/* roulang page: index */
:root{
  --bg-900:#050A15;--bg-800:#0A1327;--bg-700:#101C38;--bg-600:#16254A;
  --ink-100:#F2F6FF;--ink-300:#C3CFE6;--ink-500:#8494B4;
  --accent:#B8FF3C;--accent-2:#35E0C0;--warm:#FF7A45;
  --glass:rgba(255,255,255,.055);--glass-2:rgba(255,255,255,.09);--line:rgba(150,190,255,.16);--line-2:rgba(150,190,255,.28);
  --r-lg:20px;--r-sm:14px;--r-xs:12px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
  --wrap:1200px;
  --bs-body-bg:#050A15;--bs-body-color:#C3CFE6;--bs-primary:#B8FF3C;
  --bs-link-color:#C3CFE6;--bs-link-hover-color:#B8FF3C;
  --bs-border-color:rgba(150,190,255,.16);--bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg-900);color:var(--ink-300);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(150,190,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(150,190,255,.055) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink-300);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--ink-100);font-weight:800;letter-spacing:-.01em;line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,button{font-family:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;position:relative;z-index:1}
@media(min-width:1400px){.wrap{max-width:1280px}}

/* ============ 顶部导航 ============ */
.site-head{position:sticky;top:0;z-index:1030;background:rgba(5,10,21,.86);backdrop-filter:blur(16px) saturate(130%);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:26px;height:26px;border-radius:50%;position:relative;flex-shrink:0;
  background:radial-gradient(circle at 32% 30%,var(--accent),var(--accent-2) 70%);
  box-shadow:0 0 0 1px rgba(184,255,60,.5),0 8px 20px -8px rgba(184,255,60,.7)}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;border:2px solid rgba(5,10,21,.72)}
.logo-text{font-size:19px;font-weight:800;color:var(--ink-100);letter-spacing:-.02em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--accent)}
.head-links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--ink-500)}
.head-links a{position:relative}
.head-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:2px;background:var(--accent);transition:right .25s ease}
.head-links a:hover::after{right:0}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:var(--glass);color:var(--ink-100);font-size:15px;transition:.2s}
.icon-btn:hover{color:var(--accent);border-color:var(--line-2);transform:translateY(-1px)}

.chip-bar{border-top:1px solid rgba(150,190,255,.08);position:relative}
.chip-scroll{display:flex;gap:10px;align-items:center;height:48px;overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;padding-right:56px}
.chip-scroll::-webkit-scrollbar{height:0;display:none}
.chip-bar::after{content:"";position:absolute;right:0;top:0;width:64px;height:48px;pointer-events:none;
  background:linear-gradient(90deg,rgba(5,10,21,0),rgba(5,10,21,.95))}
.chip{flex:0 0 auto;scroll-snap-align:start;padding:6px 16px;border-radius:999px;font-size:13px;line-height:1.6;
  color:var(--ink-300);border:1px solid var(--line);background:var(--glass);white-space:nowrap;transition:.2s}
.chip:hover{color:var(--ink-100);border-color:var(--line-2);transform:translateY(-1px)}
.chip.is-active{background:var(--accent);color:#08130A;border-color:var(--accent);font-weight:700;
  box-shadow:0 0 0 1px rgba(184,255,60,.45),0 8px 22px -10px rgba(184,255,60,.7)}

/* ============ 通用按钮 ============ */
.btn-run{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:999px;border:1px solid var(--accent);background:var(--accent);color:#08130A;font-weight:800;font-size:15px;
  box-shadow:0 0 0 1px rgba(184,255,60,.45),0 14px 34px -10px rgba(184,255,60,.35);
  transition:transform .18s ease,filter .18s ease;cursor:pointer}
.btn-run:hover{filter:brightness(1.08);transform:translateY(-2px);color:#08130A}
.btn-run:active{transform:translateY(1px)}
.btn-run.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;border:1px solid var(--line-2);background:var(--glass);color:var(--ink-100);font-weight:700;font-size:15px;
  backdrop-filter:blur(14px);transition:.2s}
.btn-ghost:hover{color:var(--accent);border-color:rgba(184,255,60,.45);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700;font-size:14px}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(5px)}
a:focus-visible,button:focus-visible,input:focus-visible,.chip:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.btn-run:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ============ 徽章 ============ */
.badge-soft{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:12px;
  letter-spacing:.08em;color:var(--accent);background:rgba(184,255,60,.12);border:1px solid rgba(184,255,60,.32);font-weight:700}
.badge-warm{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700;
  color:#1A0A02;background:var(--warm)}
.badge-line{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;color:var(--ink-300);
  border:1px solid var(--line);background:var(--glass)}

/* ============ Hero ============ */
.hero{position:relative;padding:76px 0 84px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(700px 420px at 12% 8%,rgba(184,255,60,.16),transparent 62%),
    radial-gradient(720px 460px at 88% 92%,rgba(53,224,192,.16),transparent 64%),
    url('/assets/images/565fd283fab86f51.webp') center/cover no-repeat;
  opacity:.5}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,21,.55),rgba(5,10,21,.94))}
.hero-inner{max-width:840px;text-align:center;margin:0 auto;padding-top:8px}
.hero h1{font-size:clamp(30px,4vw,50px);margin:20px 0 18px}
.hero h1 .glow{color:var(--accent);text-shadow:0 0 26px rgba(184,255,60,.42)}
.hero-lead{font-size:16px;line-height:1.85;color:var(--ink-300);max-width:720px;margin:0 auto}
.hero-search{display:flex;gap:10px;margin:32px auto 0;max-width:620px;background:var(--glass);
  border:1px solid var(--line-2);border-radius:999px;padding:7px 7px 7px 20px;backdrop-filter:blur(14px) saturate(120%)}
.hero-search input{flex:1;min-width:0;background:transparent;border:0;color:var(--ink-100);font-size:14.5px;outline:none;height:38px}
.hero-search input::placeholder{color:var(--ink-500)}
.hero-search .btn-run{flex-shrink:0}
.hot-chips{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:20px;font-size:13px}
.hot-chips b{color:var(--ink-500);font-weight:600}
.hot-chips a{padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:var(--glass);font-size:12.5px}
.hero-metrics{display:flex;justify-content:center;flex-wrap:wrap;gap:14px 40px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.hero-metrics div{font-size:13px;color:var(--ink-500)}
.hero-metrics strong{display:block;font-size:24px;color:var(--ink-100);font-weight:800;letter-spacing:-.02em}
.hero-metrics strong em{font-style:normal;font-size:13px;color:var(--accent);margin-left:3px;font-weight:700}

/* ============ 板块骨架 ============ */
section{position:relative;z-index:1}
.sec{padding:96px 0;border-bottom:1px solid rgba(150,190,255,.07)}
.sec-a{background:var(--bg-900)}
.sec-b{background:var(--bg-800)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{margin:0 auto 44px;text-align:center}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);margin:14px 0 12px}
.sec-head p{color:var(--ink-500);font-size:15px}
.sec-head h2 .hl{color:var(--accent)}

/* ============ 痛点 ============ */
.pain-grid{display:grid;grid-template-columns:96px 1fr;gap:32px;align-items:start}
.pain-nums{display:flex;flex-direction:column;gap:18px;font-size:13px;color:var(--ink-500);font-weight:700;letter-spacing:.14em}
.pain-nums span{padding-left:14px;border-left:2px solid var(--line)}
.pain-nums span.on{border-left-color:var(--accent);color:var(--accent)}
.pain-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pain-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow);transition:transform .22s ease,border-color .22s ease;position:relative;overflow:hidden}
.pain-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(184,255,60,.55),transparent);opacity:0;transition:opacity .22s}
.pain-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.pain-card:hover::before{opacity:1}
.pain-card.tall{min-height:214px;display:flex;flex-direction:column;justify-content:flex-end}
.pain-card h3{font-size:19px;margin-bottom:10px}
.pain-card p{font-size:14px;color:var(--ink-500);line-height:1.8}
.pain-ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(184,255,60,.12);border:1px solid rgba(184,255,60,.3);color:var(--accent);font-weight:800;font-size:14px}

/* ============ 解决方案 编号长条 ============ */
.sol-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.sol-item{padding:0 22px;position:relative}
.sol-item:not(:last-child)::after{content:"";position:absolute;right:0;top:16px;bottom:16px;width:1px;
  background-image:linear-gradient(180deg,var(--line-2) 50%,transparent 50%);background-size:1px 8px}
.sol-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.16em;margin-bottom:14px;display:block}
.sol-item h3{font-size:18px;margin-bottom:8px}
.sol-item p{font-size:14px;color:var(--ink-500);line-height:1.8}

/* ============ 时间轴 ============ */
.tl-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,rgba(184,255,60,.6),rgba(53,224,192,.18))}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-26px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-900);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(184,255,60,.12)}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item h3 em{font-style:normal;display:inline-block;min-width:26px;color:var(--accent);font-weight:800}
.tl-item p{font-size:14px;color:var(--ink-500)}
.tl-visual{border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;background:var(--glass);box-shadow:var(--shadow)}
.tl-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.82}
.tl-visual .cap{padding:16px 20px;font-size:13px;color:var(--ink-500);border-top:1px solid var(--line)}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:1fr 1fr 1fr;grid-auto-rows:minmax(120px,auto);gap:24px}
.scene-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease;position:relative;overflow:hidden}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.scene-card.big{grid-column:span 2;justify-content:flex-end;min-height:260px;
  background:linear-gradient(180deg,rgba(16,28,56,.35),rgba(10,19,39,.9)),var(--glass)}
.scene-card.big::after{content:"";position:absolute;inset:0;background:radial-gradient(420px 240px at 88% 12%,rgba(184,255,60,.18),transparent 65%);pointer-events:none}
.scene-card h3{font-size:20px;margin-bottom:8px}
.scene-card .who{font-size:12.5px;color:var(--ink-500);letter-spacing:.04em;margin-bottom:12px}
.scene-card p{font-size:14px;color:var(--ink-300);line-height:1.8;margin-bottom:18px}
.scene-card .link-arrow{margin-top:auto}

/* ============ 数字成果 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:16px}
.stat-cell{padding:24px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px)}
.stat-cell .num{font-size:clamp(32px,3.4vw,48px);font-weight:800;letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(92deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-cell .num small{font-size:15px;font-weight:700;-webkit-text-fill-color:var(--ink-300);margin-left:4px;letter-spacing:0}
.stat-cell .lbl{font-size:13.5px;color:var(--ink-500);margin-top:10px}
.bar{height:4px;border-radius:99px;background:rgba(150,190,255,.14);overflow:hidden;margin-top:14px}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

/* ============ 跑友说 横滑 ============ */
.voice-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;scrollbar-width:thin}
.voice-track::-webkit-scrollbar{height:6px}
.voice-track::-webkit-scrollbar-thumb{background:rgba(150,190,255,.22);border-radius:99px}
.voice-card{flex:0 0 320px;scroll-snap-align:start;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;position:relative;backdrop-filter:blur(14px) saturate(120%)}
.voice-card::before{content:"“";position:absolute;left:18px;top:6px;font-size:44px;color:rgba(184,255,60,.28);line-height:1;font-family:Georgia,serif}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding-top:22px}
.avatar{width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,rgba(184,255,60,.34),rgba(53,224,192,.22));border:1px solid var(--line-2);
  display:grid;place-items:center;color:var(--ink-100);font-weight:800;font-size:14px}
.voice-top b{display:block;color:var(--ink-100);font-size:14.5px}
.voice-top span{font-size:12.5px;color:var(--ink-500)}
.voice-card p{font-size:14px;line-height:1.8;color:var(--ink-300)}
.voice-foot{display:flex;justify-content:flex-end;margin-top:16px}

/* ============ 人群 ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tag-cloud a{padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass);
  font-size:13.5px;color:var(--ink-300);transition:.2s}
.tag-cloud a:hover{color:var(--accent);border-color:rgba(184,255,60,.45);background:rgba(184,255,60,.08);transform:translateY(-2px)}
.who-list{display:grid;gap:16px}
.who-item{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:center;padding:22px 24px;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);transition:.22s}
.who-item:hover{border-color:var(--line-2);transform:translateY(-3px)}
.who-ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:20px;
  background:rgba(53,224,192,.12);border:1px solid rgba(53,224,192,.32);color:var(--accent-2)}
.who-item h3{font-size:17px;margin-bottom:6px}
.who-item p{font-size:13.8px;color:var(--ink-500)}

/* ============ 安全 ============ */
.safe-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.safe-list{border-left:3px solid var(--accent);padding-left:26px;display:grid;gap:18px}
.safe-list li{font-size:14.5px;line-height:1.8;color:var(--ink-300)}
.safe-list li b{color:var(--ink-100);display:block;font-size:15px;margin-bottom:3px}
.safe-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow)}
.safe-card h3{font-size:17px;margin-bottom:12px}
.safe-card p{font-size:14px;color:var(--ink-500);line-height:1.8}
.safe-tip{margin-top:18px;padding:14px 16px;border-radius:var(--r-xs);display:flex;gap:10px;align-items:flex-start;
  background:rgba(255,122,69,.1);border:1px solid rgba(255,122,69,.34);font-size:13.5px;color:#FFD5C4;line-height:1.7}
.safe-tip b{color:var(--warm)}

/* ============ 路线 ============ */
.route-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;margin-bottom:32px}
.route-layout h2{font-size:clamp(24px,2.6vw,32px);margin:14px 0 14px}
.route-layout p{font-size:15px;color:var(--ink-500);line-height:1.85;margin-bottom:18px}
.route-map{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.route-map img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.8}
.route-map .pin{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 6px rgba(184,255,60,.22)}
.pin.p1{left:26%;top:38%}.pin.p2{left:58%;top:56%}.pin.p3{left:76%;top:30%}
.spot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.spot{padding:18px 20px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--glass);transition:.2s}
.spot:hover{border-color:var(--line-2);transform:translateY(-3px)}
.spot b{display:block;color:var(--ink-100);font-size:15px;margin-bottom:6px}
.spot span{font-size:12.5px;color:var(--ink-500)}

/* ============ 资讯 ============ */
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.news-big{display:block;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow);transition:.22s}
.news-big:hover{border-color:var(--line-2);transform:translateY(-4px)}
.news-big img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9}
.news-big-body{padding:22px 24px 26px}
.news-big h3{font-size:20px;margin:10px 0 10px;line-height:1.4}
.news-big p{font-size:14px;color:var(--ink-500);margin-bottom:14px}
.meta{font-size:12.5px;color:var(--ink-500);display:flex;gap:12px;flex-wrap:wrap}
.news-side{display:grid;gap:16px;align-content:start}
.news-mini{display:grid;grid-template-columns:112px 1fr;gap:14px;padding:12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--glass);transition:.2s;align-items:center}
.news-mini:hover{border-color:var(--line-2);transform:translateY(-3px)}
.news-mini img{width:112px;aspect-ratio:4/3;object-fit:cover;border-radius:10px;opacity:.88}
.news-mini h4{font-size:14.5px;line-height:1.5;margin-bottom:6px;color:var(--ink-100);font-weight:700}

/* ============ 平台数据 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--glass);backdrop-filter:blur(14px);overflow:hidden}
.metric-cell{padding:28px 24px;border-right:1px solid var(--line)}
.metric-cell:last-child{border-right:0}
.metric-cell b{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(92deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-cell b small{font-size:13px;font-weight:700;-webkit-text-fill-color:var(--ink-500);margin-left:4px}
.metric-cell span{font-size:13px;color:var(--ink-500);display:block;margin-top:8px;line-height:1.7}

/* ============ 领跑员 ============ */
.crew-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.crew-card{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);transition:.24s}
.crew-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 24px 46px -24px rgba(0,0,0,.9)}
.crew-card img{width:100%;aspect-ratio:3/4;object-fit:cover;opacity:.88}
.crew-body{padding:16px 18px 20px}
.crew-body b{display:block;color:var(--ink-100);font-size:15.5px;margin-bottom:4px}
.crew-body .zone{font-size:12.5px;color:var(--accent-2);margin-bottom:8px}
.crew-body p{font-size:13px;color:var(--ink-500);line-height:1.7;margin-bottom:10px}

/* ============ FAQ ============ */
.acc .accordion-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm) !important;
  margin-bottom:12px;overflow:hidden;backdrop-filter:blur(14px)}
.acc .accordion-button{background:transparent;color:var(--ink-100);font-weight:700;font-size:15.5px;
  padding:18px 22px;box-shadow:none;display:flex;align-items:center;gap:14px;border-radius:0}
.acc .accordion-button:not(.collapsed){background:rgba(184,255,60,.06);color:var(--accent);box-shadow:none}
.acc .accordion-button::after{display:none}
.acc .accordion-button::before{content:"+";width:22px;flex:0 0 22px;color:var(--accent);font-size:19px;font-weight:700;line-height:1}
.acc .accordion-button:not(.collapsed)::before{content:"−"}
.acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(184,255,60,.35);
  box-shadow:inset 3px 0 0 var(--accent)}
.acc .accordion-body{padding:0 22px 20px 58px;font-size:14.3px;color:var(--ink-500);line-height:1.85}

/* ============ 结尾 CTA ============ */
.cta-card{border-radius:24px;border:1px solid var(--line-2);padding:44px;
  background:linear-gradient(120deg,rgba(16,28,56,.85),rgba(10,19,39,.85)),var(--glass);
  backdrop-filter:blur(16px) saturate(120%);box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.18),transparent 65%);pointer-events:none}
.cta-card h2{font-size:clamp(24px,2.8vw,32px);margin:14px 0 12px}
.cta-card p{font-size:15px;color:var(--ink-500)}
.cta-form{display:grid;gap:12px;position:relative}
.cta-form input{height:48px;border-radius:var(--r-xs);border:1px solid var(--line-2);background:rgba(5,10,21,.6);
  color:var(--ink-100);padding:0 16px;font-size:14.5px;outline:none;transition:.2s}
.cta-form input::placeholder{color:var(--ink-500)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(184,255,60,.16)}
.cta-form .btn-run{width:100%}
.cta-note{font-size:12.5px;color:var(--ink-500);margin-top:18px}

/* ============ 页脚 ============ */
.site-foot{background:#030711;border-top:1px solid var(--line);padding:64px 0 26px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:44px}
.foot-brand .logo{margin-bottom:14px}
.foot-brand p{font-size:13.5px;color:var(--ink-500);line-height:1.85;max-width:300px}
.foot-col h4{font-size:14px;color:var(--ink-100);margin-bottom:14px;font-weight:700}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-500);padding:5px 0}
.foot-col a:hover{color:var(--accent)}
.foot-col p{font-size:13px;color:var(--ink-500);line-height:1.8}
.foot-bottom{border-top:1px solid rgba(150,190,255,.1);padding-top:22px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-500)}
.foot-bottom a{color:var(--ink-500)}
.foot-bottom a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media(max-width:1199.98px){
  .sol-row{grid-template-columns:1fr 1fr;gap:24px 0}
  .sol-item:nth-child(2)::after{display:none}
  .crew-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:991.98px){
  .sec{padding:72px 0}
  .head-links{display:none}
  .pain-grid{grid-template-columns:1fr}
  .pain-nums{flex-direction:row;gap:14px}
  .pain-nums span{padding-left:10px}
  .tl-layout,.safe-layout,.route-layout,.news-layout,.cta-card{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .scene-card.big{grid-column:span 2}
  .metric-grid{grid-template-columns:1fr 1fr}
  .metric-cell:nth-child(2){border-right:0}
  .metric-cell:nth-child(1),.metric-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .spot-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767.98px){
  .wrap{padding:0 20px}
  .head-inner{height:56px;gap:12px}
  .logo-text{font-size:17px}
  .head-actions .btn-run{display:none}
  .hero{padding:52px 0 60px}
  .hero-search{flex-direction:column;border-radius:var(--r-lg);padding:14px}
  .hero-search input{height:44px;padding:0 6px}
  .hero-search .btn-run{width:100%}
  .hero-metrics{gap:12px 26px}
  .hero-metrics strong{font-size:20px}
  .pain-cards{grid-template-columns:1fr}
  .sol-row{grid-template-columns:1fr}
  .sol-item{padding:0 0 20px}
  .sol-item::after{display:none !important}
  .scene-grid{grid-template-columns:1fr}
  .scene-card.big{grid-column:span 1}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px}
  .voice-card{flex:0 0 84%}
  .news-mini{grid-template-columns:92px 1fr}
  .news-mini img{width:92px}
  .crew-grid{grid-template-columns:1fr 1fr;gap:14px}
  .cta-card{padding:28px}
  .acc .accordion-body{padding-left:22px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .metric-cell{padding:22px 18px}
}
@media(max-width:575.98px){
  .sec{padding:56px 0}
  .sec-head h2{font-size:22px}
  .stat-row{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .metric-cell{border-right:0;border-bottom:1px solid var(--line)}
  .metric-cell:last-child{border-bottom:0}
  .spot-grid{grid-template-columns:1fr}
  .crew-grid{grid-template-columns:1fr}
  .chip{font-size:12.5px;padding:5px 13px}
  .foot-bottom{font-size:12px}
}

/* roulang page: category1 */
:root{
--bg-900:#050A15;--bg-800:#0A1327;--bg-700:#101C38;--bg-600:#16254A;
--ink-100:#F2F6FF;--ink-300:#C3CFE6;--ink-500:#8494B4;
--accent:#B8FF3C;--accent-2:#35E0C0;--warm:#FF7A45;
--glass:rgba(255,255,255,.055);--glass-2:rgba(255,255,255,.09);
--line:rgba(150,190,255,.16);--line-2:rgba(150,190,255,.28);
--r-lg:20px;--r-sm:14px;--r-xs:12px;
--shadow:0 18px 40px -20px rgba(0,0,0,.75);
--wrap:1200px;
--bs-body-bg:#050A15;--bs-body-color:#C3CFE6;--bs-primary:#B8FF3C;
--bs-link-color:#C3CFE6;--bs-link-hover-color:#B8FF3C;
--bs-border-color:rgba(150,190,255,.16);--bs-border-radius:14px;
--bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
margin:0;font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
background:var(--bg-900);color:var(--ink-300);font-size:16px;line-height:1.75;
-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
background-image:linear-gradient(rgba(150,190,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(150,190,255,.055) 1px,transparent 1px);
background-size:64px 64px;opacity:.55;
}
main{position:relative;z-index:1}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink-300);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
p{margin:0 0 12px}
h1,h2,h3,h4{margin:0;color:var(--ink-100);font-weight:800;letter-spacing:-.01em;line-height:1.32}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
@media (min-width:1400px){:root{--wrap:1280px}}
a:focus-visible,button:focus-visible,input:focus-visible,.chip:focus-visible{
outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}

/* ===== Logo ===== */
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:26px;height:26px;border-radius:50%;position:relative;flex-shrink:0;
background:radial-gradient(circle at 32% 30%,var(--accent),var(--accent-2) 70%);
box-shadow:0 0 0 1px rgba(184,255,60,.5),0 8px 20px -8px rgba(184,255,60,.7)}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;border:2px solid rgba(5,10,21,.72)}
.logo-text{font-size:19px;font-weight:800;color:var(--ink-100);letter-spacing:-.02em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--accent)}

/* ===== 头部导航 ===== */
.site-head{position:sticky;top:0;z-index:60;background:rgba(5,10,21,.88);
-webkit-backdrop-filter:blur(18px) saturate(130%);backdrop-filter:blur(18px) saturate(130%);
border-bottom:1px solid var(--line)}
.head-brand{height:64px;display:flex;align-items:center}
.head-inner{display:flex;align-items:center;width:100%;gap:20px}
.head-links{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:14.5px;font-weight:600;color:var(--ink-300)}
.head-links a{position:relative;white-space:nowrap}
.head-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:2px;background:var(--accent);transition:right .25s ease}
.head-links a:hover::after{right:0}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.icon-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);
background:var(--glass);color:var(--ink-100);font-size:15px;transition:.2s;flex-shrink:0}
.icon-btn:hover{color:var(--accent);border-color:var(--line-2);transform:translateY(-1px)}
.chip-bar{border-top:1px solid rgba(150,190,255,.08);position:relative}
.chip-scroll{display:flex;gap:10px;align-items:center;height:48px;overflow-x:auto;scroll-snap-type:x proximity;
scrollbar-width:none;-ms-overflow-style:none;padding-right:56px}
.chip-scroll::-webkit-scrollbar{height:0;display:none}
.chip-bar::after{content:"";position:absolute;right:0;top:0;width:64px;height:48px;pointer-events:none;
background:linear-gradient(90deg,rgba(5,10,21,0),rgba(5,10,21,.95))}
.chip{flex:0 0 auto;scroll-snap-align:start;padding:6px 16px;border-radius:999px;font-size:13px;line-height:1.6;
color:var(--ink-300);border:1px solid var(--line);background:var(--glass);white-space:nowrap;transition:.2s}
.chip:hover{color:var(--ink-100);border-color:var(--line-2);transform:translateY(-1px)}
.chip.is-active{background:var(--accent);color:#08130A;border-color:var(--accent);font-weight:700;
box-shadow:0 0 0 1px rgba(184,255,60,.45),0 8px 22px -10px rgba(184,255,60,.7)}

/* ===== 按钮 ===== */
.btn-run{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
border-radius:999px;border:1px solid var(--accent);background:var(--accent);color:#08130A;font-weight:800;font-size:15px;
box-shadow:0 0 0 1px rgba(184,255,60,.45),0 14px 34px -10px rgba(184,255,60,.35);
transition:transform .18s ease,filter .18s ease;cursor:pointer;white-space:nowrap}
.btn-run:hover{filter:brightness(1.08);transform:translateY(-2px);color:#08130A}
.btn-run:active{transform:translateY(1px)}
.btn-run.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
border-radius:999px;border:1px solid var(--line-2);background:var(--glass);color:var(--ink-100);font-weight:700;font-size:15px;
-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:.2s;cursor:pointer;white-space:nowrap}
.btn-ghost:hover{color:var(--accent);border-color:rgba(184,255,60,.45);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost.btn-sm{height:38px;padding:0 18px;font-size:13.5px}

/* ===== 徽章 / 标签 ===== */
.badge-soft{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:11.5px;
letter-spacing:.1em;color:var(--accent);background:rgba(184,255,60,.12);border:1px solid rgba(184,255,60,.32);font-weight:700}
.badge-line{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;color:var(--ink-300);
border:1px solid var(--line);background:var(--glass)}
.tag-mini{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11.5px;font-weight:700;
color:var(--accent-2);background:rgba(53,224,192,.1);border:1px solid rgba(53,224,192,.28)}

/* ===== 板块 ===== */
.sec{position:relative;padding:96px 0;border-top:1px solid rgba(150,190,255,.08)}
.sec--alt{background:var(--bg-800)}
.sec--tight{padding:48px 0}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px)}
.sec-sub{margin-top:10px;font-size:15px;color:var(--ink-500);line-height:1.7}

/* ===== 分类页头 ===== */
.cat-head{position:relative;padding:56px 0 40px;background:var(--bg-800);border-bottom:1px solid var(--line);z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--ink-300)}
.cat-head-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cat-head-main{max-width:720px}
.cat-head h1{font-size:clamp(28px,3.4vw,42px);margin:14px 0 12px;letter-spacing:-.02em}
.cat-head h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 26px rgba(184,255,60,.35)}
.cat-sub{font-size:15px;color:var(--ink-500);margin:0}
.cat-side{display:flex;gap:12px;flex-wrap:wrap}
.side-row{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 18px;font-size:12.5px;color:var(--ink-500)}
.side-row strong{display:block;color:var(--ink-100);font-size:16px;font-weight:800;margin-top:2px}

/* ===== 统计条 ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--glass);border:1px solid var(--line);
border-radius:var(--r-lg);overflow:hidden;min-height:88px;box-shadow:var(--shadow)}
.stat-cell{padding:18px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.stat-cell:last-child{border-right:none}
.stat-cell .val{display:flex;align-items:baseline;gap:4px;font-size:28px;font-weight:800;line-height:1.2;
background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-cell .val small{font-size:13px;font-weight:700;color:var(--ink-300);-webkit-text-fill-color:var(--ink-300)}
.stat-cell p{margin:4px 0 0;font-size:13px;color:var(--ink-500)}

/* ===== 列表筛选 ===== */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.f-chip{padding:7px 18px;border-radius:999px;font-size:13.5px;border:1px solid var(--line);background:var(--glass);
color:var(--ink-300);cursor:pointer;transition:.2s;font-weight:600}
.f-chip:hover{color:var(--ink-100);border-color:var(--line-2);transform:translateY(-1px)}
.f-chip.is-on{background:rgba(184,255,60,.14);border-color:rgba(184,255,60,.5);color:var(--accent);
box-shadow:0 0 0 1px rgba(184,255,60,.22)}

/* ===== 文章卡列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{display:flex;gap:18px;padding:18px;border-radius:var(--r-lg);background:var(--glass);
border:1px solid var(--line);box-shadow:var(--shadow);position:relative;overflow:hidden;
transition:transform .2s ease,border-color .2s ease,background .2s ease}
.post-card::before{content:"";position:absolute;left:0;top:0;height:1px;width:100%;
background:linear-gradient(90deg,transparent,rgba(184,255,60,.7),transparent);opacity:0;transition:opacity .25s ease}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--glass-2);color:inherit}
.post-card:hover::before{opacity:1}
.post-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.thumb{width:38%;flex:0 0 38%;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--bg-700);
border:1px solid rgba(150,190,255,.12)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-body{flex:1;min-width:0;display:flex;flex-direction:column}
.post-body h3{font-size:17px;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-body h3{color:var(--accent)}
.post-body p{font-size:13.5px;color:var(--ink-500);line-height:1.7;margin:0 0 10px;
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--ink-500)}
.list-more{display:flex;justify-content:center;margin-top:36px}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{display:inline-flex;align-items:center;padding:9px 20px;border-radius:999px;font-size:13.5px;
color:var(--ink-300);border:1px solid var(--line);background:var(--glass);transition:.2s}
.tag-pill:hover{color:#08130A;background:var(--accent);border-color:var(--accent);transform:translateY(-2px);
box-shadow:0 12px 26px -14px rgba(184,255,60,.8)}

/* ===== 精选专题 ===== */
.topic-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.topic-item{display:block;padding:26px 26px 26px 0;border-right:1px solid var(--line);transition:.2s}
.topic-item:last-child{border-right:none;padding-right:0}
.topic-item:nth-child(n+2){padding-left:26px}
.topic-no{display:block;font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.12em;margin-bottom:12px}
.topic-item h3{font-size:18px;margin-bottom:8px}
.topic-item p{font-size:13.5px;color:var(--ink-500);margin:0}
.topic-item:hover h3{color:var(--accent)}
.topic-item:hover{transform:translateY(-3px)}

/* ===== 编辑推荐 ===== */
.pick-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:32px;align-items:start}
.pick-hero{display:block;padding:20px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);
box-shadow:var(--shadow);transition:.25s}
.pick-hero:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--glass-2)}
.pick-thumb{aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:var(--bg-700);margin-bottom:16px;
border:1px solid rgba(150,190,255,.12)}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pick-hero:hover .pick-thumb img{transform:scale(1.04)}
.pick-hero h3{font-size:19px;margin:12px 0 8px}
.pick-hero:hover h3{color:var(--accent)}
.pick-hero p{font-size:13.5px;color:var(--ink-500);margin:0}
.pick-list{list-style:none;margin:0;padding:0}
.pick-list li{border-bottom:1px dashed rgba(150,190,255,.18)}
.pick-list li:last-child{border-bottom:none}
.pick-list a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;transition:.2s}
.pick-title{font-size:16px;font-weight:700;color:var(--ink-100);line-height:1.5}
.pick-list a:hover .pick-title{color:var(--accent)}
.pick-date{font-size:12.5px;color:var(--ink-500);white-space:nowrap}

/* ===== 问答 ===== */
.qa-list{margin:0;padding:0}
.qa-item{padding:22px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:280px 1fr;gap:24px}
.qa-item:last-child{border-bottom:1px solid var(--line)}
.qa-item dt{font-size:15.5px;font-weight:800;color:var(--ink-100);line-height:1.6}
.qa-item dd{margin:0;font-size:14px;color:var(--ink-300);line-height:1.8}

/* ===== 订阅条 ===== */
.sub-bar{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
padding:22px 28px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow)}
.sub-text h2{font-size:20px;margin-bottom:4px}
.sub-text p{margin:0;font-size:13.5px;color:var(--ink-500)}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{height:48px;min-width:260px;padding:0 18px;border-radius:12px;background:rgba(5,10,21,.7);
border:1px solid var(--line);color:var(--ink-100);font-size:14px;transition:.2s}
.sub-form input::placeholder{color:var(--ink-500)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(184,255,60,.14)}

/* ===== 结尾横幅 ===== */
.cta-banner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
padding:30px 36px;border-radius:var(--r-lg);border:1px solid rgba(184,255,60,.28);
background:linear-gradient(120deg,rgba(184,255,60,.1),rgba(53,224,192,.06) 60%,transparent),var(--glass)}
.cta-banner p{margin:0;font-size:16px;color:var(--ink-300);max-width:640px}
.cta-banner strong{color:var(--ink-100);font-size:18px;display:block;margin-bottom:4px}

/* ===== 页脚 ===== */
.site-foot{position:relative;z-index:1;background:#040812;border-top:1px solid var(--line);padding:64px 0 24px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.foot-brand p{font-size:13.5px;color:var(--ink-500);line-height:1.85;margin-top:16px;max-width:340px}
.foot-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink-100);margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:var(--ink-500);padding:5px 0}
.foot-col a:hover{color:var(--accent)}
.foot-col p{font-size:13px;color:var(--ink-500);line-height:1.8;margin-bottom:10px}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:var(--ink-500)}
.foot-bottom a{color:var(--ink-500)}
.foot-bottom a:hover{color:var(--accent)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
.sec{padding:80px 0}
.sec--tight{padding:40px 0}
.pick-grid{grid-template-columns:1fr;gap:24px}
.pick-thumb{aspect-ratio:16/9}
.qa-item{grid-template-columns:1fr;gap:8px}
}
@media (max-width:991.98px){
.wrap{padding:0 24px}
.head-links{display:none}
.head-actions{margin-left:auto}
.sec{padding:64px 0}
.sec--tight{padding:36px 0}
.cat-head{padding:44px 0 32px}
.post-grid{grid-template-columns:1fr}
.topic-row{grid-template-columns:1fr;border-top:none}
.topic-item{border-right:none;border-top:1px solid var(--line);padding:22px 0 !important}
.stat-strip{grid-template-columns:repeat(2,1fr)}
.stat-cell:nth-child(2){border-right:none}
.stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
.foot-grid{grid-template-columns:1fr 1fr;gap:28px}
.sub-form input{min-width:0;flex:1 1 200px}
}
@media (max-width:767.98px){
.head-brand{height:56px}
.logo-text{font-size:17px}
.btn-run.btn-sm{height:34px;padding:0 14px;font-size:12.5px}
.chip-scroll{height:44px;gap:8px}
.chip{padding:5px 13px;font-size:12.5px}
.cat-head h1{font-size:clamp(24px,6vw,30px)}
.cat-side{width:100%}
.side-row{flex:1 1 44%}
.post-card{flex-direction:column;gap:14px}
.thumb{width:100%;flex:none;aspect-ratio:16/9}
.sec-head{margin-bottom:24px}
.cta-banner{padding:24px 20px;flex-direction:column;align-items:flex-start;gap:18px}
.sub-bar{padding:20px}
.stat-cell{padding:14px 16px}
.stat-cell .val{font-size:24px}
.foot-grid{grid-template-columns:1fr;gap:24px}
.foot-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575.98px){
.wrap{padding:0 20px}
.sec{padding:52px 0}
.sec--tight{padding:32px 0}
.tag-pill{font-size:12.5px;padding:8px 16px}
.f-chip{font-size:12.5px;padding:6px 14px}
.pick-list a{padding:18px 0}
.pick-title{font-size:15px}
.qa-item dd{font-size:13.5px}
.sub-form{width:100%}
.sub-form input{flex:1 1 100%}
.sub-form .btn-run{width:100%}
}