/* roulang page: index */
:root{
  --c-primary:#2F6BFF;
  --c-primary-dark:#1E4FD8;
  --c-primary-light:#EAF1FF;
  --c-accent:#FF6B4A;
  --c-accent-light:#FFF0EC;
  --c-success:#17B897;
  --c-success-light:#E6F8F3;
  --c-warn:#F5A623;
  --c-warn-light:#FFF7E8;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --text:#0E1B2C;
  --text-2:#5B6B80;
  --text-3:#8A98AB;
  --line:#E4EAF2;
  --line-soft:#EEF2F7;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,38,73,.06);
  --sh-md:0 12px 32px rgba(16,38,73,.10);
  --sh-lg:0 20px 50px rgba(16,38,73,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
svg{display:block}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid rgba(47,107,255,.30);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 状态条 + 导航 ============ */
.statusbar{height:34px;background:#FBFCFE;border-bottom:1px solid var(--line-soft);font-size:12px;color:var(--text-3)}
.statusbar-inner{height:34px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.status-pills{display:flex;align-items:center;gap:8px}
.pill{display:inline-block;padding:1px 10px;border-radius:var(--r-pill);background:var(--c-primary-light);color:var(--c-primary-dark);font-size:11px;font-weight:600;line-height:1.7}

.site-header{position:relative;z-index:60}
.navbar{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.nav-inner{height:72px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;border-radius:10px;background:var(--c-primary);color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;letter-spacing:.02em}
.brand-name{font-size:20px;font-weight:700;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 11px;border-radius:var(--r-pill);font-size:14px;color:var(--text-2);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-primary-light);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search{display:flex;align-items:center;height:40px;padding:0 4px 0 12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);transition:box-shadow .18s ease,border-color .18s ease}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,107,255,.18)}
.search input{width:160px;height:100%;border:0;background:transparent;font-size:14px;color:var(--text);outline:none}
.search input::placeholder{color:var(--text-3)}
.search button{width:36px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-2);transition:background .18s ease,color .18s ease}
.search button:hover{background:var(--c-primary-light);color:var(--c-primary)}
.btn-cat{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:var(--r-sm);border:1px solid var(--c-primary);color:var(--c-primary);font-size:14px;font-weight:600;transition:background .18s ease}
.btn-cat:hover{background:var(--c-primary-light)}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--text-2)}
.menu-btn:hover{background:var(--c-primary-light);color:var(--c-primary)}

.drawer-mask{position:fixed;inset:0;background:rgba(14,27,44,.36);z-index:80}
.drawer-mask[hidden]{display:none}
.drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:var(--surface);z-index:90;padding:24px 20px;box-shadow:var(--sh-lg);transform:translateX(100%);transition:transform .2s ease;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer h2{font-size:14px;font-weight:600;color:var(--text-3);letter-spacing:.06em;margin-bottom:12px}
.drawer .search{width:100%;margin-bottom:20px}
.drawer .search input{width:100%}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-list a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:var(--r-sm);font-size:15px;color:var(--text-2)}
.drawer-list a:hover{background:var(--c-primary-light);color:var(--c-primary)}
.drawer .btn-cat{width:100%}

/* ============ 通用区块 ============ */
.section{padding:88px 0}
.sec-white{background:var(--surface)}
.sec-head{margin-bottom:32px;max-width:720px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);line-height:1.4;margin-bottom:10px}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:700}
.sec-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:720px}

.badge{display:inline-block;font-size:11px;font-weight:600;line-height:1.6;padding:2px 8px;border-radius:6px;white-space:nowrap}
.badge-hot{background:var(--c-accent-light);color:var(--c-accent)}
.badge-hd{background:var(--c-primary-light);color:var(--c-primary)}
.badge-up{background:var(--c-success-light);color:var(--c-success)}
.badge-new{background:var(--c-warn-light);color:var(--c-warn)}
.tag{display:inline-block;font-size:11px;font-weight:600;padding:1px 8px;border-radius:6px;background:var(--c-primary-light);color:var(--c-primary-dark);white-space:nowrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost{background:var(--surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;background:var(--bg)}
.hero::after{content:"";position:absolute;right:-160px;top:-90px;width:520px;height:520px;border-radius:50%;background:var(--c-primary-light);opacity:.85;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{font-size:48px;line-height:1.15;font-weight:700;margin:14px 0 14px}
.hl{color:var(--c-accent)}
.hero-sub{font-size:18px;font-weight:600;color:var(--text-2)}
.hero-text{margin-top:14px;max-width:560px;font-size:16px;color:var(--text-2)}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}

.hero-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh-lg)}
.panel-main{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:#DDE6F2}
.panel-main img{width:100%;height:100%;object-fit:cover}
.panel-main::after{content:"";position:absolute;left:0;right:0;bottom:0;height:48px;background:linear-gradient(to top,rgba(0,0,0,.70),rgba(0,0,0,0))}
.panel-main .badge{position:absolute;left:10px;top:10px;z-index:2}
.panel-caption{position:absolute;left:12px;right:12px;bottom:10px;z-index:2;color:#fff;font-size:13px;font-weight:600;display:flex;justify-content:space-between;gap:10px}
.panel-caption span:last-child{font-weight:400;opacity:.86}
.panel-side{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.panel-thumb{aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:#DDE6F2}
.panel-thumb img{width:100%;height:100%;object-fit:cover}
.panel-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft)}
.panel-bar strong{display:block;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3}
.panel-bar span{font-size:12px;color:var(--text-3)}

/* ============ 痛点 ============ */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pain{display:flex;gap:16px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .18s ease,box-shadow .18s ease}
.pain:hover{border-color:var(--c-primary-light);box-shadow:var(--sh-md)}
.pain svg{flex:0 0 32px;color:var(--c-primary)}
.pain h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:4px}
.pain p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ============ 解决方案 ============ */
.sol-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.sol-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px;box-shadow:var(--sh-sm)}
.sol-panel .thumb{position:relative;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:#DDE6F2}
.sol-panel .thumb img{width:100%;height:100%;object-fit:cover}
.sol-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{display:inline-block;font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-primary-light);color:var(--c-primary-dark)}
.chip-orange{background:var(--c-accent-light);color:var(--c-accent)}
.chip-green{background:var(--c-success-light);color:var(--c-success)}
.sol-rows{display:flex;flex-direction:column;gap:8px}
.sol-row{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line-soft)}
.sol-row:last-child{border-bottom:0}
.sol-row svg{flex:0 0 28px;color:var(--c-primary);margin-top:3px}
.sol-row h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:4px}
.sol-row p{font-size:14px;color:var(--text-2);max-width:560px}

/* ============ 分类频道 ============ */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cat{display:flex;gap:16px;align-items:flex-start;min-height:104px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .18s ease,box-shadow .18s ease}
.cat:hover{border-color:var(--c-primary);box-shadow:var(--sh-md)}
.cat svg{flex:0 0 48px;color:var(--c-primary)}
.cat h3{font-size:18px;font-weight:600;line-height:1.5;display:flex;align-items:center;gap:10px}
.cat p{font-size:14px;color:var(--text-2);line-height:1.7;margin-top:2px}
.cat-count{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;margin-top:6px;display:block}

/* ============ 方法步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.step{position:relative;padding-right:20px}
.step::after{content:"";position:absolute;top:12px;left:34px;right:-14px;border-top:1px dashed #D7E0EC}
.step:last-child::after{display:none}
.step-num{position:relative;z-index:1;width:24px;height:24px;border-radius:50%;background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;font-weight:600;margin:14px 0 6px}
.step p{font-size:14px;color:var(--text-2);max-width:280px}

/* ============ 成果数据 ============ */
.results{background:var(--c-primary-light);border-radius:var(--r-lg);padding:48px}
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.res-num{font-size:38px;font-weight:700;line-height:1.2;color:var(--c-primary-dark);font-variant-numeric:tabular-nums}
.res-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-2)}
.res-label{font-size:13px;color:var(--text-2);margin-top:4px}
.res-bar{margin-top:32px;height:6px;border-radius:3px;background:rgba(47,107,255,.18);overflow:hidden}
.res-bar i{display:block;height:100%;width:68%;border-radius:3px;background:var(--c-primary)}

/* ============ 热门视频卡片 ============ */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.vcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.vcard:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--c-primary-light)}
.vcard-link{display:block}
.cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE6F2}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease}
.vcard:hover .cover img{transform:scale(1.03)}
.cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:48px;background:linear-gradient(to top,rgba(0,0,0,.70),rgba(0,0,0,0))}
.cover .badge{position:absolute;left:8px;top:8px;z-index:2}
.dur{position:absolute;right:8px;bottom:8px;z-index:2;font-size:11px;color:#fff;background:rgba(14,27,44,.72);padding:2px 6px;border-radius:6px;font-variant-numeric:tabular-nums}
.vcard-body{padding:12px 14px 14px}
.vcard-body h3{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px}
.vcard-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ============ 用户证言 ============ */
.testi-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.testi-col{display:flex;flex-direction:column;gap:20px}
.testi{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px 22px 26px;box-shadow:var(--sh-sm)}
.testi::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--c-accent)}
.testi p{font-size:15px;color:var(--text)}
.testi-foot{display:flex;align-items:center;gap:12px;margin-top:14px}
.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex:0 0 40px}
.av-1{background:var(--c-primary)}
.av-2{background:var(--c-success)}
.av-3{background:var(--c-warn)}
.testi-name{font-size:14px;font-weight:600}
.testi-tag{font-size:12px;color:var(--text-3)}
.testi-stat{background:var(--c-primary-light);border-radius:var(--r-md);padding:22px 24px}
.testi-stat strong{display:block;font-size:32px;font-weight:700;color:var(--c-primary-dark);line-height:1.2;font-variant-numeric:tabular-nums}
.testi-stat span{font-size:13px;color:var(--text-2)}

/* ============ 适用人群 ============ */
.aud-grid{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.aud-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.aud{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;transition:border-color .18s ease,box-shadow .18s ease}
.aud:hover{border-color:var(--c-primary-light);box-shadow:var(--sh-md)}
.aud h3{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;margin-bottom:4px}
.aud h3 svg{flex:0 0 18px;color:var(--c-success)}
.aud p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ============ 最新上传 ============ */
.latest-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.lcard{display:grid;grid-template-columns:160px 1fr;gap:16px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.lcard:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--c-primary-light)}
.lcard .thumb{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:#DDE6F2}
.lcard .thumb img{width:100%;height:100%;object-fit:cover}
.lcard h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px}
.lcard-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.news-item{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line-soft)}
.news-item img{width:96px;height:72px;object-fit:cover;border-radius:8px;transition:filter .18s ease}
.news-item:hover img{filter:brightness(1.08)}
.news-item h3{font-size:15px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
.news-item:hover h3{color:var(--c-primary)}
.news-date{display:block;font-size:12px;color:var(--text-3);margin-top:4px;font-variant-numeric:tabular-nums}

/* ============ 播放排行 ============ */
.rank-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.rank{display:grid;grid-template-columns:28px 1fr auto;gap:14px;align-items:center;padding:14px 12px;border-radius:var(--r-sm);transition:background .18s ease}
.rank:hover{background:var(--bg)}
.rank-no{width:28px;height:28px;border-radius:8px;background:var(--c-primary-light);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.rank-no.is-top{background:var(--c-accent);color:#fff}
.rank-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rank-name{font-size:15px;font-weight:600;transition:color .18s ease}
.rank-name:hover{color:var(--c-primary)}
.rank-bar{margin-top:8px;height:6px;border-radius:3px;background:var(--line-soft);overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:3px;background:var(--c-accent);opacity:.85}
.rank-num{text-align:right;line-height:1.3}
.rank-num strong{display:block;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.rank-num span{font-size:11px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ============ 站内指标 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-sm)}
.metric svg{color:var(--c-primary);margin-bottom:12px}
.metric strong{display:block;font-size:32px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq{max-width:900px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:0 20px;margin-bottom:12px;transition:border-color .18s ease}
.faq details[open]{border-color:var(--c-primary-light)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:18px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--c-primary);transition:transform .18s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{font-size:15px;line-height:1.75;color:var(--text-2);padding-bottom:20px;max-width:720px}

/* ============ CTA ============ */
.cta{display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--c-primary-light);border-radius:var(--r-lg);padding:48px}
.cta-text h2{font-size:28px;line-height:1.3;font-weight:700}
.cta-text p{font-size:15px;color:var(--text-2);margin-top:8px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.foot-desc{font-size:14px;color:var(--text-2);max-width:300px}
.foot-col h3{font-size:14px;font-weight:600;margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:2px}
.foot-col a{display:inline-flex;align-items:center;min-height:36px;font-size:14px;color:var(--text-2);transition:color .18s ease}
.foot-col a:hover{color:var(--c-primary)}
.foot-info li{font-size:14px;color:var(--text-2);min-height:36px;display:flex;align-items:center}
.foot-search{display:flex;align-items:center;height:40px;margin-top:8px;padding:0 4px 0 12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm)}
.foot-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,107,255,.18)}
.foot-search input{width:100%;height:100%;border:0;background:transparent;font-size:14px;outline:none;color:var(--text)}
.foot-search button{width:36px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-2)}
.foot-search button:hover{background:var(--c-primary-light);color:var(--c-primary)}
.foot-bottom{margin-top:48px;border-top:1px solid var(--line-soft);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.foot-bottom a:hover{color:var(--c-primary)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-actions .search{display:none}
  .nav-actions .btn-cat{display:none}
  .menu-btn{display:inline-flex}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy h1{font-size:40px}
  .hero::after{width:360px;height:360px;right:-120px;top:-60px}
  .hot-grid{grid-template-columns:repeat(3,1fr)}
  .pain-grid{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr;gap:28px}
  .aud-grid{grid-template-columns:1fr;gap:28px}
  .cat-grid{grid-template-columns:1fr}
  .latest-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .rank-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
}
@media (max-width:768px){
  .statusbar{display:none}
  .nav-inner{height:64px}
  .hero{padding:40px 0 56px}
  .hero-copy h1{font-size:32px}
  .hero-sub{font-size:16px}
  .section{padding:48px 0}
  .sec-head h2{font-size:24px}
  .hot-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .res-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .results{padding:28px}
  .res-num{font-size:30px}
  .steps{grid-template-columns:1fr;gap:24px}
  .step{padding-right:0}
  .step::after{display:none}
  .cta{flex-direction:column;align-items:flex-start;padding:28px}
  .cta-text h2{font-size:22px}
  .aud-cards{grid-template-columns:1fr}
  .lcard{grid-template-columns:120px 1fr}
  .foot-bottom{margin-top:32px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hot-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .lcard{grid-template-columns:1fr}
  .news-item{grid-template-columns:72px 1fr}
  .news-item img{width:72px;height:56px}
  .panel-side .panel-thumb:nth-child(2){display:none}
  .panel-bar{grid-template-columns:1fr 1fr 1fr}
  .brand-name{font-size:18px}
  .rank{padding:12px 6px;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .vcard:hover{transform:none}
  .vcard:hover .cover img{transform:none}
  .lcard:hover{transform:none}
  .btn-primary:hover{transform:none}
}