/* ========== 新版站群双色主题变量（紫+青蓝） ========== */
:root {
    --main-purple: #7B2FF0;
    --main-cyan: #00D4FF;
    --dark-bg: #060F29;
    --shadow-purple: rgba(123, 47, 240, 0.12);
    --shadow-cyan: rgba(0, 212, 255, 0.3);
    --text-dark: #0F172A;
    --text-gray: #475569;
    --text-light: #94A3B8;
    --page-bg: #F7F9FF;
    --white: #FFFFFF;
    --border: #D8E3FF;
    --trans-fast: all 0.35s ease;
    --trans-slow: all 0.5s ease;
}
/* 减少动画兼容 */
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}
html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Microsoft YaHei", system-ui, sans-serif;
    font-size: 15px;
    color: var(--text-gray);
    background: var(--page-bg);
    line-height: 1.7;
    animation: pageFade 0.9s ease forwards;
}
ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: var(--trans-fast); }
img { max-width: 100%; display: block; }
/* 全局容器：桌面1200，移动端100%宽度 */
.main-container,
.header-container,
.sub-nav-box,
.data-row,
.footer-container {
    width: min(1200px, 100%);
    margin: 0 auto;
    padding: 0 12px;
}
/* 区块通用标题 */
.section-head { text-align: center; margin-bottom: 50px; }
.section-title {
    font-size: 30px;
    color: var(--main-purple);
    margin-bottom: 12px;
}
.section-title::after {
    content: "";
    width: 90px;
    height: 3px;
    margin: 16px auto 0;
    background: linear-gradient(90deg, var(--main-purple), var(--main-cyan));
    display: block;
}
.section-sub { font-size: 16px; color: var(--text-light); text-align: center; }
.more-link {
    display: block;
    width: fit-content;
    margin: 20px auto 0;
    padding: 12px 36px;
    border: 1px solid var(--main-purple);
    border-radius: 999px;
    color: var(--main-purple);
    transition: var(--trans-fast);
}
.more-link:hover {
    background: linear-gradient(90deg, var(--main-purple), var(--main-cyan));
    color: #fff;
    transform: translateY(-6px);
    box-shadow: var(--shadow-cyan);
}
/* ========== 顶部导航 ========== */
.header-top {
    background: var(--white);
    box-shadow: 0 3px 14px var(--shadow-purple);
    position: sticky;
    top: 0;
    z-index: 999;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 15px;
}
.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--main-purple);
}
.logo-text:hover {
    text-shadow: 0 0 14px rgba(0, 212, 255, 0.45);
}
.nav-ul { display: flex; gap: 34px; flex-wrap: wrap; justify-content: center; }
.nav-a {
    font-size: 16px;
    padding: 8px 0;
    position: relative;
    text-align: center;
}
.nav-a::after {
    content: "";
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--main-purple), var(--main-cyan));
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    transition: var(--trans-fast);
}
.nav-li.active .nav-a, .nav-a:hover { color: var(--main-purple); }
.nav-li.active .nav-a::after, .nav-a:hover::after { width: 100%; }
/* ========== 二级子导航 ========== */
.sub-nav-wrap {
    background: var(--white);
    padding: 30px 0;
    box-shadow: 0 2px 12px var(--shadow-purple);
    margin-bottom: 40px;
}
.sub-nav-box {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}
.sub-nav-box a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    padding: 9px 24px;
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 14px;
    transition: var(--trans-fast);
}
.sub-nav-box a.btn-info {
    background: linear-gradient(90deg, var(--main-purple), var(--main-cyan));
    color: #fff;
    border-color: transparent;
}
.sub-nav-box a.btn-light:hover {
    border-color: var(--main-purple);
    color: var(--main-purple);
}
.sub-nav-box .badge {
    margin-left: 9px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.badge-light { background: #fff; color: var(--main-purple); }
.badge.btn-info { background: var(--main-cyan); color: #000; }
/* ==================== 1、首页Banner ==================== */
.banner-wrap {
    height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(140deg, var(--dark-bg), var(--main-purple), var(--main-cyan));
    background-size: 380% 380%;
    animation: bannerBigFlow 12s infinite alternate-reverse;
}
/* 超长横向流光 */
.banner-light {
    position: absolute;
    width: 360%;
    height: 100%;
    left: -360%;
    top: 0;
    background: linear-gradient(90deg, transparent, rgba(0,212,255,0.5), transparent);
    animation: lightLongSlide 7s linear infinite;
    z-index: 1;
    pointer-events: none;
}
/* 对角交叉强光 */
.banner-slant-light {
    position: absolute;
    width: 320%;
    height: 320%;
    right: -320%;
    top: -60%;
    background: linear-gradient(140deg, transparent, rgba(123,47,240,0.35), transparent);
    animation: slantDiagonal 9s linear infinite reverse;
    z-index: 1;
    pointer-events: none;
}
/* 三层超大扩散波纹 */
.banner-wave {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 1;
}
.banner-wave span {
    position: absolute;
    border: 1px solid rgba(0,212,255,0.3);
    border-radius: 50%;
    animation: waveMassExpand 5.5s ease-out infinite;
}
.banner-wave span:nth-child(1) { width: 260px; height: 260px; animation-delay: 0s; }
.banner-wave span:nth-child(2) { width: 600px; height: 600px; animation-delay: 1.6s; }
.banner-wave span:nth-child(3) { width: 940px; height: 940px; animation-delay: 3.2s; }
/* 大范围漂浮粒子 */
.banner-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.banner-particles span {
    position: absolute;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 36px rgba(0, 212, 255, 0.8);
    animation: particleWideDrift 8s infinite ease-in-out;
}
.banner-particles span:nth-child(1) { width: 24px; height: 24px; top: 7%; left: 5%; }
.banner-particles span:nth-child(2) { width: 10px; height: 10px; top: 76%; left: 9%; animation-delay: 1.4s; }
.banner-particles span:nth-child(3) { width: 20px; height: 20px; top: 18%; right: 11%; animation-delay: 2.8s; }
.banner-particles span:nth-child(4) { width: 14px; height: 14px; top: 78%; right: 7%; animation-delay: 4.2s; }
.banner-particles span:nth-child(5) { width: 20px; height: 20px; top: 42%; left: 46%; animation-delay: 5.6s; }
/* 三层呼吸旋转圆环 */
.banner-circle {
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringHugePulse 3.6s infinite alternate;
    pointer-events: none;
    z-index: 1;
}
.banner-circle::before {
    content: "";
    position: absolute;
    width: 740px;
    height: 740px;
    border: 1px solid rgba(123,47,240,0.13);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringCounterRotate 16s linear infinite reverse;
}
.banner-circle::after {
    content: "";
    position: absolute;
    width: 960px;
    height: 960px;
    border: 1px solid rgba(123,47,240,0.08);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringSlowPulse 10s infinite alternate reverse;
}
.banner-content { position: relative; z-index: 3; padding: 0 20px; text-align: center; }
.banner-title {
    font-size: 44px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 24px;
    animation: titleUpShow 1s ease forwards, titleDualGlow 3.4s infinite alternate;
    text-align: center;
}
.banner-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.95);
    margin-bottom: 44px;
    animation: titleUpShow 1s ease 0.3s both;
    text-align: center;
}
.banner-btn-group {
    display: flex;
    gap: 30px;
    justify-content: center;
    animation: titleUpShow 1s ease 0.5s both;
    flex-wrap: wrap;
}
.banner-btn {
    position: relative;
    overflow: hidden;
    padding: 14px 38px;
    border-radius: 999px;
    font-size: 18px;
    text-align: center;
}
.banner-btn::before {
    content: "";
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    transition: 0.7s ease;
}
.banner-btn:hover::before { left: 100%; }
.banner-btn.primary { background: #fff; color: var(--main-purple); }
.banner-btn.primary:hover {
    transform: translateY(-9px);
    box-shadow: 0 0 40px var(--shadow-cyan);
}
.banner-btn.outline { border: 2px solid #fff; color: #fff; }
/* ========== 内页通用Banner ========== */
.page-banner {
    padding: 54px 0;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    background: linear-gradient(140deg, var(--main-purple), var(--main-cyan));
    background-size: 240% 240%;
    animation: bannerBigFlow 14s infinite alternate;
}
.page-banner .main-container { position: relative; z-index: 2; text-align: center; }
.page-banner h1, .page-banner-title {
    font-size: 38px;
    margin-bottom: 16px;
    font-weight: bold;
    animation: fadeUpIn 0.9s ease;
    text-align: center;
}
.page-banner p {
    font-size: 19px;
    opacity: 0.93;
    animation: fadeUpIn 0.9s ease 0.24s both;
    text-align: center;
}
.breadcrumb { font-size: 14px; color: var(--text-gray); text-align: center; }
/* ========== 核心服务四栏 ========== */
.service-section { padding: 66px 0; }
.service-row { 
    display: grid; 
    grid-template-columns: repeat(4,1fr); 
    gap: 32px; 
    grid-auto-rows: 1fr;
}
.service-card {
    background: var(--white);
    padding: 40px 26px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-purple);
    transition: var(--trans-fast);
    animation: fadeUpIn 0.7s ease;
    height: 100%;
    min-height: 330px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.service-card:nth-child(2) { animation-delay: 0.14s; }
.service-card:nth-child(3) { animation-delay: 0.28s; }
.service-card:nth-child(4) { animation-delay: 0.42s; }
.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 14px 34px var(--shadow-purple);
}
.service-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto 24px;
    transition: var(--trans-fast);
    object-fit: contain;
}
.service-card:hover .service-icon { transform: scale(1.12); }
.card-title { 
    font-size: 21px; 
    color: var(--text-dark); 
    margin-bottom: 16px;
    min-height: 28px;
    text-align: center;
}
.card-text { 
    font-size: 15px; 
    color: var(--text-gray);
    min-height: 50px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    text-align: center;
}
/* ==================== 2、平台数据区 ==================== */
.data-stat-section {
    width: 100%;
    overflow: hidden;
    padding: 66px 20px;
    margin: 50px 0;
    position: relative;
    background: linear-gradient(95deg, var(--dark-bg), var(--main-purple), var(--main-cyan));
    background-size: 320% 320%;
    animation: dataWideShift 8.8s infinite alternate-reverse;
}
.data-stat-particle {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.data-stat-particle span {
    position: absolute;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 30px rgba(0,212,255,0.7);
    animation: dataBigWander 8.5s infinite ease-in-out;
}
.data-stat-particle span:nth-child(1) { width: 18px; height: 18px; top: 10%; left: 5%; }
.data-stat-particle span:nth-child(2) { width: 11px; height: 11px; top: 74%; left: 13%; animation-delay: 1.6s; }
.data-stat-particle span:nth-child(3) { width: 16px; height: 16px; top: 19%; right: 9%; animation-delay: 3.2s; }
.data-stat-particle span:nth-child(4) { width: 12px; height: 12px; top: 70%; right: 15%; animation-delay: 4.8s; }
.data-stat-particle span:nth-child(5) { width: 17px; height: 17px; top: 40%; left: 48%; animation-delay: 6.4s; }
.data-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(0,212,255,0.18);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: dataMassPulse 4s infinite alternate;
    z-index: 1;
    pointer-events: none;
}
.data-circle::before {
    content: "";
    position: absolute;
    width: 580px;
    height: 580px;
    border: 1px solid rgba(123,47,240,0.11);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: fullRotateLoop 14s linear infinite reverse;
}
.data-row {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 26px;
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: center;
    min-height: 160px;
    align-items: center;
    justify-items: center;
}
.data-number {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 14px;
    text-shadow: 0 0 32px rgba(0,212,255,0.55);
    animation: numberBeatLarge 2.8s infinite ease-in-out;
    text-align: center;
}
.data-label { font-size: 17px; opacity: 0.94; text-align: center; }
/* ========== 优势&FAQ卡片 ========== */
.advantage-section, .faq-section { padding: 66px 0; }
.four-card-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; justify-items: center; }
.adv-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-purple);
    transition: var(--trans-fast);
    animation: fadeUpIn 0.7s ease;
    width: 100%;
}
.four-card-grid .adv-card:nth-child(1) { animation-delay: 0s; }
.four-card-grid .adv-card:nth-child(2) { animation-delay: 0.16s; }
.four-card-grid .adv-card:nth-child(3) { animation-delay: 0.32s; }
.four-card-grid .adv-card:nth-child(4) { animation-delay: 0.48s; }
.adv-card:hover {
    transform: translateY(-16px);
    box-shadow: 0 16px 36px var(--shadow-purple);
}
.card-img-box { height: 180px; overflow: hidden; width: 100%; }
.card-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.adv-card:hover img { transform: scale(1.13); }
.card-text-box { padding: 30px 26px; text-align: center; }
.card-text-box h3 {
    font-size: 21px;
    color: var(--main-purple);
    margin-bottom: 16px;
    text-align: center;
}
.card-text-box p { font-size: 15px; line-height: 1.78; color: var(--text-gray); text-align: center; }
/* ==================== 3、底部转化行动区 ==================== */
.action-banner-section {
    position: relative;
    overflow: hidden;
    padding: 64px 0;
    margin: 52px 0;
    color: #fff;
    background: radial-gradient(circle at 10% 10%, rgba(0,212,255,0.18) 0%, transparent 50%),
    radial-gradient(circle at 90% 20%, rgba(123,47,240,0.11) 0%, transparent 45%),
    linear-gradient(140deg, var(--dark-bg), var(--main-purple), var(--main-cyan));
    background-size: 300% 300%;
    animation: actionWideFlow 8.5s infinite alternate-reverse;
}
.action-sweep {
    position: absolute;
    width: 180%;
    height: 100%;
    left: -180%;
    top: 0;
    background: linear-gradient(90deg, transparent, rgba(0,212,255,0.25), transparent);
    animation: sweepLeftLong 5.6s linear infinite;
    z-index: 1;
    pointer-events: none;
}
.action-sweep-rev {
    position: absolute;
    width: 180%;
    height: 100%;
    right: -180%;
    top: 0;
    background: linear-gradient(-90deg, transparent, rgba(123,47,240,0.19), transparent);
    animation: sweepRightLong 7.2s linear infinite reverse;
    z-index: 1;
    pointer-events: none;
}
.action-particle {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.action-particle span {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 24px rgba(0,212,255,0.6);
    animation: actionBigDrift 8s infinite ease-in-out;
}
.action-particle span:nth-child(1) { top: 9%; left: 7%; }
.action-particle span:nth-child(2) { top: 78%; left: 11%; animation-delay: 1.8s; }
.action-particle span:nth-child(3) { top: 17%; right: 9%; animation-delay: 3.6s; }
.action-particle span:nth-child(4) { top: 72%; right: 13%; animation-delay: 5.4s; }
.action-particle span:nth-child(5) { top: 38%; left: 49%; animation-delay: 7s; }
.action-circle {
    position: absolute;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(0,212,255,0.16);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: actionMassRing 3.8s infinite alternate;
    z-index: 1;
    pointer-events: none;
}
.action-circle::before {
    content: "";
    position: absolute;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(123,47,240,0.09);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: actionOppositeRing 7.6s infinite alternate reverse;
}
.action-inner {
    width: min(1200px,100%);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 0 12px;
    position: relative;
    z-index: 2;
    animation: blockUpShow 1.1s ease;
}
.action-text-box { max-width: 640px; text-align: center; width:100%; }
.action-text-box .action-h2-txt {
    font-size: 34px;
    margin-bottom: 16px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 20px rgba(255,54,70,0.65);
    animation: titleRedBreath 3.6s infinite alternate;
    margin-top: 0;
    text-align: center;
}
.action-text-box p {
    font-size: 18px;
    opacity: 0.91;
    color: #ffe8eb;
    text-align: center;
}
.action-button-group { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.action-btn {
    position: relative;
    overflow: hidden;
    padding: 17px 40px;
    border-radius: 999px;
    font-size: 17px;
    font-weight: 500;
    background: #f72c3d;
    color: #ffffff;
    border: none;
    transition: all 0.4s ease;
    text-align: center;
}
.action-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.32), transparent);
    transition: 0.6s ease;
}
.action-btn:hover::before { left: 100%; }
.action-btn:hover {
    background: #d61e2d;
    transform: translateY(-7px);
    box-shadow: 0 14px 30px rgba(247,44,61,0.36);
}
.action-btn.service-btn { background: transparent; border: 2px solid #fff; color: #fff; }
.action-btn.service-btn:hover { background: rgba(255,255,255,0.18); }
/* ========== 新闻列表 ========== */
.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item {
    display: flex;
    gap: 20px;
    background: var(--white);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow-purple);
    transition: var(--trans-fast);
}
.news-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px var(--shadow-purple);
}
.news-item-img { width: 220px; height: 142px; overflow: hidden; border-radius: 14px; flex-shrink:0; }
.news-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}
.news-item:hover img { transform: scale(1.1); }
.news-item-text { flex: 1; text-align: left; }
.news-item-text h2 { font-size: 21px; margin-bottom: 14px; }
.news-item-text h2 a { color: var(--text-dark); }
.news-item-text h2 a:hover { color: var(--main-purple); }
.news-info { font-size: 14px; color: var(--text-light); margin-bottom: 14px; }
.news-desc { color: var(--text-gray); line-height: 1.78; }
.page-box { text-align: center; margin-top: 60px; }
.page-box a {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid var(--border);
    margin: 0 6px;
    border-radius: 5px;
    text-align: center;
}
.page-box a:hover {
    background: linear-gradient(90deg, var(--main-purple), var(--main-cyan));
    color: #fff;
    border-color: transparent;
}
/* ========== 内容详情 ========== */
.single-content-box {
    background: var(--white);
    border-radius: 20px;
    padding: 46px;
    box-shadow: var(--shadow-purple);
    margin-bottom: 68px;
}
.content-body img, .detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    margin: 20px auto;
    display:block;
}
.content-body p, .detail-body p {
    line-height: 1.85;
    margin-bottom: 20px;
    color: var(--text-dark);
}
.detail-title {
    font-size: 34px;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.5;
}
.to_prev, .to_next { display: block; margin: 14px 0; color: var(--text-dark); text-align:center; }
.to_prev a, .to_next a { color: var(--main-purple); }
/* ========== 页脚 ========== */
.footer-wrap {
    background: #091430;
    color: #CCCCCC;
    padding: 58px 0 26px;
}
.footer-container {
    width: min(1200px, 100%);
    margin: 0 auto;
    padding: 0 15px;
    text-align:center;
}
.footer-contact p.footer-contact-txt {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 18px;
    color: #fff;
    text-align:center;
}
.footer-contact p { margin-bottom: 14px; font-size: 15px; text-align:center; }
.footer-link { margin-top: 36px; text-align:center; }
.footer-link a { margin: 0 14px; color: #AAAAAA; }
.footer-link a:hover { color: var(--main-cyan); }
.copyright-box {
    width: min(1200px,100%);
    margin: 48px auto 0;
    padding-top: 26px;
    border-top: 1px solid #1E2D50;
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
}
/* ========== 全局动画关键帧 ========== */
@keyframes pageFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUpIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; } }
@keyframes titleUpShow { from { opacity: 0; transform: translateY(46px); } to { opacity: 1; transform: translateY(0); } }
@keyframes blockUpShow { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; } }
/* Banner */
@keyframes bannerBigFlow { 0% { background-position: 0% 10%; } 100% { background-position: 100% 90%; } }
@keyframes lightLongSlide { 0% { left: -360%; } 100% { left: 360%; } }
@keyframes slantDiagonal { 0% { right: -320%; } 100% { right: 320%; } }
@keyframes waveMassExpand { 0 { width: 0; height: 0; opacity: 1; } 100 { width: 100%; height: 100%; opacity: 0; } }
@keyframes particleWideDrift { 0%,100% { transform: translate(0,0); opacity: 0.4; } 50 { transform: translate(-70px,-50px) scale(1.7); } }
@keyframes ringHugePulse { from { transform: translate(-50%,-50%) scale(0.7); } to { transform: translate(-50%,-50%) scale(1.4); } }
@keyframes ringCounterRotate { from { rotate: 0deg; } to { rotate: 360deg; } }
@keyframes ringSlowPulse { from { transform: translate(-50%,-50%) scale(1.45); opacity: 0.25; } to { transform: translate(-50%,-50%) scale(0.65); opacity: 1; } }
@keyframes titleDualGlow {
    from { text-shadow: 0 0 14px rgba(0,212,255,0.3); }
    to { text-shadow: 0 0 45px rgba(0,212,255,0.85), 0 0 70px rgba(123,47,240,0.4); }
}
/* 数据区 */
@keyframes dataWideShift { 0% { background-position: 0% 20%; } 100% { background-position: 100% 80%; } }
@keyframes dataBigWander { 0%,100% { transform: translate(0,0); } 50 { transform: translate(-55px,-45px) scale(1.6); } }
@keyframes dataMassPulse { from { scale: 0.78; } to { scale: 1.38; } }
@keyframes fullRotateLoop { 0% { rotate: 0deg; } 100% { rotate: 360deg; } }
@keyframes numberBeatLarge { 0%,100% { transform: scale(1); } 50 { transform: scale(1.25); } }
/* 转化区 */
@keyframes actionWideFlow { 0% { background-position: 0% 25%; } 100% { background-position: 100% 75%; } }
@keyframes sweepLeftLong { 0% { left: -180%; } 100% { left: 180%; } }
@keyframes sweepRightLong { 0% { right: -180%; } 100% { right: 180%; } }
@keyframes actionBigDrift { 0%,100% { transform: translateY(0); } 50 { transform: translateY(-40px) translateX(30px); } }
@keyframes actionMassRing { from { scale: 0.82; } to { scale: 1.3; } }
@keyframes actionOppositeRing { from { scale: 1.3; } to { scale: 0.8; } }
@keyframes titleRedBreath {
    from { text-shadow: 0 0 16px rgba(255,54,70,0.5); }
    to { text-shadow: 0 0 34px rgba(255,54,70,0.8), 0 0 58px rgba(255,70,90,0.42); }
}

/* ========== 平板适配 769px ~ 1000px ========== */
@media screen and (max-width:1000px) {
    .service-row, .data-row, .four-card-grid {
        grid-template-columns: repeat(3,1fr);
        justify-items:center;
    }
    .action-inner { gap: 32px; }
}

/* ========== 手机端核心适配 <768px（全部强制居中修复） ========== */
@media screen and (max-width:768px) {
    /* 关闭所有重型动画，解决卡顿、溢出 */
    .banner-light,.banner-slant-light,.banner-wave,.banner-particles,.banner-circle,
    .data-stat-particle,.data-circle,
    .action-sweep,.action-sweep-rev,.action-particle,.action-circle {
        display: none !important;
        animation: none !important;
    }
    /* Banner高度自适应，全部文字居中 */
    .banner-wrap { height: auto; padding: 70px 15px; text-align:center; }
    .banner-content { text-align:center; }
    .banner-title { font-size: 32px; text-align:center; }
    .banner-desc { text-align:center; }
    .banner-btn-group { flex-direction: column; align-items: center; width: 100%; }
    .banner-btn { width: 100%; max-width:300px; }

    .page-banner h1,.page-banner-title { font-size: 30px; text-align:center; }
    .page-banner p { text-align:center; }

    /* 顶部导航垂直排列，全部居中 */
    .header-container { flex-direction: column; gap: 20px; text-align:center; }
    .logo-text { display:block; text-align:center; }
    .nav-ul { flex-wrap: wrap; justify-content: center; gap: 24px; width:100%; }

    /* 二级导航居中、缩小尺寸 */
    .sub-nav-box { justify-content: center; gap:12px; }
    .sub-nav-box a { padding:6px 14px; font-size:13px; }

    /* 所有网格板块统一单列，格子内容强制居中 */
    .service-row,.data-row,.four-card-grid { 
        grid-template-columns: 1fr; 
        gap: 24px;
        justify-items:center;
    }
    .service-card { min-height: auto; padding: 30px 20px; width:100%; max-width:450px; }

    /* 区块上下内边距缩小 */
    .service-section,.advantage-section,.faq-section { padding: 48px 0; }
    .section-title { font-size: 24px; text-align:center; }
    .section-sub { text-align:center; }

    /* 查看更多按钮容器强制居中 */
    .section-head { text-align:center; }
    .more-link { display:block; width:fit-content; margin:0 auto; }

    /* 底部转化区：上下堆叠，文字、按钮全部居中 */
    .action-inner {
        flex-direction: column;
        text-align: center;
        gap: 36px;
    }
    .action-text-box { text-align:center; }
    .action-text-box .action-h2-txt { font-size: 28px; text-align:center; }
    .action-text-box p { text-align:center; }
    .action-button-group { flex-wrap: wrap; justify-content: center; }
    .action-btn { width: 100%; max-width:320px; text-align: center; padding: 14px 28px; font-size: 16px; }

    /* 数据数字缩小居中 */
    .data-number { font-size: 32px; text-align:center; }
    .data-label { text-align:center; }

    /* 新闻卡片上下排列，图片铺满，文字左对齐不影响 */
    .news-item { flex-direction: column; }
    .news-item-img { width: 100%; height: auto; }

    /* 详情页居中修复 */
    .detail-title { font-size: 28px; text-align:center; }
    .single-content-box { padding: 24px !important; }
    .content-body img, .detail-body img { margin:16px auto; }

    /* 页脚全部居中 */
    .footer-contact p.footer-contact-txt { font-size: 18px; text-align:center; }
    .footer-contact p { text-align:center; }
    .footer-link { text-align:center; }

    /* 分页按钮居中不变，缩小尺寸 */
    .page-box a { padding:6px 12px; font-size:14px; margin:0 4px; }
}