/* ============================================================
   CSS 自定义属性（亮色模式默认值）
   ============================================================ */
:root {
    --bg:              #ffffff;
    --bg-secondary:    #f9f9f9;
    --text-primary:    #1e1e1e;
    --text-body:       #3d4c63;
    --text-secondary:  #727272;
    --text-muted:      #999999;
    --text-link:       #333333;
    --border:          #dedede;
    --border-light:    #e9e9e9;
    --border-mid:      #b9b9b9;
    --border-strong:   #696969;
    --bullet-color:    #1e1e1e;
    --nav-gradient:    linear-gradient(90deg, rgba(37,37,37,0.6) 0, rgba(37,37,37,0.6) 100%);
    --nav-bg-mobile:   #ffffff;
    --header-active:   #ffffff;
    --copyright-color: #333333;
    --input-bg:        #f9f9f9;
    --mask-bg:         rgba(0,0,0,.8);
    --card-bg:         #F9F9F9;
    --count-num:       #1e1e1e;
    --footer-bg:       #ffffff;
    --btn-invert:      invert(0);
}

/* ============================================================
   暗黑模式变量（跟随系统偏好自动切换）
   ============================================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --bg:              #0d0d0d;
        --bg-secondary:    #181818;
        --text-primary:    #f0f0f0;
        --text-body:       #c0c8d4;
        --text-secondary:  #a0a0a0;
        --text-muted:      #666666;
        --text-link:       #cccccc;
        --border:          #2c2c2c;
        --border-light:    #222222;
        --border-mid:      #444444;
        --border-strong:   #555555;
        --bullet-color:    #f0f0f0;
        --nav-gradient:    linear-gradient(90deg, rgba(37,37,37,0.6) 0, rgba(37,37,37,0.6) 100%);
        --nav-bg-mobile:   #0d0d0d;
        --header-active:   #0d0d0d;
        --copyright-color: #aaaaaa;
        --input-bg:        #1a1a1a;
        --mask-bg:         rgba(0,0,0,.85);
        --card-bg:         #181818;
        --count-num:       #f0f0f0;
        --footer-bg:       #0d0d0d;
        --btn-invert:      invert(1);
    }
}

/* ============================================================
   重置
   ============================================================ */
*,
::before,
::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: 0 !important;
    -webkit-tap-highlight-color: transparent;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

a, abbr, acronym, address, applet, article, aside, audio, b, big,
blockquote, body, canvas, center, cite, code, dd, del, details, dfn,
div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form,
h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins,
kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre,
q, ruby, s, samp, section, small, span, strike, strong, sub, summary,
sup, time, tt, u, ul, var, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}

ol, ul { list-style: none; }

blockquote, q { quotes: none; }
blockquote::before, blockquote::after,
q::before, q::after { content: ""; }

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* ============================================================
   基础
   ============================================================ */
body {
    color: var(--text-body);
    background: var(--bg);
    font: 14px/1.5 "PingFang", sans-serif;
    transition: background .3s, color .3s;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

a {
    color: var(--text-link);
    text-decoration: none;
}
a:hover { color: inherit; }

img {
    max-width: 100%;
    border: none;
}

em, i { font-style: normal; }

input, select, textarea {
    font-size: 12px;
    color: var(--text-primary);
    font-family: "PingFang", sans-serif;
    outline: 0;
    box-sizing: border-box;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"],
select {
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

input[type="password"]:focus,
input[type="tel"]:focus,
input[type="text"]:focus {
    background: var(--bg);
    border: 1px solid #bbb;
}

::-webkit-input-placeholder { color: var(--text-muted); }
::placeholder                { color: var(--text-muted); }
::-ms-clear, ::-ms-reveal   { display: none; }

/* ============================================================
   工具类
   ============================================================ */
.fix::before,
.fix::after {
    display: block;
    content: "";
    height: 0;
    clear: both;
}

.c   { clear: both; }
.l   { float: left; }
.r   { float: right; }

.ani {
    transition: .3s;
}

.unselect {
    -webkit-user-select: none;
    user-select: none;
}

/* ============================================================
   布局容器
   ============================================================ */
.wp  { max-width: 1720px; margin: 0 auto; }
.wp1 { max-width: 1640px; margin: 0 auto; }
.wp2 { padding: 0 140px 0 500px; }

.h50  { height: 50px;  clear: both; overflow: hidden; }
.h100 { height: 100px; clear: both; overflow: hidden; }

/* ============================================================
   字体
   ============================================================ */
@font-face {
    font-family: PingFang;
    src: url(../fonts/PingFang.ttf);
    font-display: swap;
}

/* ============================================================
   侧边导航
   ============================================================ */
.side-header {
    position: fixed;
    top: 0;
    left: -450px;
    width: 350px;
    height: 100vh;
    z-index: 100;
    transition: all 1.02s;
    background: var(--nav-gradient);
}

.side-header.open             { left: 0; }
.side-header.open .hd-nav li { transform: translateX(0); }

.side-header.active {
    background-color: var(--header-active);
    transition: none;
}

.header-inner {
    padding: 150px 0;
    height: 100%;
}

.header-con {
    margin-left: 65px;
    position: relative;
    height: 100%;
    width: 65%;
}

.header-con .logo {
    display: block;
    height: 80px;
    width: 80px;
}

.header-con .logo img {
    display: block;
    width: 75%;
    height: 100%;
}

/* 汉堡菜单 */
.menuBtn {
    position: absolute;
    width: 40px;
    height: 40px;
    right: 9px;
    top: 0;
    display: none;
}

.menuBtn span {
    height: 1px;
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: 24px;
    margin-left: -12px;
    background-color: var(--text-primary);
    transition: .3s ease;
}

.menuBtn span::before,
.menuBtn span::after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    display: block;
    width: 100%;
    height: 100%;
    background-color: var(--text-primary);
    transform-origin: 50% 0;
    transition: .3s ease;
}

.menuBtn span::before { transform: translate(-50%, -.28em); }
.menuBtn span::after  { transform: translate(-50%,  .28em); }

.menuBtn.open span            { background: transparent; }
.menuBtn.open span::before    { transform: translate(-50%, 0) rotate(45deg);  }
.menuBtn.open span::after     { transform: translate(-50%, 0) rotate(-45deg); }

/* 导航列表 */
.hd-nav {
    position: absolute;
    top: 50%;
    left: 0;
    min-width: 80px;
    transform: translateY(-50%);
}

.hd-nav li {
    display: block;
	color:#eaeaea;
    /* color: var(--text-primary); */
    font-size: 16px;
    position: relative;
    transform: translateX(-400px);
    padding: 20px 0 50px;
}

.hd-nav li:nth-child(1) { transition: all 1.0s; }
.hd-nav li:nth-child(2) { transition: all 1.4s; }
.hd-nav li:nth-child(3) { transition: all 1.8s; }
.hd-nav li:nth-child(4) { transition: all 2.0s; }

.hd-nav li a {
    display: block;
    position: relative;
    overflow: hidden;
    transition: all .15s ease-in-out;
}

.hd-nav li span {
    display: block;
    position: relative;
    white-space: nowrap;
    transform-origin: 100% 0%;
    transition: all .2s;
}

.hd-nav li span::after {
    content: attr(data-tooltip);
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
}

.hd-nav li:hover span,
.hd-nav li.active span,
.hd-nav li.on span {
    transform: translateY(-100%);
    transform-origin: 0% 0%;
}

/* 版权栏 */
.hd-copyright {
    color: var(--copyright-color);
    font-size: 14px;
    position: absolute;
    bottom: 50px;
    left: 65px;
	right: 15px; 
    transition: color .3s;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    background: var(--footer-bg);
    padding: 76px 0 29px;
    transition: background .3s;
}

.footer .wp {
    text-align: right;
    max-width: 100%;
    padding: 0 100px;
}

.ft-top { margin-bottom: 35px; }

.ft-top .logo {
    width: 140px;
    display: block;
    margin: 0 0 60px auto;
}

.ft-top .logo img {
    width: 100%;
    display: block;
    filter: var(--btn-invert);
}

.ft-top .detail-info {
    line-height: 1.25;
    color: var(--text-secondary);
    font-size: 16px;
}

.ft-top .detail-info p + p { margin-top: 15px; }
.ft-top .detail-info p a:hover { color: var(--text-primary); }

.copyright {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 2px solid var(--border-mid);
}

.copyright .info {
    position: absolute;
    left: 0; right: 0;
    font-size: 14px;
    line-height: 25px;
    color: var(--text-muted);
    text-align: center;
}

.copyright .info a {
    color: var(--text-muted);
    transition: color .3s;
}
.copyright .info a:hover { color: var(--text-primary); }

/* 社交图标 */
.share-box {
    display: flex;
    justify-content: flex-end;
}

.share-box .social-share-icon {
    width: 32px; height: 32px;
    background-repeat: no-repeat;
    background-position: center;
    margin-left: 30px;
    transition: opacity .3s;
}

.share-box .social-share-icon.icon-weibo  { background-image: url(../images/fd-i1.png); }
.share-box .social-share-icon.icon-wechat { background-image: url(../images/fd-i4.png); position: relative; }
.share-box .social-share-icon.icon-qq     { background-image: url(../images/qq.png); }

.share-box .social-share-icon.icon-weibo:hover  { background-image: url(../images/fd-i1-on.png); }
.share-box .social-share-icon.icon-wechat:hover { background-image: url(../images/fd-i4-on.png); }
.share-box .social-share-icon.icon-qq:hover     { background-image: url(../images/qq-on.png); }

/* 链接图标组 */
.link-box {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 0 0 300px;
}

.link-box .link-item {
    display: block;
    flex: 0 0 32px;
    height: 32px;
    position: relative;
}

.link-box .link-item + .link-item { margin-left: 30px; }

.link-box .link-item .icon { height: 100%; position: relative; }

.link-box .link-item .icon img {
    display: block;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    transition: all .5s;
    width: 110%;
}

.link-box .link-item .icon img.on {
    opacity: 0;
    width: 85%;
}

.link-box .link-item:hover .icon img.on { opacity: 1; }

.link-box .link-item .qr {
    z-index: 10;
    display: none;
    width: 144px; height: 144px;
    background: #111;
    position: absolute;
    top: -163px; left: 50%;
    transform: translateX(-50%);
}

.link-box .link-item .qr img {
    display: block;
    width: 120px; height: 120px;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}

/* ============================================================
   首页轮播
   ============================================================ */
.main { overflow: hidden; }

.swi-ind {
    position: relative;
    overflow: hidden;
    height: 100vh;
}

.swi-ind .swiper-pagination {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 13px;
}

.swi-ind.swiper-container-horizontal > .swiper-pagination-bullets,
.swi-pagination-custom,
.swi-pagination-fraction {
    width: 100%;
    opacity: 1;
}

.swi-ind.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet,
.swi-ind .swiper-pagination-bullet {
    width: 13px; height: 13px;
    border: 1px solid var(--bullet-color);
    opacity: 1;
    border-radius: 50%;
    background: transparent;
    transition: background .3s;
    cursor: pointer;
    margin: 0 10px;
}

.swi-ind .swiper-pagination-bullet-active { background: var(--bullet-color); }

.swi-ind .swiper-slide { height: 105vh; }

.swi-ind .swiper-slide .wrap {
    width: 110vw; height: 110vh;
    margin-left: -5vw;
    margin-bottom: -10vh;
}

.swi-ind .swiper-slide .pic {
    display: block;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    height: 110vh;
    margin-top: -10vh;
}

.swi-ind .swiper-slide .ban-video video {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.swi-ind .swiper-slide[data-swiper-slide-index="4"] .pic {
    margin-top: 0;
    margin-bottom: -10vh;
}

/* 视差动画 */
.swi-ind .swiper-slide .wrap .pic {
    transform: translate3d(0, 0, 0);
    transition: all 5s;
}

.swi-ind .swiper-slide:first-child .wrap .pic {
    transform: translate3d(-5vw, 0, 0);
}

.swi-ind .swiper-slide-active .wrap .pic {
    transform: translate3d(0, 0, 0);
}

.swiper-container .swiper-wrapper {
    transition-timing-function: linear;
}

.mb-ban, .mb-ban2 { display: none; }

/* ============================================================
   作品列表
   ============================================================ */
.pro-wrap {
    overflow: hidden;
    margin-top: 20px;
}

.z-video {
    position: relative;
    margin-bottom: 40px;
}

.z-video video {
    display: block;
    max-width: 1440px;
    height: 56.25vw;
    margin: 0 auto;
    background: #000;
}

@media only screen and (min-width: 1200px) {
    .z-video video { height: 788px; }
}

.z-video .btn-play {
    position: absolute;
    top: 50%; left: 50%;
    margin: -32px 0 0 -32px;
    background: url(../images/play.png) no-repeat center / contain;
    width: 63px; height: 63px;
}

.product-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.product-list .pro-item {
    margin: 0 0 4px;
    flex: 0 0 33.3%;
    display: block;
}

.product-list .pro-item a {
    padding: 0 2px;
    display: block;
}

.product-list .pro-item a .inner { position: relative; }

/* 遮罩 */
.mask {
    opacity: 0;
    position: absolute;
    inset: 0;
    background-color: var(--mask-bg);
    z-index: 1;
    transition: opacity .5s;
}

.product-list .pro-item .pic {
    position: relative;
    overflow: hidden;
    padding-top: 100%;
    display: block;
}

.product-list .pro-item .pic img {
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    display: block;
    transition: transform .5s;
}

.product-list .pro-item:hover .mask { opacity: 1; }

.product-list .pro-item:hover .pic img {
    transform: scale(1.05);
}

.product-list .pro-item:hover .mask .text {
    margin-top: 0;
    opacity: 1;
}

.mask .text {
    color: #fff;
    position: absolute;
    top: 50%; left: 0; right: 0;
    transform: translateY(-50%);
    text-align: center;
    margin-top: 30px;
    opacity: 0;
    transition: all .6s;
}

.mask .text .tit { font-size: 22px; margin-bottom: 10px; }
.mask .text .txt { font-size: 16px; text-transform: uppercase; }

/* ============================================================
   作品详情
   ============================================================ */
.banner {
    padding-top: 56.25%;
    position: relative;
    overflow: hidden;
    display: block;
}

.pro-desc {
    padding: 100px 0 30px 360px;
    font-size: 18px;
    color: var(--text-primary);
}

.pro-desc .text-wrap + .text-wrap { margin-top: 15px; }
.pro-desc .txt + .txt             { margin-top: 5px; }
.pro-desc .txt em                 { font-weight: 700; }
.pro-desc p                       { line-height: 35px; margin-top: 20px; }

.pw-pic-wrap .pw-pic { display: block; }
.pw-pic + .pw-pic    { margin-top: 10px; }
.pw-pic img          { width: 100%; display: block; }

/* 推荐 */
.recommend-wrap {
    margin: 70px 0 20px;
}

.recommend-wrap .title {
    font-size: 32px;
    color: var(--text-primary);
    text-align: center;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 30px;
}

.recommend-wrap .rw-pic-list {
    display: flex;
    align-items: center;
}

.rw-pic-list .pic-wrap {
    display: block;
    flex: 0 0 calc(33.3% - 13px);
    position: relative;
    border-radius: 20px;
    width: 0;
    transition: transform .4s cubic-bezier(.39,.575,.565,1);
}

.rw-pic-list .pic-wrap:hover { transform: scale(.93); }
.rw-pic-list .pic-wrap .mask { border-radius: 20px; z-index: 2; }
.rw-pic-list .pic-wrap + .pic-wrap { margin-left: 20px; }

.rw-pic-list .pic-wrap .pic {
    border-radius: 20px;
    padding-top: 47.85%;
    position: relative;
    overflow: hidden;
    display: block;
    z-index: 1;
}

.rw-pic-list .pic-wrap .pic img {
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    display: block;
    object-fit: cover;
    transition: transform .5s;
}

.rw-pic-list .pic-wrap:hover .mask            { opacity: 1; }
.rw-pic-list .pic-wrap:hover .mask .text      { margin-top: 0; opacity: 1; }
.rw-pic-list .pic-wrap:hover .pic img {
    transform: scale(1.05);
}

/* ============================================================
   关于页 / 全局统一对齐基准（以 m-title 为准）
   ============================================================ */
.about-us-wrap { padding: 0 0 100px; }

.auwb-wrap {
    padding-bottom: 80px;
    padding-top: 180px;
    border-bottom: 2px solid var(--border-light);
}

/* 全局统一和 m-title 左对齐：padding-left:360px */
.auw-box,
.ser-wrap,
.idean-wrap,
.count-box,
.team-wrap,
.needs-box,
.news-list {
    padding-left: 360px;
    margin-left: 0;
    padding-right: 0;
}

.g-title-wrap .tit {
    font-size: 54px;
    color: var(--text-primary);
    font-weight: 700;
}

.g-title-wrap .desc {
    margin: 40px 0 105px;
    line-height: 35px;
    font-size: 18px;
    color: var(--text-secondary);
}

.g-title-wrap .desc p + p { margin-top: 50px; }
.g-title-wrap .para        { font-size: 18px; margin-top: 40px; }

.idean-wrap { display: flex; }
.idean-wrap .item { flex: 0 0 33.3%; }

.idean-wrap .item .tit {
    position: relative;
    margin-bottom: 30px;
}

.idean-wrap .item .tit span {
    font-weight: 700;
    font-size: 32px;
    color: var(--text-primary);
}

.idean-wrap .item .tit em {
    z-index: -1;
    font-size: 52px;
    font-weight: 700;
    color: var(--border-light);
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
}

.idean-wrap .item .txt {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 关于轮播 */
.auwb-swi {
    position: relative;
    overflow: hidden;
    padding-bottom: 80px;
    border-bottom: 2px solid var(--border-light);
}

.auwb-swi .pic {
    padding-top: 54.25%;
    position: relative;
    display: block;
    overflow: hidden;
}

.auwb-swi .pic img {
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    display: block;
    object-fit: cover;
}

.auwb-swi .swiper-pagination {
    position: absolute;
    bottom: 95px;
}

.auwb-swi.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet,
.auwb-swi .swiper-pagination-bullet {
    width: 13px; height: 13px;
    border: 1px solid var(--bullet-color);
    opacity: 1;
    border-radius: 50%;
    background: transparent;
    transition: background .3s;
    cursor: pointer;
    margin: 0 10px;
}

.auwb-swi .swiper-pagination-bullet-active { background: var(--bullet-color); }

/* 列表行式卡片 */
.swr-wrap-row {
    display: flex;
    align-items: center;
    border-radius: 20px;
    background: var(--bg-secondary);
    transition: transform .4s cubic-bezier(.39,.575,.565,1), background .3s;
}

.swr-wrap-row:hover { transform: scale(.93) !important; }
.swr-wrap-row + .swr-wrap-row { margin-top: 30px; }

.swr-wrap-row .pic-wrap { flex: 0 0 711px; display: block; }

.swr-wrap-row .pic-wrap .pic {
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
    overflow: hidden;
    display: block;
    z-index: 2;
    position: relative;
}

.swr-wrap-row .pic-wrap .pic img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s;
}

.swr-wrap-row:hover .pic-wrap .pic img { transform: scale(1.2); }

.swr-wrap-row .desc {
    text-align: center;
    flex: 1;
    padding: 0 40px;
}

.swr-wrap-row .desc .tit { font-size: 32px; color: var(--text-primary); font-weight: 700; }
.swr-wrap-row .desc .det {
    font-size: 20px; color: var(--text-secondary);
    margin: 40px 0 100px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    min-height: 56px;
}
.swr-wrap-row .desc .info { font-size: 24px; color: var(--text-link); }

.aw1 { padding-bottom: 45px; }

.auwb-pic .pic img {
    object-fit: fill;
    display: block;
}

/* 数字统计 */
.count-box {
    display: flex;
    justify-content: center;
    margin-top: 80px;
}

.count-box .cb-i {
    flex: 0 0 calc(25% - 60px);
    text-align: center;
}

.count-box .cb-i .tit { color: var(--text-secondary); font-size: 24px; }

.count-box .cb-i .num {
    font-size: 86px;
    color: var(--count-num);
    position: relative;
}

.count-box .cb-i .num::after {
    content: '+';
    position: absolute;
    bottom: 20px;
    font-size: 24px;
    color: var(--count-num);
    font-weight: 400;
}

.aw2, .team-wrap { border-bottom: none; }

/* 团队卡片 */
.tw-box { margin: 0 auto; max-width: 1440px; }
.tw-box .tw-inner { display: flex; align-items: flex-start; flex-wrap: wrap; margin: 0 -30px -140px; }
.tw-box .tw-item  { margin: 0 30px 60px; flex: 0 0 calc(33.3% - 60px); border-radius: 20px; position: relative; }

.tw-box .tw-item .tw-top {
    padding-bottom: 70px;
    border-bottom: 2px solid var(--text-primary);
}
.tw-box .tw-item .tw-top .tit  { font-size: 16px; color: var(--text-primary); }
.tw-box .tw-item .tw-top .name { margin-top: 15px; font-size: 32px; font-weight: 700; color: var(--text-primary); }

.tw-item {
    perspective: 1000;
    transform-style: flat;
}

.tw-item.js-card .front-side { transform: rotateY(180deg); }
.tw-item.js-card .back-side  { transform: rotateY(360deg); z-index: 3; }

.front-side, .back-side {
    border-radius: 20px;
    padding: 30px;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: all .8s, background .3s;
    backface-visibility: hidden;
}

.front-side { position: relative; z-index: 2; }
.back-side  {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    transform: rotateY(180deg);
    z-index: 1;
}

.front-side .tw-bottom { display: flex; align-items: flex-end; justify-content: space-between; }
.front-side .tw-bottom .pic-wrap { flex: 0 0 270px; }

.front-side .tw-bottom .pic {
    padding-top: 107.41%;
    position: relative;
    overflow: hidden;
    display: block;
}

.front-side .tw-bottom .pic img {
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0; display: block;
}

.front-side .more {
    padding: 0; background: none; border: none;
    width: 55px; height: 55px;
}

.front-side .more svg circle {
    fill: transparent;
    stroke: var(--text-primary);
    stroke-width: 5;
    stroke-miterlimit: 10;
    transition: fill 1s cubic-bezier(.19,1,.22,1);
}

.front-side .more:hover svg circle {
    fill: var(--text-primary);
    stroke: transparent;
}

.front-side .tw-middle {
    padding: 20px 0 12px;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}

.front-side .tw-middle .tit  { color: var(--text-primary); }
.front-side .tw-middle .mail {
    color: var(--text-secondary);
    transition: color .6s;
}
.front-side .tw-middle .mail:hover { color: var(--text-primary); }

.back-side .tw-bottom { margin: 18px 0 0; font-size: 16px; }
.back-side .tw-bottom .desc { line-height: 2.1875; color: var(--text-primary); }

.tw-bottom .back {
    position: absolute; right: 30px; bottom: 30px;
    border: 1px solid var(--text-primary);
    width: 55px; height: 55px; border-radius: 30px;
    background: url(../images/arr-l1.png) no-repeat center/12px 12px;
    transition: all .6s;
    filter: var(--btn-invert);
}

.tw-bottom .back:hover {
    background-color: var(--text-primary);
    background-image: url(../images/arr-l.png);
    filter: none;
}

/* ============================================================
   页面标题区 基准样式
   ============================================================ */
.m-title { padding-left: 360px; }
.m-title h1 { color: var(--text-primary); font-size: 54px; }
.m-title .p-wrap { line-height: 35px; color: var(--text-primary); font-size: 18px; margin: 33px 0 50px; }
.wp1 .auwb-wrap .m-title { padding-left: 223px; }

/* ============================================================
   联系表单 —— 已按要求完整修改
   ============================================================ */
#msgForm {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding-left: 223px;
}
.msg-form-item {
    margin-bottom: 12px;
}
.msg-form-item input,
.msg-form-item textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    box-sizing: border-box;
    background: var(--bg);
}
.msg-form-item textarea {
    height: 100px;
    resize: none;
}
.msg-submit {
    background: #333;
    color: #fff;
    border: none;
    padding: 12px 0;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}
.msg-tip {
    margin-top: 10px;
    font-size: 14px;
    text-align: center;
}

/* ============================================================
   联系表单（原有）
   ============================================================ */
.needs-box {
    padding: 35px 0;
    background: var(--bg-secondary);
    border-radius: 20px;
    transition: background .3s;
}

.needs-box .inner { max-width: 1200px; margin: 0 auto; }

.needs-box .inner .title {
    font-size: 24px; color: var(--text-primary);
    padding-bottom: 53px;
    border-bottom: 2px solid var(--border-strong);
}

.needs-box .inner .input-box { margin: 30px 0 55px; }

.input-box input {
    border: none;
    border-bottom: 1px solid var(--border);
    background: var(--input-bg);
    width: 100%; height: 77px;
    color: var(--text-primary);
    font-size: 18px;
    transition: border-color .3s, background .3s;
}

.input-box input:focus {
    background: var(--input-bg);
    border-bottom-color: var(--text-primary);
}

.text-box .tit { font-size: 18px; color: var(--text-secondary); }

.text-box .needs {
    resize: none;
    width: 100%; height: 300px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--input-bg);
    padding: 15px; margin: 30px 10px;
    font-size: 18px; color: var(--text-primary);
    transition: background .3s, border-color .3s;
}

.text-box p { color: var(--text-muted); font-size: 14px; }

.submit { display: flex; align-items: center; margin-top: 40px; }
.submit span { color: var(--text-primary); font-size: 24px; }

.submit .btn {
    margin-left: 20px;
    border: 3px solid var(--text-primary);
    border-radius: 50%;
    width: 83px; height: 83px;
    background: url(../images/arr-r1.png) no-repeat center/25px 25px;
    transition: all .5s;
    filter: var(--btn-invert);
}

.submit .btn:hover {
    background-color: var(--text-primary);
    background-image: url(../images/arr-r.png);
    filter: none;
}

/* ============================================================
   联系信息
   ============================================================ */
.info-au-wrap { max-width: 1200px; margin: 0 auto; padding: 80px 0 0; }

.info-au { display: flex; flex-wrap: wrap; }

.info-au .iau-item { flex: 0 0 25%; text-align: center; }

.info-au .iau-item .icon {
    display: flex; align-items: center; justify-content: center;
    width: 103px; height: 103px;
    border: 3px solid var(--border-light);
    border-radius: 50%;
    margin: 0 auto;
}

.info-au .iau-item .icon img { width: 48px; height: 48px; display: block; }

.info-au .iau-item .tit {
    font-size: 24px; color: var(--text-primary);
    margin: 25px 0 5px; font-weight: 700;
}

.info-au .iau-item .desc { font-size: 16px; color: var(--text-secondary); line-height: 1.875; padding: 0 20px; }
.info-au .iau-item .desc a:hover { color: var(--text-primary); }

.map { width: 100%; height: 580px; overflow: hidden; border: none; }

/* ============================================================
   资讯列表
   ============================================================ */
.news-list { margin-top: 100px; }

.news-row {
    margin-bottom: 20px;
    display: flex;
    background: var(--bg-secondary);
    border-radius: 20px;
    align-items: flex-start;
    padding: 30px;
    transition: transform .4s cubic-bezier(.39,.575,.565,1), background .3s;
}

.news-row:hover { transform: scale(.93); }

.news-row .news-left { flex: 0 0 639px; border-radius: 10px; }

.news-left .pic {
    padding-top: 56.34%;
    overflow: hidden;
    position: relative;
    display: block;
    border-radius: 10px;
    z-index: 2;
}

.news-left .pic img {
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    display: block;
    border-radius: 10px;
    transition: transform .5s;
}

.news-row:hover .pic img { transform: scale(1.1); }

.news-right { flex: 1; margin-left: 60px; width: 0; }

.news-right .info {
    display: flex; align-items: center; justify-content: space-between;
    color: var(--text-muted); font-size: 18px;
}

.news-right .title {
    font-weight: 700; margin: 45px 0;
    color: var(--text-primary); line-height: 1.304; font-size: 46px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color .5s;
}

.news-right .desc {
    color: var(--text-primary); font-size: 20px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}

/* ============================================================
   详情页
   ============================================================ */
.details-wrap {
    padding: 154px 0 90px;
    border-bottom: 2px solid var(--border);
}

.details-wrap .m-title {
    padding-left: 0;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-light);
}

.dw-btn-group {
    display: flex; align-items: center; justify-content: space-between;
    padding: 30px 0;
    border-bottom: 2px solid var(--text-primary);
}

.dw-btn-group .back {
    display: block;
    border: 3px solid var(--text-primary);
    border-radius: 50%; height: 83px;
    transition: all .5s !important;
    background: url(../images/arr-l1.png) no-repeat center/25px 25px;
    filter: var(--btn-invert);
}

.dw-btn-group .back:hover {
    background-color: var(--text-primary);
    background-image: url(../images/arr-l.png);
    filter: none;
}

.dw-btn-group .link-wrap { flex: 0 0 160px; }
.dw-btn-group .link-wrap .tit { color: var(--text-primary); font-size: 16px; text-align: right; margin-bottom: 18px; }
.dw-btn-group .back-box { flex: 0 0 83px; }

.page-txt {
    padding-top: 45px;
    color: var(--text-primary);
    line-height: 1.875; font-size: 24px;
    opacity: 1 !important;
}

/* 更多资讯 */
.rw1 .title { text-align: left; }
.rw1 .more-list { display: flex; align-items: center; justify-content: space-between; }

.rw1 .more-list .more-item {
    flex: 0 0 calc(33.3% - 20px);
    padding: 20px;
    display: flex; align-items: flex-start;
    background: var(--bg-secondary);
    border-radius: 10px;
    transition: transform .4s cubic-bezier(.39,.575,.565,1), background .3s;
}

.more-item:hover { transform: scale(.93); }

.rw1 .more-list .news-left { flex: 0 0 290px; }
.rw1 .more-list .news-left .pic { border-radius: 5px; z-index: 2; }

.more-item:hover .news-left .pic img {
    transform: scale(1.1);
    backface-visibility: hidden;
}

/* ============================================================
   水平时间轴流程图
   ============================================================ */
.timeline-container {
  position: relative;
  padding-left: 360px;
  margin: 40px 0 60px;
  display: flex;
  justify-content: space-between;
  min-width: 1000px;
}

.timeline-line {
  position: absolute;
  top: 70px;
  left: 360px;
  right: 0;
  height: 2px;
  background: var(--text-primary);
  z-index: 1;
}

.timeline-item {
  position: relative;
  flex: 1;
  text-align: center;
  z-index: 2;
}

.node-top {
  font-size: 20px;
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 40px;
  line-height: 1.3;
}
.node-top span {
  font-size: 14px;
  font-weight: normal;
  color: var(--text-secondary);
}

.node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--text-primary);
  margin: 0 auto;
}
.timeline-item:last-child .node-dot {
  background: var(--text-primary);
}

.node-bottom {
  margin-top: 20px;
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
}

/* 修复：ser-wrap 与 auw-box 间距，对齐 timeline-container 的间距标准 */
.ser-wrap {
  margin-top: 40px !important;
}