/* roulang page: index */
:root{
  --bg:#071019;
  --panel:#0B1A26;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --cyan:#1FB6D6;
  --cyan-soft:rgba(31,182,214,.12);
  --brass:#C8A15A;
  --ok:#3FBF8F;
  --warn:#E0A33B;
  --err:#F06767;
  --t1:#EAF3F8;
  --t2:#9CB2C1;
  --t3:#64798A;
  --glass:rgba(255,255,255,.055);
  --r-lg:18px;
  --r-sm:14px;
  --r-in:12px;
  --r-pill:999px;
  --sh:0 16px 44px rgba(0,0,0,.45);
  --sh-h:0 22px 60px rgba(0,0,0,.55);
  --sec:clamp(64px,7vw,112px);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  right:-18vw;
  bottom:-22vw;
  width:60vw;
  height:60vw;
  background:radial-gradient(circle,rgba(31,182,214,.14),transparent 62%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);object-fit:cover}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#5ad3ec}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.num,.tab{font-variant-numeric:tabular-nums}
::selection{background:rgba(31,182,214,.35);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A1620}
::-webkit-scrollbar-thumb{background:rgba(31,182,214,.35);border-radius:999px;border:2px solid #0A1620}
::-webkit-scrollbar-thumb:hover{background:rgba(31,182,214,.6)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media(min-width:1440px){.container{max-width:1320px}}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease,backdrop-filter .24s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,16,25,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--t1)}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(31,182,214,.28),rgba(11,26,38,.9));
  border:1px solid rgba(31,182,214,.45);
  box-shadow:0 0 22px rgba(31,182,214,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:.06em}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  margin-left:12px;
  padding:6px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--t2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:transparent;transition:background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--t1);background:rgba(255,255,255,.06)}
.nav-link.is-active::before{background:var(--cyan);box-shadow:0 0 10px rgba(31,182,214,.9)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.link-ghost{
  font-size:14px;color:var(--t2);
  text-decoration:underline;
  text-decoration-color:rgba(31,182,214,.55);
  text-underline-offset:4px;
}
.link-ghost:hover{color:var(--cyan)}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;margin:3px auto;transition:transform .24s ease,opacity .24s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* drawer */
.drawer{
  position:fixed;inset:0;
  z-index:90;
  display:none;
  background:rgba(5,12,19,.96);
  backdrop-filter:blur(18px);
  flex-direction:column;
  padding:96px 24px 0;
}
.drawer.is-open{display:flex}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4px;
  font-size:20px;
  color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link span{font-size:13px;color:var(--t3)}
.drawer-foot{
  margin-top:auto;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
}
.drawer-foot .btn{width:100%;justify-content:center;min-height:48px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
  text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,#26C4E4,#1FA6C6);
  color:#04121A;
  box-shadow:0 0 22px rgba(31,182,214,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 30px rgba(31,182,214,.55);color:#04121A}
.btn-ghost{
  background:transparent;
  border-color:rgba(31,182,214,.5);
  color:var(--t1);
}
.btn-ghost:hover{background:rgba(31,182,214,.08);color:var(--t1);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0) scale(.99)}
.btn.is-loading{pointer-events:none;opacity:.85}
.btn.is-loading .spin{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.text-link{
  color:var(--cyan);
  font-size:14px;
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:4px;
}
.text-link:hover{color:#63ddf3}

/* ============ SECTION SHELL ============ */
.section{padding:var(--sec) 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{font-size:clamp(24px,3.2vw,36px);display:flex;align-items:center;gap:14px}
.section-title::before{
  content:"";flex:0 0 auto;
  width:6px;height:22px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),rgba(31,182,214,0));
  box-shadow:0 0 14px rgba(31,182,214,.5);
}
.section-title.brass::before{background:linear-gradient(180deg,var(--brass),rgba(200,161,90,0))}
.section-sub{margin-top:12px;color:var(--t2);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;
  color:var(--brass);
  border:1px solid rgba(200,161,90,.35);
  background:rgba(200,161,90,.08);
  padding:6px 14px;border-radius:8px;
  margin-bottom:20px;
}
.hr-brass{height:1px;background:linear-gradient(90deg,rgba(200,161,90,.7),rgba(200,161,90,0));border:0;margin:0}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:clamp(48px,6vw,88px) 0 clamp(56px,6vw,92px);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.5;
  z-index:0;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,25,.55),rgba(7,16,25,.92) 70%,#071019);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.2;
  margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(31,182,214,.35) 62%);
  padding:0 2px;
}
.hero-sub{color:var(--t2);font-size:clamp(16px,1.5vw,18px);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,42px);
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stat{display:flex;flex-direction:column;gap:2px;min-width:120px}
.hero-stat b{font-size:26px;font-weight:800;color:var(--t1);line-height:1.2}
.hero-stat b i{font-style:normal;font-size:13px;color:var(--brass);font-weight:700;margin-left:4px}
.hero-stat span{font-size:12px;color:var(--t3);letter-spacing:.04em}

.entry-panel{
  position:relative;
  border-radius:var(--r-lg);
  padding:26px;
  background:rgba(255,255,255,.055);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  overflow:hidden;
}
.entry-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(31,182,214,0),rgba(31,182,214,.85),rgba(31,182,214,0));
}
.entry-panel::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.16;z-index:0;
}
.entry-panel > *{position:relative;z-index:1}
.entry-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.live{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ok)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px rgba(63,191,143,.9);display:inline-block;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.entry-tag{font-size:11.5px;color:var(--brass);border:1px solid rgba(200,161,90,.35);background:rgba(200,161,90,.08);border-radius:8px;padding:4px 10px}
.entry-title{font-size:17px;font-weight:700;margin-bottom:6px}
.entry-note{font-size:13px;color:var(--t2);margin-bottom:20px}
.entry-rows{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.entry-row{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;
  border-radius:var(--r-in);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.entry-row .ico{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(31,182,214,.12);
  border:1px solid rgba(31,182,214,.3);
}
.entry-row .ico svg{width:16px;height:16px}
.entry-row .txt{display:flex;flex-direction:column;line-height:1.4;min-width:0}
.entry-row .txt b{font-size:13.5px;font-weight:600}
.entry-row .txt span{font-size:12px;color:var(--t3)}
.entry-row .val{margin-left:auto;font-size:12.5px;color:var(--brass);white-space:nowrap}
.entry-foot{font-size:12px;color:var(--t3);text-align:center;margin-top:14px}

/* ============ METRICS ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  position:relative;
  padding:26px 24px 24px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--cyan),rgba(31,182,214,0));
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(31,182,214,.35)}
.metric-card .label{font-size:12.5px;color:var(--t3);letter-spacing:.08em;margin-bottom:14px}
.metric-card .value{display:flex;align-items:baseline;gap:6px;font-weight:800;font-size:clamp(28px,3.2vw,44px);line-height:1;color:var(--t1)}
.metric-card .value em{font-style:normal;font-size:15px;font-weight:700;color:var(--brass)}
.metric-card .desc{margin-top:14px;font-size:13px;color:var(--t2);line-height:1.7}

/* ============ SERVICES BENTO ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-card{
  position:relative;
  border-radius:var(--r-lg);
  padding:30px;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.bento-card:hover{border-color:rgba(31,182,214,.3);transform:translateY(-4px);box-shadow:var(--sh-h)}
.bento-card:hover .bento-ico{transform:translateX(4px)}
.bento-a{grid-column:span 8}
.bento-b{grid-column:span 4}
.bento-c{grid-column:span 4}
.bento-d{grid-column:span 8}
.bento-e{grid-column:span 12;flex-direction:row;align-items:center;gap:26px;padding:26px 30px}
.bento-num{
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--brass);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
}
.bento-num::after{content:"";width:36px;height:1px;background:rgba(200,161,90,.5)}
.bento-card h3{font-size:clamp(19px,2vw,23px);margin-bottom:12px}
.bento-card p{color:var(--t2);font-size:14.5px}
.bento-ico{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(31,182,214,.12);
  border:1px solid rgba(31,182,214,.32);
  transition:transform .25s ease;
  margin-bottom:18px;flex:0 0 auto;
}
.bento-ico svg{width:20px;height:20px}
.bento-e .bento-ico{margin-bottom:0}
.bento-e .bento-txt{display:flex;flex-direction:column;gap:6px}
.bento-e .bento-txt h4{font-size:17px}
.bento-e .bento-txt p{font-size:14px}
.bento-arrow{margin-top:auto;padding-top:20px;font-size:13.5px;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.bento-e .bento-arrow{margin-left:auto;margin-top:0;padding-top:0;white-space:nowrap}

/* ============ POSTS ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--sh-h);border-color:rgba(31,182,214,.32)}
.post-card:hover .post-title{color:var(--cyan)}
.post-thumb{position:relative;aspect-ratio:16/10;background:rgba(255,255,255,.08);overflow:hidden}
.post-thumb img{width:100%;height:100%;border-radius:0}
.post-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:8px;
  font-size:12px;
  background:rgba(31,182,214,.16);
  border:1px solid rgba(31,182,214,.4);
  color:#7fe0f5;
  backdrop-filter:blur(8px);
}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--t1);transition:color .2s ease;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{font-size:14px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3)}
.post-card--feature{grid-column:1/-1;flex-direction:row}
.post-card--feature .post-thumb{flex:0 0 46%;aspect-ratio:auto;min-height:260px}
.post-card--feature .post-body{padding:32px;gap:16px;justify-content:center}
.post-card--feature .post-title{font-size:clamp(20px,2.2vw,26px);-webkit-line-clamp:2}
.post-card--feature .post-excerpt{font-size:15px;-webkit-line-clamp:3;max-width:640px}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:64px 24px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px dashed var(--line-strong);
  backdrop-filter:blur(14px);
}
.empty-state .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;background:rgba(31,182,214,.1);border:1px solid rgba(31,182,214,.3)}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:20px}

/* ============ COMPARE ============ */
.compare-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:start}
.compare-frame{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--sh);
  aspect-ratio:16/10;
  background:#0A1620;
}
.compare-frame img{position:absolute;inset:0;width:100%;height:100%;border-radius:0}
.compare-before{filter:grayscale(60%) brightness(.72) saturate(.9)}
.compare-after{position:absolute;inset:0;clip-path:inset(0 0 0 56%);border-left:1px solid rgba(200,161,90,.6)}
.compare-after img{filter:saturate(1.08)}
.compare-handle{
  position:absolute;top:0;bottom:0;left:56%;width:2px;
  background:var(--brass);
  box-shadow:0 0 18px rgba(200,161,90,.7);
  pointer-events:none;
}
.compare-handle::after{
  content:"↔";
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(11,26,38,.9);
  border:1px solid var(--brass);
  color:var(--brass);font-size:16px;
}
.compare-range{
  position:absolute;inset:0;
  width:100%;height:100%;
  opacity:0;cursor:ew-resize;margin:0;
}
.compare-labels{display:flex;justify-content:space-between;margin-top:14px;font-size:13px;color:var(--t3)}
.compare-labels b{color:var(--brass);font-weight:600}
.result-list{display:flex;flex-direction:column;gap:18px}
.result-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:border-color .25s ease,transform .25s ease;
}
.result-item:hover{border-color:rgba(200,161,90,.4);transform:translateY(-3px)}
.result-item .ico{width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;background:rgba(200,161,90,.12);border:1px solid rgba(200,161,90,.35)}
.result-item .ico svg{width:18px;height:18px}
.result-item h4{font-size:16px;margin-bottom:6px}
.result-item p{font-size:13.5px;color:var(--t2)}
.result-item .kpi{font-weight:800;color:var(--brass);font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item.is-open{border-color:rgba(31,182,214,.35)}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;
  background:none;border:0;
  text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t1);
}
.faq-idx{font-size:13px;font-weight:800;color:var(--brass);font-variant-numeric:tabular-nums;flex:0 0 auto}
.faq-toggle{
  margin-left:auto;flex:0 0 auto;
  width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(31,182,214,.45);
  color:var(--cyan);font-size:16px;line-height:1;
  transition:background .2s ease,transform .3s ease;
}
.faq-item.is-open .faq-toggle{background:rgba(31,182,214,.16);transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a-inner{padding:0 22px 22px 60px;color:var(--t2);font-size:14.5px;line-height:1.85}

/* ============ CTA FORM ============ */
.cta-section{
  position:relative;
  border-radius:24px;
  padding:clamp(32px,4vw,56px);
  background:linear-gradient(140deg,rgba(31,182,214,.10),rgba(11,26,38,.85) 46%,rgba(200,161,90,.08));
  border:1px solid var(--line-strong);
  box-shadow:var(--sh);
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.12;z-index:0;
}
.cta-section > *{position:relative;z-index:1}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,54px);align-items:start}
.trust-list{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-item .ico{width:36px;height:36px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;background:rgba(63,191,143,.12);border:1px solid rgba(63,191,143,.35)}
.trust-item .ico svg{width:16px;height:16px}
.trust-item p{font-size:14.5px;color:var(--t2)}
.form-card{
  border-radius:var(--r-lg);
  padding:28px;
  background:rgba(255,255,255,.055);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh);
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;color:var(--t2)}
.field input,.field select,.field textarea{
  width:100%;
  padding:13px 15px;
  border-radius:var(--r-in);
  background:rgba(7,16,25,.65);
  border:1px solid var(--line-strong);
  color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(31,182,214,.7);
  box-shadow:0 0 0 4px rgba(31,182,214,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:rgba(240,103,103,.8);box-shadow:0 0 0 4px rgba(240,103,103,.1)}
.field .err{font-size:12.5px;color:var(--err);display:none}
.field.has-error .err{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12px;color:var(--t3);margin-top:14px;line-height:1.65}
.form-ok{
  display:none;
  margin-top:14px;
  padding:12px 16px;
  border-radius:var(--r-in);
  background:rgba(63,191,143,.12);
  border:1px solid rgba(63,191,143,.4);
  color:#8fe4c2;
  font-size:13.5px;
}
.form-ok.is-show{display:block}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:var(--sec);
  background:var(--panel);
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(31,182,214,0),rgba(31,182,214,.5),rgba(31,182,214,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:40px;
  padding:clamp(48px,5vw,72px) 0 40px;
}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-brand p{font-size:14px;color:var(--t2);max-width:320px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--t1);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--t2)}
.footer-col a:hover{color:var(--cyan)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--t2)}
.footer-contact b{color:var(--t1);font-weight:600}
.mini-form{display:flex;gap:10px;margin-top:16px}
.mini-form input{
  flex:1;min-width:0;
  padding:11px 14px;
  border-radius:var(--r-in);
  background:rgba(7,16,25,.7);
  border:1px solid var(--line-strong);
  color:var(--t1);
}
.mini-form input:focus{outline:none;border-color:rgba(31,182,214,.7)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--cyan)}

/* ============ RESPONSIVE ============ */
@media(max-width:1200px){
  .nav-link{padding:9px 14px;font-size:14px}
  .bento-a{grid-column:span 7}
  .bento-b{grid-column:span 5}
  .bento-c{grid-column:span 5}
  .bento-d{grid-column:span 7}
}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .compare-wrap{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 12}
  .bento-e{flex-direction:column;align-items:flex-start;gap:16px}
  .bento-e .bento-arrow{margin-left:0}
}
@media(max-width:768px){
  .nav-pill,.header-actions .link-ghost{display:none}
  .menu-toggle{display:grid}
  .header-actions .btn-primary{display:none}
  .post-card--feature{flex-direction:column}
  .post-card--feature .post-thumb{flex:none;min-height:0;aspect-ratio:16/10}
  .post-card--feature .post-body{padding:24px}
  .faq-a-inner{padding-left:22px}
}
@media(max-width:560px){
  .container{padding:0 20px}
  .metric-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .hero-stat{min-width:100px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .mini-form{flex-direction:column}
  .compare-labels{font-size:12px}
}

/* roulang page: category1 */
:root{
  --bg:#071019;
  --panel:#0B1A26;
  --panel-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --primary:#1FB6D6;
  --primary-soft:rgba(31,182,214,.12);
  --primary-line:rgba(31,182,214,.32);
  --brass:#C8A15A;
  --ok:#3FBF8F;
  --warn:#E0A33B;
  --err:#F06767;
  --t1:#EAF3F8;
  --t2:#9CB2C1;
  --t3:#64798A;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --r-badge:8px;
  --shadow:0 16px 44px rgba(0,0,0,.45);
  --shadow-hover:0 22px 60px rgba(0,0,0,.55);
  --sec-gap:clamp(64px,7vw,112px);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  right:-12%;
  bottom:-18%;
  width:60vw;
  height:60vw;
  background:radial-gradient(circle,rgba(31,182,214,.10) 0%,rgba(31,182,214,0) 62%);
  pointer-events:none;
  z-index:0;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#57d3ec;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--t1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
::selection{background:rgba(31,182,214,.34);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0A1520;}
::-webkit-scrollbar-thumb{background:rgba(31,182,214,.35);border-radius:99px;border:2px solid #0A1520;}
::-webkit-scrollbar-thumb:hover{background:rgba(31,182,214,.55);}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1440px){.container{max-width:1320px;}}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(7,16,25,.92) 0%,rgba(7,16,25,.55) 70%,rgba(7,16,25,0) 100%);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease,backdrop-filter .24s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,16,25,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--t1);}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(31,182,214,.10);
  border:1px solid var(--primary-line);
  box-shadow:0 0 22px rgba(31,182,214,.16) inset;
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--t3);letter-spacing:.04em;}

.nav-pill{
  display:flex;
  align-items:center;
  gap:4px;
  padding:6px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--t2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(31,182,214,.85);
  opacity:0;
  transform:scale(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--t1);background:rgba(31,182,214,.10);}
.nav-link.is-active::before{opacity:1;transform:scale(1);}

.header-actions{display:flex;align-items:center;gap:16px;}
.header-text-link{font-size:14px;color:var(--t2);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(31,182,214,.5);}
.header-text-link:hover{color:var(--primary);}

.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .24s ease,opacity .24s ease;}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:var(--primary);
  color:#04141B;
  border:1px solid rgba(31,182,214,.9);
  box-shadow:0 0 22px rgba(31,182,214,.35);
}
.btn-primary:hover{
  color:#04141B;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 30px rgba(31,182,214,.55);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--t1);
  border:1px solid var(--primary-line);
}
.btn-ghost:hover{background:rgba(31,182,214,.08);color:var(--t1);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;min-height:38px;}
.btn-lg{padding:15px 34px;font-size:16px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.btn-link:hover{color:#57d3ec;gap:10px;}

/* ---------- section heading ---------- */
.section{padding:var(--sec-gap) 0;position:relative;}
.section-head{margin-bottom:28px;max-width:760px;}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.25;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:6px;height:22px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(31,182,214,.15));
  box-shadow:0 0 14px rgba(31,182,214,.5);
}
.section-head p{margin-top:14px;color:var(--t2);font-size:15.5px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;
  color:var(--brass);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass);opacity:.7;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  margin-top:74px;
  min-height:clamp(280px,34vw,420px);
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  filter:saturate(.85);
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(7,16,25,.94) 0%,rgba(7,16,25,.72) 52%,rgba(7,16,25,.58) 100%),
    linear-gradient(180deg,rgba(7,16,25,.55) 0%,rgba(7,16,25,.9) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:40px;
  align-items:center;
  padding:clamp(44px,5vw,72px) 0;
  width:100%;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.2;
  margin-bottom:16px;
}
.hero h1 span{color:var(--primary);}
.hero-sub{color:var(--t2);font-size:clamp(15px,1.5vw,17px);max-width:640px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  font-size:13.5px;
  color:var(--t1);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.hero-pill:hover{border-color:var(--primary-line);background:rgba(31,182,214,.12);color:var(--t1);transform:translateY(-2px);}
.hero-pill b{color:var(--brass);font-weight:700;font-variant-numeric:tabular-nums;}

.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
  background:var(--panel);
}
.hero-visual img{width:100%;height:100%;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,25,.05) 40%,rgba(7,16,25,.82) 100%);
}
.hero-visual-cap{
  position:absolute;
  left:16px;right:16px;bottom:14px;
  z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t2);
}
.hero-visual-cap b{color:var(--brass);font-variant-numeric:tabular-nums;font-weight:700;}

.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--t3);
  margin-bottom:18px;
}
.crumbs a{color:var(--t3);}
.crumbs a:hover{color:var(--primary);}
.crumbs i{font-style:normal;color:rgba(31,182,214,.4);}

/* ---------- steps ---------- */
.steps{display:flex;flex-direction:column;gap:0;}
.step{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
  padding-bottom:36px;
}
.step:last-child{padding-bottom:0;}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  left:27px;top:58px;bottom:6px;
  border-left:1px dashed rgba(31,182,214,.35);
}
.step-no{
  width:56px;height:56px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:16px;font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.055);
  border:1px solid var(--primary-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 20px rgba(31,182,214,.16);
  z-index:2;
}
.step-body{
  padding:20px 24px;
  border-radius:var(--r-lg);
  background:var(--panel-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.step-body:hover{border-color:var(--primary-line);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-body h3{font-size:20px;margin-bottom:8px;}
.step-body p{color:var(--t2);font-size:15px;max-width:760px;}
.step-note{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:14px;
  font-size:13px;color:var(--brass);
}
.step-note::before{content:"";width:14px;height:1px;background:var(--brass);}

/* ---------- entry cards ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.entry-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--panel-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.entry-card::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,rgba(31,182,214,.9),rgba(31,182,214,0));
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--primary-line);box-shadow:var(--shadow-hover);}
.entry-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:rgba(31,182,214,.12);
  border:1px solid var(--primary-line);
  color:var(--primary);
  transition:transform .22s ease;
}
.entry-card:hover .entry-icon{transform:translateX(4px);}
.entry-icon svg{width:22px;height:22px;}
.entry-card h3{font-size:18px;}
.entry-card p{color:var(--t2);font-size:14.5px;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-lg);
  background:var(--panel-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:0 0 0 1px rgba(31,182,214,.12),var(--shadow);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--t1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-index{
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  color:var(--brass);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.faq-q span.q-text{flex:1;}
.faq-toggle{
  flex:0 0 auto;
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:16px;
  line-height:1;
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.faq-item.is-open .faq-toggle{transform:rotate(45deg);border-color:var(--primary-line);background:var(--primary-soft);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a-inner{
  padding:0 24px 22px 60px;
  color:var(--t2);
  font-size:15px;
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- cta strip ---------- */
.cta-strip{
  padding:0 0 var(--sec-gap);
}
.cta-strip-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:clamp(26px,3.4vw,40px);
  border-radius:var(--r-lg);
  border:1px solid var(--primary-line);
  background:
    radial-gradient(120% 160% at 0% 0%,rgba(31,182,214,.16) 0%,rgba(31,182,214,0) 58%),
    var(--panel);
  box-shadow:var(--shadow);
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-strip p{color:var(--t2);font-size:15px;max-width:640px;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  background:var(--panel);
  padding:64px 0 0;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(31,182,214,0) 0%,rgba(31,182,214,.35) 50%,rgba(31,182,214,0) 100%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--t2);font-size:14px;max-width:320px;}
.footer-col h4{
  font-size:15px;
  margin-bottom:18px;
  padding-left:12px;
  position:relative;
}
.footer-col h4::before{
  content:"";
  position:absolute;left:0;top:.35em;
  width:3px;height:16px;border-radius:2px;
  background:var(--brass);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:var(--t2);font-size:14px;}
.footer-col ul a:hover{color:var(--primary);}
.footer-contact{display:flex;flex-direction:column;gap:9px;margin-bottom:18px;}
.footer-contact span{color:var(--t2);font-size:14px;}
.footer-contact b{color:var(--t1);font-weight:600;}
.mini-form{display:flex;gap:10px;flex-wrap:wrap;}
.mini-form input{
  flex:1 1 150px;
  min-height:44px;
  padding:10px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.mini-form input::placeholder{color:var(--t3);}
.mini-form input:focus{outline:none;border-color:var(--primary-line);box-shadow:0 0 0 3px rgba(31,182,214,.14);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:var(--t3);}
.footer-bottom .links a:hover{color:var(--primary);}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;
  inset:74px 0 0 0;
  z-index:99;
  background:rgba(7,16,25,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  display:none;
  flex-direction:column;
  padding:22px 20px 28px;
  overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-link{
  display:block;
  padding:18px 4px;
  font-size:20px;
  color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:26px;}
.drawer-foot .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:98;
  background:rgba(0,0,0,.5);
  display:none;
}
.drawer-mask.is-open{display:block;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:992px){
  .nav-pill{display:none;}
  .header-actions .header-text-link{display:none;}
  .hamburger{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:30px;}
  .hero-visual{max-width:520px;}
  .entry-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{min-height:68px;}
  .drawer{inset:68px 0 0 0;}
  .brand-text em{display:none;}
  .section-head h2{padding-left:14px;}
  .section-head h2::before{width:4px;height:18px;}
  .step{grid-template-columns:44px 1fr;gap:16px;}
  .step-no{width:44px;height:44px;font-size:14px;}
  .step:not(:last-child)::after{left:21px;top:46px;}
  .step-body{padding:18px;}
  .faq-a-inner{padding:0 18px 20px 18px;}
  .faq-q{padding:18px;font-size:15.5px;gap:12px;}
  .cta-strip-inner{flex-direction:column;align-items:flex-start;}
  .cta-strip-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:560px){
  body{font-size:15.5px;}
  .hero{margin-top:68px;}
  .hero-pill{font-size:12.5px;padding:8px 14px;}
  .header-actions .btn-sm{padding:8px 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;}
  .entry-card{padding:20px;}
  .step{grid-template-columns:38px 1fr;gap:12px;}
  .step-no{width:38px;height:38px;font-size:13px;}
  .step:not(:last-child)::after{left:18px;top:40px;}
}

/* roulang page: article */
:root{
  --bg:#071019;
  --panel:#0B1A26;
  --panel-2:#0E2130;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.055);
  --primary:#1FB6D6;
  --primary-08:rgba(31,182,214,.08);
  --primary-12:rgba(31,182,214,.12);
  --primary-30:rgba(31,182,214,.30);
  --brass:#C8A15A;
  --ok:#3FBF8F;
  --warn:#E0A33B;
  --err:#F06767;
  --t1:#EAF3F8;
  --t2:#9CB2C1;
  --t3:#64798A;
  --r-lg:18px;
  --r-sm:14px;
  --r-xs:12px;
  --r-badge:8px;
  --r-pill:999px;
  --sh:0 16px 44px rgba(0,0,0,.45);
  --sh-hover:0 22px 60px rgba(0,0,0,.55);
  --maxw:1240px;
  --sect:clamp(64px,7vw,112px);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,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;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(31,182,214,.32);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#050D14;}
::-webkit-scrollbar-thumb{background:rgba(31,182,214,.28);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(31,182,214,.45);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(7,16,25,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:13px;
  background:linear-gradient(150deg,rgba(31,182,214,.22),rgba(200,161,90,.14));
  border:1px solid var(--line-strong);
  box-shadow:0 0 22px rgba(31,182,214,.18);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:.05em;white-space:nowrap;}
.nav-pill{
  display:flex;align-items:center;gap:4px;padding:6px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.nav-link{
  position:relative;padding:9px 18px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--t2);transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.055);}
.nav-link.is-active{color:var(--t1);font-weight:600;}
.nav-link.is-active::before{
  content:"";position:absolute;left:7px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 10px rgba(31,182,214,.95);
}
.header-actions{display:flex;align-items:center;gap:18px;}
.header-actions .text-link{font-size:14px;color:var(--t2);transition:color .2s ease;border-bottom:1px solid transparent;}
.header-actions .text-link:hover{color:var(--primary);border-bottom-color:var(--primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
  place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{
  background:var(--primary);color:#04141B;
  box-shadow:0 0 22px rgba(31,182,214,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 30px rgba(31,182,214,.5);}
.btn-ghost{
  background:transparent;color:var(--t1);border-color:var(--primary-30);
}
.btn-ghost:hover{background:var(--primary-08);border-color:var(--primary);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,8,12,.7);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:95;
  background:var(--panel);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s 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:22px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);color:var(--t1);font-size:20px;line-height:1;display:grid;place-items:center;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:16px 4px;font-size:17px;color:var(--t2);
  border-bottom:1px solid var(--line);transition:color .2s ease,padding-left .2s ease;
}
.drawer-nav a:hover{color:var(--t1);padding-left:10px;}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;}
.drawer-cta{margin-top:auto;padding-top:22px;}

/* ---------- 通用板块 ---------- */
main{position:relative;z-index:1;}
.section{padding:var(--sect) 0;}
.section-head{margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--brass);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brass);opacity:.8;}
h2.section-title{
  font-size:clamp(24px,3.2vw,36px);font-weight:700;letter-spacing:-.01em;line-height:1.25;
  display:flex;align-items:center;gap:14px;
}
h2.section-title::before{
  content:"";flex:none;width:6px;height:22px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(31,182,214,.2));
  box-shadow:0 0 14px rgba(31,182,214,.45);
}
.section-sub{margin-top:12px;color:var(--t2);font-size:15.5px;max-width:720px;}
.glass{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.34),transparent);
}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:calc(76px + clamp(48px,6vw,84px)) 0 clamp(30px,4vw,46px);
  background-image:linear-gradient(180deg,rgba(7,16,25,.86),rgba(7,16,25,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 260px at 85% 10%,rgba(31,182,214,.16),transparent 70%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12px;color:var(--t3);margin-bottom:16px;
}
.breadcrumb a{color:var(--t3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--primary);opacity:.4;}
.breadcrumb .crumb-current{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t2);
}
.article-title{
  font-size:clamp(28px,4.2vw,48px);
  font-weight:700;line-height:1.24;letter-spacing:-.01em;
  max-width:920px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:18px;font-size:13px;color:var(--t3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);opacity:.55;}
.article-meta b{color:var(--brass);font-weight:700;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-cat{background:var(--primary-12);color:var(--primary);border:1px solid rgba(31,182,214,.24);}
.badge-brass{background:rgba(200,161,90,.12);color:var(--brass);border:1px solid rgba(200,161,90,.28);}
.rule{height:1px;margin-top:26px;background:linear-gradient(90deg,var(--primary-30),rgba(255,255,255,.06) 42%,transparent);}

/* ---------- 正文布局 ---------- */
.article-main{padding:clamp(40px,5vw,64px) 0 var(--sect);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;}
@media(min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 260px;justify-content:center;}
}
.article-shell{padding:clamp(22px,3vw,42px);}
.article-content{max-width:760px;font-size:16.5px;line-height:1.9;color:var(--t1);}
.article-content > * + *{margin-top:20px;}
.article-content p{color:#D5E4EE;margin-top:20px;}
.article-content h2{
  position:relative;font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35;
  margin-top:44px;padding-left:18px;color:var(--t1);scroll-margin-top:110px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:6px;height:1em;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(31,182,214,.25));
  box-shadow:0 0 12px rgba(31,182,214,.4);
}
.article-content h3{
  font-size:20px;font-weight:700;margin-top:32px;color:var(--t1);scroll-margin-top:110px;
}
.article-content h4{font-size:17px;font-weight:700;margin-top:26px;color:var(--t1);}
.article-content strong{color:#fff;font-weight:700;}
.article-content a{
  color:var(--primary);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:opacity .2s ease;
}
.article-content a:hover{opacity:.8;}
.article-content ul,.article-content ol{margin-top:20px;padding-left:2px;}
.article-content ul li,.article-content ol li{position:relative;padding-left:24px;margin-top:10px;color:#D5E4EE;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(31,182,214,.5);
}
.article-content ol{counter-reset:li;}
.article-content ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.32em;width:18px;height:18px;border-radius:6px;
  display:grid;place-items:center;
  font-size:11px;font-weight:700;color:var(--primary);
  background:var(--primary-12);border:1px solid rgba(31,182,214,.22);
}
.article-content blockquote{
  margin-top:24px;padding:16px 20px;
  border-left:3px solid var(--brass);
  background:rgba(255,255,255,.04);
  border-radius:0 var(--r-xs) var(--r-xs) 0;
  color:var(--t2);
}
.article-content img{border-radius:var(--r-sm);margin-top:24px;width:100%;object-fit:cover;}
.article-content figure{margin-top:24px;}
.article-content figcaption{
  margin-top:10px;font-size:13px;color:var(--t3);text-align:center;line-height:1.6;
}
.article-content code{
  padding:2px 7px;border-radius:6px;
  background:rgba(31,182,214,.08);
  color:var(--primary);font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-content table{
  width:100%;margin-top:24px;border-collapse:collapse;font-size:15px;
  border-radius:var(--r-xs);overflow:hidden;
}
.article-content thead th{
  background:var(--primary-12);color:var(--t1);
  font-size:13px;font-weight:600;letter-spacing:.03em;
  text-align:left;padding:12px 14px;
}
.article-content tbody td{
  padding:12px 14px;border-bottom:1px solid var(--line);color:var(--t2);
}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content hr{border:0;height:1px;background:var(--line);margin-top:32px;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:clamp(40px,6vw,72px) 20px;
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  display:grid;place-items:center;
  background:var(--primary-08);border:1px solid var(--primary-30);
  color:var(--primary);font-size:26px;font-weight:700;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:22px;}

/* ---------- 侧栏目录 ---------- */
.article-aside{display:none;}
@media(min-width:1200px){
  .article-aside{display:block;}
  .article-aside .toc{position:sticky;top:104px;padding:20px 18px;}
}
.toc-title{
  font-size:13px;letter-spacing:.12em;color:var(--brass);font-weight:700;
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:56vh;overflow:auto;}
.toc-list a{
  display:block;padding:7px 10px;border-radius:10px;
  font-size:13.5px;line-height:1.5;color:var(--t2);
  border-left:2px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.toc-list a.is-active{color:var(--primary);background:var(--primary-08);border-left-color:var(--primary);}
.toc-list a.lvl-3{padding-left:20px;font-size:13px;color:var(--t3);}
.toc-empty{font-size:13px;color:var(--t3);}

/* ---------- 标签 & 相关推荐 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--t2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{color:var(--primary);border-color:var(--primary-30);background:var(--primary-08);}
.divider{height:1px;background:var(--line);margin:36px 0 0;}
.related-wrap{margin-top:36px;}
.related-title{font-size:17px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.related-title::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--primary);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.related-card{
  display:block;border-radius:var(--r-sm);overflow:hidden;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--primary-30);background:rgba(255,255,255,.07);}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(255,255,255,.06);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.related-body{padding:14px 14px 16px;}
.related-body h4{
  font-size:14.5px;font-weight:600;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.related-card:hover .related-body h4{color:var(--primary);}
.related-body time{display:block;margin-top:8px;font-size:12.5px;color:var(--t3);}
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- 窄版 CTA ---------- */
.cta-strip{
  margin-top:clamp(40px,5vw,64px);
  padding:26px clamp(20px,3vw,34px);
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(31,182,214,.12),rgba(200,161,90,.07) 60%,rgba(255,255,255,.02));
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
}
.cta-strip h3{font-size:clamp(18px,2.2vw,22px);font-weight:700;line-height:1.4;}
.cta-strip p{margin-top:6px;font-size:14.5px;color:var(--t2);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  background:var(--panel);
  border-top:1px solid var(--line);
  padding:clamp(44px,5vw,68px) 0 0;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,182,214,.5),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.85;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;
}
.footer-col h4::after{
  content:"";display:block;width:24px;height:2px;margin-top:8px;border-radius:2px;
  background:var(--brass);opacity:.75;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--t2);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--primary);padding-left:5px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--t2);margin-bottom:18px;}
.footer-contact b{color:var(--t3);font-weight:500;}
.mini-form{display:flex;gap:10px;flex-wrap:wrap;}
.mini-form input{
  flex:1;min-width:150px;height:42px;padding:0 14px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);color:var(--t1);
  font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.mini-form input::placeholder{color:var(--t3);}
.mini-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,182,214,.16);}
.mini-form input.is-error{border-color:var(--err);}
.form-note{margin-top:10px;font-size:12px;color:var(--t3);}
.form-note.ok{color:var(--ok);}
.form-note.err{color:var(--err);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .links a{color:var(--t3);transition:color .2s ease;}
.footer-bottom .links a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media(max-width:1200px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media(max-width:992px){
  .nav-pill{display:none;}
  .nav-toggle{display:grid;}
  .header-actions .text-link{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col:last-child{grid-column:1 / -1;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media(max-width:768px){
  .container{padding:0 20px;}
  .header-inner{height:66px;}
  .brand-text em{display:none;}
  .article-hero{padding-top:calc(66px + 44px);}
  .article-layout{gap:32px;}
  .article-content{font-size:16px;}
  .article-content h2{margin-top:36px;}
  .breadcrumb .crumb-current{max-width:200px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .cta-strip .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:520px){
  .article-title{font-size:26px;-webkit-line-clamp:3;}
  .article-meta{gap:9px;}
  .article-meta .dot{display:none;}
  .article-shell{padding:20px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .btn{width:100%;}
  .back-row .btn{width:100%;}
  .mini-form .btn{width:100%;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --bg:#071019;
  --panel:#0B1A26;
  --card:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.10);
  --brand:#1FB6D6;
  --brass:#C8A15A;
  --ok:#3FBF8F;
  --warn:#E0A33B;
  --err:#F06767;
  --t1:#EAF3F8;
  --t2:#9CB2C1;
  --t3:#64798A;
  --r-lg:18px;
  --r-sm:14px;
  --r-in:12px;
  --r-pill:999px;
  --r-badge:8px;
  --sh:0 16px 44px rgba(0,0,0,.45);
  --sh-hover:0 22px 60px rgba(0,0,0,.55);
  --gutter:clamp(64px,7vw,112px);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(31,182,214,.32);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#071019}
::-webkit-scrollbar-thumb{background:rgba(31,182,214,.32);border-radius:999px;border:2px solid #071019}
::-webkit-scrollbar-thumb:hover{background:rgba(31,182,214,.55)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,filter .2s ease;
}
.btn-primary{background:var(--brand);color:#04161d;box-shadow:0 0 22px rgba(31,182,214,.35)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 30px rgba(31,182,214,.5)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:rgba(31,182,214,.55);color:var(--t1)}
.btn-ghost:hover{background:rgba(31,182,214,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  border-bottom:1px solid transparent;
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease,backdrop-filter .24s ease;
}
.site-header.is-scrolled{
  background:rgba(7,16,25,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(31,182,214,.12);border:1px solid rgba(31,182,214,.28);
}
.brand-mark svg{width:21px;height:21px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16.5px;font-weight:700;color:var(--t1);letter-spacing:-.01em}
.brand-text em{font-size:11.5px;font-style:normal;color:var(--t3);letter-spacing:.04em}
.nav-pill{
  display:flex;align-items:center;gap:4px;margin-left:auto;
  padding:5px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.nav-link{
  position:relative;display:inline-block;padding:9px 17px 12px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--t2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:var(--t1);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 8px rgba(31,182,214,.9);
}
.header-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--t1);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--t1);border-radius:2px;
  transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  position:fixed;inset:0;z-index:130;display:none;
  background:rgba(7,16,25,.86);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.drawer.is-open{display:block}
.drawer-panel{
  position:absolute;top:74px;left:0;right:0;bottom:0;
  background:rgba(11,26,38,.98);border-top:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom));
}
.drawer-panel a.drawer-link{
  display:block;padding:18px 4px;font-size:19px;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer-panel a.drawer-link.is-active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:20px}
.drawer-foot .btn{width:100%}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:calc(74px + clamp(56px,7vw,96px)) 0 clamp(56px,7vw,92px);
  text-align:center;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(58% 52% at 50% 16%,rgba(31,182,214,.24),transparent 72%),
    radial-gradient(42% 44% at 86% 92%,rgba(200,161,90,.14),transparent 72%),
    linear-gradient(180deg,rgba(7,16,25,.74) 0%,rgba(7,16,25,.94) 68%,var(--bg) 100%);
}
.hero-inner{max-width:820px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-badge);
  background:rgba(200,161,90,.12);border:1px solid rgba(200,161,90,.34);
  color:var(--brass);font-size:13px;letter-spacing:.04em;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--brass);display:inline-block}
.hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1.2;letter-spacing:-.01em;
}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(31,182,214,.28) 62%);
  padding:0 2px;border-radius:3px;
}
.hero-lead{
  margin:20px auto 0;max-width:640px;
  font-size:clamp(16px,1.3vw,18px);color:var(--t2);line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.hero-pills{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  margin-top:38px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-pills a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:var(--card);border:1px solid var(--line);
  font-size:14px;color:var(--t2);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.hero-pills a:hover{color:var(--t1);border-color:rgba(31,182,214,.42);transform:translateY(-2px)}
.hero-pills a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gutter) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(11,26,38,.65),rgba(11,26,38,0))}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;flex-wrap:wrap;
}
.sec-title{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.26;letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:22px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(31,182,214,.2));
}
.sec-sub{margin-top:12px;color:var(--t2);font-size:15px;max-width:560px}
.sec-note{color:var(--t3);font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--brand);font-size:14.5px;font-weight:600;
  border-bottom:1px solid rgba(31,182,214,.45);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease,gap .2s ease;
}
.link-arrow:hover{color:#5fd3ec;border-color:#5fd3ec;gap:11px}

/* ---------- 服务交替行 ---------- */
.svc-list{border-bottom:1px solid var(--line)}
.svc-row{
  display:grid;grid-template-columns:60fr 40fr;gap:clamp(24px,4vw,60px);
  align-items:center;padding:clamp(30px,3.4vw,46px) 0;
  border-top:1px solid var(--line);
}
.svc-row--flip .svc-media{order:-1}
.svc-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--sh);
}
.svc-media img{
  width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .55s ease;
}
.svc-row:hover .svc-media img{transform:scale(1.035)}
.svc-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,25,0) 45%,rgba(7,16,25,.6));
  pointer-events:none;
}
.svc-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.06em;color:var(--brass);
  padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(200,161,90,.1);border:1px solid rgba(200,161,90,.3);
}
.svc-body h3{
  margin-top:16px;font-size:clamp(20px,2vw,23px);font-weight:700;line-height:1.4;letter-spacing:-.01em;
}
.svc-body p{margin-top:12px;color:var(--t2);font-size:15.5px;line-height:1.85;max-width:560px}
.svc-specs{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;
}
.spec{padding-top:12px;border-top:1px solid rgba(200,161,90,.34)}
.spec dt{font-size:12.5px;color:var(--t3);letter-spacing:.02em}
.spec dd{
  margin:5px 0 0;font-size:15px;font-weight:600;color:var(--t1);
  font-variant-numeric:tabular-nums;
}
.svc-link{margin-top:22px;display:inline-flex}

/* ---------- 数据条 ---------- */
.meters{display:grid;gap:28px;max-width:880px;margin:0 auto}
.meter{}
.meter-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:11px}
.meter-label{font-size:15px;color:var(--t2)}
.meter-val{
  font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--t1);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.meter-val small{font-size:14px;font-weight:700;color:var(--brass);margin-left:3px}
.meter-bar{
  height:8px;border-radius:var(--r-pill);overflow:hidden;
  background:rgba(255,255,255,.07);border:1px solid var(--line);
}
.meter-fill{
  display:block;height:100%;width:0;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--brand),rgba(200,161,90,.88));
  transition:width 1.1s cubic-bezier(.22,.8,.28,1);
}
.meter.inview .meter-fill{width:var(--v)}

/* ---------- 工艺标准 ---------- */
.std-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,56px);align-items:center;
}
.std-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);background:var(--panel);
}
.std-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.std-list li{
  display:flex;gap:16px;padding:19px 0;border-top:1px solid rgba(200,161,90,.28);
}
.std-list li:last-child{border-bottom:1px solid rgba(200,161,90,.28)}
.std-num{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brass);
  font-variant-numeric:tabular-nums;padding-top:4px;letter-spacing:.04em;
}
.std-text h4{font-size:17px;font-weight:600;color:var(--t1);margin-bottom:6px}
.std-text p{font-size:14.5px;color:var(--t2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:rgba(31,182,214,.26)}
.faq-item.is-open{border-color:rgba(31,182,214,.38);box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
}
.faq-idx{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brass);font-variant-numeric:tabular-nums}
.faq-title{flex:1;font-size:16.5px;font-weight:600;color:var(--t1);line-height:1.5}
.faq-ico{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand);border-radius:2px;
}
.faq-ico::before{width:11px;height:1.6px}
.faq-ico::after{width:1.6px;height:11px;transition:transform .24s ease,opacity .24s ease}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 20px 20px 57px;color:var(--t2);font-size:15px;line-height:1.85}

/* ---------- 下一步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.step-card{
  position:relative;padding:28px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(31,182,214,.32);box-shadow:var(--sh-hover)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:rgba(31,182,214,.12);border:1px solid rgba(31,182,214,.34);
  color:var(--brand);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:16px;font-size:19px;font-weight:700}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--t2);line-height:1.8}
.next-cta{text-align:center}
.next-cta .hint{margin-top:14px;font-size:13.5px;color:var(--t3)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--panel);
  padding-top:clamp(48px,5vw,72px);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,182,214,.45),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:36px;padding-bottom:44px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--t2);line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:15px}
.footer-col ul li a{
  display:inline-block;padding:5px 0;font-size:14px;color:var(--t2);
}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact{display:grid;gap:7px;font-size:14px;color:var(--t2)}
.footer-contact b{color:var(--t3);font-weight:500}
.mini-form{display:flex;gap:8px;margin-top:16px}
.mini-form input{
  flex:1;min-width:0;min-height:44px;padding:0 14px;
  border-radius:var(--r-in);background:rgba(255,255,255,.05);
  border:1px solid var(--line);font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.mini-form input::placeholder{color:var(--t3)}
.mini-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,182,214,.16)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.footer-bottom .links a{margin-left:18px;color:var(--t2)}
.footer-bottom .links a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .svc-row{grid-template-columns:58fr 42fr;gap:32px}
}
@media (max-width:992px){
  .nav-pill{margin-left:auto}
  .header-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .svc-row{grid-template-columns:1fr;gap:24px}
  .svc-row--flip .svc-media{order:0}
  .std-grid{grid-template-columns:1fr}
  .std-media img{aspect-ratio:16/9}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-pill{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .brand-text em{display:none}
  .hero{padding-top:calc(74px + 48px)}
  .section-head{align-items:flex-start;flex-direction:column;gap:12px}
  .hero-pills a{font-size:13.5px;padding:8px 15px}
  .faq-a p{padding-left:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .hero h1{font-size:29px;line-height:1.28}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .svc-specs{grid-template-columns:1fr;gap:12px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .links a{margin-left:0;margin-right:16px}
  .mini-form{flex-wrap:wrap}
  .mini-form .btn{width:100%}
}