/* ===========================================================
   2026新版 · 大气企业风格  主题样式
   配色：主色 #0b61e7 · 导航/标题 #131414 + 金色点缀 #c8a35b
   =========================================================== */

/* 容器：全站基准宽度，居中 */
.width { width: 1200px; margin: 0 auto; }

/* 通用间距 */
.mt7 { margin-top: 7px; }
.mb10 { margin-bottom: 10px; }
.mb20 { margin-bottom: 20px; }
.mt10 { margin-top: 10px; }
.mt20 { margin-top: 20px; }
.mt30 { margin-top: 30px; }
.clear { clear: both; }

/* ===========================================================
   顶部条 topbars
   =========================================================== */
.topbars { background: #0b61e7; color: #c5cdd8; font-size: 13px; padding: 9px 0; }
.topbars .title { color: #c5cdd8; }
.topbars .title span { color: #e6c98a; }
.topbars .title a { color: #c5cdd8; margin-left: 4px; }
.topbars .title a:hover { color: #e6c98a; }
.topbars .lan .ui-nav ul li a { color: #c5cdd8; padding: 0 12px; font-size: 13px; }
.topbars .lan .ui-nav ul li a:hover { color: #e6c98a; }
.topbars .lan .ui-nav ul li ul { background: #1b3354; border-color: #2a4a6e; }
.topbars .lan .ui-nav ul li ul li a { color: #c5cdd8; }
.topbars .lan .ui-nav ul li ul li a:hover { background: #c8a35b; color: #0b61e7; }

/* 导航栏吸顶 sticky nav */
.site_nav_sticky { position: sticky; top: 0; z-index: 120; background: #fff; transition: box-shadow .25s ease; }
.site_nav_sticky.is-scrolled { box-shadow: 0 8px 28px rgba(11,97,231,.14); }
.site_nav_sticky.is-scrolled .ui-nav ul li a { line-height: 58px; font-size: 17px; }

/* ===========================================================
   头部 header（Logo + 搜索 + 热线）
   =========================================================== */
.header { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.header .logo img { max-height: 56px; }
.header .wrap { display: flex; align-items: center; }
.header .search { position: relative; margin-right: 26px; }
.header .search .ip { width: 220px; height: 42px; line-height: 42px; border: 1px solid #e3e8ee; border-radius: 42px; padding: 0 22px; font-size: 14px; color: #44505f; background: #f6f8fa; transition: all .3s ease; outline: none; }
.header .search .ip:focus { border-color: #c8a35b; background: #fff; }
.header .search .bnt { position: absolute; right: 4px; top: 4px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #0b61e7; color: #fff; cursor: pointer; font-size: 14px; transition: background .25s ease; }
.header .search .bnt:hover { background: #c8a35b; }
.header .tel { font-size: 14px; color: #8a93a0; white-space: nowrap; }
.header .tel span { display: block; font-size: 24px; font-weight: 800; color: #c8a35b; letter-spacing: 1px; }

/* ===========================================================
   主导航 nav
   =========================================================== */
.nav_bg { background: #fff; border-top: 1px solid #eef1f4; box-shadow: 0 6px 24px rgba(11,97,231,.04); }
.nav_bg .ui-nav ul li a { transition: line-height .25s ease, font-size .25s ease; }
.nav_bg .ui-nav ul { font-size: 0; text-align: center; }
.nav_bg .ui-nav ul li { display: inline-block; }
.nav_bg .ui-nav ul li a { display: block; padding: 0 28px; line-height: 66px; font-size: 18px; font-weight: 600; color: #131414; position: relative; transition: color .25s ease; }
.nav_bg .ui-nav ul li a::after { content: ""; position: absolute; left: 28px; right: 28px; bottom: 16px; height: 3px; background: #c8a35b; transform: scaleX(0); transform-origin: center; transition: transform .3s ease; }
.nav_bg .ui-nav ul li a:hover,
.nav_bg .ui-nav ul li.active a { color: #c8a35b; }
.nav_bg .ui-nav ul li a:hover::after,
.nav_bg .ui-nav ul li.active a::after { transform: scaleX(1); }
/* 下拉 */
.nav_bg .ui-nav ul li ul { border: 0; background: #fff; box-shadow: 0 14px 40px rgba(11,97,231,.14); border-radius: 0 0 12px 12px; overflow: hidden; z-index: 130; }
.nav_bg .ui-nav ul li ul li a { text-align: center; color: #131414; line-height: 48px; font-size: 16px; padding: 0 30px; }
.nav_bg .ui-nav ul li ul li a::after { display: none; }
.nav_bg .ui-nav ul li ul li a:hover { background: #0b61e7; color: #fff; }

/* ===========================================================
   首页轮播 banner（叠加数据条）
   =========================================================== */
.banner { position: relative; }
.banner .ui-carousel-item img { width: 100%; height: 600px; object-fit: cover; display: block; }
.banner .width { position: absolute; left: 0; right: 0; bottom: 38px; z-index: 6; }
.banner .ui_data { display: flex; background: rgba(18,32,52,.55); backdrop-filter: blur(6px); border-radius: 16px; padding: 30px 24px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.banner .ui_data_item { flex: 1; text-align: center; position: relative; }
.banner .ui_data_item::after { content: ""; position: absolute; right: 0; top: 18%; height: 64%; width: 1px; background: rgba(255,255,255,.14); }
.banner .ui_data_item:last-child::after { display: none; }
.banner .ui_data_item_head { font-size: 48px; font-weight: 800; color: #fff; line-height: 1.1; }
.banner .ui_data_item_head em { font-size: 20px; font-style: normal; color: #e6c98a; margin-left: 4px; }
.banner .ui_data_item_foot { color: #c5cdd8; font-size: 15px; margin-top: 10px; letter-spacing: 2px; }

/* ===========================================================
   版块标题 home_title
   =========================================================== */
.home_title { text-align: center; margin-bottom: 56px; }
.home_title .big { font-size: 42px; font-weight: 800; color: #131414; letter-spacing: 2px; position: relative; padding-bottom: 22px; }
.home_title .big::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 72px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, #c8a35b, #e6c98a); }
.home_title .small { font-size: 16px; color: #8a93a0; margin-top: 16px; letter-spacing: 4px; }
.home_title.home_title_white .big { color: #fff; }
.home_title.home_title_white .small { color: #aab3c0; }

/* 区块背景 */
.bg_gray { background: #f6f8fa; }
.bg_about { background: linear-gradient(135deg, #1b3354, #0f1c2e); padding: 96px 0; }

/* ===========================================================
   首页分类导航 home_nav
   =========================================================== */
.home_nav { text-align: center; margin-bottom: 44px; }
.home_nav ul { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 12px; list-style: none; margin: 0; padding: 0; }
.home_nav ul li { list-style: none; }
.home_nav ul li a { display: inline-block; padding: 9px 26px; border: 1px solid #e0e5ec; border-radius: 40px; font-size: 15px; color: #131414; transition: all .25s ease; }
.home_nav ul li a:hover { background: #0b61e7; color: #fff; border-color: #0b61e7; }

/* ===========================================================
   首页产品展示 home_pro
   =========================================================== */
.home_pro { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.home_pro li { width: 25%; padding: 0 12px; box-sizing: border-box; margin-bottom: 26px; }
.home_pro li a { display: block; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 30px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease; }
.home_pro li a:hover { transform: translateY(-10px); box-shadow: 0 22px 50px rgba(11,97,231,.14); }
.home_pro li .top { overflow: hidden; }
.home_pro li .top img { width: 100%; height: 230px; object-fit: cover; display: block; transition: transform .6s ease; }
.home_pro li a:hover .top img { transform: scale(1.08); }
.home_pro li .foot { padding: 22px 22px 26px; position: relative; }
.home_pro li .foot { font-size: 18px; font-weight: 700; color: #131414; }
.home_pro li .foot span { display: block; font-size: 13px; color: #8a93a0; margin-top: 8px; font-weight: 400; }
.home_pro li .foot .icon { position: absolute; right: 22px; top: 22px; width: 34px; height: 34px; border-radius: 50%; background: #f6f8fa; transition: background .25s ease; }
.home_pro li .foot .icon::after { content: "→"; display: block; text-align: center; line-height: 34px; color: #c8a35b; font-weight: 700; }
.home_pro li a:hover .foot .icon { background: #c8a35b; }
.home_pro li a:hover .foot .icon::after { color: #0b61e7; }

/* ===========================================================
   首页核心业务 / 产品展示（优化版）
   =========================================================== */
.home_section { padding-bottom: 72px; }
.home_business_section .business_core_cards { margin: 0; gap: 24px; }
.home_business_section .business_core_card { width: calc(33.333% - 16px); box-sizing: border-box; margin: 0 0 0; padding: 26px 24px 22px; }
.home_business_section .business_core_card .card_head { margin-bottom: 12px; }
.home_business_section .business_core_card h3 { font-size: 17px; }
.home_business_section .business_core_card .card_desc { font-size: 13px; line-height: 1.8; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.home_business_section .business_core_card .card_tags { margin-bottom: 12px; }

.home_product_groups { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 48px; }
.home_product_group { flex: 1; min-width: 320px; position: relative; border-radius: 18px; overflow: hidden; min-height: 320px; display: flex; align-items: flex-end; color: #fff; transition: transform .35s ease, box-shadow .35s ease; }
.home_product_group:hover { transform: translateY(-8px); box-shadow: 0 24px 56px rgba(11,97,231,.22); color: #fff; }
.home_product_group .group_bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .6s ease; }
.home_product_group:hover .group_bg { transform: scale(1.06); }
.home_product_group::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,22,38,.15) 0%, rgba(11,97,231,.82) 68%, rgba(15,28,46,.95) 100%); }
.home_product_group.is_service::after { background: linear-gradient(180deg, rgba(20,36,58,.12) 0%, rgba(27,51,84,.78) 68%, rgba(15,28,46,.94) 100%); }
.home_product_group .group_inner { position: relative; z-index: 2; padding: 34px 32px 30px; width: 100%; }
.home_product_group .badge { display: inline-block; font-size: 11px; letter-spacing: 3px; color: #e6c98a; font-weight: 700; margin-bottom: 12px; }
.home_product_group h3 { font-size: 28px; font-weight: 800; margin: 0 0 12px; color: #fff; line-height: 1.35; }
.home_product_group p { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.78); margin: 0 0 18px; max-width: 520px; }
.home_product_group .group_sub { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0 0 20px; padding: 0; }
.home_product_group .group_sub li { display: inline-block; padding: 6px 14px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); border-radius: 20px; font-size: 12px; color: rgba(255,255,255,.9); }
.home_product_group .group_more { font-size: 14px; font-weight: 700; color: #e6c98a; }

.home_product_hot { margin-top: 8px; }
.home_product_hot_head { text-align: center; margin-bottom: 32px; }
.home_product_hot_head .label { font-size: 12px; letter-spacing: 4px; color: #c8a35b; font-weight: 700; margin-bottom: 10px; }
.home_product_hot_head h3 { font-size: 28px; font-weight: 800; color: #131414; margin: 0; }
.home_product_hot .product_topic_grid li { width: 25%; }

.home_section_foot { text-align: center; margin-top: 12px; }
.home_more_btn { display: inline-flex; align-items: center; justify-content: center; min-width: 220px; height: 50px; padding: 0 32px; border-radius: 4px; background: linear-gradient(135deg, #c8a35b, #e6c98a); color: #0b61e7; font-size: 15px; font-weight: 700; box-shadow: 0 12px 28px rgba(200,163,91,.28); transition: transform .25s ease, box-shadow .25s ease; }
.home_more_btn:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(200,163,91,.38); color: #0b61e7; }

/* ===========================================================
   首页解决方案 home_solution（十大行业：一行五个，两排）
   =========================================================== */
.home_solution ul { display: flex; flex-wrap: wrap; margin: 0 -8px; list-style: none; padding: 0; }
.home_solution li { width: 20%; padding: 0 8px; box-sizing: border-box; margin-bottom: 16px; display: flex; }
.home_solution li a { display: flex; flex-direction: column; width: 100%; height: 100%; background: #fff; border: 1px solid #e8ecf2; border-radius: 14px; padding: 22px 16px 18px; position: relative; overflow: hidden; box-shadow: 0 8px 30px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.home_solution li a::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: linear-gradient(90deg, #c8a35b, #e6c98a); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.home_solution li a:hover { transform: translateY(-8px); box-shadow: 0 22px 50px rgba(11,97,231,.14); border-color: #c8a35b; }
.home_solution li a:hover::before { transform: scaleX(1); }
.home_solution li .num { font-size: 32px; font-weight: 800; font-style: italic; color: #eef1f6; line-height: 1; margin-bottom: 12px; transition: color .35s ease; }
.home_solution li a:hover .num { color: #f3e6c8; }
.home_solution li h3 { font-size: 15px; font-weight: 700; color: #131414; min-height: 42px; display: flex; align-items: flex-end; margin-bottom: 10px; }
.home_solution li p { font-size: 12px; line-height: 1.75; color: #7e8794; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.home_solution li .more { margin-top: auto; font-size: 12px; font-weight: 600; color: #c8a35b; }

/* ===========================================================
   首页关于我们 home_about
   =========================================================== */
.home_about { display: flex; align-items: center; gap: 60px; }
.home_about .video { width: 52%; border-radius: 18px; overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.3); }
.home_about .video img,
.home_about .video video { width: 100%; display: block; }
.home_about .desc { width: 48%; color: #c5cdd8; font-size: 16px; line-height: 2.1; }
.home_about .desc .more { margin-top: 28px; }
.home_about .desc .more a { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 50%; background: #c8a35b; color: #0b61e7; font-size: 22px; box-shadow: 0 12px 30px rgba(200,163,91,.4); transition: transform .25s ease; }
.home_about .desc .more a:hover { transform: translateY(-4px); }

/* ===========================================================
   首页客户案例 / 新闻中心 home_news
   =========================================================== */
.home_news ul { display: flex; flex-wrap: wrap; margin: 0 -12px; list-style: none; padding: 0; }
.home_news ul li { width: 33.333%; padding: 0 12px; box-sizing: border-box; margin-bottom: 26px; list-style: none; }
.home_news ul li a { display: block; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 30px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease; }
.home_news ul li a:hover { transform: translateY(-10px); box-shadow: 0 22px 50px rgba(11,97,231,.14); }
.home_news ul li .top { position: relative; overflow: hidden; }
.home_news ul li .top img { width: 100%; height: 220px; object-fit: cover; display: block; transition: transform .6s ease; }
.home_news ul li a:hover .top img { transform: scale(1.08); }
.home_news ul li .top .date { position: absolute; left: 16px; bottom: 16px; background: #c8a35b; color: #0b61e7; font-size: 14px; font-weight: 700; padding: 4px 14px; border-radius: 30px; }
.home_news ul li .foot { padding: 22px 22px 26px; }
.home_news ul li .foot .title { font-size: 18px; font-weight: 700; color: #131414; }
.home_news ul li .foot .desc { font-size: 14px; color: #8a93a0; line-height: 1.8; margin-top: 10px; height: 50px; overflow: hidden; }

/* 客户案例专题 case */
.case_hero_sub { min-height: 400px; }
.case_industry_grid { display: flex; flex-wrap: wrap; gap: 24px; }
.case_industry_card { width: calc(33.333% - 16px); box-sizing: border-box; display: flex; flex-direction: column; background: #fff; border: 1px solid #e8ecf2; border-radius: 16px; padding: 28px 26px 24px; box-shadow: 0 10px 36px rgba(11,97,231,.06); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; color: inherit; min-height: 220px; }
.case_industry_card:hover { transform: translateY(-8px); box-shadow: 0 24px 56px rgba(11,97,231,.14); border-color: #c8a35b; color: inherit; }
.case_industry_card .num { font-size: 36px; font-weight: 800; font-style: italic; color: #eef1f6; line-height: 1; margin-bottom: 12px; transition: color .3s ease; }
.case_industry_card:hover .num { color: #f3e6c8; }
.case_industry_card h3 { font-size: 20px; font-weight: 800; color: #131414; margin: 0 0 12px; line-height: 1.4; }
.case_industry_card p { font-size: 14px; line-height: 1.85; color: #7e8794; margin: 0 0 18px; flex: 1; }
.case_industry_card .more { font-size: 13px; font-weight: 700; color: #c8a35b; margin-top: auto; }
.case_topic_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; list-style: none; padding: 0; }
.case_topic_grid li { width: 33.333%; padding: 0 12px; box-sizing: border-box; margin-bottom: 26px; }
.case_topic_grid li a { display: block; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 30px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease; height: 100%; color: inherit; }
.case_topic_grid li a:hover { transform: translateY(-10px); box-shadow: 0 22px 50px rgba(11,97,231,.14); color: inherit; }
.case_topic_grid .top { position: relative; overflow: hidden; }
.case_topic_grid .top img { width: 100%; height: 220px; object-fit: cover; display: block; transition: transform .6s ease; }
.case_topic_grid li a:hover .top img { transform: scale(1.08); }
.case_topic_grid .top .date { position: absolute; left: 16px; bottom: 16px; background: #c8a35b; color: #0b61e7; font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 30px; }
.case_topic_grid .foot { padding: 22px 22px 26px; }
.case_topic_grid .foot .title { font-size: 18px; font-weight: 700; color: #131414; line-height: 1.5; }
.case_topic_grid .foot .desc { font-size: 14px; color: #8a93a0; line-height: 1.8; margin-top: 10px; height: 50px; overflow: hidden; }
.case_topic_grid .foot .more { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 700; color: #c8a35b; }
.case_topic_empty { width: 100%; padding: 48px 20px; text-align: center; color: #8a93a0; background: #f8fafc; border-radius: 12px; list-style: none; }

/* ===========================================================
   解决方案专题（大气版）solution_topic / solution_overview
   =========================================================== */
.solution_hero { position: relative; min-height: 460px; background-size: cover; background-position: center; display: flex; align-items: center; color: #fff; overflow: hidden; }
.solution_hero_overview { min-height: 420px; }
.solution_hero_mask { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(12,22,38,.88) 0%, rgba(11,97,231,.72) 55%, rgba(11,97,231,.45) 100%); }
.solution_hero_inner { position: relative; z-index: 2; padding: 70px 0 64px; max-width: 860px; }
.solution_hero_crumb { font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 28px; }
.solution_hero_crumb a { color: rgba(255,255,255,.75); }
.solution_hero_crumb a:hover { color: #e6c98a; }
.solution_hero_crumb span { margin: 0 8px; opacity: .5; }
.solution_hero_crumb em { font-style: normal; color: #e6c98a; }
.solution_hero_badge { display: inline-block; font-size: 12px; letter-spacing: 4px; color: #e6c98a; font-weight: 700; margin-bottom: 18px; padding-bottom: 10px; border-bottom: 2px solid rgba(200,163,91,.55); }
.solution_hero h1 { font-size: 48px; font-weight: 800; line-height: 1.25; margin: 0 0 20px; letter-spacing: 1px; text-shadow: 0 8px 30px rgba(0,0,0,.25); }
.solution_hero p { font-size: 17px; line-height: 1.95; color: rgba(255,255,255,.82); max-width: 760px; margin: 0; }
.solution_hero_actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn_gold,
.btn_line { display: inline-flex; align-items: center; justify-content: center; min-width: 148px; height: 48px; padding: 0 26px; border-radius: 4px; font-size: 15px; font-weight: 700; transition: all .3s ease; }
.btn_gold { background: linear-gradient(135deg, #c8a35b, #e6c98a); color: #0b61e7; box-shadow: 0 12px 28px rgba(200,163,91,.35); }
.btn_gold:hover { transform: translateY(-3px); color: #0b61e7; box-shadow: 0 16px 36px rgba(200,163,91,.45); }
.btn_line { border: 1px solid rgba(255,255,255,.45); color: #fff; background: rgba(255,255,255,.06); }
.btn_line:hover { background: #fff; color: #0b61e7; border-color: #fff; }

.solution_nav_bar { background: #fff; border-bottom: 1px solid #e8ecf2; position: sticky; top: var(--site-header-h, 0px); z-index: 20; box-shadow: 0 8px 24px rgba(11,97,231,.04); }
.solution_tabs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 14px 0; }
.solution_tabs li a { display: inline-block; padding: 10px 16px; border-radius: 4px; background: #f4f7fa; color: #131414; font-size: 13px; transition: all .25s ease; }
.solution_tabs li a:hover,
.solution_tabs li.active a { background: #0b61e7; color: #fff; }
.submenu { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.submenu li a { display: inline-block; padding: 8px 16px; border-radius: 30px; background: #f3f6f9; color: #131414; font-size: 14px; transition: all .25s ease; }
.submenu li a:hover,
.submenu li.active a { background: #0b61e7; color: #fff; }

.solution_section { padding: 72px 0; background: #fff; }
.solution_section_gray { background: #f5f7fa; }
.solution_section_dark { background: linear-gradient(145deg, #132033 0%, #1b3354 100%); color: #fff; }
.solution_section_head { text-align: center; margin-bottom: 48px; }
.solution_section_head .en { font-size: 12px; letter-spacing: 4px; color: #c8a35b; font-weight: 700; margin-bottom: 12px; }
.solution_section_head h2 { font-size: 34px; font-weight: 800; color: #131414; margin: 0 0 14px; }
.solution_section_head p { font-size: 15px; color: #7e8794; margin: 0 auto; max-width: 640px; line-height: 1.8; }
.solution_section_head.light .en { color: #e6c98a; }
.solution_section_head.light h2 { color: #fff; }
.solution_section_head.light p { color: rgba(255,255,255,.68); }

.solution_scene_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.solution_scene_item { width: 25%; padding: 0 12px; box-sizing: border-box; margin-bottom: 24px; }
.solution_scene_item .inner { height: 100%; background: #fff; border: 1px solid #e8ecf2; border-radius: 4px; padding: 28px 24px 26px; transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.solution_scene_item:hover .inner { transform: translateY(-8px); border-color: #c8a35b; box-shadow: 0 20px 44px rgba(11,97,231,.12); }
.solution_scene_item .num { font-size: 34px; font-weight: 800; font-style: italic; color: #eef1f6; line-height: 1; margin-bottom: 14px; }
.solution_scene_item h3 { font-size: 17px; font-weight: 800; color: #131414; margin: 0 0 10px; min-height: 48px; }
.solution_scene_item p { font-size: 13px; line-height: 1.8; color: #7e8794; margin: 0; }

.solution_value_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.solution_value_grid .item { width: 25%; padding: 0 12px; box-sizing: border-box; margin-bottom: 16px; }
.solution_value_grid .item .num { font-size: 42px; font-weight: 800; font-style: italic; color: rgba(230,201,138,.28); line-height: 1; margin-bottom: 16px; }
.solution_value_grid .item h3 { font-size: 20px; color: #fff; margin: 0 0 12px; font-weight: 800; }
.solution_value_grid .item p { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.68); margin: 0; padding-right: 10px; }

.solution_detail_box { background: #fff; border: 1px solid #e8ecf2; border-radius: 4px; padding: 40px 44px; box-shadow: 0 12px 40px rgba(11,97,231,.04); }
.solution_detail_box .content { font-size: 15px; line-height: 2; color: #5a6473; }

.solution_cta_band { background: linear-gradient(120deg, #0f1c2f 0%, #1b3354 50%, #243f63 100%); padding: 64px 0; }
.solution_cta_inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.solution_cta_inner .text .en { font-size: 12px; letter-spacing: 4px; color: #e6c98a; font-weight: 700; margin-bottom: 12px; }
.solution_cta_inner .text h3 { font-size: 30px; color: #fff; margin: 0 0 12px; font-weight: 800; }
.solution_cta_inner .text p { font-size: 15px; color: rgba(255,255,255,.7); margin: 0; }

.solution_more_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.solution_more_grid a { width: 33.333%; padding: 0 12px; box-sizing: border-box; margin-bottom: 24px; text-decoration: none; display: block; }
.solution_more_grid a .inner { height: 100%; background: #f8fafc; border: 1px solid #e8ecf2; border-radius: 4px; padding: 26px 24px 22px; transition: all .35s ease; }
.solution_more_grid a .num { font-size: 28px; font-weight: 800; font-style: italic; color: #e4e8ee; margin-bottom: 10px; }
.solution_more_grid a h4 { margin: 0 0 10px; font-size: 17px; color: #131414; font-weight: 800; }
.solution_more_grid a p { margin: 0 0 16px; font-size: 13px; color: #7e8794; line-height: 1.75; min-height: 68px; }
.solution_more_grid a span { font-size: 13px; font-weight: 700; color: #c8a35b; }
.solution_more_grid a:hover .inner { background: #0b61e7; border-color: #0b61e7; box-shadow: 0 18px 40px rgba(11,97,231,.16); transform: translateY(-8px); }
.solution_more_grid a:hover .num { color: rgba(230,201,138,.25); }
.solution_more_grid a:hover h4,
.solution_more_grid a:hover p { color: #fff; }
.solution_more_grid a:hover span { color: #e6c98a; }

/* 总览：左图右简介 */
.solution_overview_lr { display: flex; align-items: stretch; gap: 48px; }
.solution_overview_lr .pic { width: 48%; flex: 0 0 48%; border-radius: 4px; overflow: hidden; background: #eef2f6; min-height: 380px; position: relative; box-shadow: 0 24px 60px rgba(11,97,231,.14); }
.solution_overview_lr .pic img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 380px; }
.solution_overview_lr .pic .pic_tag { position: absolute; left: 0; bottom: 0; background: #c8a35b; color: #0b61e7; font-size: 12px; font-weight: 800; letter-spacing: 2px; padding: 12px 20px; }
.solution_overview_lr .desc { width: 52%; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.solution_overview_lr .desc .label { display: inline-block; font-size: 12px; letter-spacing: 3px; color: #c8a35b; font-weight: 700; margin-bottom: 14px; }
.solution_overview_lr .desc h2 { font-size: 36px; color: #131414; font-weight: 800; margin: 0 0 20px; line-height: 1.3; }
.solution_overview_lr .desc .intro { color: #5a6473; font-size: 16px; line-height: 2; margin: 0 0 20px; }
.solution_overview_lr .desc .content { color: #5a6473; font-size: 15px; line-height: 1.95; }
.solution_overview_lr .desc .content p { margin: 0 0 12px; }
.solution_overview_stats { display: flex; gap: 28px; margin-top: 28px; padding-top: 28px; border-top: 1px solid #e8ecf2; }
.solution_overview_stats div { min-width: 90px; }
.solution_overview_stats strong { display: block; font-size: 28px; color: #131414; font-weight: 800; margin-bottom: 6px; }
.solution_overview_stats span { font-size: 13px; color: #8a93a0; }

.solution_overview_rows { display: flex; flex-direction: column; gap: 28px; }
.solution_overview_row { display: flex; align-items: stretch; flex-direction: row; gap: 0; text-decoration: none; background: #fff; border: 1px solid #e8ecf2; border-radius: 4px; overflow: hidden; transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; min-height: 220px; }
.solution_overview_row.is_reverse { flex-direction: row-reverse; }
.solution_overview_row:hover { transform: translateY(-6px); border-color: #c8a35b; box-shadow: 0 22px 50px rgba(11,97,231,.12); }
.solution_overview_row .row_pic { width: 42%; flex: 0 0 42%; position: relative; overflow: hidden; background: linear-gradient(145deg, #132033, #1b3354); min-height: 220px; display: flex; align-items: center; justify-content: center; }
.solution_overview_row .row_pic img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 220px; transition: transform .6s ease; }
.solution_overview_row:hover .row_pic img { transform: scale(1.06); }
.solution_overview_row .row_pic_num { font-size: 72px; font-weight: 800; font-style: italic; color: rgba(255,255,255,.18); line-height: 1; }
.solution_overview_row .row_pic_index { position: absolute; left: 18px; bottom: 16px; font-size: 12px; letter-spacing: 2px; color: #e6c98a; font-weight: 700; }
.solution_overview_row.is_reverse .row_pic_index { left: auto; right: 18px; }
.solution_overview_row .row_desc { flex: 1; display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 36px 44px; }
.solution_overview_row .row_desc h3 { font-size: 26px; font-weight: 800; color: #131414; margin: 0 0 14px; }
.solution_overview_row .row_desc p { font-size: 15px; line-height: 1.95; color: #7e8794; margin: 0 0 22px; }
.solution_overview_row .row_desc .more { font-size: 14px; font-weight: 700; color: #c8a35b; }

/* 兼容旧类名 */
.solution_overview { background: transparent; border-radius: 0; padding: 0; box-shadow: none; }
.solution_topic { background: transparent; border-radius: 0; padding: 0; box-shadow: none; }
.solution_topic_hero .label,
.solution_overview_head .label { display: inline-block; font-size: 12px; letter-spacing: 3px; color: #c8a35b; font-weight: 700; margin-bottom: 12px; }

@media (max-width: 1024px) {
  .solution_hero { min-height: 360px; }
  .solution_hero h1 { font-size: 36px; }
  .solution_scene_item,
  .solution_value_grid .item,
  .solution_more_grid a { width: 50%; }
  .solution_overview_lr { flex-direction: column; gap: 28px; }
  .solution_overview_lr .pic,
  .solution_overview_lr .desc { width: 100%; flex-basis: auto; }
  .solution_overview_lr .pic,
  .solution_overview_lr .pic img { min-height: 240px; }
  .solution_overview_row,
  .solution_overview_row.is_reverse { flex-direction: column; }
  .solution_overview_row .row_pic { width: 100%; flex-basis: auto; min-height: 180px; }
  .solution_overview_row.is_reverse .row_pic_index { left: 18px; right: auto; }
  .solution_cta_inner { flex-direction: column; align-items: flex-start; }
  .solution_section { padding: 52px 0; }
}
@media (max-width: 640px) {
  .solution_hero_inner { padding: 48px 0 40px; }
  .solution_hero h1 { font-size: 28px; }
  .solution_hero p { font-size: 14px; }
  .solution_scene_item,
  .solution_value_grid .item,
  .solution_more_grid a { width: 100%; }
  .solution_section_head h2 { font-size: 26px; }
  .solution_overview_lr .desc h2 { font-size: 26px; }
  .solution_overview_row .row_desc { padding: 20px; }
  .solution_overview_row .row_desc h3 { font-size: 18px; }
  .hvac_adv_grid .item { min-width: 100%; }
  .hvac_fault_table { min-width: 0; }
  .hvac_fault_table thead { display: none; }
  .hvac_fault_table tr { display: block; margin-bottom: 16px; border: 1px solid #e8ecf2; border-radius: 12px; overflow: hidden; background: #fff; }
  .hvac_fault_table td { display: block; width: 100% !important; padding: 12px 16px; border-bottom: 1px dashed #eef1f4; }
  .hvac_fault_table td:last-child { border-bottom: 0; }
  .hvac_fault_table td::before { content: attr(data-label); display: block; font-size: 11px; font-weight: 700; letter-spacing: 1px; color: #c8a35b; margin-bottom: 6px; }
  .hvac_fault_table_wrap { border: 0; box-shadow: none; background: transparent; }
  .solution_cta_inner .text h3 { font-size: 22px; }
  .solution_overview_stats { flex-wrap: wrap; gap: 18px; }
}
.link { text-align: center; padding-bottom: 20px; }
.link a { display: inline-block; padding: 9px 24px; margin: 0 8px 12px; background: #fff; border: 1px solid #e6eaf0; border-radius: 30px; font-size: 14px; color: #5a6473; transition: all .25s ease; }
.link a:hover { background: #0b61e7; color: #fff; border-color: #0b61e7; }

/* 合作伙伴（logo 墙） */
.partner { display: flex; flex-wrap: wrap; }
.partner a { width: calc(20% - 20px); margin: 0 10px 20px; height: 92px; display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid #e6eaf0; border-radius: 12px; font-size: 16px; font-weight: 600; color: #44505f; box-shadow: 0 6px 20px rgba(11,97,231,.04); transition: all .3s ease; }
.partner a:hover { border-color: #c8a35b; color: #c8a35b; transform: translateY(-6px); box-shadow: 0 16px 36px rgba(11,97,231,.12); }

/* ===========================================================
   内页通用：页面横幅 banner_inner
   =========================================================== */
.banner_inner { height: 280px; background-size: cover !important; display: flex; align-items: center; }
.banner_inner .width { width: 1200px; }
.banner_inner .title { font-size: 38px; font-weight: 800; color: #fff; letter-spacing: 2px; text-shadow: 0 2px 16px rgba(0,0,0,.35); }
.banner_inner .desc { color: #e8edf3; font-size: 15px; margin-top: 12px; letter-spacing: 1px; }

/* 面包屑位置 */
.bg_position { background: #fff; border-bottom: 1px solid #eef1f4; padding: 16px 0; }

/* 内页主体背景 */
.bg_innner { background: #f6f8fa; padding: 40px 0; }

/* 左右两栏 */
.page_other.container { display: flex; align-items: flex-start; gap: 30px; }
.container_left { width: 270px; flex: 0 0 270px; }
.container_right,
.container_right_pro { flex: 1; min-width: 0; background: #fff; border-radius: 16px; padding: 34px; box-shadow: 0 10px 40px rgba(11,97,231,.05); }
.news_subject { font-size: 22px; font-weight: 800; color: #131414; margin-bottom: 26px; padding-left: 16px; position: relative; }
.news_subject span { position: relative; }
.news_subject span::before { content: ""; position: absolute; left: -16px; top: 2px; bottom: 2px; width: 5px; border-radius: 5px; background: linear-gradient(180deg, #c8a35b, #e6c98a); }

/* 左侧栏 */
.left_subject { font-size: 18px; font-weight: 800; color: #fff; background: linear-gradient(135deg, #1b3354, #0b61e7); padding: 18px 22px; border-radius: 12px 12px 0 0; letter-spacing: 1px; }
.left_ul { background: #fff; border-radius: 0 0 12px 12px; box-shadow: 0 10px 40px rgba(11,97,231,.05); padding: 10px 0; margin-bottom: 26px; overflow: hidden; }
.left_ul .ui-collapse-menu-title a { display: block; padding: 14px 22px; font-size: 16px; color: #131414; border-left: 4px solid transparent; transition: all .25s ease; }
.left_ul .ui-collapse-menu-title a:hover { color: #c8a35b; border-left-color: #c8a35b; background: #fbf8f1; }
.left_ul .ui-collapse-menu-title.active a { color: #c8a35b; border-left-color: #c8a35b; background: #fbf8f1; font-weight: 700; }
.left_ul .ui-collapse-menu-body ul { padding: 6px 0 12px; }
.left_ul .ui-collapse-menu-body li a { display: block; padding: 10px 22px 10px 38px; font-size: 15px; color: #131414; transition: color .2s ease; }
.left_ul .ui-collapse-menu-body li a:hover,
.left_ul .ui-collapse-menu-body li.active a { color: #c8a35b; }

/* 热门资讯 */
.hot_ul { background: #fff; border-radius: 12px; box-shadow: 0 10px 40px rgba(11,97,231,.05); padding: 18px 0; }
.hot_ul ul li a { display: flex; align-items: center; padding: 12px 22px; font-size: 15px; color: #44505f; transition: color .2s ease; }
.hot_ul ul li a span { display: inline-block; width: 26px; height: 26px; line-height: 26px; text-align: center; border-radius: 6px; background: #f0f3f7; color: #8a93a0; font-size: 13px; margin-right: 12px; flex: 0 0 26px; }
.hot_ul ul li:nth-child(-n+3) a span { background: #0b61e7; color: #fff; }
.hot_ul ul li a:hover { color: #c8a35b; }

/* ===========================================================
   产品列表 pro_list
   =========================================================== */
.pro_list ul { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.pro_list li { width: 25%; padding: 0 10px; box-sizing: border-box; margin-bottom: 22px; }
.pro_list li a { display: block; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 8px 26px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease; }
.pro_list li a:hover { transform: translateY(-8px); box-shadow: 0 20px 44px rgba(11,97,231,.14); }
.pro_list li .top { overflow: hidden; }
.pro_list li .top img { width: 100%; height: 210px; object-fit: cover; display: block; transition: transform .6s ease; }
.pro_list li a:hover .top img { transform: scale(1.08); }
.pro_list li .foot { padding: 18px 18px 20px; position: relative; }
.pro_list li .foot { font-size: 16px; font-weight: 700; color: #131414; }
.pro_list li .foot span { display: block; font-size: 13px; color: #8a93a0; margin-top: 6px; font-weight: 400; }
.pro_list li .foot .icon { position: absolute; right: 18px; top: 18px; width: 30px; height: 30px; border-radius: 50%; background: #f6f8fa; }
.pro_list li .foot .icon::after { content: "→"; display: block; text-align: center; line-height: 30px; color: #c8a35b; font-weight: 700; }

/* ===========================================================
   产品详情 proshow
   =========================================================== */
.proshow_page .container_right { padding: 0; background: transparent; box-shadow: none; }
.proshow_card { background: #fff; border-radius: 18px; padding: 34px; box-shadow: 0 10px 40px rgba(11,97,231,.06); margin-bottom: 28px; }
.proshow { display: flex; gap: 42px; align-items: flex-start; }
.proshow .col-left { width: 44%; flex: 0 0 44%; }
.proshow .big_pic { border-radius: 16px; overflow: hidden; background: #f5f7fa; border: 1px solid #eef1f4; }
.proshow .big_pic img { width: 100%; display: block; aspect-ratio: 1 / 1; object-fit: cover; }
.proshow .proshow_no_pic img { aspect-ratio: 4 / 3; }
.proshow .thumb_pic { margin-top: 16px; }
.proshow .thumb_pic ul { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.proshow .thumb_pic li { width: 72px; height: 72px; border: 2px solid transparent; border-radius: 12px; overflow: hidden; cursor: pointer; transition: border-color .2s ease, box-shadow .2s ease; list-style: none; }
.proshow .thumb_pic li img { width: 100%; height: 100%; object-fit: cover; display: block; }
.proshow .thumb_pic li.active,
.proshow .thumb_pic li:hover { border-color: #c8a35b; box-shadow: 0 6px 16px rgba(200,163,91,.25); }
.proshow .col-right { flex: 1; min-width: 0; }
.proshow .proshow_badge { margin-bottom: 12px; }
.proshow .proshow_badge a { display: inline-block; padding: 5px 14px; border-radius: 20px; background: #fbf8f1; border: 1px solid #f0e2c4; color: #c8a35b; font-size: 13px; font-weight: 700; }
.proshow .col-right h1 { font-size: 30px; font-weight: 800; color: #131414; margin: 0 0 14px; line-height: 1.4; }
.proshow .proshow_meta { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 18px; font-size: 13px; color: #8a93a0; }
.proshow .proshow_meta span { display: inline-flex; align-items: center; gap: 6px; }
.proshow .proshow_meta i { color: #c8a35b; font-size: 15px; }
.proshow .intro { font-size: 15px; color: #5a6473; line-height: 1.95; margin-bottom: 20px; padding: 16px 18px; background: #f8fafc; border-radius: 12px; border-left: 4px solid #c8a35b; }
.proshow .attribute { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; list-style: none; margin: 0 0 22px; padding: 0; }
.proshow .attribute li { background: #f8fafc; border: 1px solid #eef1f4; border-radius: 10px; padding: 12px 14px; list-style: none; }
.proshow .attribute li em { display: block; font-style: normal; font-size: 12px; color: #8a93a0; margin-bottom: 4px; }
.proshow .attribute li span { display: block; font-size: 15px; color: #0b61e7; font-weight: 600; line-height: 1.5; word-break: break-all; }
.proshow .price { display: flex; align-items: baseline; gap: 8px; margin: 0 0 22px; padding: 16px 0; border-top: 1px dashed #eef1f4; border-bottom: 1px dashed #eef1f4; }
.proshow .price span { font-size: 34px; font-weight: 800; color: #c8a35b; line-height: 1; }
.proshow .price em { font-style: normal; font-size: 14px; color: #8a93a0; }
.proshow .price_talk span { font-size: 28px; }
.proshow .price_talk em { color: #c8a35b; }
.proshow .action { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 22px; }
.proshow_btn_primary,
.proshow_btn_gold,
.proshow_btn_outline { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 138px; height: 46px; padding: 0 22px; border-radius: 8px; font-size: 15px; font-weight: 700; border: none; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease; }
.proshow_btn_primary { background: linear-gradient(135deg, #1b3354, #0b61e7); color: #fff; box-shadow: 0 10px 24px rgba(11,97,231,.18); }
.proshow_btn_gold { background: linear-gradient(135deg, #c8a35b, #e6c98a); color: #0b61e7; box-shadow: 0 10px 24px rgba(200,163,91,.28); }
.proshow_btn_outline { background: #fff; color: #0b61e7; border: 1px solid #d9e0e8; }
.proshow_btn_primary:hover,
.proshow_btn_gold:hover,
.proshow_btn_outline:hover { transform: translateY(-2px); color: inherit; }
.proshow .proshow_contact { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.proshow .proshow_contact .item { display: flex; align-items: flex-start; gap: 10px; padding: 14px; background: #f8fafc; border-radius: 12px; border: 1px solid #eef1f4; }
.proshow .proshow_contact .item i { color: #c8a35b; font-size: 18px; margin-top: 2px; }
.proshow .proshow_contact .item strong { display: block; font-size: 12px; color: #8a93a0; font-weight: 600; margin-bottom: 4px; }
.proshow .proshow_contact .item span { display: block; font-size: 14px; color: #0b61e7; font-weight: 700; line-height: 1.5; word-break: break-all; }
.proshow .tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.proshow .tags em { font-style: normal; font-size: 13px; color: #8a93a0; margin-right: 4px; }
.proshow .tags a { display: inline-block; padding: 5px 14px; border-radius: 20px; background: #f5f7fa; border: 1px solid #e8ecf2; font-size: 12px; color: #5a6473; transition: all .2s ease; }
.proshow .tags a:hover { background: #0b61e7; border-color: #0b61e7; color: #fff; }

.proshow_tabs { background: #fff; border-radius: 18px; padding: 0 34px 34px; box-shadow: 0 10px 40px rgba(11,97,231,.06); margin-bottom: 28px; overflow: hidden; }
.proshow_tab_head { border-bottom: 1px solid #eef1f4; margin: 0 -34px 28px; padding: 0 34px; }
.proshow_tab_head .ui-tabs-nav { display: flex; gap: 8px; list-style: none; margin: 0; padding: 0; border: none; }
.proshow_tab_head .ui-tabs-nav li { list-style: none; margin: 0; }
.proshow_tab_head .ui-tabs-nav li a { display: block; padding: 22px 26px 18px; font-size: 16px; font-weight: 700; color: #8a93a0; border-bottom: 3px solid transparent; margin-bottom: -1px; transition: color .2s ease, border-color .2s ease; }
.proshow_tab_head .ui-tabs-nav li.active a,
.proshow_tab_head .ui-tabs-nav li a:hover { color: #131414; border-bottom-color: #c8a35b; }
.proshow_content { line-height: 2; font-size: 16px; color: #44505f; }
.proshow_content img { max-width: 100%; height: auto; border-radius: 12px; margin: 16px 0; }
.proshow_content p { margin-bottom: 14px; }
.proshow_content ul.extend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; list-style: none; margin: 0; padding: 0; }
.proshow_content ul.extend li { list-style: none; background: #f8fafc; border: 1px solid #eef1f4; border-radius: 12px; padding: 16px 18px; }
.proshow_content ul.extend li em { display: block; font-style: normal; font-size: 13px; color: #8a93a0; margin-bottom: 6px; }
.proshow_content ul.extend li span { display: block; font-size: 15px; color: #0b61e7; font-weight: 600; line-height: 1.6; word-break: break-all; }

.proshow_related { background: #fff; border-radius: 18px; padding: 34px; box-shadow: 0 10px 40px rgba(11,97,231,.06); margin-bottom: 28px; }
.proshow_related_grid ul { margin: 0; }
.proshow_related_grid li { width: 25%; }

.proshow_cta { background: linear-gradient(135deg, #1b3354, #0b61e7); border-radius: 18px; padding: 36px 40px; margin-bottom: 10px; }
.proshow_cta_inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.proshow_cta .text h3 { font-size: 24px; font-weight: 800; color: #fff; margin: 0 0 8px; }
.proshow_cta .text p { font-size: 14px; color: rgba(255,255,255,.72); margin: 0; }
.proshow_cta .btns { display: flex; flex-wrap: wrap; gap: 12px; }
.proshow_cta .proshow_btn_primary { background: linear-gradient(135deg, #c8a35b, #e6c98a); color: #0b61e7; }
.proshow_cta .proshow_btn_outline { background: transparent; border-color: rgba(255,255,255,.28); color: #fff; }
.proshow_cta .proshow_btn_outline:hover { background: rgba(255,255,255,.08); color: #fff; }

/* ===========================================================
   文章列表 artlist
   =========================================================== */
.artlist .artlist-item { display: flex; align-items: flex-start; gap: 22px; padding: 24px 0; border-bottom: 1px solid #eef1f4; }
.artlist .artlist-item-image { width: 220px; flex: 0 0 220px; border-radius: 12px; overflow: hidden; }
.artlist .artlist-item-image img { width: 100%; height: 150px; object-fit: cover; display: block; transition: transform .6s ease; }
.artlist .artlist-item:hover .artlist-item-image img { transform: scale(1.06); }
.artlist .artlist-item-body { flex: 1; min-width: 0; }
.artlist .artlist-item-body .title { font-size: 20px; font-weight: 700; color: #131414; transition: color .2s ease; }
.artlist .artlist-item-body a:hover .title { color: #c8a35b; }
.artlist .artlist-item-body .desc { font-size: 14px; color: #8a93a0; line-height: 1.9; margin-top: 12px; }
.artlist .artlist-item-body .tags { margin-top: 12px; }
.artlist .artlist-item-date { font-size: 14px; color: #c4cad3; flex: 0 0 auto; align-self: center; }

/* ===========================================================
   页脚 footer
   =========================================================== */
.footer { background: linear-gradient(135deg, #0b61e7, #0f1c2e); color: #c5cdd8; margin-top: 0; }
.footer_main { display: flex; flex-wrap: wrap; gap: 40px 30px; padding: 70px 0 0; justify-content: space-between; align-items: flex-start; }
.foot-nav-grid { flex: 1; min-width: 0; display: grid; grid-template-columns: repeat(3, minmax(160px, 1fr)); gap: 36px 40px; }
.footer .foot-nav-item { width: auto; min-width: 0; }
.footer .foot-nav-item h3 { font-size: 17px; color: #fff; font-weight: 700; margin-bottom: 20px; position: relative; padding-left: 14px; }
.footer .foot-nav-item h3::before { content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 4px; border-radius: 4px; background: #c8a35b; }
.footer .foot-nav-item ul li { padding: 7px 0; }
.footer .foot-nav-item ul li a { color: #aab3c0; font-size: 14px; transition: color .2s ease; }
.footer .foot-nav-item ul li a:hover { color: #e6c98a; }
.footer .foot-right { width: 340px; flex: 0 0 340px; display: flex; gap: 24px; align-items: flex-start; justify-content: flex-end; }
.footer .foot-contact { flex: 1; min-width: 0; text-align: left; }
.footer .foot-right .tel { font-size: 14px; color: #aab3c0; margin-bottom: 16px; }
.footer .foot-right .tel span { display: block; font-size: 24px; font-weight: 800; color: #e6c98a; margin-top: 8px; line-height: 1.2; word-break: break-all; }
.footer .foot-right .addr,
.footer .foot-right .mail,
.footer .foot-right .mobile { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: #aab3c0; line-height: 1.7; margin-bottom: 10px; }
.footer .foot-right .addr i,
.footer .foot-right .mail i,
.footer .foot-right .mobile i { flex: 0 0 auto; margin-top: 3px; color: #c8a35b; font-size: 14px; }
.footer .foot-right .mail a { color: #aab3c0; }
.footer .foot-right .mail a:hover { color: #e6c98a; }
.footer .foot-right .pic { flex: 0 0 auto; text-align: center; }
.footer .foot-right .pic_item { display: inline-block; }
.footer .foot-right .pic_item img { width: 110px; border-radius: 10px; padding: 8px; background: #fff; }
.footer .foot-right .pic_item span { display: block; margin-top: 8px; font-size: 12px; color: #aab3c0; }
.footer .copyright { text-align: center; padding: 26px 0 30px; margin-top: 50px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: #8b94a3; line-height: 1.8; }
.footer .copyright a { color: #aab3c0; }
.footer .copyright a:hover { color: #e6c98a; }

/* 右侧浮动客服栏 */
.right_bar { position: fixed; right: 16px; top: 50%; transform: translateY(-50%); z-index: 120; }
.right_bar .float_list { margin: 0; padding: 0; }
.right_bar .float_item { width: 52px; height: 52px; margin-bottom: 8px; background: #0b61e7; border-radius: 12px; text-align: center; position: relative; transition: background .25s ease, box-shadow .25s ease; cursor: pointer; box-shadow: 0 6px 18px rgba(15,28,46,.18); }
.right_bar .float_item a { display: block; color: #fff; line-height: 52px; font-size: 20px; }
.right_bar .float_item .float_tip { position: absolute; right: 64px; top: 0; white-space: nowrap; background: #c8a35b; color: #0b61e7; padding: 0 14px; height: 52px; line-height: 52px; border-radius: 8px; opacity: 0; visibility: hidden; transition: all .25s ease; font-size: 14px; pointer-events: none; }
.right_bar .float_item:hover { background: #c8a35b; }
.right_bar .float_item:hover a { color: #0b61e7; }
.right_bar .float_item:hover .float_tip { opacity: 1; visibility: visible; }
.right_bar .float_weixin .float_qrcode { position: absolute; right: 64px; top: 50%; transform: translateY(-50%); width: 148px; padding: 12px; background: #fff; border-radius: 12px; box-shadow: 0 10px 30px rgba(15,28,46,.18); opacity: 0; visibility: hidden; transition: all .25s ease; pointer-events: none; text-align: center; }
.right_bar .float_weixin .float_qrcode img { width: 120px; height: 120px; border-radius: 8px; display: block; margin: 0 auto; }
.right_bar .float_weixin .float_qrcode span { display: block; margin-top: 8px; font-size: 12px; color: #5a6473; line-height: 1.4; }
.right_bar .float_weixin:hover .float_qrcode { opacity: 1; visibility: visible; }
.right_bar .float_weixin:hover .float_tip { opacity: 0; visibility: hidden; }

/* 会员中心 */
.user_info { display: flex; align-items: center; gap: 30px; padding: 20px; background: #f6f8fa; border-radius: 14px; }
.user_info .face img { width: 96px; height: 96px; border-radius: 50%; border: 3px solid #c8a35b; }
.user_info .info p { font-size: 18px; color: #0b61e7; font-weight: 700; margin-bottom: 12px; }
.user_info .info p span { color: #c8a35b; }
.user_info .info ul li { font-size: 14px; color: #5a6473; padding: 4px 0; }
.user_info .info ul li em { font-style: normal; color: #8a93a0; margin-right: 6px; }

/* 滚动浮现动画（与 wow 协作） */

/* ===========================================================
   关于我们 / 公司简介 about
   =========================================================== */
.about_hero { position: relative; min-height: 400px; background-size: cover; background-position: center; display: flex; align-items: center; color: #fff; overflow: hidden; }
.about_hero_sub { min-height: 340px; }
.about_hero_mask { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(12,22,38,.88) 0%, rgba(11,97,231,.72) 55%, rgba(11,97,231,.45) 100%); }
.about_hero_inner { position: relative; z-index: 2; padding: 64px 0 58px; max-width: 860px; }
.about_hero_crumb { font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 24px; }
.about_hero_crumb a { color: rgba(255,255,255,.75); }
.about_hero_crumb a:hover { color: #e6c98a; }
.about_hero_crumb span { margin: 0 8px; opacity: .5; }
.about_hero_crumb em { font-style: normal; color: #e6c98a; }
.about_hero_badge { display: inline-block; font-size: 12px; letter-spacing: 4px; color: #e6c98a; font-weight: 700; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid rgba(200,163,91,.55); }
.about_hero h1 { font-size: 44px; font-weight: 800; line-height: 1.25; margin: 0 0 18px; letter-spacing: 1px; text-shadow: 0 8px 30px rgba(0,0,0,.25); }
.about_hero p { font-size: 16px; line-height: 1.95; color: rgba(255,255,255,.82); max-width: 720px; margin: 0; }

.about_nav_bar { background: #fff; border-bottom: 1px solid #e8ecf2; position: sticky; top: var(--site-header-h, 0px); z-index: 20; box-shadow: 0 8px 24px rgba(11,97,231,.04); }
.about_tabs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 14px 0; }
.about_tabs li a { display: inline-block; padding: 10px 18px; border-radius: 4px; background: #f4f7fa; color: #131414; font-size: 14px; transition: all .25s ease; }
.about_tabs li a:hover,
.about_tabs li.active a { background: #0b61e7; color: #fff; }

.about_section { padding: 72px 0; background: #fff; }
.about_section_gray { background: #f5f7fa; }
.about_section_page { padding: 48px 0 72px; }
.about_section_head { text-align: center; margin-bottom: 48px; }
.about_section_head .en { font-size: 12px; letter-spacing: 4px; color: #c8a35b; font-weight: 700; margin-bottom: 12px; }
.about_section_head h2 { font-size: 34px; font-weight: 800; color: #131414; margin: 0 0 14px; }
.about_section_head p { font-size: 15px; color: #7e8794; margin: 0 auto; max-width: 640px; line-height: 1.8; }

.about_overview_lr { display: flex; align-items: center; gap: 56px; }
.about_overview_lr .pic { width: 48%; position: relative; border-radius: 18px; overflow: hidden; box-shadow: 0 24px 60px rgba(11,97,231,.12); }
.about_overview_lr .pic img { width: 100%; display: block; }
.about_overview_lr .pic .about_media video,
.about_overview_lr .pic .about_media img { width: 100%; display: block; }
.about_overview_lr .pic .pic_tag { position: absolute; left: 20px; bottom: 20px; background: rgba(11,97,231,.75); color: #e6c98a; font-size: 12px; font-weight: 700; letter-spacing: 3px; padding: 8px 16px; border-radius: 4px; }
.about_overview_lr .desc { flex: 1; min-width: 0; }
.about_overview_lr .desc .label { font-size: 12px; letter-spacing: 4px; color: #c8a35b; font-weight: 700; margin-bottom: 14px; }
.about_overview_lr .desc h2 { font-size: 32px; font-weight: 800; color: #131414; margin: 0 0 20px; line-height: 1.35; }
.about_overview_lr .desc .intro { font-size: 16px; line-height: 2.1; color: #5a6473; }
.about_overview_lr .desc .intro p { margin-bottom: 14px; }

.about_stats { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 32px; padding-top: 28px; border-top: 1px solid #eef1f4; }
.about_stats .item { flex: 1; min-width: 100px; text-align: center; }
.about_stats .item strong { display: block; font-size: 36px; font-weight: 800; color: #131414; line-height: 1.1; }
.about_stats .item strong em { font-size: 16px; font-style: normal; color: #c8a35b; margin-left: 2px; }
.about_stats .item span { display: block; font-size: 13px; color: #8a93a0; margin-top: 8px; letter-spacing: 1px; }

.about_advantage_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.about_advantage_grid .item { width: 25%; padding: 0 12px; box-sizing: border-box; margin-bottom: 24px; }
.about_advantage_grid .item .icon { font-size: 28px; font-weight: 800; font-style: italic; color: #eef1f6; margin-bottom: 16px; transition: color .3s ease; }
.about_advantage_grid .item:hover .icon { color: #f3e6c8; }
.about_advantage_grid .item .inner,
.about_advantage_grid .item { background: #fff; border: 1px solid #e8ecf2; border-radius: 14px; padding: 28px 22px; height: 100%; box-shadow: 0 8px 30px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.about_advantage_grid .item:hover { transform: translateY(-8px); box-shadow: 0 22px 50px rgba(11,97,231,.12); border-color: #c8a35b; }
.about_advantage_grid .item h3 { font-size: 18px; font-weight: 700; color: #131414; margin: 0 0 12px; }
.about_advantage_grid .item p { font-size: 14px; line-height: 1.85; color: #7e8794; margin: 0; }
.about_advantage_grid .item p p { margin: 0; }

.about_sub_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.about_sub_item { width: 33.333%; padding: 0 12px; box-sizing: border-box; margin-bottom: 24px; display: flex; background: #fff; border: 1px solid #e8ecf2; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 30px rgba(11,97,231,.05); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.about_sub_item:hover { transform: translateY(-8px); box-shadow: 0 22px 50px rgba(11,97,231,.12); border-color: #c8a35b; color: inherit; }
.about_sub_item .sub_pic { width: 120px; flex: 0 0 120px; overflow: hidden; background: #f0f3f7; display: flex; align-items: center; justify-content: center; }
.about_sub_item .sub_pic img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about_sub_item .sub_pic .sub_num { font-size: 32px; font-weight: 800; font-style: italic; color: #d0d7e0; }
.about_sub_item .sub_desc { flex: 1; padding: 22px 20px; display: flex; flex-direction: column; }
.about_sub_item .sub_desc h3 { font-size: 17px; font-weight: 700; color: #131414; margin: 0 0 8px; }
.about_sub_item .sub_desc p { font-size: 13px; line-height: 1.75; color: #7e8794; margin: 0 0 12px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.about_sub_item .sub_desc .more { font-size: 12px; font-weight: 600; color: #c8a35b; margin-top: auto; }

.about_cta_band { background: linear-gradient(135deg, #1b3354, #0b61e7); padding: 56px 0; }
.about_cta_inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.about_cta_inner .text .en { font-size: 12px; letter-spacing: 4px; color: #e6c98a; font-weight: 700; margin-bottom: 10px; }
.about_cta_inner .text h3 { font-size: 28px; font-weight: 800; color: #fff; margin: 0 0 10px; }
.about_cta_inner .text p { font-size: 14px; color: rgba(255,255,255,.7); margin: 0; line-height: 1.8; }

.about_page_layout { display: flex; align-items: flex-start; gap: 30px; }
.about_page_main { flex: 1; min-width: 0; background: #fff; border-radius: 16px; padding: 36px; box-shadow: 0 10px 40px rgba(11,97,231,.05); }
.about_page_side { width: 300px; flex: 0 0 300px; }
.about_content { font-size: 16px; line-height: 2.1; color: #44505f; }
.about_content img { max-width: 100%; border-radius: 10px; margin: 14px 0; }
.about_content p { margin-bottom: 16px; }
.about_gallery { margin-bottom: 28px; }

.about_side_card { background: #fff; border-radius: 14px; padding: 22px; box-shadow: 0 10px 40px rgba(11,97,231,.05); margin-bottom: 20px; }
.about_side_card .side_head { font-size: 16px; font-weight: 800; color: #131414; margin-bottom: 16px; padding-left: 12px; border-left: 4px solid #c8a35b; }
.about_side_card .side_info li { font-size: 14px; color: #44505f; padding: 10px 0; border-bottom: 1px dashed #eef1f4; line-height: 1.6; }
.about_side_card .side_info li:last-child { border-bottom: 0; }
.about_side_card .side_info li em { display: block; font-style: normal; font-size: 12px; color: #8a93a0; margin-bottom: 4px; }
.about_side_card .side_info li span { display: block; font-weight: 600; color: #0b61e7; }
.about_side_card .side_nav li a { display: block; padding: 10px 14px; font-size: 14px; color: #5a6473; border-radius: 6px; transition: all .2s ease; }
.about_side_card .side_nav li a:hover,
.about_side_card .side_nav li.active a { background: #fbf8f1; color: #c8a35b; font-weight: 600; }
.about_side_cta { background: linear-gradient(135deg, #1b3354, #0b61e7); border-radius: 14px; padding: 26px 22px; text-align: center; }
.about_side_cta h4 { font-size: 18px; font-weight: 700; color: #fff; margin: 0 0 10px; }
.about_side_cta p { font-size: 13px; color: rgba(255,255,255,.7); line-height: 1.75; margin: 0 0 18px; }
.about_side_cta .btn_gold { width: 100%; }

.home_about .desc p { margin-bottom: 14px; }

/* ===========================================================
   联系我们 contact
   =========================================================== */
.contact_hero { min-height: 360px; }
.contact_info_band { background: #fff; margin-top: -40px; position: relative; z-index: 5; padding-bottom: 0; }
.contact_info_grid { display: flex; flex-wrap: wrap; gap: 24px; padding-bottom: 48px; }
.contact_info_item { width: calc(25% - 18px); box-sizing: border-box; display: flex; align-items: flex-start; gap: 16px; background: #fff; border: 1px solid #e8ecf2; border-radius: 14px; padding: 26px 22px; box-shadow: 0 12px 36px rgba(11,97,231,.08); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.contact_info_item:hover { transform: translateY(-6px); box-shadow: 0 20px 48px rgba(11,97,231,.12); border-color: #c8a35b; }
.contact_info_item .icon { width: 52px; height: 52px; flex: 0 0 52px; border-radius: 12px; background: linear-gradient(135deg, #1b3354, #0b61e7); color: #e6c98a; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.contact_info_item .info h3 { font-size: 14px; font-weight: 700; color: #8a93a0; margin: 0 0 8px; letter-spacing: 1px; }
.contact_info_item .info p { font-size: 18px; font-weight: 800; color: #0b61e7; margin: 0; line-height: 1.4; }
.contact_info_item .info p a { color: #0b61e7; }
.contact_info_item .info p a:hover { color: #c8a35b; }
.contact_info_item .info span { display: block; font-size: 13px; color: #8a93a0; margin-top: 6px; }

.contact_section { padding-top: 56px; }
.contact_section_head { margin-bottom: 32px; }
.contact_section_head .en { font-size: 12px; letter-spacing: 4px; color: #c8a35b; font-weight: 700; margin-bottom: 10px; }
.contact_section_head h2 { font-size: 30px; font-weight: 800; color: #131414; margin: 0 0 10px; }
.contact_section_head p { font-size: 14px; color: #7e8794; margin: 0; }

.contact_layout { display: flex; align-items: flex-start; gap: 30px; }
.contact_form_wrap { flex: 1; min-width: 0; background: #fff; border-radius: 16px; padding: 36px; box-shadow: 0 10px 40px rgba(11,97,231,.05); }
.contact_side { width: 320px; flex: 0 0 320px; }

.contact_form_grid { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.contact_form_item { width: 50%; padding: 0 10px; box-sizing: border-box; margin-bottom: 20px; }
.contact_form_item.contact_form_full { width: 100%; }
.contact_form_item label { display: block; font-size: 14px; font-weight: 600; color: #44505f; margin-bottom: 8px; }
.contact_form .ui-form-ip { height: 46px; border: 1px solid #e3e8ee; border-radius: 8px; padding: 0 14px; font-size: 14px; transition: border-color .2s ease; }
.contact_form textarea.ui-form-ip { height: auto; padding: 12px 14px; line-height: 1.7; resize: vertical; }
.contact_form .ui-form-ip:focus { border-color: #c8a35b; outline: none; }
.contact_form .ui-input-group .code { border: 1px solid #e3e8ee; border-left: 0; border-radius: 0 8px 8px 0; overflow: hidden; }
.contact_form .ui-input-group .code img { display: block; cursor: pointer; }
.contact_form_action { padding: 8px 10px 0; }
.contact_submit { min-width: 180px; height: 48px; border-radius: 8px; font-size: 16px; font-weight: 700; background: linear-gradient(135deg, #c8a35b, #e6c98a); border: 0; color: #0b61e7; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease; }
.contact_submit:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(200,163,91,.35); }

.contact_side_card { background: linear-gradient(135deg, #1b3354, #0b61e7); border-radius: 16px; padding: 28px 24px; color: #fff; margin-bottom: 20px; }
.contact_side_card .side_logo img { max-height: 48px; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: .9; }
.contact_side_card h3 { font-size: 20px; font-weight: 800; margin: 0 0 20px; color: #fff; }
.contact_side_card .side_list li { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 14px; line-height: 1.6; }
.contact_side_card .side_list li:last-child { border-bottom: 0; }
.contact_side_card .side_list li em { display: block; font-style: normal; font-size: 12px; color: rgba(255,255,255,.55); margin-bottom: 4px; }
.contact_side_card .side_list li span { color: #fff; font-weight: 600; }

.contact_side_tip { background: #f5f7fa; border-radius: 14px; padding: 24px 22px; border: 1px solid #e8ecf2; }
.contact_side_tip h4 { font-size: 16px; font-weight: 700; color: #131414; margin: 0 0 10px; }
.contact_side_tip p { font-size: 13px; color: #7e8794; line-height: 1.8; margin: 0 0 16px; }
.btn_line_dark { display: inline-block; padding: 10px 20px; border: 1px solid #0b61e7; border-radius: 6px; font-size: 14px; font-weight: 600; color: #0b61e7; transition: all .25s ease; }
.btn_line_dark:hover { background: #0b61e7; color: #fff; }

.contact_map_section { padding-top: 56px; }
.contact_map { border-radius: 16px; overflow: hidden; box-shadow: 0 10px 40px rgba(11,97,231,.08); background: #fff; }
.contact_map_embed iframe,
.contact_map_embed img { width: 100%; min-height: 420px; display: block; border: 0; }
.contact_map_placeholder { min-height: 420px; background: linear-gradient(145deg, #eef1f6, #f8fafc); display: flex; align-items: center; justify-content: center; }
.contact_map_placeholder .inner { text-align: center; color: #8a93a0; padding: 40px; }
.contact_map_placeholder .inner i { font-size: 48px; color: #c8a35b; display: block; margin-bottom: 16px; }
.contact_map_placeholder .inner p { font-size: 18px; font-weight: 700; color: #131414; margin: 0 0 10px; }
.contact_map_placeholder .inner span { font-size: 13px; color: #8a93a0; }

.business_featured { padding-bottom: 10px; }

/* ===========================================================
   核心业务专题 business
   =========================================================== */
.business_hero .solution_hero_inner { max-width: 920px; }
.business_hero_sub { min-height: 420px; }
.business_nav_bar { background: #fff; border-bottom: 1px solid #e8ecf2; position: sticky; top: var(--site-header-h, 0px); z-index: 20; box-shadow: 0 8px 24px rgba(11,97,231,.04); }
.business_nav_tabs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 14px 0; }
.business_nav_tabs li a { display: inline-block; padding: 10px 18px; border-radius: 4px; background: #f4f7fa; color: #131414; font-size: 14px; font-weight: 600; transition: all .25s ease; }
.business_nav_tabs li a:hover { background: #0b61e7; color: #fff; }

.business_core_cards { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.business_core_card { width: 50%; padding: 0 12px; box-sizing: border-box; margin-bottom: 24px; display: flex; flex-direction: column; background: #fff; border: 1px solid #e8ecf2; border-radius: 16px; padding: 28px 26px 24px; box-shadow: 0 10px 36px rgba(11,97,231,.06); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; color: inherit; position: relative; overflow: hidden; }
.business_core_card::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: linear-gradient(90deg, #c8a35b, #e6c98a); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.business_core_card:hover { transform: translateY(-8px); box-shadow: 0 24px 56px rgba(11,97,231,.14); border-color: #c8a35b; color: inherit; }
.business_core_card:hover::before { transform: scaleX(1); }
.business_core_card .card_head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 16px; }
.business_core_card .num { font-size: 36px; font-weight: 800; font-style: italic; color: #eef1f6; line-height: 1; flex: 0 0 auto; transition: color .3s ease; }
.business_core_card:hover .num { color: #f3e6c8; }
.business_core_card h3 { font-size: 18px; font-weight: 800; color: #131414; margin: 0; line-height: 1.45; flex: 1; }
.business_core_card .card_tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; padding: 0; list-style: none; }
.business_core_card .card_tags li { display: inline-block; padding: 4px 12px; background: #f5f7fa; border: 1px solid #e8ecf2; border-radius: 20px; font-size: 12px; color: #5a6473; }
.business_core_card .card_desc { font-size: 14px; line-height: 1.85; color: #7e8794; margin: 0 0 18px; flex: 1; }
.business_core_card .card_more { font-size: 13px; font-weight: 700; color: #c8a35b; margin-top: auto; }

.business_derived_grid { display: flex; flex-wrap: wrap; gap: 24px; }
.business_derived_item { flex: 1; min-width: 280px; background: linear-gradient(145deg, #f8fafc, #fff); border: 1px solid #e8ecf2; border-radius: 16px; padding: 36px 32px; box-shadow: 0 10px 36px rgba(11,97,231,.05); transition: transform .3s ease, box-shadow .3s ease; }
.business_derived_item:hover { transform: translateY(-6px); box-shadow: 0 20px 48px rgba(11,97,231,.1); }
.business_derived_item .icon { width: 52px; height: 52px; border-radius: 12px; background: linear-gradient(135deg, #1b3354, #0b61e7); color: #e6c98a; font-size: 22px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.business_derived_item h3 { font-size: 22px; font-weight: 800; color: #131414; margin: 0 0 12px; }
.business_derived_item p { font-size: 15px; line-height: 1.85; color: #7e8794; margin: 0; }

.business_advantage_grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.business_advantage_grid .item { width: 25%; padding: 0 12px; box-sizing: border-box; margin-bottom: 16px; }
.business_advantage_grid .item .check { width: 44px; height: 44px; border-radius: 50%; background: rgba(200,163,91,.15); color: #c8a35b; font-size: 20px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.business_advantage_grid.light_on_dark .item .check { background: rgba(230,201,138,.18); color: #e6c98a; }
.business_advantage_grid .item h3 { font-size: 18px; font-weight: 800; color: #fff; margin: 0 0 10px; }
.business_advantage_grid .item p { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.68); margin: 0; }
.solution_section_dark .business_advantage_grid .item h3 { color: #fff; }

.business_scope_grid { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.business_scope_item { width: 25%; padding: 0 10px; box-sizing: border-box; margin-bottom: 20px; background: #fff; border: 1px solid #e8ecf2; border-radius: 12px; padding: 24px 20px; text-align: center; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.business_scope_item:hover { transform: translateY(-6px); border-color: #c8a35b; box-shadow: 0 16px 40px rgba(11,97,231,.1); }
.business_scope_item .num { font-size: 28px; font-weight: 800; font-style: italic; color: #eef1f6; margin-bottom: 10px; }
.business_scope_item h3 { font-size: 15px; font-weight: 700; color: #131414; margin: 0; line-height: 1.5; }
.business_scope_detail { margin-top: 8px; }

.business_clients_tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.business_clients_tags span { display: inline-block; padding: 12px 28px; background: #fff; border: 1px solid #e8ecf2; border-radius: 40px; font-size: 15px; font-weight: 600; color: #44505f; box-shadow: 0 6px 20px rgba(11,97,231,.04); transition: all .25s ease; }
.business_clients_tags span:hover { background: #0b61e7; color: #fff; border-color: #0b61e7; transform: translateY(-3px); }

/* 中央空调通风系统清洗消毒专题 */
.hvac_prep_grid { display: flex; flex-wrap: wrap; gap: 24px; }
.hvac_prep_item { flex: 1; min-width: 280px; background: #fff; border: 1px solid #e8ecf2; border-radius: 16px; padding: 32px 28px; box-shadow: 0 10px 36px rgba(11,97,231,.05); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.hvac_prep_item:hover { transform: translateY(-6px); border-color: #c8a35b; box-shadow: 0 20px 48px rgba(11,97,231,.1); }
.hvac_prep_item .prep_num { font-size: 13px; font-weight: 800; letter-spacing: 2px; color: #c8a35b; margin-bottom: 12px; }
.hvac_prep_item h3 { font-size: 20px; font-weight: 800; color: #131414; margin: 0 0 14px; }
.hvac_prep_item p { font-size: 14px; line-height: 1.9; color: #7e8794; margin: 0; }

.hvac_process_grid { display: flex; flex-wrap: wrap; gap: 24px; }
.hvac_process_item { flex: 1; min-width: calc(50% - 12px); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 28px 26px; transition: transform .3s ease, border-color .3s ease; }
.hvac_process_item:hover { transform: translateY(-6px); border-color: rgba(230,201,138,.45); }
.hvac_process_item .proc_head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.hvac_process_item .proc_head .num { font-size: 14px; font-weight: 800; color: #e6c98a; letter-spacing: 1px; }
.hvac_process_item .proc_head .tag { display: inline-block; padding: 4px 12px; background: rgba(200,163,91,.18); border-radius: 20px; font-size: 11px; font-weight: 700; color: #e6c98a; white-space: nowrap; }
.hvac_process_item h3 { font-size: 18px; font-weight: 800; color: #fff; margin: 0 0 12px; line-height: 1.45; }
.hvac_process_item p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.68); margin: 0; }

.hvac_notes_list { display: flex; flex-direction: column; gap: 16px; max-width: 960px; margin: 0 auto; }
.hvac_note_item { display: flex; align-items: flex-start; gap: 18px; background: #fff; border: 1px solid #e8ecf2; border-radius: 12px; padding: 22px 24px; transition: border-color .25s ease, box-shadow .25s ease; }
.hvac_note_item:hover { border-color: #c8a35b; box-shadow: 0 12px 32px rgba(11,97,231,.08); }
.hvac_note_item .note_num { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #1b3354, #0b61e7); color: #e6c98a; font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.hvac_note_item p { flex: 1; font-size: 15px; line-height: 1.85; color: #5a6473; margin: 0; padding-top: 8px; }

.business_advantage_grid.is_light .item h3 { color: #131414; }
.business_advantage_grid.is_light .item p { color: #7e8794; }
.business_advantage_grid.is_light .item .check { background: rgba(200,163,91,.15); color: #c8a35b; }

.hvac_fault_table_wrap { overflow-x: auto; border-radius: 12px; border: 1px solid #e8ecf2; background: #fff; box-shadow: 0 12px 40px rgba(11,97,231,.04); }
.hvac_fault_table { width: 100%; border-collapse: collapse; min-width: 720px; }
.hvac_fault_table thead { background: linear-gradient(135deg, #1b3354, #0b61e7); }
.hvac_fault_table th { padding: 16px 20px; text-align: left; font-size: 14px; font-weight: 700; color: #fff; letter-spacing: .5px; }
.hvac_fault_table td { padding: 18px 20px; font-size: 14px; line-height: 1.85; color: #5a6473; border-bottom: 1px solid #eef1f4; vertical-align: top; }
.hvac_fault_table tbody tr:last-child td { border-bottom: 0; }
.hvac_fault_table tbody tr:hover td { background: #fbf8f1; }
.hvac_fault_table td strong { color: #131414; font-weight: 700; }
.hvac_fault_table td:first-child { width: 22%; }
.hvac_fault_table td:nth-child(2) { width: 34%; }
.hvac_fault_table td:nth-child(3) { width: 44%; }

.hvac_adv_grid { display: flex; flex-wrap: wrap; gap: 24px; }
.hvac_adv_grid .item { flex: 1; min-width: calc(25% - 18px); background: #f8fafc; border: 1px solid #e8ecf2; border-radius: 16px; padding: 28px 24px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.hvac_adv_grid .item:hover { transform: translateY(-6px); border-color: #c8a35b; box-shadow: 0 16px 40px rgba(11,97,231,.1); }
.hvac_adv_grid .item .num { font-size: 42px; font-weight: 800; font-style: italic; color: #eef1f6; line-height: 1; margin-bottom: 16px; }
.hvac_adv_grid .item h3 { font-size: 18px; font-weight: 800; color: #131414; margin: 0 0 12px; }
.hvac_adv_grid .item p { font-size: 14px; line-height: 1.85; color: #7e8794; margin: 0; }
.hvac_adv_grid.is_five .item { min-width: calc(20% - 20px); }

/* 产品展示专题 product */
.product_hero .solution_hero_inner { max-width: 920px; }
.product_hero_sub { min-height: 400px; }
.product_tag_band { background: #f5f7fa; border-bottom: 1px solid #eef1f4; padding: 18px 0; }
.product_tag_list { display: flex; flex-wrap: wrap; gap: 10px; }
.product_tag_list span { display: inline-block; padding: 6px 16px; background: #fff; border: 1px solid #e8ecf2; border-radius: 20px; font-size: 13px; color: #5a6473; }
.product_group_cards { margin-bottom: 28px; }
.product_group_card { display: block; background: linear-gradient(135deg, #1b3354, #0b61e7); border-radius: 18px; padding: 36px 34px; color: #fff; transition: transform .35s ease, box-shadow .35s ease; }
.product_group_card:hover { transform: translateY(-6px); box-shadow: 0 24px 56px rgba(11,97,231,.25); color: #fff; }
.product_group_card.is_service { background: linear-gradient(135deg, #243f63, #1b3354); }
.product_group_card .badge { display: inline-block; font-size: 11px; letter-spacing: 3px; color: #e6c98a; font-weight: 700; margin-bottom: 12px; }
.product_group_card h3 { font-size: 28px; font-weight: 800; margin: 0 0 12px; color: #fff; }
.product_group_card .group_head p { font-size: 15px; color: rgba(255,255,255,.75); line-height: 1.8; margin: 0 0 20px; }
.product_group_card .group_sub { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0 0 22px; padding: 0; }
.product_group_card .group_sub li a { display: inline-block; padding: 8px 16px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 20px; font-size: 13px; color: rgba(255,255,255,.88); transition: all .25s ease; }
.product_group_card .group_sub li a:hover { background: #c8a35b; color: #0b61e7; border-color: #c8a35b; }
.product_group_card .group_more { font-size: 14px; font-weight: 700; color: #e6c98a; }
.product_sub_grid { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.product_sub_grid.is_large .product_sub_item { padding-bottom: 24px; }
.product_sub_item { width: 33.333%; padding: 0 10px; box-sizing: border-box; margin-bottom: 20px; display: flex; flex-direction: column; background: #fff; border: 1px solid #e8ecf2; border-radius: 14px; padding: 24px 22px; transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; color: inherit; }
.product_sub_item:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(11,97,231,.12); border-color: #c8a35b; color: inherit; }
.product_sub_item .sub_pic { border-radius: 10px; overflow: hidden; margin: -8px -8px 14px; max-height: 140px; }
.product_sub_item .sub_pic img { width: 100%; height: 140px; object-fit: cover; display: block; }
.product_sub_item .num { font-size: 28px; font-weight: 800; font-style: italic; color: #eef1f6; margin-bottom: 10px; }
.product_sub_item h4 { font-size: 17px; font-weight: 800; color: #131414; margin: 0 0 10px; line-height: 1.45; }
.product_sub_item p { font-size: 13px; line-height: 1.8; color: #7e8794; margin: 0 0 12px; flex: 1; }
.product_sub_item .sub_more { font-size: 12px; font-weight: 700; color: #c8a35b; margin-top: auto; }
.product_service_cards { display: flex; flex-wrap: wrap; gap: 24px; }
.product_service_card { flex: 1; min-width: 260px; background: #fff; border: 1px solid #e8ecf2; border-radius: 16px; padding: 32px 28px; box-shadow: 0 10px 36px rgba(11,97,231,.06); transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease; color: inherit; }
.product_service_card:hover { transform: translateY(-8px); border-color: #c8a35b; box-shadow: 0 22px 50px rgba(11,97,231,.12); color: inherit; }
.product_service_card .icon { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, #1b3354, #0b61e7); color: #e6c98a; font-size: 22px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.product_service_card h3 { font-size: 20px; font-weight: 800; color: #131414; margin: 0 0 12px; }
.product_service_card p { font-size: 14px; line-height: 1.85; color: #7e8794; margin: 0 0 16px; }
.product_service_card .more { font-size: 13px; font-weight: 700; color: #c8a35b; }
.product_topic_grid ul { display: flex; flex-wrap: wrap; margin: 0 -12px; list-style: none; padding: 0; }
.product_topic_grid li { width: 25%; padding: 0 12px; box-sizing: border-box; margin-bottom: 24px; }
.product_topic_grid li a { display: block; background: #fff; border: 1px solid #e8ecf2; border-radius: 16px; overflow: hidden; transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; color: inherit; height: 100%; }
.product_topic_grid li a:hover { transform: translateY(-8px); box-shadow: 0 22px 50px rgba(11,97,231,.12); border-color: #c8a35b; color: inherit; }
.product_topic_grid .pic { overflow: hidden; background: #f5f7fa; }
.product_topic_grid .pic img { width: 100%; height: 220px; object-fit: cover; display: block; transition: transform .6s ease; }
.product_topic_grid li a:hover .pic img { transform: scale(1.06); }
.product_topic_grid .info { padding: 20px 20px 22px; }
.product_topic_grid .info h3 { font-size: 16px; font-weight: 800; color: #131414; margin: 0 0 8px; line-height: 1.45; }
.product_topic_grid .info p { font-size: 13px; line-height: 1.75; color: #7e8794; margin: 0 0 12px; min-height: 46px; }
.product_topic_grid .info .more { font-size: 12px; font-weight: 700; color: #c8a35b; }
.product_topic_empty { text-align: center; padding: 48px 20px; color: #8a93a0; font-size: 15px; width: 100%; }

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width: 1240px) {
  .width, .banner_inner .width { width: 96%; }
  .container_left { width: 240px; flex-basis: 240px; }
}
@media (max-width: 992px) {
  .header { flex-wrap: wrap; gap: 14px; }
  .header .wrap { width: 100%; justify-content: space-between; }
  .nav_bg .ui-nav ul li a { padding: 0 16px; line-height: 56px; font-size: 16px; }
  .banner .ui-carousel-item img { height: 380px; }
  .banner .ui_data { flex-wrap: wrap; }
  .banner .ui_data_item { width: 50%; flex: none; margin-bottom: 18px; }
  .banner .ui_data_item::after { display: none; }
  .home_title .big { font-size: 32px; }
  .home_pro li { width: 50%; }
  .home_business_section .business_core_card { width: calc(50% - 12px); }
  .case_industry_card { width: calc(50% - 12px); }
  .case_topic_grid li { width: 50%; }
  .home_news ul li { width: 50%; }
  .partner a { width: calc(33.333% - 20px); }
  .home_solution li { width: 33.333%; }
  .home_about { flex-direction: column; gap: 30px; }
  .home_about .video, .home_about .desc { width: 100%; }
  .about_overview_lr { flex-direction: column; gap: 30px; }
  .about_overview_lr .pic { width: 100%; }
  .about_advantage_grid .item { width: 50%; }
  .about_sub_item { width: 50%; }
  .about_page_layout { flex-direction: column; }
  .about_page_side { width: 100%; flex-basis: auto; }
  .about_hero h1 { font-size: 32px; }
  .about_cta_inner { flex-direction: column; text-align: center; }
  .contact_info_item { width: calc(50% - 12px); }
  .contact_layout { flex-direction: column; }
  .contact_side { width: 100%; flex-basis: auto; }
  .contact_form_item { width: 100%; }
  .page_other.container { flex-direction: column; }
  .container_left { width: 100%; flex-basis: auto; }
  .pro_list li { width: 50%; }
  .proshow { flex-direction: column; gap: 24px; }
  .proshow .col-left { width: 100%; flex: 0 0 100%; }
  .proshow_card,
  .proshow_tabs,
  .proshow_related,
  .proshow_cta { padding: 22px 18px; }
  .proshow_tab_head { margin: 0 -18px 22px; padding: 0 18px; }
  .proshow .col-right h1 { font-size: 24px; }
  .proshow .action .ui-btn { min-width: calc(50% - 6px); flex: 1; }
  .proshow .attribute { grid-template-columns: 1fr; }
  .proshow_content ul.extend { grid-template-columns: 1fr; }
  .proshow .proshow_contact { grid-template-columns: 1fr; }
  .proshow_related_grid li { width: 50%; }
  .proshow_cta_inner { flex-direction: column; text-align: center; }
  .proshow_cta .btns { justify-content: center; width: 100%; }
  .proshow_cta .btns .ui-btn { flex: 1; min-width: calc(50% - 6px); }
  .foot-nav-grid { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
  .footer .foot-right { width: 100%; flex-basis: auto; margin-top: 10px; justify-content: flex-start; }
  .right_bar { display: none; }
}
@media (max-width: 640px) {
  .topbars { font-size: 12px; }
  .header .search .ip { width: 140px; }
  .header .tel span { font-size: 18px; }
  .banner .ui-carousel-item img { height: 260px; }
  .banner .ui_data_item { width: 100%; }
  .home_title .big { font-size: 26px; }
  .home_title .small { font-size: 13px; letter-spacing: 2px; }
  .home_pro li, .home_news ul li, .pro_list li { width: 100%; }
  .home_business_section .business_core_card { width: 100%; }
  .home_product_groups { flex-direction: column; }
  .home_product_group { min-width: 0; min-height: 280px; }
  .case_industry_card { width: 100%; }
  .case_topic_grid li { width: 100%; }
  .partner a { width: calc(50% - 20px); }
  .home_solution li { width: 50%; }
  .about_advantage_grid .item { width: 100%; }
  .about_sub_item { width: 100%; }
  .business_advantage_grid .item { width: 100%; }
  .business_scope_item { width: 100%; }
  .product_sub_item { width: 100%; }
  .product_topic_grid li { width: 100%; }
  .contact_info_item { width: 100%; }
  .business_core_card { width: 100%; }
  .business_advantage_grid .item { width: 50%; }
  .business_scope_item { width: 50%; }
  .hvac_process_item { min-width: 100%; }
  .hvac_prep_item { min-width: 100%; }
  .hvac_adv_grid .item { width: 50%; }
  .business_derived_item { min-width: 100%; }
  .product_sub_item { width: 50%; }
  .product_topic_grid li { width: 50%; }
  .product_service_card { min-width: 100%; }
  .proshow .action .ui-btn { min-width: 100%; }
  .proshow_related_grid li { width: 100%; }
  .proshow_cta .btns .ui-btn { min-width: 100%; }
  .banner_inner { height: 180px; }
  .banner_inner .title { font-size: 26px; }
  .artlist .artlist-item { flex-direction: column; }
  .artlist .artlist-item-image { width: 100%; flex-basis: auto; }
  .foot-nav-grid { grid-template-columns: 1fr; }
  .user_info { flex-direction: column; text-align: center; }
}