/* roulang page: index */
:root{
  --c-bg:#070B16;
  --c-bg2:#0B1224;
  --c-bg3:#0E1730;
  --c-primary:#22E3B5;
  --c-secondary:#7B6CFF;
  --c-text:#E8EFFB;
  --c-muted:rgba(226,236,255,.62);
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(255,255,255,.18);
  --c-glass:rgba(255,255,255,.055);
  --r-big:22px;
  --r-md:18px;
  --r-sm:12px;
  --tr:240ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --shadow-soft:0 10px 30px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--tr),opacity var(--tr)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.005em}
h3{font-size:20px;line-height:1.5;font-weight:600}
p{color:var(--c-muted)}
small{font-size:13px;color:rgba(226,236,255,.62)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}
::selection{background:rgba(34,227,181,.3);color:#04121A}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(7,11,22,.18);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background var(--tr),box-shadow var(--tr);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.08);
}
body.is-scrolled .site-header{
  background:rgba(7,11,22,.92);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height var(--tr);
}
body.is-scrolled .nav-inner{height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,rgba(34,227,181,.95),rgba(123,108,255,.9));
  display:grid;place-items:center;color:#04121A;font-size:15px;font-weight:800;
  box-shadow:0 0 18px rgba(34,227,181,.45);
}
.logo-text{letter-spacing:.01em}
.logo-text b{color:var(--c-primary);text-shadow:0 0 14px rgba(34,227,181,.65)}
.logo-text i{font-style:normal;color:rgba(226,236,255,.4);margin:0 2px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px}
.nav-links a{position:relative;padding:6px 0;color:rgba(232,239,251,.78)}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-links a:hover,.nav-links a.active{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--c-line);background:rgba(255,255,255,.04);
  color:rgba(232,239,251,.8);transition:var(--tr);
}
.icon-btn:hover{border-color:rgba(34,227,181,.5);color:var(--c-primary);background:rgba(34,227,181,.08)}
.menu-btn{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:rgba(255,255,255,.04);color:var(--c-text)}
.mobile-drawer{
  position:fixed;top:0;left:0;right:0;z-index:119;
  padding:88px 24px 28px;
  background:rgba(9,14,28,.97);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--c-line);
  transform:translateY(-104%);
  transition:transform 320ms cubic-bezier(.2,.7,.3,1);
  display:none;
}
body.nav-open .mobile-drawer{transform:translateY(0)}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-drawer a.active{color:var(--c-primary)}
.mobile-drawer .btn{margin-top:20px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),border-color var(--tr),color var(--tr);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(105deg,var(--c-primary),var(--c-secondary));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(34,227,181,.35),0 8px 28px rgba(34,227,181,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,227,181,.45),0 12px 36px rgba(34,227,181,.38)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{
  border:1px solid var(--c-line-strong);background:transparent;color:var(--c-text);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(34,227,181,.42);color:var(--c-primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px}
.btn-text svg{transition:transform var(--tr)}
.btn-text:hover svg{transform:translateX(2px)}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 通用组件 ---------- */
.glass-card{
  background:var(--c-glass);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.hoverable:hover{
  transform:translateY(-3px);
  border-color:rgba(34,227,181,.45);
  box-shadow:0 14px 34px rgba(34,227,181,.16);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(34,227,181,.12);color:var(--c-primary);
}
.badge-purple{background:rgba(123,108,255,.16);color:#A79BFF}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;font-weight:600;
  color:var(--c-primary);background:rgba(34,227,181,.08);
  border:1px solid rgba(34,227,181,.28);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  color:rgba(232,239,251,.82);background:rgba(255,255,255,.05);
  border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}
.section{padding:88px 0;position:relative}
.section.band{background:var(--c-bg2)}
.section.band-3{background:var(--c-bg3)}
.sep{position:relative}
.sep::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,227,181,.28),transparent);
}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head p{margin-top:14px;font-size:15.5px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.grad-text{
  background:linear-gradient(100deg,var(--c-primary),var(--c-secondary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;flex-direction:column;justify-content:center;
  padding:132px 0 72px;overflow:hidden;
  background:
    radial-gradient(900px 520px at 78% 14%,rgba(123,108,255,.18),transparent 70%),
    radial-gradient(760px 460px at 10% 82%,rgba(34,227,181,.14),transparent 72%),
    var(--c-bg);
}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/4a19e48c649a3dee.jpg') center/cover no-repeat;
  opacity:.16;filter:saturate(.9);
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 10%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000 10%,transparent 78%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;
  grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-copy h1{margin:18px 0 0}
.hero-copy h1 .line{display:block}
.hero-lead{margin-top:20px;font-size:15.5px;max-width:580px;color:rgba(226,236,255,.72)}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.icon-matrix{
  display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;margin-top:34px;max-width:520px;
}
.icon-matrix li{display:flex;align-items:center;gap:10px}
.icon-matrix .ico{
  width:36px;height:36px;flex:none;border-radius:11px;display:grid;place-items:center;
  border:1px solid rgba(34,227,181,.3);color:var(--c-primary);background:rgba(34,227,181,.08);
}
.icon-matrix b{display:block;font-size:14px;font-weight:600;line-height:1.4}
.icon-matrix span{display:block;font-size:12.5px;color:rgba(226,236,255,.55);line-height:1.4}
.hero-panel{position:relative}
.hero-shot{
  position:relative;border-radius:var(--r-big);overflow:hidden;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.05);
  box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.04) inset;
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(7,11,22,.72));
}
.float-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(11,18,36,.78);border:1px solid rgba(34,227,181,.4);
  color:var(--c-primary);backdrop-filter:blur(8px);
}
.float-badge.alt{left:auto;right:18px;bottom:auto;top:18px;color:#B7ACFF;border-color:rgba(123,108,255,.45)}
.hero-stats{
  position:relative;z-index:2;margin-top:48px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  padding:22px 26px;border-radius:var(--r-md);
}
.hero-stats .item{text-align:center}
.hero-stats .item + .item{border-left:1px solid rgba(255,255,255,.08)}
.stat-num{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--c-primary);
  text-shadow:0 0 18px rgba(34,227,181,.5);font-variant-numeric:tabular-nums;line-height:1.3;
}
.stat-num .unit{font-size:14px;margin-left:2px;color:rgba(34,227,181,.85)}
.hero-stats .lbl{font-size:12.5px;color:rgba(226,236,255,.55)}

/* ---------- 痛点 ---------- */
.pain-list{margin-top:8px}
.pain-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
.pain-item:first-child{padding-top:8px}
.pain-ico{
  width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;
  background:rgba(123,108,255,.12);border:1px solid rgba(123,108,255,.32);color:#A79BFF;
}
.pain-item h3{font-size:17px;margin-bottom:4px}
.pain-item p{font-size:14.5px;max-width:820px}

/* ---------- 双栏能力 ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.media-card{
  position:relative;padding:0;overflow:hidden;border-radius:var(--r-big);
}
.media-card img{width:100%;aspect-ratio:5/4;object-fit:cover;opacity:.92}
.media-card .glow-caption{
  position:absolute;left:20px;right:20px;bottom:20px;
  padding:14px 16px;border-radius:14px;font-size:13.5px;
  background:rgba(11,18,36,.8);border:1px solid rgba(34,227,181,.32);
  color:rgba(232,239,251,.88);backdrop-filter:blur(10px);
}
.ability-list li{
  display:grid;grid-template-columns:62px 1fr;gap:16px;
  padding:20px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
.ability-list li:last-child{border-bottom:0}
.ability-list .num{
  display:inline-grid;place-items:center;height:30px;border-radius:10px;
  border:1px solid rgba(34,227,181,.42);color:var(--c-primary);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.ability-list b{font-size:17px;display:block;margin-bottom:2px}
.ability-list p{font-size:14.5px}

/* ---------- 时间轴 ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px;position:relative;
}
.timeline::before{
  content:"";position:absolute;top:15px;left:6%;right:6%;height:1px;
  background-image:linear-gradient(90deg,rgba(34,227,181,.55) 0 8px,transparent 8px 16px);
  background-size:16px 1px;background-repeat:repeat-x;
}
.step{position:relative;padding-top:46px}
.step .node{
  position:absolute;top:0;left:0;width:31px;height:31px;border-radius:50%;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
  background:rgba(7,11,22,.95);border:1px solid rgba(34,227,181,.6);
  color:var(--c-primary);box-shadow:0 0 16px rgba(34,227,181,.4);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:4px}
.step p{font-size:14px}

/* ---------- 数据带 ---------- */
.stat-band{
  padding:44px 0;
  background:
    radial-gradient(600px 200px at 20% 0%,rgba(123,108,255,.14),transparent 70%),
    radial-gradient(600px 220px at 80% 100%,rgba(34,227,181,.12),transparent 70%),
    var(--c-bg3);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.stat-band .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-band .num{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--c-primary);
  text-shadow:0 0 20px rgba(34,227,181,.55);font-variant-numeric:tabular-nums;line-height:1.25;
}
.stat-band .num small{font-size:15px;color:rgba(34,227,181,.85);margin-left:2px}
.stat-band .cap{font-size:13px;color:rgba(226,236,255,.58);margin-top:2px}

/* ---------- 证言 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.voice-card{padding:24px}
.voice-card:nth-child(2){margin-top:30px}
.voice-card:nth-child(3){margin-top:14px}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  background:linear-gradient(140deg,rgba(34,227,181,.7),rgba(123,108,255,.7));
  display:grid;place-items:center;color:#04121A;font-weight:700;font-size:15px;
}
.voice-head b{display:block;font-size:15px;line-height:1.4}
.voice-head span{display:block;font-size:12.5px;color:rgba(226,236,255,.55)}
.voice-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.voice-card p{font-size:14.5px;color:rgba(226,236,255,.76)}
.stars{color:var(--c-primary);letter-spacing:2px;font-size:13px}

/* ---------- 适用人群 ---------- */
.crowd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.crowd-card{padding:24px}
.crowd-card h3{font-size:17px;margin-bottom:4px}
.crowd-card p{font-size:14px}
.crowd-card .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(34,227,181,.1);border:1px solid rgba(34,227,181,.3);color:var(--c-primary);
}
.crowd-wide{
  grid-column:span 2;padding:0;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;align-items:stretch;
}
.crowd-wide .txt{padding:26px}
.crowd-wide img{width:100%;height:100%;object-fit:cover;opacity:.9}
.crowd-wide .txt h3{margin-bottom:8px}

/* ---------- 专题入口 ---------- */
.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.guide-list li{border-bottom:1px solid rgba(255,255,255,.08)}
.guide-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 2px;font-size:15.5px;color:var(--c-text);
}
.guide-list a:hover{color:var(--c-primary)}
.guide-list .tag{font-size:12.5px;color:rgba(226,236,255,.45)}
.guide-list a:hover .tag{color:var(--c-primary)}
.guide-list .arrow{color:rgba(226,236,255,.4);transition:transform var(--tr),color var(--tr)}
.guide-list a:hover .arrow{transform:translateX(3px);color:var(--c-primary)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-thumb{position:relative;overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px}
.news-body h3{font-size:16.5px;line-height:1.55;margin:10px 0 6px}
.news-body p{font-size:13.8px;color:rgba(226,236,255,.62)}
.news-meta{display:flex;justify-content:space-between;font-size:12.5px;color:rgba(226,236,255,.45);margin-top:14px;font-variant-numeric:tabular-nums}

/* ---------- 城市覆盖 ---------- */
.city-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.city-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.city-pills span{
  padding:6px 14px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--c-line);background:rgba(255,255,255,.04);color:rgba(232,239,251,.82);
  transition:var(--tr);
}
.city-pills span:hover{border-color:rgba(34,227,181,.45);color:var(--c-primary);background:rgba(34,227,181,.08)}
.local-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.08);
}
.local-list li:last-child{border-bottom:0}
.local-list .ico{
  width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:rgba(123,108,255,.12);border:1px solid rgba(123,108,255,.32);color:#A79BFF;
}
.local-list b{display:block;font-size:16px;margin-bottom:2px}
.local-list p{font-size:14px}

/* ---------- 安全 ---------- */
.safety-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.safety-pills{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.safety-pill{
  display:flex;align-items:center;gap:12px;
  padding:16px 18px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);
  font-size:14.5px;font-weight:600;transition:var(--tr);
}
.safety-pill:hover{border-color:rgba(34,227,181,.45);box-shadow:0 0 0 1px rgba(34,227,181,.18),0 10px 26px rgba(34,227,181,.12)}
.safety-pill .ico{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(34,227,181,.12);color:var(--c-primary);flex:none}

/* ---------- 指标面板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.metric-card{padding:24px}
.metric-card .top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.metric-card .val{
  font-size:26px;font-weight:700;color:var(--c-primary);
  text-shadow:0 0 16px rgba(34,227,181,.45);font-variant-numeric:tabular-nums;
}
.metric-card .val.purple{color:#A79BFF;text-shadow:0 0 16px rgba(123,108,255,.45)}
.metric-card .name{font-size:13.5px;color:rgba(226,236,255,.6);margin-top:6px}
.meter{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:16px}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-primary),var(--c-secondary))}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{padding:0;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary)}
.faq-arrow{flex:none;color:rgba(226,236,255,.5);transition:transform var(--tr),color var(--tr)}
.faq-a{padding:0 24px 22px;font-size:14.5px;color:rgba(226,236,255,.68);display:none;line-height:1.9}
.faq-item.open{border-color:rgba(34,227,181,.5);box-shadow:0 0 0 1px rgba(34,227,181,.22),0 14px 34px rgba(34,227,181,.12)}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--c-primary)}
.faq-item.open .faq-q{color:var(--c-primary)}

/* ---------- 结尾 CTA ---------- */
.cta-final{
  position:relative;text-align:center;overflow:hidden;
  padding:96px 0 0;
}
.cta-final .inner{
  position:relative;z-index:2;max-width:760px;margin:0 auto;
  padding-bottom:96px;
}
.cta-final h2{font-size:clamp(26px,3.4vw,40px)}
.cta-final p{margin-top:16px;font-size:15.5px}
.cta-final .actions{display:flex;justify-content:center;gap:14px;margin-top:30px;flex-wrap:wrap}
.cta-final .note{margin-top:16px;font-size:12.8px;color:rgba(226,236,255,.45)}
.cta-final::before{
  content:"";position:absolute;left:50%;bottom:-220px;transform:translateX(-50%);
  width:900px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(34,227,181,.28),rgba(123,108,255,.14),transparent 78%);
  filter:blur(20px);pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg2);border-top:1px solid var(--c-line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;margin-top:14px;max-width:320px}
.footer-col h4{font-size:14px;color:var(--c-text);margin-bottom:14px;font-weight:600;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(226,236,255,.6)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(226,236,255,.45);
}
.footer-bottom a{color:rgba(226,236,255,.6)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links{gap:20px;font-size:14.5px}
  .hero-inner{gap:40px}
}
@media (max-width:992px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero{padding-top:120px;min-height:auto}
  .hero-stats{grid-template-columns:1fr;gap:18px;text-align:left}
  .hero-stats .item{text-align:left}
  .hero-stats .item + .item{border-left:0;border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
  .split,.safety-wrap,.city-wrap{grid-template-columns:1fr;gap:36px}
  .voice-grid{grid-template-columns:1fr 1fr}
  .voice-card:nth-child(2),.voice-card:nth-child(3){margin-top:0}
  .crowd-grid{grid-template-columns:1fr 1fr}
  .crowd-wide{grid-column:span 2}
  .news-grid{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
  .stat-band .grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr;gap:32px 22px}
  .timeline::before{display:none}
}
@media (max-width:768px){
  .nav-links{display:none}
  .menu-btn{display:grid;place-items:center}
  .mobile-drawer{display:block}
  .nav-inner{height:60px;gap:16px}
  body.is-scrolled .nav-inner{height:60px}
  .nav-actions .btn-sm{display:none}
  .section{padding:56px 0}
  .hero{padding:104px 0 56px}
  h1{font-size:30px}
  .hero-actions .btn{width:100%}
  .icon-matrix{grid-template-columns:1fr 1fr;gap:12px}
  .voice-grid{grid-template-columns:1fr}
  .crowd-grid{grid-template-columns:1fr}
  .crowd-wide{grid-column:span 1;grid-template-columns:1fr}
  .crowd-wide img{aspect-ratio:16/10;height:auto}
  .guide-list{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .stat-band .grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .timeline{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 26px 46px}
  .step .node{top:2px}
  .safety-pills{grid-template-columns:1fr}
  .cta-final{padding-top:64px}
  .cta-final .inner{padding-bottom:64px}
  .cta-final .actions .btn{width:100%}
  .faq-q{padding:16px 20px;font-size:15px}
  .faq-a{padding:0 20px 18px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .glass-card{padding:20px}
  .hero-stats{padding:18px}
  .sec-head{margin-bottom:28px}
  .news-body{padding:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
 --c-bg:#070B16;
 --c-bg2:#0B1224;
 --c-bg3:#0E1730;
 --c-primary:#22E3B5;
 --c-secondary:#7B6CFF;
 --c-text:#E8EFFB;
 --c-muted:rgba(226,236,255,.62);
 --c-line:rgba(255,255,255,.10);
 --c-line-strong:rgba(255,255,255,.18);
 --c-glass:rgba(255,255,255,.055);
 --r-big:22px;
 --r-md:18px;
 --r-sm:12px;
 --tr:240ms cubic-bezier(.2,.7,.3,1);
 --container:1200px;
 --shadow-soft:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;background:var(--c-bg);color:var(--c-text);
 font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--tr),opacity var(--tr)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ================= 顶部导航 ================= */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 background:rgba(7,11,22,.18);
 backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
 transition:background var(--tr),box-shadow var(--tr);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.08)}
body.is-scrolled .site-header{background:rgba(7,11,22,.92);box-shadow:0 12px 34px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--tr)}
body.is-scrolled .nav-inner{height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap}
.logo-mark{
 width:34px;height:34px;border-radius:11px;flex:none;
 background:linear-gradient(135deg,rgba(34,227,181,.95),rgba(123,108,255,.9));
 display:grid;place-items:center;color:#04121A;font-size:15px;font-weight:800;
 box-shadow:0 0 18px rgba(34,227,181,.45);
}
.logo-text{letter-spacing:.01em}
.logo-text b{color:var(--c-primary);text-shadow:0 0 14px rgba(34,227,181,.65)}
.logo-text i{font-style:normal;color:rgba(226,236,255,.4);margin:0 2px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px}
.nav-links a{position:relative;padding:6px 0;color:rgba(232,239,251,.78)}
.nav-links a::after{
 content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
 background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-links a:hover,.nav-links a.active{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 border:1px solid var(--c-line);background:rgba(255,255,255,.04);
 color:rgba(232,239,251,.8);transition:var(--tr);
}
.icon-btn:hover{border-color:rgba(34,227,181,.5);color:var(--c-primary);background:rgba(34,227,181,.08)}
.menu-btn{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:rgba(255,255,255,.04);color:var(--c-text);place-items:center}
.mobile-drawer{
 position:fixed;top:0;left:0;right:0;z-index:119;
 padding:88px 24px 28px;background:rgba(9,14,28,.97);
 backdrop-filter:blur(18px);border-bottom:1px solid var(--c-line);
 transform:translateY(-104%);transition:transform 320ms cubic-bezier(.2,.7,.3,1);display:none;
}
body.nav-open .mobile-drawer{transform:translateY(0)}
.mobile-drawer a{display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07)}
.mobile-drawer a.active{color:var(--c-primary)}
.mobile-drawer .btn{margin-top:20px;width:100%}

/* ================= 按钮套装 ================= */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:48px;padding:0 22px;border-radius:var(--r-sm);
 font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
 transition:transform var(--tr),box-shadow var(--tr),background var(--tr),border-color var(--tr),color var(--tr);
}
.btn-primary{
 background:linear-gradient(105deg,var(--c-primary),var(--c-secondary));color:#04121A;
 box-shadow:0 0 0 1px rgba(34,227,181,.35),0 8px 28px rgba(34,227,181,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,227,181,.45),0 12px 36px rgba(34,227,181,.38)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{border:1px solid var(--c-line-strong);background:transparent;color:var(--c-text)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(34,227,181,.42);color:var(--c-primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px}
.btn-text svg{transition:transform var(--tr)}
.btn-text:hover svg{transform:translateX(2px)}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}

/* ================= 通用组件 ================= */
.glass-card{
 background:var(--c-glass);border:1px solid var(--c-line);border-radius:var(--r-md);
 backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
 transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.badge{
 display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.02em;
 background:rgba(34,227,181,.12);color:var(--c-primary);
}
.badge-purple{background:rgba(123,108,255,.16);color:#A79BFF}
.eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:.14em;font-weight:600;
 color:var(--c-primary);background:rgba(34,227,181,.08);
 border:1px solid rgba(34,227,181,.28);padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid transparent;border-image:linear-gradient(90deg,transparent,rgba(34,227,181,.25),transparent) 1}
.band{background:var(--c-bg2)}
.num{font-variant-numeric:tabular-nums}
.anchor{display:block;position:relative;top:-90px;height:0;visibility:hidden}

/* ================= 分类页头 ================= */
.cat-hero{
 position:relative;overflow:hidden;padding:128px 0 52px;min-height:320px;
 background:
  radial-gradient(680px 340px at 12% 0%,rgba(34,227,181,.10),transparent 70%),
  radial-gradient(720px 380px at 88% 18%,rgba(123,108,255,.16),transparent 72%),
  var(--c-bg);
 border-bottom:1px solid var(--c-line);
}
.cat-hero::after{
 content:"";position:absolute;right:-140px;top:-90px;width:620px;height:440px;pointer-events:none;
 background:linear-gradient(120deg,rgba(123,108,255,.30),rgba(34,227,181,.07) 58%,transparent 76%);
 transform:rotate(-14deg);filter:blur(6px);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 330px;gap:52px;align-items:end}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span{opacity:.5}
.cat-hero h1{font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.18;letter-spacing:-.01em}
.cat-hero h1 em{font-style:normal;color:var(--c-primary);text-shadow:0 0 22px rgba(34,227,181,.35)}
.cat-hero-lead{margin-top:18px;max-width:62ch;font-size:15.5px;color:var(--c-muted);line-height:1.9}
.cat-hero-lead b{color:rgba(232,239,251,.9);font-weight:600}
.cat-stats{
 padding:20px 22px;border-radius:var(--r-md);
 background:rgba(255,255,255,.05);border:1px solid var(--c-line);
 backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
}
.cat-stats h2{font-size:13px;letter-spacing:.12em;color:rgba(226,236,255,.55);font-weight:600;margin-bottom:8px}
.stat-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.stat-item:last-child{border-bottom:0;padding-bottom:0}
.stat-item .k{font-size:13px;color:var(--c-muted)}
.stat-item .v{font-size:18px;font-weight:700;color:var(--c-primary);text-shadow:0 0 16px rgba(34,227,181,.35)}
.stat-item .v.purple{color:#A79BFF;text-shadow:0 0 16px rgba(123,108,255,.4)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.tag-row .badge{height:22px;font-size:12px}

/* ================= 筛选条 ================= */
.filter-bar{
 position:sticky;top:62px;z-index:60;
 background:rgba(7,11,22,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid var(--c-line);
}
.filter-inner{display:flex;align-items:center;gap:14px;padding:14px 0;flex-wrap:wrap}
.filter-hint{font-size:13px;color:var(--c-muted);margin-right:4px}
.chip{
 height:36px;padding:0 16px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;
 font-size:14px;font-weight:600;color:rgba(232,239,251,.8);
 background:rgba(255,255,255,.04);border:1px solid var(--c-line);
 transition:var(--tr);
}
.chip:hover{border-color:rgba(34,227,181,.55);color:var(--c-primary)}
.chip.is-active{background:rgba(34,227,181,.14);border-color:rgba(34,227,181,.6);color:var(--c-primary);box-shadow:0 0 18px rgba(34,227,181,.18)}
.chip:active{transform:translateY(1px)}

/* ================= 卡片网格 ================= */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
 display:flex;flex-direction:column;padding:14px;border-radius:var(--r-md);
 background:var(--c-glass);border:1px solid var(--c-line);
 backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
 transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(34,227,181,.45);box-shadow:0 0 0 1px rgba(34,227,181,.16),0 18px 38px rgba(0,0,0,.42)}
.post-thumb{
 position:relative;aspect-ratio:16/10;border-radius:12px;overflow:hidden;
 background:rgba(255,255,255,.04);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 460ms cubic-bezier(.2,.7,.3,1)}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-card:hover .post-thumb{box-shadow:inset 0 0 0 1px rgba(34,227,181,.45)}
.post-body{display:flex;flex-direction:column;gap:10px;padding:16px 6px 6px;flex:1}
.post-title{
 font-size:17px;font-weight:650;line-height:1.55;color:var(--c-text);
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--c-primary)}
.post-meta{
 margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
 font-size:12.5px;color:rgba(226,236,255,.55);font-variant-numeric:tabular-nums;
}
.post-meta .dotsep{width:3px;height:3px;border-radius:50%;background:rgba(226,236,255,.28);display:inline-block;vertical-align:middle;margin:0 6px}
/* 特色卡 */
.post-card--feature{grid-column:span 2;flex-direction:row;gap:18px;align-items:stretch;padding:16px}
.post-card--feature .post-thumb{width:50%;flex:0 0 50%;aspect-ratio:auto;min-height:250px;margin:0}
.post-card--feature .post-body{padding:6px 6px 6px 0;justify-content:center}
.post-card--feature .post-title{font-size:clamp(19px,2.1vw,24px);font-weight:700;-webkit-line-clamp:3;line-height:1.45}
.post-card--feature .post-excerpt{font-size:14px;color:var(--c-muted);line-height:1.8}
.more-wrap{display:flex;justify-content:center;margin-top:40px}

/* ================= 分类导读 ================= */
.guide-inner{display:grid;grid-template-columns:30% 1fr;gap:44px;align-items:start}
.guide-side .eyebrow{margin-bottom:12px}
.guide-side h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35}
.guide-side p{margin-top:12px;font-size:13.5px;color:var(--c-muted)}
.guide-main p{font-size:15.5px;color:rgba(232,239,251,.84);line-height:1.95;margin-bottom:14px}
.checklist{margin-top:22px;border-top:1px solid var(--c-line)}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--c-line);font-size:14.5px;color:rgba(232,239,251,.82)}
.checklist li::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-primary);margin-top:14px;flex:none;box-shadow:0 0 10px rgba(34,227,181,.6)}
.checklist li b{color:var(--c-text);font-weight:600}

/* ================= 精选推荐 ================= */
.picks-panel{
 padding:10px 26px;border-radius:var(--r-big);
 background:rgba(255,255,255,.05);border:1px solid var(--c-line);
 backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
}
.pick-item{
 display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
 padding:22px 0;border-bottom:1px solid var(--c-line);
 transition:var(--tr);
}
.pick-item:last-child{border-bottom:0}
.pick-num{
 font-size:13px;font-weight:700;color:var(--c-primary);
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 border:1px solid rgba(34,227,181,.35);background:rgba(34,227,181,.08);
 font-variant-numeric:tabular-nums;transition:var(--tr);
}
.pick-item:hover .pick-num{background:rgba(34,227,181,.18);box-shadow:0 0 18px rgba(34,227,181,.25)}
.pick-title{font-size:16.5px;font-weight:650;color:var(--c-text);transition:color var(--tr)}
.pick-item:hover .pick-title{color:var(--c-primary)}
.pick-desc{font-size:13.5px;color:var(--c-muted);margin-top:4px;line-height:1.7}
.pick-arrow{color:rgba(226,236,255,.35);transition:transform var(--tr),color var(--tr)}
.pick-item:hover .pick-arrow{transform:translateX(4px);color:var(--c-primary)}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
 background:var(--c-glass);border:1px solid var(--c-line);border-radius:14px;
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
 overflow:hidden;
}
.faq-item.open{border-color:rgba(34,227,181,.55);box-shadow:0 0 0 1px rgba(34,227,181,.18),0 12px 30px rgba(0,0,0,.32);background:rgba(34,227,181,.05)}
.faq-q{
 width:100%;display:flex;align-items:center;gap:14px;justify-content:space-between;
 padding:16px 18px;font-size:15px;font-weight:600;text-align:left;color:var(--c-text);
}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-q .caret{flex:none;transition:transform var(--tr);color:rgba(226,236,255,.5)}
.faq-item.open .caret{transform:rotate(180deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.2,.7,.3,1)}
.faq-a p{padding:0 18px 16px;font-size:14px;color:var(--c-muted);line-height:1.85}

/* ================= 相关阅读 ================= */
.related-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
.related-list{border-top:1px solid var(--c-line)}
.related-list li{border-bottom:1px solid var(--c-line)}
.related-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 2px;font-size:15px;color:rgba(232,239,251,.86);transition:var(--tr)}
.related-list a:hover{color:var(--c-primary);padding-left:6px}
.related-list .rt{font-size:12.5px;color:rgba(226,236,255,.45);white-space:nowrap;font-variant-numeric:tabular-nums}
.cta-mini{
 padding:26px 24px;border-radius:var(--r-big);
 background:linear-gradient(160deg,rgba(34,227,181,.10),rgba(123,108,255,.10)),rgba(255,255,255,.04);
 border:1px solid rgba(34,227,181,.28);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-mini h3{font-size:19px;font-weight:700;line-height:1.45}
.cta-mini p{margin-top:10px;font-size:13.5px;color:var(--c-muted);line-height:1.85}
.cta-mini .btn{margin-top:20px;width:100%}

/* ================= 页脚 ================= */
.site-footer{border-top:1px solid var(--c-line);background:var(--c-bg2);padding:64px 0 24px;position:relative}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--c-muted);line-height:1.9;max-width:36ch}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col li a{font-size:14px;color:var(--c-muted);display:inline-block;padding:5px 0}
.footer-col li a:hover{color:var(--c-primary)}
.footer-bottom{
 margin-top:36px;padding-top:20px;border-top:1px solid var(--c-line);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:rgba(226,236,255,.5);
}
.footer-bottom a{color:rgba(226,236,255,.62)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ================= 进入视口淡入 ================= */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 620ms cubic-bezier(.2,.7,.3,1),transform 620ms cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
 .reveal{opacity:1;transform:none;transition:none}
 html{scroll-behavior:auto}
}

/* ================= 响应式 ================= */
@media (max-width:1200px){
 .cat-hero-inner{grid-template-columns:1fr 300px;gap:36px}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:992px){
 .nav-links{display:none}
 .menu-btn{display:grid}
 .mobile-drawer{display:block}
 .section{padding:64px 0}
 .cat-hero{padding:112px 0 44px}
 .cat-hero-inner{grid-template-columns:1fr;gap:28px;align-items:start}
 .cat-stats{max-width:460px}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .post-card--feature{grid-column:span 2}
 .guide-inner{grid-template-columns:1fr;gap:24px}
 .related-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .container{padding:0 20px}
 .section{padding:56px 0}
 .nav-inner{height:60px;gap:14px}
 body.is-scrolled .nav-inner{height:56px}
 .logo{font-size:15.5px}
 .logo-mark{width:30px;height:30px;font-size:14px;border-radius:9px}
 .nav-actions .btn-primary{display:none}
 .cat-hero{padding:96px 0 36px;min-height:auto}
 .cat-hero h1{font-size:30px}
 .cat-hero-lead{font-size:14.5px}
 .filter-bar{top:56px}
 .filter-inner{padding:12px 0;gap:10px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
 .filter-inner::-webkit-scrollbar{display:none}
 .filter-hint{display:none}
 .post-grid{grid-template-columns:1fr}
 .post-card--feature{grid-column:span 1;flex-direction:column;gap:0;padding:14px}
 .post-card--feature .post-thumb{width:100%;flex:none;aspect-ratio:16/10;min-height:0;margin:0}
 .post-card--feature .post-body{padding:16px 6px 6px}
 .post-card--feature .post-title{font-size:19px}
 .post-card{padding:14px}
 .post-body{padding:14px 4px 4px}
 .picks-panel{padding:4px 18px}
 .pick-item{grid-template-columns:auto 1fr;gap:14px;padding:18px 0}
 .pick-arrow{display:none}
 .faq-q{font-size:14.5px;padding:15px 16px}
 .related-grid{gap:22px}
 .cta-mini .btn,.more-wrap .btn{width:100%}
 .more-wrap{margin-top:30px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:560px){
 .cat-stats{padding:16px 16px}
 .badge{font-size:12px}
 .post-meta{font-size:12px}
 .stat-item .v{font-size:17px}
}