/* roulang page: index */
:root{
  --brand-600:#0A9E7E;
  --brand-500:#12C9A0;
  --brand-400:#35E0B4;
  --coral:#FF7A59;
  --coral-light:#FFA07A;
  --ink-900:#06171A;
  --ink-800:#0B2429;
  --ink-700:#123238;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(53,224,180,.45);
  --text-hi:#EAF5F2;
  --text-mid:#9FB8B5;
  --paper:#F5F8F7;
  --paper-text:#1B2B2A;
  --grad:linear-gradient(135deg,#0A9E7E 0%,#35E0B4 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --shadow:0 14px 34px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.06) inset;
  --shadow-hover:0 20px 44px rgba(0,0,0,.55), 0 0 26px rgba(18,201,160,.28);
  --container:1240px;
  --pad-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(11,36,41,.94);
  border-bottom-color:var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand-mark{
  position:relative;width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad);box-shadow:0 8px 20px rgba(18,201,160,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%, rgba(6,23,26,.15), rgba(6,23,26,.85));
}
.brand-text{color:var(--text-hi)}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  font-size:15px;color:var(--text-mid);padding:6px 2px;
}
.nav-link:hover{color:var(--brand-400)}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;
  padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad);color:#04211C;font-size:15px;font-weight:700;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 8px 20px rgba(10,158,126,.32);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 26px rgba(18,201,160,.4);color:#04211C}
.nav-cta:active{transform:translateY(1px);filter:brightness(.95)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(18,201,160,.08);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-400);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 通用按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#04211C;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 10px 24px rgba(10,158,126,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,201,160,.45);color:#04211C}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95)}
.btn-ghost{background:transparent;border-color:rgba(53,224,180,.55);color:var(--brand-400)}
.btn-ghost:hover{background:rgba(18,201,160,.14);border-color:var(--brand-400);color:var(--brand-400)}
.btn-coral{background:var(--coral);color:#2A0E06;box-shadow:0 10px 22px rgba(255,122,89,.3)}
.btn-coral:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,122,89,.42);color:#2A0E06}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.4;color:var(--text-hi);
  background:rgba(18,201,160,.14);border:1px solid rgba(18,201,160,.25);
}
.badge strong{font-variant-numeric:tabular-nums;font-weight:700;color:var(--brand-400)}
.badge-coral{background:rgba(255,122,89,.16);border-color:rgba(255,122,89,.3)}
.badge-coral strong{color:var(--coral-light)}
.badge-plain{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-mid)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand-400);display:inline-block;flex:0 0 6px}
.dot-live{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(53,224,180,.55)}
  50%{opacity:.7;box-shadow:0 0 0 7px rgba(53,224,180,0)}
}
.corner-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 10px;border-radius:8px;font-size:12px;
  background:rgba(6,23,26,.82);color:var(--brand-400);
  border:1px solid rgba(53,224,180,.3);backdrop-filter:blur(4px);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-400);font-size:14px;font-weight:600;min-height:44px;
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:11px;color:var(--brand-500)}

/* ============ Hero ============ */
.hero{position:relative;min-height:76vh;display:flex;align-items:center;overflow:hidden;background:var(--ink-900)}
.hero-media{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(90deg,rgba(6,23,26,.95) 0%,rgba(6,23,26,.55) 52%,rgba(6,23,26,.15) 100%),
    linear-gradient(180deg,rgba(6,23,26,.85) 0%,rgba(6,23,26,0) 55%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
}
.hero-media::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(115deg,rgba(53,224,180,.9) 0 1px,transparent 1px 26px);
}
.hero-inner{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;width:100%}
.hero-tower{max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--brand-400);
  background:rgba(18,201,160,.12);border:1px solid rgba(53,224,180,.28);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,48px);
  line-height:1.2;font-weight:800;letter-spacing:-.4px;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-mid);max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 板块通用 ============ */
.section{padding:var(--pad-y) 0}
.section--alt{background:var(--ink-800)}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-title{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.3}
.section-title em{font-style:normal;color:var(--brand-400)}
.section-desc{color:var(--text-mid);font-size:15px;margin-top:10px;max-width:680px}
.section-line{height:1px;background:linear-gradient(90deg,transparent,rgba(53,224,180,.5),transparent);border:0;margin:0}

/* ============ 服务保障（不对称双栏） ============ */
.split-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.feature-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-card .fc-body{padding:26px 28px 30px}
.feature-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--text-mid)}
.fc-mask{
  position:absolute;left:0;right:0;bottom:0;height:52%;
  background:linear-gradient(180deg,rgba(11,36,41,0) 0%,rgba(11,36,41,.92) 78%);
  pointer-events:none;
}
.stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.row-card{
  display:flex;gap:16px;align-items:center;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.row-card img{width:104px;height:88px;flex:0 0 104px;object-fit:cover;border-radius:var(--r-sm)}
.row-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.row-card p{font-size:13.5px;color:var(--text-mid);line-height:1.7}
.row-card .badge{margin-top:8px}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 18px;scrollbar-width:thin;scrollbar-color:var(--brand-500) rgba(255,255,255,.06);
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.06);border-radius:6px}
.rail::-webkit-scrollbar-thumb{background:var(--brand-500);border-radius:6px}
.rail-card{
  position:relative;flex:0 0 272px;scroll-snap-align:start;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rail-card .rc-body{padding:16px 18px 18px}
.rail-card h3{font-size:16px;font-weight:600;margin-bottom:6px}
.rail-card p{font-size:13px;color:var(--text-mid)}
.rail-card .badge{margin-top:12px}
.rail-btn{
  position:absolute;top:38%;z-index:5;
  width:44px;height:44px;border-radius:50%;
  background:rgba(6,23,26,.85);border:1px solid var(--line-strong);
  color:var(--brand-400);font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,transform .2s ease,color .2s ease;
}
.rail-btn:hover{background:rgba(18,201,160,.2);transform:scale(1.06);color:var(--brand-400)}
.rail-prev{left:-14px}
.rail-next{right:-14px}

/* ============ 重点入口推荐（错落栅格） ============ */
.pick-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px}
.poster-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--ink-700);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  min-height:320px;display:flex;align-items:flex-end;
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.poster-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.poster-card .pc-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,23,26,.05) 0%,rgba(6,23,26,.55) 52%,rgba(6,23,26,.94) 100%);
}
.pc-body{position:relative;z-index:2;padding:26px 28px 28px;width:100%}
.pc-body h3{font-size:22px;font-weight:700;margin-bottom:10px}
.pc-body p{font-size:14.5px;color:var(--text-mid);margin-bottom:14px}
.rank-badge{
  position:absolute;right:16px;top:16px;z-index:3;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,122,89,.9);color:#2A0E06;
  font-weight:700;font-size:13px;font-variant-numeric:tabular-nums;
}
.mid-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.mid-card{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-700);box-shadow:var(--shadow);
  display:flex;align-items:flex-end;min-height:150px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mid-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.mid-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mid-card .pc-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,23,26,.1) 0%,rgba(6,23,26,.9) 100%)}
.mid-card .mc-body{position:relative;z-index:2;padding:18px 20px 20px;width:100%}
.mid-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.mid-card .badge{margin-top:10px}

/* ============ 内容分区 ============ */
.zone{display:grid;grid-template-columns:280px 1fr;gap:36px;padding:44px 0}
.zone + .zone{border-top:1px solid var(--line)}
.zone-side h3{font-size:20px;font-weight:700;margin-bottom:12px}
.zone-side p{font-size:14.5px;color:var(--text-mid);margin-bottom:14px}
.zone-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.zone-grid-asym{display:grid;grid-template-columns:1.6fr 1fr;gap:22px}
.mini-card{
  border-radius:var(--r-md);overflow:hidden;background:var(--ink-700);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.mini-card .thumb{position:relative}
.mini-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mini-card .mc-body{padding:16px 18px 20px}
.mini-card h4{font-size:16px;font-weight:600;margin-bottom:8px}
.mini-card p{font-size:13.5px;color:var(--text-mid);line-height:1.7}
.mini-card .badge{margin-top:12px}
.line-rows{display:grid;gap:20px}
.line-row{
  display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.line-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.line-row img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm)}
.line-row h4{font-size:17px;font-weight:600;margin-bottom:8px}
.line-row p{font-size:14px;color:var(--text-mid);margin-bottom:10px}

/* ============ 最新信息（CMS 列表） ============ */
.content-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.content-card{
  border-radius:var(--r-md);overflow:hidden;background:var(--ink-700);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.content-link{display:block;height:100%}
.content-thumb{position:relative}
.content-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.content-body{padding:18px 20px 22px}
.content-title{
  font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.content-summary{
  font-size:14px;color:var(--text-mid);line-height:1.75;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.content-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-mid)}
.content-meta i{width:4px;height:4px;border-radius:50%;background:var(--text-mid);opacity:.55;display:inline-block}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed rgba(255,255,255,.14);border-radius:var(--r-md);background:rgba(255,255,255,.02);
  text-align:center;padding:32px;
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(18,201,160,.12);border:1px solid rgba(53,224,180,.3);color:var(--brand-400);font-size:20px;
}
.empty-state p{color:var(--text-mid);font-size:15px}

/* ============ CTA 条 ============ */
.cta-section{padding:0 0 var(--pad-y)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  background-image:linear-gradient(120deg,rgba(6,23,26,.86) 0%,rgba(10,158,126,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:0 20px 44px rgba(0,0,0,.45);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.9) 0 1px,transparent 1px 30px);
}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:10px}
.cta-text p{font-size:15px;color:rgba(234,245,242,.86)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 14px 34px rgba(0,0,0,.45),0 0 22px rgba(18,201,160,.16)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:18px;font-weight:600;text-align:left;min-height:44px;
}
.faq-q:hover{color:var(--brand-400)}
.faq-q .plus{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;position:relative;
  background:rgba(18,201,160,.16);transition:transform .24s ease,background-color .24s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-400);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:10px;height:2px}
.faq-q .plus::after{width:2px;height:10px;transition:opacity .24s ease}
.faq-item.is-open .faq-q .plus{transform:rotate(180deg);background:rgba(18,201,160,.3)}
.faq-item.is-open .faq-q .plus::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-mid)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink-900);border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(53,224,180,.9) 0 1px,transparent 1px 28px);
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-weight:700;font-size:16px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-hi)}
.footer-col p{font-size:14px;color:var(--text-mid);line-height:1.85}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{
  font-size:14px;color:var(--text-mid);display:inline-flex;align-items:center;min-height:32px;
  transition:color .2s ease,transform .2s ease;
}
.footer-col li a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-social{display:flex;gap:12px;margin-top:16px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-mid);background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.footer-social a:hover{color:var(--brand-400);border-color:var(--line-strong);background:rgba(18,201,160,.12)}
.footer-bottom{
  position:relative;z-index:2;margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-mid);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-tower{max-width:580px}
}
@media (max-width:1023px){
  :root{--pad-y:64px}
  .container{padding:0 24px}
  .split-grid{grid-template-columns:1fr}
  .pick-grid{grid-template-columns:1fr}
  .zone{grid-template-columns:1fr;gap:24px;padding:36px 0}
  .zone-grid-3{grid-template-columns:repeat(2,1fr)}
  .content-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .rail-btn{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(80vw,320px);z-index:90;
    background:var(--ink-800);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:96px 22px 32px;gap:6px;
    transform:translateX(105%);transition:transform .3s ease;
    box-shadow:-24px 0 48px rgba(0,0,0,.55);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{width:100%;padding:14px 14px;border-radius:14px;font-size:16px}
  .nav-link.is-active{background:rgba(18,201,160,.14);color:var(--brand-400)}
  .nav-link.is-active::after{display:none}
  .nav-cta{width:100%;margin-top:14px}
}
@media (max-width:767px){
  .zone-grid-asym{grid-template-columns:1fr}
  .line-row{grid-template-columns:1fr}
  .row-card{flex-direction:row}
  .hero-inner{padding-top:72px;padding-bottom:72px}
}
@media (max-width:639px){
  :root{--pad-y:44px}
  .container{padding:0 18px}
  .brand{font-size:15px}
  .brand-mark{width:32px;height:32px;flex:0 0 32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .zone-grid-3{grid-template-columns:1fr}
  .content-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .rail-card{flex:0 0 78%}
  .cta-band{padding:28px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a p{padding:0 18px 18px}
  .hero-actions .btn{flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --ink-900:#06171A;
  --ink-800:#0B2429;
  --ink-700:#123238;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(53,224,180,.45);
  --brand-600:#0A9E7E;
  --brand-500:#12C9A0;
  --brand-400:#35E0B4;
  --coral:#FF7A59;
  --coral-soft:#FFA07A;
  --text-hi:#EAF5F2;
  --text-mid:#9FB8B5;
  --paper:#F5F8F7;
  --paper-ink:#1B2B2A;
  --paper-mid:#5A6E6C;
  --grad:linear-gradient(135deg,#0A9E7E 0%,#35E0B4 100%);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --shadow-card:0 14px 34px rgba(0,0,0,.45);
  --shadow-hover:0 20px 44px rgba(0,0,0,.55),0 0 26px rgba(18,201,160,.28);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#04211C;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 10px 24px rgba(10,158,126,.28);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 14px 30px rgba(18,201,160,.42),0 0 26px rgba(18,201,160,.28);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95);}
.btn-ghost{background:transparent;border-color:rgba(53,224,180,.55);color:var(--brand-400);}
.btn-ghost:hover{background:rgba(18,201,160,.14);border-color:var(--brand-400);}
.btn-coral{background:rgba(255,122,89,.16);border-color:rgba(255,122,89,.5);color:var(--coral-soft);}
.btn-coral:hover{background:rgba(255,122,89,.28);color:#FFD6C8;box-shadow:0 0 20px rgba(255,122,89,.28);}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:13px;line-height:1.4;
  background:rgba(18,201,160,.14);color:var(--brand-400);
  border:1px solid rgba(18,201,160,.22);
}
.badge-plain{background:rgba(255,122,89,.14);color:var(--coral-soft);border-color:rgba(255,122,89,.22);}
.badge-soft{background:rgba(255,255,255,.06);color:var(--text-mid);border-color:var(--line);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand-400);display:inline-block;flex:0 0 auto;}
.dot-live{animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(53,224,180,.55);}50%{box-shadow:0 0 0 7px rgba(53,224,180,0);}}
.tag-corner{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 10px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(6,23,26,.82);color:var(--brand-400);border:1px solid rgba(53,224,180,.3);
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,23,26,.72);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,36,41,.94);
  border-bottom-color:var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text-hi);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:var(--grad);
  position:relative;box-shadow:0 6px 18px rgba(10,158,126,.4);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 8px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
  background:rgba(4,33,28,.85);
  transform:rotate(-12deg);
}
.brand-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;color:var(--text-mid);padding:8px 2px;}
.nav-link:hover{color:var(--brand-400);}
.nav-link.is-active{color:var(--text-hi);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-cta{
  display:inline-flex;align-items:center;min-height:42px;padding:0 22px;border-radius:999px;
  background:var(--grad);color:#04211C;font-size:15px;font-weight:700;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 8px 20px rgba(10,158,126,.3);
}
.nav-cta:hover{filter:brightness(1.07);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,.04);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-hi);transition:transform .2s ease,opacity .2s ease;}

/* ===== 顶部小 Hero ===== */
.hero-band{
  position:relative;overflow:hidden;
  min-height:290px;display:flex;align-items:flex-end;
  padding:104px 0 92px;
  background-image:linear-gradient(180deg,rgba(6,23,26,.96) 0%,rgba(6,23,26,.72) 55%,rgba(6,23,26,.96) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(53,224,180,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.35;
}
.hero-band .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-mid);margin-bottom:16px;}
.breadcrumb a{color:var(--text-mid);}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--brand-400);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-band h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.25;color:var(--text-hi);
  max-width:880px;margin-bottom:18px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 正文布局 ===== */
.page-main{padding:0 0 88px;position:relative;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:30px;
  margin-top:-52px;position:relative;z-index:5;
}
.reader-card{
  background:var(--paper);color:var(--paper-ink);
  border-radius:var(--radius-lg);padding:56px;
  box-shadow:var(--shadow-card);border:1px solid rgba(255,255,255,.08);
  min-width:0;
}
.reader-card .article-title{
  font-size:clamp(25px,3.1vw,36px);font-weight:800;line-height:1.3;color:#10201E;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--paper-mid);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-sep{width:4px;height:4px;border-radius:50%;background:rgba(27,43,42,.28);display:inline-block;}
.article-divider{height:3px;border-radius:3px;background:var(--grad);margin:26px 0 34px;max-width:120px;}

/* ===== 长文排版 ===== */
.article-body{font-size:17px;line-height:1.9;color:#1B2B2A;overflow-wrap:break-word;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:24px;font-weight:700;color:#10201E;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand-500);line-height:1.45;
}
.article-body h3{font-size:20px;font-weight:600;color:#10201E;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;color:#10201E;margin:22px 0 10px;}
.article-body ul{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--brand-500);
}
.article-body ol{margin:0 0 1.3em;padding-left:22px;list-style:decimal;}
.article-body ol li{margin-bottom:.55em;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:4px solid var(--brand-500);
  background:rgba(18,201,160,.09);border-radius:0 14px 14px 0;color:#25403C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:22px auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--paper-mid);text-align:center;margin-top:10px;}
.article-body a{color:#0A7F65;border-bottom:1px solid rgba(10,158,126,.4);}
.article-body a:hover{color:#065F4C;border-bottom-color:#065F4C;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body table thead th{background:rgba(18,201,160,.12);font-weight:700;}
.article-body table th,.article-body table td{
  border:1px solid rgba(27,43,42,.12);padding:10px 14px;text-align:left;
}
.article-body table tbody tr:nth-child(even){background:rgba(27,43,42,.035);}
.article-body strong{font-weight:700;color:#0E2A26;}
.tip-card{
  display:flex;gap:14px;padding:18px 20px;margin:24px 0;
  background:rgba(18,201,160,.1);border:1px solid rgba(18,201,160,.28);border-radius:16px;
}
.tip-card i{color:#0A7F65;font-size:18px;line-height:1.6;}
.article-body .tip-card p:last-child{margin-bottom:0;}

/* ===== 侧栏目录 ===== */
.article-aside{display:none;}
.toc-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;margin-bottom:20px;box-shadow:var(--shadow-card);
}
.toc-card h3{font-size:15px;color:var(--text-hi);margin-bottom:14px;letter-spacing:.4px;}
.toc-list li{margin-bottom:8px;}
.toc-list a{display:block;font-size:14px;color:var(--text-mid);line-height:1.6;padding-left:12px;border-left:2px solid transparent;}
.toc-list a:hover{color:var(--brand-400);}
.toc-list a.is-current{color:var(--brand-400);border-left-color:var(--brand-500);}
.toc-links li{margin-bottom:10px;}
.toc-links a{font-size:14px;color:var(--text-mid);display:inline-flex;align-items:center;gap:8px;}
.toc-links a::before{content:"›";color:var(--brand-500);}
.toc-links a:hover{color:var(--brand-400);transform:translateX(2px);}
.toc-card.sticky{position:sticky;top:96px;}

/* ===== 标签与推荐 ===== */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(27,43,42,.12);}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;font-size:13.5px;
  color:#0A7F65;border:1px solid rgba(10,158,126,.45);background:rgba(18,201,160,.06);
}
.tag-pill:hover{background:rgba(18,201,160,.16);color:#065F4C;}

.related-block{margin-top:88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--text-hi);}
.section-head .link-more{font-size:14px;color:var(--brand-400);display:inline-flex;align-items:center;gap:6px;}
.section-head .link-more:hover{gap:10px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,23,26,0) 45%,rgba(6,23,26,.78) 100%);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;font-weight:600;color:var(--text-hi);line-height:1.5;}
.post-card:hover .post-body h3{color:var(--brand-400);}
.post-summary{font-size:14px;color:var(--text-mid);line-height:1.7;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--text-mid);margin-top:auto;}
.post-meta .meta-sep{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);display:inline-block;}

/* ===== 上下篇 ===== */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px;}
.pager-item{
  display:flex;gap:14px;align-items:center;
  padding:18px 22px;border-radius:var(--radius-sm);
  background:var(--ink-800);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.pager-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.pager-item i{color:var(--brand-400);}
.pager-item .pager-label{font-size:12.5px;color:var(--text-mid);display:block;}
.pager-item .pager-title{font-size:15.5px;color:var(--text-hi);font-weight:600;}
.pager-item.is-next{justify-content:flex-end;text-align:right;}

/* ===== FAQ ===== */
.faq-block{margin-top:88px;}
.faq-list{display:grid;gap:14px;max-width:960px;}
.faq-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 22px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:0 0 22px rgba(18,201,160,.14);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;font-size:16.5px;font-weight:600;color:var(--text-hi);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;border-radius:50%;flex:0 0 auto;position:relative;
  background:rgba(18,201,160,.14);border:1px solid rgba(18,201,160,.3);
  transition:transform .24s ease;
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-400);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:11px;height:2px;}
.faq-item summary .plus::after{width:2px;height:11px;}
.faq-item[open] summary .plus{transform:rotate(135deg);}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text-mid);}

/* ===== CTA ===== */
.cta-band{
  margin-top:88px;border-radius:var(--radius-lg);padding:44px 48px;
  background:var(--grad);color:#04211C;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(10,158,126,.28);
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);color:#04211C;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(4,33,28,.82);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-primary{background:#04211C;color:#CFF7EC;box-shadow:0 10px 24px rgba(4,33,28,.3);}
.cta-band .btn-primary:hover{filter:brightness(1.15);}
.cta-band .btn-ghost{border-color:rgba(4,33,28,.5);color:#04211C;}
.cta-band .btn-ghost:hover{background:rgba(4,33,28,.12);border-color:#04211C;}

/* ===== 空态 ===== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:220px;text-align:center;padding:30px;
}
.empty-state i{font-size:30px;color:var(--brand-500);}
.empty-state p{color:var(--paper-mid);font-size:15px;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-900);border-top:1px solid var(--line);
  padding:64px 0 26px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(53,224,180,.14) 1px,transparent 1px);
  background-size:30px 30px;opacity:.28;
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-col h4{font-size:15px;color:var(--text-hi);margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:16.5px;font-weight:700;color:var(--text-hi);margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-mid);line-height:1.85;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-mid);}
.footer-col ul a:hover{color:var(--brand-400);transform:translateX(2px);display:inline-block;}
.footer-social{display:flex;gap:12px;margin-top:16px;}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-mid);background:rgba(255,255,255,.03);
}
.footer-social a:hover{color:var(--brand-400);border-color:var(--line-strong);background:rgba(18,201,160,.1);}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-mid);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .reader-card{padding:44px;}
}
@media (max-width:1023px){
  .nav-wrap{min-height:66px;}
  .main-nav{gap:20px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .cta-band{padding:36px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:4px;
    background:var(--ink-800);border-bottom:1px solid var(--line);
    padding:14px 18px 20px;display:none;
    box-shadow:0 20px 40px rgba(0,0,0,.5);
  }
  .main-nav.is-open{display:flex;}
  .main-nav .nav-link,.main-nav .nav-cta{width:100%;min-height:46px;display:flex;align-items:center;padding:0 14px;border-radius:12px;}
  .main-nav .nav-link.is-active{background:rgba(18,201,160,.12);}
  .main-nav .nav-link.is-active::after{display:none;}
  .hero-band{min-height:240px;padding:92px 0 72px;}
  .reader-card{padding:22px;border-radius:18px;}
  .article-layout{margin-top:-40px;}
  .card-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager-item.is-next{justify-content:flex-start;text-align:left;flex-direction:row-reverse;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb .current{max-width:220px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .reader-card .article-title{font-size:24px;}
  .hero-band h1{font-size:27px;}
}

/* roulang page: category1 */
:root{
  --brand-700:#07826A;
  --brand-600:#0A9E7E;
  --brand-500:#12C9A0;
  --brand-400:#35E0B4;
  --coral:#FF7A59;
  --coral-soft:#FFA07A;
  --ink-900:#06171A;
  --ink-800:#0B2429;
  --ink-700:#123238;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(53,224,180,.45);
  --text-hi:#EAF5F2;
  --text-mid:#9FB8B5;
  --paper:#F5F8F7;
  --paper-ink:#1B2B2A;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --pill:999px;
  --shadow-card:0 14px 34px rgba(0,0,0,.45), inset 0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 20px 44px rgba(0,0,0,.55), 0 0 26px rgba(18,201,160,.28);
  --ease:220ms ease;
  --brand-grad:linear-gradient(135deg,#0A9E7E 0%,#35E0B4 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),transform var(--ease);}
button{font:inherit;color:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,23,26,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{background:rgba(11,36,41,.94);border-bottom-color:var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:11px;
  background:var(--brand-grad);
  box-shadow:0 6px 18px rgba(18,201,160,.35), inset 0 0 0 1px rgba(255,255,255,.25);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 7px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
  background:rgba(4,33,28,.55);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text-hi);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-mid);padding:8px 2px;min-height:44px;
  display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand-400);background:rgba(18,201,160,.08);border-radius:10px;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-400);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;
  padding:0 22px;border-radius:var(--pill);
  background:var(--brand-grad);color:#04211C;font-size:15px;font-weight:700;
  box-shadow:0 10px 24px rgba(18,201,160,.28), inset 0 0 0 1px rgba(255,255,255,.25);
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,201,160,.42);}
.nav-cta:active{transform:translateY(1px);filter:brightness(.95);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,.03);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-hi);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(6,23,26,.96) 0%,rgba(6,23,26,.72) 48%,rgba(6,23,26,.35) 100%),
    linear-gradient(180deg,rgba(6,23,26,.85) 0%,rgba(6,23,26,.15) 55%,rgba(6,23,26,.96) 100%);
}
.page-hero .container{position:relative;z-index:1;padding-top:56px;padding-bottom:52px;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-mid);margin-bottom:18px;}
.breadcrumb a{color:var(--text-mid);}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep-slash{color:rgba(255,255,255,.25);}
.breadcrumb .current{color:var(--brand-400);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);
  background:rgba(18,201,160,.14);border:1px solid rgba(53,224,180,.28);
  color:var(--brand-400);font-size:12.5px;font-weight:600;margin-bottom:16px;
}
.hero-title{
  font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.22;
  max-width:820px;letter-spacing:.01em;
}
.hero-sub{max-width:660px;margin-top:16px;font-size:16.5px;color:var(--text-mid);line-height:1.85;}
.hero-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;margin-top:18px;font-size:13.5px;color:var(--text-mid);}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--pill);
  background:rgba(18,201,160,.14);border:1px solid rgba(53,224,180,.22);
  color:var(--brand-400);font-size:12.5px;font-weight:600;line-height:1.4;white-space:nowrap;
}
.badge .num{font-weight:700;font-size:13.5px;}
.badge-plain{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-mid);}
.badge-coral{background:rgba(255,122,89,.16);border-color:rgba(255,122,89,.28);color:var(--coral-soft);}
.badge-coral .num{color:var(--coral);}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--text-mid);flex:none;}
.dot-live{background:var(--brand-400);animation:breathe 2.4s ease-in-out infinite;}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(53,224,180,.5);opacity:1;}
  50%{box-shadow:0 0 0 6px rgba(53,224,180,0);opacity:.55;}
}

/* ---------- generic section ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.section-title .accent{color:var(--brand-400);}
.section-sub{margin-top:10px;font-size:15px;color:var(--text-mid);max-width:660px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--brand-400);min-height:44px;}
.text-link i{font-size:12px;transition:transform var(--ease);}
.text-link:hover{color:var(--brand-500);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- workbench ---------- */
.workbench{margin:0;}
.side-panel{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 20px;box-shadow:var(--shadow-card);
}
.side-group + .side-group{margin-top:24px;padding-top:22px;border-top:1px solid var(--line);}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin-bottom:14px;}
.side-title i{color:var(--brand-400);font-size:13px;}
.pill-list{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--pill);font-size:13px;color:var(--text-mid);
  border:1px solid var(--line);background:rgba(255,255,255,.02);min-height:38px;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.pill:hover{color:var(--brand-400);border-color:var(--line-strong);background:rgba(18,201,160,.12);}
.pill.is-active{background:var(--brand-grad);color:#04211C;font-weight:700;border-color:transparent;}
.side-links li + li{border-top:1px dashed rgba(255,255,255,.06);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--text-mid);
}
.side-links a i{font-size:12px;opacity:.7;}
.side-links a:hover{color:var(--brand-400);transform:translateX(2px);}
.side-note{font-size:13px;color:var(--text-mid);line-height:1.75;}

.grid-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.toolbar-title{font-size:20px;font-weight:700;}
.toolbar-note{font-size:13.5px;color:var(--text-mid);}
.toolbar-note .num{color:var(--brand-400);font-weight:700;}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.entry-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.entry-card:focus-within{border-color:var(--line-strong);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.entry-card:hover .card-media img{transform:scale(1.05);}
.card-cat{
  position:absolute;left:12px;top:12px;padding:5px 11px;border-radius:8px;
  background:rgba(6,23,26,.8);border:1px solid var(--line);
  color:var(--brand-400);font-size:12px;letter-spacing:.02em;backdrop-filter:blur(4px);
}
.card-body{display:flex;flex-direction:column;gap:10px;padding:18px 18px 20px;flex:1;}
.card-title{font-size:17px;font-weight:600;line-height:1.55;}
.card-sum{font-size:14px;color:var(--text-mid);line-height:1.75;}
.card-body .badge{align-self:flex-start;}
.card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:12px;font-size:13px;color:var(--text-mid);border-top:1px solid rgba(255,255,255,.06);}
.sep{display:inline-block;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);flex:none;}

.guide-bar{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:18px 24px;border-radius:var(--radius-md);
  background:rgba(18,201,160,.10);border:1px solid rgba(53,224,180,.26);
  font-size:14.5px;color:var(--text-hi);
}
.guide-bar .gb-left{display:flex;align-items:center;gap:12px;}
.guide-bar i{color:var(--brand-400);}
.guide-bar a{color:var(--brand-400);font-weight:600;display:inline-flex;align-items:center;gap:8px;min-height:44px;}
.guide-bar a:hover{color:var(--brand-500);}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step-item{
  position:relative;background:rgba(255,255,255,.02);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:24px 20px;transition:border-color var(--ease),transform var(--ease);
}
.step-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.step-num{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#04211C;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;box-shadow:0 8px 20px rgba(18,201,160,.28);
}
.step-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--text-mid);line-height:1.78;}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:border-color var(--ease);
}
.faq-item.is-open{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text-hi);min-height:44px;
}
.faq-q:hover{color:var(--brand-400);}
.faq-plus{
  position:relative;width:26px;height:26px;flex:none;border-radius:50%;
  border:1px solid var(--line-strong);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-400);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform var(--ease),opacity var(--ease);
}
.faq-plus::before{width:11px;height:2px;}
.faq-plus::after{width:2px;height:11px;}
.faq-item.is-open .faq-plus::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-mid);line-height:1.85;}
.faq-item.is-open .faq-a{max-height:400px;}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  min-height:120px;padding:28px 36px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(10,158,126,.95) 0%,rgba(53,224,180,.9) 100%);
  color:#04211C;box-shadow:0 22px 46px rgba(10,158,126,.28);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:#04211C;}
.cta-band p{margin-top:8px;font-size:14.5px;color:rgba(4,33,28,.78);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform var(--ease),filter var(--ease),background-color var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:var(--brand-grad);color:#04211C;
  box-shadow:0 12px 26px rgba(18,201,160,.3), inset 0 0 0 1px rgba(255,255,255,.25);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 32px rgba(18,201,160,.42);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95);}
.btn-ghost{background:transparent;border-color:rgba(53,224,180,.5);color:var(--brand-400);}
.btn-ghost:hover{background:rgba(18,201,160,.14);border-color:var(--brand-400);color:var(--brand-500);}
.btn-coral{background:rgba(255,122,89,.16);border-color:rgba(255,122,89,.45);color:var(--coral-soft);}
.btn-coral:hover{background:rgba(255,122,89,.26);color:#FFD3C6;box-shadow:0 0 22px rgba(255,122,89,.28);}
.btn-ink{background:#04211C;color:var(--brand-400);}
.btn-ink:hover{filter:brightness(1.15);transform:translateY(-2px);}
.btn-outline-ink{background:transparent;border-color:rgba(4,33,28,.45);color:#04211C;}
.btn-outline-ink:hover{background:rgba(4,33,28,.12);}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--ink-900);
  background-image:radial-gradient(circle at 18% 22%,rgba(18,201,160,.07),transparent 42%),radial-gradient(circle at 82% 78%,rgba(18,201,160,.05),transparent 46%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,180,.8),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding:64px 0 34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-mid);line-height:1.85;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-hi);}
.footer-col ul li a{display:inline-flex;align-items:center;padding:7px 0;font-size:14px;color:var(--text-mid);}
.footer-col ul li a:hover{color:var(--brand-400);transform:translateX(2px);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-mid);font-size:14px;
}
.footer-social a:hover{color:var(--brand-400);border-color:var(--line-strong);transform:translateY(-2px);background:rgba(18,201,160,.1);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-mid);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .side-panel{position:static;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-wrap{padding-bottom:64px;}
  .cta-band{padding:26px 26px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;top:60px;right:18px;width:min(300px,84vw);
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-md);
    padding:16px;box-shadow:0 24px 48px rgba(0,0,0,.55);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform var(--ease),opacity var(--ease),visibility var(--ease);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .nav-link{padding:12px 10px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(18,201,160,.12);}
  .nav-cta{width:100%;margin-top:6px;}
  .nav-wrap{height:64px;}
}
@media (max-width:767px){
  .side-panel{position:static;padding:18px 16px;}
  .pill-list{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;}
  .pill-list::-webkit-scrollbar{height:5px;}
  .pill-list::-webkit-scrollbar-thumb{background:rgba(18,201,160,.5);border-radius:3px;}
  .pill{flex:none;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-top:52px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section--tight{padding:42px 0;}
  .hero-title{font-size:30px;}
  .page-hero .container{padding-top:38px;padding-bottom:40px;}
  .card-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px 20px;border-radius:var(--radius-md);}
  .cta-wrap{padding-bottom:48px;}
  .guide-bar{padding:16px 18px;}
  .toolbar-title{font-size:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --brand-600:#0A9E7E;
  --brand-500:#12C9A0;
  --brand-400:#35E0B4;
  --coral:#FF7A59;
  --coral-soft:#FFA07A;
  --ink-900:#06171A;
  --ink-800:#0B2429;
  --ink-700:#123238;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(53,224,180,.45);
  --text-hi:#EAF5F2;
  --text-mid:#9FB8B5;
  --paper:#F5F8F7;
  --ink-on-paper:#1B2B2A;
  --grad-brand:linear-gradient(135deg,#0A9E7E 0%,#35E0B4 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --shadow-card:0 14px 34px rgba(0,0,0,.45),inset 0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 20px 44px rgba(0,0,0,.5),0 0 26px rgba(18,201,160,.28);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(6,23,26,.74);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(11,36,41,.95);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:16px;font-weight:800;letter-spacing:.2px;color:var(--text-hi)}
.brand-mark{position:relative;width:32px;height:32px;border-radius:11px;background:var(--grad-brand);box-shadow:0 8px 20px rgba(18,201,160,.34);flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;left:9px;right:9px;top:11px;bottom:11px;border-radius:60% 60% 45% 45%/70% 70% 40% 40%;background:#04211C;opacity:.8}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--text-mid);padding:10px 2px;transition:color .2s ease;min-height:44px;display:inline-flex;align-items:center}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--brand-400)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-hi)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:var(--r-pill);background:var(--grad-brand);color:#04211C;font-size:15px;font-weight:700;box-shadow:0 10px 24px rgba(18,201,160,.26);transition:transform .22s ease,filter .22s ease,box-shadow .22s ease}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 30px rgba(18,201,160,.4)}
.nav-cta:active{transform:translateY(1px);filter:brightness(.95)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-hi);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 通栏海报 ============ */
.page-poster{
  position:relative;
  min-height:42vh;
  display:flex;
  align-items:center;
  padding:76px 0 64px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.page-poster::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,23,26,.94) 0%,rgba(6,23,26,.86) 45%,rgba(6,23,26,.97) 100%);
}
.page-poster::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:radial-gradient(circle at 50% 50%,#35E0B4 1px,transparent 1.6px);
  background-size:26px 26px;
}
.poster-inner{position:relative;z-index:2;width:100%;text-align:center;max-width:880px;margin:0 auto}
.crumb{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;font-size:13px;color:var(--text-mid);margin-bottom:20px}
.crumb a{color:var(--text-mid);transition:color .2s ease}
.crumb a:hover{color:var(--brand-400)}
.crumb i{font-size:10px;opacity:.6}
.crumb .current{color:var(--brand-400)}
.poster-title{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.25;letter-spacing:.5px;margin:16px 0 18px}
.poster-lede{max-width:700px;margin:0 auto;color:var(--text-mid);font-size:16px;line-height:1.9}
.poster-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 14px;margin-top:18px;font-size:13px;color:var(--text-mid)}
.poster-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--text-mid);opacity:.6}
.anchor-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px}
.anchor-pill{
  display:inline-flex;align-items:center;min-height:44px;padding:9px 20px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-mid);font-size:14px;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;
}
.anchor-pill:hover{color:var(--brand-400);border-color:var(--line-strong);background:rgba(18,201,160,.1);transform:translateY(-2px)}
.anchor-pill.is-active{background:var(--grad-brand);border-color:transparent;color:#04211C;font-weight:700}

/* ============ 通用元素 ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(18,201,160,.14);border:1px solid rgba(53,224,180,.24);
  color:var(--brand-400);font-size:12.5px;line-height:1.5;white-space:nowrap;
}
.badge .num{color:var(--text-hi)}
.badge-plain{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-mid)}
.badge-coral{background:rgba(255,122,89,.16);border-color:rgba(255,122,89,.3);color:var(--coral-soft)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--text-mid);display:inline-block;flex:0 0 auto}
.dot-live{background:var(--coral);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,89,.55)}
  70%{box-shadow:0 0 0 10px rgba(255,122,89,0)}
  100%{box-shadow:0 0 0 0 rgba(255,122,89,0)}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad-brand);color:#04211C;box-shadow:0 10px 26px rgba(18,201,160,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 32px rgba(18,201,160,.42)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95)}
.btn-ghost{background:transparent;border-color:rgba(53,224,180,.5);color:var(--brand-400)}
.btn-ghost:hover{background:rgba(18,201,160,.14);border-color:var(--brand-400);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-dark{background:#04211C;color:var(--text-hi);box-shadow:0 10px 22px rgba(4,33,28,.32)}
.btn-dark:hover{transform:translateY(-2px);filter:brightness(1.15)}
.btn-dark-outline{background:transparent;border-color:rgba(4,33,28,.45);color:#04211C}
.btn-dark-outline:hover{background:rgba(4,33,28,.12);transform:translateY(-2px)}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand-400);font-size:14.5px;font-weight:600;min-height:44px;transition:color .2s ease}
.text-link i{transition:transform .22s ease}
.text-link:hover{color:#7DF3D5}
.text-link:hover i{transform:translateX(4px)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.35}
.section-head p{color:var(--text-mid);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--brand-400);font-weight:700;margin-bottom:12px}

/* ============ 分节行 ============ */
.sec-wrap{padding:var(--sp-section) 0}
.sec-row{
  position:relative;
  display:flex;align-items:center;gap:56px;
  padding:56px 0;
  scroll-margin-top:100px;
}
.sec-row::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,180,.28),rgba(255,255,255,.05),transparent);
}
.sec-row:last-child::after{display:none}
.sec-row--rev{flex-direction:row-reverse}
.sec-media{flex:0 0 44%;min-width:0}
.sec-media figure{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-card)}
.sec-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.sec-media figure:hover img{transform:scale(1.04)}
.sec-media .media-tag{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:8px;background:rgba(6,23,26,.78);border:1px solid var(--line);color:var(--text-hi);font-size:12px}
.sec-body{flex:1 1 0;min-width:0}
.sec-index{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:2px;color:var(--brand-400);font-weight:700;margin-bottom:14px}
.sec-index::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad-brand)}
.sec-body h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.4;margin-bottom:18px}
.sec-body p{color:var(--text-mid);font-size:15.5px;line-height:1.9;margin-bottom:14px}
.point-list{margin:20px 0 24px}
.point-list li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--text-mid);font-size:15px;line-height:1.8}
.point-list li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--brand-400);box-shadow:0 0 10px rgba(53,224,180,.5)}
.sec-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}

/* ============ 相关入口 ============ */
.rel-wrap{padding:0 0 var(--sp-section)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-card h3{font-size:18px;font-weight:700;line-height:1.5}
.rel-card p{color:var(--text-mid);font-size:14.5px;line-height:1.8}
.rel-card .rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-wrap{padding:0 0 var(--sp-section)}
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 14px 34px rgba(0,0,0,.45),0 0 26px rgba(18,201,160,.16)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;color:var(--text-hi);
  transition:color .2s ease;min-height:44px;
}
.faq-q:hover{color:var(--brand-400)}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(53,224,180,.35);color:var(--brand-400);font-size:14px;
  transition:transform .24s ease,background .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:rgba(18,201,160,.16)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 24px 22px;color:var(--text-mid);font-size:15px;line-height:1.85}

/* ============ CTA 条 ============ */
.cta-wrap{padding:0 0 var(--sp-section)}
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--grad-brand);border-radius:var(--r-lg);
  padding:40px 44px;color:#04211C;
  box-shadow:0 22px 50px rgba(18,201,160,.22);
}
.cta-bar h2{font-size:clamp(21px,2.3vw,27px);font-weight:800;line-height:1.4;color:#04211C}
.cta-bar p{margin-top:10px;font-size:15px;color:rgba(4,33,28,.82);max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#04211C;font-size:16px;
  box-shadow:0 14px 28px rgba(18,201,160,.36);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{transform:translateY(-3px)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--ink-900);
  padding:64px 0 28px;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,180,.55),transparent);
}
.site-footer::after{
  content:"";position:absolute;inset:0;opacity:.04;pointer-events:none;
  background-image:radial-gradient(circle at 20% 30%,#35E0B4 1px,transparent 1.6px);
  background-size:32px 32px;
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-hi)}
.footer-col p{color:var(--text-mid);font-size:14px;line-height:1.85}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:800;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:var(--text-mid);font-size:14px;display:inline-flex;align-items:center;min-height:32px;transition:color .2s ease,transform .2s ease}
.footer-col ul a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-mid);background:rgba(255,255,255,.04);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--brand-400);border-color:var(--line-strong);background:rgba(18,201,160,.12);transform:translateY(-2px)}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--text-mid);font-size:13px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{padding:0 24px}
  .sec-row{gap:36px;padding:44px 0}
  .sec-media{flex:0 0 46%}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}
@media (max-width:900px){
  .nav-wrap{height:60px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;z-index:88;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 20px;
    background:var(--ink-800);border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.5);
    opacity:0;pointer-events:none;transform:translateY(-12px);
    transition:opacity .25s ease,transform .25s ease;
  }
  .main-nav.is-open{opacity:1;pointer-events:auto;transform:none}
  .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand-400)}
  .nav-cta{margin-top:12px;width:100%}
  .sec-row,.sec-row--rev{flex-direction:column;gap:26px;padding:38px 0}
  .sec-media{flex:1 1 auto;width:100%}
  .poster-title{font-size:clamp(24px,5.2vw,30px)}
  .anchor-bar{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
  .anchor-pill{flex:0 0 auto;scroll-snap-align:start}
  .cta-bar{padding:32px 26px}
}
@media (max-width:640px){
  :root{--sp-section:44px}
  .container{padding:0 18px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .page-poster{padding:52px 0 48px}
  .poster-lede{font-size:15px}
  .section-head{margin-bottom:28px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a p{padding:0 18px 20px}
  .cta-bar{border-radius:var(--r-md);padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}