/* roulang page: index */
:root{
  --brand-600:#0FA968;
  --brand-500:#12B981;
  --brand-400:#3ED3A0;
  --brand-050:#E8F8F1;
  --accent-500:#FF8A3D;
  --accent-400:#FFA45C;
  --lemon-400:#FFD646;
  --ink-900:#0E1A16;
  --ink-700:#2C3A34;
  --ink-500:#5B6B64;
  --line:#E2EAE6;
  --bg:#F7FAF8;
  --surface:#FFFFFF;
  --surface-2:#F0F6F2;
  --deep-900:#0B2E23;
  --deep-800:#0F4A34;
  --grad-brand:linear-gradient(120deg,#0FA968 0%,#17C4A3 55%,#3ED3A0 100%);
  --grad-cta:linear-gradient(100deg,#FF8A3D 0%,#FFB020 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(14,26,22,.05);
  --sh-2:0 12px 32px rgba(14,26,22,.08);
  --sh-3:0 24px 60px rgba(14,26,22,.12);
  --font-base:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  --font-num:'DIN Alternate','Bahnschrift','Roboto Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;letter-spacing:-.2px}
h1{font-size:48px;line-height:1.15;letter-spacing:-.5px}
h2{font-size:32px;line-height:1.3}
h3{font-size:22px;line-height:1.4}
h4{font-size:18px;line-height:1.5}
p{max-width:42em}
::selection{background:var(--brand-050);color:var(--brand-600)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,138,61,.28);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sec{padding:104px 0}
.sec-alt{background:var(--surface)}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--brand-600);background:var(--brand-050);
  padding:7px 16px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.sec-head p{margin-top:16px;font-size:16px;color:var(--ink-500)}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:64px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;height:64px;
  display:grid;grid-template-columns:7fr 5fr;align-items:center;gap:24px;
}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink-900);white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 32px;
}
.logo-mark svg{width:18px;height:18px}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;font-size:15px;color:var(--ink-700);
  padding:6px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--grad-brand);transition:right .26s cubic-bezier(.2,.7,.3,1);
}
.nav-menu a:hover{color:var(--brand-600)}
.nav-menu a:hover::after,.nav-menu a.active::after{right:0}
.nav-menu a.active{color:var(--brand-600);font-weight:600}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:14px}
.nav-search{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-500);cursor:pointer;transition:all .2s ease;
}
.nav-search:hover{background:var(--brand-050);color:var(--brand-600);border-color:var(--brand-400)}
.nav-cta{
  height:40px;padding:0 20px;border-radius:var(--r-md);
  background:var(--grad-cta);color:#fff;font-weight:600;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);transition:all .22s cubic-bezier(.2,.7,.3,1);
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;color:var(--ink-900);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:120;
  background:var(--surface);border-radius:24px 0 0 24px;
  box-shadow:var(--sh-3);transform:translateX(105%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  padding:24px 22px;display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;font-size:18px;color:var(--ink-700)}
.drawer a.drawer-link{
  min-height:52px;display:flex;align-items:center;padding:0 14px;border-radius:14px;
  font-size:16px;color:var(--ink-900);transition:background .2s ease,color .2s ease;
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.active{background:var(--brand-050);color:var(--brand-600)}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:10px}
.drawer-scrim{position:fixed;inset:0;background:rgba(11,46,35,.45);z-index:110;opacity:0;pointer-events:none;transition:opacity .3s ease}
.drawer-scrim.is-open{opacity:1;pointer-events:auto}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:calc(64px + 56px) 0 88px;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(18,185,129,.14), rgba(255,255,255,0) 70%),
    radial-gradient(700px 420px at 92% 4%, rgba(255,214,70,.16), rgba(255,255,255,0) 72%),
    var(--bg);
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.hero h1{font-size:48px;line-height:1.15;margin-bottom:22px}
.hero h1 .grad{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--ink-500);max-width:30em;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-badges{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  padding-top:28px;border-top:1px solid var(--line);
}
.hero-badge .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--brand-600);line-height:1.2;
}
.hero-badge .lb{font-size:12px;color:var(--ink-500);margin-top:4px;line-height:1.5}

.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.12;mix-blend-mode:multiply;
}
.hero-float{
  position:absolute;right:-8px;bottom:-24px;width:250px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:20px;
}
.hero-float .row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero-float .row + .row{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.hero-float .k{font-size:13px;color:var(--ink-500)}
.hero-float .v{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--ink-900)}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:var(--brand-600);background:var(--brand-050);padding:5px 12px;border-radius:999px;
}
.status-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);animation:blip 1.8s infinite}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .22s cubic-bezier(.2,.7,.3,1);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);
  font-size:14px;font-weight:600;position:relative;padding-bottom:3px;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad-brand);
  transition:width .28s cubic-bezier(.2,.7,.3,1);
}
.btn-text:hover::after{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ============ Stat strip ============ */
.sec-strip{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{padding:36px 28px;border-right:1px solid var(--line)}
.strip-item:last-child{border-right:0}
.strip-item .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--accent-500);line-height:1.2;
}
.strip-item .lb{font-size:13px;color:var(--ink-500);margin-top:8px;line-height:1.6}

/* ============ Bento features ============ */
.bento-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.bento-side{position:sticky;top:96px}
.bento-side h2{margin-bottom:16px}
.bento-side p{color:var(--ink-500);font-size:15px;margin-bottom:24px}
.bento{
  display:grid;gap:20px;
  grid-template-columns:repeat(2,1fr);
  grid-template-areas:
    "big big"
    "s1 s2"
    "wide wide";
}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .22s cubic-bezier(.2,.7,.3,1),transform .22s cubic-bezier(.2,.7,.3,1);
}
.card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--grad-brand);
  transition:width .34s cubic-bezier(.2,.7,.3,1);
}
.card:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.card:hover::before{width:100%}
.bento .card{padding:28px}
.bento .card.big{grid-area:big;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.bento .card.s1{grid-area:s1}
.bento .card.s2{grid-area:s2}
.bento .card.wide{grid-area:wide;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}
.icon-box{
  width:40px;height:40px;border-radius:14px;background:var(--brand-050);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);margin-bottom:18px;
}
.icon-box svg{width:20px;height:20px}
.card h3{margin-bottom:10px;font-size:20px}
.card p{font-size:14.5px;color:var(--ink-500);margin-bottom:18px}
.card-thumb{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--surface-2);
}
.card-thumb img{width:100%;height:100%;object-fit:cover}

/* ============ Scenarios ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.scene + .scene{border-top:1px solid var(--line)}
.scene.rev .scene-media{order:2}
.scene-num{
  font-family:var(--font-num);font-size:52px;font-weight:700;line-height:1;
  color:rgba(15,169,104,.18);margin-bottom:10px;
}
.scene h3{font-size:24px;margin-bottom:14px}
.scene p{color:var(--ink-500);font-size:15px;margin-bottom:20px}
.scene-media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-2)}
.scene-media img{width:100%;height:100%;object-fit:cover}

/* ============ Cases ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{display:flex;flex-direction:column}
.case-cover{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.case-card:hover .case-cover img{transform:scale(1.05)}
.case-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.pill{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  color:var(--brand-600);background:var(--brand-050);padding:5px 12px;border-radius:999px;
  align-self:flex-start;margin-bottom:14px;
}
.case-body h3{font-size:19px;margin-bottom:10px}
.case-body p{font-size:14px;color:var(--ink-500);flex:1}
.result-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;margin-top:18px;
  background:var(--lemon-400);color:var(--ink-900);
  font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:999px;
}

/* ============ Pricing ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{padding:32px 28px;display:flex;flex-direction:column}
.price-card h3{font-size:20px;margin-bottom:8px}
.price-card .desc{font-size:14px;color:var(--ink-500);margin-bottom:24px;min-height:44px}
.price-card.featured{border:2px solid var(--brand-500);transform:scale(1.03);box-shadow:var(--sh-2)}
.price-card.featured::before{width:100%}
.price-tag{
  font-family:var(--font-num);font-size:40px;font-weight:700;color:var(--ink-900);
  line-height:1.1;margin-bottom:6px;
}
.price-tag small{font-size:14px;font-weight:500;color:var(--ink-500);margin-left:6px}
.plan-flag{
  position:absolute;top:16px;right:16px;background:var(--grad-brand);color:#fff;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.check-list{margin:22px 0 26px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700);line-height:1.6}
.check-list li svg{flex:0 0 18px;width:18px;height:18px;color:var(--brand-600);margin-top:3px}
.price-card .btn{width:100%;margin-top:auto}

/* ============ News / CMS ============ */
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-news{display:flex;flex-direction:column}
.news-thumb{
  display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);position:relative;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.card-news:hover .news-thumb img{transform:scale(1.05)}
.news-thumb-ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(120deg,rgba(15,169,104,.16),rgba(62,211,160,.10));
  font-size:56px;font-weight:700;color:rgba(15,169,104,.45);
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17.5px;line-height:1.5;margin-bottom:10px}
.news-body h3 a{color:var(--ink-900);transition:color .2s ease}
.news-body h3 a:hover{color:var(--brand-600)}
.news-body p{
  font-size:14px;color:var(--ink-500);flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
.news-meta .arrow{color:var(--brand-600);font-weight:700;transition:transform .2s ease}
.card-news:hover .news-meta .arrow{transform:translateX(4px)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  color:var(--ink-500);font-size:14px;text-align:center;padding:32px;
}
.empty-state .ph{
  width:64px;height:64px;border-radius:20px;
  background:linear-gradient(120deg,rgba(15,169,104,.14),rgba(62,211,160,.08));
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:var(--brand-400)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:48px;padding:18px 22px 18px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:18px;font-weight:700;color:var(--ink-900);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
}
.faq-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--brand-050);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;transition:transform .28s cubic-bezier(.2,.7,.3,1);
}
.faq-item[open] .faq-ico{transform:rotate(180deg)}
.faq-body{
  padding:0 22px 20px 26px;background:var(--surface-2);
  font-size:15px;line-height:1.8;color:var(--ink-700);
}
.faq-body p{padding-top:14px;border-top:1px solid var(--line)}

/* ============ Form ============ */
.form-band{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-2);padding:48px;
}
.form-band h2{margin-bottom:16px}
.form-band .lead{color:var(--ink-500);font-size:15px;margin-bottom:26px}
.form-points{display:grid;gap:12px}
.form-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700)}
.form-points li svg{flex:0 0 18px;width:18px;height:18px;color:var(--brand-600);margin-top:4px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-700)}
.field input,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:120px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(91,107,100,.6)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-050);
}
.form-note{font-size:13px;color:var(--ink-500);margin-top:14px}
.form-status{
  display:none;margin-top:16px;padding:12px 16px;border-radius:12px;
  background:var(--brand-050);color:var(--brand-600);font-size:14px;font-weight:600;
}
.form-status.is-on{display:block}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(120deg,var(--deep-900) 0%,var(--deep-800) 100%);
  padding:56px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);top:-260px;right:-140px;
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.06);bottom:-190px;left:-80px;
}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);margin:0 auto 30px;font-size:15px;max-width:34em}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ Footer ============ */
.site-footer{background:var(--deep-900);color:rgba(255,255,255,.72);margin-top:104px}
.footer-grid{
  display:grid;grid-template-columns:4fr 3fr 3fr 3fr;gap:40px;
  padding:72px 0 48px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:24em}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .container,.nav-inner{padding-left:24px;padding-right:24px}
  .bento-wrap{gap:36px}
}
@media (max-width:1023px){
  h1{font-size:38px}
  .hero h1{font-size:38px}
  h2{font-size:27px}
  .sec{padding:72px 0}
  .nav-inner{grid-template-columns:1fr auto}
  .nav-menu,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:calc(64px + 40px) 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-badges{grid-template-columns:repeat(2,1fr);gap:20px}
  .hero-float{position:static;width:100%;margin-top:20px;right:auto;bottom:auto}
  .bento-wrap{grid-template-columns:1fr}
  .bento-side{position:static}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(2){border-right:0}
  .strip-item:nth-child(1),.strip-item:nth-child(2){border-bottom:1px solid var(--line)}
  .scene{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .scene.rev .scene-media{order:0}
  .case-grid,.news-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
  .price-card.featured{transform:none}
  .faq-grid{grid-template-columns:1fr}
  .form-band{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 36px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .container,.nav-inner{padding-left:20px;padding-right:20px}
  h1{font-size:32px;line-height:1.25}
  .hero h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:19px}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:36px}
  .hero{padding:calc(56px + 32px) 0 56px}
  .hero-badges{grid-template-columns:1fr 1fr;gap:18px}
  .bento{grid-template-columns:1fr;
    grid-template-areas:"big" "s1" "s2" "wide";}
  .bento .card.big{grid-template-columns:1fr}
  .bento .card.wide{grid-template-columns:1fr;gap:16px}
  .case-grid,.news-grid,.price-grid{grid-template-columns:1fr}
  .case-grid.x-scroll{
    display:grid;grid-auto-flow:column;grid-auto-columns:82vw;overflow-x:auto;
    scroll-snap-type:x mandatory;padding-bottom:8px;
  }
  .case-grid.x-scroll .case-card{scroll-snap-align:start}
  .strip-grid{grid-template-columns:1fr 1fr}
  .strip-item{padding:24px 18px}
  .form-grid{grid-template-columns:1fr}
  .form-band{padding:26px 20px;border-radius:var(--r-lg)}
  .faq-item summary{font-size:16px;padding:16px 18px 16px 22px}
  .faq-body{padding:0 18px 18px 22px}
  .cta-band{padding:36px 22px;border-radius:var(--r-lg)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .nav-inner{height:56px}
  .site-header{height:56px}
  .hero-float{padding:16px}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-badges{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
  --brand-600:#0FA968;
  --brand-500:#12B981;
  --brand-400:#3ED3A0;
  --brand-050:#E8F8F1;
  --accent-500:#FF8A3D;
  --accent-400:#FFA45C;
  --lemon-400:#FFD646;
  --ink-900:#0E1A16;
  --ink-700:#2C3A34;
  --ink-500:#5B6B64;
  --line:#E2EAE6;
  --bg:#F7FAF8;
  --surface:#FFFFFF;
  --surface-2:#F0F6F2;
  --deep-900:#0B2E23;
  --grad-brand:linear-gradient(120deg,#0FA968 0%,#17C4A3 55%,#3ED3A0 100%);
  --grad-cta:linear-gradient(100deg,#FF8A3D 0%,#FFB020 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(14,26,22,.05);
  --sh-2:0 12px 32px rgba(14,26,22,.08);
  --sh-3:0 24px 60px rgba(14,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
  --font-cn:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --font-num:'DIN Alternate','Bahnschrift','Roboto Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:3px solid rgba(18,185,129,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:all 220ms var(--ease);
  border:1px solid transparent;
}
.btn-primary{
  background:var(--grad-cta);color:#fff;box-shadow:0 6px 18px rgba(255,138,61,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:#fff;border-color:var(--line);color:var(--ink-900);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light{
  background:transparent;border-color:rgba(255,255,255,.3);color:#fff;
}
.btn-outline-light:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-600);font-size:15px;font-weight:600;position:relative;padding-bottom:2px;
}
.btn-text::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--grad-brand);transform:scaleX(.25);transform-origin:left;
  transition:transform 260ms var(--ease);
}
.btn-text:hover::after{transform:scaleX(1);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--brand-050);color:var(--brand-600);
}
.badge-lemon{background:var(--lemon-400);color:var(--ink-900);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-500);font-weight:500;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--brand-600);
  box-shadow:var(--sh-1);
}
.pill::before{
  content:'';width:8px;height:8px;border-radius:50%;background:var(--grad-brand);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  display:grid;grid-template-columns:7fr 5fr;align-items:center;
  height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px;
}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(15,169,104,.28);
}
.logo-mark svg{width:18px;height:18px;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;padding:6px 2px;font-size:16px;color:var(--ink-700);
  transition:color 200ms var(--ease);
}
.nav-menu a::after{
  content:'';position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--grad-brand);transition:width 240ms var(--ease);
}
.nav-menu a:hover{color:var(--brand-600);}
.nav-menu a:hover::after,.nav-menu a.active::after{width:100%;}
.nav-menu a.active{color:var(--brand-600);font-weight:600;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:14px;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-500);transition:all 200ms var(--ease);
}
.icon-btn:hover{background:var(--brand-050);color:var(--brand-600);}
.icon-btn svg{width:19px;height:19px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,46,35,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:91;
  background:#fff;border-radius:var(--r-lg) 0 0 var(--r-lg);
  transform:translateX(102%);transition:transform 300ms var(--ease);
  display:flex;flex-direction:column;padding:24px 22px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  height:52px;display:flex;align-items:center;
  font-size:16px;color:var(--ink-700);border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--brand-600);font-weight:600;}
.drawer-foot{margin-top:auto;display:grid;gap:12px;padding-top:20px;}

/* ---------- 页面首屏 ---------- */
main{padding-top:var(--nav-h);}
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background:
    radial-gradient(760px 380px at 12% -10%,rgba(18,185,129,.13),transparent 70%),
    radial-gradient(560px 320px at 96% 6%,rgba(255,166,92,.13),transparent 72%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:48px;line-height:1.15;letter-spacing:-.5px;
  color:var(--ink-900);font-weight:800;margin:16px 0 18px;
}
.page-hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-500);
  max-width:42em;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-quick{display:flex;flex-wrap:wrap;gap:10px;}
.hero-visual{position:relative;}
.hero-visual figure{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-2);background:var(--surface-2);
}
.hero-visual figure img{width:100%;height:100%;object-fit:cover;}
.hero-visual figure::after{
  content:'';position:absolute;inset:0;background:var(--grad-brand);opacity:.12;
}
.hero-float{
  position:absolute;right:-16px;bottom:-26px;width:266px;
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);
  padding:20px;border:1px solid var(--line);
}
.hero-float .row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;}
.hero-float .row + .row{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);}
.hero-float .k{font-size:13px;color:var(--ink-500);}
.hero-float .v{font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--ink-900);}
.hero-float .badge{margin-top:14px;}

/* ---------- 板块通用 ---------- */
section{position:relative;}
.sec{padding:104px 0;}
.sec-tight{padding:72px 0;}
.sec-head{max-width:680px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-block;font-size:14px;font-weight:700;letter-spacing:2px;
  color:var(--brand-600);margin-bottom:12px;
}
.sec-head h2{
  font-size:32px;line-height:1.3;color:var(--ink-900);font-weight:800;letter-spacing:-.3px;
}
.sec-head p{margin-top:14px;font-size:16px;color:var(--ink-500);max-width:42em;}

/* ---------- 指标徽章条 ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.metric-bar .item{padding:26px 22px;border-right:1px solid var(--line);}
.metric-bar .item:last-child{border-right:0;}
.metric-bar .item h4{
  font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--accent-500);
  letter-spacing:.5px;
}
.metric-bar .item p{font-size:13px;color:var(--ink-500);margin-top:6px;}

/* ---------- 正文双栏 ---------- */
.body-grid{display:grid;grid-template-columns:250px 1fr;gap:56px;align-items:start;}
.toc{
  position:sticky;top:calc(var(--nav-h) + 28px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.toc-title{font-size:14px;font-weight:700;color:var(--ink-900);letter-spacing:1px;margin-bottom:14px;}
.toc ul{display:grid;gap:4px;}
.toc a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-500);border-left:3px solid transparent;
  transition:all 200ms var(--ease);
}
.toc a:hover{background:var(--surface-2);color:var(--brand-600);}
.toc a.is-active{
  background:var(--brand-050);color:var(--brand-600);font-weight:600;
  border-left-color:var(--brand-500);
}
.toc .btn{margin-top:18px;}

.body-main{display:grid;gap:64px;}
.block h2{
  font-size:28px;line-height:1.35;color:var(--ink-900);font-weight:800;
  padding-left:18px;position:relative;margin-bottom:14px;
}
.block h2::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:5px;
  border-radius:4px;background:var(--grad-brand);
}
.block > p{font-size:16px;color:var(--ink-500);max-width:44em;margin-bottom:26px;}
.block-figure{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;
  box-shadow:var(--sh-1);margin-bottom:26px;background:var(--surface-2);
}
.block-figure img{width:100%;height:100%;object-fit:cover;}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;height:3px;width:0;
  background:var(--grad-brand);transition:width 320ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.card:hover::before{width:100%;}
.card-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-050);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px;stroke:var(--brand-600);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.card h3{font-size:20px;line-height:1.45;color:var(--ink-900);font-weight:700;margin-bottom:10px;}
.card p{font-size:15px;line-height:1.8;color:var(--ink-500);}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.card .link{margin-top:18px;display:inline-flex;}
.card-wide{grid-column:1 / -1;}
.card-wide .split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;}
.card-wide figure{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--surface-2);}
.card-wide figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 关联卡 ---------- */
.related{background:var(--surface-2);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.related-card figure{aspect-ratio:16/9;background:var(--surface-2);overflow:hidden;}
.related-card figure img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.related-card:hover figure img{transform:scale(1.04);}
.related-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card h3{font-size:18px;color:var(--ink-900);font-weight:700;line-height:1.5;}
.related-card p{font-size:14px;color:var(--ink-500);}
.related-card .foot{margin-top:auto;padding-top:6px;}

/* ---------- 咨询表单 ---------- */
.consult .panel{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px;box-shadow:var(--sh-2);
}
.consult h2{font-size:28px;color:var(--ink-900);font-weight:800;line-height:1.35;margin-bottom:14px;}
.consult p.lead{font-size:16px;color:var(--ink-500);margin-bottom:22px;}
.consult ul.points{display:grid;gap:12px;}
.consult ul.points li{display:flex;gap:10px;font-size:15px;color:var(--ink-700);}
.consult ul.points li::before{
  content:'';width:8px;height:8px;border-radius:50%;margin-top:11px;flex:none;
  background:var(--grad-brand);
}
.form-grid{display:grid;gap:16px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--ink-900);}
.field input,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(91,107,100,.6);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-050);
}
.field.is-error input,.field.is-error textarea{border-color:#E5484D;}
.field .msg{font-size:12px;color:#E5484D;display:none;}
.field.is-error .msg{display:block;}
.form-note{font-size:13px;color:var(--ink-500);}
.form-success{
  display:none;padding:12px 16px;border-radius:12px;
  background:var(--brand-050);color:var(--brand-600);font-size:14px;font-weight:600;
}
.form-success.is-open{display:block;}

/* ---------- 底部 CTA ---------- */
.cta-block{
  background:linear-gradient(135deg,var(--deep-900) 0%,#0F4A34 100%);
  border-radius:var(--r-xl);padding:56px;position:relative;overflow:hidden;
  text-align:center;
}
.cta-block::before{
  content:'';position:absolute;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);top:-160px;right:-100px;
}
.cta-block::after{
  content:'';position:absolute;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(255,255,255,.06);bottom:-120px;left:-60px;
}
.cta-block > *{position:relative;z-index:1;}
.cta-block h2{font-size:32px;line-height:1.3;color:#fff;font-weight:800;letter-spacing:-.3px;}
.cta-block p{color:rgba(255,255,255,.76);font-size:16px;margin:14px auto 28px;max-width:30em;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep-900);color:rgba(255,255,255,.72);margin-top:104px;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:26em;color:rgba(255,255,255,.62);}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color 200ms var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 32px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .page-hero h1{font-size:42px;}
}
@media (max-width:1023px){
  :root{--nav-h:56px;}
  .nav-menu,.nav-right .btn,.nav-right .icon-btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{grid-template-columns:1fr auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-float{position:static;width:100%;margin-top:20px;right:auto;bottom:auto;}
  .sec{padding:72px 0;}
  .body-grid{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .metric-bar{grid-template-columns:repeat(2,1fr);}
  .metric-bar .item:nth-child(2){border-right:0;}
  .metric-bar .item:nth-child(1),.metric-bar .item:nth-child(2){border-bottom:1px solid var(--line);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .consult .panel{grid-template-columns:1fr;padding:32px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding:48px 0 56px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:15px;}
  .page-hero h1{font-size:32px;line-height:1.25;}
  .page-hero{padding:36px 0 44px;}
  .sec{padding:56px 0;}
  .sec-head h2{font-size:26px;}
  .block h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .card-wide .split{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-block{padding:36px 24px;border-radius:var(--r-lg);}
  .cta-block h2{font-size:25px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .metric-bar{grid-template-columns:1fr;}
  .metric-bar .item{border-right:0;border-bottom:1px solid var(--line);}
  .metric-bar .item:last-child{border-bottom:0;}
  .nav-right{gap:8px;}
}
@media (max-width:479px){
  .page-hero h1{font-size:28px;}
  .logo span:last-child{font-size:16px;}
  .card{padding:20px;}
  .consult .panel{padding:24px 20px;}
}

/* roulang page: article */
:root{
  --brand-600:#0FA968;
  --brand-500:#12B981;
  --brand-400:#3ED3A0;
  --brand-050:#E8F8F1;
  --accent-500:#FF8A3D;
  --accent-400:#FFA45C;
  --lemon-400:#FFD646;
  --ink-900:#0E1A16;
  --ink-700:#2C3A34;
  --ink-500:#5B6B64;
  --line:#E2EAE6;
  --bg:#F7FAF8;
  --surface:#FFFFFF;
  --surface-2:#F0F6F2;
  --deep-900:#0B2E23;
  --grad-brand:linear-gradient(120deg,#0FA968 0%,#17C4A3 55%,#3ED3A0 100%);
  --grad-cta:linear-gradient(100deg,#FF8A3D 0%,#FFB020 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(14,26,22,.05);
  --sh-2:0 12px 32px rgba(14,26,22,.08);
  --sh-3:0 24px 60px rgba(14,26,22,.12);
  --font-sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --font-mono:'DIN Alternate','Bahnschrift','Roboto Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.2px;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(255,138,61,.28);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ============ 阅读进度条 ============ */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:var(--grad-brand);z-index:120;
  transition:width .12s linear;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;gap:14px;height:56px;}
@media (min-width:1024px){.header-inner{height:64px;gap:26px;}}
.logo{display:flex;align-items:center;gap:10px;flex:none;font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;flex:none;
  box-shadow:0 6px 14px rgba(15,169,104,.28);
}
.logo-mark svg{width:18px;height:18px;}
.nav-menu{display:none;}
@media (min-width:1024px){
  .nav-menu{display:flex;align-items:center;gap:26px;margin-left:6px;}
  .nav-menu a{position:relative;font-size:16px;color:var(--ink-700);padding:6px 0;transition:color .2s ease;}
  .nav-menu a::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--grad-brand);border-radius:2px;transition:width .25s cubic-bezier(.2,.7,.3,1);
  }
  .nav-menu a:hover{color:var(--brand-600);}
  .nav-menu a:hover::after{width:100%;}
  .nav-menu a.active{color:var(--brand-600);}
  .nav-menu a.active::after{width:100%;}
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:36px;height:36px;border-radius:999px;display:none;place-items:center;
  color:var(--ink-500);transition:background .2s ease,color .2s ease;
}
@media (min-width:1024px){.icon-btn{display:grid;}}
.icon-btn:hover{background:var(--brand-050);color:var(--brand-600);}
.icon-btn svg{width:19px;height:19px;}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,
             background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
@media (min-width:768px){.btn{height:48px;padding:0 28px;}}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.24);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:12px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* 汉堡 + 抽屉 */
.menu-toggle{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:border-color .2s ease,background .2s ease;
}
.menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-900);transition:.2s;}
.menu-toggle:hover{border-color:var(--brand-500);background:var(--brand-050);}
@media (min-width:1024px){.menu-toggle{display:none;}}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,26,22,.44);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;z-index:115;
  background:#fff;border-radius:24px 0 0 24px;box-shadow:var(--sh-3);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:22px 20px 26px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-500);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:600;
  color:var(--ink-900);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-600);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .btn{width:100%;}
@media (min-width:1024px){.drawer,.drawer-mask{display:none;}}

/* ============ 面包屑 ============ */
.page-head{padding:22px 0 4px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);line-height:1.7;}
.breadcrumb a{color:var(--ink-500);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:#C3D2CB;}
.breadcrumb .current{color:var(--ink-700);max-width:56vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-head{padding:16px 0 0;}
.article-head h1{
  font-size:32px;line-height:1.28;letter-spacing:-.4px;
  margin:14px 0 18px;max-width:900px;
}
@media (min-width:768px){.article-head h1{font-size:40px;line-height:1.22;}}
@media (min-width:1024px){.article-head h1{font-size:44px;}}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;line-height:1;
}
.badge-cat{background:var(--brand-050);color:var(--brand-600);}
.badge-read{background:var(--lemon-400);color:var(--ink-900);}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-500);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-actions{margin-left:auto;display:flex;flex-wrap:wrap;gap:8px;}
.chip-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--ink-700);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.chip-btn:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.chip-btn:active{transform:translateY(1px);}
.chip-btn.is-on{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.chip-btn svg{width:16px;height:16px;}

/* ============ 封面 ============ */
.article-cover-wrap{padding-top:30px;}
.article-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/9;background:var(--surface-2);box-shadow:var(--sh-2);
  max-width:1000px;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:var(--grad-brand);opacity:.12;pointer-events:none;
}

/* ============ 正文布局 ============ */
.article-shell{padding:40px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;align-items:start;}
@media (min-width:1200px){.article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:56px;}}
.article-main{min-width:0;}
.article-lead{
  position:relative;max-width:800px;margin:0 0 34px;
  padding:22px 24px 22px 28px;background:var(--surface-2);border-radius:12px;
  font-size:17px;line-height:1.85;color:var(--ink-700);
}
.article-lead::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;
  border-radius:2px;background:var(--grad-brand);
}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--ink-700);word-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;font-size:25px;line-height:1.4;color:var(--ink-900);
  margin:2em 0 .85em;padding-left:18px;scroll-margin-top:90px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;
  border-radius:2px;background:var(--grad-brand);
}
.article-body h3{font-size:21px;line-height:1.45;color:var(--ink-900);margin:1.7em 0 .7em;scroll-margin-top:90px;}
.article-body h4{font-size:18px;line-height:1.5;color:var(--ink-900);margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.5em 0;}
.article-body li::marker{color:var(--brand-500);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body em{font-style:normal;background:var(--brand-050);color:var(--brand-600);padding:1px 6px;border-radius:6px;}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#0B8A55;}
.article-body img{border-radius:16px;margin:1.6em auto;height:auto;}
.article-body figure{margin:1.8em 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--ink-500);
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--surface-2);
  border-left:4px solid var(--brand-500);border-radius:12px;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body code{
  font-family:var(--font-mono);font-size:.92em;background:var(--surface-2);
  padding:2px 7px;border-radius:6px;color:#0B8A55;
}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;background:#0E1A16;color:#D9F2E7;
  border-radius:var(--r-md);overflow-x:auto;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{
  width:100%;margin:1.6em 0;border-collapse:collapse;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--brand-050);color:var(--ink-900);font-weight:600;}
.article-body tbody tr:nth-child(even){background:var(--surface-2);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}

/* ============ 目录 ============ */
.toc{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
@media (min-width:1200px){.toc{position:sticky;top:88px;}}
@media (max-width:1199px){.toc{max-width:800px;margin-top:6px;}}
.toc h4{font-size:14px;font-weight:600;color:var(--ink-500);letter-spacing:.4px;margin-bottom:12px;}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-500);
  padding:8px 10px;border-radius:8px;border-left:2px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc a:hover{color:var(--brand-600);background:var(--brand-050);}
.toc a.active{color:var(--brand-600);background:var(--brand-050);border-left-color:var(--brand-500);font-weight:600;}

/* 阅读完成标记 / 返回入口 */
.post-foot{
  max-width:800px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--brand-600);
}
.link-arrow::after{content:"→";transition:transform .22s ease;}
.link-arrow:hover::after{transform:translateX(4px);}

/* ============ 空态 ============ */
.empty-state{
  max-width:800px;text-align:center;padding:60px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-xl);
}
.empty-illust{
  width:96px;height:96px;margin:0 auto 22px;border-radius:24px;
  background:var(--grad-brand);opacity:.16;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-500);font-size:15px;max-width:44ch;margin:0 auto 24px;}

/* ============ 板块通用 ============ */
.sec{padding:56px 0;}
@media (min-width:768px){.sec{padding:72px 0;}}
@media (min-width:1024px){.sec{padding:88px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-head h2{font-size:25px;line-height:1.35;}
@media (min-width:768px){.sec-head h2{font-size:31px;}}
.sec-head p{font-size:15px;color:var(--ink-500);margin-top:8px;max-width:46ch;}

/* ============ 继续阅读 ============ */
.rel-grid{display:grid;gap:16px;grid-template-columns:1fr;}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:767px){
  .rel-grid{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
    gap:16px;margin:0 -20px;padding:4px 20px 14px;
    -webkit-overflow-scrolling:touch;
  }
  .rel-grid::-webkit-scrollbar{height:6px;}
  .rel-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
  .rel-card{flex:0 0 82vw;scroll-snap-align:start;}
}
.rel-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D3E6DC;}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:20px;}
.rel-body h3{
  font-size:17px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:14px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:13px;color:var(--ink-500);}
.rel-foot .tag{color:var(--brand-600);font-weight:600;}

/* ============ 上下篇 ============ */
.post-nav{display:grid;gap:14px;grid-template-columns:1fr;}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr;gap:20px;}}
.post-nav-card{
  display:block;padding:22px 24px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-400);}
.post-nav-label{font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.4px;}
.post-nav-card h3{font-size:16.5px;line-height:1.5;margin-top:8px;}

/* ============ 底部 CTA ============ */
.cta-wrap{padding:8px 0 0;}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#0B2E23 0%,#0F4A34 100%);
  padding:40px 24px;color:#fff;text-align:center;
}
@media (min-width:768px){.cta-band{padding:56px 48px;}}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);top:-180px;right:-120px;
}
.cta-band::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(255,255,255,.06);bottom:-160px;left:-80px;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:25px;line-height:1.35;margin-bottom:12px;}
@media (min-width:768px){.cta-band h2{font-size:32px;}}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;max-width:44ch;margin:0 auto 26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep-900);color:rgba(255,255,255,.72);margin-top:64px;padding-top:56px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .logo{color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:38ch;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;
  margin-top:44px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){.footer-bottom{padding-bottom:26px;}}

/* 骨架屏 */
.skeleton{background:linear-gradient(90deg,#EAF3EE 0%,#F6FBF8 50%,#EAF3EE 100%);background-size:200% 100%;animation:sk 1.4s ease infinite;border-radius:12px;}
@keyframes sk{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --brand-600:#0FA968;
  --brand-500:#12B981;
  --brand-400:#3ED3A0;
  --brand-050:#E8F8F1;
  --accent-500:#FF8A3D;
  --accent-400:#FFA45C;
  --lemon-400:#FFD646;
  --ink-900:#0E1A16;
  --ink-700:#2C3A34;
  --ink-500:#5B6B64;
  --line:#E2EAE6;
  --bg:#F7FAF8;
  --surface:#FFFFFF;
  --surface-2:#F0F6F2;
  --deep-900:#0B2E23;
  --grad-brand:linear-gradient(120deg,#0FA968 0%,#17C4A3 55%,#3ED3A0 100%);
  --grad-cta:linear-gradient(100deg,#FF8A3D 0%,#FFB020 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(14,26,22,.05);
  --sh-2:0 12px 32px rgba(14,26,22,.08);
  --sh-3:0 24px 60px rgba(14,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:56px;
}
@media (min-width:1024px){
  :root{ --header-h:64px; }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  padding-top:var(--header-h);
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--brand-600); text-decoration:none; }
a:hover{ color:var(--brand-500); }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ cursor:pointer; border:0; background:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; color:var(--ink-900); font-weight:700; }
p{ margin:0; }
:focus-visible{ outline:3px solid rgba(18,185,129,.35); outline-offset:2px; border-radius:6px; }
::selection{ background:var(--brand-050); color:var(--ink-900); }

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-inline:20px;
}
@media (min-width:768px){ .container{ padding-inline:24px; } }
@media (min-width:1024px){ .container{ padding-inline:32px; } }

.num{ font-family:'DIN Alternate','Bahnschrift','Roboto Mono',ui-monospace,monospace; font-variant-numeric:tabular-nums; }

/* ---------- 顶栏 ---------- */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:60;
  height:var(--header-h);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{ box-shadow:var(--sh-1); }
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:16px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-.2px;
  white-space:nowrap;
}
.logo:hover{ color:var(--ink-900); }
.logo-mark{
  width:30px; height:30px;
  border-radius:9px;
  background:var(--grad-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 12px rgba(15,169,104,.28);
  flex:0 0 auto;
}
.logo-mark svg{ width:17px; height:17px; }
.nav-menu{
  display:none;
  align-items:center;
  gap:4px;
  margin-left:14px;
}
.nav-menu a{
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--ink-700);
  border-radius:8px;
  position:relative;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:12px; right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-menu a:hover{ color:var(--brand-600); }
.nav-menu a:hover::after{ transform:scaleX(1); }
.nav-menu a.active{ color:var(--brand-600); font-weight:600; }
.nav-menu a.active::after{ transform:scaleX(1); }

.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.icon-btn{
  width:36px; height:36px;
  border-radius:50%;
  display:none;
  align-items:center;
  justify-content:center;
  color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{ background:var(--brand-050); color:var(--brand-600); }
.icon-btn svg{ width:19px; height:19px; }
.header-cta{
  display:none;
  align-items:center;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-md);
  background:var(--grad-cta);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 6px 16px rgba(255,138,61,.28);
  transition:transform .2s var(--ease),filter .2s var(--ease);
}
.header-cta:hover{ color:#fff; transform:translateY(-2px); filter:brightness(1.06); }
.burger{
  width:40px; height:40px;
  border-radius:12px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--line);
  background:#fff;
}
.burger span{
  display:block;
  width:18px; height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.burger.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2){ opacity:0; }
.burger.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

@media (min-width:1024px){
  .nav-menu{ display:flex; }
  .icon-btn{ display:inline-flex; }
  .header-cta{ display:inline-flex; }
  .burger{ display:none; }
}

/* 抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,46,35,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:70;
}
.drawer-mask.is-open{ opacity:1; visibility:visible; }
.drawer{
  position:fixed;
  top:0; right:0;
  height:100%;
  width:84vw;
  max-width:360px;
  background:#fff;
  border-radius:var(--r-lg) 0 0 var(--r-lg);
  box-shadow:var(--sh-3);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:22px 20px 26px;
}
.drawer.is-open{ transform:translateX(0); }
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-title{ font-size:15px; font-weight:700; color:var(--ink-900); }
.drawer-close{
  width:36px; height:36px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-500);
  background:var(--surface-2);
}
.drawer-nav{ margin-top:12px; }
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 4px;
  font-size:16px;
  color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{ color:var(--brand-600); font-weight:600; }
.drawer-nav a span{ color:var(--ink-500); font-size:13px; }
.drawer-foot{ margin-top:auto; display:flex; flex-direction:column; gap:12px; }
.drawer-search{
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface-2);
  color:var(--ink-500);
  font-size:14px;
}
.drawer-search svg{ width:18px; height:18px; }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,138,61,.26);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  filter:brightness(1.06);
}
.btn-primary:active{ transform:translateY(0); filter:brightness(.96); }
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink-900);
}
.btn-ghost:hover{
  border-color:var(--brand-500);
  color:var(--brand-600);
  background:var(--brand-050);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.34);
  color:#fff;
}
.btn-outline-light:hover{
  color:#fff;
  border-color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.08);
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:2px 0;
  color:var(--brand-600);
  font-size:14px;
  font-weight:600;
  position:relative;
}
.btn-text::after{
  content:"";
  position:absolute;
  left:0; right:26px;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s var(--ease);
}
.btn-text:hover::after{ transform:scaleX(1); }
@media (min-width:1024px){
  .btn{ height:48px; padding:0 28px; }
}

/* ---------- 通用板块 ---------- */
.sec{ padding-block:56px; }
@media (min-width:768px){ .sec{ padding-block:72px; } }
@media (min-width:1024px){ .sec{ padding-block:104px; } }
.sec-head{ max-width:640px; margin-bottom:32px; }
.sec-head h2{ font-size:24px; line-height:1.3; letter-spacing:-.3px; }
.sec-head p{ margin-top:12px; font-size:15px; color:var(--ink-500); max-width:42ch; }
@media (min-width:768px){ .sec-head h2{ font-size:28px; } }
@media (min-width:1024px){ .sec-head h2{ font-size:32px; } }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:var(--brand-050);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
  letter-spacing:.2px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px; height:6px;
  border-radius:50%;
  background:var(--brand-500);
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--surface-2);
  color:var(--ink-500);
}
.badge-lemon{ background:var(--lemon-400); color:var(--ink-900); }
.badge-brand{ background:var(--brand-050); color:var(--brand-600); }

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg);
  padding-top:28px;
  padding-bottom:40px;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:0; left:0; right:0;
  height:200px;
  max-height:240px;
  background:var(--grad-brand);
  opacity:.09;
  pointer-events:none;
}
.page-hero .container{ position:relative; z-index:1; }
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--ink-500);
  margin-bottom:20px;
}
.breadcrumb a{ color:var(--ink-500); }
.breadcrumb a:hover{ color:var(--brand-600); }
.breadcrumb span.sep{ color:#B9C7C1; }

.hero-grid{
  display:grid;
  gap:26px;
}
.hero-copy h1{
  font-size:28px;
  line-height:1.25;
  letter-spacing:-.4px;
}
.hero-copy h1 .grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  margin-top:14px;
  font-size:15px;
  color:var(--ink-500);
  max-width:44ch;
}
.hero-actions{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--grad-brand);
  aspect-ratio:16/10;
}
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:var(--grad-brand);
  opacity:.12;
}
.hero-badges{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.hero-badge{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 16px;
  box-shadow:var(--sh-1);
}
.hero-badge strong{
  display:block;
  font-size:20px;
  color:var(--brand-600);
  line-height:1.2;
}
.hero-badge span{
  display:block;
  margin-top:4px;
  font-size:12px;
  color:var(--ink-500);
}
@media (min-width:768px){
  .page-hero{ padding-top:44px; padding-bottom:56px; }
  .hero-copy h1{ font-size:34px; }
  .hero-badges{ grid-template-columns:repeat(4,minmax(0,1fr)); }
}
@media (min-width:1024px){
  .page-hero{ padding-top:64px; padding-bottom:72px; }
  .hero-grid{ grid-template-columns:1.08fr .92fr; align-items:center; gap:48px; }
  .hero-copy h1{ font-size:44px; letter-spacing:-.5px; }
  .hero-lead{ font-size:16px; }
}

/* ---------- 标签条 ---------- */
.tabs-wrap{
  margin-top:-6px;
  padding-bottom:8px;
}
.tabs{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:6px 2px 12px;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{ display:none; }
.tab{
  flex:0 0 auto;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  font-size:14px;
  font-weight:600;
  transition:all .2s var(--ease);
}
.tab:hover{ border-color:var(--brand-500); color:var(--brand-600); background:var(--brand-050); }
.tab.is-active{
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
  box-shadow:0 8px 18px rgba(15,169,104,.24);
}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  gap:20px;
}
@media (min-width:768px){
  .card-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
}
.info-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;
  flex-direction:column;
}
.info-card::before{
  content:"";
  position:absolute;
  top:0; left:0;
  height:3px;
  width:100%;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s var(--ease);
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-3);
}
.info-card:hover::before{ transform:scaleX(1); }
.info-card.is-hidden{ display:none; }
.card-icon{
  width:44px; height:44px;
  border-radius:14px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.card-icon svg{ width:22px; height:22px; stroke-width:1.8; }
.info-card h3{
  font-size:19px;
  line-height:1.4;
}
.info-card p{
  margin-top:10px;
  font-size:14px;
  color:var(--ink-500);
  max-width:40ch;
}
.card-foot{
  margin-top:18px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
@media (min-width:1024px){
  .info-card{ padding:28px; }
  .info-card h3{ font-size:21px; }
}

/* ---------- 对比表 ---------- */
.table-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-wrap{ overflow-x:auto; }
table{
  width:100%;
  min-width:660px;
  border-collapse:collapse;
  font-size:14px;
}
thead th{
  background:var(--brand-050);
  color:var(--ink-900);
  font-size:13px;
  font-weight:700;
  text-align:left;
  padding:15px 18px;
  white-space:nowrap;
}
tbody td{
  padding:15px 18px;
  border-top:1px solid var(--line);
  color:var(--ink-700);
  vertical-align:top;
}
tbody tr:nth-child(even){ background:var(--surface-2); }
tbody tr:hover{ background:#E9F6F0; }
tbody td:first-child{ font-weight:600; color:var(--ink-900); }
.table-note{
  padding:14px 18px;
  font-size:12px;
  color:var(--ink-500);
  border-top:1px solid var(--line);
  background:#fff;
}

/* ---------- 深色数据面板 ---------- */
.panel-sec{ padding-block:56px; }
@media (min-width:768px){ .panel-sec{ padding-block:72px; } }
@media (min-width:1024px){ .panel-sec{ padding-block:104px; } }
.hud{
  position:relative;
  border-radius:var(--r-xl);
  background:linear-gradient(140deg,#0B2E23 0%,#0F4A34 100%);
  color:#EAF6F0;
  padding:28px 22px;
  overflow:hidden;
  box-shadow:var(--sh-3);
}
.hud::before{
  content:"";
  position:absolute;
  right:-70px; top:-70px;
  width:260px; height:260px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 0 0 42px rgba(255,255,255,.04);
}
.hud::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(62,211,160,.6),transparent);
}
.hud-head{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  justify-content:space-between;
}
.hud-head h2{
  color:#fff;
  font-size:20px;
  letter-spacing:-.2px;
}
.hud-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(62,211,160,.16);
  color:var(--brand-400);
  font-size:12px;
  font-weight:600;
}
.hud-grid{
  position:relative;
  z-index:1;
  margin-top:22px;
  display:grid;
  gap:14px;
}
.hud-item{
  border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  padding:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.hud-item:hover{ background:rgba(255,255,255,.08); border-color:rgba(62,211,160,.45); }
.hud-item .label{ font-size:14px; color:#D6EDE4; }
.hud-item .label small{ display:block; font-size:12px; color:rgba(255,255,255,.55); margin-top:2px; }
.hud-item .value{
  font-size:15px;
  font-weight:700;
  color:var(--brand-400);
  white-space:nowrap;
}
@media (min-width:768px){
  .hud{ padding:40px 36px; }
  .hud-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .hud-head h2{ font-size:24px; }
}

/* ---------- 流程路径 ---------- */
.path{
  display:grid;
  gap:16px;
  counter-reset:step;
}
.path-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.path-item:hover{ transform:translateY(-4px); box-shadow:var(--sh-3); }
.path-num{
  font-family:'DIN Alternate','Bahnschrift','Roboto Mono',ui-monospace,monospace;
  font-size:26px;
  font-weight:700;
  color:rgba(15,169,104,.22);
  line-height:1;
  margin-bottom:10px;
  display:block;
}
.path-item h3{ font-size:18px; }
.path-item p{ margin-top:8px; font-size:14px; color:var(--ink-500); }
@media (min-width:768px){ .path{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (min-width:1024px){ .path{ grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; } }

/* ---------- FAQ ---------- */
.faq-list{
  display:grid;
  gap:14px;
}
.faq-item{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  text-align:left;
  padding:16px 18px;
  min-height:52px;
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
}
.faq-q::before{
  content:"";
  flex:0 0 auto;
  width:4px;
  align-self:stretch;
  min-height:22px;
  border-radius:2px;
  background:var(--grad-brand);
}
.faq-q .mark{
  margin-left:auto;
  flex:0 0 auto;
  width:22px; height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-600);
  font-size:18px;
  font-weight:700;
  transition:transform .26s var(--ease);
}
.faq-item.is-open .faq-q .mark{ transform:rotate(180deg); }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 18px 18px 36px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-700);
}
@media (min-width:1024px){
  .faq-list{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}

/* ---------- CTA ---------- */
.cta-sec{ padding-block:56px 64px; }
@media (min-width:768px){ .cta-sec{ padding-block:72px 80px; } }
@media (min-width:1024px){ .cta-sec{ padding-block:96px 104px; } }
.cta-box{
  position:relative;
  border-radius:var(--r-xl);
  background:linear-gradient(140deg,#0B2E23 0%,#0F4A34 100%);
  padding:36px 24px;
  overflow:hidden;
  text-align:center;
}
.cta-box::before{
  content:"";
  position:absolute;
  left:-80px; bottom:-120px;
  width:300px; height:300px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 0 0 46px rgba(255,255,255,.03);
}
.cta-box h2{
  position:relative;
  z-index:1;
  color:#fff;
  font-size:22px;
  line-height:1.35;
}
.cta-box p{
  position:relative;
  z-index:1;
  margin-top:12px;
  font-size:15px;
  color:rgba(255,255,255,.72);
}
.cta-actions{
  position:relative;
  z-index:1;
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
}
@media (min-width:768px){
  .cta-box{ padding:52px 40px; }
  .cta-box h2{ font-size:28px; }
}
@media (min-width:1024px){
  .cta-box{ padding:56px; }
  .cta-box h2{ font-size:32px; }
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep-900);
  color:rgba(255,255,255,.72);
  padding-top:48px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  gap:28px;
  padding-bottom:32px;
}
.footer-brand .logo{ color:#fff; }
.footer-brand .logo:hover{ color:#fff; }
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:34ch;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:14px;
  font-weight:700;
}
.footer-col ul{ display:grid; gap:10px; }
.footer-col a{
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:color .2s var(--ease);
}
.footer-col a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 26px;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
@media (min-width:768px){
  .site-footer{ padding-top:64px; }
  .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:32px; padding-bottom:40px; }
  .footer-bottom{ flex-direction:row; align-items:center; justify-content:space-between; }
}
@media (min-width:1024px){
  .footer-grid{ grid-template-columns:1.6fr 1fr 1fr 1fr; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
}