/* =========================================================
   叁佰建站官网主题 sanbbb.css
   蓝白销售风：白底 + 品牌蓝 #026bbc + 橙色转化点缀 #ff7a2e
   ========================================================= */
:root {
    --primary: #026bbc;
    --primary-dark: #025a9b;
    --accent: #0084ff;
    --light-blue: #bed7ea;
    --bg-light: #f5f9fd;
    --text: #333;
    --text-2: #666;
    --text-3: #999;
    --border: #e5eef5;
    --orange: #ff7a2e;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; color: var(--text); background: #fff; font-size: 15px; line-height: 1.7; }
a { text-decoration: none; color: inherit; transition: color .2s; }
ul { list-style: none; }
img { max-width: 100%; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-block; padding: 13px 46px; border-radius: 4px; font-size: 17px; transition: .2s; cursor: pointer; }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: #e96820; }
.btn-ghost { border: 1px solid rgba(255,255,255,.7); color: #fff; margin-left: 16px; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.empty-tip { text-align: center; color: var(--text-3); padding: 60px 0; font-size: 15px; }

/* ===== 顶部通栏 ===== */
.topbar { background: var(--bg-light); border-bottom: 1px solid var(--border); font-size: 13px; color: var(--text-2); }
.topbar .wrap { display: flex; justify-content: space-between; height: 34px; align-items: center; }
.topbar .hotline b { color: var(--orange); font-size: 15px; }

/* ===== 导航 ===== */
.site-header { background: #fff; box-shadow: 0 2px 8px rgba(2,107,188,.08); position: sticky; top: 0; z-index: 100; }
.site-header .head-in { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { font-size: 25px; font-weight: bold; color: var(--primary); line-height: 1.15; }
.logo small { font-size: 11px; color: var(--text-3); font-weight: normal; display: block; letter-spacing: 2px; }
.site-nav { display: flex; gap: 20px; }
.site-nav .nav-item { position: relative; }
.site-nav .nav-item > a { font-size: 15px; padding: 22px 0; display: block; border-bottom: 3px solid transparent; white-space: nowrap; }
.site-nav .nav-item > a:hover, .site-nav .nav-item > a.on { color: var(--primary); border-bottom-color: var(--primary); font-weight: bold; }
.site-nav .caret { display: inline-block; width: 0; height: 0; margin-left: 4px; vertical-align: middle; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; opacity: .5; }
.site-nav .nav-item:hover .caret { opacity: 1; }
.site-nav .dropdown { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: #fff; min-width: 150px; box-shadow: 0 8px 24px rgba(2,107,188,.15); border-radius: 0 0 6px 6px; z-index: 99; padding: 8px 0; }
.site-nav .nav-item:hover .dropdown { display: block; }
.site-nav .dropdown a { display: block; padding: 9px 20px; font-size: 14px; color: var(--text-2); white-space: nowrap; }
.site-nav .dropdown a:hover { background: var(--bg-light); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-search, .btn-menu { width: 38px; height: 38px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; font-size: 17px; color: var(--primary); }
.hd-member { font-size: 13.5px; color: var(--text-2); white-space: nowrap; padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; }
.hd-member:hover { color: var(--primary); border-color: var(--primary); }
.dl-vip { background: #fff3e6 !important; border-color: #f5d6b8 !important; color: #c96a12 !important; }
.btn-menu { display: none; flex-direction: column; justify-content: center; align-items: center; gap: 4px; }
.btn-menu span { width: 18px; height: 2px; background: var(--primary); display: block; }
.search-bar { background: var(--bg-light); border-bottom: 1px solid var(--border); }
.search-bar form { max-width: 640px; margin: 0 auto; display: flex; gap: 10px; padding: 16px 20px; }
.search-bar input { flex: 1; padding: 10px 16px; border: 1px solid var(--border); outline: none; font-size: 14px; border-radius: 4px; }
.search-bar button { background: var(--primary); border: 0; color: #fff; padding: 0 28px; cursor: pointer; border-radius: 4px; }
.mobile-nav { display: none; position: fixed; inset: 0; background: #fff; z-index: 200; padding: 60px 30px; overflow: auto; }
.mobile-nav.open { display: block; }
.mobile-nav .btn-close { position: absolute; top: 16px; right: 20px; width: 38px; height: 38px; border: 1px solid var(--border); background: #fff; border-radius: 50%; cursor: pointer; }
.mobile-nav a { display: block; padding: 12px 0; font-size: 17px; border-bottom: 1px solid var(--border); }
.mobile-nav a.lv2 { padding-left: 20px; font-size: 15px; color: var(--text-2); }

/* ===== Banner ===== */
.banner { background: linear-gradient(120deg, #026bbc 0%, #0084ff 100%); color: #fff; padding: 90px 0; text-align: center; }
.banner h1 { font-size: 42px; margin-bottom: 18px; letter-spacing: 2px; }
.banner p { font-size: 19px; opacity: .92; margin-bottom: 36px; }

/* ===== 信任条 ===== */
.trust { background: #fff; border-bottom: 1px solid var(--border); }
.trust .wrap { display: flex; justify-content: space-around; padding: 22px 20px; flex-wrap: wrap; gap: 10px; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--text-2); }
.trust-item .icon { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-light); display: flex; align-items: center; justify-content: center; font-size: 20px; }

/* ===== 版块 ===== */
section { padding: 70px 0; }
section.alt { background: var(--bg-light); }
.sec-title { text-align: center; margin-bottom: 50px; }
.sec-title h2 { font-size: 32px; }
.sec-title h2 em { font-style: normal; color: var(--primary); }
.sec-title p { color: var(--text-3); margin-top: 10px; font-size: 15px; }

/* ===== 产品货架 ===== */
.shelf { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 36px 30px; text-align: center; transition: .25s; position: relative; overflow: hidden; }
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 28px rgba(2,107,188,.14); border-color: var(--light-blue); }
.card .icon { width: 74px; height: 74px; margin: 0 auto 20px; border-radius: 18px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-size: 34px; display: flex; align-items: center; justify-content: center; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card .tag { color: var(--primary); font-size: 13px; margin-bottom: 12px; }
.card p { color: var(--text-2); font-size: 14px; margin-bottom: 18px; min-height: 66px; }
.card .price { font-size: 14px; color: var(--text-3); }
.card .price b { color: var(--orange); font-size: 24px; }
.card.coming { opacity: .55; }
.card.coming::after { content: "即将上线"; position: absolute; top: 14px; right: -30px; background: var(--light-blue); color: #fff; font-size: 12px; padding: 3px 36px; transform: rotate(45deg); }

/* ===== 价格表 ===== */
.price-block h3 { font-size: 22px; margin-bottom: 22px; border-left: 5px solid var(--primary); padding-left: 14px; }
.price-block table { width: 100%; border-collapse: collapse; background: #fff; }
.price-block th, .price-block td { border: 1px solid var(--border); padding: 13px 16px; text-align: center; font-size: 14px; }
.price-block th { background: var(--primary); color: #fff; font-weight: normal; }
.price-block tr:nth-child(even) td { background: var(--bg-light); }
.price-block td.p-name { font-weight: bold; }
.price-block td.p-price { color: var(--orange); font-weight: bold; }
.price-block td a.buy { color: var(--primary); }
.price-block td a.buy:hover { color: var(--accent); }
.table-note { font-size: 13px; color: var(--text-3); margin-top: 12px; }
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

/* ===== SEO / GEO ===== */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.duo-card { border-radius: 10px; padding: 44px 40px; color: #fff; }
.duo-card.seo { background: linear-gradient(135deg, #026bbc, #0a7ad4); }
.duo-card.geo { background: linear-gradient(135deg, #0a5f9e, #026bbc); }
.duo-card h3 { font-size: 26px; margin-bottom: 6px; }
.duo-card .sub { opacity: .85; font-size: 14px; margin-bottom: 22px; }
.duo-card li { padding: 7px 0 7px 26px; position: relative; font-size: 15px; opacity: .95; }
.duo-card li::before { content: "✓"; position: absolute; left: 0; color: #9fd4ff; font-weight: bold; }
.duo-card .btn { margin-top: 26px; }

/* ===== 案例 ===== */
.cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case { border-radius: 8px; overflow: hidden; border: 1px solid var(--border); background: #fff; transition: .25s; }
.case:hover { box-shadow: 0 10px 24px rgba(2,107,188,.15); }
.case .thumb { height: 150px; display: flex; align-items: center; justify-content: center; font-size: 40px; color: #fff; }
.case .info { padding: 16px 18px; }
.case .info h4 { font-size: 16px; }
.case .info p { font-size: 13px; color: var(--text-3); margin-top: 4px; }

/* ===== 新闻（分类悬停联动） ===== */
.news-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 34px; flex-wrap: wrap; }
.news-tabs a { display: inline-block; padding: 8px 26px; border: 1px solid var(--border); border-radius: 20px; font-size: 14px; color: var(--text-2); background: #fff; cursor: pointer; }
.news-tabs a:hover { color: var(--primary); border-color: var(--light-blue); }
.news-tabs a.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 26px; display: block; transition: .25s; }
.news-item:hover { box-shadow: 0 10px 24px rgba(2,107,188,.13); border-color: var(--light-blue); transform: translateY(-3px); }
.news-item .date { font-size: 13px; color: var(--accent); margin-bottom: 8px; }
.news-item h4 { font-size: 17px; color: var(--text); font-weight: normal; line-height: 1.55; }
.news-item p { font-size: 14px; color: var(--text-2); margin-top: 8px; }

/* ===== CTA ===== */
.cta { background: linear-gradient(120deg, #026bbc, #0084ff); color: #fff; text-align: center; padding: 60px 0; }
.cta h2 { font-size: 30px; margin-bottom: 14px; }
.cta p { opacity: .9; margin-bottom: 28px; }

/* ===== 页脚 ===== */
.site-footer { background: #1d3a55; color: #8fa9c0; padding: 50px 0 30px; font-size: 14px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 34px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.site-footer .links a, .site-footer .contact p { display: block; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.site-footer .about-txt { line-height: 1.9; }
.site-footer .foot-tel { font-size: 22px; color: #fff; font-weight: bold; margin-bottom: 8px; }
.site-footer .copy { border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; text-align: center; font-size: 13px; }
.site-footer .copy .sep { margin: 0 10px; opacity: .4; }
.logo-foot { color: #fff; margin-bottom: 14px; display: inline-block; }
.logo-foot small { color: #6d8aa5; }

/* ===== 内页公共 ===== */
.page-hero { background: linear-gradient(120deg, #026bbc, #0a7ad4); color: #fff; padding: 46px 0; }
.page-hero h1 { font-size: 28px; font-weight: bold; }
.page-hero .en { font-size: 12px; letter-spacing: 3px; opacity: .6; margin-top: 4px; }
.page-hero .crumb { font-size: 13px; opacity: .85; margin-top: 12px; }
.page-hero .crumb a:hover { text-decoration: underline; }
.page-body { padding: 50px 0 70px; }
.inner-layout { display: grid; grid-template-columns: 1fr; gap: 34px; align-items: start; }
.inner-layout:has(> .side-bar) { grid-template-columns: 250px 1fr; }
.side-bar { background: var(--bg-light); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.side-hd { background: var(--primary); color: #fff; padding: 18px 22px; }
.side-hd p { font-size: 18px; font-weight: bold; }
.side-hd span { font-size: 12px; letter-spacing: 2px; opacity: .7; }
.side-bd { padding: 10px 0; }
.side-item { display: flex; justify-content: space-between; align-items: center; padding: 11px 22px; font-size: 14px; color: var(--text-2); border-left: 3px solid transparent; }
.side-item:hover { color: var(--primary); background: #fff; }
.side-item.on { color: var(--primary); border-left-color: var(--primary); background: #fff; font-weight: bold; }
.side-item i { font-style: normal; opacity: .4; }

/* 文章列表 */
.art-list { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.art-item { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 16px 24px; border-bottom: 1px solid var(--border); }
.art-item:last-child { border-bottom: 0; }
.art-item:hover { background: var(--bg-light); }
.art-item .t { flex: 1; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.art-item .t:hover { color: var(--primary); }
.art-item .d { font-size: 13px; color: var(--text-3); white-space: nowrap; }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 30px; }
.pagination a, .pagination span { min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; padding: 0 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; color: var(--text-2); }
.pagination a:hover { color: var(--primary); border-color: var(--primary); }
.pagination .cur { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 详情 */
.detail-wrap { background: #fff; }
.detail-meta { display: flex; gap: 24px; font-size: 13px; color: var(--text-3); padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.detail-body { font-size: 15px; line-height: 2; color: var(--text); overflow-wrap: break-word; }
.detail-body img { max-width: 100%; height: auto; }
.detail-body p { margin: 10px 0; }
.detail-body h3 { font-size: 17px; margin: 24px 0 10px; padding-left: 10px; border-left: 4px solid var(--primary); line-height: 1.5; }
.detail-body h4 { font-size: 15.5px; margin: 16px 0 8px; }
.detail-body ul { margin: 8px 0 14px; }
.detail-body ul li { list-style: none; padding: 5px 0 5px 18px; position: relative; font-size: 14.5px; color: var(--text-2); line-height: 1.9; }
.detail-body ul li::before { content: ''; position: absolute; left: 2px; top: 15px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); opacity: .55; }
.detail-body ul li b { color: var(--text); }
.pn { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 14px; color: var(--text-2); }
.pn a { color: var(--primary); }
.pn div { padding: 4px 0; }

/* 产品 */
.pro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pro-card { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fff; transition: .25s; }
.pro-card:hover { box-shadow: 0 10px 24px rgba(2,107,188,.15); transform: translateY(-3px); }
.pro-card .pic { height: 180px; background: var(--bg-light); display: flex; align-items: center; justify-content: center; }
.pro-card .pic img { width: 100%; height: 100%; object-fit: cover; }
.pro-card .info { padding: 14px 18px; }
.pro-card .name { font-size: 15px; text-align: center; }
.pro-show { display: grid; grid-template-columns: 360px 1fr; gap: 30px; align-items: start; }
.pro-show .pic { background: var(--bg-light); border: 1px solid var(--border); border-radius: 8px; min-height: 240px; display: flex; align-items: center; justify-content: center; }
.pro-show .pic img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }
.pic-ph { text-align: center; padding: 20px; }
.pic-ph span { font-size: 56px; display: block; margin-bottom: 10px; opacity: .8; }
.pic-ph b { font-size: 15px; color: var(--text-3); font-weight: 600; letter-spacing: 1px; }
.pro-show .name { font-size: 22px; font-weight: bold; margin-bottom: 12px; }
.pro-show .intro { color: var(--text-2); margin-bottom: 20px; }
.sec-tlt { font-size: 19px; border-left: 5px solid var(--primary); padding-left: 12px; margin: 34px 0 16px; }
.param-table { width: 100%; border-collapse: collapse; }
.param-table td { border: 1px solid var(--border); padding: 11px 16px; font-size: 14px; }
.param-table td.k { width: 180px; background: var(--bg-light); color: var(--text-2); }

/* 留言表单 */
.form-tlt { font-size: 19px; border-left: 5px solid var(--primary); padding-left: 12px; margin: 34px 0 16px; }
.msg-form { display: grid; gap: 14px; max-width: 640px; }
.msg-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.msg-form input, .msg-form textarea, .msg-form select { padding: 12px 16px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; outline: none; font-family: inherit; background: #fff; color: var(--text); }
.msg-form input:focus, .msg-form textarea:focus { border-color: var(--primary); }
.msg-form textarea { min-height: 120px; resize: vertical; }
.msg-form button { background: var(--primary); color: #fff; border: 0; border-radius: 6px; padding: 13px 0; font-size: 15px; cursor: pointer; }
.msg-form button:hover { background: var(--primary-dark); }

/* 详情标题（案例/下载/问答/招聘） */
.detail-title { font-size: 22px; font-weight: bold; padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.back-link { margin-top: 30px; font-size: 14px; }
.back-link a { color: var(--primary); }
.case-sub { font-size: 16px; color: var(--text-2); margin-bottom: 16px; }
.case-cover { margin-bottom: 20px; border-radius: 8px; overflow: hidden; }
.case-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 20px; }

/* 案例列表 */
.case-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case-item { display: flex; gap: 16px; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fff; transition: .25s; }
.case-item:hover { box-shadow: 0 10px 24px rgba(2,107,188,.15); border-color: var(--light-blue); }
.case-item .pic { width: 150px; min-height: 110px; background: var(--bg-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--text-3); }
.case-item .pic img { width: 100%; height: 100%; object-fit: cover; }
.case-item .txt { padding: 12px 16px 12px 0; }
.case-item .name { font-size: 16px; font-weight: bold; margin-bottom: 4px; }
.case-item:hover .name { color: var(--primary); }
.case-item .desc { font-size: 13px; color: var(--text-2); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-item .meta { font-size: 12px; color: var(--text-3); display: flex; gap: 14px; flex-wrap: wrap; }

/* 下载列表 */
.dl-list { display: grid; gap: 14px; }
.dl-item { display: flex; justify-content: space-between; align-items: center; gap: 20px; border: 1px solid var(--border); border-radius: 8px; padding: 18px 22px; background: #fff; transition: .2s; }
.dl-item:hover { border-color: var(--light-blue); box-shadow: 0 6px 18px rgba(2,107,188,.1); }
.dl-item .name { font-size: 16px; font-weight: bold; }
.dl-item .name:hover { color: var(--primary); }
.dl-item .desc { font-size: 13px; color: var(--text-2); margin-top: 4px; }
.dl-item .meta { font-size: 12px; color: var(--text-3); margin-top: 8px; display: flex; gap: 16px; flex-wrap: wrap; }
.dl-btn { background: var(--primary); color: #fff !important; padding: 9px 24px; border-radius: 5px; font-size: 14px; white-space: nowrap; flex-shrink: 0; }
a.dl-btn:hover { background: var(--primary-dark); }
.dl-btn.disabled { background: #ccc; cursor: not-allowed; }
.dl-cta { margin-bottom: 20px; }

/* 问答 */
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 8px; background: #fff; overflow: hidden; }
.faq-item summary { padding: 15px 20px; font-size: 15px; font-weight: bold; cursor: pointer; list-style: none; position: relative; padding-right: 44px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--primary); font-size: 20px; font-weight: normal; }
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { color: var(--primary); }
.faq-item .answer { padding: 0 20px 16px; font-size: 14px; color: var(--text-2); line-height: 1.9; }

/* 招聘 */
.job-list { display: grid; gap: 14px; }
.job-item { border: 1px solid var(--border); border-radius: 8px; padding: 18px 22px; background: #fff; transition: .2s; display: block; }
.job-item:hover { border-color: var(--light-blue); box-shadow: 0 6px 18px rgba(2,107,188,.1); }
.job-item .top { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.job-item .name { font-size: 16px; font-weight: bold; }
.job-item:hover .name { color: var(--primary); }
.job-item .salary { color: var(--orange); font-size: 16px; font-weight: bold; }
.job-item .tags { margin-top: 8px; display: flex; gap: 10px; flex-wrap: wrap; }
.job-item .tags span { background: var(--bg-light); border: 1px solid var(--border); border-radius: 4px; padding: 2px 12px; font-size: 12px; color: var(--text-2); }
.apply-tip { margin-top: 30px; background: var(--bg-light); border: 1px dashed var(--light-blue); border-radius: 8px; padding: 16px 20px; font-size: 14px; color: var(--text-2); }
.apply-tip strong { color: var(--primary); }

/* ===== 域名查询框 ===== */
.dsearch { background: linear-gradient(180deg, #eaf4fc, #fff); padding: 26px 0 10px; }
.ds-box { display: flex; max-width: 680px; margin: 0 auto; background: #fff; border: 2px solid var(--primary); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(2,107,188,.12); }
.ds-icon { display: flex; align-items: center; padding: 0 12px 0 16px; font-size: 18px; }
.ds-box input { flex: 1; border: none; outline: none; font-size: 16px; padding: 14px 8px; color: var(--text-1); }
.ds-box button { border: none; background: var(--orange); color: #fff; font-size: 16px; font-weight: 700; padding: 0 30px; cursor: pointer; transition: background .2s; }
.ds-box button:hover { background: #e5651a; }
.ds-box button:disabled { background: #ffb98f; cursor: wait; }
.ds-result { max-width: 680px; margin: 14px auto 0; }
.ds-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; box-shadow: 0 2px 10px rgba(2,107,188,.08); }
.ds-table th { background: var(--bg-light); font-size: 13px; color: var(--text-2); padding: 9px 14px; text-align: left; }
.ds-table td { padding: 10px 14px; border-top: 1px solid var(--border); font-size: 14px; }
.ds-table .ds-sfx b { color: var(--primary); }
.ds-table .ok { color: #2c7a4b; font-weight: 700; }
.ds-table .no { color: #999; }
.ds-table .unk { color: var(--text-2); }
.ds-table td i { font-style: normal; font-size: 12px; color: var(--text-2); }
.ds-buy { display: inline-block; background: var(--orange); color: #fff; text-decoration: none; padding: 5px 16px; border-radius: 4px; font-size: 13px; font-weight: 700; }
.ds-buy:hover { background: #e5651a; }
.ds-alt { display: inline-block; border: 1px solid var(--border); color: var(--text-2); text-decoration: none; padding: 4px 14px; border-radius: 4px; font-size: 13px; }
.ds-alt:hover { border-color: var(--primary); color: var(--primary); }
.ds-note { font-size: 12px; color: var(--text-2); text-align: center; margin-top: 8px; }
.ds-err { text-align: center; color: #c0392b; font-size: 14px; background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px; }

/* ===== 域名促销条（借鉴 west.cn） ===== */
.dm-bar { background: var(--primary); color: #fff; padding: 10px 0; }
.dm-bar .wrap { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dm-label { font-weight: 700; margin-right: 10px; display: flex; align-items: baseline; gap: 8px; }
.dm-label i { font-style: normal; font-weight: 400; font-size: 12px; opacity: .75; }
.dm-item { display: flex; align-items: baseline; gap: 5px; color: #fff; text-decoration: none; padding: 4px 14px; border-radius: 16px; transition: background .2s; }
.dm-item b { font-size: 16px; }
.dm-item em { font-style: normal; color: #ffd28a; font-weight: 700; font-size: 15px; }
.dm-item em i { font-style: normal; font-size: 11px; font-weight: 400; }
.dm-item:hover { background: rgba(255,255,255,.18); }
.dm-more { margin-left: auto; color: #cfe6f7; font-size: 12px; text-decoration: none; }
.dm-more:hover { color: #fff; }

/* ===== 产品 Tab 价格卡（借鉴 west.cn，悬停切换） ===== */
.prod-tabs { display: flex; justify-content: center; gap: 0; margin: 26px 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; max-width: 720px; margin-left: auto; margin-right: auto; }
.prod-tabs li { flex: 1; list-style: none; }
.prod-tabs a { display: block; text-align: center; padding: 12px 8px; background: #fff; color: var(--text-1); font-size: 15px; cursor: pointer; border-right: 1px solid var(--border); transition: all .2s; }
.prod-tabs li:last-child a { border-right: none; }
.prod-tabs a:hover, .prod-tabs a.on { background: var(--primary); color: #fff; font-weight: 700; }
.prod-panel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pcard { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 26px 22px; position: relative; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.pcard:hover { box-shadow: 0 8px 24px rgba(2,107,188,.14); transform: translateY(-3px); }
.pcard.hot { border-color: var(--orange); }
.pcard .ribbon { position: absolute; top: 0; right: 18px; background: var(--orange); color: #fff; font-size: 12px; padding: 3px 12px; border-radius: 0 0 6px 6px; }
.pcard .ribbon.new { background: var(--primary); }
.pcard h4 { font-size: 18px; margin-bottom: 8px; }
.pcard .pprice { color: var(--orange); margin-bottom: 14px; }
.pcard .pprice b { font-size: 32px; }
.pcard .pprice i { font-style: normal; font-size: 13px; color: var(--text-2); }
.pcard ul { flex: 1; margin-bottom: 18px; }
.pcard ul li { list-style: none; padding: 6px 0 6px 20px; font-size: 13px; color: var(--text-2); border-bottom: 1px dashed var(--border); position: relative; }
.pcard ul li:last-child { border-bottom: none; }
.pcard ul li::before { content: '✓'; position: absolute; left: 2px; color: #2c7a4b; font-weight: 700; }
.pbtns { display: flex; gap: 10px; }
.pcard-intro { flex: 1; font-size: 13px; color: var(--text-2); line-height: 1.85; margin-bottom: 18px; min-height: 50px; }
.cat-card { text-decoration: none; color: inherit; }
.cat-card h4 { color: var(--primary); }
.cat-card .cat-go { display: block; text-align: center; padding: 10px 0; border-radius: 6px; background: var(--bg-light); color: var(--primary); font-weight: 700; font-size: 14px; transition: all .2s; }
.cat-card:hover .cat-go { background: var(--primary); color: #fff; }
.pbtns .buy { flex: 1; text-align: center; background: var(--orange); color: #fff; text-decoration: none; padding: 10px 0; border-radius: 6px; font-weight: 700; font-size: 14px; transition: background .2s; }
.pbtns .buy:hover { background: #e5651a; }
.pbtns .more { flex: 1; text-align: center; border: 1px solid var(--primary); color: var(--primary); text-decoration: none; padding: 10px 0; border-radius: 6px; font-size: 14px; transition: all .2s; }
.pbtns .more:hover { background: var(--primary); color: #fff; }

/* ===== 建站流程 ===== */
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; padding: 0; counter-reset: step; }
.flow li { list-style: none; text-align: center; background: var(--bg-light); border: 1px solid var(--border); border-radius: 10px; padding: 22px 10px 18px; position: relative; transition: all .2s; }
.flow li:hover { border-color: var(--primary); background: #eaf4fc; }
.flow li span { display: block; font-size: 22px; font-weight: 800; color: var(--primary); opacity: .35; margin-bottom: 8px; }
.flow li b { display: block; font-size: 15px; margin-bottom: 5px; }
.flow li i { font-style: normal; font-size: 12px; color: var(--text-2); }

/* ===== 客户评价（无缝滚动） ===== */
.rev-viewport { overflow: hidden; }
.rev-track { display: flex; gap: 20px; width: max-content; animation: rev-scroll 36s linear infinite; }
.rev-viewport:hover .rev-track { animation-play-state: paused; }
@keyframes rev-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.rev-item { width: 300px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 22px 20px; flex-shrink: 0; }
.rev-item .stars { color: #f5a623; font-size: 14px; letter-spacing: 2px; margin-bottom: 10px; }
.rev-item p { font-size: 14px; color: var(--text-1); line-height: 1.7; min-height: 72px; }
.rev-item .who { margin-top: 10px; font-size: 12px; color: var(--text-2); }

/* ===== 网站建设栏目页 ===== */
.wb-hero { padding-bottom: 46px; }
.wb-hero-sub { margin: 16px auto 22px; max-width: 720px; font-size: 16px; color: rgba(255,255,255,.88); line-height: 1.9; }
.wb-hero-btns .btn { margin: 0 6px; }

.wb-pain .pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain-item { background: #fff; border: 1px solid var(--border); border-left: 3px solid #d9534f; border-radius: 8px; padding: 20px 22px; }
.pain-item b { display: block; font-size: 16px; margin-bottom: 8px; color: var(--text-1); }
.pain-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.8; }

.wb-way .way-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.way-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 26px 24px; position: relative; overflow: hidden; }
.way-card .wnum { position: absolute; top: 8px; right: 16px; font-size: 42px; font-weight: 800; color: var(--primary); opacity: .1; }
.way-card h3 { font-size: 18px; margin-bottom: 10px; }
.way-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.85; }

.wb-plans .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 30px 26px 26px; display: flex; flex-direction: column; position: relative; transition: box-shadow .2s, transform .2s; }
.plan:hover { box-shadow: 0 10px 28px rgba(2,107,188,.14); transform: translateY(-4px); }
.plan.rec { border: 2px solid var(--orange); }
.plan-tag { position: absolute; top: -1px; right: 22px; background: var(--orange); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 0 0 8px 8px; }
.plan h3 { font-size: 20px; margin-bottom: 4px; }
.plan-for { font-size: 13px; color: var(--text-2); margin-bottom: 14px; }
.plan-price { border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); padding: 14px 0; margin-bottom: 16px; }
.plan-price b { font-size: 34px; color: var(--orange); white-space: nowrap; }
.plan-price b .plan-qi, .plan-price b em.plan-qi { font-style: normal; font-size: 15px; font-weight: 600; margin-left: 3px; letter-spacing: 0; }
.plan-price i { display: block; font-style: normal; font-size: 12px; color: var(--text-2); margin-top: 4px; }
.plan ul { flex: 1; margin-bottom: 20px; }
.plan ul li { list-style: none; padding: 5px 0 5px 20px; font-size: 13.5px; color: var(--text-1); position: relative; }
.plan ul li::before { content: '✓'; position: absolute; left: 2px; color: #2c7a4b; font-weight: 700; }
.plan-btn { display: block; text-align: center; padding: 11px 0; border-radius: 6px; text-decoration: none; font-weight: 700; font-size: 15px; border: 1px solid var(--primary); color: var(--primary); transition: all .2s; }
.plan-btn:hover { background: var(--primary); color: #fff; }
.plan.rec .plan-btn { background: var(--orange); border-color: var(--orange); color: #fff; }
.plan.rec .plan-btn:hover { background: #e5651a; }
.plan-note { margin-top: 22px; text-align: center; font-size: 12.5px; color: var(--text-2); line-height: 1.8; }
.plan-grid.cols4, .wb-cap .cap-grid.cols4 { grid-template-columns: repeat(4, 1fr); }
.plan-grid.cols4 .plan-price b { font-size: 28px; }

.plan-grid.cols5 { grid-template-columns: repeat(5, 1fr); gap: 16px; }
.wb-pain .pain-grid.cols4 { grid-template-columns: repeat(4, 1fr); }
.plan-grid.cols5 .plan { padding: 26px 16px 20px; }
.plan-grid.cols5 .plan h3 { font-size: 18px; }
.plan-grid.cols5 .plan-for { font-size: 12px; min-height: 34px; margin-bottom: 10px; }
.plan-grid.cols5 .plan-price { margin-bottom: 14px; }
.plan-grid.cols5 .plan-price b { font-size: 25px; }
.plan-grid.cols5 .plan-price i { font-size: 11.5px; }
.plan-grid.cols5 .plan ul li { font-size: 12.5px; }
.plan-grid.cols5 .plan-btn { font-size: 14px; padding: 9px 0; }

@media (max-width: 1100px) {
    .plan-grid.cols4, .cap-grid.cols4, .wb-pain .pain-grid.cols4 { grid-template-columns: repeat(2, 1fr); }
    .plan-grid.cols5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
    .plan-grid.cols5 { grid-template-columns: 1fr 1fr; }
}

.wb-cap .cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cap { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 24px 22px; transition: border-color .2s; }
.cap:hover { border-color: var(--primary); }
.cap span { font-size: 26px; }
.cap h4 { font-size: 16px; margin: 10px 0 8px; }
.cap p { font-size: 13.5px; color: var(--text-2); line-height: 1.8; }

.wb-faq .faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 16px 20px; font-weight: 700; font-size: 15px; list-style: none; position: relative; padding-right: 44px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '＋'; position: absolute; right: 20px; color: var(--primary); font-weight: 400; }
.faq-item[open] summary::after { content: '－'; }
.faq-item[open] summary { color: var(--primary); border-bottom: 1px solid var(--border); }
.faq-body { padding: 14px 20px 18px; font-size: 14px; color: var(--text-2); line-height: 1.9; }

.wb-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }
.wb-contact-txt h2 { font-size: 26px; margin-bottom: 14px; }
.wb-contact-txt > p { font-size: 14.5px; color: var(--text-2); line-height: 1.9; margin-bottom: 22px; }
.wb-contact-info div { font-size: 14px; color: var(--text-1); padding: 8px 0; border-bottom: 1px dashed var(--border); }
.wb-contact-info b { display: inline-block; width: 82px; color: var(--text-2); font-weight: 400; }
.wb-contact-form { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 26px 24px; box-shadow: 0 6px 20px rgba(2,107,188,.08); }

/* ===== 关于我们 ===== */
.wb-stats { background: var(--primary); padding: 0; }
.wb-stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { text-align: center; padding: 30px 10px; color: #fff; border-right: 1px solid rgba(255,255,255,.16); }
.stat-item:last-child { border-right: 0; }
.stat-item b { display: block; font-size: 34px; line-height: 1.2; font-weight: 800; }
.stat-item b em { font-style: normal; font-size: 15px; margin-left: 3px; opacity: .82; font-weight: 400; }
.stat-item span { font-size: 13.5px; opacity: .85; }

.wb-story .story-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 46px; align-items: start; }
.wb-story h2 { font-size: 28px; margin-bottom: 16px; }
.wb-story p { font-size: 14.5px; color: var(--text-2); line-height: 2; margin-bottom: 14px; }
.wb-story p b { color: var(--text); }
.story-facts { background: var(--bg-light); border: 1px solid var(--border); border-radius: 10px; padding: 4px 22px; }
.story-facts div { display: flex; gap: 12px; padding: 13px 0; border-bottom: 1px dashed var(--border); font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.story-facts div:last-child { border-bottom: 0; }
.story-facts b { color: var(--text); flex: 0 0 72px; font-weight: 700; }

.wb-timeline .tl { position: relative; max-width: 860px; margin: 0 auto; padding-left: 28px; }
.wb-timeline .tl::before { content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ''; position: absolute; left: -27px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: #fff; border: 2px solid var(--primary); }
.tl-item b { display: block; font-size: 17px; color: var(--primary); font-weight: 800; margin-bottom: 2px; }
.tl-item h4 { font-size: 15.5px; margin-bottom: 6px; }
.tl-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.9; }

.wb-nope .nope-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 920px; margin: 0 auto; }
.nope-item { border: 1px solid var(--border); border-left: 3px solid #d9534f; border-radius: 8px; padding: 18px 20px; background: #fff; }
.nope-item b { display: block; font-size: 15px; margin-bottom: 6px; }
.nope-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.8; }

/* ===== 客户案例卡片 ===== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; transition: .25s; }
.case-card:hover { box-shadow: 0 12px 28px rgba(2,107,188,.13); transform: translateY(-3px); border-color: var(--light-blue); }
.cc-top { height: 132px; padding: 18px 20px; color: #fff; display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(135deg, #026bbc, #0084ff); }
.case-card:nth-child(3n+2) .cc-top { background: linear-gradient(135deg, #0f4c75, #3282b8); }
.case-card:nth-child(3n+3) .cc-top { background: linear-gradient(135deg, #1b4b43, #2f7d6e); }
.cc-ind { font-size: 12px; opacity: .85; letter-spacing: .5px; }
.cc-top b { font-size: 19px; line-height: 1.35; font-weight: 800; }
.cc-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.cc-body h4 { font-size: 15.5px; margin-bottom: 8px; }
.cc-body p { font-size: 13px; color: var(--text-2); line-height: 1.8; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.cc-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 12px; color: var(--text-3); }
.cc-meta i { font-style: normal; color: var(--primary); font-weight: 700; }

/* ===== 客户案例详情 ===== */
.case-detail { max-width: 880px; margin: 0 auto; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 40px 48px 44px; }
.cd-head h1 { font-size: 24px; line-height: 1.5; margin-bottom: 14px; }
.cd-meta { display: flex; gap: 10px; flex-wrap: wrap; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.cd-meta span { background: var(--bg-light); border: 1px solid var(--border); border-radius: 4px; padding: 3px 12px; font-size: 12.5px; color: var(--text-2); }
.cd-meta span b { color: var(--primary); font-weight: 600; }
.cd-lead { background: var(--bg-light); border-left: 4px solid var(--primary); border-radius: 0 8px 8px 0; padding: 14px 18px; font-size: 14.5px; color: var(--text-2); line-height: 1.9; margin: 22px 0 6px; }
.cd-cta { margin-top: 34px; padding-top: 24px; border-top: 1px dashed var(--border); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.cd-cta p { font-size: 14.5px; color: var(--text-2); }
.cd-cta p b { color: var(--text); }
.cd-cta .btn { padding: 11px 34px; font-size: 15px; border-radius: 5px; }

/* ===== 联系我们 ===== */
.ct-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ct-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 26px 20px; text-align: center; transition: .2s; }
.ct-card:hover { border-color: var(--primary); box-shadow: 0 8px 20px rgba(2,107,188,.1); }
.ct-card > span { font-size: 30px; }
.ct-card h4 { font-size: 15px; color: var(--text-3); font-weight: 400; margin: 10px 0 6px; }
.ct-card p { font-size: 16px; font-weight: 700; color: var(--text); word-break: break-all; }
.ct-card p small { display: block; font-size: 12.5px; color: var(--text-3); font-weight: 400; margin-top: 4px; }
.ct-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 30px; margin-top: 28px; align-items: stretch; }
.map-card { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); min-height: 420px; background: linear-gradient(135deg, #e8f2fa 0%, #f2f8fd 60%, #e4f0f9 100%); }
.map-card::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, transparent, transparent 45px, rgba(2,107,188,.07) 46px), repeating-linear-gradient(90deg, transparent, transparent 45px, rgba(2,107,188,.07) 46px); }
.map-road1, .map-road2 { position: absolute; background: rgba(255,255,255,.9); box-shadow: 0 0 0 1px rgba(2,107,188,.08); }
.map-road1 { width: 140%; height: 22px; left: -20%; top: 38%; transform: rotate(-7deg); }
.map-road2 { width: 22px; height: 140%; left: 30%; top: -20%; transform: rotate(9deg); }
.map-road3 { position: absolute; width: 120%; height: 10px; left: -10%; top: 68%; transform: rotate(4deg); background: rgba(255,255,255,.7); }
.map-pin { position: absolute; left: 32%; top: 30%; transform: translateX(-50%); z-index: 2; text-align: center; animation: pinBounce 2s ease-in-out infinite; }
.map-pin i { font-style: normal; font-size: 44px; line-height: 1; display: block; filter: drop-shadow(0 6px 8px rgba(217,83,79,.35)); }
.map-pin::after { content: ''; display: block; width: 34px; height: 10px; margin: 2px auto 0; border-radius: 50%; background: rgba(2,107,188,.18); }
@keyframes pinBounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }
.map-badge { position: absolute; left: 32%; top: 30%; transform: translate(14px, -52px); z-index: 3; background: #d9534f; color: #fff; font-size: 12.5px; padding: 4px 10px; border-radius: 4px; white-space: nowrap; }
.map-info { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,.96); border-top: 1px solid var(--border); padding: 16px 22px; z-index: 4; }
.map-info b { display: block; font-size: 15px; margin-bottom: 4px; }
.map-info small { font-size: 12.5px; color: var(--text-3); }
.map-btns { margin-top: 10px; display: flex; gap: 10px; flex-wrap: wrap; }
.map-btns a { font-size: 13px; padding: 7px 16px; border-radius: 5px; border: 1px solid var(--border); color: var(--text-2); background: #fff; }
.map-btns a:hover { border-color: var(--primary); color: var(--primary); }
.ct-side { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px 26px; display: flex; flex-direction: column; }
.ct-side h3 { font-size: 19px; margin-bottom: 6px; }
.ct-side > p { font-size: 13.5px; color: var(--text-3); margin-bottom: 18px; }
.ct-side .ct-line { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--border); font-size: 14px; align-items: baseline; }
.ct-side .ct-line:last-of-type { border-bottom: 0; }
.ct-side .ct-line b { flex: 0 0 78px; color: var(--text-3); font-weight: 400; font-size: 13px; }
.ct-side .ct-line div { color: var(--text); line-height: 1.7; word-break: break-all; }
.ct-hours { margin-top: auto; background: var(--bg-light); border-radius: 8px; padding: 14px 16px; font-size: 13px; color: var(--text-2); line-height: 1.9; }
.ct-hours b { color: var(--text); }

/* ===== 帮助中心（常见问题） ===== */
.faq-search { max-width: 760px; margin: 0 auto 42px; display: flex; box-shadow: 0 8px 24px rgba(2,107,188,.1); border-radius: 8px; }
.faq-search input { flex: 1; border: 2px solid var(--primary); border-right: 0; border-radius: 8px 0 0 8px; padding: 14px 20px; font-size: 15px; outline: none; }
.faq-search button { background: var(--primary); color: #fff; border: 0; padding: 0 36px; font-size: 15px; font-weight: 700; border-radius: 0 8px 8px 0; cursor: pointer; }
.faq-search button:hover { background: var(--primary-dark); }
.faq-help { display: grid; grid-template-columns: 260px 1fr; gap: 30px; align-items: start; }
.fh-side { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; position: sticky; top: 90px; }
.fh-side .hd { background: var(--primary); color: #fff; padding: 13px 18px; font-size: 15px; font-weight: 700; }
.fh-cat { display: flex; justify-content: space-between; align-items: center; padding: 12px 18px; font-size: 14px; color: var(--text-2); border-bottom: 1px solid var(--border); cursor: pointer; }
.fh-cat:hover { color: var(--primary); background: var(--bg-light); }
.fh-cat.on { color: var(--primary); background: var(--bg-light); font-weight: 700; }
.fh-cat em { font-style: normal; font-size: 12px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 0 9px; color: var(--text-3); }
.fh-hot { padding: 14px 18px 10px; border-bottom: 1px solid var(--border); }
.fh-hot h4 { font-size: 14px; margin-bottom: 8px; }
.fh-hot a { display: block; font-size: 13px; color: var(--text-2); padding: 6px 0; border-bottom: 1px dashed var(--border); }
.fh-hot a:last-child { border-bottom: 0; }
.fh-hot a:hover { color: var(--primary); }
.fh-contact { padding: 14px 18px 16px; }
.fh-contact p { font-size: 13px; color: var(--text-3); margin-bottom: 8px; }
.fh-contact .tel { display: block; font-size: 17px; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.fh-contact a:last-child { font-size: 13px; color: var(--text-2); }
.fh-contact a:last-child:hover { color: var(--primary); }
.fh-group { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px 14px; margin-bottom: 20px; }
.fh-group > h3 { font-size: 16px; margin-bottom: 14px; padding-left: 10px; border-left: 4px solid var(--primary); line-height: 1.4; }
.fh-group .faq-item:last-child { margin-bottom: 0; }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .wb-story .story-grid { grid-template-columns: 1fr; gap: 26px; }
    .ct-cards { grid-template-columns: repeat(2, 1fr); }
    .ct-grid { grid-template-columns: 1fr; }
    .map-card { min-height: 340px; }
    .faq-help { grid-template-columns: 1fr; }
    .fh-side { position: static; }
    .inner-layout:has(> .side-bar) { grid-template-columns: 1fr; }
    .case-detail { padding: 28px 22px 30px; }
    .wb-stats .wrap { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: 0; }
    .stat-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.16); }
}
@media (max-width: 700px) {
    .case-grid { grid-template-columns: 1fr; }
    .wb-nope .nope-grid { grid-template-columns: 1fr; }
    .stat-item b { font-size: 26px; }
}
@media (max-width: 992px) {
    .site-nav { display: none; }
    .btn-menu { display: flex; }
    .topbar .wrap span:first-child { display: none; }
    .shelf, .cases, .news-list, .pro-grid, .case-list, .case-gallery { grid-template-columns: repeat(2, 1fr); }
    .price-grid, .duo { grid-template-columns: 1fr; }
    .inner-layout { grid-template-columns: 1fr; }
    .pro-show { grid-template-columns: 1fr; }
    .banner h1 { font-size: 30px; }
    .site-footer .cols { grid-template-columns: 1fr 1fr; }
    .prod-panel { grid-template-columns: repeat(2, 1fr); }
    .flow { grid-template-columns: repeat(3, 1fr); }
    .dm-more { margin-left: 0; width: 100%; }
    .wb-pain .pain-grid, .wb-way .way-grid, .wb-plans .plan-grid, .wb-cap .cap-grid { grid-template-columns: 1fr 1fr; }
    .wb-contact-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 600px) {
    .shelf, .cases, .news-list, .pro-grid, .case-list, .case-gallery { grid-template-columns: 1fr; }
    .case-item { flex-direction: column; }
    .case-item .pic { width: 100%; }
    .dl-item { flex-direction: column; align-items: flex-start; }
    .banner { padding: 60px 0; }
    .banner h1 { font-size: 24px; }
    .banner .btn-ghost { margin-left: 0; margin-top: 12px; }
    .trust .wrap { flex-direction: column; align-items: flex-start; }
    .card p { min-height: 0; }
    .site-footer .cols { grid-template-columns: 1fr; }
    .msg-form .row2 { grid-template-columns: 1fr; }
    .prod-panel { grid-template-columns: 1fr; }
    .flow { grid-template-columns: repeat(2, 1fr); }
    .prod-tabs { flex-wrap: wrap; }
    .prod-tabs li { flex: 1 1 50%; }
    .dm-bar .wrap { flex-direction: column; align-items: flex-start; gap: 4px; }
}