::after {
    display: none;
}

/* 团队合影 */
.team-photo-wrap {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.team-photo {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}
.team-photo-wrap:hover .team-photo {
    transform: scale(1.02);
}

.feature-list {
    margin-top: 30px;
}
.feature-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-soft);
}
.feature-item:last-child { border-bottom: none; }
.feature-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: rgba(51,168,255,0.10);
    color: var(--brand-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}
.feature-content h4 {
    color: var(--text-1);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}
.feature-content p {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

.cta-section {
    background: linear-gradient(135deg, var(--brand-blue) 0%, #5BC0FF 100%);
    padding: 70px 0;
    text-align: center;
    color: var(--color-white);
}
.cta-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}
.cta-section p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.team-card {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    transition: all 0.3s ease;
}
.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.team-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--brand-blue), #5BC0FF);
    color: var(--color-white);
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
}
.team-name {
    font-size: 17px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 4px;
}
.team-role {
    font-size: 13px;
    color: var(--brand-blue);
    margin-bottom: 12px;
}
.team-desc {
    font-size: 13px;
    color: var(--text-3);
    line-height: 1.6;
}

/* ============================================
   企业实力 · 数字统计条
   ============================================ */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: linear-gradient(135deg, var(--brand-blue) 0%, #1B96E8 100%);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}
.stats-bar::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 220px;
    height: 220px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}
.stats-bar::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: 10%;
    width: 160px;
    height: 160px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}
.stats-item {
    text-align: center;
    position: relative;
    z-index: 1;
}
.stats-num {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
    font-family: "Helvetica Neue", Arial, sans-serif;
}
.stats-num .stats-plus { font-size: 28px; vertical-align: super; margin-left: 2px; }
.stats-label { font-size: 14px; opacity: 0.9; }

/* ============================================
   企业文化 · 四卡片
   ============================================ */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.culture-card {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}
.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.culture-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(51,168,255,0.15);
    border-color: rgba(51,168,255,0.30);
}
.culture-card:hover::before { transform: scaleX(1); }
.culture-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 800;
    color: var(--color-white);
    font-family: "Helvetica Neue", Arial, sans-serif;
    transition: transform 0.35s ease;
}
.culture-card:hover .culture-icon { transform: scale(1.08) rotate(-3deg); }
.culture-icon.icon-blue   { background: linear-gradient(135deg, #33A8FF, #5BC0FF); }
.culture-icon.icon-orange { background: linear-gradient(135deg, #FF7A00, #FFA040); }
.culture-icon.icon-green  { background: linear-gradient(135deg, #76C52E, #9BE04A); }
.culture-icon.icon-cyan   { background: linear-gradient(135deg, #00BCD4, #4DE1F5); }
.culture-en {
    font-size: 12px;
    color: var(--text-4);
    letter-spacing: 2px;
    margin-bottom: 6px;
    font-weight: 600;
}
.culture-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 12px;
}
.culture-desc {
    font-size: 13px;
    color: var(--text-3);
    line-height: 1.7;
}

/* ============================================
   价值观 · 列表卡片
   ============================================ */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.value-item {
    background: var(--bg-soft);
    border-radius: var(--radius);
    padding: 28px 24px;
    border-left: 4px solid var(--brand-blue);
    transition: all 0.3s ease;
}
.value-item:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}
.value-item:nth-child(2) { border-left-color: var(--brand-orange); }
.value-item:nth-child(3) { border-left-color: var(--brand-green); }
.value-item:nth-child(4) { border-left-color: var(--brand-orange); }
.value-item:nth-child(5) { border-left-color: var(--brand-green); }
.value-item:nth-child(6) { border-left-color: var(--brand-blue); }
.value-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.value-emoji { font-size: 22px; }
.value-name { font-size: 17px; font-weight: 700; color: var(--text-1); }
.value-text { font-size: 13px; color: var(--text-3); line-height: 1.7; }

/* 团队卡片增强动效 */
.team-card { position: relative; overflow: hidden; }
.team-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(51,168,255,0.04));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.team-card:hover::after { opacity: 1; }
.team-avatar { transition: transform 0.35s ease, box-shadow 0.35s ease; }
.team-card:hover .team-avatar {
    transform: scale(1.08);
    box-shadow: 0 0 0 6px rgba(51,168,255,0.12);
}
.team-card:nth-child(2) .team-avatar { background: linear-gradient(135deg, #FF7A00, #FFA040); }
.team-card:nth-child(3) .team-avatar { background: linear-gradient(135deg, #76C52E, #9BE04A); }
.team-card:nth-child(4) .team-avatar { background: linear-gradient(135deg, #00BCD4, #4DE1F5); }
.team-card:nth-child(5) .team-avatar { background: linear-gradient(135deg, #33A8FF, #5BC0FF); }
.team-card:nth-child(6) .team-avatar { background: linear-gradient(135deg, #FF7A00, #FFA040); }
.team-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1024px) {
    .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .culture-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .stats-bar { grid-template-columns: 1fr; gap: 20px; padding: 32px 20px; }
    .culture-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}
.contact-info {
    background: var(--brand-blue);
    color: var(--color-white);
    padding: 50px 40px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}
.contact-info::after {
    content: '';
    position: absolute;
    right: -100px;
    bottom: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.10);
}
.contact-info h3 {
    font-size: 24px;
    margin-bottom: 14px;
    font-weight: 700;
}
.contact-info > p {
    opacity: 0.9;
    margin-bottom: 36px;
    line-height: 1.7;
    font-size: 14px;
}
.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}
.contact-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.18);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-item-text h5 {
    font-size: 13px;
    font-weight: 500;
    opacity: 0.85;
    margin-bottom: 4px;
}
.contact-item-text p {
    font-size: 16px;
    font-weight: 600;
}
.contact-form {
    background: var(--bg-soft);
    padding: 50px 40px;
    border-radius: var(--radius-lg);
}
.contact-form h3 {
    font-size: 24px;
    color: var(--text-1);
    margin-bottom: 8px;
    font-weight: 700;
}
.contact-form > p {
    color: var(--text-3);
    margin-bottom: 30px;
    font-size: 14px;
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-1);
    font-weight: 500;
}
.form-group label .req { color: var(--brand-orange); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-soft);
    border-radius: 8px;
    background: var(--color-white);
    font-size: 14px;
    color: var(--text-1);
    transition: all 0.3s ease;
    font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(51,168,255,0.10);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-submit {
    width: 100%;
    padding: 14px;
    background: var(--brand-orange);
    color: var(--color-white);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
    border: none;
}
.form-submit:hover {
    background: var(--brand-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,122,0,0.30);
}

.case-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.case-detail-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-soft);
    transition: all 0.4s ease;
}
.case-detail-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.case-detail-image {
    height: 220px;
    background: linear-gradient(135deg, var(--brand-blue), #5BC0FF);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 4px;
    position: relative;
}
.case-detail-image.orange { background: linear-gradient(135deg, #FF7A00, #FFB25C); }
.case-detail-image.green { background: linear-gradient(135deg, #76C52E, #A0E15C); }
.case-detail-image.gray { background: linear-gradient(135deg, #5B6B7E, #8895A8); }
.case-detail-image.purple { background: linear-gradient(135deg, #8B5CF6, #B196FF); }
.case-detail-image.dark { background: linear-gradient(135deg, #1E3A5F, #2C5282); }
.case-detail-body {
    padding: 28px;
}
.case-detail-body h3 {
    font-size: 19px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 8px;
}
.case-detail-body .meta {
    font-size: 12px;
    color: var(--text-4);
    margin-bottom: 12px;
}
.case-detail-body p {
    color: var(--text-3);
    line-height: 1.8;
    font-size: 14px;
    margin-bottom: 16px;
}
.case-detail-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.case-detail-tags span {
    font-size: 12px;
    padding: 4px 10px;
    background: rgba(51,168,255,0.10);
    color: var(--brand-blue);
    border-radius: 4px;
    font-weight: 600;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-detail-card {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
}
.news-detail-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(51,168,255,0.30);
}
.news-detail-image {
    height: 180px;
    background: linear-gradient(135deg, var(--brand-blue), #5BC0FF);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
}
.news-detail-image.orange { background: linear-gradient(135deg, #FF7A00, #FFB25C); }
.news-detail-image.green { background: linear-gradient(135deg, #76C52E, #A0E15C); }
.news-detail-image.gray { background: linear-gradient(135deg, #5B6B7E, #8895A8); }
.news-detail-image.purple { background: linear-gradient(135deg, #8B5CF6, #B196FF); }
.news-detail-image.dark { background: linear-gradient(135deg, #1E3A5F, #2C5282); }
.news-detail-body { padding: 24px; }
.news-detail-meta {
    font-size: 12px;
    color: var(--text-4);
    margin-bottom: 10px;
}
.news-detail-body h4 {
    font-size: 17px;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.5;
}
.news-detail-body p {
    font-size: 13px;
    color: var(--text-3);
    line-height: 1.7;
}

.service-detail-card {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 24px;
    transition: all 0.4s ease;
}
.service-detail-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(51,168,255,0.30);
}
.service-detail-head {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-soft);
}
.service-detail-head .service-icon { margin-bottom: 0; }
.service-detail-head h3 {
    font-size: 22px;
    color: var(--text-1);
    font-weight: 700;
}
.service-detail-head .tag {
    display: inline-block;
    font-size: 12px;
    color: var(--brand-blue);
    background: rgba(51,168,255,0.10);
    padding: 3px 10px;
    border-radius: 4px;
    margin-top: 4px;
    font-weight: 600;
}
.service-detail-card p {
    color: var(--text-3);
    line-height: 1.9;
    font-size: 15px;
    margin-bottom: 20px;
}
.service-detail-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
}
.service-detail-features li {
    color: var(--text-2);
    font-size: 14px;
    padding-left: 24px;
    position: relative;
    line-height: 1.7;
}
.service-detail-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--brand-green);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

@media (max-width: 1024px) {
    .content-grid, .contact-grid, .case-detail-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .service-detail-features { grid-template-columns: 1fr; }
    .page-title { font-size: 30px; }
}

@media (max-width: 640px) {
    .team-grid, .news-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .service-detail-card { padding: 24px; }
    .service-detail-head { flex-direction: column; align-items: flex-start; gap: 12px; }
    .contact-info, .contact-form { padding: 30px 24px; }
}