/* roulang page: index */
:root{
  --bg-0:#070A14;
  --bg-1:#0C1222;
  --bg-2:#131B2E;
  --brand-500:#FF7A18;
  --brand-400:#FF9A3D;
  --brand-600:#DE5F08;
  --aux-400:#35D6E8;
  --aux-500:#4C8DFF;
  --text-0:#F2F6FF;
  --text-1:#C4CFE4;
  --text-2:#8492AE;
  --line:rgba(140,170,220,.14);
  --glass:rgba(19,27,46,.55);
  --glow:rgba(255,122,24,.45);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(0,0,0,.7);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;top:-300px;left:50%;transform:translateX(-50%);
  width:1200px;height:760px;pointer-events:none;z-index:0;
  background:radial-gradient(closest-side,rgba(255,122,24,.15),rgba(255,122,24,0) 72%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.55;
  background-image:
    linear-gradient(rgba(140,170,220,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,170,220,.045) 1px,transparent 1px);
  background-size:72px 72px;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--aux-400);outline-offset:2px}
::selection{background:rgba(255,122,24,.32);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  background:transparent;
  transition:background .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out,backdrop-filter .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(12,18,34,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px -22px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-400),var(--brand-600));
  color:#1A0E04;font-size:14px;
  box-shadow:0 10px 24px -12px var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text-0);letter-spacing:.01em;white-space:nowrap}
.brand-text small{font-size:11px;color:var(--text-2);letter-spacing:.06em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;
  padding:0 14px;font-size:15px;color:var(--text-1);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:15px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--text-0)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-0);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:176px;height:38px;padding:0 38px 0 15px;font-size:14px;
  border-radius:var(--radius-pill);background:var(--glass);border:1px solid var(--line);
  color:var(--text-0);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,width .25s ease-out;
}
.nav-search input::placeholder{color:var(--text-2)}
.nav-search input:focus{
  outline:none;border-color:var(--aux-400);
  box-shadow:0 0 0 2px rgba(53,214,232,.18);width:212px;
}
.nav-search button{
  position:absolute;right:6px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;color:var(--text-2);font-size:13px;
}
.nav-search button:hover{color:var(--brand-400)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);
  border:1px solid var(--line);color:var(--text-0);place-items:center;font-size:16px;
  background:var(--glass);
}
.nav-toggle:hover{border-color:rgba(255,122,24,.45);color:var(--brand-400)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:44px;padding:0 22px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,#FF9A3D,#FF7A18);color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.5),0 10px 30px -8px var(--glow);
}
.btn-primary:hover{
  transform:translateY(-2px);color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.65),0 16px 38px -10px var(--glow);
}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-0)}
.btn-ghost:hover{border-color:rgba(255,122,24,.6);color:var(--brand-400);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:var(--radius-sm)}
.btn-pill{border-radius:var(--radius-pill)}
.btn-block{width:100%}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:12px;line-height:1.7;color:var(--text-2);white-space:nowrap;
}
.badge-hot{background:rgba(255,122,24,.13);border-color:rgba(255,122,24,.34);color:var(--brand-400)}
.badge-info{background:rgba(53,214,232,.11);border-color:rgba(53,214,232,.28);color:var(--aux-400)}

/* ============ 首屏 ============ */
.hero{padding:64px 0 88px;position:relative}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:24px;
  padding:6px 15px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);letter-spacing:.03em;
}
.hero-eyebrow i{color:var(--brand-500);font-size:12px}
.hero h1{font-size:clamp(28px,3.6vw,50px);line-height:1.3;letter-spacing:.005em}
.hero h1 em{font-style:normal;color:var(--brand-500)}
.hero-sub{
  margin-top:22px;max-width:580px;
  font-size:17px;line-height:1.82;font-weight:500;color:var(--text-1);
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:10px 24px;
  font-size:13px;color:var(--text-2);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust i{color:var(--aux-400);font-size:11px}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/10;
  border:1px solid var(--line);background:var(--bg-2);box-shadow:var(--shadow-2);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,20,0) 34%,rgba(7,10,20,.82) 100%);
}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;gap:26px;flex-wrap:wrap;padding:14px 20px;
  border-radius:14px;background:rgba(19,27,46,.62);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.hero-float .hf-item{display:flex;flex-direction:column;min-width:82px}
.hero-float .hf-num{
  font-size:20px;font-weight:700;line-height:1.2;color:var(--brand-400);
  font-variant-numeric:tabular-nums;
}
.hero-float .hf-label{font-size:12px;color:var(--text-2);margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(12,18,34,.55),rgba(12,18,34,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;
  font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--brand-400);
}
.section-tag::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-500)}
.section-head.center .section-tag::after{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-500)}
.section-head h2{font-size:clamp(24px,2.7vw,32px);line-height:1.4}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2)}

/* ============ 分类入口卡 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  position:relative;display:block;padding:28px 26px 26px;
  border-radius:var(--radius-lg);background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.35);box-shadow:var(--shadow-2)}
.cat-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.cat-num{font-size:13px;font-weight:700;letter-spacing:.24em;color:var(--brand-500)}
.cat-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,122,24,.12);border:1px solid rgba(255,122,24,.28);
  color:var(--brand-400);font-size:16px;
}
.cat-card h3{font-size:20px;margin-bottom:10px;transition:color .2s ease-out}
.cat-card:hover h3{color:var(--brand-400)}
.cat-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.cat-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--brand-400);
}
.cat-more i{font-size:12px;transition:transform .22s ease-out}
.cat-card:hover .cat-more i{transform:translateX(4px)}

/* ============ 卖点错位卡 ============ */
.feature-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;align-items:start}
.feature-card{
  position:relative;padding:30px 26px;overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(19,27,46,.78),rgba(12,18,34,.5));
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand-500),rgba(255,122,24,0));
  opacity:0;transition:opacity .22s ease-out;
}
.feature-card:nth-child(2){margin-top:28px}
.feature-card:nth-child(3){margin-top:56px}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(255,122,24,.35);box-shadow:var(--shadow-2)}
.feature-card:hover::before{opacity:1}
.feature-num{
  font-size:30px;font-weight:700;line-height:1;color:rgba(255,122,24,.26);
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.feature-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  margin-bottom:18px;font-size:18px;color:var(--brand-400);
  background:rgba(255,122,24,.12);border:1px solid rgba(255,122,24,.28);
}
.feature-card h3{font-size:20px;margin-bottom:12px}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.78}
.feature-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--brand-400);
}
.feature-link i{font-size:12px;transition:transform .22s ease-out}
.feature-card:hover .feature-link i{transform:translateX(4px)}

/* ============ 场景演示 ============ */
.scene{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.scene-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;
  border:1px solid var(--line);background:var(--bg-2);box-shadow:var(--shadow-1);
}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(7,10,20,.05),rgba(7,10,20,.6));
}
.scene-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:rgba(19,27,46,.68);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:12px;color:var(--text-1);
}
.steps{position:relative;padding-left:40px}
.steps::before{
  content:"";position:absolute;left:11px;top:9px;bottom:9px;width:2px;
  background:linear-gradient(180deg,var(--brand-500),rgba(255,122,24,.1));
}
.step{position:relative;padding-bottom:32px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--line);transition:all .22s ease-out;
}
.step.is-active::before{
  background:var(--brand-500);border-color:rgba(255,122,24,.35);
  box-shadow:0 0 0 5px rgba(255,122,24,.14);
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.78}
.step-index{
  display:inline-block;margin-bottom:6px;font-size:12px;font-weight:700;
  letter-spacing:.2em;color:var(--brand-500);
}

/* ============ 最新信息 ============ */
.news-lead{
  display:grid;grid-template-columns:1.45fr 1fr;
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.news-lead:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.35);box-shadow:var(--shadow-2)}
.news-lead-body{padding:32px 30px;display:flex;flex-direction:column}
.news-lead-media{min-height:250px;background:var(--bg-2)}
.news-lead-media img{width:100%;height:100%;object-fit:cover}
.news-lead h3{font-size:23px;line-height:1.45;margin-bottom:14px;transition:color .2s ease-out}
.news-lead:hover h3{color:var(--brand-400)}
.news-lead p{
  font-size:15px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;padding-top:22px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.news-meta time{font-size:13px;color:var(--text-2)}
.news-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.news-mini{
  display:flex;flex-direction:column;padding:22px;
  border-radius:var(--radius-lg);background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.news-mini:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.35);box-shadow:var(--shadow-2)}
.news-mini h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;transition:color .2s ease-out}
.news-mini:hover h3{color:var(--brand-400)}
.news-mini p{
  font-size:13.5px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-mini .news-meta{padding-top:16px}
.news-foot{margin-top:34px;display:flex;justify-content:center}
.empty-state{
  padding:56px 24px;text-align:center;
  border-radius:var(--radius-lg);background:var(--glass);
  border:1px dashed var(--line);
}
.empty-state i{font-size:26px;color:var(--text-2);margin-bottom:16px;display:block}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px}

/* ============ 社会认同 ============ */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:34px 32px;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(255,122,24,.11),rgba(19,27,46,.55));
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.stat-num{
  font-size:32px;font-weight:700;line-height:1.1;color:var(--brand-400);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:var(--text-2);margin-top:8px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.quote-card{
  padding:26px;border-radius:var(--radius-lg);background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform .22s ease-out,border-color .22s ease-out;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.3)}
.quote-card p{font-size:14.5px;color:var(--text-1);line-height:1.8}
.quote-from{
  margin-top:20px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);
}
.quote-from i{color:var(--brand-400);font-size:12px}
.media-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:34px}
.media-item{
  height:64px;display:grid;place-items:center;border-radius:var(--radius-md);
  border:1px solid var(--line);background:rgba(19,27,46,.42);
  font-size:13px;color:var(--text-2);letter-spacing:.04em;
  filter:grayscale(1);opacity:.68;
  transition:filter .25s ease-out,opacity .25s ease-out,color .25s ease-out,border-color .25s ease-out;
}
.media-item:hover{filter:none;opacity:1;color:var(--brand-400);border-color:rgba(255,122,24,.3)}

/* ============ FAQ ============ */
.faq-accordion{margin:0;border:0;background:transparent}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:var(--glass);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease-out,background .22s ease-out;
}
.faq-accordion .accordion-item.is-active{
  border-color:rgba(255,122,24,.4);background:rgba(19,27,46,.72);
}
.faq-accordion .accordion-title{
  position:relative;display:block;border:0;
  padding:18px 54px 18px 20px;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--text-0);
  transition:color .2s ease-out,background .2s ease-out;
}
.faq-accordion .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--brand-400);
  transition:transform .25s ease-out;
}
.faq-accordion .accordion-title:hover{background:rgba(255,122,24,.06);color:var(--brand-400)}
.faq-accordion .accordion-content{
  border:0;border-top:1px solid var(--line);
  padding:16px 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);
  background:transparent;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg)}
.faq-wrap{display:grid;grid-template-columns:1fr 1.6fr;gap:48px;align-items:start}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;padding:56px 48px;
  border-radius:20px;border:1px solid rgba(255,122,24,.22);
  background:linear-gradient(120deg,rgba(255,122,24,.17),rgba(12,18,34,.92) 58%),var(--bg-2);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,122,24,.22),rgba(255,122,24,0) 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(23px,2.5vw,30px);max-width:640px}
.cta-band p{margin-top:16px;max-width:620px;font-size:15px;color:var(--text-1)}
.cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;padding:66px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,18,34,.45),var(--bg-0));
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand strong{display:block;font-size:17px;color:var(--text-0)}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-2);max-width:330px;line-height:1.8}
.footer-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:15px;color:var(--text-0);margin-bottom:18px;font-weight:700}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-400)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:12px}
.footer-contact i{color:var(--brand-400);font-size:13px;margin-top:5px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-2);
}
.footer-bottom .fb-left{display:flex;flex-wrap:wrap;gap:8px 18px}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--radius-pill);
  border:1px solid var(--line);font-size:13px;color:var(--text-2);
  transition:color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.back-top:hover{color:var(--brand-400);border-color:rgba(255,122,24,.42);transform:translateY(-2px)}

/* ============ 底部转化条 ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:14px;
  padding:12px 14px 12px 22px;border-radius:var(--radius-pill);
  background:rgba(19,27,46,.8);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .28s ease-out,transform .28s ease-out;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta-text{font-size:14px;color:var(--text-1);white-space:nowrap}
.float-cta-close{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:12px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.float-cta-close:hover{color:var(--brand-400);border-color:rgba(255,122,24,.42)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(4,7,14,.74);
  opacity:0;visibility:hidden;transition:opacity .26s ease-out,visibility .26s ease-out;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(320px,86vw);padding:22px 20px;display:flex;flex-direction:column;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease-out;
}
body.is-drawer-open .drawer{transform:none}
body.is-drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.drawer-head span{font-size:16px;font-weight:700;color:var(--text-0)}
.drawer-close{
  width:36px;height:36px;border-radius:var(--radius-sm);display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
}
.drawer-close:hover{color:var(--brand-400);border-color:rgba(255,122,24,.42)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav .nav-link{
  height:52px;padding:0 4px;font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-nav .nav-link::after{display:none}
.drawer-nav .nav-link.is-active{color:var(--brand-400)}
.drawer-cta{margin-top:auto}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .scene{gap:36px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .hero{padding:44px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:640px}
  .section{padding:64px 0}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-card:nth-child(2),.feature-card:nth-child(3){margin-top:0}
  .feature-card:nth-child(3){margin-top:0}
  .scene{grid-template-columns:1fr;gap:32px}
  .scene-media{max-width:640px}
  .news-lead{grid-template-columns:1fr}
  .news-lead-media{min-height:220px;order:-1}
  .news-mini-grid{grid-template-columns:repeat(2,1fr)}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .quote-grid{grid-template-columns:1fr 1fr}
  .media-wall{grid-template-columns:repeat(3,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:44px 32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-wrap{gap:14px;height:56px}
  .site-header.is-scrolled{background:rgba(12,18,34,.9)}
  .brand-mark{width:31px;height:31px;border-radius:10px;font-size:13px}
  .brand-text strong{font-size:14.5px}
  .brand-text small{display:none}
  .section{padding:48px 0}
  .section-head{margin-bottom:30px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-float{gap:18px;padding:12px 16px;left:12px;right:12px;bottom:12px}
  .hero-float .hf-item{min-width:70px}
  .cat-grid{grid-template-columns:1fr;gap:16px}
  .feature-grid{grid-template-columns:1fr;gap:16px}
  .news-mini-grid{grid-template-columns:1fr;gap:16px}
  .news-lead-body{padding:24px 20px}
  .news-lead h3{font-size:19px}
  .stats-bar{grid-template-columns:1fr 1fr;padding:26px 20px;gap:24px 18px}
  .stat-num{font-size:26px}
  .quote-grid{grid-template-columns:1fr;gap:16px}
  .media-wall{grid-template-columns:1fr 1fr;gap:12px}
  .media-item{height:56px;font-size:12px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:34px 22px;border-radius:16px}
  .cta-actions .btn{flex:1 1 100%}
  .float-cta{
    left:12px;right:12px;bottom:12px;padding:10px 12px;border-radius:16px;gap:10px;
  }
  .float-cta-text{display:none}
  .float-cta .btn{height:42px}
  .float-cta .btn-primary{flex:3 1 0}
  .float-cta .btn-ghost{flex:2 1 0;padding:0 14px}
}
@media (max-width:519px){
  .hero h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .hero-trust{gap:8px 16px;font-size:12px}
  .section-head h2{font-size:23px}
  .cat-card{padding:22px 20px}
  .feature-card{padding:24px 20px}
  .news-lead-media{min-height:180px}
  .badge{font-size:11.5px}
}
@media (min-width:1440px){
  :root{--container:1280px}
  .section{padding:104px 0}
}

/* roulang page: article */
:root{
  --bg-0:#070A14;
  --bg-1:#0C1222;
  --bg-2:#131B2E;
  --brand-500:#FF7A18;
  --brand-400:#FF9A3D;
  --brand-600:#DE5F08;
  --aux-400:#35D6E8;
  --aux-500:#4C8DFF;
  --text-0:#F2F6FF;
  --text-1:#C4CFE4;
  --text-2:#8492AE;
  --line:rgba(140,170,220,.14);
  --glass:rgba(19,27,46,.55);
  --glow:rgba(255,122,24,.45);
  --radius-lg:16px;
  --radius-md:12px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(0,0,0,.7);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,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:1.75;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 420px at 78% -8%,rgba(255,122,24,.12),transparent 62%),
    radial-gradient(700px 380px at 8% 6%,rgba(76,141,255,.10),transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,#080C17 60%,#060912 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,122,24,.32);color:#fff}
:focus-visible{outline:2px solid var(--aux-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-line{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(140,170,220,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,220,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out;
}
.site-header.is-scrolled{background:rgba(12,18,34,.86);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;flex-direction:column;justify-content:center;gap:1px;flex:0 0 auto}
.brand-main{font-size:17px;font-weight:700;color:var(--text-0);letter-spacing:.6px;white-space:nowrap}
.brand-main i{color:var(--brand-500);margin-right:6px;font-size:15px}
.brand-sub{font-size:11px;color:var(--text-2);letter-spacing:3px;padding-left:21px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:14px;color:var(--text-1);white-space:nowrap;
}
.nav-link:hover{color:var(--text-0);background:rgba(255,122,24,.09)}
.nav-link.is-active{color:var(--text-0)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-400),var(--brand-500));
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  background:rgba(19,27,46,.62);border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search:focus-within{border-color:rgba(53,214,232,.7);box-shadow:0 0 0 3px rgba(53,214,232,.14)}
.nav-search i{color:var(--text-2);font-size:13px}
.nav-search input{width:118px;background:transparent;border:0;outline:0;color:var(--text-0);font-size:13px}
.nav-search input::placeholder{color:var(--text-2)}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:rgba(19,27,46,.6);color:var(--text-0);cursor:pointer;
}
.burger:hover{border-color:rgba(255,122,24,.45);color:var(--brand-400)}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-400),var(--brand-500));
  color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.5),0 10px 30px -8px var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,24,.62),0 16px 44px -10px var(--glow);color:#1A0E04}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-0)}
.btn-ghost:hover{border-color:rgba(255,122,24,.5);color:var(--brand-400);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-pill{border-radius:999px}
/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  background:rgba(19,27,46,.62);border:1px solid var(--line);
  font-size:12px;color:var(--text-1);letter-spacing:.4px;
}
.badge i{font-size:11px;color:var(--aux-400)}
.badge-accent{color:var(--brand-400);border-color:rgba(255,122,24,.38);background:rgba(255,122,24,.10)}
.badge-accent i{color:var(--brand-400)}
/* ---------- 文章头部 ---------- */
.article-head{position:relative;padding:44px 0 40px;overflow:hidden}
.article-head .grid-line{opacity:.9}
.article-head .bg-glow{
  position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,24,.18),transparent 66%);pointer-events:none;
}
.crumbs{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand-400)}
.crumbs .sep{color:rgba(140,170,220,.4)}
.crumbs .now{color:var(--text-1);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-kicker{position:relative;display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.article-head h1{
  position:relative;
  font-size:44px;line-height:1.3;max-width:920px;margin-bottom:20px;
}
.article-head h1 span{color:var(--brand-400)}
.article-meta{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.article-meta .meta-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--text-2);
  padding:5px 12px;border-radius:999px;
  background:rgba(19,27,46,.5);border:1px solid var(--line);
}
.article-meta .meta-item i{color:var(--aux-400);font-size:12px}
/* ---------- 文章主体布局 ---------- */
.article-wrap{padding:12px 0 88px}
.article-grid{align-items:start}
.article-grid .cell{min-width:0}
.article-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:38px 42px 30px;
  position:relative;
}
.article-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:16px 16px 0 0;
  background:linear-gradient(90deg,rgba(255,122,24,.9),rgba(53,214,232,.35),transparent);
}
.article-body{max-width:760px;font-size:16px;line-height:1.8;color:var(--text-1);word-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.05em}
.article-body h2{
  position:relative;font-size:24px;color:var(--text-0);
  margin:2em 0 .8em;padding-left:15px;letter-spacing:.3px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-400),var(--brand-600));
}
.article-body h3{font-size:19px;color:var(--text-0);margin:1.7em 0 .65em}
.article-body h4{font-size:17px;color:var(--text-0);margin:1.4em 0 .5em}
.article-body a{color:var(--aux-400);border-bottom:1px solid rgba(53,214,232,.3)}
.article-body a:hover{color:var(--brand-400);border-bottom-color:var(--brand-400)}
.article-body strong{color:var(--text-0);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:none;position:relative;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--brand-500);transform:rotate(45deg);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.45em 0;padding-left:.2em}
.article-body ol li::marker{color:var(--brand-400);font-weight:700}
.article-body img{
  display:block;max-width:100%;height:auto;margin:1.7em auto;
  border-radius:12px;border:1px solid var(--line);background:var(--bg-2);
}
.article-body blockquote{
  margin:1.7em 0;padding:16px 22px;
  background:var(--glass);border-left:3px solid var(--brand-500);
  border-radius:0 12px 12px 0;color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  background:rgba(10,15,28,.9);border:1px solid var(--line);
  padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand-400);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#0A0F1C;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow:auto;margin:1.7em 0;
}
.article-body pre code{border:0;background:transparent;padding:0;color:var(--text-1)}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(19,27,46,.78);color:var(--text-0);font-weight:600}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.article-body figure{margin:1.7em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-2);margin-top:10px}
/* ---------- 空状态 ---------- */
.empty-state{
  max-width:760px;text-align:center;padding:56px 20px;
  background:rgba(12,18,34,.5);border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.empty-state .es-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--brand-400);
  background:rgba(255,122,24,.10);border:1px solid rgba(255,122,24,.28);
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:22px}
/* ---------- 文末导航 ---------- */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;
}
.post-nav a{
  display:block;padding:16px 18px;border-radius:var(--radius-md);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.post-nav a:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.35);box-shadow:var(--shadow-2)}
.post-nav .pn-label{display:block;font-size:12px;color:var(--text-2);margin-bottom:6px;letter-spacing:1px}
.post-nav .pn-title{display:block;font-size:15px;color:var(--text-0);font-weight:600}
.post-nav a:hover .pn-title{color:var(--brand-400)}
.post-nav .pn-right{text-align:right}
/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:9px;
}
.side-card h3 i{color:var(--brand-500);font-size:14px}
.side-links li+li{margin-top:6px}
.side-links a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text-1);
  background:rgba(12,18,34,.45);border:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.side-links a:hover{background:rgba(255,122,24,.10);border-color:rgba(255,122,24,.32);color:var(--text-0);transform:translateX(3px)}
.side-links a i{color:var(--aux-400);font-size:12px}
.side-steps li{
  display:flex;gap:12px;font-size:14px;color:var(--text-1);
  padding:10px 0;border-bottom:1px dashed rgba(140,170,220,.14);
}
.side-steps li:last-child{border-bottom:0;padding-bottom:0}
.side-steps .sn{
  flex:0 0 24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#1A0E04;
  background:linear-gradient(135deg,var(--brand-400),var(--brand-500));
}
.side-note{
  background:linear-gradient(135deg,rgba(255,122,24,.12),rgba(76,141,255,.10));
  border:1px solid rgba(255,122,24,.26);
}
.side-note p{font-size:13px;color:var(--text-1);margin-bottom:14px}
/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px}
.section-head{margin-bottom:28px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-400);
  letter-spacing:2px;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500)}
.section-head h2{font-size:30px;margin-bottom:8px}
.section-head p{color:var(--text-2);font-size:14px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.35);box-shadow:var(--shadow-2)}
.card-media{position:relative;aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5}
.card:hover .card-body h3{color:var(--brand-400)}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.7}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);padding-top:6px;
}
.card-foot .go{color:var(--brand-400);display:inline-flex;align-items:center;gap:6px;font-weight:600}
/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px}
.cta-box{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;
  padding:40px 44px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,122,24,.14),rgba(19,27,46,.85) 52%,rgba(76,141,255,.12));
  border:1px solid rgba(255,122,24,.26);
  box-shadow:var(--shadow-1);
}
.cta-box::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,24,.2),transparent 66%);pointer-events:none;
}
.cta-box h2{font-size:30px;margin-bottom:12px;position:relative}
.cta-box p{color:var(--text-1);font-size:15px;max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative}
/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,18,34,.6),rgba(7,10,20,.95));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand strong{display:block;font-size:17px;color:var(--text-0);margin-bottom:12px;letter-spacing:.6px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:360px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-0)}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--brand-400)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.footer-contact li+li{margin-top:12px}
.footer-contact i{color:var(--aux-400);font-size:13px;margin-top:5px}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.fb-left{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-2)}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-1);
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(19,27,46,.6);
}
.back-top:hover{color:var(--brand-400);border-color:rgba(255,122,24,.42)}
/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;opacity:0;pointer-events:none;transition:opacity .24s ease-out}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(4,7,14,.72);backdrop-filter:blur(2px)}
.drawer-panel{
  position:absolute;top:0;right:0;width:84%;max-width:340px;height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .26s ease-out;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head strong{font-size:16px;color:var(--text-0)}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);cursor:pointer;
}
.drawer-close:hover{color:var(--brand-400);border-color:rgba(255,122,24,.45)}
.drawer-panel .nav-link{padding:12px 14px;font-size:15px;border-radius:10px}
.drawer-panel .nav-link.is-active::after{left:14px;right:auto;width:22px;bottom:6px}
.drawer-cta{margin-top:16px}
.drawer-cta .btn{width:100%}
.drawer-note{margin-top:auto;font-size:12px;color:var(--text-2);line-height:1.7;padding-top:20px}
/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav,.nav-search{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .header-inner{height:56px;gap:14px}
  .brand-sub{display:none}
  .article-head{padding:30px 0 28px}
  .article-head h1{font-size:32px}
  .article-card{padding:28px 26px 22px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .side-stack{position:static;margin-top:26px}
  .cta-box{grid-template-columns:1fr;padding:32px 26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .related,.cta-band{padding-bottom:64px}
  .article-wrap{padding-bottom:64px}
}
@media screen and (max-width:639px){
  .container{padding:0 18px}
  .article-head h1{font-size:28px}
  .article-head{padding:24px 0 22px}
  .article-card{padding:22px 18px 18px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-body{font-size:15px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .post-nav{grid-template-columns:1fr}
  .post-nav .pn-right{text-align:left}
  .section-head h2{font-size:24px}
  .cta-box h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .fb-left{flex-direction:column;gap:6px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-wrap,.related,.cta-band{padding-bottom:48px}
}

/* roulang page: category1 */
:root{
  --bg-0:#070A14; --bg-1:#0C1222; --bg-2:#131B2E;
  --brand-500:#FF7A18; --brand-400:#FF9A3D; --brand-600:#DE5F08;
  --aux-400:#35D6E8; --aux-500:#4C8DFF;
  --text-0:#F2F6FF; --text-1:#C4CFE4; --text-2:#8492AE;
  --line:rgba(140,170,220,.14); --line-strong:rgba(255,122,24,.35);
  --glass:rgba(19,27,46,.55); --glow:rgba(255,122,24,.45);
  --radius:16px; --radius-sm:12px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(0,0,0,.7);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; font-family:var(--font); font-size:16px; line-height:1.75;
  color:var(--text-1); background-color:var(--bg-0); overflow-x:hidden;
  background-image:
    radial-gradient(900px 420px at 80% -8%, rgba(255,122,24,.16), transparent 65%),
    radial-gradient(720px 380px at 6% 2%, rgba(53,214,232,.09), transparent 70%),
    linear-gradient(rgba(140,170,220,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,220,.04) 1px, transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;line-height:1.28;}
p{margin:0;}
:focus-visible{outline:2px solid var(--aux-400);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-400);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-500);display:inline-block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-400),var(--brand-500));
  color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.5),0 10px 30px -8px var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,24,.6),0 16px 36px -10px var(--glow);color:#1A0E04;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-0);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-400);transform:translateY(-2px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-400);
  font-size:14px;font-weight:600;
}
.btn-link:hover{color:var(--brand-500);gap:10px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.6;color:var(--text-1);
  background:var(--glass);border:1px solid var(--line);
}
.badge-brand{color:var(--brand-400);border-color:rgba(255,122,24,.35);background:rgba(255,122,24,.08);}
.badge-aux{color:var(--aux-400);border-color:rgba(53,214,232,.3);background:rgba(53,214,232,.07);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,10,20,.7);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out;
}
.site-header.is-scrolled{background:rgba(12,18,34,.88);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-400),var(--brand-600));
  color:#1A0E04;font-weight:800;font-size:17px;
  box-shadow:0 8px 22px -10px var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:var(--text-0);font-size:15.5px;letter-spacing:.01em;}
.brand-text small{color:var(--text-2);font-size:11.5px;letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;color:var(--text-1);padding:6px 0;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--text-0);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-0);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--glass);color:var(--text-1);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-400);transform:translateY(-2px);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--glass);color:var(--text-0);cursor:pointer;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.68);opacity:0;visibility:hidden;
  transition:opacity .24s ease-out,visibility .24s ease-out;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:100;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(105%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:22px;gap:6px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-head strong{color:var(--text-0);font-size:15px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-1);cursor:pointer;}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;color:var(--text-1);font-size:15px;
  border:1px solid transparent;transition:.2s ease-out;
}
.drawer-link:hover{background:var(--bg-2);color:var(--text-0);}
.drawer-link.is-active{color:var(--brand-400);border-color:rgba(255,122,24,.32);background:rgba(255,122,24,.07);}
.drawer-cta{margin-top:auto;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{opacity:.5;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;padding:56px 0 44px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(760px 320px at 88% 0%, rgba(255,122,24,.14), transparent 68%),
    linear-gradient(180deg,rgba(12,18,34,.9),rgba(7,10,20,.4));
}
.hero-grid{align-items:center;}
.page-hero h1{font-size:44px;letter-spacing:-.01em;}
.page-hero h1 .hl{
  background:linear-gradient(135deg,var(--brand-400),var(--brand-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:16px;font-size:16px;color:var(--text-1);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,20,.05),rgba(7,10,20,.62));
}
.hero-float{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  background:rgba(19,27,46,.72);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;backdrop-filter:blur(10px);
}
.hero-float strong{display:block;color:var(--text-0);font-size:14.5px;margin-bottom:4px;}
.hero-float span{font-size:13px;color:var(--text-2);}

/* ---------- 本页要点 ---------- */
.key-points{
  margin-top:34px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-1);
}
.key-points h2{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.key-points h2 i{color:var(--brand-500);}
.kp-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px;}
.kp-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-1);}
.kp-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--brand-500);}

/* ---------- 锚点 + 时间线 ---------- */
.anchor-layout{align-items:flex-start;}
.anchor-aside{position:sticky;top:88px;}
.anchor-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-1);
}
.anchor-card > h3{font-size:15px;color:var(--text-2);font-weight:600;letter-spacing:.06em;margin-bottom:14px;}
.anchor-nav{display:flex;flex-direction:column;gap:4px;}
.anchor-link{
  display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--text-1);border-left:2px solid transparent;transition:.2s ease-out;
}
.anchor-link span{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:12.5px;background:var(--bg-2);color:var(--text-2);border:1px solid var(--line);
}
.anchor-link:hover{background:var(--bg-2);color:var(--text-0);}
.anchor-link.is-current{color:var(--brand-400);border-left-color:var(--brand-500);background:rgba(255,122,24,.07);}
.anchor-link.is-current span{color:var(--brand-400);border-color:rgba(255,122,24,.35);background:rgba(255,122,24,.1);}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-2);}

.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:10px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(255,122,24,.65),rgba(140,170,220,.16));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-1);border:2px solid rgba(255,122,24,.55);
}
.tl-item.is-current::before{background:var(--brand-500);border-color:var(--brand-400);box-shadow:0 0 0 5px rgba(255,122,24,.14);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px;}
.tl-head h3{font-size:20px;}
.tl-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-1);transition:.22s ease-out;
}
.tl-item:hover .tl-body{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl-body p{font-size:15px;}
.tl-body ul{margin-top:12px;display:grid;gap:8px;}
.tl-body ul li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.tl-body ul li::before{content:"";flex:0 0 5px;width:5px;height:5px;margin-top:9px;border-radius:50%;background:var(--aux-400);}

/* ---------- 速查卡片 ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.card:hover .card-title{color:var(--brand-400);}
.card-media{background:var(--bg-2);aspect-ratio:4/3;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:18px;color:var(--text-0);}
.card-body p{font-size:14.5px;color:var(--text-2);}
.card-body .btn-link{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease-out;
}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:18px;font-weight:600;color:var(--text-0);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{color:var(--brand-500);transition:transform .22s ease-out;flex-shrink:0;}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-body{
  padding:0 22px 20px 22px;border-left:3px solid transparent;
  font-size:15px;color:var(--text-1);
}
.faq-item[open] .faq-body{border-left-color:var(--brand-500);}
.faq-body p + p{margin-top:10px;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--line);
  background:
    radial-gradient(620px 260px at 12% 10%, rgba(255,122,24,.2), transparent 68%),
    linear-gradient(140deg,rgba(19,27,46,.92),rgba(12,18,34,.95));
  padding:48px 44px;
}
.cta-panel h2{font-size:30px;max-width:640px;}
.cta-panel p{margin-top:14px;color:var(--text-1);max-width:660px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--line);}
.cta-meta div{font-size:14px;color:var(--text-2);}
.cta-meta strong{color:var(--text-0);display:block;font-size:16px;font-variant-numeric:tabular-nums;}
.cta-inner{position:relative;z-index:2;}
.cta-deco{
  position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  border:1px dashed rgba(255,122,24,.28);
}

/* ---------- 表单提示 ---------- */
.feedback{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px;
}
.feedback .field{display:flex;flex-direction:column;gap:8px;}
.feedback label{font-size:13.5px;color:var(--text-2);}
.feedback input,.feedback select,.feedback textarea{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--text-0);font-size:14.5px;padding:12px 14px;font-family:inherit;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.feedback input:focus,.feedback select:focus,.feedback textarea:focus{
  outline:none;border-color:var(--aux-400);box-shadow:0 0 0 3px rgba(53,214,232,.18);
}
.feedback .full{grid-column:1 / -1;}
.form-hint{font-size:13px;color:var(--text-2);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(12,18,34,.7),rgba(7,10,20,.95));padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand strong{color:var(--text-0);font-size:17px;display:block;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-col h4{font-size:15px;color:var(--text-0);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start;}
.footer-contact i{color:var(--brand-500);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.fb-left{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--text-2);}
.back-top{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-1);}
.back-top:hover{color:var(--brand-400);}
.back-top i{font-size:12px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .page-hero h1{font-size:34px;}
  .hero-grid > .cell + .cell{margin-top:28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .anchor-aside{position:static;margin-bottom:26px;}
  .anchor-card{padding:16px;}
  .anchor-card > h3{margin-bottom:12px;}
  .anchor-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:thin;}
  .anchor-nav li{flex:0 0 auto;}
  .anchor-link{white-space:nowrap;background:var(--bg-2);border-left:none;border:1px solid var(--line);padding:8px 14px;}
  .anchor-link.is-current{border-color:rgba(255,122,24,.4);}
  .anchor-note{display:none;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .page-hero{padding:40px 0 34px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .kp-list{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .cta-panel{padding:32px 22px;}
  .cta-panel h2{font-size:24px;}
  .feedback{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .timeline{padding-left:26px;}
  .tl-item::before{left:-25px;}
  .faq-item summary{font-size:16.5px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px 18px;}
}
@media (max-width:400px){
  .brand-text small{display:none;}
  .page-hero h1{font-size:25px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070A14;
  --bg-1:#0C1222;
  --bg-2:#131B2E;
  --brand-500:#FF7A18;
  --brand-400:#FF9A3D;
  --brand-600:#DE5F08;
  --aux-400:#35D6E8;
  --aux-500:#4C8DFF;
  --text-0:#F2F6FF;
  --text-1:#C4CFE4;
  --text-2:#8492AE;
  --line:rgba(140,170,220,.14);
  --glass:rgba(19,27,46,.55);
  --glow:rgba(255,122,24,.45);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(0,0,0,.7);
  --container:1200px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--nav-h);
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(255,122,24,.16), transparent 62%),
    radial-gradient(760px 460px at 6% 6%, rgba(53,214,232,.10), transparent 60%),
    var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;line-height:1.35;}
h1{font-size:44px;letter-spacing:-.5px;}
h2{font-size:30px;}
h3{font-size:20px;}
h4{font-size:16px;}
p{margin:0;}
a{color:var(--text-1);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--brand-400);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--aux-400);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-400);letter-spacing:1px;
  margin-bottom:14px;font-weight:500;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15px;}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out,backdrop-filter .24s ease-out;
}
.site-header.is-scrolled{
  background:rgba(12,18,34,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:28px;width:100%;
}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand strong{font-size:17px;color:var(--text-0);font-weight:700;letter-spacing:.3px;}
.brand span{font-size:12px;color:var(--text-2);letter-spacing:2px;}
.brand:hover strong{color:var(--brand-400);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:36px;
  padding:0 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-1);font-weight:500;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--text-0);background:rgba(140,170,220,.07);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-0);}
.nav-side{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:180px;height:38px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  color:var(--text-0);
  font-size:14px;
  padding:0 40px 0 16px;
  font-family:inherit;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,width .24s ease-out;
}
.nav-search input::placeholder{color:var(--text-2);}
.nav-search input:focus{
  outline:none;
  width:210px;
  border-color:transparent;
  box-shadow:0 0 0 2px var(--aux-400);
}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border:0;background:transparent;
  color:var(--text-2);cursor:pointer;border-radius:50%;
}
.nav-search button:hover{color:var(--brand-400);}
.nav-toggle{
  display:none;width:40px;height:40px;
  border:1px solid var(--line);background:var(--glass);
  border-radius:10px;color:var(--text-0);cursor:pointer;font-size:16px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--radius-md);
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#FF9A3D,#FF7A18);
  color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.5),0 10px 30px -8px var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,24,.65),0 18px 38px -10px var(--glow);color:#1A0E04;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--text-0);border-color:var(--line);
}
.btn-ghost:hover{border-color:rgba(255,122,24,.55);color:var(--brand-400);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-pill{border-radius:var(--radius-pill);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-400);
}
.link-arrow i{transition:transform .2s ease-out;}
.link-arrow:hover i{transform:translateX(4px);}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--text-1);white-space:nowrap;
}
.badge--hot{color:var(--brand-400);border-color:rgba(255,122,24,.4);}
.badge--aux{color:var(--aux-400);border-color:rgba(53,214,232,.35);}
.badge i{font-size:11px;}

/* ===== 面包屑 ===== */
.crumb-bar{
  border-bottom:1px solid var(--line);
  background:rgba(12,18,34,.5);
}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--text-2);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-400);}
.crumb .sep{color:rgba(140,170,220,.35);}
.crumb .current{color:var(--text-1);}

/* ===== 矮 Hero ===== */
.channel-hero{padding:56px 0 72px;}
.channel-hero .grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.channel-hero h1{margin:16px 0 18px;font-size:46px;}
.channel-hero .lead{font-size:17px;color:var(--text-1);max-width:520px;}
.channel-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:34px;}
.hero-facts .fact{font-size:13px;color:var(--text-2);}
.hero-facts .fact b{display:block;font-size:22px;color:var(--brand-400);font-weight:700;font-variant-numeric:tabular-nums;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  background:var(--bg-2);
}
.hero-media .glass-chip{
  position:absolute;left:20px;bottom:20px;
  padding:12px 18px;
  background:var(--glass);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  font-size:13px;color:var(--text-1);
  display:flex;align-items:center;gap:10px;
}
.hero-media .glass-chip i{color:var(--brand-400);}

/* ===== 要点摘要 ===== */
.keypoints{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-1);
}
.keypoints h3{margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.keypoints h3 i{color:var(--brand-400);font-size:18px;}
.keypoint-list{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.keypoint-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-1);
  padding:14px 16px;
  background:rgba(7,10,20,.45);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  line-height:1.6;
}
.keypoint-list i{color:var(--brand-500);margin-top:4px;font-size:13px;}

/* ===== 通道卡矩阵 ===== */
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.channel-card{
  display:grid;grid-template-columns:190px 1fr;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  position:relative;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,122,24,.35);}
.channel-card:hover h3{color:var(--brand-400);}
.channel-card .thumb{
  background:var(--bg-2);
  position:relative;
}
.channel-card .thumb img{
  width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;
}
.channel-card .body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;}
.channel-card .body p{font-size:14.5px;color:var(--text-2);}
.channel-card .card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);
}
.card-arrow{
  width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:transform .22s ease-out,color .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.channel-card:hover .card-arrow{
  color:#1A0E04;background:linear-gradient(135deg,#FF9A3D,#FF7A18);
  border-color:transparent;transform:translateX(4px);
}

/* ===== 步骤时间条 ===== */
.flow-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--glass);
  overflow:hidden;
}
.flow-step{
  padding:28px 24px;
  border-right:1px dashed rgba(140,170,220,.22);
  position:relative;
  transition:background .2s ease-out;
}
.flow-step:last-child{border-right:0;}
.flow-step:hover{background:rgba(255,122,24,.05);}
.flow-step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:rgba(255,122,24,.12);
  border:1px solid rgba(255,122,24,.35);
  color:var(--brand-400);
  font-size:15px;font-weight:700;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-2);}

/* ===== 提示信息条 ===== */
.notice-bar{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px 28px;
  background:linear-gradient(120deg,rgba(53,214,232,.10),rgba(19,27,46,.5));
  border:1px solid rgba(53,214,232,.25);
  border-left:3px solid var(--aux-400);
  border-radius:var(--radius-lg);
}
.notice-bar i{color:var(--aux-400);font-size:20px;margin-top:4px;}
.notice-bar h3{font-size:17px;margin-bottom:8px;}
.notice-bar ul{display:grid;gap:8px;}
.notice-bar li{font-size:14.5px;color:var(--text-1);display:flex;gap:8px;}
.notice-bar li::before{content:"·";color:var(--aux-400);font-weight:700;}

/* ===== 对照表（非表格排版，用列表卡） ===== */
.match-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.match-item{
  padding:24px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  transition:transform .22s ease-out,border-color .22s ease-out;
}
.match-item:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.3);}
.match-item .tag{margin-bottom:14px;}
.match-item h3{font-size:17px;margin-bottom:8px;}
.match-item p{font-size:14px;color:var(--text-2);}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-item.is-open{border-color:rgba(255,122,24,.35);background:rgba(19,27,46,.72);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  color:var(--text-0);font-size:18px;font-weight:600;text-align:left;line-height:1.5;
}
.faq-q i{color:var(--brand-400);font-size:14px;transition:transform .22s ease-out;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease-out;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-left-color:var(--brand-500);}
.faq-a .inner{padding:0 24px 22px 24px;font-size:15px;color:var(--text-1);line-height:1.75;}

/* ===== CTA ===== */
.cta-block{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 300px at 82% 20%, rgba(255,122,24,.20), transparent 65%),
    var(--bg-1);
  padding:56px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  overflow:hidden;
}
.cta-block h2{margin-bottom:14px;}
.cta-block p{color:var(--text-2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.cta-aside{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
}
.cta-aside h4{margin-bottom:14px;font-size:15px;color:var(--text-0);}
.cta-aside ul{display:grid;gap:12px;}
.cta-aside li{font-size:14px;color:var(--text-2);display:flex;gap:10px;align-items:flex-start;}
.cta-aside i{color:var(--brand-400);margin-top:4px;font-size:13px;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand strong{display:block;font-size:18px;color:var(--text-0);margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8;}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text-0);}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact{display:grid;gap:14px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start;line-height:1.65;}
.footer-contact i{color:var(--brand-400);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.fb-left{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--text-2);}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
}
.back-top:hover{color:var(--brand-400);}

/* ===== 移动抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.65);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
  z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:var(--bg-1);border-left:1px solid var(--line);
  z-index:96;padding:24px;
  display:flex;flex-direction:column;gap:10px;
  transform:translateX(100%);transition:transform .28s ease-out;
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer .drawer-head strong{font-size:16px;color:var(--text-0);}
.drawer .drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);cursor:pointer;
}
.drawer a.nav-link{height:44px;font-size:15.5px;}
.drawer .btn{margin-top:auto;width:100%;}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .channel-card{grid-template-columns:170px 1fr;}
}
@media (max-width:1024px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .channel-hero{padding:40px 0 56px;}
  .channel-hero h1{font-size:34px;}
  .channel-hero .grid{grid-template-columns:1fr;gap:36px;}
  .keypoint-list{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:1fr;}
  .flow-strip{grid-template-columns:repeat(2,1fr);}
  .flow-step:nth-child(2){border-right:0;}
  .flow-step:nth-child(1),.flow-step:nth-child(2){border-bottom:1px dashed rgba(140,170,220,.22);}
  .match-grid{grid-template-columns:repeat(2,1fr);}
  .cta-block{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:940px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{justify-content:space-between;}
}
@media (max-width:640px){
  :root{--nav-h:56px;}
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .channel-hero h1{font-size:28px;margin:12px 0 14px;}
  .channel-hero .lead{font-size:15.5px;}
  .channel-hero .hero-actions .btn{width:100%;}
  .hero-facts{gap:18px;margin-top:26px;}
  .keypoints{padding:22px;}
  .keypoint-list{grid-template-columns:1fr;gap:12px;}
  .channel-card{grid-template-columns:1fr;}
  .channel-card .thumb img{aspect-ratio:16/9;}
  .channel-card .body{padding:18px;}
  .flow-strip{grid-template-columns:1fr;}
  .flow-step{border-right:0;border-bottom:1px dashed rgba(140,170,220,.22);padding:22px 18px;}
  .flow-step:last-child{border-bottom:0;}
  .flow-step:nth-child(2){border-right:0;}
  .match-grid{grid-template-columns:1fr;}
  .notice-bar{padding:20px;flex-direction:column;gap:12px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a .inner{padding:0 18px 18px;}
  .cta-block{padding:26px 20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:1440px){
  :root{--container:1280px;}
  .section{padding:96px 0;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070A14;
  --bg-1:#0C1222;
  --bg-2:#131B2E;
  --brand-500:#FF7A18;
  --brand-400:#FF9A3D;
  --brand-600:#DE5F08;
  --aux-400:#35D6E8;
  --aux-500:#4C8DFF;
  --text-0:#F2F6FF;
  --text-1:#C4CFE4;
  --text-2:#8492AE;
  --line:rgba(140,170,220,.14);
  --glass:rgba(19,27,46,.55);
  --glow:rgba(255,122,24,.45);
  --danger:#FF6B6B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(0,0,0,.7);
  --header-h:64px;
  --sec-y:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,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:1.75;
  color:var(--text-1);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  top:0;left:0;right:0;
  height:560px;
  background:
    radial-gradient(720px 320px at 16% 0%, rgba(255,122,24,.16), transparent 70%),
    radial-gradient(640px 320px at 84% 0%, rgba(53,214,232,.10), transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand-400);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{color:var(--text-0);margin:0;font-weight:700;line-height:1.35;}
h1{font-size:clamp(28px,4.4vw,48px);letter-spacing:-.5px;}
h2{font-size:clamp(22px,2.8vw,32px);}
h3{font-size:20px;}
h4{font-size:17px;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--aux-400);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(255,122,24,.35);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-y) 0;position:relative;z-index:1;}
.section-alt{background:linear-gradient(180deg, rgba(12,18,34,0) 0%, rgba(12,18,34,.85) 40%, rgba(12,18,34,0) 100%);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);margin:0;font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-400);
  background:rgba(255,122,24,.10);
  border:1px solid rgba(255,122,24,.28);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;letter-spacing:.4px;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  background:rgba(7,10,20,.72);
  border-bottom:1px solid transparent;
  transition:background .22s ease-out,border-color .22s ease-out,backdrop-filter .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(9,13,26,.86);
  border-bottom-color:var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-inner{
  display:flex;align-items:center;gap:24px;height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,var(--brand-400),var(--brand-500));
  color:#1A0E04;font-size:15px;
  box-shadow:0 0 0 1px rgba(255,122,24,.5),0 8px 22px -10px var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:var(--text-0);font-size:16px;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-2);letter-spacing:1px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:var(--header-h);padding:0 14px;
  font-size:15px;color:var(--text-1);white-space:nowrap;
  transition:color .2s ease-out;
}
.nav-link:hover{color:var(--text-0);}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-0);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  background:var(--glass);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease-out;
}
.nav-search:focus-within{border-color:var(--aux-400);}
.nav-search i{color:var(--text-2);font-size:13px;}
.nav-search input{
  width:150px;border:0;background:transparent;color:var(--text-0);
  font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--text-2);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-0);
  cursor:pointer;transition:border-color .2s ease-out;
}
.nav-toggle:hover{border-color:rgba(255,122,24,.5);color:var(--brand-400);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:var(--bg-1);border-left:1px solid var(--line);
  z-index:90;padding:20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);transition:transform .26s ease-out;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-head strong{color:var(--text-0);font-size:16px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;background:transparent;
  border:1px solid var(--line);color:var(--text-1);cursor:pointer;
}
.drawer-close:hover{border-color:rgba(255,122,24,.5);color:var(--brand-400);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{
  padding:14px 4px;border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:15px;
}
.drawer-link.is-active{color:var(--brand-400);font-weight:600;}
.drawer-cta{margin-top:20px;width:100%;justify-content:center;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.68);
  z-index:80;opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(180deg,var(--brand-400),var(--brand-500));
  color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.5),0 10px 30px -8px var(--glow);
}
.btn-primary:hover{
  transform:translateY(-2px);color:#1A0E04;
  box-shadow:0 0 0 1px rgba(255,122,24,.62),0 18px 40px -12px var(--glow);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-0);}
.btn-ghost:hover{border-color:rgba(255,122,24,.55);color:var(--brand-400);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
}
.badge-brand{color:var(--brand-400);border-color:rgba(255,122,24,.32);background:rgba(255,122,24,.10);}
.badge-aux{color:var(--aux-400);border-color:rgba(53,214,232,.3);background:rgba(53,214,232,.08);}

/* ===== 面包屑 ===== */
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);padding:22px 0 0;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-400);}
.crumb i{font-size:10px;}

/* ===== 分类页首屏 ===== */
.page-hero{padding:28px 0 8px;position:relative;z-index:1;}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(140,170,220,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,220,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(600px 300px at 20% 20%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(600px 300px at 20% 20%,#000,transparent 78%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:36px 0 8px;
}
.hero-copy h1{margin-bottom:18px;}
.hero-lead{font-size:17px;color:var(--text-1);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-figure{
  margin:0;position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:16/10;background:var(--bg-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  padding:10px 14px;font-size:13px;color:var(--text-1);
}

/* ===== 本页要点 ===== */
.key-points{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:16px;margin:44px 0 0;
  padding:22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-1);
}
.key-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-1);}
.key-points li span.num{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,122,24,.12);border:1px solid rgba(255,122,24,.3);
  color:var(--brand-400);font-size:12px;font-weight:700;margin-top:2px;
}

/* ===== 分组标题 ===== */
.group-block{margin-bottom:64px;}
.group-title{display:flex;align-items:center;gap:14px;margin-bottom:10px;}
.cn-num{
  flex:0 0 auto;
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--brand-400);
  background:rgba(255,122,24,.10);border:1px solid rgba(255,122,24,.3);
}
.group-desc{color:var(--text-2);font-size:15px;max-width:780px;margin:0 0 24px;}
.group-hint{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);
  margin-bottom:18px;
}

/* ===== 手风琴（Foundation accordion 重绘） ===== */
.accordion{
  background:transparent;border:0;margin:0;padding:0;
}
.accordion::before,.accordion::after{display:none;content:none;}
.accordion .accordion-item{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  margin-bottom:14px;overflow:hidden;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.accordion .accordion-item:hover{
  transform:translateY(-3px);
  border-color:rgba(255,122,24,.32);
}
.accordion .accordion-item.is-active{
  border-color:rgba(255,122,24,.45);
  box-shadow:0 18px 44px -22px var(--glow);
  background:linear-gradient(180deg, rgba(255,122,24,.06), rgba(19,27,46,.62));
}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;
  font-size:18px;font-weight:600;color:var(--text-0);
  background:transparent;border:0;line-height:1.5;
  transition:color .2s ease-out;
}
.accordion .accordion-title:hover{color:var(--brand-400);}
.accordion .accordion-title .q-tag{
  flex:0 0 auto;font-size:12px;font-weight:600;
  color:var(--aux-400);background:rgba(53,214,232,.08);
  border:1px solid rgba(53,214,232,.26);border-radius:999px;
  padding:4px 10px;margin-right:12px;
}
.accordion .accordion-title .q-text{flex:1 1 auto;}
.accordion .accordion-title .fa-chevron-down{
  flex:0 0 auto;font-size:13px;color:var(--text-2);
  transition:transform .22s ease-out,color .22s ease-out;
}
.accordion .accordion-item.is-active .accordion-title .fa-chevron-down{
  transform:rotate(180deg);color:var(--brand-500);
}
.accordion .accordion-content{
  display:none;
  padding:0 22px 22px 22px;
  border:0;background:transparent;
  color:var(--text-1);font-size:15px;line-height:1.75;
}
.accordion .accordion-item.is-active > .accordion-content{display:block;}
.accordion .accordion-content p{margin:0 0 12px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}
.accordion .accordion-content .inner-note{
  border-left:3px solid var(--brand-500);
  padding:10px 0 10px 16px;margin-top:14px;
  background:rgba(255,122,24,.05);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-1);font-size:14px;
}
.accordion .accordion-content .step-list{margin-top:10px;display:grid;gap:8px;}
.accordion .accordion-content .step-list li{
  display:flex;gap:10px;font-size:14px;color:var(--text-1);
}
.accordion .accordion-content .step-list li i{
  color:var(--brand-500);font-size:10px;margin-top:8px;
}

/* ===== 图文卡片 ===== */
.info-cards{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.info-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--shadow-1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,122,24,.35);
  box-shadow:var(--shadow-2);
}
.info-card:hover h3{color:var(--brand-400);}
.info-card figure{
  flex:0 0 42%;margin:0;border-radius:var(--r-md);overflow:hidden;
  background:var(--bg-2);aspect-ratio:4/3;
}
.info-card figure img{width:100%;height:100%;object-fit:cover;}
.info-card .info-body{flex:1 1 auto;display:flex;flex-direction:column;}
.info-card h3{font-size:18px;margin-bottom:10px;transition:color .2s ease-out;}
.info-card p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.info-card .arrow{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--brand-400);
}
.info-card .arrow i{transition:transform .2s ease-out;font-size:12px;}
.info-card:hover .arrow i{transform:translateX(4px);}

/* ===== 自查清单 ===== */
.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}
.check-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,border-color .22s ease-out;
}
.check-item:hover{transform:translateY(-4px);border-color:rgba(53,214,232,.34);}
.check-item .ci-head{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.check-item .ci-num{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.3);
  color:var(--aux-500);font-size:14px;font-weight:700;
}
.check-item h3{font-size:16px;margin:0;}
.check-item p{font-size:14px;color:var(--text-2);margin:0;}

/* ===== 反馈表单 ===== */
.feedback{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start;
  background:linear-gradient(180deg, rgba(19,27,46,.72), rgba(12,18,34,.6));
  border:1px solid var(--line);border-radius:20px;
  padding:40px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-2);
}
.feedback h2{margin-bottom:14px;}
.feedback .fb-side p{color:var(--text-2);font-size:14px;}
.fb-list{display:grid;gap:10px;margin-top:18px;}
.fb-list li{display:flex;gap:10px;font-size:14px;color:var(--text-1);}
.fb-list li i{color:var(--brand-500);margin-top:7px;font-size:10px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;background:rgba(7,10,20,.6);
  border:1px solid var(--line);border-radius:var(--r-md);
  color:var(--text-0);padding:12px 14px;font-size:14px;line-height:1.6;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-row textarea{min-height:110px;resize:vertical;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--aux-400);
  box-shadow:0 0 0 3px rgba(53,214,232,.18);
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-2);}
.form-note{font-size:12.5px;color:var(--text-2);margin:12px 0 0;}
.form-status{font-size:13px;color:var(--aux-400);margin-top:12px;min-height:20px;}

/* ===== 底部 CTA ===== */
.cta-band{
  text-align:center;padding:52px 32px;border-radius:20px;
  background:radial-gradient(520px 220px at 50% 0%, rgba(255,122,24,.16), transparent 70%),
             linear-gradient(180deg, rgba(19,27,46,.78), rgba(12,18,34,.62));
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{color:var(--text-2);max-width:640px;margin:0 auto 26px;font-size:15px;}
.cta-band .cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;z-index:1;
  margin-top:60px;padding:64px 0 28px;
  background:linear-gradient(180deg, rgba(12,18,34,0), rgba(9,13,26,.92) 30%);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand strong{
  display:block;font-size:18px;color:var(--text-0);margin-bottom:12px;
}
.footer-brand p{font-size:14px;color:var(--text-2);margin:0 0 16px;max-width:360px;}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-0);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--text-2);transition:color .2s ease-out;}
.footer-col li a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.footer-contact i{color:var(--brand-500);margin-top:6px;font-size:12px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.fb-left{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--text-2);}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-1);
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--glass);transition:border-color .2s ease-out,color .2s ease-out;
}
.back-top:hover{border-color:rgba(255,122,24,.5);color:var(--brand-400);}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  :root{--sec-y:64px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-search{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-top:24px;}
  .hero-figure{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .feedback{grid-template-columns:1fr;padding:32px;}
}
@media screen and (max-width:768px){
  :root{--sec-y:56px;--header-h:56px;}
  .container{padding:0 18px;}
  .brand-text em{display:none;}
  h1{font-size:28px;}
  .hero-lead{font-size:15.5px;}
  .info-cards{grid-template-columns:1fr;}
  .info-card{flex-direction:column;}
  .info-card figure{flex:0 0 auto;width:100%;aspect-ratio:16/10;}
  .key-points{padding:18px;gap:12px;}
  .accordion .accordion-title{font-size:16px;padding:16px 16px;}
  .accordion .accordion-content{padding:0 16px 18px 16px;}
  .cta-band{padding:36px 20px;}
}
@media screen and (max-width:520px){
  :root{--sec-y:48px;}
  .hero-actions .btn{width:100%;}
  .btn{height:44px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .info-card{padding:14px;}
  .feedback{padding:22px 18px;}
  .group-title{flex-wrap:wrap;}
  .accordion .accordion-title .q-tag{display:none;}
}
@media (min-width:1440px){
  :root{--sec-y:104px;}
  .container{max-width:1280px;}
}