/* roulang page: index */
:root{
  --ink:#16211E;
  --muted:#5C6B66;
  --bg:#F5F3EC;
  --card:#FFFFFF;
  --line:#DFDCD1;
  --primary:#14584A;
  --dark:#0E2A24;
  --lime:#C8F751;
  --lime-h:#B6E33F;
  --orange:#FF7A3D;
  --soft:#E8F3EF;
  --r-lg:12px;
  --r-sm:6px;
  --r-btn:10px;
  --sh:0 1px 0 #DFDCD1;
  --sh-h:0 10px 24px rgba(14,42,36,.10);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.num{font-family:"DIN Alternate","Bebas Neue",ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--primary);font-weight:700;margin-bottom:10px}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.btn-primary{background:var(--lime);color:var(--dark);border-color:var(--lime)}
.btn-primary:hover{background:var(--lime-h);transform:translateY(-1px);box-shadow:0 8px 18px rgba(20,88,74,.18)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--soft)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;transition:color .18s ease}
.link-more:hover{text-decoration:underline;text-underline-offset:3px}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:120;background:rgba(245,243,236,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .22s ease,border-color .22s ease}
.site-header.is-scrolled{background:#F5F3EC;border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{position:relative;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--dark));flex-shrink:0}
.brand-mark::after{content:"";position:absolute;inset:8px;border:2px solid var(--lime);border-radius:3px;transform:rotate(45deg)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-tag{font-size:11px;font-weight:600;color:var(--primary);background:var(--soft);border:1px solid #CFE4DB;border-radius:var(--r-sm);padding:2px 7px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{position:relative;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:8px;transition:color .18s ease}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--primary);transform:translateX(-50%)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-toggle{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;color:var(--muted);transition:border-color .18s ease,color .18s ease}
.search-toggle:hover{color:var(--primary);border-color:var(--primary)}
.search-form{width:0;overflow:hidden;transition:width .22s ease}
.search-form.open{width:220px}
.search-form input{width:100%;min-width:0;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:14px;color:var(--ink);transition:border-color .18s ease}
.search-form input:focus{outline:none;border-color:var(--primary)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary)}

/* ===== drawer ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(14,42,36,.48);z-index:190;opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:200;transform:translateX(100%);transition:transform .28s ease;padding:24px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--muted)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);transition:color .18s ease}
.drawer-nav a:hover{color:var(--primary)}
.drawer input[type=search]{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);font-size:14px;background:var(--bg)}
.drawer-note{font-size:12px;color:var(--muted);line-height:1.7}

/* ===== hero ===== */
.hero{position:relative;padding:52px 0 76px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/f3aa4b2af7083452.jpg') center/cover no-repeat;opacity:.05;pointer-events:none}
.hero .container{position:relative}
.bento{display:grid;grid-template-columns:1.55fr 1fr;gap:18px}
.bento-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--sh);position:relative;overflow:hidden}
.bento-main::after{content:"51";position:absolute;right:14px;bottom:-30px;font-family:"DIN Alternate",ui-monospace,monospace;font-size:150px;font-weight:700;line-height:1;color:rgba(20,88,74,.05);letter-spacing:-.04em;pointer-events:none}
.bento-main h1{font-size:clamp(32px,4.2vw,52px);font-weight:800;line-height:1.14;letter-spacing:-.02em;margin-bottom:18px}
.bento-main h1 em{font-style:normal;color:var(--primary)}
.hero-lead{font-size:15px;color:var(--muted);line-height:1.85;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.bento-side{display:grid;grid-template-rows:auto 1fr;gap:18px}
.mini-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh)}
.mini-card .mini-label{font-size:12px;letter-spacing:.1em;color:var(--muted);font-weight:600}
.mini-card .mini-num{display:block;font-size:40px;line-height:1.1;margin:6px 0 2px;color:var(--primary)}
.mini-card .mini-sub{font-size:13px;color:var(--muted)}
.mini-bar{margin-top:14px;height:6px;border-radius:999px;background:var(--soft);overflow:hidden}
.mini-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--primary));width:78%}
.mini-card-img{padding:0;overflow:hidden;border-radius:var(--r-lg);min-height:150px}
.mini-card-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.bento-strip{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;background:var(--dark);border-radius:var(--r-lg);padding:20px 26px}
.strip-item{display:flex;align-items:center;gap:12px}
.strip-item .num{font-size:24px;color:var(--lime);min-width:74px}
.strip-item span.txt{font-size:13px;color:#C9D6D1;line-height:1.5}

/* ===== section shell ===== */
.section{padding:76px 0}
.section-alt{background:#fff}
.section-dark{background:var(--dark);color:#F5F3EC}
.section-grid{background-image:linear-gradient(rgba(20,88,74,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(20,88,74,.045) 1px,transparent 1px);background-size:52px 52px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px)}
.sec-sub{font-size:15px;color:var(--muted);max-width:600px;margin-top:10px;line-height:1.8}
.section-dark .sec-sub{color:#A9BDB6}
.section-dark .eyebrow{color:var(--lime)}

/* ===== metrics ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.metric-card:hover{border-color:var(--primary);box-shadow:var(--sh-h);transform:translateY(-2px)}
.metric-num{display:inline-block;font-size:34px;line-height:1.1;color:var(--ink);padding:2px 10px;border-left:3px solid var(--lime);background:rgba(200,247,81,.16);border-radius:2px 0 0 2px}
.metric-name{font-size:17px;font-weight:600;margin:14px 0 8px}
.metric-note{font-size:13px;color:var(--muted);line-height:1.7}
.metric-track{margin-top:16px;height:4px;border-radius:999px;background:var(--line);overflow:hidden}
.metric-track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--primary));width:0;animation:grow .6s ease forwards}
@keyframes grow{to{width:var(--w,60%)}}

/* ===== rank ===== */
.rank-wrap{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start}
.rank-aside{position:sticky;top:96px}
.rank-aside h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.rank-aside p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:22px}
.rank-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh)}
.rank-item{display:flex;align-items:center;gap:14px;padding:13px 18px;border-bottom:1px solid var(--line);transition:background .18s ease}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:#F0F6F3}
.rank-no{flex:0 0 34px;font-size:18px;color:#C4CEC9;font-family:"DIN Alternate",ui-monospace,monospace;font-weight:700}
.rank-item:nth-child(-n+3) .rank-no{color:var(--primary)}
.rank-title{flex:1 1 auto;font-size:15px;line-height:1.6;min-width:0}
.rank-title:hover{color:var(--primary)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--r-sm);background:var(--soft);color:var(--primary);font-size:12px;font-weight:600;white-space:nowrap}
.tag-hot{background:rgba(255,122,61,.14);color:#C24E1C}
.rank-heat{flex:0 0 92px;height:6px;border-radius:999px;background:#EDEFE9;overflow:hidden}
.rank-heat i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--primary))}
.rank-val{flex:0 0 48px;text-align:right;font-size:14px;color:var(--primary)}
.rank-time{flex:0 0 52px;text-align:right;font-size:12px;color:var(--muted)}

/* ===== category matrix ===== */
.cat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.cat-big{grid-column:span 6;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.cat-big:hover{border-color:var(--primary);box-shadow:var(--sh-h);transform:translateY(-2px)}
.cat-big h3{font-size:20px;margin-bottom:10px}
.cat-big p{font-size:14px;color:var(--muted);line-height:1.8}
.cat-meta{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.cat-freq{font-size:12px;color:var(--primary);background:var(--soft);border-radius:var(--r-sm);padding:3px 9px;font-weight:600}
.cat-arrow{color:var(--primary);font-weight:700}
.cat-sm{grid-column:span 3;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.cat-sm:hover{border-color:var(--primary);box-shadow:var(--sh-h);transform:translateY(-2px)}
.cat-icon{width:34px;height:34px;border-radius:8px;border:1.5px solid var(--primary);display:grid;place-items:center;color:var(--primary);font-family:"DIN Alternate",ui-monospace,monospace;font-weight:700;font-size:14px;margin-bottom:12px}
.cat-sm h3{font-size:17px;margin-bottom:6px}
.cat-sm p{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== compare table ===== */
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.cmp-table th{background:var(--dark);color:#F5F3EC;font-size:14px;font-weight:600;text-align:left;padding:16px 20px;letter-spacing:.02em}
.cmp-table th:first-child{border-radius:var(--r-lg) 0 0 0}
.cmp-table th:last-child{border-radius:0 var(--r-lg) 0 0}
.cmp-table td{padding:16px 20px;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7;vertical-align:top}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table td:first-child{font-weight:600;color:var(--primary);width:22%}
.cmp-ok{color:var(--primary)}
.cmp-ok::before{content:"✓";display:inline-block;width:18px;font-weight:700;color:var(--primary)}
.cmp-no{color:var(--muted)}
.cmp-no::before{content:"—";display:inline-block;width:18px;color:#B7C1BC}

/* ===== timeline ===== */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;padding-top:6px}
.timeline::before{content:"";position:absolute;top:13px;left:6px;right:6px;height:1px;background:var(--line)}
.tl-item{position:relative;padding:34px 18px 0 0}
.tl-dot{position:absolute;top:6px;left:0;width:14px;height:14px;border-radius:50%;background:var(--lime);border:3px solid #fff;box-shadow:0 0 0 1px var(--primary)}
.tl-no{display:block;font-family:"DIN Alternate",ui-monospace,monospace;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.06em;margin-bottom:6px}
.tl-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.tl-item p{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== news list ===== */
.news-wrap{display:grid;grid-template-columns:7fr 5fr;gap:20px}
.news-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:box-shadow .18s ease,transform .18s ease}
.news-main:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:24px}
.news-body h3{font-size:20px;margin:12px 0 10px;line-height:1.45}
.news-body h3 a:hover{color:var(--primary)}
.news-body p{font-size:14px;color:var(--muted);line-height:1.8}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.news-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.news-card:hover{box-shadow:var(--sh-h);transform:translateY(-2px);border-color:var(--primary)}
.news-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.news-card .nc-body{padding:14px}
.news-card h3{font-size:15px;font-weight:600;line-height:1.55;margin:8px 0}
.news-card h3 a:hover{color:var(--primary)}
.news-more{margin-top:24px;text-align:right}

/* ===== topics ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.topic-card:hover{box-shadow:var(--sh-h);transform:translateY(-2px);border-color:var(--primary)}
.topic-pic{overflow:hidden}
.topic-pic img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .35s ease}
.topic-card:hover .topic-pic img{transform:scale(1.02)}
.topic-body{padding:20px}
.topic-body h3{font-size:18px;margin-bottom:8px}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.75}
.topic-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.topic-meta .num{color:var(--primary);font-size:15px}

/* ===== dark guarantee ===== */
.guarantee{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.guarantee h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.guarantee > div > p{font-size:15px;line-height:1.85;color:#A9BDB6}
.guarantee-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.g-card{border:1px solid rgba(245,243,236,.16);border-radius:var(--r-lg);padding:20px;background:rgba(245,243,236,.03);transition:border-color .18s ease,background .18s ease}
.g-card:hover{border-color:rgba(200,247,81,.5);background:rgba(200,247,81,.05)}
.g-icon{width:32px;height:32px;border-radius:8px;border:1.5px solid var(--lime);color:var(--lime);display:grid;place-items:center;font-size:14px;font-weight:700;margin-bottom:12px;font-family:"DIN Alternate",ui-monospace,monospace}
.g-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.g-card p{font-size:13px;line-height:1.7;color:#A9BDB6}

/* ===== quick answers ===== */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qa-card{background:#F5F3EC;border-left:3px solid var(--primary);border-radius:0 var(--r-lg) var(--r-lg) 0;padding:20px 22px}
.qa-card h3{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.qa-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ===== faq ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px 20px 0;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .18s ease}
.faq-q:hover{color:var(--primary)}
.faq-q .plus{flex:0 0 20px;position:relative;width:20px;height:20px;transition:transform .28s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%)}
.faq-q .plus::before{width:14px;height:2px}
.faq-q .plus::after{width:2px;height:14px}
.faq-item.open .faq-q{color:var(--primary)}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-item.open::before{content:"";position:absolute;left:-14px;top:22px;bottom:22px;width:3px;border-radius:2px;background:var(--lime)}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.85;padding:0 40px 20px 0}

/* ===== reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh)}
.review-card p{font-size:15px;line-height:1.8;color:var(--ink);min-height:76px}
.review-foot{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--primary);background:var(--soft);flex-shrink:0}
.review-name{font-size:13px;font-weight:600}
.review-label{font-size:12px;color:var(--muted);margin-left:auto}
.stars{color:var(--primary);font-size:13px;letter-spacing:2px}

/* ===== tags ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{display:inline-flex;align-items:center;height:38px;padding:0 18px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--ink);background:var(--card);transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease}
.tag-cloud a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}

/* ===== subscribe ===== */
.sub-wrap{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:start}
.sub-wrap h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.sub-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.sub-list li{display:flex;gap:10px;font-size:14px;color:#C9D6D1;line-height:1.7}
.sub-list li::before{content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-top:9px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13px;font-weight:600;color:#C9D6D1;margin-bottom:8px}
.form-field .req{color:var(--orange)}
.form-control,.form-select{width:100%;min-height:46px;padding:10px 14px;border-radius:var(--r-btn);border:1px solid #2C5A4F;background:#123A32;color:#F5F3EC;font-size:15px;font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease}
.form-control::placeholder{color:#7E968F}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,247,81,.16)}
textarea.form-control{min-height:96px;resize:vertical;line-height:1.7}
.form-select option{background:#123A32;color:#F5F3EC}
.form-note{font-size:12px;color:#87A29A;line-height:1.7;margin-top:12px}

/* ===== footer ===== */
.site-footer{background:var(--dark);color:#C9D6D1;padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.foot-brand .brand-text{color:#F5F3EC}
.foot-brand p{font-size:13px;line-height:1.8;color:#93A8A1;margin-top:14px;max-width:280px}
.foot-col h4{font-size:14px;color:#F5F3EC;margin-bottom:14px;font-weight:600}
.foot-col a{display:block;font-size:13px;color:#93A8A1;padding:6px 0;transition:color .18s ease}
.foot-col a:hover{color:var(--lime)}
.foot-bottom{border-top:1px solid rgba(245,243,236,.12);padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:#7E968F}

/* ===== responsive ===== */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:60px 0}
  .main-nav{display:none}
  .menu-btn{display:flex}
  .search-form{display:none}
  .bento{grid-template-columns:1fr}
  .bento-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .rank-wrap{grid-template-columns:1fr;gap:24px}
  .rank-aside{position:static}
  .cat-big{grid-column:span 12}
  .cat-sm{grid-column:span 6}
  .timeline{grid-template-columns:1fr;padding-top:0}
  .timeline::before{display:none}
  .tl-item{padding:0 0 22px 26px;border-left:1px solid var(--line)}
  .tl-item:last-child{border-left-color:transparent}
  .tl-dot{top:4px;left:-7px;width:13px;height:13px}
  .news-wrap{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr 1fr}
  .guarantee{grid-template-columns:1fr;gap:24px}
  .qa-grid{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr 1fr}
  .sub-wrap{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .hero{padding:32px 0 52px}
  .bento-main{padding:26px}
  .bento-side{grid-template-columns:1fr}
  .bento-strip{grid-template-columns:1fr;gap:14px;padding:18px 20px}
  .rank-heat{display:none}
  .rank-item{gap:10px;padding:12px 14px}
  .cat-sm{grid-column:span 12}
  .news-side{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .guarantee-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .cmp-table{display:block;border:0;background:none}
  .cmp-table thead{display:none}
  .cmp-table tbody{display:block}
  .cmp-table tr{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:14px;padding:16px}
  .cmp-table td{display:block;padding:6px 0;border:0;width:auto!important}
  .cmp-table td:first-child{border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:8px;font-size:15px}
  .cmp-table td[data-label]::before{content:attr(data-label);display:inline-block;min-width:88px;font-size:12px;color:var(--muted)}
  .faq-item.open::before{left:-10px}
  .news-more{text-align:left}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-tag{display:none}
  .metric-grid{grid-template-columns:1fr}
  .rank-time{display:none}
  .rank-title{font-size:14px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{justify-content:flex-start}
  .hero-cta .btn{width:100%}
  .review-card p{min-height:0}
  .sec-head{margin-bottom:22px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}