/* roulang page: index */
:root{
  --bg:#0B0A12;
  --surface:#15141F;
  --surface-2:#1D1C2A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EDEDF2;
  --text-muted:#A2A3B5;
  --primary:#FF2E63;
  --primary-deep:#D2164A;
  --accent:#00E5D0;
  --highlight:#FFC531;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.5);
  --container:1200px;
  --gutter:24px;
  --section-pad:clamp(56px,7vw,104px);
  --font-mono:"SF Mono",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1}
.section{padding:var(--section-pad) 0;position:relative}
.section--tight{padding:clamp(44px,5vw,72px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,3.4vw,44px)}
.section-head__text{max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:12px;font-family:var(--font-mono);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-title{font-size:clamp(26px,3.2vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.28}
.section-desc{color:var(--text-muted);font-size:15px;margin-top:12px;max-width:560px}
.title-bar{display:flex;align-items:center;gap:14px}
.title-bar__tick{width:4px;height:30px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-deep));flex:none}
.title-num{
  font-family:var(--font-mono);font-size:13px;color:var(--accent);
  border:1px solid rgba(0,229,208,.4);border-radius:var(--radius-s);
  padding:4px 9px;letter-spacing:.08em;
}
.title-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  background:rgba(255,46,99,.14);color:#ff7a9c;
  padding:5px 12px;border-radius:var(--radius-s);
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%,0 8px);
  font-family:var(--font-mono);
}
.divider{height:1px;background:var(--line);position:relative;margin:0}
.divider::after{content:"";position:absolute;left:0;top:0;width:64px;height:3px;background:var(--primary);border-radius:2px;transform:translateY(-1px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:8px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(255,46,99,.22)}
.btn-primary:hover{background:#ff4a78;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,46,99,.34)}
.btn-primary:active{transform:translateY(1px);background:var(--primary-deep)}
.btn-ghost{border-color:var(--accent);color:var(--accent);background:transparent}
.btn-ghost:hover{background:rgba(0,229,208,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text);font-size:14px;font-weight:600;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:color .2s,border-color .2s,transform .2s;
}
.link-more::after{content:"→";transition:transform .2s}
.link-more:hover{color:var(--primary);border-bottom-color:var(--primary);transform:translateX(2px)}
.link-more:hover::after{transform:translateX(3px)}
.link-arrow{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;gap:6px;align-items:center;transition:transform .2s}
.link-arrow::after{content:"→"}
.link-arrow:hover{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 10px;border-radius:var(--radius-pill);
  background:rgba(255,46,99,.14);color:#ff7a9c;border:1px solid rgba(255,46,99,.24);
}
.badge--cyan{background:rgba(0,229,208,.12);color:var(--accent);border-color:rgba(0,229,208,.28)}
.badge--gold{background:rgba(255,197,49,.14);color:var(--highlight);border-color:rgba(255,197,49,.3)}
.tag{
  display:inline-block;font-size:13px;color:var(--text-muted);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:6px 14px;transition:.2s;
}
.tag:hover,.tag.is-active{border-color:var(--accent);color:var(--accent);background:rgba(0,229,208,.08)}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
.meta__dot{width:3px;height:3px;border-radius:50%;background:var(--text-muted);opacity:.7}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,10,18,.92);
  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(11,10,18,.86);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none;font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--text)}
.logo-mark{
  width:34px;height:34px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:15px;font-weight:900;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
  border-radius:8px;
  box-shadow:0 4px 14px rgba(255,46,99,.3);
}
.logo:hover .logo-mark{transform:translateY(-1px)}
.logo-mark{transition:transform .2s}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto;margin-right:auto}
.nav-link{position:relative;font-size:15px;color:var(--text-muted);padding:6px 0;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover,.nav-link.active{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  background:var(--surface);border:1px solid var(--line);
  align-items:center;justify-content:center;padding:0;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(11,10,18,.98);
  display:flex;flex-direction:column;
  padding:18px 20px 24px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .3s ease,visibility .3s;
}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer__top{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:20px}
.drawer__close{width:42px;height:42px;border-radius:10px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;font-size:20px;line-height:1;color:var(--text-muted)}
.drawer__links{display:flex;flex-direction:column;gap:6px}
.drawer__links a{
  padding:15px 16px;border-radius:var(--radius-m);
  background:var(--surface);border:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer__links a.active{color:var(--primary);border-color:rgba(255,46,99,.4)}
.drawer__links a span{color:var(--text-muted);font-size:13px;font-weight:400}
.drawer__bottom{margin-top:auto;padding-top:20px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(40px,5vw,76px) 0 clamp(52px,6.5vw,92px);overflow:hidden}
.hero::before{
  content:"";position:absolute;width:620px;height:620px;left:-220px;top:-260px;
  background:radial-gradient(circle,rgba(255,46,99,.18),transparent 65%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-180px;bottom:-240px;
  background:radial-gradient(circle,rgba(0,229,208,.11),transparent 66%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,4vw,58px);align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;
  color:var(--accent);border:1px solid rgba(0,229,208,.3);
  border-radius:var(--radius-pill);padding:6px 15px;margin-bottom:20px;
  background:rgba(0,229,208,.06);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;box-shadow:0 0 10px var(--accent)}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;letter-spacing:-.01em;line-height:1.2;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--primary);position:relative}
.hero-sub{font-size:clamp(16px,1.5vw,18px);color:var(--text-muted);max-width:520px;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stat__num{font-family:var(--font-mono);font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--text);line-height:1.2}
.hero-stat__num span{color:var(--primary);font-size:.6em;margin-left:2px}
.hero-stat__label{font-size:13px;color:var(--text-muted);margin-top:6px}
.hero-visual{position:relative}
.hero-visual__frame{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid rgba(0,229,208,.5);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),calc(100% - 30px) 100%,0 100%);
  box-shadow:var(--shadow-2);
  background:var(--surface-2);
}
.hero-visual__frame img{width:100%;height:100%;aspect-ratio:4/3.1;object-fit:cover;transition:transform .5s ease}
.hero-visual__frame:hover img{transform:scale(1.03)}
.hero-visual__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,18,.08),rgba(11,10,18,.68));pointer-events:none}
.hero-visual__chip{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(11,10,18,.86);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:12px 16px;
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text);
}
.hero-visual__chip b{color:var(--accent);font-family:var(--font-mono);font-size:15px}
.hero-visual__badge{
  position:absolute;right:16px;top:16px;z-index:2;
  background:rgba(255,197,49,.14);border:1px solid rgba(255,197,49,.34);
  color:var(--highlight);font-size:12px;font-weight:700;
  padding:6px 12px;border-radius:var(--radius-pill);
}

/* ---------- Pain points ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pain-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:28px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.pain-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.pain-card__num{font-family:var(--font-mono);font-size:13px;color:var(--accent);letter-spacing:.12em;margin-bottom:18px;display:block}
.pain-card__icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,46,99,.1);border:1px solid rgba(255,46,99,.22);
  color:var(--primary);margin-bottom:18px;
}
.pain-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.pain-card p{color:var(--text-muted);font-size:14.5px;line-height:1.7}

/* ---------- Solution ---------- */
.solution-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.solution-row + .solution-row{margin-top:clamp(48px,6vw,84px)}
.solution-row--reverse .solution-media{order:2}
.solution-media{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
  box-shadow:var(--shadow-1);
}
.solution-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.solution-media:hover img{transform:scale(1.03)}
.solution-body h3{font-size:clamp(21px,2.3vw,25px);font-weight:800;line-height:1.35;margin-bottom:14px}
.solution-body p{color:var(--text-muted);font-size:15.5px;margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list li svg{flex:none;margin-top:5px;color:var(--accent)}
.check-list li span{color:var(--text-muted)}

/* ---------- Results (light inverted) ---------- */
.results{
  background:#F3F4F8;color:#16151F;
  position:relative;
  clip-path:polygon(0 22px,22px 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
}
.results .eyebrow{color:#B0184C}
.results .eyebrow::before{background:#B0184C}
.results .section-title{color:#16151F}
.results .section-desc{color:#5B5C6E}
.results .title-bar__tick{background:linear-gradient(180deg,#FF2E63,#D2164A)}
.results .title-num{color:#B0184C;border-color:rgba(176,24,76,.35)}
.results-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.result-card{
  background:#fff;border:1px solid rgba(22,21,31,.08);border-radius:var(--radius-m);
  padding:24px;transition:transform .25s ease,box-shadow .25s ease;
}
.result-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(22,21,31,.12)}
.result-card__num{font-family:var(--font-mono);font-size:clamp(26px,3vw,34px);font-weight:800;color:#16151F;line-height:1.1}
.result-card__num i{font-style:normal;font-size:15px;color:#B0184C;margin-left:4px;font-weight:700}
.result-card__label{font-size:14px;color:#5B5C6E;margin-top:10px}
.result-bar{margin-top:38px;background:#fff;border:1px solid rgba(22,21,31,.08);border-radius:var(--radius-m);padding:24px}
.result-bar__head{display:flex;justify-content:space-between;font-size:14px;color:#5B5C6E;margin-bottom:14px;flex-wrap:wrap;gap:8px}
.result-bar__track{height:14px;border-radius:var(--radius-pill);background:#E7E8EF;overflow:hidden;position:relative}
.result-bar__fill{
  height:100%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,#D2164A,#FF2E63);
  width:38%;position:relative;
}
.result-bar__fill::after{
  content:"旧流程 5 步";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:11px;color:rgba(255,255,255,.9);white-space:nowrap;
}
.result-bar__now{
  margin-top:12px;height:14px;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,#00B9A8,#00E5D0);width:16%;position:relative;
}
.result-bar__now::after{
  content:"现在 2 步";position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);
  font-size:11px;color:#0E7A6E;white-space:nowrap;font-weight:700;
}
.result-bar__legend{display:flex;gap:18px;margin-top:12px;font-size:12px;color:#8A8B9B;flex-wrap:wrap}

/* ---------- News (CMS) ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:22px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.news-card__thumb{display:block;overflow:hidden;background:var(--surface-2);position:relative}
.news-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-card__thumb img{transform:scale(1.03)}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px}
.news-card__title{font-size:16px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.news-card:hover .news-card__title{color:#ff7a9c}
.news-card__excerpt{font-size:14px;color:var(--text-muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.news-card--lead{grid-row:span 2}
.news-card--lead .news-card__thumb img{aspect-ratio:16/10}
.news-card--lead .news-card__body{padding:26px}
.news-card--lead .news-card__title{font-size:clamp(19px,2vw,23px);-webkit-line-clamp:2}
.news-card--lead .news-card__excerpt{font-size:15px;-webkit-line-clamp:3}
.news-empty{
  border:1px dashed var(--line-strong);border-radius:var(--radius-l);
  padding:56px 24px;text-align:center;background:var(--surface);
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.news-empty svg{color:var(--accent)}
.news-empty p{color:var(--text-muted);font-size:15px}

/* ---------- Testimonials ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px;display:flex;flex-direction:column;gap:16px;
  transition:transform .25s ease,border-color .25s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stars{display:flex;gap:3px;color:var(--highlight)}
.quote-card blockquote{margin:0;font-size:15px;line-height:1.75;color:var(--text)}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.quote-avatar{
  width:48px;height:48px;border-radius:50%;flex:none;overflow:hidden;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;
}
.quote-avatar--cyan{background:linear-gradient(140deg,#00B9A8,#037f74)}
.quote-avatar--dark{background:linear-gradient(140deg,#3A3950,#1D1C2A)}
.quote-name{font-size:15px;font-weight:700}
.quote-role{font-size:13px;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,4vw,56px);align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--primary);transform:scaleY(0);transform-origin:center;transition:transform .25s ease;
  border-radius:0 2px 2px 0;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary i{
  flex:none;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);display:grid;place-items:center;
  font-style:normal;font-size:14px;color:var(--text-muted);transition:transform .25s ease,color .25s,border-color .25s;
}
.faq-item[open] summary i{transform:rotate(45deg);color:var(--primary);border-color:rgba(255,46,99,.5)}
.faq-item__body{padding:0 22px 20px;color:var(--text-muted);font-size:15px;line-height:1.75}

/* ---------- CTA banner ---------- */
.cta-band{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:clamp(30px,4vw,54px);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(255,46,99,.2),transparent 65%);pointer-events:none;
}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(23px,2.9vw,32px);font-weight:800;line-height:1.3}
.cta-band p{color:var(--text-muted);margin-top:10px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:#09080F;margin-top:clamp(40px,5vw,72px)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:clamp(40px,5vw,64px) 0 36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-desc{color:var(--text-muted);font-size:14px;line-height:1.75;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.sub-form{display:flex;gap:10px;margin-bottom:10px}
.sub-form input{
  flex:1;min-width:0;height:44px;border-radius:8px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);font-size:14px;
  transition:border-color .2s,box-shadow .2s;
}
.sub-form input::placeholder{color:#6E6F80}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,208,.12)}
.sub-form.is-error input{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,46,99,.12)}
.form-msg{font-size:13px;color:var(--text-muted);min-height:20px}
.form-msg.is-error{color:#ff7a9c}
.form-msg.is-success{color:var(--accent)}
.footer-contact{font-size:14px;color:var(--text-muted);line-height:1.9;margin-top:14px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7A7B8C;
}
.footer-bottom a{color:#7A7B8C}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  :root{--container:1200px}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-visual__frame img{aspect-ratio:16/10}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .pain-grid .pain-card:last-child{grid-column:span 2}
  .results-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr 1fr}
  .news-card--lead{grid-column:span 2;grid-row:auto}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .main-nav{margin-right:0}
  .nav-link{font-size:14px}
}
@media (max-width:860px){
  .main-nav{display:none}
  .burger{display:flex}
  .nav-wrap{gap:14px;height:60px}
  .logo{font-size:15px}
}
@media (max-width:768px){
  :root{--gutter:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .solution-row{grid-template-columns:1fr;gap:24px}
  .solution-row--reverse .solution-media{order:0}
  .pain-grid{grid-template-columns:1fr}
  .pain-grid .pain-card:last-child{grid-column:auto}
  .news-layout{grid-template-columns:1fr}
  .news-card--lead{grid-column:auto}
  .quote-grid{grid-template-columns:1fr}
  .results-grid{grid-template-columns:1fr 1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:560px){
  .hero{padding-top:28px}
  .hero-cta .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
  .results-grid{grid-template-columns:1fr}
  .logo-text{font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .btn{padding:0 18px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .result-card{padding:20px}
}
@media (max-width:380px){
  .logo-text{max-width:120px}
}

/* roulang page: article */
:root{
  --bg:#0B0A12;
  --surface:#15141F;
  --surface-2:#1D1C2A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EDEDF2;
  --text-muted:#A2A3B5;
  --primary:#FF2E63;
  --primary-deep:#D2164A;
  --accent:#00E5D0;
  --highlight:#FFC531;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.5);
  --container:1200px;
  --gutter:24px;
  --section-y:clamp(56px,7vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(720px 420px at 12% -6%,rgba(255,46,99,.16),transparent 62%),
    radial-gradient(620px 380px at 92% 8%,rgba(0,229,208,.10),transparent 60%),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;font-variant-numeric:tabular-nums}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:8px;padding:0 24px;height:46px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(255,46,99,.28)}
.btn-primary:hover{background:#ff4b79;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,46,99,.4)}
.btn-primary:active{transform:translateY(1px);background:var(--primary-deep);box-shadow:none}
.btn-outline{background:transparent;color:var(--accent);border-color:rgba(0,229,208,.55)}
.btn-outline:hover{background:rgba(0,229,208,.12);transform:translateY(-2px);border-color:var(--accent)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn:disabled,.btn[disabled]{opacity:.4;pointer-events:none}
.btn-ghost{color:var(--text-muted);border-color:var(--line)}
.btn-ghost:hover{color:var(--text);border-color:var(--line-strong)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14px;font-weight:700;
  transition:transform .2s ease,color .2s ease;
}
.text-link::after{content:"";display:block;height:2px;width:0;background:var(--primary);transition:width .22s ease}
.text-link:hover{transform:translateX(2px);color:#fff}
.text-link:hover::after{width:100%}
.text-link.primary{color:var(--primary)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,10,18,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:16px;font-weight:800;border-radius:9px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.logo-text{font-size:17px;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;color:var(--text-muted);padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:12px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;position:relative}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:12px;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease;
}
.burger span{top:21px}
.burger span::before,.burger span::after{content:"";left:0}
.burger span::before{top:-6px}
.burger span::after{top:6px}
body.nav-open .burger span{transform:rotate(45deg)}
body.nav-open .burger span::before{transform:rotate(-90deg) translateX(-6px);opacity:0}
body.nav-open .burger span::after{transform:rotate(-90deg) translateX(6px)}
body.nav-open .burger span{background:var(--primary)}

/* ===== 面包屑 ===== */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(21,20,31,.5)}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 0;font-size:13px;color:var(--text-muted)}
.crumb a{color:var(--text-muted);transition:color .2s ease}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头部 ===== */
.article-head{
  position:relative;overflow:hidden;
  padding:clamp(34px,5vw,64px) 0 clamp(28px,4vw,48px);
  background-image:linear-gradient(90deg,rgba(11,10,18,.94) 0%,rgba(11,10,18,.88) 55%,rgba(11,10,18,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:100% 44px;
}
.article-head .container{position:relative;z-index:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,46,99,.14);color:#ff7a9e;border:1px solid rgba(255,46,99,.34);
}
.badge.accent{background:rgba(0,229,208,.12);color:var(--accent);border-color:rgba(0,229,208,.32)}
.badge.hot{background:rgba(255,197,49,.14);color:var(--highlight);border-color:rgba(255,197,49,.34)}
.article-title{
  font-size:clamp(26px,3.6vw,44px);
  font-weight:800;letter-spacing:-.01em;line-height:1.28;
  margin:18px 0 16px;max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;opacity:.8}

/* ===== 布局 ===== */
.article-main{padding:clamp(36px,5vw,64px) 0 var(--section-y)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:#DEDEE8}
.article-body > * + *{margin-top:18px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.4;
  padding-left:18px;margin-top:44px;margin-bottom:6px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:20px;font-weight:700;margin-top:32px;color:var(--text)}
.article-body p{margin-top:18px}
.article-body ul,.article-body ol{margin-top:18px;padding-left:4px}
.article-body li{position:relative;padding-left:22px;margin-top:10px}
.article-body li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;background:var(--accent);transform:rotate(45deg)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li;padding-left:30px}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  width:auto;height:auto;transform:none;background:none;color:var(--primary);
  font-weight:800;font-size:13px;top:3px;left:0;letter-spacing:.02em;
}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;
  border-left:3px solid var(--accent);
  background:rgba(0,229,208,.055);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  color:#CFD0DC;
}
.article-body img{border-radius:var(--radius-m);margin:24px auto}
.article-body figcaption,.article-body .caption{
  text-align:center;font-size:13px;color:var(--text-muted);margin-top:-14px;
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line)}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line)}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(0,229,208,.4)}
.article-body a:hover{color:#fff;border-bottom-color:var(--primary)}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-l);
  padding:52px 24px;text-align:center;background:var(--surface);
}
.empty-state svg{margin:0 auto 14px}
.empty-state p{color:var(--text-muted);margin-bottom:20px}

/* ===== 侧栏 ===== */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-card{
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px;box-shadow:var(--shadow-1);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
}
.side-title{
  display:flex;align-items:center;gap:9px;
  font-size:14px;font-weight:800;letter-spacing:.02em;margin-bottom:14px;
}
.side-title::before{content:"";width:14px;height:3px;background:var(--primary);border-radius:2px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-link{
  display:block;font-size:14px;color:var(--text-muted);padding:7px 10px;
  border-left:2px solid transparent;border-radius:0 6px 6px 0;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.04);border-left-color:var(--primary)}
.toc-empty{font-size:13px;color:var(--text-muted)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:var(--radius-pill);
  font-size:13px;color:var(--text-muted);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{color:var(--accent);border-color:rgba(0,229,208,.45);transform:translateY(-2px)}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-item{display:flex;gap:12px;align-items:flex-start;transition:transform .2s ease}
.hot-item:hover{transform:translateX(2px)}
.hot-num{
  flex:0 0 auto;width:24px;height:24px;border-radius:6px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:var(--accent);
  border:1px solid rgba(0,229,208,.4);background:rgba(0,229,208,.07);
}
.hot-num.top{color:var(--highlight);border-color:rgba(255,197,49,.45);background:rgba(255,197,49,.1)}
.hot-item p{font-size:14px;line-height:1.6;color:#D6D6E2}
.hot-item:hover p{color:#fff}

/* ===== 文末 ===== */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);max-width:760px}
.tags-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tags-row .label{font-size:13px;color:var(--text-muted);margin-right:4px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pager-card{
  border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px;
  background:var(--surface);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.pager-card small{display:block;font-size:12px;color:var(--text-muted);letter-spacing:.06em;margin-bottom:8px}
.pager-card strong{display:block;font-size:15px;font-weight:700;line-height:1.6}
.pager-card.next{text-align:right}

.related-block{margin-top:56px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.01em}
.sec-head .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);margin-bottom:8px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:16px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-muted)}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#191725,#101019 60%);
  border:1px solid rgba(255,46,99,.28);
  border-radius:var(--radius-l);
  padding:clamp(30px,4vw,52px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%);
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,208,.16),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;letter-spacing:-.01em;margin-bottom:8px}
.cta-band p{color:var(--text-muted);font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ===== 页脚 ===== */
.site-footer{margin-top:var(--section-y);border-top:1px solid var(--line);background:rgba(21,20,31,.72)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:clamp(40px,5vw,64px) 0}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.8;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.sub-form{display:flex;gap:10px;align-items:stretch}
.sub-form input{
  flex:1;min-width:0;height:40px;padding:0 14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;
  color:var(--text);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#7C7D90}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,208,.14)}
.sub-form input.error{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,46,99,.14)}
.sub-form input.success{border-color:var(--accent)}
.form-msg{font-size:13px;color:var(--text-muted);margin-top:10px}
.form-msg.error{color:#ff7a9e}
.form-msg.success{color:var(--accent)}
.footer-contact{font-size:13px;color:var(--text-muted);margin-top:12px;line-height:1.8}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-muted);
}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 20px}
}
@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .main-nav{
    position:fixed;inset:68px 0 0 0;z-index:55;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(11,10,18,.98);padding:18px 20px 120px;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    overflow-y:auto;
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{font-size:17px;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--primary)}
  .burger{display:block}
  .nav-actions .btn{display:none}
  body.nav-open .nav-actions{position:fixed;left:20px;right:20px;bottom:22px;z-index:56}
  body.nav-open .nav-actions .btn{display:inline-flex;width:100%;height:48px}
  .nav-actions{margin-left:auto}
  .article-title{max-width:none}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .related-grid{grid-template-columns:1fr}
  .sidebar{flex-direction:column}
  .article-body{font-size:16.5px}
  .cta-band{padding:28px 22px}
}
@media (max-width:560px){
  .crumb{padding:12px 0}
  .crumb .current{max-width:100%}
  .logo-text{font-size:15px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{width:auto}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:360px){
  .container{padding:0 14px}
  .btn{padding:0 16px;font-size:14px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0A12;
  --surface:#15141F;
  --surface-2:#1D1C2A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EDEDF2;
  --text-muted:#A2A3B5;
  --primary:#FF2E63;
  --primary-deep:#D2164A;
  --accent:#00E5D0;
  --highlight:#FFC531;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.5);
  --container:1200px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono: "SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(11,10,18,.96);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.45);
  background:rgba(11,10,18,.99);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.01em;
  flex-shrink:0;
}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  font-size:17px;
  font-weight:800;
  box-shadow:0 0 0 1px rgba(255,46,99,.35),0 6px 16px rgba(255,46,99,.28);
  clip-path:polygon(0 0,100% 0,100% 76%,76% 100%,0 100%);
}
.logo-text{
  font-size:17px;
  color:var(--text);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  color:var(--text-muted);
  border-radius:var(--radius-s);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 22px;
  height:44px;
  border:1px solid transparent;
  border-radius:8px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,46,99,.28);
}
.btn-primary:hover{
  background:#ff4573;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(255,46,99,.4);
}
.btn-primary:active{transform:translateY(0);background:var(--primary-deep);}
.btn-ghost{
  background:transparent;
  color:var(--accent);
  border-color:rgba(0,229,208,.55);
}
.btn-ghost:hover{background:rgba(0,229,208,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn:disabled{opacity:.4;pointer-events:none;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  border-bottom:2px solid transparent;
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.link-more:hover{
  color:var(--primary);
  border-bottom-color:var(--primary);
  transform:translateX(2px);
}

.burger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  position:relative;
}
.burger span,
.burger span::before,
.burger span::after{
  content:"";
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.burger span{top:20px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{transform:translateX(-50%) translateY(6px) rotate(45deg);}
.burger.is-open span::after{transform:translateX(-50%) translateY(-6px) rotate(-45deg);}

/* ============ 内页 Hero ============ */
.inner-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.inner-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,10,18,.94) 0%,rgba(11,10,18,.78) 52%,rgba(11,10,18,.62) 100%);
}
.inner-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.inner-hero .container{position:relative;z-index:2;padding-top:46px;padding-bottom:46px;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,.25);}
.breadcrumb .current{color:var(--text);}
.inner-title{
  font-size:clamp(28px,3.8vw,44px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.22;
  margin-bottom:14px;
}
.inner-title .accent{color:var(--accent);}
.inner-lead{
  max-width:640px;
  font-size:16px;
  color:var(--text-muted);
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  font-size:13px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-muted);
}
.tag.is-accent{border-color:rgba(0,229,208,.4);color:var(--accent);}

/* ============ 通用板块 ============ */
.section{padding:clamp(56px,7vw,96px) 0;}
.section-alt{background:var(--surface);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:38px;
}
.section-title{
  position:relative;
  font-size:clamp(24px,2.9vw,32px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.3;
  padding-left:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
}
.section-title.is-numbered::before{
  background:var(--accent);
}
.section-title.is-slant::before{
  width:12px;
  background:linear-gradient(180deg,var(--accent),var(--primary));
  clip-path:polygon(0 0,100% 0,100% 100%,0 100%,40% 50%);
}
.section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--text-muted);
  max-width:680px;
  padding-left:18px;
}

/* ============ 图文列表流 ============ */
.flow-list{display:flex;flex-direction:column;gap:24px;}
.flow-row{
  display:grid;
  grid-template-columns:40% 1fr;
  gap:28px;
  align-items:center;
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.flow-row:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1);
}
.flow-media{
  position:relative;
  border-radius:var(--radius-m);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--surface-2);
  border:1px solid var(--line);
}
.flow-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.flow-row:hover .flow-media img{transform:scale(1.03);}
.flow-body{display:flex;flex-direction:column;gap:12px;min-width:0;}
.flow-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-muted);
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  font-size:12px;
  font-weight:700;
  border-radius:var(--radius-pill);
  background:rgba(255,46,99,.14);
  color:#ff7ea0;
  border:1px solid rgba(255,46,99,.28);
  white-space:nowrap;
}
.badge.is-accent{
  background:rgba(0,229,208,.12);
  color:var(--accent);
  border-color:rgba(0,229,208,.3);
}
.badge.is-warm{
  background:rgba(255,197,49,.12);
  color:var(--highlight);
  border-color:rgba(255,197,49,.3);
}
.flow-title{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
}
.flow-desc{
  font-size:15px;
  color:var(--text-muted);
  line-height:1.7;
}
.flow-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:2px;
}
.flow-time{font-size:13px;color:var(--text-muted);font-family:var(--mono);letter-spacing:.02em;}

/* ============ 双段图文 ============ */
.split{display:grid;gap:48px;align-items:center;}
.split-row{grid-template-columns:1fr 1fr;}
.split-row.reverse .split-media{order:2;}
.split-row.reverse .split-text{order:1;}
.split-media{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid rgba(0,229,208,.35);
  aspect-ratio:16/11;
  background:var(--surface-2);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-text h3{
  font-size:22px;
  font-weight:700;
  margin-bottom:14px;
}
.split-text p{
  font-size:15px;
  color:var(--text-muted);
  margin-bottom:18px;
}
.check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--text);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;top:9px;
  width:9px;height:9px;
  background:var(--accent);
  clip-path:polygon(0 0,100% 50%,0 100%);
}

/* ============ 推荐卡 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1);
}
.card-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--surface-2);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:18px;font-weight:700;line-height:1.45;}
.card-desc{font-size:14px;color:var(--text-muted);line-height:1.7;flex:1;}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-muted);
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:rgba(255,46,99,.4);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  flex-shrink:0;
  width:9px;height:9px;
  border-right:2px solid var(--text-muted);
  border-bottom:2px solid var(--text-muted);
  transform:rotate(45deg);
  transition:transform .22s ease,border-color .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--primary);}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--primary);}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-muted);
  line-height:1.8;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:clamp(38px,5vw,60px) clamp(24px,4vw,54px);
  background:linear-gradient(135deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,46,99,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-title{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.cta-sub{font-size:15px;color:var(--text-muted);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:#08070E;
  border-top:1px solid var(--line);
  padding:clamp(46px,6vw,72px) 0 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  margin-bottom:14px;
}
.footer-desc{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.8;
  max-width:300px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--text);
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-muted);}
.footer-links a:hover{color:var(--accent);}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;
  min-width:0;
  height:42px;
  padding:0 14px;
  font-size:14px;
  color:var(--text);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:8px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#6B6C7E;}
.sub-form input:focus{
  outline:none;
  border-color:rgba(0,229,208,.6);
  box-shadow:0 0 0 3px rgba(0,229,208,.12);
}
.sub-form input.is-error{border-color:var(--primary);}
.sub-form input.is-ok{border-color:var(--accent);}
.form-msg{
  margin-top:10px;
  font-size:13px;
  color:var(--text-muted);
  min-height:20px;
}
.form-msg.is-error{color:var(--primary);}
.form-msg.is-ok{color:var(--accent);}
.footer-contact{
  margin-top:12px;
  font-size:13px;
  color:var(--text-muted);
  line-height:1.8;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:#6B6C7E;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1120px;}
  .nav-link{padding:9px 11px;font-size:14px;}
}
@media (max-width:1024px){
  .nav-wrap{gap:16px;}
  .logo-text{font-size:16px;}
  .nav-link{padding:9px 9px;font-size:14px;}
  .split-row{grid-template-columns:1fr;gap:28px;}
  .split-row.reverse .split-media{order:1;}
  .split-row.reverse .split-text{order:2;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-wrap{height:56px;}
  .burger{display:block;}
  .main-nav{
    position:fixed;
    inset:56px 0 0 0;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:4px;
    padding:18px 16px 108px;
    background:rgba(9,8,15,.99);
    border-top:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
    z-index:88;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    padding:15px 12px;
    font-size:16px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--primary);}
  .nav-actions .btn-sm{height:38px;padding:0 15px;font-size:13px;}
  .inner-hero{min-height:240px;}
  .inner-hero .container{padding-top:32px;padding-bottom:32px;}
  .flow-row{grid-template-columns:1fr;gap:18px;padding:16px;}
  .flow-title{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .logo-text{font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .inner-title{font-size:26px;}
  .btn{height:42px;padding:0 18px;font-size:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .flow-desc{font-size:14px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0A12;
  --surface:#15141F;
  --surface-2:#1D1C2A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EDEDF2;
  --text-muted:#A2A3B5;
  --text-dim:#7E8098;
  --primary:#FF2E63;
  --primary-deep:#D2164A;
  --primary-soft:#ff4573;
  --accent:#00E5D0;
  --highlight:#FFC531;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.5);
  --container:1200px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(620px 420px at 10% 6%, rgba(255,46,99,.10), transparent 62%),
    radial-gradient(560px 400px at 90% 18%, rgba(0,229,208,.07), transparent 62%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:68px 68px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
main,header,footer{position:relative;z-index:1}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,10,18,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(11,10,18,.97);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;white-space:nowrap;letter-spacing:-.01em}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:16px;font-weight:800;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 6px 16px rgba(255,46,99,.35);
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text-muted);padding:6px 2px;transition:color .2s ease;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.burger{
  display:none;width:40px;height:40px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface-2);cursor:pointer;
  place-items:center;padding:0;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);position:relative;transition:background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:transform .25s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:1px solid transparent;border-radius:8px;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,46,99,.28)}
.btn-primary:hover{background:var(--primary-soft);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,46,99,.45)}
.btn-primary:active{transform:translateY(-1px);background:var(--primary-deep);box-shadow:0 6px 16px rgba(255,46,99,.3)}
.btn-ghost{border-color:rgba(0,229,208,.6);color:var(--accent);background:transparent}
.btn-ghost:hover{background:rgba(0,229,208,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px);background:rgba(0,229,208,.18)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:disabled{opacity:.4;pointer-events:none}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* ---------- 内页首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--surface);padding:60px 0 72px;min-height:280px;display:flex;align-items:center}
.page-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;transform:scale(1.02)}
.page-hero::after{content:"";position:absolute;inset:0;background:rgba(11,10,18,.64)}
.hero-inner{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.45}
.crumbs .current{color:var(--text)}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.01em}
.page-lead{margin-top:14px;max-width:640px;color:var(--text-muted);font-size:17px;line-height:1.7}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero-wave{position:absolute;left:0;right:0;bottom:0;width:100%;height:70px;z-index:3;opacity:.75;pointer-events:none}

/* ---------- 区段 ---------- */
.section{padding:clamp(56px,7vw,104px) 0;position:relative;z-index:1}
.section-alt{background:var(--surface);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;margin-bottom:34px;flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:14px;font-size:clamp(24px,3vw,32px);font-weight:800}
.sec-title .bar{width:4px;height:26px;background:var(--primary);border-radius:2px;flex:0 0 4px}
.sec-title .num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--accent);
  border:1px solid rgba(0,229,208,.4);border-radius:6px;padding:2px 9px;letter-spacing:.06em;
}
.sec-title .tag{
  font-size:13px;font-weight:700;color:#fff;background:var(--primary);
  padding:5px 14px;clip-path:polygon(0 0,100% 0,calc(100% - 11px) 100%,0 100%);
}
.sec-desc{color:var(--text-muted);font-size:15px;margin-top:10px;max-width:640px}
.link-more{
  display:inline-block;color:var(--accent);font-weight:600;font-size:14px;position:relative;
  transition:transform .2s ease,color .2s ease;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.link-more:hover{transform:translateX(2px);color:#5cf6e7}
.link-more:hover::after{transform:scaleX(1)}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:5px 11px;border-radius:var(--radius-pill);line-height:1.4;
}
.badge-hot{background:var(--highlight);color:#241c00}
.badge-cyan{background:rgba(0,229,208,.14);color:var(--accent);border:1px solid rgba(0,229,208,.35)}
.badge-pink{background:rgba(255,46,99,.14);color:#ff7b9c;border:1px solid rgba(255,46,99,.35)}

.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.chip{
  font-size:14px;color:var(--text-muted);background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:8px 17px;transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.chip:hover{border-color:var(--line-strong);color:var(--text)}
.chip.is-active{color:#fff;background:rgba(255,46,99,.16);border-color:rgba(255,46,99,.55)}

/* ---------- 卡片网格 ---------- */
.rank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rank-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.rank-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.thumb{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rank-card:hover .thumb img{transform:scale(1.03)}
.thumb .badge{position:absolute;top:12px;left:12px;z-index:2}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:19px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{
  font-size:14.5px;color:var(--text-muted);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-dim);
}
.card-foot .date{font-family:var(--mono);letter-spacing:.02em}
.thumb.img-fallback,.split-media.img-fallback{background:var(--surface-2);position:relative}
.thumb.img-fallback::after,.split-media.img-fallback::after{
  content:"热门游戏榜单";position:absolute;inset:0;display:grid;place-items:center;
  color:var(--text-muted);font-size:14px;letter-spacing:.04em;
}

/* ---------- 数据速览 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  position:relative;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:26px 22px;overflow:hidden;
  transition:border-color .25s ease,transform .25s ease;
}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--primary),rgba(255,46,99,0))}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.stat-num{font-family:var(--mono);font-size:34px;font-weight:800;line-height:1.1;color:var(--text)}
.stat-num em{font-style:normal;font-size:15px;color:var(--accent);margin-left:6px;font-weight:600}
.stat-label{margin-top:9px;font-size:14px;color:var(--text-muted);line-height:1.65}

/* ---------- 图文段落 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.split + .split{margin-top:clamp(48px,6vw,88px)}
.split.reverse .split-media{order:2}
.split-media{
  position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid rgba(0,229,208,.25);background:var(--surface-2);
  box-shadow:var(--shadow-1);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h3{font-size:22px;font-weight:700;margin-bottom:12px}
.split-body > p{color:var(--text-muted);font-size:15.5px;line-height:1.8}
.pt-list{display:grid;gap:12px;margin:18px 0 22px}
.pt-list li{display:flex;gap:11px;font-size:15.5px;color:var(--text-muted);line-height:1.7}
.pt-list li::before{content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--accent)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  position:relative;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(255,46,99,.5);box-shadow:0 0 0 1px rgba(255,46,99,.16)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px 20px 28px;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  opacity:0;transition:opacity .25s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:var(--mono);font-size:19px;color:var(--accent);
  transition:transform .25s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px 28px;color:var(--text-muted);font-size:15.5px;line-height:1.85}

/* ---------- 跳转条目 ---------- */
.link-row{display:grid;gap:12px}
.link-item{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);
  transition:transform .25s ease,border-color .25s ease,background-color .25s ease;
}
.link-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:var(--surface-2)}
.link-item strong{display:block;font-size:16.5px;font-weight:700;margin-bottom:4px}
.link-item small{color:var(--text-muted);font-size:14px;line-height:1.6}
.link-arrow{flex:0 0 auto;color:var(--accent);font-family:var(--mono);font-size:20px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(34px,5vw,58px) clamp(24px,4vw,56px);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:70%;
  background:radial-gradient(closest-side,rgba(255,46,99,.22),transparent);pointer-events:none;
}
.cta-band h2{position:relative;font-size:clamp(24px,3.4vw,34px);font-weight:800;margin-bottom:12px}
.cta-band p{position:relative;color:var(--text-muted);margin-bottom:26px;font-size:15.5px}
.cta-actions{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#08070E;border-top:1px solid var(--line);margin-top:clamp(56px,7vw,96px);padding-top:clamp(48px,6vw,72px)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-desc{color:var(--text-muted);font-size:14.5px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--text-muted);font-size:14.5px;transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.sub-form{display:flex;gap:8px;margin-bottom:10px}
.sub-form input{
  flex:1;min-width:0;height:40px;padding:0 14px;font-size:14px;
  background:var(--surface);color:var(--text);
  border:1px solid var(--line);border-radius:8px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--text-dim)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,208,.15)}
.sub-form.is-error input{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,46,99,.15)}
.sub-form.is-ok input{border-color:var(--accent)}
.form-msg{font-size:13px;color:var(--text-dim);line-height:1.6}
.form-msg.is-error{color:#ff7b9c}
.form-msg.is-ok{color:var(--accent)}
.footer-contact{margin-top:12px;font-size:13px;color:var(--text-dim);line-height:1.7}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .rank-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split-media{aspect-ratio:16/9}
}
@media (max-width:900px){
  .split + .split{margin-top:48px}
}
@media (max-width:768px){
  .nav-wrap{height:56px;gap:12px}
  .logo{font-size:14px;gap:8px}
  .logo-mark{width:28px;height:28px;flex-basis:28px;font-size:14px}
  .main-nav{
    position:fixed;inset:0;z-index:110;margin:0;
    flex-direction:column;justify-content:center;gap:0;
    padding:88px 24px 140px;overflow-y:auto;
    background:rgba(11,10,18,.98);
    transform:translateX(100%);opacity:0;visibility:hidden;
    transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible}
  .nav-link{
    width:100%;text-align:center;font-size:19px;font-weight:700;color:var(--text);
    padding:16px 0;border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none}
  .burger{display:grid}
  body.nav-open .nav-actions .btn{
    position:fixed;left:20px;right:20px;bottom:24px;z-index:130;height:50px;font-size:16px;
  }
  .page-hero{padding:44px 0 56px;min-height:0}
  .rank-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:26px}
  .card-body{padding:20px}
  .faq-item summary{padding:18px 18px 18px 22px;font-size:16px}
  .faq-body{padding:0 18px 20px 22px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .stat-grid{grid-template-columns:1fr}
  .btn{height:42px;padding:0 18px;font-size:14px}
  .cta-actions .btn{width:100%}
  .page-lead{font-size:16px}
  .link-item{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category3 */
:root{
  --bg:#0B0A12;
  --surface:#15141F;
  --surface-2:#1D1C2A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EDEDF2;
  --text-muted:#A2A3B5;
  --primary:#FF2E63;
  --primary-deep:#D2164A;
  --accent:#00E5D0;
  --highlight:#FFC531;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.5);
  --container:1200px;
  --gutter:24px;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono: "SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255,46,99,.16), transparent 46%),
    radial-gradient(circle at 88% 72%, rgba(0,229,208,.10), transparent 52%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:8px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(255,46,99,.26);}
.btn-primary:hover{background:#ff4573;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,46,99,.38);}
.btn-primary:active{transform:translateY(0);background:var(--primary-deep);}
.btn-ghost{background:transparent;border:1px solid var(--accent);color:var(--accent);}
.btn-ghost:hover{background:rgba(0,229,208,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);
  transition:transform .16s ease,color .16s ease;
}
.text-link::after{content:"→";font-size:14px;}
.text-link:hover{color:#4ff5e5;transform:translateX(2px);box-shadow:inset 0 -2px 0 var(--primary);}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,46,99,.14);color:#ff7fa0;border:1px solid rgba(255,46,99,.28);
}
.badge-accent{background:rgba(0,229,208,.12);color:#5cf3e4;border-color:rgba(0,229,208,.3);}
.badge-hot{background:rgba(255,197,49,.14);color:var(--highlight);border-color:rgba(255,197,49,.34);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--text-muted);font-size:13px;font-weight:600;
}
.tag.is-on{border-color:rgba(255,46,99,.45);color:#ff8fab;background:rgba(255,46,99,.1);}
.meta{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.meta span{display:inline-flex;align-items:center;gap:6px;}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,10,18,.92);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(10px);
  transition:background-color .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:rgba(11,10,18,.98);border-bottom-color:var(--line);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#8a1236);
  color:#fff;font-weight:800;font-size:17px;
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,0 100%);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-muted);
  padding:6px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  position:relative;background:var(--surface);
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;
  transform:translateX(-50%);transition:transform .2s ease,opacity .2s ease;
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{content:"";left:0;transform:none;top:-6px;}
.burger span::after{content:"";left:0;transform:none;top:6px;}
.drawer-open .burger span{background:transparent;}
.drawer-open .burger span::before{transform:translateY(6px) rotate(45deg);}
.drawer-open .burger span::after{transform:translateY(-6px) rotate(-45deg);}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:56px 0 0 0;z-index:55;
  background:rgba(11,10,18,.99);
  padding:26px 20px 120px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  overflow-y:auto;
}
.drawer-open .nav-drawer{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-link{
  padding:16px 4px;font-size:17px;font-weight:700;border-bottom:1px solid var(--line);color:var(--text);
}
.drawer-link.active{color:var(--primary);}
.drawer-foot{
  position:fixed;left:0;right:0;bottom:0;padding:16px 20px 24px;
  background:linear-gradient(180deg,rgba(11,10,18,0),rgba(11,10,18,.98) 40%);
}
.drawer-foot .btn{width:100%;}

/* 内页 Hero */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(11,10,18,.62),rgba(11,10,18,.92)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero .container{padding-top:38px;padding-bottom:44px;max-width:var(--container);}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted);flex-wrap:wrap;}
.crumb a{color:var(--text-muted);transition:color .16s ease;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:rgba(255,255,255,.28);}
.crumb .now{color:var(--text);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;margin:18px 0 12px;letter-spacing:-.01em;
}
.page-hero .lead{font-size:17px;color:var(--text-muted);max-width:640px;}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}

/* 板块 */
.section{padding:clamp(56px,7vw,96px) 0;position:relative;}
.section + .section{border-top:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:3px;height:14px;background:var(--primary);display:block;}
.sec-title{font-size:clamp(24px,2.6vw,32px);font-weight:800;}
.sec-desc{font-size:15px;color:var(--text-muted);max-width:420px;}
.sec-title-slab{
  display:inline-flex;align-items:center;padding:6px 16px;border:1px solid var(--line);
  border-radius:var(--radius-s);background:var(--surface);
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  font-size:clamp(20px,2.2vw,26px);font-weight:800;
}

/* 时间线 */
.timeline{position:relative;display:flex;flex-direction:column;gap:26px;}
.timeline::before{
  content:"";position:absolute;left:45px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(0,229,208,.5),rgba(255,46,99,.35),rgba(255,255,255,.06));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:92px minmax(0,1fr);
  gap:26px;align-items:start;
}
.tl-item.has-media{grid-template-columns:92px minmax(0,1fr) 280px;}
.tl-num{
  font-family:var(--mono);font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--accent);
  padding-top:6px;text-align:center;
}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:24px 26px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
  box-shadow:var(--shadow-1);
}
.tl-item:hover .tl-body{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.tl-body h3{font-size:21px;font-weight:700;margin-bottom:12px;}
.tl-body p{font-size:15.5px;color:var(--text-muted);}
.tl-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.tl-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text);}
.tl-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.tl-media{
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;background:var(--surface-2);
  aspect-ratio:16/11;
}
.tl-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.tl-item:hover .tl-media img{transform:scale(1.03);}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;flex-wrap:wrap;}

/* 小贴士 */
.tips-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.tip{
  display:flex;gap:16px;padding:24px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(160deg,var(--surface),rgba(21,20,31,.6));
  transition:transform .2s ease,border-color .2s ease;
}
.tip:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.tip-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(0,229,208,.1);border:1px solid rgba(0,229,208,.28);
}
.tip-icon svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tip h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.tip p{font-size:14.5px;color:var(--text-muted);}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);border-left:3px solid var(--primary);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);position:relative;
  transition:transform .2s ease,border-color .2s ease;
}
.faq-arrow::before,.faq-arrow::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--accent);transform:translate(-50%,-50%);
}
.faq-arrow::before{width:9px;height:1.6px;}
.faq-arrow::after{width:1.6px;height:9px;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);border-color:rgba(0,229,208,.4);}
.faq-item[open] .faq-arrow::after{opacity:0;}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-muted);}

/* 相关入口 */
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.link-card{
  display:flex;flex-direction:column;gap:10px;padding:24px;border:1px solid var(--line);
  border-radius:var(--radius-m);background:var(--surface);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(255,46,99,.4);box-shadow:var(--shadow-1);}
.link-card h3{font-size:17px;font-weight:700;}
.link-card p{font-size:14px;color:var(--text-muted);}
.link-card .text-link{margin-top:auto;}

/* CTA */
.cta-band{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(135deg,#1B1A27,#121120);
  padding:clamp(32px,4vw,52px);
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,0 100%);
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,99,.24),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:8px;}
.cta-band p{color:var(--text-muted);font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:#0A0912;margin-top:20px;position:relative;z-index:1;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding:clamp(44px,5vw,68px) 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--text-muted);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color .16s ease,transform .16s ease;width:fit-content;}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact{font-size:13.5px;color:var(--text-muted);margin-top:14px;line-height:1.9;}
.sub-form{display:flex;gap:10px;}
.sub-form input{
  flex:1 1 auto;min-width:0;height:42px;padding:0 14px;border-radius:8px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);font-size:14px;
  transition:border-color .18s ease,background-color .18s ease;
}
.sub-form input::placeholder{color:#6d6e80;}
.sub-form input:focus{outline:none;border-color:var(--accent);background:#212030;}
.sub-form input.is-error{border-color:var(--primary);}
.form-msg{font-size:13px;color:var(--text-muted);margin-top:10px;}
.form-msg.is-error{color:#ff7fa0;}
.form-msg.is-ok{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 30px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#84859a;
}

/* 响应式 */
@media (max-width:1280px){
  :root{--container:1140px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .burger{display:block;}
  .tl-item.has-media{grid-template-columns:80px minmax(0,1fr);}
  .tl-media{grid-column:2;}
  .timeline::before{left:39px;}
  .link-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1.4fr 1fr 1.2fr;gap:28px;}
}
@media (max-width:768px){
  .nav-wrap{height:56px;}
  .nav-actions .btn{display:none;}
  .nav-drawer{inset:56px 0 0 0;}
  .tips-grid{grid-template-columns:minmax(0,1fr);}
  .link-cards{grid-template-columns:minmax(0,1fr);}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px;}
  .tl-item,.tl-item.has-media{grid-template-columns:minmax(0,1fr);gap:14px;}
  .timeline::before{display:none;}
  .tl-num{text-align:left;padding-top:0;font-size:28px;}
  .tl-media{grid-column:auto;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  :root{--gutter:16px;}
  .logo-text{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .cta-actions{width:100%;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --bg:#0B0A12;
  --surface:#15141F;
  --surface-2:#1D1C2A;
  --surface-3:#111020;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EDEDF2;
  --text-muted:#A2A3B5;
  --primary:#FF2E63;
  --primary-deep:#D2164A;
  --primary-soft:rgba(255,46,99,.12);
  --accent:#00E5D0;
  --accent-soft:rgba(0,229,208,.12);
  --highlight:#FFC531;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.5);
  --container:1200px;
  --gutter:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"SF Mono","JetBrains Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
@media (min-width:1280px){:root{--container:1280px}}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,10,18,.92);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
  backdrop-filter:blur(10px);
}
.site-header.is-scrolled{
  background:rgba(11,10,18,.98);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.45);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  color:#fff;font-weight:800;font-size:17px;border-radius:10px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 4px 14px rgba(255,46,99,.35);
}
.logo-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-muted);
  border-radius:var(--radius-s);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--radius-m);position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);
  border-radius:2px;transform:translateX(-50%);transition:transform .25s ease,opacity .2s ease;
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:rotate(45deg);top:0}
.burger.is-open span::after{transform:rotate(-45deg);top:0}

.drawer{
  position:fixed;inset:0;z-index:70;
  background:rgba(9,8,15,.98);
  padding:0 var(--gutter) 24px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-m);font-size:20px;line-height:1;color:var(--text-muted)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:22px 0;flex:1 1 auto;overflow-y:auto}
.drawer-nav a{
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);font-size:16px;color:var(--text-muted);
}
.drawer-nav a.active{border-color:var(--primary);color:var(--text);background:var(--primary-soft)}
.drawer-cta{flex:0 0 auto}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:8px;font-weight:700;font-size:15px;
  border:1px solid transparent;transition:all .22s ease;line-height:1.2;
  text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(255,46,99,.28)}
.btn-primary:hover{background:#FF4776;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,46,99,.42)}
.btn-primary:active{transform:translateY(1px);background:var(--primary-deep);box-shadow:none}
.btn-outline{border-color:var(--accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:var(--accent-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px;height:42px;border-radius:8px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn:disabled,.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:14px;
  border-bottom:2px solid transparent;transition:all .2s ease;
}
.link-more:hover{border-bottom-color:var(--primary);color:var(--text);transform:translateX(2px)}

/* ============ Badges & tags ============ */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line);color:var(--text-muted);background:var(--surface-2);
}
.badge-primary{color:#FFD3DF;border-color:rgba(255,46,99,.42);background:var(--primary-soft)}
.badge-accent{color:#8FF6EB;border-color:rgba(0,229,208,.38);background:var(--accent-soft)}
.badge-amber{color:#FFE1A3;border-color:rgba(255,197,49,.4);background:rgba(255,197,49,.12)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:7px 15px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--text-muted);font-size:13.5px;transition:all .2s ease;
}
.tag:hover{border-color:var(--line-strong);color:var(--text)}
.tag.is-active{background:var(--primary-soft);border-color:rgba(255,46,99,.5);color:#FFD3DF;font-weight:600}

/* ============ Section framework ============ */
.section{padding:clamp(56px,7vw,104px) 0;position:relative}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.25}
.sec-sub{margin-top:10px;color:var(--text-muted);font-size:15px;max-width:640px}
.sec-bar{display:inline-flex;align-items:center;gap:10px}
.sec-bar::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--primary)}
.sec-tag{
  display:inline-block;padding:4px 12px;border-radius:6px;font-size:13px;font-weight:700;
  color:#0B0A12;background:var(--accent);clip-path:polygon(0 0,100% 0,calc(100% - 8px) 100%,0 100%);
  margin-bottom:12px;
}
.sec-num{
  font-family:var(--font-num);font-size:13px;letter-spacing:.18em;color:var(--primary);
  font-weight:700;margin-bottom:10px;display:block;
}
.rule{height:1px;background:var(--line);position:relative}
.rule::before{content:"";position:absolute;left:0;top:-1px;width:60px;height:3px;background:var(--primary);border-radius:2px}

/* ============ Inner Hero ============ */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;align-items:center;
  padding:56px 0 52px;
  overflow:hidden;
  background:linear-gradient(100deg,rgba(11,10,18,.94) 0%,rgba(11,10,18,.72) 55%,rgba(11,10,18,.92) 100%),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 70% 40%,#000 0%,transparent 72%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--text)}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);
  font-weight:800;letter-spacing:-.01em;line-height:1.2;max-width:900px;
}
.page-hero p{margin-top:14px;color:var(--text-muted);font-size:16.5px;max-width:660px}
.hero-line{width:80px;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;margin-top:22px}

/* ============ Overview split ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-bottom:16px}
.split p{color:var(--text-muted);font-size:16.5px}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-ico{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  background:var(--accent-soft);border:1px solid rgba(0,229,208,.35);color:var(--accent);margin-top:3px;
}
.check-list strong{display:block;font-size:16px;margin-bottom:3px}
.check-list span.txt{color:var(--text-muted);font-size:14.5px;line-height:1.65}
.media-frame{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid rgba(0,229,208,.35);
  box-shadow:var(--shadow-2);
  background:var(--surface);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
}
.media-frame img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s ease}
.media-frame:hover img{transform:scale(1.03)}
.media-cap{
  position:absolute;left:16px;bottom:16px;font-size:13px;color:var(--text-muted);
  background:rgba(11,10,18,.78);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:5px 14px;
}
.float-chip{
  position:absolute;right:-10px;top:24px;z-index:3;
  background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-m);
  padding:12px 16px;box-shadow:var(--shadow-1);
}
.float-chip b{display:block;font-family:var(--font-num);font-size:22px;color:var(--accent);line-height:1.1}
.float-chip span{font-size:12.5px;color:var(--text-muted)}

/* ============ Comparison table ============ */
.table-shell{
  border:1px solid var(--line);border-radius:var(--radius-l);background:var(--surface);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.cmp{width:100%;min-width:820px;font-size:15px}
table.cmp thead th{
  background:var(--surface-3);
  color:var(--text);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.04em;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
table.cmp thead th:first-child{position:sticky;left:0;z-index:3;background:#0E0D1A}
table.cmp tbody th{
  position:sticky;left:0;z-index:2;
  background:var(--surface-2);
  text-align:left;font-weight:700;font-size:15px;color:var(--text);
  padding:18px 20px;border-bottom:1px solid var(--line);
  min-width:150px;
}
table.cmp tbody td{
  padding:18px 20px;border-bottom:1px solid var(--line);
  color:var(--text-muted);vertical-align:top;line-height:1.7;
}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover td{background:rgba(255,255,255,.035);color:var(--text)}
table.cmp tbody tr:hover th{background:#22202F}
.cell-title{display:block;color:var(--text);font-weight:600;margin-bottom:4px;font-size:14.5px}
.cell-note{font-size:13.5px;color:var(--text-muted)}
.dot-yes,.dot-no{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600}
.dot-yes{color:var(--accent)}
.dot-no{color:var(--text-muted)}
.table-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;border-top:1px solid var(--line);background:var(--surface-2);
  font-size:13.5px;color:var(--text-muted);flex-wrap:wrap;
}
.scroll-hint{display:none;align-items:center;gap:6px;color:var(--accent);font-size:13px}

/* ============ Advice two columns ============ */
.advice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.advice-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px;position:relative;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
  transition:transform .25s ease,border-color .25s ease;
}
.advice-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.advice-card h3{font-size:20px;font-weight:700;margin:14px 0 10px}
.advice-card p{color:var(--text-muted);font-size:15px}
.advice-list{margin-top:18px;display:flex;flex-direction:column;gap:11px}
.advice-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-muted)}
.advice-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;background:var(--primary);border-radius:2px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2);box-shadow:inset 3px 0 0 var(--primary)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-size:16.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--accent);transition:transform .25s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);background:var(--accent-soft);border-color:rgba(0,229,208,.4)}
.faq-body{padding:0 22px 22px;color:var(--text-muted);font-size:15.5px;line-height:1.8}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#181626 0%,#12111C 100%);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:clamp(30px,4vw,52px);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px));
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,99,.28),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em;position:relative}
.cta-band p{margin-top:10px;color:var(--text-muted);font-size:15.5px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* ============ Footer ============ */
.site-footer{background:#0E0D17;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-desc{color:var(--text-muted);font-size:14.5px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-muted);font-size:14.5px;transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.sub-form{display:flex;gap:8px;margin-bottom:10px}
.sub-form input{
  flex:1 1 auto;min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:8px;padding:0 14px;height:42px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#6E6F82}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,208,.14)}
.sub-form input.is-error{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,46,99,.16)}
.form-msg{font-size:13px;color:var(--text-muted);margin-top:2px}
.form-msg.is-error{color:#FF7C9C}
.form-msg.is-ok{color:var(--accent)}
.footer-contact{margin-top:14px;font-size:13.5px;color:var(--text-muted);line-height:1.9}
.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:13.5px;color:#6E6F82;
}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .main-nav{display:none}
  .burger{display:block}
  .nav-actions .btn-primary{display:none}
  .split{grid-template-columns:1fr;gap:36px}
  .float-chip{right:12px;top:12px}
  .advice-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--gutter:16px}
  .nav-wrap{height:56px}
  .logo-text{font-size:15.5px}
  .page-hero{min-height:auto;padding:40px 0}
  .hero-line{margin-top:16px}
  .scroll-hint{display:inline-flex}
  table.cmp{min-width:680px;font-size:14px}
  table.cmp thead th,table.cmp tbody th,table.cmp tbody td{padding:14px 14px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:560px){
  .btn{padding:12px 18px;font-size:14.5px}
  .btn-lg{padding:13px 22px;font-size:15px}
  .sec-head{margin-bottom:26px}
  .check-list strong{font-size:15px}
  .faq-item summary{font-size:15.5px;padding:16px 16px}
  .faq-body{padding:0 16px 18px}
  .advice-card{padding:20px}
  .media-cap{left:10px;bottom:10px;font-size:12px}
  .sub-form{flex-wrap:wrap}
  .sub-form input{flex:1 1 100%}
  .sub-form .btn{width:100%}
}