/* 赤玫 主题 - 体育企业模板 (klavy) · 通用企业落地页版式 */
:root {
    --klv-primary: #C2255C;
    --klv-primary-dark: #8E1A41;
    --klv-accent: #FCC419;
    --klv-accent-dark: #E0A800;
    --klv-hero-btn: #C2255C;
    --klv-hero-btn-hover: #8E1A41;
    --klv-cta: #FCC419;
    --klv-bg: #ffffff;
    --klv-sub-bg: #FDECF2;
    --klv-text: #1F2430;
    --klv-text2: #6B7280;
    --klv-dark1: #2E0715;
    --klv-dark2: #8E1A41;
    --klv-update-grad: linear-gradient(135deg, #C2255C, #8E1A41);
    --klv-line: #ECEEF1;
}
* { box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--klv-text); background: var(--klv-bg); margin: 0; padding: 0; line-height: 1.7; }
a { color: var(--klv-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--klv-primary-dark); }
img { max-width: 100%; display: block; }
.klv-wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ============ Header (白色 sticky) ============ */
.klv-header { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.08); position: sticky; top: 0; z-index: 1000; }
.klv-header .klv-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.klv-logo { display: flex; align-items: center; gap: 10px; }
.klv-logo .klv-logo-badge { width: 40px; height: 40px; border-radius: 10px; background: var(--klv-update-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.klv-logo .klv-logo-text { font-size: 21px; font-weight: 800; color: var(--klv-text); letter-spacing: .5px; }
.klv-nav { display: flex; align-items: center; gap: 6px; }
.klv-nav a { color: var(--klv-text); font-weight: 600; font-size: 15px; padding: 9px 14px; border-radius: 6px; transition: all .2s; }
.klv-nav a:hover { color: var(--klv-primary); background: var(--klv-sub-bg); }
.klv-nav a.klv-cta { background: var(--klv-primary); color: #fff; font-weight: 700; border-radius: 30px; padding: 9px 22px; }
.klv-nav a.klv-cta:hover { background: var(--klv-primary-dark); color: #fff; }

/* ============ Hero (大图遮罩 + 左文 + 双按钮) ============ */
.klv-hero { position: relative; min-height: 560px; display: flex; align-items: center; background: var(--klv-dark1); overflow: hidden; }
.klv-hero .klv-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .6; }
.klv-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.78) 0%, rgba(0,0,0,.45) 50%, rgba(0,0,0,.2) 100%); }
.klv-hero .klv-wrap { position: relative; z-index: 2; }
.klv-hero .klv-hero-txt { max-width: 680px; color: #fff; }
.klv-hero .klv-eyebrow { display: inline-block; letter-spacing: 3px; font-size: 14px; font-weight: 700; color: var(--klv-cta); margin-bottom: 14px; text-transform: uppercase; }
.klv-hero h1 { font-size: 46px; font-weight: 800; margin: 0 0 18px; line-height: 1.18; }
.klv-hero h1 .klv-accent { color: var(--klv-cta); }
.klv-hero p { font-size: 18px; color: rgba(255,255,255,.9); margin: 0 0 30px; }
.klv-hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.klv-btn-hero { display: inline-block; padding: 14px 32px; background: var(--klv-hero-btn); color: #fff; font-weight: 700; border-radius: 34px; font-size: 16px; transition: all .2s; box-shadow: 0 8px 22px rgba(0,0,0,.25); }
.klv-btn-hero:hover { background: var(--klv-hero-btn-hover); color: #fff; transform: translateY(-2px); }
.klv-btn-ghost { display: inline-block; padding: 14px 32px; background: transparent; color: #fff; font-weight: 700; border-radius: 34px; font-size: 16px; border: 2px solid rgba(255,255,255,.6); transition: all .2s; }
.klv-btn-ghost:hover { background: #fff; color: var(--klv-dark1); border-color: #fff; }

/* ============ Section base ============ */
.klv-section { padding: 78px 0; }
.klv-section.alt { background: var(--klv-sub-bg); }
.klv-head { text-align: center; margin-bottom: 46px; }
.klv-head .klv-en { letter-spacing: 3px; font-size: 14px; color: var(--klv-primary); font-weight: 700; text-transform: uppercase; }
.klv-head h2 { font-size: 32px; font-weight: 800; margin: 8px 0 10px; color: var(--klv-text); }
.klv-head .klv-bar { width: 54px; height: 3px; background: var(--klv-cta); margin: 0 auto 14px; border-radius: 3px; }
.klv-head p { color: var(--klv-text2); margin: 0; font-size: 16px; }

/* ============ About (关于我们 + 3 要点) ============ */
.klv-about .klv-row { display: flex; flex-wrap: wrap; align-items: center; gap: 46px; }
.klv-about .klv-about-img { flex: 1 1 48%; border-radius: 16px; overflow: hidden; box-shadow: 0 14px 36px rgba(0,0,0,.15); aspect-ratio: 4/3; }
.klv-about .klv-about-img img { width: 100%; height: 100%; object-fit: cover; }
.klv-about .klv-about-txt { flex: 1 1 44%; }
.klv-about .klv-about-txt .klv-en { letter-spacing: 3px; font-size: 14px; color: var(--klv-primary); font-weight: 700; text-transform: uppercase; }
.klv-about .klv-about-txt h2 { font-size: 30px; font-weight: 800; color: var(--klv-text); margin: 8px 0 16px; }
.klv-about .klv-about-txt .klv-lead { color: var(--klv-text2); font-size: 16px; line-height: 1.95; margin: 0 0 14px; }
.klv-about-items { list-style: none; padding: 0; margin: 18px 0 26px; display: grid; gap: 14px; }
.klv-about-items li { display: flex; gap: 14px; align-items: flex-start; }
.klv-about-items .klv-ai-icon { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 12px; background: var(--klv-update-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.klv-about-items h4 { margin: 0 0 2px; font-size: 16px; font-weight: 700; color: var(--klv-text); }
.klv-about-items p { margin: 0; font-size: 14px; color: var(--klv-text2); }

/* ============ Security (服务保障 3 图标卡) ============ */
.klv-sec-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.klv-sec-card { background: #fff; padding: 34px 28px; border-radius: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.06); border: 1px solid var(--klv-line); text-align: center; transition: all .25s; }
.klv-sec-card:hover { transform: translateY(-6px); box-shadow: 0 16px 34px rgba(0,0,0,.12); border-color: var(--klv-primary); }
.klv-sec-card .klv-sec-icon { width: 68px; height: 68px; border-radius: 50%; background: var(--klv-sub-bg); color: var(--klv-primary); display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 0 auto 18px; }
.klv-sec-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 10px; color: var(--klv-text); }
.klv-sec-card p { font-size: 14px; color: var(--klv-text2); margin: 0; line-height: 1.75; }

/* ============ Departments (业务部门 6 图文卡) ============ */
.klv-dept-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px; }
.klv-dept-card { background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 6px 20px rgba(0,0,0,.07); border: 1px solid var(--klv-line); transition: all .3s; }
.klv-dept-card:hover { transform: translateY(-6px); box-shadow: 0 16px 34px rgba(0,0,0,.13); }
.klv-dept-card .klv-dept-img { aspect-ratio: 16/9; overflow: hidden; }
.klv-dept-card .klv-dept-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.klv-dept-card:hover .klv-dept-img img { transform: scale(1.07); }
.klv-dept-card .klv-dept-body { padding: 22px 24px; }
.klv-dept-card .klv-dept-title { font-size: 19px; font-weight: 800; margin: 0 0 10px; color: var(--klv-text); }
.klv-dept-card .klv-dept-title i { color: var(--klv-primary); margin-right: 8px; }
.klv-dept-card .klv-dept-text { font-size: 14px; color: var(--klv-text2); margin: 0; line-height: 1.75; }

/* ============ Reviews (客户口碑 4 条) ============ */
.klv-review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.klv-review-card { background: #fff; padding: 28px 26px; border-radius: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.06); border: 1px solid var(--klv-line); position: relative; }
.klv-review-card .klv-quote { font-size: 40px; line-height: 1; color: var(--klv-cta); opacity: .5; margin-bottom: 8px; }
.klv-review-card p { font-size: 15px; color: var(--klv-text); line-height: 1.85; margin: 0 0 18px; }
.klv-review-card .klv-stars { color: var(--klv-cta); font-size: 13px; margin-bottom: 16px; }
.klv-review-user { display: flex; align-items: center; gap: 12px; }
.klv-review-user .klv-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--klv-update-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; }
.klv-review-user .klv-name { font-weight: 700; color: var(--klv-text); font-size: 15px; }
.klv-review-user .klv-role { font-size: 13px; color: var(--klv-text2); }

/* ============ Updates (发展历程 时间线) ============ */
.klv-timeline { max-width: 860px; margin: 0 auto; position: relative; padding-left: 34px; }
.klv-timeline::before { content: ''; position: absolute; left: 10px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--klv-primary), var(--klv-primary-dark)); }
.klv-update-card { position: relative; background: #fff; border: 1px solid var(--klv-line); border-radius: 12px; padding: 20px 24px; margin-bottom: 18px; box-shadow: 0 4px 14px rgba(0,0,0,.05); }
.klv-update-card::before { content: ''; position: absolute; left: -30px; top: 24px; width: 16px; height: 16px; border-radius: 50%; background: var(--klv-cta); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--klv-primary); }
.klv-update-card .klv-update-date { display: inline-block; font-size: 13px; font-weight: 700; color: var(--klv-primary); background: var(--klv-sub-bg); padding: 3px 12px; border-radius: 20px; margin-bottom: 8px; }
.klv-update-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 6px; color: var(--klv-text); }
.klv-update-card p { font-size: 14px; color: var(--klv-text2); margin: 0; line-height: 1.7; }

/* ============ News (最新资讯) ============ */
.klv-news-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px; }
.klv-news-card { background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.07); transition: all .3s; display: flex; flex-direction: column; border: 1px solid var(--klv-line); }
.klv-news-card:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(0,0,0,.12); }
.klv-news-card .klv-news-img { aspect-ratio: 16/9; overflow: hidden; background: var(--klv-update-grad); }
.klv-news-card .klv-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.klv-news-card:hover .klv-news-img img { transform: scale(1.06); }
.klv-news-card .klv-news-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
.klv-news-card .klv-tag { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--klv-primary); background: var(--klv-sub-bg); padding: 3px 12px; border-radius: 20px; margin-bottom: 10px; }
.klv-news-card .klv-news-body h3 { font-size: 17px; font-weight: 700; margin: 0 0 10px; line-height: 1.5; }
.klv-news-card .klv-news-body h3 a { color: var(--klv-text); }
.klv-news-card .klv-news-body h3 a:hover { color: var(--klv-primary); }
.klv-news-card .klv-news-body p { font-size: 14px; color: var(--klv-text2); margin: 0 0 14px; flex: 1; }
.klv-news-meta { display: flex; gap: 14px; font-size: 12px; color: var(--klv-text2); }
.klv-news-meta i { color: var(--klv-primary); margin-right: 3px; }
.klv-news-more { text-align: center; margin-top: 40px; }
.klv-news-more a { display: inline-block; padding: 12px 34px; border: 2px solid var(--klv-primary); color: var(--klv-primary); border-radius: 30px; font-weight: 700; }
.klv-news-more a:hover { background: var(--klv-primary); color: #fff; }

/* ============ CTA band ============ */
.klv-ctaband { background: var(--klv-update-grad); color: #fff; padding: 60px 0; text-align: center; }
.klv-ctaband h2 { margin: 0 0 10px; font-size: 30px; font-weight: 800; }
.klv-ctaband p { margin: 0 0 26px; color: rgba(255,255,255,.9); font-size: 17px; }
.klv-ctaband .klv-cta-btn { display: inline-block; background: #fff; color: var(--klv-dark2); padding: 15px 40px; border-radius: 34px; font-weight: 800; font-size: 17px; }
.klv-ctaband .klv-cta-btn:hover { transform: translateY(-2px); color: var(--klv-dark1); }

/* ============ 内页 Banner / 详情 ============ */
.klv-pagehead { background: var(--klv-update-grad); color: #fff; padding: 58px 0; text-align: center; }
.klv-pagehead h1 { margin: 0; font-size: 32px; font-weight: 800; }
.klv-pagehead p { margin: 10px 0 0; color: rgba(255,255,255,.88); }
.klv-crumb { font-size: 14px; color: var(--klv-text2); margin-bottom: 24px; }
.klv-crumb a { color: var(--klv-text2); }
.klv-crumb a:hover { color: var(--klv-primary); }
.klv-detail { max-width: 880px; margin: 0 auto; }
.klv-detail h1.klv-detail-title { font-size: 30px; font-weight: 800; color: var(--klv-text); margin: 0 0 16px; line-height: 1.4; }
.klv-detail .klv-detail-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--klv-text2); font-size: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--klv-line); margin-bottom: 26px; }
.klv-detail .klv-detail-meta i { color: var(--klv-primary); margin-right: 4px; }
.klv-detail-body { font-size: 17px; line-height: 1.95; color: #3a3f47; word-break: break-word; }
.klv-detail-body img { border-radius: 10px; margin: 16px auto; height: auto; }
.klv-back { display: inline-block; margin-top: 34px; padding: 11px 24px; background: var(--klv-primary); color: #fff; border-radius: 8px; }
.klv-back:hover { background: var(--klv-primary-dark); color: #fff; }

/* ============ Pagination / search / tags ============ */
.klv-page { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.klv-page a, .klv-page span { padding: 8px 14px; border: 1px solid var(--klv-line); border-radius: 8px; color: var(--klv-text2); font-size: 14px; }
.klv-page .active, .klv-page a:hover { background: var(--klv-primary); color: #fff; border-color: var(--klv-primary); }
.klv-searchbar { display: flex; gap: 10px; max-width: 640px; margin: 0 auto 40px; }
.klv-searchbar input { flex: 1; padding: 13px 18px; border: 1px solid var(--klv-line); border-radius: 10px; font-size: 16px; }
.klv-searchbar button { padding: 13px 30px; background: var(--klv-primary); color: #fff; border: 0; border-radius: 10px; font-weight: 700; cursor: pointer; }
.klv-searchbar button:hover { background: var(--klv-primary-dark); }
.klv-tagcloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 880px; margin: 0 auto; }
.klv-tagcloud a { padding: 8px 18px; background: var(--klv-sub-bg); color: var(--klv-primary); border-radius: 24px; font-size: 14px; border: 1px solid transparent; }
.klv-tagcloud a:hover { background: var(--klv-primary); color: #fff; }

/* ============ Footer (深色 4 列) ============ */
.klv-footer { background: var(--klv-dark1); color: rgba(255,255,255,.7); padding: 58px 0 24px; }
.klv-footer .klv-footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.4fr; gap: 34px; margin-bottom: 32px; }
.klv-footer h5 { color: #fff; font-size: 16px; font-weight: 700; margin: 0 0 18px; }
.klv-footer .klv-brand-text { font-size: 21px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.klv-footer .klv-brand-text i { color: var(--klv-cta); margin-right: 6px; }
.klv-footer p { font-size: 14px; line-height: 1.9; margin: 0; }
.klv-footer ul { list-style: none; padding: 0; margin: 0; }
.klv-footer ul li { margin-bottom: 11px; }
.klv-footer ul li a { color: rgba(255,255,255,.68); font-size: 14px; }
.klv-footer ul li a:hover { color: var(--klv-cta); }
.klv-footer .klv-contact li { display: flex; gap: 10px; align-items: flex-start; }
.klv-footer .klv-contact i { color: var(--klv-cta); margin-top: 4px; }
.klv-footer .klv-copy { text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.9; }

/* ============ 返回顶部 ============ */
.klv-totop { position: fixed; right: 22px; bottom: 26px; width: 46px; height: 46px; border-radius: 10px; background: var(--klv-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; z-index: 900; box-shadow: 0 6px 18px rgba(0,0,0,.2); }
.klv-totop:hover { background: var(--klv-primary-dark); color: #fff; }

/* ============ Responsive ============ */
@media (max-width: 992px) {
    .klv-nav { display: none; }
    .klv-hero { min-height: 460px; }
    .klv-hero h1 { font-size: 32px; }
    .klv-about .klv-row { flex-direction: column; }
    .klv-footer .klv-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .klv-section { padding: 48px 0; }
    .klv-head h2 { font-size: 24px; }
    .klv-hero h1 { font-size: 27px; }
    .klv-hero p { font-size: 15px; }
    .klv-footer .klv-footer-grid { grid-template-columns: 1fr; }
}