/* 踏浪蓝 主题 - 赛事运营与企业健康服务商企业模板 (usp) */
:root {
    --usp-primary: #2C74B8;
    --usp-primary-dark: #1B4E80;
    --usp-accent: #F4903D;
    --usp-accent-dark: #C26A22;
    --usp-hero-btn: #2C74B8;
    --usp-hero-btn-hover: #1B4E80;
    --usp-cta: #F4903D;
    --usp-bg: #ffffff;
    --usp-sub-bg: #E4EEF7;
    --usp-text: #12263A;
    --usp-text2: #4E6E8C;
    --usp-dark1: #081536;
    --usp-dark2: #215B93;
    --usp-topbar-bg: #1B4E80;
    --usp-update-grad: linear-gradient(135deg, #2C74B8, #1B4E80);
    --usp-line: #E4E8EC;
}

* { box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--usp-text); background: var(--usp-bg); margin: 0; padding: 0; line-height: 1.7; }
a { color: var(--usp-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--usp-primary-dark); }
img { max-width: 100%; display: block; }
.usp-wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ============ 顶部热线条 ============ */
.usp-topbar { background: var(--usp-topbar-bg); color: rgba(255,255,255,.85); font-size: 13px; }
.usp-topbar .usp-wrap { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.usp-topbar .usp-welcome i { color: var(--usp-cta); margin-right: 6px; }
.usp-topbar .usp-hotline i { color: var(--usp-cta); margin-right: 6px; }
.usp-topbar a { color: rgba(255,255,255,.85); margin-left: 18px; }
.usp-topbar a:hover { color: var(--usp-cta); }

/* ============ Header (固定 + 下拉导航) ============ */
.usp-header { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.08); position: fixed; top: 0; left: 0; right: 0; z-index: 1000; }
.usp-header .usp-wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.usp-logo { display: flex; align-items: center; gap: 10px; }
.usp-logo .usp-logo-badge { width: 42px; height: 42px; border-radius: 8px; background: var(--usp-update-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; }
.usp-logo .usp-logo-text { font-size: 22px; font-weight: 800; color: var(--usp-text); letter-spacing: .5px; }
.usp-logo .usp-logo-text small { display: block; font-size: 11px; font-weight: 400; color: var(--usp-text2); letter-spacing: 2px; }
.usp-nav { display: flex; align-items: center; gap: 0; }
.usp-nav > a, .usp-nav .usp-drop > button { color: var(--usp-text); font-weight: 600; font-size: 15px; padding: 10px 11px; border: 0; background: none; cursor: pointer; border-radius: 6px; transition: all .2s; font-family: inherit; }
.usp-nav > a:hover, .usp-nav .usp-drop.show > button, .usp-nav > a.active { color: var(--usp-primary); }
.usp-nav .usp-drop { position: relative; }
.usp-nav .usp-drop-menu { position: absolute; top: 100%; left: 0; min-width: 178px; background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.14); border-radius: 10px; padding: 8px; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .2s; z-index: 50; }
.usp-nav .usp-drop:hover .usp-drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.usp-nav .usp-drop-menu a { display: block; padding: 9px 14px; color: var(--usp-text); font-size: 14px; border-radius: 6px; }
.usp-nav .usp-drop-menu a:hover { background: var(--usp-sub-bg); color: var(--usp-primary); }
.usp-nav .usp-cta { background: var(--usp-primary); color: #fff !important; font-weight: 700; border-radius: 30px; padding: 10px 18px; margin-left: 6px; }
.usp-nav .usp-cta:hover { background: var(--usp-primary-dark); }

/* ============ Hero (左文右图+浮动徽章, 呼应参考版式 q2-hero) ============ */
.usp-hero { margin-top: 112px; background: linear-gradient(180deg, var(--usp-sub-bg), var(--usp-bg)); padding: 56px 0 66px; }
.usp-hero .usp-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 44px; }
.usp-hero-left { flex: 1 1 48%; }
.usp-hero-left .usp-chip { display: inline-block; background: #fff; border: 1px solid var(--usp-line); color: var(--usp-primary); font-size: 13px; font-weight: 700; padding: 7px 16px; border-radius: 30px; margin-bottom: 18px; box-shadow: 0 4px 14px rgba(0,0,0,.05); }
.usp-hero-left h1 { font-size: 42px; font-weight: 800; line-height: 1.22; margin: 0 0 16px; color: var(--usp-text); }
.usp-hero-left h1 em { font-style: normal; color: var(--usp-primary); }
.usp-hero-left .usp-lead { font-size: 17px; color: var(--usp-text2); margin: 0 0 26px; line-height: 1.9; max-width: 560px; }
.usp-hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.usp-btn-ghost { display: inline-block; padding: 15px 30px; background: #fff; color: var(--usp-primary) !important; font-weight: 700; border-radius: 34px; font-size: 16px; border: 2px solid var(--usp-primary); transition: all .2s; }
.usp-btn-ghost:hover { background: var(--usp-primary); color: #fff !important; }
.usp-trust { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.usp-trust .t b { display: block; font-size: 22px; font-weight: 800; color: var(--usp-text); line-height: 1.3; }
.usp-trust .t span { font-size: 13px; color: var(--usp-text2); }
.usp-trust .sep { width: 1px; height: 34px; background: var(--usp-line); }
.usp-hero-right { flex: 1 1 42%; position: relative; }
.usp-hero-pic { border-radius: 18px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,.16); aspect-ratio: 5/4; }
.usp-hero-pic img { width: 100%; height: 100%; object-fit: cover; }
.usp-float-badge { position: absolute; top: 18px; right: 18px; background: rgba(255,255,255,.94); color: var(--usp-text); font-size: 13px; font-weight: 700; padding: 8px 14px; border-radius: 24px; box-shadow: 0 8px 20px rgba(0,0,0,.14); }
.usp-float-card { position: absolute; left: -14px; bottom: 26px; display: flex; align-items: center; gap: 12px; background: #fff; border-radius: 14px; padding: 14px 20px; box-shadow: 0 14px 34px rgba(0,0,0,.16); }
.usp-float-card .usp-fc-ic { width: 42px; height: 42px; border-radius: 11px; background: var(--usp-update-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.usp-float-card b { display: block; font-size: 19px; font-weight: 800; color: var(--usp-text); line-height: 1.3; }
.usp-float-card span { font-size: 12px; color: var(--usp-text2); }

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

/* ============ Bento 混排卡 (呼应参考版式 q2-bento) ============ */
.usp-bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.usp-bento-item { background: #fff; border: 1px solid var(--usp-line); border-radius: 16px; padding: 26px 24px; transition: all .25s; position: relative; overflow: hidden; }
.usp-bento-item:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(0,0,0,.10); border-color: var(--usp-primary); }
.usp-bento-item .usp-bic { width: 52px; height: 52px; border-radius: 13px; background: var(--usp-sub-bg); color: var(--usp-primary); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px; }
.usp-bento-item h4 { font-size: 18px; font-weight: 800; margin: 0 0 8px; color: var(--usp-text); }
.usp-bento-item p { font-size: 14px; color: var(--usp-text2); margin: 0; line-height: 1.75; }
.usp-bento-item.big { grid-column: span 2; grid-row: span 2; padding: 0; display: flex; flex-direction: column; }
.usp-bento-item.big .usp-bento-img { flex: 1; min-height: 240px; }
.usp-bento-item.big .usp-bento-img img { width: 100%; height: 100%; object-fit: cover; }
.usp-bento-item.big .usp-bento-txt { padding: 22px 26px; }
.usp-bento-item.dark { background: var(--usp-dark2); border-color: transparent; }
.usp-bento-item.dark h4 { color: #fff; }
.usp-bento-item.dark p { color: rgba(255,255,255,.72); }
.usp-bento-item.dark .usp-bic { background: rgba(255,255,255,.14); color: #fff; }

/* ============ 数据带 (呼应参考版式 q2-stats) ============ */
.usp-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; background: var(--usp-update-grad); border-radius: 18px; padding: 34px 30px; box-shadow: 0 16px 38px rgba(0,0,0,.12); }
.usp-stat { text-align: center; color: #fff; }
.usp-stat b { display: block; font-size: 34px; font-weight: 800; line-height: 1.25; }
.usp-stat span { font-size: 14px; color: rgba(255,255,255,.82); }

/* ============ 图文交错 (呼应参考版式 q2-zig) ============ */
.usp-zig-row { display: flex; flex-wrap: wrap; align-items: center; gap: 44px; margin-bottom: 56px; }
.usp-zig-row:last-child { margin-bottom: 0; }
.usp-zig-row.rev { flex-direction: row-reverse; }
.usp-zig-img { flex: 1 1 46%; position: relative; border-radius: 18px; overflow: hidden; box-shadow: 0 16px 40px rgba(0,0,0,.14); aspect-ratio: 4/3; }
.usp-zig-img img { width: 100%; height: 100%; object-fit: cover; }
.usp-zig-num { position: absolute; top: 16px; left: 16px; z-index: 2; width: 52px; height: 52px; border-radius: 14px; background: var(--usp-cta); color: var(--usp-dark1); font-size: 20px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,.22); }
.usp-zig-txt { flex: 1 1 44%; }
.usp-zig-txt .usp-ztag { letter-spacing: 2px; font-size: 13px; font-weight: 800; color: var(--usp-accent-dark); text-transform: uppercase; }
.usp-zig-txt h3 { font-size: 26px; font-weight: 800; margin: 10px 0 14px; color: var(--usp-text); }
.usp-zig-txt p { color: var(--usp-text2); font-size: 15px; line-height: 1.9; margin: 0 0 14px; }
.usp-zig-link { font-size: 15px; font-weight: 700; color: var(--usp-primary); }
.usp-zig-link:hover { color: var(--usp-primary-dark); }

/* ============ 核心优势 (4 卡) ============ */
.usp-feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.usp-feat-card { background: #fff; border: 1px solid var(--usp-line); border-radius: 14px; padding: 32px 26px; text-align: center; transition: all .25s; }
.usp-feat-card:hover { border-color: var(--usp-primary); box-shadow: 0 14px 30px rgba(0,0,0,.10); transform: translateY(-5px); }
.usp-feat-card .usp-feat-icon { width: 68px; height: 68px; border-radius: 50%; margin: 0 auto 18px; background: var(--usp-update-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 27px; }
.usp-feat-card h3 { font-size: 19px; font-weight: 800; margin: 0 0 10px; color: var(--usp-text); }
.usp-feat-card p { font-size: 14px; color: var(--usp-text2); margin: 0; line-height: 1.75; }

/* ============ 服务类别图卡 (呼应参考版式 q2 白底图卡网格) ============ */
.usp-svcband { background: var(--usp-bg); padding: 78px 0; }
.usp-svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 26px; }
.usp-svc-card { background: #fff; border: 1px solid var(--usp-line); border-radius: 14px; overflow: hidden; transition: all .3s; display: flex; flex-direction: column; }
.usp-svc-card:hover { transform: translateY(-6px); border-color: var(--usp-primary); box-shadow: 0 18px 40px rgba(0,0,0,.12); }
.usp-svc-card .usp-svc-img { aspect-ratio: 16/10; overflow: hidden; }
.usp-svc-card .usp-svc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.usp-svc-card:hover .usp-svc-img img { transform: scale(1.08); }
.usp-svc-card .usp-svc-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
.usp-svc-card .usp-svc-tag { display: inline-block; align-self: flex-start; font-size: 12px; letter-spacing: 1px; color: var(--usp-accent-dark); font-weight: 700; margin-bottom: 8px; }
.usp-svc-card h3 { font-size: 19px; font-weight: 800; margin: 0 0 8px; }
.usp-svc-card h3 a { color: var(--usp-text); }
.usp-svc-card h3 a:hover { color: var(--usp-primary); }
.usp-svc-card p { font-size: 14px; color: var(--usp-text2); margin: 0 0 14px; flex: 1; line-height: 1.7; }
.usp-svc-more { font-size: 14px; font-weight: 700; color: var(--usp-primary); }
.usp-svc-more i { margin-left: 4px; transition: transform .2s; }
.usp-svc-card:hover .usp-svc-more i { transform: translateX(4px); }

/* ============ 主按钮 ============ */
.usp-btn-hero { display: inline-block; padding: 15px 34px; background: var(--usp-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,.16); }
.usp-btn-hero:hover { background: var(--usp-hero-btn-hover); color: #fff; transform: translateY(-2px); }

/* ============ 特性列表 ============ */
.usp-feat-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.usp-feat-list li { display: flex; align-items: center; gap: 10px; color: var(--usp-text); font-size: 14px; font-weight: 600; }
.usp-feat-list li i { color: var(--usp-primary); }

/* ============ 四步流程 (呼应参考版式 q2-steps) ============ */
.usp-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: uspstep; }
.usp-step { background: #fff; border: 1px solid var(--usp-line); border-radius: 16px; padding: 28px 24px; position: relative; transition: all .25s; }
.usp-step:hover { border-color: var(--usp-primary); box-shadow: 0 14px 30px rgba(0,0,0,.09); transform: translateY(-4px); }
.usp-step .usp-sn { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: var(--usp-update-grad); color: #fff; font-size: 18px; font-weight: 800; margin-bottom: 16px; }
.usp-step h4 { font-size: 18px; font-weight: 800; margin: 0 0 8px; color: var(--usp-text); }
.usp-step p { font-size: 14px; color: var(--usp-text2); margin: 0; line-height: 1.75; }
.usp-step .usp-arrow { position: absolute; right: -15px; top: 50%; transform: translateY(-50%); color: var(--usp-accent); font-size: 20px; z-index: 2; }

/* ============ 客户评价 (呼应参考版式 q2-quotes) ============ */
.usp-quotes { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.usp-quote { background: #fff; border: 1px solid var(--usp-line); border-radius: 16px; padding: 26px 26px 22px; position: relative; transition: all .25s; }
.usp-quote:hover { border-color: var(--usp-primary); box-shadow: 0 14px 30px rgba(0,0,0,.09); transform: translateY(-4px); }
.usp-quote .usp-qmark { font-size: 42px; font-weight: 800; color: var(--usp-sub-bg); line-height: 1; position: absolute; top: 14px; right: 22px; font-family: Georgia, serif; }
.usp-quote .usp-qstars { color: var(--usp-accent); letter-spacing: 2px; font-size: 14px; margin-bottom: 12px; }
.usp-quote p { font-size: 14px; color: var(--usp-text2); line-height: 1.85; margin: 0 0 16px; }
.usp-quote .usp-qwho { display: flex; align-items: center; gap: 12px; }
.usp-quote .usp-qav { width: 44px; height: 44px; border-radius: 50%; background: var(--usp-update-grad); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 17px; }
.usp-quote .usp-qwho b { display: block; font-size: 15px; font-weight: 800; color: var(--usp-text); }
.usp-quote .usp-qwho span { font-size: 12px; color: var(--usp-text2); }

/* ============ 技术优势 (8 项) ============ */
.usp-adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.usp-adv-card { background: #fff; border: 1px solid var(--usp-line); border-radius: 12px; padding: 28px 24px; transition: all .25s; }
.usp-adv-card:hover { border-color: var(--usp-primary); box-shadow: 0 12px 28px rgba(0,0,0,.09); transform: translateY(-4px); }
.usp-adv-card .usp-adv-icon { width: 58px; height: 58px; border-radius: 12px; background: var(--usp-sub-bg); color: var(--usp-primary); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 16px; transition: all .25s; }
.usp-adv-card:hover .usp-adv-icon { background: var(--usp-primary); color: #fff; }
.usp-adv-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; color: var(--usp-text); }
.usp-adv-card p { font-size: 14px; color: var(--usp-text2); margin: 0; line-height: 1.7; }

/* ============ 头条特卡 + 资讯列表 (呼应参考版式 q2-news-feat/list) ============ */
.usp-news-feat { display: flex; flex-wrap: wrap; gap: 30px; background: #fff; border: 1px solid var(--usp-line); border-radius: 18px; overflow: hidden; margin-bottom: 30px; transition: all .3s; }
.usp-news-feat:hover { box-shadow: 0 18px 40px rgba(0,0,0,.12); }
.usp-news-feat .usp-nf-img { flex: 1 1 46%; min-height: 280px; }
.usp-news-feat .usp-nf-img img { width: 100%; height: 100%; object-fit: cover; }
.usp-news-feat .usp-nf-body { flex: 1 1 44%; padding: 30px 34px 30px 0; display: flex; flex-direction: column; justify-content: center; }
.usp-news-feat .usp-nf-tag { display: inline-block; align-self: flex-start; background: var(--usp-cta); color: var(--usp-dark1); font-size: 12px; font-weight: 800; padding: 5px 14px; border-radius: 20px; margin-bottom: 14px; }
.usp-news-feat h3 { font-size: 24px; font-weight: 800; margin: 0 0 12px; line-height: 1.5; }
.usp-news-feat h3 a { color: var(--usp-text); }
.usp-news-feat h3 a:hover { color: var(--usp-primary); }
.usp-news-feat p { font-size: 15px; color: var(--usp-text2); margin: 0 0 14px; line-height: 1.85; }
.usp-news-feat time { font-size: 13px; color: var(--usp-text2); }
.usp-news-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px; }
.usp-news-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.07); transition: all .3s; display: flex; flex-direction: column; border: 1px solid var(--usp-line); }
.usp-news-card:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(0,0,0,.12); }
.usp-news-card .usp-news-img { aspect-ratio: 16/9; overflow: hidden; background: var(--usp-update-grad); }
.usp-news-card .usp-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.usp-news-card:hover .usp-news-img img { transform: scale(1.06); }
.usp-news-card .usp-news-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
.usp-news-card .usp-news-body h3 { font-size: 17px; font-weight: 700; margin: 0 0 10px; line-height: 1.5; }
.usp-news-card .usp-news-body h3 a { color: var(--usp-text); }
.usp-news-card .usp-news-body h3 a:hover { color: var(--usp-primary); }
.usp-news-card .usp-news-body p { font-size: 14px; color: var(--usp-text2); margin: 0 0 14px; flex: 1; }
.usp-news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--usp-text2); }
.usp-news-meta i { color: var(--usp-primary); margin-right: 3px; }
.usp-news-more { font-size: 13px; font-weight: 700; color: var(--usp-primary); letter-spacing: 1px; }

/* ============ 业务洽谈 CTA band ============ */
.usp-ctaband { background: var(--usp-dark2); color: #fff; padding: 52px 0; }
.usp-ctaband .usp-wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px; }
.usp-ctaband h2 { margin: 0; font-size: 27px; font-weight: 800; }
.usp-ctaband h2 span { color: var(--usp-cta); }
.usp-ctaband p { margin: 6px 0 0; color: rgba(255,255,255,.75); font-size: 15px; }
.usp-ctaband .usp-cta-btn { background: var(--usp-cta); color: var(--usp-dark1); padding: 15px 34px; border-radius: 34px; font-weight: 800; font-size: 17px; }
.usp-ctaband .usp-cta-btn:hover { background: #fff; color: var(--usp-dark1); }

/* ============ 内页 Banner / 详情 ============ */
.usp-pagehead { background: var(--usp-update-grad); color: #fff; padding: 60px 0; text-align: center; margin-top: 112px; }
.usp-pagehead h1 { margin: 0; font-size: 32px; font-weight: 800; }
.usp-pagehead p { margin: 10px 0 0; color: rgba(255,255,255,.85); }
.usp-crumb { font-size: 14px; color: var(--usp-text2); margin-bottom: 22px; }
.usp-crumb a { color: var(--usp-text2); }
.usp-crumb a:hover { color: var(--usp-primary); }
.usp-detail { max-width: 880px; margin: 0 auto; }
.usp-detail h1.usp-detail-title { font-size: 30px; font-weight: 800; color: var(--usp-text); margin: 0 0 16px; line-height: 1.4; }
.usp-detail .usp-detail-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--usp-text2); font-size: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--usp-line); margin-bottom: 26px; }
.usp-detail .usp-detail-meta i { color: var(--usp-primary); margin-right: 4px; }
.usp-detail-body { font-size: 17px; line-height: 1.95; color: #333a3a; word-break: break-word; }
.usp-detail-body img { border-radius: 10px; margin: 16px auto; height: auto; }
.usp-back { display: inline-block; margin-top: 34px; padding: 11px 24px; background: var(--usp-primary); color: #fff; border-radius: 8px; }
.usp-back:hover { background: var(--usp-primary-dark); color: #fff; }

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

/* ============ Footer (深色 富角页) ============ */
.usp-footer { background: var(--usp-dark1); color: rgba(255,255,255,.7); padding: 60px 0 24px; }
.usp-footer .usp-footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.4fr; gap: 34px; margin-bottom: 34px; }
.usp-footer h5 { color: #fff; font-size: 16px; font-weight: 700; margin: 0 0 18px; }
.usp-footer .usp-brand-text { font-size: 21px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.usp-footer .usp-brand-text i { color: var(--usp-cta); margin-right: 6px; }
.usp-footer p { font-size: 14px; line-height: 1.9; margin: 0; }
.usp-footer ul { list-style: none; padding: 0; margin: 0; }
.usp-footer ul li { margin-bottom: 11px; }
.usp-footer ul li a { color: rgba(255,255,255,.68); font-size: 14px; }
.usp-footer ul li a:hover { color: var(--usp-cta); }
.usp-footer .usp-contact li { display: flex; gap: 10px; align-items: flex-start; }
.usp-footer .usp-contact i { color: var(--usp-cta); margin-top: 4px; }
.usp-footer .usp-qr { display: flex; gap: 16px; margin-top: 16px; }
.usp-footer .usp-qr div { text-align: center; font-size: 12px; color: rgba(255,255,255,.6); }
.usp-footer .usp-qr i { font-size: 46px; color: rgba(255,255,255,.35); display: block; margin-bottom: 6px; }
.usp-subs { border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0; }
.usp-subs .usp-subs-title { font-size: 13px; color: rgba(255,255,255,.5); margin-bottom: 12px; }
.usp-subs a { display: inline-block; color: rgba(255,255,255,.62); font-size: 13px; margin: 0 16px 6px 0; }
.usp-subs a:hover { color: var(--usp-cta); }
.usp-footer .usp-copy { text-align: center; padding-top: 22px; 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 ============ */
.usp-totop { position: fixed; right: 22px; bottom: 26px; width: 46px; height: 46px; border-radius: 10px; background: var(--usp-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); }
.usp-totop:hover { background: var(--usp-primary-dark); color: #fff; }

/* ============ Responsive ============ */
@media (max-width: 992px) {
    .usp-nav { display: none; }
    .usp-hero-left h1 { font-size: 32px; }
    .usp-hero .usp-lead { font-size: 15px; }
    .usp-bento { grid-template-columns: 1fr 1fr; }
    .usp-bento-item.big { grid-column: span 2; grid-row: auto; }
    .usp-stats { grid-template-columns: 1fr 1fr; gap: 24px; }
    .usp-steps { grid-template-columns: 1fr 1fr; }
    .usp-step .usp-arrow { display: none; }
    .usp-zig-row, .usp-zig-row.rev { flex-direction: column; }
    .usp-news-feat .usp-nf-body { padding: 0 30px 26px; }
    .usp-footer .usp-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .usp-topbar .usp-welcome { display: none; }
    .usp-section { padding: 48px 0; }
    .usp-head h2 { font-size: 24px; }
    .usp-hero-left h1 { font-size: 26px; }
    .usp-hero-btns .usp-btn-hero, .usp-hero-btns .usp-btn-ghost { padding: 12px 24px; font-size: 14px; }
    .usp-trust { gap: 12px; }
    .usp-trust .sep { display: none; }
    .usp-float-card { left: 8px; }
    .usp-bento { grid-template-columns: 1fr; }
    .usp-bento-item.big { grid-column: auto; }
    .usp-stats { grid-template-columns: 1fr 1fr; padding: 24px 18px; }
    .usp-stat b { font-size: 26px; }
    .usp-steps { grid-template-columns: 1fr; }
    .usp-feat-list { grid-template-columns: 1fr; }
    .usp-footer .usp-footer-grid { grid-template-columns: 1fr; }
    .usp-ctaband .usp-wrap { flex-direction: column; text-align: center; }
}