/* roulang page: index */
:root{
  --jade:#12C2A0;
  --jade-deep:#0B9179;
  --jade-light:#35E0BF;
  --steel:#24405E;
  --steel-light:#3A6187;
  --amber:#FFB03A;
  --bg-0:#070C12;
  --bg-1:#0E1620;
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  --glass-border:rgba(255,255,255,.09);
  --txt:#C7D2DC;
  --head:#F2F6F9;
  --muted:#8A99A8;
  --paper:#F7F8F6;
  --card:#FFFFFF;
  --ink:#2A333D;
  --ink-head:#0F1720;
  --ink-muted:#6B7784;
  --ok:#1FB57A;
  --r-sm:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-dark:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-light:0 6px 24px rgba(15,23,32,.07);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--txt);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;border:1px solid rgba(255,255,255,.08)}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{color:var(--head);margin:0;line-height:1.25;font-weight:700}
h1{font-size:clamp(34px,4.4vw,52px);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(26px,3vw,34px);font-weight:700}
h3{font-size:clamp(18px,1.7vw,21px);font-weight:600;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid rgba(18,194,160,.55);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,194,160,.35);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0;position:relative}
.section--paper{background:var(--paper);color:var(--ink)}
.section--paper h2,.section--paper h3{color:var(--ink-head)}
.section--dark{background:var(--bg-0)}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(18,194,160,.4),transparent)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:16px;z-index:120;pointer-events:none}
.nav-wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;pointer-events:auto}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 10px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(11,19,27,.74);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.38);
  transition:height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.nav-shell.is-shrunk{height:56px;background:rgba(9,16,23,.9);box-shadow:0 14px 36px rgba(0,0,0,.5)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(160deg,rgba(18,194,160,.22),rgba(18,194,160,.06));
  border:1px solid rgba(18,194,160,.5);
  color:var(--jade-light);font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;color:var(--head);letter-spacing:.2px;white-space:nowrap}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--txt);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--head);background:rgba(255,255,255,.06)}
.nav-links a.is-active{color:var(--jade-light)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--jade);
}
.nav-cta{
  flex-shrink:0;display:inline-flex;align-items:center;gap:7px;
  padding:11px 20px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:#04140F;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 22px rgba(18,194,160,.32);
  transition:filter .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{filter:brightness(1.07);box-shadow:0 10px 30px rgba(18,194,160,.46);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.32)}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border-radius:var(--r-pill);border:1px solid var(--glass-border);
  background:rgba(255,255,255,.05);color:var(--head);font-size:16px;
  cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(18,194,160,.16);border-color:rgba(18,194,160,.4)}
.nav-drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(5,9,14,.96);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:26px 24px 40px;
  display:none;flex-direction:column;
}
.nav-drawer.is-open{display:flex}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--glass-border);background:rgba(255,255,255,.05);
  color:var(--head);font-size:18px;cursor:pointer;
}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:17px;color:var(--head);font-weight:600;
}
.nav-drawer a.drawer-link i{color:var(--jade);font-size:13px}
.nav-drawer .drawer-cta{margin-top:26px;width:100%;justify-content:center;min-height:52px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:linear-gradient(180deg,#1AD3AE,#0DA88A);color:#04140F;box-shadow:0 8px 26px rgba(18,194,160,.35)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 10px 34px rgba(18,194,160,.5);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.34)}
.btn-ghost{background:transparent;border-color:var(--steel-light);color:var(--head)}
.btn-ghost:hover{background:rgba(36,64,94,.38);border-color:var(--jade);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.section--paper .btn-ghost{border-color:#C9D2D9;color:var(--ink-head)}
.section--paper .btn-ghost:hover{background:#EDF2F1;border-color:var(--jade)}
.btn-sm{padding:11px 20px;font-size:14px}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--glass-border);color:var(--jade-light);
}
.badge--amber{background:rgba(255,176,58,.12);border-color:rgba(255,176,58,.4);color:var(--amber)}
.tag{
  display:inline-block;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(18,194,160,.12);
  border:1px solid rgba(18,194,160,.3);color:var(--jade-light);
}
.section--paper .tag{background:rgba(11,145,121,.1);border-color:rgba(11,145,121,.28);color:var(--jade-deep)}
.tag--steel{background:rgba(36,64,94,.35);border-color:rgba(58,97,135,.6);color:#A9BED2}
.tag--amber{background:rgba(255,176,58,.14);border-color:rgba(255,176,58,.42);color:var(--amber)}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 92px;
  background:
    radial-gradient(880px 460px at 16% -6%,rgba(18,194,160,.17),transparent 62%),
    radial-gradient(680px 420px at 92% 12%,rgba(36,64,94,.55),transparent 66%),
    var(--bg-0);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,194,160,.45),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{margin:20px 0 18px}
.hero-copy h1 em{font-style:normal;color:var(--jade-light)}
.lede{font-size:17px;color:var(--txt);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px}
.metric{
  flex:1 1 150px;min-width:140px;
  padding:16px 18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.metric:hover{border-color:rgba(18,194,160,.35);transform:translateY(-2px)}
.metric b{display:block;font-size:22px;color:var(--jade-light);font-variant-numeric:tabular-nums;line-height:1.3}
.metric span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.hero-visual .frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border:0}
.hero-visual .frame::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(420px 240px at 22% 12%,rgba(18,194,160,.34),transparent 68%),
             linear-gradient(180deg,rgba(7,12,18,0) 42%,rgba(7,12,18,.85));
}
.float-card{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:3;
  padding:16px 18px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(12px);
  display:flex;align-items:center;gap:14px;
}
.float-card .dot{
  width:10px;height:10px;border-radius:50%;flex-shrink:0;
  background:var(--jade);box-shadow:0 0 0 5px rgba(18,194,160,.16);
}
.float-card p{margin:0;font-size:13.5px;color:#DCE6EE}
.float-card strong{color:#fff}

/* ============ 品牌主张带 ============ */
.claim-band{padding:80px 0 88px;background:var(--bg-1)}
.claim-line{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--head);
  letter-spacing:-.3px;margin:0 0 44px;max-width:22em;
}
.claim-line span{color:var(--jade)}
.offset-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.offset-cards .glass-card{
  padding:28px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.offset-cards .glass-card:nth-child(1){margin-top:0}
.offset-cards .glass-card:nth-child(2){margin-top:34px}
.offset-cards .glass-card:nth-child(3){margin-top:68px}
.offset-cards .glass-card:hover{border-color:rgba(18,194,160,.4);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.4)}
.offset-cards .icon{
  width:44px;height:44px;border-radius:var(--r-sm);display:grid;place-items:center;
  font-size:18px;color:var(--jade-light);margin-bottom:18px;
  background:rgba(18,194,160,.12);border:1px solid rgba(18,194,160,.32);
}
.offset-cards h3{margin-bottom:10px}
.offset-cards p{font-size:14.5px;color:var(--muted);margin:0}

/* ============ 故事区 ============ */
.story{background:var(--paper);color:var(--ink);padding:96px 0}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-light);border:1px solid #E4E9E7}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.2px;
  color:var(--jade-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--jade)}
.section--dark .eyebrow{color:var(--jade-light)}
.story h2{margin-bottom:18px}
.story p{color:var(--ink-muted);font-size:15.5px}
.timeline{margin-top:30px;border-left:1px solid #DDE4E2;padding-left:22px}
.timeline li{position:relative;padding-bottom:22px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:7px;
  width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--jade);
}
.timeline strong{display:block;color:var(--ink-head);font-size:15px;font-weight:600;margin-bottom:3px}
.timeline span{font-size:14px;color:var(--ink-muted)}

/* ============ 精选内容卡（深色） ============ */
.picks{background:var(--bg-0);padding:96px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px;flex-wrap:wrap}
.section-head p{max-width:46em;font-size:15px;color:var(--muted);margin:10px 0 0}
.section--paper .section-head p{color:var(--ink-muted)}
.picks-grid{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:repeat(2,auto);gap:24px}
.pick-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-1);border:1px solid var(--glass-border);
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.pick-card:hover{border-color:rgba(18,194,160,.4);transform:translateY(-4px);box-shadow:0 20px 44px rgba(0,0,0,.5)}
.pick-card img{width:100%;object-fit:cover;border:0}
.pick-card--lg{grid-row:span 2}
.pick-card--lg img{aspect-ratio:16/10}
.pick-card--sm{flex-direction:row}
.pick-card--sm img{width:42%;aspect-ratio:1/1;flex-shrink:0}
.pick-body{padding:22px 24px}
.pick-card--lg .pick-body{padding:26px 28px 30px}
.pick-body h3{margin:12px 0 10px}
.pick-body p{font-size:14.5px;color:var(--muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--jade-light)}
.arrow-link i{transition:transform .22s var(--ease)}
.pick-card:hover .arrow-link i{transform:translateX(4px)}

/* ============ 最新信息（CMS 位） ============ */
.news{background:var(--paper);color:var(--ink);padding:96px 0}
.news-lead{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  border-radius:var(--r-card);overflow:hidden;background:var(--card);
  border:1px solid #E3E9E7;box-shadow:var(--sh-light);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.news-lead:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(15,23,32,.12)}
.news-lead-media{overflow:hidden}
.news-lead-media img{width:100%;height:100%;min-height:280px;object-fit:cover;border:0}
.news-lead-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center}
.news-lead-body h3{margin:14px 0 12px;font-size:clamp(20px,2vw,24px)}
.news-lead-body p{color:var(--ink-muted);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{font-size:13px;color:var(--ink-muted);font-variant-numeric:tabular-nums;letter-spacing:.2px}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.news-mini{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--card);border:1px solid #E3E9E7;box-shadow:var(--sh-light);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-mini:hover{transform:translateY(-3px);border-color:rgba(18,194,160,.5);box-shadow:0 14px 32px rgba(15,23,32,.11)}
.news-mini .num{
  flex-shrink:0;width:38px;height:38px;border-radius:var(--r-sm);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  background:rgba(11,145,121,.1);color:var(--jade-deep);
  border:1px solid rgba(11,145,121,.25);
  font-variant-numeric:tabular-nums;
}
.news-mini h3{font-size:16.5px;margin:0 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini p{font-size:13.5px;color:var(--ink-muted);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  padding:56px 28px;text-align:center;border-radius:var(--r-card);
  background:var(--card);border:1px dashed #CBD6D3;color:var(--ink-muted);
}
.empty-state i{display:block;font-size:26px;color:#A9BDB8;margin-bottom:14px}
.empty-state p{margin:0 0 18px;font-size:15px}

/* ============ 信任背书 ============ */
.trust{background:var(--bg-1);padding:96px 0}
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px}
.stat{
  padding:26px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);
}
.stat b{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--amber);line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.quote{
  display:flex;gap:16px;padding:24px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
}
.quote .initial{
  width:44px;height:44px;flex-shrink:0;border-radius:var(--r-sm);
  display:grid;place-items:center;font-weight:700;font-size:16px;
  color:var(--jade-light);background:rgba(18,194,160,.12);
  border:1px solid rgba(18,194,160,.3);
}
.quote p{font-size:14.5px;margin:0 0 8px;color:#D5DFE7}
.quote .meta{color:var(--muted)}

/* ============ FAQ ============ */
.faq{background:var(--paper);color:var(--ink);padding:96px 0}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid #E3E9E7;border-radius:var(--r-card);
  box-shadow:var(--sh-light);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s var(--ease);
}
.faq-item[open]{border-color:rgba(18,194,160,.5)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:18px 24px;
  font-size:16.5px;font-weight:600;color:var(--ink-head);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  color:var(--jade-deep);background:rgba(11,145,121,.1);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item[open] summary .chev{transform:rotate(180deg);background:rgba(11,145,121,.2)}
.faq-item .answer{padding:0 24px 22px;color:var(--ink-muted);font-size:15px;line-height:1.8}

/* ============ 订阅 CTA ============ */
.subscribe{
  position:relative;padding:96px 0;
  background:
    radial-gradient(760px 400px at 50% 0%,rgba(18,194,160,.22),transparent 66%),
    var(--bg-0);
  overflow:hidden;
}
.subscribe::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.subscribe .container{position:relative;z-index:2}
.subscribe-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  padding:44px 46px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(12px);
}
.subscribe-box h2{margin-bottom:14px}
.subscribe-box p{color:var(--txt);font-size:15px}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.field{flex:1 1 240px;min-width:0;display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--muted)}
.field input{
  width:100%;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);
  color:var(--head);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:#6C7C8B}
.field input:focus{
  outline:none;border-color:var(--jade);
  box-shadow:0 0 0 3px rgba(18,194,160,.2);background:rgba(255,255,255,.08);
}
.field .hint{font-size:12.5px;color:var(--jade-light)}

/* ============ 页脚 ============ */
.site-footer{background:#05080C;color:var(--muted);padding:0 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:70px 0 46px;
}
.footer-grid h4{color:var(--head);font-size:15px;font-weight:700;margin:0 0 18px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:30em}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--jade-light);padding-left:4px}
.footer-contact li{font-size:14px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--jade);margin-top:4px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;
}
.footer-bottom span{font-variant-numeric:tabular-nums}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:150;
  width:46px;height:46px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  color:#04140F;font-size:15px;border:0;cursor:pointer;
  box-shadow:0 10px 28px rgba(18,194,160,.4);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.07);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 20px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hero{padding:126px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual .frame img{aspect-ratio:16/9}
  .section,.story,.picks,.news,.trust,.faq,.subscribe{padding:72px 0}
  .claim-band{padding:64px 0}
  .picks-grid{grid-template-columns:1fr 1fr}
  .pick-card--lg{grid-column:span 2;grid-row:auto}
  .pick-card--sm{flex-direction:column}
  .pick-card--sm img{width:100%;aspect-ratio:16/9}
  .trust-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .subscribe-box{grid-template-columns:1fr;gap:32px;padding:36px 32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section,.story,.picks,.news,.trust,.faq,.subscribe{padding:48px 0}
  .hero{padding:110px 0 56px}
  h1{letter-spacing:-.2px}
  .offset-cards{grid-template-columns:1fr;gap:16px}
  .offset-cards .glass-card:nth-child(2),
  .offset-cards .glass-card:nth-child(3){margin-top:0}
  .story-grid{grid-template-columns:1fr;gap:36px}
  .story-media{order:2}
  .picks-grid{grid-template-columns:1fr}
  .pick-card--lg{grid-column:auto}
  .news-lead{grid-template-columns:1fr}
  .news-lead-media img{min-height:200px;aspect-ratio:16/9}
  .news-lead-body{padding:26px 24px}
  .news-grid{grid-template-columns:1fr}
  .trust-stats{grid-template-columns:1fr 1fr;gap:14px}
  .quotes{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .form-row .btn{width:100%}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-item .answer{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:54px 0 34px}
  .subscribe-box{padding:28px 22px}
  .to-top{right:14px;bottom:16px}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .brand-text span{display:none}
  .hero-visual .frame img{aspect-ratio:4/3}
  .trust-stats{grid-template-columns:1fr}
  .badge{font-size:12px}
  .metric{flex:1 1 100%}
}

/* roulang page: article */
:root{
  --brand:#12C2A0;
  --brand-deep:#0B9179;
  --brand-light:#35E0BF;
  --steel:#24405E;
  --steel-light:#3A6187;
  --gold:#FFB03A;
  --bg-0:#070C12;
  --bg-1:#0E1620;
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.09);
  --ink:#F2F6F9;
  --ink-2:#C7D2DC;
  --ink-3:#8A99A8;
  --paper:#F7F8F6;
  --paper-ink:#2A333D;
  --paper-head:#0F1720;
  --paper-sub:#6B7784;
  --line-paper:rgba(15,23,32,.09);
  --ok:#1FB57A;
  --warn:#FFB03A;
  --danger:#E4573D;
  --info:#3A83C4;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-dark:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-paper:0 6px 24px rgba(15,23,32,.07);
  --glow:0 8px 26px rgba(18,194,160,.35);
  --c:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
::selection{background:rgba(18,194,160,.35);color:#fff;}
:focus-visible{outline:2px solid rgba(18,194,160,.55);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--c);margin:0 auto;padding:0 20px;}
.narrow{max-width:820px;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 0;}
.nav-wrap{max-width:1160px;margin:0 auto;padding:0 20px;}
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 14px 0 16px;
  border-radius:var(--r-pill);
  background:rgba(9,15,22,.74);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 32px rgba(0,0,0,.38);
  transition:height .3s ease,background .3s ease,box-shadow .3s ease;
}
.nav-shell.is-scrolled{height:56px;background:rgba(7,12,18,.92);box-shadow:0 16px 36px rgba(0,0,0,.5);}
.brand{display:flex;align-items:center;gap:11px;flex:none;}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,#1AD3AE,#0B9179);
  color:#04211B;
  font-size:16px;
  box-shadow:0 6px 18px rgba(18,194,160,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:var(--ink);font-size:15px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;}
.brand-text span{color:var(--ink-3);font-size:11px;letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 13px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-3);
  white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.06);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light));
}
.nav-cta{
  flex:none;
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:#04211B;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:var(--glow);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.nav-cta:hover{filter:brightness(1.06);box-shadow:0 10px 34px rgba(18,194,160,.45);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.3);}
.nav-toggle{
  display:none;
  width:42px;height:42px;flex:none;
  border:1px solid var(--glass-line);
  border-radius:12px;
  background:rgba(255,255,255,.05);
  color:var(--ink);
  cursor:pointer;place-items:center;
  transition:background .25s ease,border-color .25s ease;
}
.nav-toggle:hover{background:rgba(18,194,160,.14);border-color:rgba(18,194,160,.4);}

/* ============ 页面顶部深色区 ============ */
.page-head{
  position:relative;
  margin-top:-80px;
  padding:150px 0 72px;
  background:
    radial-gradient(760px 340px at 12% 0%,rgba(18,194,160,.16),transparent 65%),
    linear-gradient(180deg,#0B131C 0%,var(--bg-0) 100%);
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(7,12,18,.9) 100%);
}
.page-head .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:26px;}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand-light);}
.crumbs i{font-size:10px;opacity:.6;}
.crumbs .now{color:var(--ink-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(18,194,160,.12);
  border:1px solid rgba(18,194,160,.3);
  color:var(--brand-light);
}
.chip.gold{background:rgba(255,176,58,.12);border-color:rgba(255,176,58,.34);color:var(--gold);}
.page-head h1{
  margin:18px 0 0;
  font-size:clamp(28px,4vw,50px);
  font-weight:800;
  letter-spacing:-.5px;
  color:#FFFFFF;
  max-width:940px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;font-size:13.5px;color:var(--ink-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.meta-row i{color:var(--brand);font-size:12.5px;}
.cover-wrap{
  margin-top:38px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-dark);
  aspect-ratio:16/9;
  background:var(--bg-1);
}
.cover-wrap img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文阅读区 ============ */
.reading{
  background:var(--paper);
  padding:74px 0 88px;
  color:var(--paper-ink);
}
.reading-grid{
  max-width:var(--c);
  margin:0 auto;
  padding:0 20px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 250px;
  gap:40px;
  align-items:start;
}
.paper-card{
  background:#fff;
  border-radius:var(--r-lg);
  border:1px solid var(--line-paper);
  box-shadow:var(--shadow-paper);
  padding:clamp(26px,4vw,52px);
  max-width:820px;
  width:100%;
}
.article-body{font-size:16.5px;line-height:1.85;color:var(--paper-ink);}
.article-body > * + *{margin-top:1em;}
.article-body h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  color:var(--paper-head);
  margin-top:44px;
  padding-left:14px;
  border-left:4px solid var(--brand);
  letter-spacing:-.3px;
}
.article-body h3{
  font-size:clamp(17px,2vw,20px);
  font-weight:600;
  color:var(--paper-head);
  margin-top:30px;
}
.article-body p{color:var(--paper-ink);}
.article-body strong{color:var(--paper-head);font-weight:700;}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(11,145,121,.35);}
.article-body a:hover{color:var(--brand);}
.article-body ul,.article-body ol{padding-left:22px;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-top:9px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(18,194,160,.14);
}
.article-body ol{list-style:decimal;color:var(--paper-ink);}
.article-body ol li{margin-top:9px;padding-left:6px;}
.article-body ol li::marker{color:var(--brand-deep);font-weight:700;}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(18,194,160,.07);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#22453C;
  font-size:15.5px;
}
.article-body img{border-radius:var(--r-md);border:1px solid var(--line-paper);margin:26px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13.5px;color:var(--paper-sub);text-align:center;margin-top:10px;}
.article-body pre{
  background:#0B131C;color:#D6E4EC;
  border-radius:var(--r-sm);
  padding:18px 20px;overflow:auto;
  font-size:14px;line-height:1.7;
}
.article-body code{
  background:rgba(15,23,32,.06);
  border-radius:6px;padding:2px 6px;
  font-size:14px;color:#0B9179;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:14.5px;
}
.article-body th,.article-body td{
  border:1px solid var(--line-paper);
  padding:11px 14px;text-align:left;
}
.article-body th{background:rgba(18,194,160,.08);color:var(--paper-head);font-weight:600;}
.article-body hr{border:none;border-top:1px solid var(--line-paper);margin:34px 0;}

.toc{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px;}
.toc-card{
  background:#fff;border:1px solid var(--line-paper);
  border-radius:var(--r-md);padding:20px 18px;
  box-shadow:var(--shadow-paper);
}
.toc-card h4{font-size:14px;color:var(--paper-head);letter-spacing:.4px;margin-bottom:12px;}
.toc-card ol{display:flex;flex-direction:column;gap:3px;counter-reset:toc;}
.toc-card a{
  display:block;font-size:13.5px;color:var(--paper-sub);
  padding:7px 10px;border-radius:9px;border-left:2px solid transparent;
  line-height:1.5;
}
.toc-card a:hover{color:var(--brand-deep);background:rgba(18,194,160,.07);border-left-color:var(--brand);}
.toc-tip{
  background:linear-gradient(160deg,rgba(18,194,160,.1),rgba(18,194,160,.03));
  border:1px solid rgba(18,194,160,.25);
  border-radius:var(--r-md);padding:18px;
  font-size:13px;color:#1E4F45;line-height:1.7;
}
.toc-tip strong{display:block;color:#0B9179;font-size:14px;margin-bottom:6px;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 20px;
}
.empty-state i{
  font-size:34px;color:var(--steel-light);
  display:inline-grid;place-items:center;
  width:74px;height:74px;border-radius:22px;
  background:rgba(36,64,94,.1);margin-bottom:18px;
}
.empty-state h3{font-size:20px;color:var(--paper-head);}
.empty-state p{color:var(--paper-sub);margin-top:10px;font-size:14.5px;}
.empty-state .btn{margin-top:22px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease;
}
.btn-primary{
  color:#04211B;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 10px 34px rgba(18,194,160,.45);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.3);}
.btn-ghost{
  color:var(--ink);
  background:transparent;
  border-color:rgba(58,97,135,.7);
}
.btn-ghost:hover{background:rgba(36,64,94,.35);border-color:var(--brand);color:#fff;}
.btn-paper{
  color:var(--brand-deep);
  background:#fff;
  border-color:rgba(11,145,121,.35);
}
.btn-paper:hover{background:rgba(18,194,160,.08);border-color:var(--brand);}

/* ============ 相关推荐 ============ */
.related{
  background:linear-gradient(180deg,#0B131C,#070C12);
  padding:80px 0 84px;
  border-top:1px solid rgba(18,194,160,.14);
}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.sec-head h2{
  font-size:clamp(22px,3vw,32px);font-weight:700;color:#fff;letter-spacing:-.4px;
  padding-left:16px;position:relative;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-light),var(--brand-deep));
}
.sec-head p{color:var(--ink-3);font-size:14.5px;max-width:560px;margin-top:10px;padding-left:16px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rcard{
  display:flex;flex-direction:column;
  border-radius:var(--r-md);
  overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid var(--glass-line);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-dark);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.rcard:hover{transform:translateY(-3px);border-color:rgba(18,194,160,.38);box-shadow:0 18px 40px rgba(0,0,0,.5);}
.rcard .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rcard:hover .thumb img{transform:scale(1.05);}
.rcard .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rcard h3{font-size:17px;color:#fff;font-weight:600;line-height:1.45;}
.rcard p{font-size:13.8px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand-light);display:inline-flex;align-items:center;gap:7px;}
.rcard .more i{transition:transform .25s ease;}
.rcard:hover .more i{transform:translateX(4px);}

/* ============ 前后导航 ============ */
.pager{padding:64px 0;}
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.pager-item{
  display:block;padding:22px 24px;border-radius:var(--r-md);
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.pager-item:hover{border-color:rgba(18,194,160,.4);transform:translateY(-2px);background:rgba(18,194,160,.06);}
.pager-item span{display:block;font-size:12.5px;color:var(--ink-3);letter-spacing:.4px;margin-bottom:8px;}
.pager-item strong{display:block;color:var(--ink);font-size:16px;font-weight:600;line-height:1.5;}
.pager-item.next{text-align:right;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:70px 0 78px;
  background:
    radial-gradient(620px 300px at 78% 20%,rgba(18,194,160,.2),transparent 62%),
    linear-gradient(180deg,#0A1119,#070C12);
  border-top:1px solid rgba(18,194,160,.16);
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:clamp(26px,4vw,44px);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-dark);
}
.cta-inner h2{font-size:clamp(21px,2.8vw,28px);color:#fff;letter-spacing:-.3px;}
.cta-inner p{color:var(--ink-3);font-size:14.5px;margin-top:10px;max-width:580px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#05090E;
  padding:64px 0 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:44px;
}
.footer-brand p{color:var(--ink-3);font-size:13.8px;line-height:1.8;margin-top:16px;max-width:330px;}
.site-footer h4{font-size:14px;color:var(--ink);font-weight:600;letter-spacing:.4px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:13.8px;color:var(--ink-3);}
.footer-links a:hover{color:var(--brand-light);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-3);line-height:1.6;}
.footer-contact i{color:var(--brand);font-size:13px;margin-top:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  color:#04211B;border:none;cursor:pointer;
  box-shadow:var(--glow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{filter:brightness(1.08);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .reading-grid{grid-template-columns:minmax(0,1fr) 230px;gap:30px;}
}
@media (max-width:1024px){
  .nav-shell{gap:12px;}
  .nav-links{
    position:absolute;
    top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:14px;
    border-radius:var(--r-lg);
    background:rgba(9,15,22,.97);
    border:1px solid var(--glass-line);
    box-shadow:var(--shadow-dark);
    display:none;
  }
  .nav-shell.is-open .nav-links{display:flex;}
  .nav-links a{padding:14px 16px;border-radius:14px;min-height:44px;display:flex;align-items:center;font-size:15px;}
  .nav-links a.is-active::after{left:16px;right:auto;width:26px;bottom:8px;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .reading-grid{grid-template-columns:minmax(0,1fr);}
  .toc{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-wrap{padding:0 16px;}
  .site-header{padding:12px 0 0;}
  .brand-text span{display:none;}
  .brand-text strong{font-size:14px;}
  .page-head{padding:130px 0 56px;}
  .page-head h1{font-size:clamp(24px,6.4vw,32px);}
  .cover-wrap{border-radius:var(--r-md);margin-top:28px;}
  .reading{padding:48px 0 60px;}
  .paper-card{padding:24px 20px;border-radius:var(--r-md);}
  .related{padding:56px 0 60px;}
  .related-grid{grid-template-columns:1fr;}
  .pager{padding:48px 0;}
  .pager-grid{grid-template-columns:1fr;}
  .pager-item.next{text-align:left;}
  .cta-inner{padding:26px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .brand-mark{width:34px;height:34px;font-size:14px;}
  .cover-wrap{aspect-ratio:4/3;}
  .rcard .thumb{aspect-ratio:4/3;}
  .meta-row{gap:8px 16px;font-size:12.8px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12C2A0;
  --c-primary-deep:#0B9179;
  --c-primary-light:#35E0BF;
  --c-steel:#24405E;
  --c-steel-light:#3A6187;
  --c-amber:#FFB03A;

  --bg-deep:#070C12;
  --bg-panel:#0E1620;
  --glass:rgba(255,255,255,.05);
  --paper:#F7F8F6;
  --surface:#FFFFFF;

  --t-dark-1:#F2F6F9;
  --t-dark-2:#C7D2DC;
  --t-dark-3:#8A99A8;
  --t-light-1:#0F1720;
  --t-light-2:#2A333D;
  --t-light-3:#6B7784;

  --line-dark:rgba(255,255,255,.09);
  --line-light:rgba(15,23,32,.09);

  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;

  --sh-deep:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-light:0 6px 24px rgba(15,23,32,.07);
  --sh-glow:0 8px 26px rgba(18,194,160,.35);

  --container:1200px;
  --gap:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-light-2);
  background:var(--bg-deep);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t-light-1);font-weight:700;line-height:1.32}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:90;padding:16px 0 8px;transition:padding .25s ease}
.nav-wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.nav-shell{
  position:relative;display:flex;align-items:center;gap:20px;
  min-height:64px;padding:8px 10px 8px 16px;
  border-radius:var(--r-pill);
  background:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  border:1px solid var(--line-dark);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  transition:min-height .25s ease, background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{padding:10px 0 6px}
.site-header.is-scrolled .nav-shell{
  min-height:56px;
  background:linear-gradient(160deg, rgba(12,20,28,.94), rgba(9,15,22,.9));
  box-shadow:0 14px 36px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);color:#04120F;font-size:16px;
  box-shadow:0 6px 18px rgba(18,194,160,.32);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{color:var(--t-dark-1);font-size:15px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand-text span{color:var(--t-dark-3);font-size:11.5px;letter-spacing:.4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--t-dark-2);
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--t-dark-1);background:rgba(255,255,255,.06)}
.nav-links a.is-active{color:var(--t-dark-1);font-weight:600;background:rgba(18,194,160,.12)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--c-primary-light);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;
  padding:11px 20px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:#04120F;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:var(--sh-glow);
  transition:filter .2s ease, box-shadow .2s ease, transform .15s ease;
}
.nav-cta:hover{filter:brightness(1.06);box-shadow:0 8px 34px rgba(18,194,160,.5);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.35)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.07);border:1px solid var(--line-dark);
  color:var(--t-dark-1);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.12)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:filter .2s ease, box-shadow .2s ease, transform .15s ease, background .2s ease, border-color .2s ease;
  min-height:48px;
}
.btn-primary{
  color:#04120F;background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:var(--sh-glow);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 8px 34px rgba(18,194,160,.5);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.35)}
.btn-ghost{
  color:var(--t-dark-1);background:transparent;border-color:rgba(58,97,135,.85);
}
.btn-ghost:hover{background:rgba(36,64,94,.35);border-color:var(--c-steel-light);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid rgba(18,194,160,.55);outline-offset:2px;
}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;margin-top:14px;overflow:hidden;
  border-radius:var(--r-lg);
  background:#0B121A url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  border:1px solid var(--line-dark);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(7,12,18,.94) 8%, rgba(7,12,18,.72) 48%, rgba(11,145,121,.42) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg, rgba(7,12,18,0), rgba(7,12,18,.85));
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;padding:34px 40px 38px;min-height:240px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-dark-3);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--t-dark-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary-light)}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.28)}
.cat-hero h1{
  color:#FFFFFF;font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.5px;
  max-width:760px;margin-bottom:14px;
}
.cat-hero .hero-sub{color:var(--t-dark-2);font-size:clamp(14.5px,1.5vw,16.5px);max-width:700px;line-height:1.75}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:500;
  color:var(--c-primary-light);background:rgba(18,194,160,.12);
  border:1px solid rgba(18,194,160,.28);
}
.tag-amber{color:var(--c-amber);background:rgba(255,176,58,.1);border-color:rgba(255,176,58,.32)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-deep{background:var(--bg-deep)}
.section-light{background:var(--paper);color:var(--t-light-2)}
.section-light h2,.section-light h3{color:var(--t-light-1)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:700;position:relative;padding-left:18px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary-light),var(--c-primary-deep));
}
.section-deep .sec-head h2{color:var(--t-dark-1)}
.sec-head p{margin-top:14px;font-size:15px;color:var(--t-dark-3);line-height:1.8}
.section-light .sec-head p{color:var(--t-light-3)}

/* ============ 快照条 ============ */
.snapshot{
  margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.snap-card{
  display:flex;gap:14px;padding:22px;
  border-radius:var(--r-card);
  background:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  border:1px solid var(--line-dark);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:var(--sh-deep);
  transition:border-color .25s ease, transform .25s ease;
}
.snap-card:hover{border-color:rgba(18,194,160,.35);transform:translateY(-2px)}
.snap-icon{
  width:42px;height:42px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  color:var(--c-primary-light);background:rgba(18,194,160,.12);border:1px solid rgba(18,194,160,.26);font-size:16px;
}
.snap-card h3{color:var(--t-dark-1);font-size:16px;font-weight:600;margin-bottom:6px}
.snap-card p{color:var(--t-dark-3);font-size:13.5px;line-height:1.7;margin:0}

/* ============ 目录版式 ============ */
.cat-layout{display:grid;grid-template-columns:266px minmax(0,1fr);gap:40px;align-items:start}
.anchor-col{position:sticky;top:104px;align-self:start}
.anchor-nav{
  background:var(--surface);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:18px 16px;box-shadow:var(--sh-light);
}
.anchor-nav h2{font-size:13px;font-weight:600;letter-spacing:1px;color:var(--t-light-3);margin-bottom:12px;padding-left:4px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--t-light-2);
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.anchor-nav a .dot{width:6px;height:6px;border-radius:50%;background:rgba(58,97,135,.5);flex-shrink:0;transition:background .2s ease}
.anchor-nav a:hover{background:rgba(18,194,160,.08);color:var(--c-primary-deep);padding-left:15px}
.anchor-nav a:hover .dot{background:var(--c-primary)}
.anchor-nav a.is-current{background:rgba(18,194,160,.12);color:var(--c-primary-deep);font-weight:600}
.anchor-nav a.is-current .dot{background:var(--c-primary)}
.anchor-foot{
  margin-top:14px;padding:14px;border-radius:12px;background:rgba(36,64,94,.06);
  font-size:13px;color:var(--t-light-3);line-height:1.7;
}
.anchor-foot a{color:var(--c-primary-deep);font-weight:600;border-bottom:1px solid rgba(11,145,121,.35)}

.entry-groups{display:flex;flex-direction:column;gap:44px}
.entry-group{scroll-margin-top:120px}
.group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:6px;flex-wrap:wrap}
.group-head h2{font-size:clamp(19px,2vw,23px);font-weight:700}
.group-head .group-count{
  font-size:12.5px;color:var(--c-primary-deep);background:rgba(18,194,160,.1);
  border:1px solid rgba(18,194,160,.24);padding:3px 10px;border-radius:var(--r-pill);
}
.group-desc{font-size:14.5px;color:var(--t-light-3);margin:8px 0 6px}
.entry-list{margin-top:16px}
.entry{
  display:flex;gap:18px;padding:20px 4px 20px 0;
  border-bottom:1px solid var(--line-light);
  transition:background .2s ease,padding-left .2s ease;
}
.entry:hover{background:rgba(18,194,160,.05);padding-left:12px;border-radius:12px}
.entry-num{
  flex-shrink:0;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:var(--c-primary-deep);
  background:#FFFFFF;border:1px solid rgba(18,194,160,.3);
  box-shadow:0 3px 10px rgba(15,23,32,.06);
}
.entry-body{min-width:0}
.entry-body h3{font-size:16.5px;font-weight:600;margin-bottom:5px}
.entry-body h3 a{transition:color .2s ease}
.entry-body h3 a:hover{color:var(--c-primary-deep)}
.entry-body p{font-size:14px;color:var(--t-light-3);margin:0 0 8px;line-height:1.75}
.entry-meta{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  color:var(--c-steel);background:rgba(36,64,94,.08);border:1px solid rgba(36,64,94,.16);
}
.chip-green{color:var(--c-primary-deep);background:rgba(18,194,160,.1);border-color:rgba(18,194,160,.24)}
.chip-amber{color:#8A5A0B;background:rgba(255,176,58,.14);border-color:rgba(255,176,58,.34)}

/* ============ 版本对照 ============ */
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver-card{
  background:var(--surface);border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-light);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.ver-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,23,32,.12);border-color:rgba(18,194,160,.35)}
.ver-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E1620}
.ver-cover img{width:100%;height:100%;object-fit:cover}
.ver-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,18,.05),rgba(7,12,18,.5))}
.ver-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.ver-body h3{font-size:18px;font-weight:600}
.ver-rows{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.ver-row{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;padding-bottom:9px;border-bottom:1px dashed rgba(15,23,32,.1)}
.ver-row:last-child{border-bottom:0;padding-bottom:0}
.ver-row span:first-child{color:var(--t-light-3);flex-shrink:0}
.ver-row span:last-child{color:var(--t-light-1);text-align:right;font-weight:500}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-light);transition:border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(18,194,160,.42)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--t-light-1);min-height:48px;
}
.faq-q i{color:var(--c-primary-deep);font-size:14px;transition:transform .3s ease;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{padding:0 22px 22px;font-size:14.5px;line-height:1.85;color:var(--t-light-3);border-top:1px solid var(--line-light);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0}

/* ============ 内链卡 ============ */
.inline-card{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:0;
  background:var(--surface);border:1px solid var(--line-light);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-light);max-width:900px;margin:0 auto;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.inline-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(15,23,32,.12);border-color:rgba(18,194,160,.35)}
.inline-card-img{position:relative;min-height:170px;background:#0E1620}
.inline-card-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.inline-card-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.inline-card-body h3{font-size:19px;font-weight:600}
.inline-card-body p{font-size:14.5px;color:var(--t-light-3);margin:0}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary-deep);
}
.link-arrow i{transition:transform .2s ease}
.inline-card:hover .link-arrow i{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(18,194,160,.2);
  background:linear-gradient(120deg, #0B1219 0%, #0E1D24 52%, #0B3029 100%);
  padding:52px 44px;box-shadow:var(--sh-deep);
}
.cta-band::before{
  content:"";position:absolute;width:460px;height:460px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle, rgba(18,194,160,.34), rgba(18,194,160,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:var(--t-dark-1);font-size:clamp(21px,2.3vw,29px);font-weight:700;margin-bottom:10px}
.cta-inner p{color:var(--t-dark-3);font-size:15px;max-width:560px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-dark);padding:72px 0 0;margin-top:0;position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg, rgba(18,194,160,0), rgba(18,194,160,.55), rgba(18,194,160,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--t-dark-3);font-size:14px;line-height:1.8;max-width:340px;margin:0}
.site-footer h4{color:var(--t-dark-1);font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--t-dark-3);font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--c-primary-light);padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:var(--t-dark-3);font-size:14px;line-height:1.7}
.footer-contact i{color:var(--c-primary);margin-top:5px;font-size:13px;flex-shrink:0}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid var(--line-dark);
  color:var(--t-dark-3);font-size:13px;
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:80;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  color:#04120F;background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  border:0;box-shadow:var(--sh-glow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.06)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .cat-layout{grid-template-columns:238px minmax(0,1fr);gap:30px}
  .ver-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-layout{grid-template-columns:1fr}
  .anchor-col{position:static}
  .anchor-nav{display:flex;flex-wrap:wrap;gap:6px;padding:14px}
  .anchor-nav h2{width:100%;margin-bottom:6px}
  .anchor-nav a{background:rgba(36,64,94,.05);padding:9px 12px}
  .anchor-foot{width:100%;margin-top:10px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-shell.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    padding:14px;border-radius:20px;
    background:rgba(10,17,24,.97);
    border:1px solid var(--line-dark);
    backdrop-filter:blur(14px);
    box-shadow:0 22px 48px rgba(0,0,0,.55);
  }
  .nav-shell.is-open .nav-links a{padding:14px 16px;border-radius:12px;font-size:15.5px}
  .nav-shell.is-open .nav-links a.is-active::after{display:none}
  .snapshot{grid-template-columns:1fr;gap:14px}
  .cat-hero-inner{padding:28px 24px 32px}
  .inline-card{grid-template-columns:1fr}
  .inline-card-img{min-height:190px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-wrap{padding:0 14px}
  .brand-text span{display:none}
  .nav-cta{display:none}
  .section{padding:48px 0}
  .ver-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .entry{flex-direction:row;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:24px}
  .brand-text strong{font-size:13.5px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .entry-num{width:34px;height:34px;font-size:13px;border-radius:10px}
  .faq-q{font-size:15px;padding:17px 16px}
  .faq-a-inner{margin:0 16px 18px;padding-top:14px}
  .ver-cover{aspect-ratio:4/3}
  .snap-card{padding:18px}
}

/* roulang page: category2 */
:root{
  --brand:#12C2A0;
  --brand-deep:#0B9179;
  --brand-light:#35E0BF;
  --steel:#24405E;
  --steel-light:#3A6187;
  --gold:#FFB03A;
  --bg-deep:#070C12;
  --bg-mid:#0E1620;
  --glass:rgba(255,255,255,.05);
  --paper:#F7F8F6;
  --white:#FFFFFF;
  --text-dark:#C7D2DC;
  --title-dark:#F2F6F9;
  --muted-dark:#8A99A8;
  --text-light:#2A333D;
  --title-light:#0F1720;
  --muted-light:#6B7784;
  --line-dark:rgba(255,255,255,.09);
  --line-light:rgba(15,23,32,.09);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-deep:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-light:0 6px 24px rgba(15,23,32,.07);
  --container:1200px;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text-dark);
  background:var(--bg-deep);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(18,194,160,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding-top:16px;
  pointer-events:none;
}
.nav-wrap{
  width:100%;
  max-width:1160px;
  margin:0 auto;
  padding:0 20px;
  pointer-events:auto;
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:linear-gradient(160deg,rgba(14,22,32,.86),rgba(7,12,18,.78));
  border:1px solid rgba(255,255,255,.09);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-shell.is-scrolled{
  height:56px;
  background:linear-gradient(160deg,rgba(11,18,26,.96),rgba(5,9,14,.94));
  box-shadow:0 16px 40px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  color:#04211B;
  font-size:17px;
  box-shadow:0 8px 22px rgba(18,194,160,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:15.5px;font-weight:800;color:var(--title-dark);letter-spacing:-.2px;}
.brand-text span{font-size:11.5px;color:var(--muted-dark);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1;}
.nav-links a{
  position:relative;
  padding:9px 12px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:#AEB9C4;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-links a:hover{color:var(--title-dark);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--title-dark);}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light));
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  height:42px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:#04211B;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.35);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  white-space:nowrap;
  flex-shrink:0;
}
.nav-cta:hover{filter:brightness(1.06);box-shadow:0 10px 34px rgba(18,194,160,.5);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.35);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  color:var(--title-dark);
  font-size:17px;
  place-items:center;
  flex-shrink:0;
}
.nav-toggle:hover{border-color:rgba(18,194,160,.5);color:var(--brand-light);}

/* 抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:linear-gradient(180deg,rgba(7,12,18,.98),rgba(10,17,25,.99));
  backdrop-filter:blur(16px);
  padding:26px 22px 40px;
  display:none;
  flex-direction:column;
  gap:8px;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  color:var(--title-dark);
  display:grid;place-items:center;font-size:18px;
}
.drawer a.d-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.07);
  background:rgba(255,255,255,.03);
  color:#C9D4DE;
  font-size:15.5px;
}
.drawer a.d-link.is-active{color:#04211B;background:linear-gradient(180deg,#1AD3AE,#0DA88A);border-color:transparent;font-weight:700;}
.drawer a.d-link i{font-size:13px;opacity:.6;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  cursor:pointer;
}
.btn-primary{
  color:#04211B;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.35);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 8px 34px rgba(18,194,160,.5);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.33);}
.btn-ghost{
  color:var(--title-dark);
  background:transparent;
  border:1px solid var(--steel-light);
}
.btn-ghost:hover{background:rgba(36,64,94,.35);border-color:rgba(18,194,160,.55);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ Hero ============ */
.hero-cat{
  position:relative;
  padding:132px 0 118px;
  overflow:hidden;
  background:var(--bg-deep);
}
.hero-cat .hero-bg{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.4;
}
.hero-cat .hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 18% 12%,rgba(18,194,160,.20),transparent 68%),
    linear-gradient(180deg,rgba(7,12,18,.55) 0%,rgba(7,12,18,.86) 58%,#070C12 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted-dark);margin-bottom:22px;}
.crumbs a{color:#9DAAB7;transition:color var(--ease);}
.crumbs a:hover{color:var(--brand-light);}
.crumbs i{font-size:10px;opacity:.6;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--brand-light);
  background:rgba(18,194,160,.10);
  border:1px solid rgba(18,194,160,.32);
  margin-bottom:20px;
}
.hero-cat h1{
  max-width:900px;
  font-size:clamp(34px,4.6vw,52px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--title-dark);
}
.hero-sub{
  max-width:720px;
  margin-top:20px;
  font-size:17px;
  color:#AFBCC8;
  line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:#B7C4CF;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
}
.tag i{color:var(--brand);font-size:12px;}
.tag.gold{color:var(--gold);border-color:rgba(255,176,58,.35);background:rgba(255,176,58,.08);}
.tag.gold i{color:var(--gold);}

/* 浮动信息卡 */
.float-row{position:relative;z-index:5;margin-top:-58px;}
.float-card{
  display:grid;
  grid-template-columns:1fr 1fr auto;
  align-items:center;
  gap:26px;
  padding:26px 30px;
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid rgba(255,255,255,.09);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-deep);
}
.fc-item{display:flex;flex-direction:column;gap:6px;min-width:0;}
.fc-label{font-size:12.5px;color:var(--muted-dark);letter-spacing:.4px;}
.fc-item strong{font-size:16px;font-weight:700;color:var(--title-dark);}
.fc-item p{font-size:14px;color:#A9B6C1;}
.fc-action{justify-self:end;}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-dark{background:var(--bg-deep);color:var(--text-dark);}
.section-mid{background:var(--bg-mid);color:var(--text-dark);}
.section-light{background:var(--paper);color:var(--text-light);}
.section-light .muted{color:var(--muted-light);}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:1.4px;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-label::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-light));}
h2{font-size:clamp(26px,3vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.3px;color:var(--title-dark);}
.section-light h2{color:var(--title-light);}
.sec-head p{margin-top:16px;font-size:16px;color:#9CAAB7;max-width:700px;}
.section-light .sec-head p{color:var(--muted-light);}

/* ============ 卡片画廊 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid rgba(255,255,255,.09);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.card:hover{transform:translateY(-2px);border-color:rgba(18,194,160,.35);box-shadow:0 18px 40px rgba(0,0,0,.45);}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,18,0) 40%,rgba(7,12,18,.72) 100%);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-light);
  background:rgba(18,194,160,.12);
  border:1px solid rgba(18,194,160,.28);
}
.badge.gold{color:var(--gold);background:rgba(255,176,58,.1);border-color:rgba(255,176,58,.32);}
.badge.steel{color:#9FB6CE;background:rgba(36,64,94,.4);border-color:rgba(58,97,135,.7);}
.card h3{font-size:18.5px;font-weight:600;line-height:1.45;color:var(--title-dark);}
.card p{font-size:14.5px;color:#98A6B3;line-height:1.72;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted-dark);
}
.card-foot .go{display:inline-flex;align-items:center;gap:7px;color:var(--brand-light);font-weight:600;font-size:13.5px;}
.card-foot .go i{transition:transform var(--ease);}
.card:hover .card-foot .go i{transform:translateX(4px);}

/* 浅色卡（要点对照） */
.strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.strip-item{
  padding:28px 26px;
  border-radius:var(--r-card);
  background:var(--white);
  border:1px solid var(--line-light);
  box-shadow:var(--shadow-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.strip-item:hover{transform:translateY(-3px);border-color:rgba(18,194,160,.4);box-shadow:0 14px 34px rgba(15,23,32,.12);}
.strip-icon{
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  font-size:18px;
  color:var(--brand-deep);
  background:rgba(18,194,160,.12);
  border:1px solid rgba(18,194,160,.28);
  margin-bottom:18px;
}
.strip-item h3{font-size:18px;font-weight:700;color:var(--title-light);margin-bottom:10px;}
.strip-item p{font-size:14.5px;color:var(--muted-light);line-height:1.75;}
.strip-item .mini{margin-top:14px;font-size:13px;color:var(--brand-deep);font-weight:600;}

/* ============ 清单 / 场景 ============ */
.check-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.check-item{
  display:flex;gap:16px;
  padding:20px 22px;
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  transition:border-color var(--ease),transform var(--ease);
}
.check-item:hover{border-color:rgba(18,194,160,.35);transform:translateX(3px);}
.check-num{
  flex-shrink:0;
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand-light);
  border:1px solid rgba(18,194,160,.35);
  background:rgba(18,194,160,.08);
}
.check-item h3{font-size:16.5px;font-weight:600;color:var(--title-dark);margin-bottom:6px;}
.check-item p{font-size:14.5px;color:#96A4B1;line-height:1.7;}
.figure-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-dark);
  box-shadow:var(--shadow-deep);
  aspect-ratio:16/12;
}
.figure-card img{width:100%;height:100%;object-fit:cover;}
.figure-card .fig-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 24px;
  background:linear-gradient(180deg,rgba(7,12,18,0),rgba(7,12,18,.9));
  font-size:14px;
  color:#C4D0DA;
}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px;}
.metric{
  padding:18px 18px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
}
.metric strong{display:block;font-size:22px;font-weight:800;color:var(--brand-light);line-height:1.2;}
.metric span{font-size:13px;color:var(--muted-dark);}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--white);
  border:1px solid var(--line-light);
  box-shadow:var(--shadow-light);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(18,194,160,.45);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--title-light);
  min-height:56px;
}
.faq-q .faq-ico{
  flex-shrink:0;
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:12px;
  color:var(--brand-deep);
  background:rgba(18,194,160,.1);
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-ico{transform:rotate(180deg);background:var(--brand);color:#04211B;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
  background:#FBFCFA;
}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted-light);}
.faq-item.is-open .faq-a{max-height:340px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:76px 0;
  background:var(--bg-mid);
  overflow:hidden;
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.cta-band::before{
  content:"";
  position:absolute;
  width:640px;height:640px;
  left:-160px;top:-280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.22),transparent 65%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:36px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(24px,2.7vw,32px);max-width:640px;}
.cta-inner p{margin-top:14px;color:#9EACB9;font-size:15.5px;max-width:620px;}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{margin-top:16px;font-size:13px;color:var(--muted-dark);display:flex;align-items:center;gap:8px;}
.cta-note i{color:var(--gold);}

/* ============ 页脚 ============ */
.site-footer{
  background:#05090E;
  padding:72px 0 0;
  border-top:1px solid rgba(255,255,255,.07);
  color:var(--text-dark);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:#8B98A5;line-height:1.8;max-width:330px;}
.site-footer h4{font-size:15px;font-weight:700;color:var(--title-dark);margin-bottom:18px;letter-spacing:.3px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:#8B98A5;transition:color var(--ease),padding-left var(--ease);}
.footer-links a:hover{color:var(--brand-light);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#8B98A5;line-height:1.7;}
.footer-contact i{color:var(--brand);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  padding:22px 0 26px;
  margin-top:0;
  border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;
  color:#6F7C89;
}

/* 回到顶部 */
.back-top{
  position:fixed;
  right:22px;bottom:26px;
  z-index:90;
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:50%;
  color:#04211B;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 10px 28px rgba(18,194,160,.4);
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{filter:brightness(1.06);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-links a{padding:9px 10px;font-size:14px;}
  .section{padding:84px 0;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .nav-cta{display:none;}
  .nav-shell{justify-content:space-between;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .strip{grid-template-columns:1fr;}
  .check-wrap{grid-template-columns:1fr;gap:38px;}
  .float-card{grid-template-columns:1fr 1fr;gap:20px;}
  .fc-action{grid-column:1 / -1;justify-self:start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:768px){
  .site-header{padding-top:12px;}
  .nav-wrap{padding:0 14px;}
  .nav-shell{height:58px;padding:0 12px 0 14px;}
  .brand-text span{display:none;}
  .brand-text strong{font-size:14px;}
  .hero-cat{padding:112px 0 96px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .section{padding:64px 0;}
  .sec-head{margin-bottom:36px;}
  .grid-3{grid-template-columns:1fr;gap:16px;}
  .float-row{margin-top:-40px;}
  .float-card{grid-template-columns:1fr;padding:22px;}
  .fc-action{justify-self:stretch;}
  .fc-action .btn{width:100%;}
  .check-item{padding:18px;}
  .cta-band{padding:56px 0;}
  .cta-btns{width:100%;}
  .cta-btns .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-brand p{max-width:none;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
  .back-top{right:16px;bottom:18px;width:44px;height:44px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-cat h1{font-size:clamp(28px,8vw,34px);}
  h2{font-size:24px;}
  .card h3{font-size:17px;}
  .metric strong{font-size:19px;}
  .figure-card{aspect-ratio:4/3;}
}

/* roulang page: category3 */
:root{
  --brand:#12C2A0;
  --brand-dark:#0B9179;
  --brand-light:#35E0BF;
  --steel:#24405E;
  --steel-light:#3A6187;
  --gold:#FFB03A;
  --bg-deep:#070C12;
  --bg-panel:#0E1620;
  --paper:#F7F8F6;
  --white:#FFFFFF;
  --text-dark:#C7D2DC;
  --title-dark:#F2F6F9;
  --muted-dark:#8A99A8;
  --text-light:#2A333D;
  --title-light:#0F1720;
  --muted-light:#6B7784;
  --line-dark:rgba(255,255,255,.09);
  --line-light:rgba(15,23,32,.10);
  --r-card:16px;
  --r-img:20px;
  --r-btn:12px;
  --shadow-dark:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-light:0 6px 24px rgba(15,23,32,.07);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;font-weight:400;line-height:1.75;
  color:var(--text-dark);background:var(--bg-deep);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
:focus-visible{outline:2px solid rgba(18,194,160,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.muted{color:var(--muted-dark)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 20px 0}
.nav-wrap{max-width:1160px;margin:0 auto}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  min-height:64px;padding:0 16px 0 18px;
  border-radius:999px;
  background:rgba(14,22,32,.74);
  border:1px solid var(--line-dark);
  backdrop-filter:blur(14px);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
  transition:min-height .28s ease,background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled .nav-shell{
  min-height:56px;background:rgba(9,15,22,.94);
  box-shadow:0 18px 42px rgba(0,0,0,.55);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  color:#04140F;font-size:16px;
  box-shadow:0 8px 26px rgba(18,194,160,.35);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text strong{font-size:15px;font-weight:700;color:var(--title-dark);letter-spacing:.2px;white-space:nowrap}
.brand-text span{font-size:11px;letter-spacing:.14em;color:var(--muted-dark);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 11px;font-size:14px;color:var(--text-dark);
  border-radius:999px;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:#FFFFFF;background:rgba(255,255,255,.06)}
.nav-links a.is-active{color:#FFFFFF}
.nav-links a.is-active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(18,194,160,0),var(--brand),rgba(18,194,160,0));
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#04140F;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.35);
  transition:filter .22s ease,box-shadow .22s ease,transform .22s ease;
  white-space:nowrap;flex-shrink:0;
}
.nav-cta:hover{filter:brightness(1.06);box-shadow:0 10px 34px rgba(18,194,160,.5);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.35)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  align-items:center;justify-content:center;font-size:17px;color:var(--title-dark);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.05);
  position:relative;z-index:95;
}
.nav-toggle:hover{background:rgba(18,194,160,.14);border-color:rgba(18,194,160,.35)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;position:relative}
.section-light{background:var(--paper);color:var(--text-light)}
.section-light h2,.section-light h3{color:var(--title-light)}
.section-light .muted{color:var(--muted-light)}
.edge-line::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,194,160,.45),transparent);
}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:clamp(26px,3vw,34px);font-weight:700;letter-spacing:-.3px;
  padding-left:16px;border-left:3px solid var(--brand);
}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--muted-dark);padding-left:16px}
.section-light .section-head p{color:var(--muted-light)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--brand-light);margin-bottom:14px;
}
.section-light .eyebrow{color:var(--brand-dark)}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:filter .22s ease,box-shadow .22s ease,transform .22s ease,background .22s ease,border-color .22s ease;
}
.btn-primary{
  color:#04140F;background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.35);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 10px 34px rgba(18,194,160,.48);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.35)}
.btn-ghost{
  color:var(--title-dark);border:1px solid rgba(58,97,135,.75);
  background:transparent;
}
.btn-ghost:hover{background:rgba(36,64,94,.35);border-color:rgba(18,194,160,.5);transform:translateY(-1px)}
.section-light .btn-ghost{color:var(--title-light);border-color:rgba(36,64,94,.28)}
.section-light .btn-ghost:hover{background:rgba(36,64,94,.08);border-color:rgba(11,145,121,.5)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  border:1px solid rgba(18,194,160,.35);background:rgba(18,194,160,.12);color:var(--brand-light);
}
.tag-gold{border-color:rgba(255,176,58,.42);background:rgba(255,176,58,.12);color:#FFC86B}
.section-light .tag{background:rgba(18,194,160,.1);border-color:rgba(11,145,121,.3);color:#0B9179}
.section-light .tag-gold{background:rgba(255,176,58,.14);border-color:rgba(197,127,18,.32);color:#9A6108}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:76px 0 88px;
  background:
    radial-gradient(1100px 460px at 78% 6%, rgba(18,194,160,.16), transparent 62%),
    linear-gradient(180deg,#0B121B 0%,var(--bg-deep) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.14;mix-blend-mode:luminosity;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:840px;padding-right:96px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-dark);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted-dark);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-light)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .now{color:var(--brand-light)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.5px;
  color:var(--title-dark);margin:6px 0 20px;
}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--text-dark);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid var(--line-dark);backdrop-filter:blur(10px);
  font-size:13.5px;color:var(--text-dark);
}
.stat-chip b{font-size:17px;color:var(--brand-light);font-weight:800}
.hero-side{
  position:absolute;right:24px;top:120px;z-index:3;
  display:flex;gap:24px;
}
.v-label{
  writing-mode:vertical-rl;letter-spacing:.34em;font-size:12px;
  color:rgba(138,153,168,.85);padding:6px 0;
}
.v-label.accent{color:rgba(53,224,191,.75)}

/* ---------- 场景卡 ---------- */
.card-grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.scene-card{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow-light);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;gap:14px;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(15,23,32,.12);border-color:rgba(18,194,160,.42)}
.scene-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(18,194,160,.12);color:#0B9179;font-size:19px;
  border:1px solid rgba(18,194,160,.28);
}
.scene-card h3{font-size:19px;font-weight:700;color:var(--title-light)}
.scene-card p{font-size:14.8px;line-height:1.8;color:var(--muted-light)}
.scene-card .mini-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.scene-card .mini-list li{display:flex;gap:9px;font-size:13.8px;color:var(--text-light)}
.scene-card .mini-list i{color:var(--brand-dark);font-size:12px;margin-top:6px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding:10px 0 4px}
.timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(18,194,160,.55),rgba(18,194,160,.06));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;
  align-items:center;margin-bottom:56px;
}
.tl-item:last-child{margin-bottom:0}
.tl-item::after{
  content:"";position:absolute;left:50%;top:36px;transform:translate(-50%,0);
  width:14px;height:14px;border-radius:50%;
  background:var(--bg-panel);border:2px solid var(--brand);
  box-shadow:0 0 0 4px rgba(18,194,160,.13);
}
.tl-item:nth-child(even) .tl-media{order:-1}
.tl-content{
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:30px 28px;backdrop-filter:blur(10px);
  box-shadow:var(--shadow-dark);
  transition:border-color .26s ease,transform .26s ease;
}
.tl-content:hover{border-color:rgba(18,194,160,.35);transform:translateY(-2px)}
.tl-step{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--gold);margin-bottom:10px;
}
.tl-content h3{font-size:20px;color:var(--title-dark);margin-bottom:12px}
.tl-content p{font-size:14.8px;line-height:1.85;color:var(--text-dark)}
.tl-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.tl-list li{display:flex;gap:10px;font-size:14px;color:var(--muted-dark)}
.tl-list li i{color:var(--brand);font-size:11px;margin-top:7px}
.tl-media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-dark);
  box-shadow:0 14px 34px rgba(0,0,0,.45);aspect-ratio:16/10;
}
.tl-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 核对清单 ---------- */
.check-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.check-panel{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:32px 28px;box-shadow:var(--shadow-light);
}
.check-panel h3{font-size:19px;color:var(--title-light);margin-bottom:6px}
.check-panel > p{font-size:14.5px;color:var(--muted-light);margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:2px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:15px 4px;border-bottom:1px dashed var(--line-light);
}
.check-list li:last-child{border-bottom:0}
.check-box{
  width:22px;height:22px;border-radius:7px;flex-shrink:0;margin-top:2px;
  display:grid;place-items:center;font-size:11px;
  background:rgba(18,194,160,.12);color:#0B9179;border:1px solid rgba(18,194,160,.35);
}
.check-list strong{display:block;font-size:14.8px;color:var(--title-light);font-weight:600}
.check-list span{font-size:13.6px;color:var(--muted-light);line-height:1.7}
.compare-panel{
  background:linear-gradient(165deg,#101B27,#0B131C);
  border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow-dark);color:var(--text-dark);
}
.compare-panel h3{font-size:18px;color:var(--title-dark);margin-bottom:18px}
.compare-row{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
.compare-row:last-of-type{border-bottom:0}
.compare-row dt{font-size:14px;color:var(--muted-dark);flex-shrink:0}
.compare-row dd{margin:0;font-size:14px;color:var(--title-dark);text-align:right}
.progress-block{margin-top:22px}
.progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted-dark);margin-bottom:8px}
.progress-track{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.progress-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#0DA88A,#35E0BF);transition:width 1.2s ease}
.progress-fill.on{width:82%}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--r-card);
  box-shadow:var(--shadow-light);overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:rgba(18,194,160,.4)}
.faq-item.is-open{border-color:rgba(18,194,160,.5);box-shadow:0 12px 32px rgba(15,23,32,.11)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--title-light);
  min-height:48px;
}
.faq-q i{color:var(--brand-dark);font-size:14px;transition:transform .3s ease;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .34s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:0 24px 22px;font-size:14.8px;line-height:1.85;color:var(--muted-light);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:72px 0;
  background:
    radial-gradient(760px 320px at 22% 20%, rgba(18,194,160,.22), transparent 65%),
    linear-gradient(120deg,#0A141D,#070C12);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-text{max-width:640px}
.cta-text h2{font-size:clamp(24px,3vw,32px);color:var(--title-dark);margin-bottom:12px}
.cta-text p{font-size:15px;color:var(--text-dark)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#05090E;border-top:1px solid rgba(255,255,255,.06);
  padding:64px 0 0;color:var(--text-dark);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand .brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text strong{color:var(--title-dark)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted-dark);max-width:360px}
.site-footer h4{font-size:14.5px;color:var(--title-dark);margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:11px;font-size:14px}
.footer-links a{color:var(--text-dark);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--brand-light);padding-left:3px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--muted-dark);line-height:1.7}
.footer-contact i{color:var(--brand);font-size:12px;margin-top:5px;flex-shrink:0}
.footer-bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.06);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-dark);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);color:#04140F;
  box-shadow:0 10px 28px rgba(18,194,160,.4);font-size:15px;
  transition:transform .22s ease,filter .22s ease;
}
.to-top.show{display:inline-flex}
.to-top:hover{transform:translateY(-3px);filter:brightness(1.06)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-inner{padding-right:64px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .check-layout{grid-template-columns:1fr}
  .hero-side{display:none}
  .hero-inner{padding-right:0}
  .tl-item{grid-template-columns:1fr;gap:20px;padding-left:56px;margin-bottom:44px}
  .timeline::before{left:20px;transform:none}
  .tl-item::after{left:20px;top:34px;transform:translateX(-50%)}
  .tl-item:nth-child(even) .tl-media{order:0}
  .brand-text span{display:none}
  .nav-shell{backdrop-filter:none;background:rgba(10,17,25,.95)}
  .nav-links{
    position:fixed;inset:0;z-index:90;
    flex-direction:column;justify-content:center;align-items:center;gap:6px;
    margin-left:0;padding:80px 24px;
    background:rgba(6,10,15,.97);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{font-size:18px;padding:12px 22px;min-height:48px}
  .nav-links a.is-active::after{left:22px;right:22px;bottom:6px}
  .nav-toggle{display:inline-flex}
  .nav-cta{margin-left:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .site-header{padding:10px 12px 0}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .nav-cta{display:none}
  .page-hero{padding:52px 0 62px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .brand-text strong{font-size:13.5px;white-space:normal}
  .tl-media{aspect-ratio:4/3}
  .stat-chip{width:100%;justify-content:flex-start}
}

/* roulang page: category4 */
:root{
  --brand:#12C2A0;
  --brand-deep:#0B9179;
  --brand-light:#35E0BF;
  --steel:#24405E;
  --steel-light:#3A6187;
  --gold:#FFB03A;
  --bg-deep:#070C12;
  --bg-panel:#0E1620;
  --glass:rgba(255,255,255,.05);
  --paper:#F7F8F6;
  --card:#FFFFFF;
  --txt-d1:#F2F6F9;
  --txt-d2:#C7D2DC;
  --txt-d3:#8A99A8;
  --txt-l1:#0F1720;
  --txt-l2:#2A333D;
  --txt-l3:#6B7784;
  --line-d:rgba(255,255,255,.09);
  --line-l:rgba(15,23,32,.10);
  --ok:#1FB57A;
  --warn:#FFB03A;
  --err:#E4573D;
  --info:#3A83C4;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-full:999px;
  --sh-d:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-l:0 6px 24px rgba(15,23,32,.07);
  --container:1200px;
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--txt-l2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--txt-l1);line-height:1.3;}
:focus-visible{outline:2px solid rgba(18,194,160,.55);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 20px 0;
}
.nav-wrap{max-width:1160px;margin:0 auto;}
.nav-shell{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 16px 0 20px;
  border-radius:var(--r-full);
  background:rgba(9,15,23,.76);
  border:1px solid var(--line-d);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.30);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-shell.is-scrolled{
  height:56px;
  background:rgba(7,12,18,.92);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(160deg,rgba(18,194,160,.28),rgba(18,194,160,.06));
  border:1px solid rgba(18,194,160,.45);
  color:var(--brand-light);
  font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:var(--txt-d1);font-size:15px;font-weight:700;letter-spacing:-.2px;}
.brand-text span{color:var(--txt-d3);font-size:11.5px;letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 13px;
  border-radius:var(--r-full);
  font-size:14.5px;
  color:var(--txt-d2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-links a:hover{color:var(--txt-d1);background:rgba(255,255,255,.06);}
.nav-links a.is-active{color:var(--brand-light);background:rgba(18,194,160,.10);}
.nav-links a.is-active::after{
  content:"";
  position:absolute;left:50%;bottom:3px;
  width:18px;height:2px;
  transform:translateX(-50%);
  border-radius:2px;
  background:var(--brand);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;
  border-radius:var(--r-full);
  font-size:14.5px;font-weight:600;
  color:#04231D;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.35);
  white-space:nowrap;
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 34px rgba(18,194,160,.45);}
.nav-cta:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(18,194,160,.30);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-full);
  border:1px solid var(--line-d);
  color:var(--txt-d1);
  font-size:16px;
  place-items:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.07);}
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(7,12,18,.97);
  backdrop-filter:blur(8px);
  display:none;
  padding:22px 22px 40px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-full);
  border:1px solid var(--line-d);color:var(--txt-d1);
  display:grid;place-items:center;font-size:17px;
}
.drawer-links{display:flex;flex-direction:column;gap:10px;}
.drawer-links a{
  min-height:48px;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-d);
  background:var(--glass);
  color:var(--txt-d2);
  font-size:15.5px;
}
.drawer-links a.is-active{color:var(--brand-light);border-color:rgba(18,194,160,.45);}
.drawer-links a:hover{color:var(--txt-d1);border-color:rgba(18,194,160,.35);}
.drawer-cta{
  margin-top:22px;
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;
  border-radius:var(--r-sm);
  font-weight:600;color:#04231D;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.32);
}

/* ============ Hero ============ */
.hero{padding:26px 0 0;}
.hero-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:56px 48px 46px;
  background:
    radial-gradient(900px 320px at 88% -10%, rgba(18,194,160,.35), rgba(18,194,160,0) 70%),
    linear-gradient(140deg, rgba(7,12,18,.92), rgba(14,22,32,.86)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  border:1px solid var(--line-d);
  box-shadow:var(--sh-d);
}
.hero-card::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:96px;
  background:linear-gradient(180deg,rgba(7,12,18,0),rgba(7,12,18,.75));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--txt-d3);margin-bottom:18px;}
.crumb a{color:var(--txt-d3);}
.crumb a:hover{color:var(--brand-light);}
.crumb i{font-size:10px;opacity:.6;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-full);
  border:1px solid rgba(255,176,58,.5);
  background:rgba(255,176,58,.12);
  color:var(--gold);
  font-size:13px;font-weight:600;
  letter-spacing:.3px;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--txt-d1);
  margin-bottom:16px;
}
.hero-lead{
  font-size:16.5px;
  color:var(--txt-d2);
  max-width:660px;
  margin-bottom:28px;
}
.search-box{
  display:flex;align-items:center;gap:12px;
  max-width:560px;
  padding:6px 6px 6px 18px;
  border-radius:var(--r-full);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-d);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{
  border-color:rgba(18,194,160,.7);
  box-shadow:0 0 0 3px rgba(18,194,160,.18);
}
.search-box i{color:var(--txt-d3);font-size:15px;}
.search-box input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--txt-d1);
  font-size:15px;
  height:40px;
}
.search-box input::placeholder{color:var(--txt-d3);}
.search-box .search-hint{
  padding:0 16px;
  height:38px;
  display:grid;place-items:center;
  border-radius:var(--r-full);
  background:rgba(18,194,160,.16);
  border:1px solid rgba(18,194,160,.35);
  color:var(--brand-light);
  font-size:13.5px;
  white-space:nowrap;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:30px;
}
.hero-stats span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;
  border-radius:var(--r-full);
  border:1px solid var(--line-d);
  background:rgba(255,255,255,.05);
  color:var(--txt-d2);
  font-size:13.5px;
  font-variant-numeric:tabular-nums;
}
.hero-stats i{color:var(--brand);font-size:12.5px;}

/* ============ 主体 ============ */
main{padding-bottom:0;}
.section{padding:84px 0;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  letter-spacing:-.4px;
  margin-bottom:14px;
  display:flex;align-items:center;gap:14px;
}
.section-head h2::before{
  content:"";
  width:5px;height:26px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--brand-light),var(--brand-deep));
  flex-shrink:0;
}
.section-head p{color:var(--txt-l3);font-size:15.5px;}

.faq-layout{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.index-card{
  position:sticky;
  top:96px;
  padding:22px;
  border-radius:var(--r-md);
  background:var(--card);
  border:1px solid var(--line-l);
  box-shadow:var(--sh-l);
}
.index-card h3{
  font-size:14px;
  letter-spacing:.6px;
  color:var(--txt-l3);
  font-weight:600;
  margin-bottom:16px;
}
.index-list{display:flex;flex-direction:column;gap:6px;}
.index-list a{
  display:flex;align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--txt-l2);
  border-left:2px solid transparent;
}
.index-list a:hover{
  background:rgba(18,194,160,.07);
  border-left-color:var(--brand);
  color:var(--gold);
}
.index-list a em{
  font-style:normal;
  font-size:12.5px;
  color:var(--txt-l3);
  margin-left:auto;
  font-variant-numeric:tabular-nums;
}
.index-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line-l);
  font-size:13px;
  color:var(--txt-l3);
  line-height:1.7;
}

.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{
  display:flex;align-items:center;gap:12px;
  margin-bottom:18px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line-l);
}
.group-head .num{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(160deg,rgba(18,194,160,.16),rgba(18,194,160,.04));
  border:1px solid rgba(18,194,160,.35);
  color:var(--brand-deep);
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.group-head h3{font-size:20px;font-weight:600;color:var(--txt-l1);}
.group-head span{margin-left:auto;font-size:13px;color:var(--txt-l3);}

.faq-item{
  background:var(--card);
  border:1px solid var(--line-l);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.faq-item:hover{border-color:rgba(18,194,160,.42);box-shadow:0 10px 26px rgba(15,23,32,.09);transform:translateY(-2px);}
.faq-item[open]{border-color:rgba(18,194,160,.55);box-shadow:0 12px 30px rgba(15,23,32,.10);}
.faq-q{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  font-size:16.5px;
  font-weight:600;
  color:var(--txt-l1);
  min-height:56px;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q i{
  margin-left:auto;
  color:var(--brand-deep);
  font-size:14px;
  transition:transform var(--ease);
  flex-shrink:0;
}
.faq-item[open] .faq-q i{transform:rotate(180deg);}
.faq-q::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  flex-shrink:0;
  box-shadow:0 0 0 4px rgba(18,194,160,.14);
}
.faq-a{
  padding:2px 24px 22px 44px;
  background:#FAFBF9;
  border-top:1px solid rgba(15,23,32,.06);
}
.faq-a p{font-size:15px;color:var(--txt-l2);line-height:1.85;}
.faq-a p + p{margin-top:10px;}
.faq-a strong{color:var(--brand-deep);font-weight:600;}

.empty-state{
  display:none;
  padding:56px 24px;
  text-align:center;
  border:1px dashed rgba(15,23,32,.18);
  border-radius:var(--r-md);
  background:#FBFCFB;
}
.empty-state.is-show{display:block;}
.empty-state i{font-size:30px;color:var(--steel-light);margin-bottom:14px;}
.empty-state h3{font-size:18px;margin-bottom:8px;}
.empty-state p{color:var(--txt-l3);font-size:14.5px;margin-bottom:18px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  border-radius:var(--r-sm);
  border:1px solid var(--steel-light);
  color:var(--steel);
  font-size:14.5px;font-weight:600;
  background:transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(36,64,94,.10);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}

/* ============ 术语表 ============ */
.term-section{
  background:linear-gradient(180deg,#FFFFFF, #F2F5F3);
  border-top:1px solid var(--line-l);
  border-bottom:1px solid var(--line-l);
}
.term-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 26px;
}
.term-item{
  display:flex;gap:16px;
  padding:20px 22px;
  border-radius:var(--r-md);
  background:var(--card);
  border:1px solid var(--line-l);
  box-shadow:0 2px 10px rgba(15,23,32,.04);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.term-item:hover{border-color:rgba(18,194,160,.42);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,32,.08);}
.term-item .dot{
  width:34px;height:34px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid rgba(18,194,160,.35);
  background:rgba(18,194,160,.08);
  color:var(--brand-deep);
  font-size:13px;
}
.term-item h3{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.term-item p{font-size:14.5px;color:var(--txt-l3);line-height:1.75;}

.figure-band{
  margin-top:36px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-l);
  position:relative;
  box-shadow:var(--sh-l);
}
.figure-band img{width:100%;height:280px;object-fit:cover;}
.figure-band figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 26px;
  background:linear-gradient(180deg,rgba(7,12,18,0),rgba(7,12,18,.86));
  color:var(--txt-d2);
  font-size:14.5px;
}
.figure-band figcaption strong{display:block;color:var(--txt-d1);font-size:16.5px;margin-bottom:4px;font-weight:600;}

/* ============ CTA ============ */
.cta-band{padding:0 0 84px;}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:52px 46px;
  display:flex;flex-wrap:wrap;align-items:center;gap:32px;
  justify-content:space-between;
  background:
    radial-gradient(700px 300px at 12% 120%, rgba(18,194,160,.35), rgba(18,194,160,0) 70%),
    linear-gradient(140deg,#0B131C,#0E1620);
  border:1px solid var(--line-d);
  box-shadow:var(--sh-d);
}
.cta-card h2{
  color:var(--txt-d1);
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  margin-bottom:12px;
  position:relative;z-index:2;
}
.cta-card p{color:var(--txt-d2);font-size:15px;max-width:560px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  color:#04231D;
  background:linear-gradient(180deg,#1AD3AE,#0DA88A);
  box-shadow:0 8px 26px rgba(18,194,160,.35);
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 34px rgba(18,194,160,.48);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(18,194,160,.3);}
.btn-outline{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  color:var(--txt-d1);
  border:1px solid var(--steel-light);
  background:transparent;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-outline:hover{background:rgba(36,64,94,.42);border-color:rgba(18,194,160,.55);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#0B1119,#070C12);
  border-top:1px solid var(--line-d);
  padding:60px 0 26px;
  color:var(--txt-d2);
}
.site-footer::before{
  content:"";
  display:block;
  height:1px;
  margin:-60px 0 60px;
  background:linear-gradient(90deg,rgba(18,194,160,0),rgba(18,194,160,.5),rgba(18,194,160,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line-d);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--txt-d3);line-height:1.8;max-width:340px;}
.site-footer h4{
  color:var(--txt-d1);
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--txt-d3);}
.footer-links a:hover{color:var(--brand-light);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--txt-d3);}
.footer-contact i{color:var(--brand);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:var(--txt-d3);
  font-variant-numeric:tabular-nums;
}
.to-top{
  position:fixed;
  right:24px;bottom:28px;
  z-index:50;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(18,194,160,.45);
  background:rgba(11,19,28,.9);
  color:var(--brand-light);
  box-shadow:0 10px 26px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;
  transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(18,194,160,.16);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-links a{padding:9px 10px;font-size:14px;}
}
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .faq-layout{grid-template-columns:1fr;gap:26px;}
  .index-card{position:static;}
  .term-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .site-header{padding:10px 14px 0;}
  .nav-shell{height:58px;padding:0 12px 0 14px;}
  .brand-text span{display:none;}
  .brand-text strong{font-size:14px;}
  .hero{padding:18px 0 0;}
  .hero-card{padding:34px 22px 32px;}
  .hero-lead{font-size:15.5px;}
  .search-box{flex-wrap:wrap;border-radius:var(--r-md);padding:14px;}
  .search-box input{width:100%;height:36px;}
  .search-box .search-hint{width:100%;justify-content:center;padding:10px 14px;height:auto;}
  .section{padding:56px 0;}
  .faq-a{padding:2px 18px 20px 24px;}
  .faq-q{font-size:15.5px;padding:16px;}
  .cta-card{padding:34px 22px;}
  .cta-actions{width:100%;}
  .btn-primary,.btn-outline{width:100%;justify-content:center;}
  .figure-band img{height:210px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero h1{font-size:27px;}
  .section-head h2{font-size:22px;}
  .hero-stats span{font-size:12.5px;padding:7px 12px;}
  .figure-band img{height:170px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}