/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0B1014;--bg-1:#121A20;--bg-2:#18232A;--bg-3:#1F2C34;
  --line:#26343D;--line-soft:rgba(255,255,255,.06);
  --brand:#00D68F;--brand-dim:#0B8F62;--brand-mist:rgba(0,214,143,.12);
  --accent:#FF6A2B;--accent-hi:#FF8347;--tier:#FFC53D;
  --text-1:#F2F7F5;--text-2:#A9B7B3;--text-3:#6E7C79;
  --paper:#F5F7F6;--ink:#16211F;--ink-2:#4E5C58;
  --ok:#00D68F;--warn:#FFC53D;--err:#FF4D4F;--focus:rgba(0,214,143,.45);
  --shadow-1:0 8px 24px rgba(0,0,0,.32);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --r-card:14px;--r-btn:10px;--r-pill:999px;--r-img:12px;--r-paper:16px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans SC","PingFang SC",sans-serif;
  --container:1200px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;letter-spacing:.01em;
  word-break:normal;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em}
.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}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head__text{max-width:720px}
.section-title{font-size:clamp(22px,3.4vw,36px);font-weight:700;line-height:1.25;letter-spacing:.01em}
.section-desc{margin-top:12px;color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--r-pill);background:var(--brand-mist);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.eyebrow--accent{background:rgba(255,106,43,.12);color:var(--accent-hi)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  transition:background-color 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
  border:1px solid transparent;
}
.btn--primary{background:var(--accent);color:#0B1014}
.btn--primary:hover{background:var(--accent-hi);box-shadow:0 6px 18px rgba(255,106,43,.35);transform:translateY(-2px)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 3px 9px rgba(255,106,43,.2)}
.btn--secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--secondary:hover{background:var(--brand-mist);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--lg{height:48px;padding:0 28px}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--xs{height:32px;padding:0 14px;font-size:13px}
.btn--block{width:100%}
.btn--text{height:auto;padding:0;border:0;color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge--brand{background:rgba(0,214,143,.12);color:var(--brand)}
.badge--accent{background:rgba(255,106,43,.14);color:var(--accent-hi)}
.badge--tier{background:rgba(255,197,61,.14);color:var(--tier)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);font-size:12px;
  transition:border-color 240ms var(--ease),color 240ms var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(11,16,20,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-top__inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:36px;height:36px;flex-shrink:0}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--font-num);font-size:19px;font-weight:700;letter-spacing:.06em}
.brand__sub{font-size:11px;color:var(--text-3);letter-spacing:.18em}
.nav-search{position:relative;display:flex;align-items:center;width:320px;max-width:100%;margin-left:auto}
.nav-search input{
  width:100%;height:44px;padding:0 44px 0 40px;border-radius:var(--r-btn);
  background:var(--bg-1);border:1px solid var(--line);color:var(--text-1);font-size:14px;
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.nav-search__icon{position:absolute;left:14px;color:var(--text-3);pointer-events:none}
.nav-search__btn{position:absolute;right:6px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-2)}
.nav-search__btn:hover{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--text-1)}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}
.nav-channels{border-top:1px solid var(--line-soft)}
.nav-channels__inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory}
.nav-channels__inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid transparent;color:var(--text-2);font-size:14px;scroll-snap-align:start;
  position:relative;transition:background-color 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
}
.tab:hover{background:var(--brand-mist);color:var(--text-1)}
.tab.is-active{background:rgba(0,214,143,.14);color:var(--brand);font-weight:600}
.tab.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;background:var(--brand);border-radius:2px}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:90}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:var(--bg-1);
  border-left:1px solid var(--line);z-index:95;transform:translateX(100%);
  transition:transform 280ms var(--ease);padding:20px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer__close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid var(--line)}
.drawer__close:hover{border-color:var(--brand);color:var(--brand)}
.drawer__search{width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);background:var(--bg-2);border:1px solid var(--line);margin-bottom:20px}
.drawer__search:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer__nav a{padding:12px 14px;border-radius:var(--r-btn);color:var(--text-2);font-size:15px;transition:background-color 200ms var(--ease),color 200ms var(--ease)}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-mist);color:var(--brand)}
.drawer__foot{border-top:1px solid var(--line-soft);padding-top:20px;display:flex;flex-direction:column;gap:10px}
.drawer__foot p{font-size:13px;color:var(--text-3)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--bg-0)}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,16,20,.96) 0%,rgba(11,16,20,.88) 42%,rgba(11,16,20,.55) 72%,rgba(11,16,20,.35) 100%);
}
.hero__dots{
  position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(0,214,143,.9) 0 1px,transparent 1px 14px);
}
.hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:56px;align-items:center;min-height:620px;padding-top:64px;padding-bottom:64px}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 16px;border-radius:var(--r-pill);border:1px solid rgba(0,214,143,.32);background:rgba(0,214,143,.08);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.06em}
.hero h1{margin-top:22px;font-size:clamp(28px,5vw,52px);font-weight:800;line-height:1.15;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero__sub{margin-top:20px;max-width:600px;color:var(--text-2);font-size:16px;line-height:1.85}
.hero__cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero__stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.hero__stat{display:flex;flex-direction:column;gap:4px;padding-left:16px;border-left:2px solid var(--brand-dim)}
.hero__stat b{font-family:var(--font-num);font-size:34px;font-weight:600;line-height:1;color:var(--text-1)}
.hero__stat span{font-size:13px;color:var(--text-3)}
.hero-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);padding:22px;position:relative;overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),rgba(0,214,143,0));
}
.hero-card__head{display:flex;gap:14px;align-items:center}
.hero-card__head img{width:72px;height:72px;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.hero-card__label{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.hero-card__value{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:600;margin-top:4px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(0,214,143,.16)}
.hero-card__list{margin:20px 0;border-top:1px solid var(--line-soft)}
.hero-card__list li{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line-soft);font-size:14px;color:var(--text-2)}
.hero-card__list b{font-family:var(--font-num);font-size:20px;color:var(--text-1)}

/* ============ 快捷通道 ============ */
.quick-bar{background:var(--bg-1);border-bottom:1px solid var(--line-soft)}
.quick-bar__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;padding:28px 0}
.quick-item{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r-pill);
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-1);font-size:14px;font-weight:600;
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease),background-color 240ms var(--ease);
}
.quick-item svg{color:var(--brand);flex-shrink:0}
.quick-item:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-1);background:var(--bg-3)}

/* ============ 权益对比表 ============ */
.table-wrap{position:relative;border-radius:var(--r-card);border:1px solid var(--line);background:var(--bg-1);overflow:hidden}
.table-scroll{overflow-x:auto;scrollbar-width:thin}
.compare{width:100%;border-collapse:collapse;min-width:760px}
.compare thead th{
  background:var(--bg-3);font-size:14px;font-weight:600;color:var(--text-2);
  padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);
}
.compare thead th:first-child{text-align:left;position:sticky;left:0;z-index:2;background:var(--bg-3)}
.compare thead th.hl{background:rgba(255,106,43,.08);color:var(--accent-hi);position:relative}
.compare thead th.hl::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand)}
.compare tbody td{padding:0 18px;height:56px;text-align:center;font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line-soft)}
.compare tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.compare tbody td:first-child{
  text-align:left;font-size:15px;font-weight:600;color:var(--text-1);
  position:sticky;left:0;z-index:2;background:var(--bg-1);
}
.compare tbody tr:nth-child(even) td:first-child{background:#141D23}
.compare tbody td.hl{background:rgba(255,106,43,.06);border-left:1px solid rgba(255,106,43,.5);border-right:1px solid rgba(255,106,43,.5)}
.compare tbody tr:last-child td{border-bottom:0}
.tick{width:20px;height:20px;color:var(--brand);margin:0 auto}
.dash{display:block;width:14px;height:2px;background:var(--text-3);border-radius:2px;margin:0 auto}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3)}
.table-fade{position:absolute;top:0;right:0;bottom:0;width:48px;pointer-events:none;background:linear-gradient(90deg,rgba(18,26,32,0),rgba(18,26,32,.95));display:none}

/* ============ 等级卡 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.tier-card{
  position:relative;display:flex;flex-direction:column;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.tier-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.tier-card--rec{border-color:var(--accent);box-shadow:var(--shadow-2);transform:scale(1.03)}
.tier-card--rec:hover{transform:scale(1.03) translateY(-4px)}
.tier-card__flag{
  position:absolute;top:16px;right:-4px;height:26px;padding:0 14px;display:flex;align-items:center;
  background:var(--accent);color:#0B1014;font-size:12px;font-weight:700;letter-spacing:.08em;
  clip-path:polygon(10px 0,100% 0,100% 100%,10px 100%,0 50%);
}
.tier-card__badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.06em}
.tier-card__name{margin-top:16px;font-size:20px;font-weight:700}
.tier-card__price{display:flex;align-items:baseline;gap:6px;margin-top:12px}
.tier-card__price b{font-family:var(--font-num);font-size:42px;font-weight:600;line-height:1;color:var(--text-1)}
.tier-card__price span{font-size:13px;color:var(--text-3)}
.tier-card__list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.tier-card__list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.6}
.tier-card__list svg{flex-shrink:0;width:18px;height:18px;margin-top:3px;color:var(--brand)}

/* ============ 专属内容预览 ============ */
.lock-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.lock-card{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease)}
.lock-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.lock-card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.lock-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.lock-card:hover .lock-card__media img{transform:scale(1.04)}
.lock-card__veil{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background-image:repeating-linear-gradient(45deg,rgba(11,16,20,.55) 0 8px,rgba(11,16,20,.42) 8px 16px);
  transition:opacity 240ms var(--ease);opacity:1;
}
.lock-card:hover .lock-card__veil{opacity:.4}
.lock-card__veil svg{width:32px;height:32px;color:var(--text-1)}
.lock-card__body{padding:18px}
.lock-card__body h3{font-size:17px;font-weight:600;line-height:1.45}
.lock-card__body p{margin-top:8px;font-size:13px;color:var(--text-3)}
.lock-cta{display:flex;justify-content:center;margin-top:32px}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.news-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card__title{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color 240ms var(--ease)}
.news-card:hover .news-card__title{color:var(--brand)}
.news-card__excerpt{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{display:flex;align-items:center;gap:16px;margin-top:auto;font-size:13px;color:var(--text-3)}
.news-card__meta span{display:inline-flex;align-items:center;gap:6px}
.news-card__meta svg{width:15px;height:15px}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:260px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-1);text-align:center;padding:32px;
}
.empty-state svg{width:48px;height:48px;color:var(--text-3);opacity:.4}
.empty-state h3{font-size:16px;font-weight:600}
.empty-state p{font-size:14px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq{max-width:840px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--text-1);
  transition:color 240ms var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a p{padding-bottom:22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta{position:relative;overflow:hidden;background:var(--bg-0);border-top:1px solid var(--line-soft)}
.cta__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.28}
.cta__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,20,.96),rgba(11,16,20,.72))}
.cta__bar{position:absolute;top:0;bottom:0;left:0;width:10px;background:var(--accent);clip-path:polygon(0 0,100% 6%,100% 94%,0 100%)}
.cta__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:72px 0 72px 32px;flex-wrap:wrap}
.cta__text{max-width:620px}
.cta h2{font-size:clamp(22px,3.4vw,34px);font-weight:700;line-height:1.3}
.cta p{margin-top:14px;color:var(--text-2);font-size:15px}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);position:relative;overflow:hidden}
.footer-arc{position:absolute;top:-40px;right:-60px;width:320px;height:320px;opacity:.16;pointer-events:none}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand__desc{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:300px}
.qr-box{margin-top:18px;display:flex;align-items:center;gap:12px}
.qr-box__code{width:72px;height:72px;border-radius:10px;border:1px solid var(--line);background:
  repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 6px,transparent 6px 12px),
  repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 6px,transparent 6px 12px);
}
.qr-box span{font-size:13px;color:var(--text-3)}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color 240ms var(--ease)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-bottom{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3);
}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:border-color 240ms var(--ease),color 240ms var(--ease),transform 240ms var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 20px}
  .hero__inner{grid-template-columns:1fr;gap:40px;min-height:0;padding-top:56px;padding-bottom:56px}
  .hero-card{max-width:460px}
  .lock-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-card--rec{transform:none}
  .tier-card--rec:hover{transform:translateY(-4px)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .nav-search{display:none}
  .hamburger{display:flex}
  .quick-bar__grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:20px 0}
  .table-fade{display:block}
  .tier-grid{grid-template-columns:1fr}
  .cta__inner{padding:56px 0 56px 24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .brand__sub{display:none}
  .hero__stats{gap:22px}
  .hero__stat b{font-size:28px}
  .hero__cta .btn{width:100%}
  .quick-bar__grid{grid-template-columns:1fr}
  .lock-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px}
  .cta__actions{width:100%}
  .cta__actions .btn{width:100%}
  .hero-card__head img{width:60px;height:60px}
}

/* roulang page: article */
:root{
  --bg-0:#0B1014;
  --bg-1:#121A20;
  --bg-2:#18232A;
  --bg-3:#1F2C34;
  --line:#26343D;
  --line-soft:rgba(255,255,255,.06);
  --brand:#00D68F;
  --brand-dim:#0B8F62;
  --brand-mist:rgba(0,214,143,.12);
  --accent:#FF6A2B;
  --accent-hi:#FF8347;
  --tier:#FFC53D;
  --text-1:#F2F7F5;
  --text-2:#A9B7B3;
  --text-3:#6E7C79;
  --paper:#F5F7F6;
  --ink:#16211F;
  --ink-2:#4E5C58;
  --ok:#00D68F;
  --warn:#FFC53D;
  --err:#FF4D4F;
  --focus:rgba(0,214,143,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --r-paper:16px;
  --shadow-1:0 8px 24px rgba(0,0,0,.32);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Inter","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color 240ms var(--ease),border-color 240ms var(--ease),background-color 240ms var(--ease)}
a:hover{color:var(--brand)}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section--tight{padding:64px 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(22px,3.4vw,36px);font-weight:700;line-height:1.25;letter-spacing:.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform 240ms var(--ease),background-color 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease),color 240ms var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#0B1014}
.btn--primary:hover{background:var(--accent-hi);color:#0B1014;box-shadow:0 6px 18px rgba(255,106,43,.35);transform:translateY(-2px)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,43,.22)}
.btn--secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--secondary:hover{background:var(--brand-mist);color:var(--brand);transform:translateY(-2px)}
.btn--secondary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.btn--link:hover{border-bottom-color:var(--brand);color:var(--brand)}
.btn--lg{min-height:48px;padding:0 28px;font-size:16px}
.btn--sm{min-height:32px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,16,20,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-top__inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:38px;height:38px;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--font-num);font-size:21px;font-weight:600;letter-spacing:.04em;color:var(--text-1)}
.brand__sub{font-size:11px;letter-spacing:.28em;color:var(--brand);margin-top:2px}
.brand:hover .brand__name{color:var(--brand)}

.nav-search{
  position:relative;display:flex;align-items:center;
  width:320px;height:44px;margin-left:8px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.nav-search svg{width:17px;height:17px;margin:0 10px 0 14px;color:var(--text-3);flex:none}
.nav-search input{
  flex:1;height:42px;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--text-1);
}
.nav-search input::placeholder{color:var(--text-3)}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger:hover{border-color:var(--brand)}

.nav-channels{
  border-top:1px solid var(--line-soft);
  background:rgba(18,26,32,.72);
  position:relative;z-index:50;
}
.nav-channels__inner{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels__inner::-webkit-scrollbar{display:none}
.tab{
  flex:none;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14px;color:var(--text-2);position:relative;
  transition:color 240ms var(--ease),background-color 240ms var(--ease),border-color 240ms var(--ease);
}
.tab:hover{background:var(--brand-mist);color:var(--brand)}
.tab.is-active{background:rgba(0,214,143,.14);color:var(--brand);font-weight:600}
.tab.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;background:var(--brand);border-radius:2px;
}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:90;
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:95;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform 280ms var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer__close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.drawer__close:hover{border-color:var(--brand);color:var(--brand)}
.drawer__search{
  display:flex;align-items:center;height:48px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-btn);margin-bottom:18px;
}
.drawer__search input{flex:1;height:46px;background:transparent;border:0;outline:none;padding:0 14px;font-size:14px}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__nav a{
  display:flex;align-items:center;min-height:46px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;color:var(--text-2);
}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-mist);color:var(--brand)}
.drawer__cta{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.drawer__cta .btn{width:100%}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;font-size:14px;color:var(--text-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--text-2)}

/* ============ 文章头部 ============ */
.article-hero{padding:26px 0 0}
.article-hero__badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-mist);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-hero h1{
  margin-top:16px;
  font-size:clamp(28px,5vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:.02em;
  max-width:900px;
}
.article-hero__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:20px;font-size:13px;color:var(--text-3);
}
.article-hero__meta span{display:inline-flex;align-items:center;gap:6px}
.article-hero__meta svg{width:15px;height:15px;stroke-width:1.75}
.article-hero__figure{
  margin-top:28px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:16/9;background:var(--bg-2);
}
.article-hero__figure img{width:100%;height:100%;object-fit:cover}
.article-hero__caption{margin-top:12px;font-size:13px;color:var(--text-3)}

/* ============ 布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;padding-top:44px;padding-bottom:88px;align-items:start;
}
.article-main{min-width:0}

/* ============ 浅纸面正文 ============ */
.paper{
  background:var(--paper);color:var(--ink);
  border-radius:var(--r-paper);
  box-shadow:var(--shadow-2);
  padding:48px;
}
.paper-body{max-width:820px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--ink)}
.paper-body p{margin:0 0 20px;word-break:normal;overflow-wrap:break-word}
.paper-body h2{
  font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.3;color:var(--ink);
  margin:44px 0 18px;padding-left:14px;border-left:4px solid var(--brand);
}
.paper-body h2:first-child{margin-top:0}
.paper-body h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--ink);margin:32px 0 14px}
.paper-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 12px}
.paper-body ul{margin:0 0 20px;padding-left:2px}
.paper-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.paper-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;
  background:var(--brand-dim);border-radius:2px;transform:rotate(45deg);
}
.paper-body ol{margin:0 0 20px;padding-left:22px;list-style:decimal}
.paper-body ol li{margin-bottom:10px}
.paper-body a{color:var(--brand-dim);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.paper-body a:hover{color:var(--accent)}
.paper-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--accent);
  background:#EAEFEC;border-radius:0 10px 10px 0;
  color:var(--ink-2);font-size:15.5px;line-height:1.8;
}
.paper-body img{border-radius:var(--r-img);box-shadow:var(--shadow-1);margin:24px 0}
.paper-body figure{margin:24px 0}
.paper-body figcaption{margin-top:10px;font-size:13px;color:var(--ink-2);text-align:center}
.paper-body table{display:block;overflow-x:auto;margin:24px 0;font-size:14.5px;border:1px solid #DDE3E0;border-radius:10px}
.paper-body table thead{background:#E9EEEC}
.paper-body table th,.paper-body table td{padding:12px 16px;text-align:left;border-bottom:1px solid #E4E9E6;white-space:nowrap}
.paper-body table th{font-weight:600;color:var(--ink)}
.paper-body code{background:#E7ECEA;color:#1F2C34;padding:2px 6px;border-radius:5px;font-size:14px}
.paper-body pre{
  background:#101a19;color:#DDF3EA;padding:18px 20px;border-radius:10px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.paper-body pre code{background:transparent;color:inherit;padding:0}
.paper-body hr{border:0;border-top:1px solid #DDE3E0;margin:34px 0}

.paper-empty{text-align:center;padding:32px 0}
.paper-empty__icon{
  width:52px;height:52px;margin:0 auto 18px;opacity:.35;
  display:flex;align-items:center;justify-content:center;
}
.paper-empty h2{font-size:22px;font-weight:700;color:var(--ink);margin:0 0 10px}
.paper-empty p{color:var(--ink-2);font-size:15px;margin-bottom:22px}
.paper-empty .btn--ghost{border-color:#CBD4D0;color:var(--ink)}
.paper-empty .btn--ghost:hover{border-color:var(--brand-dim);color:var(--brand-dim)}

/* 会员提示条 */
.tip-bar{
  display:flex;align-items:center;gap:16px;
  margin-top:24px;padding:18px 22px;
  background:rgba(0,214,143,.10);
  border:1px solid rgba(0,214,143,.32);
  border-radius:var(--r-card);
}
.tip-bar__icon{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:rgba(0,214,143,.16);display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.tip-bar__text{flex:1;min-width:0}
.tip-bar__text strong{display:block;font-size:15px;font-weight:600;color:var(--text-1)}
.tip-bar__text span{display:block;font-size:13.5px;color:var(--text-2);margin-top:4px}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);transition:color 240ms var(--ease),border-color 240ms var(--ease);
}
.tag:hover{color:var(--brand);border-color:var(--brand)}

/* 作者卡 */
.author-card{
  display:flex;align-items:center;gap:18px;margin-top:24px;padding:22px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
}
.author-card__avatar{
  width:56px;height:56px;border-radius:50%;flex:none;
  background:linear-gradient(140deg,var(--brand-dim),var(--bg-3));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:22px;font-weight:600;color:var(--text-1);
}
.author-card__body h3{font-size:16px;font-weight:600;margin-bottom:6px}
.author-card__body p{font-size:13.5px;color:var(--text-2);line-height:1.7}

/* ============ 右侧栏 ============ */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:150px}
.aside-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;
}
.aside-card h3{
  font-size:15px;font-weight:600;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{content:"";width:3px;height:14px;background:var(--brand);border-radius:2px}
.aside-toc{display:flex;flex-direction:column;gap:2px}
.aside-toc a{
  display:flex;align-items:center;gap:10px;min-height:38px;
  font-size:14px;color:var(--text-2);border-radius:8px;padding:0 10px;
}
.aside-toc a:hover{background:var(--brand-mist);color:var(--brand)}
.aside-toc a span{font-family:var(--font-num);color:var(--text-3);font-size:15px}
.aside-list{display:flex;flex-direction:column;gap:14px}
.aside-list a{display:flex;gap:12px;align-items:flex-start}
.aside-list img{width:64px;height:44px;object-fit:cover;border-radius:8px;flex:none}
.aside-list strong{display:block;font-size:14px;font-weight:500;color:var(--text-1);line-height:1.55}
.aside-list a:hover strong{color:var(--brand)}
.aside-list em{display:block;font-style:normal;font-size:12.5px;color:var(--text-3);margin-top:5px}
.member-card{
  background:linear-gradient(150deg,#14231F,#121A20 60%);
  border:1px solid rgba(0,214,143,.35);
}
.member-card h3::before{background:var(--accent)}
.member-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px}
.member-card .btn{width:100%}

/* ============ 相关推荐 ============ */
.related{padding:0 0 8px}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.card__cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.card:hover .card__cover img{transform:scale(1.04)}
.card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.card__badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:var(--brand-mist);color:var(--brand);margin-bottom:12px;
}
.card__badge--orange{background:rgba(255,106,43,.14);color:var(--accent-hi)}
.card__body h3{
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card__body h3{color:var(--brand)}
.card__body p{
  font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--text-3);
}
.card__meta span{display:inline-flex;align-items:center;gap:6px}
.card__meta svg{width:14px;height:14px;stroke-width:1.75}

/* 上一篇 / 下一篇 */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin-top:36px;
}
.post-nav a{
  display:flex;flex-direction:column;gap:8px;padding:20px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease);
}
.post-nav a:hover{transform:translateY(-4px);border-color:var(--brand)}
.post-nav span{font-size:12.5px;color:var(--text-3);letter-spacing:.08em}
.post-nav strong{font-size:15px;font-weight:600;color:var(--text-1);line-height:1.55}
.post-nav a:hover strong{color:var(--brand)}
.post-nav--single{grid-template-columns:1fr}

/* ============ CTA 区块 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-0);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:80px 0;
}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(.7);
}
.cta-band__inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-band__inner::before{
  content:"";position:absolute;left:-40px;top:-20px;bottom:-20px;width:10px;
  background:var(--accent);clip-path:polygon(0 0,100% 8%,100% 100%,0 92%);
}
.cta-band h2{font-size:clamp(22px,3.4vw,36px);font-weight:700;line-height:1.25;max-width:620px}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:640px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:72px 0 28px;overflow:hidden;
}
.footer-arc{
  position:absolute;right:-60px;top:-80px;width:420px;height:420px;
  opacity:.14;pointer-events:none;
}
.footer-grid{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand__desc{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.qr-box{
  display:flex;align-items:center;gap:12px;margin-top:20px;
  padding:12px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);width:fit-content;
}
.qr-box__code{
  width:52px;height:52px;border-radius:8px;
  background:
    repeating-linear-gradient(90deg,#F2F7F5 0 4px,transparent 4px 8px),
    repeating-linear-gradient(0deg,#F2F7F5 0 4px,transparent 4px 8px),
    var(--bg-3);
  opacity:.85;
}
.qr-box span{font-size:12.5px;color:var(--text-2);line-height:1.6}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a{font-size:14px;color:var(--text-2)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-col li a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  position:relative;margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--text-2);flex:none;
}
.to-top:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1140px}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:32px;padding-bottom:72px}
  .article-aside{position:static}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:768px){
  .nav-search{display:none}
  .hamburger{display:inline-flex}
  .nav-actions .btn{display:none}
  .paper{padding:28px 20px;border-radius:14px}
  .article-hero__meta{gap:12px}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .post-nav{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .grid-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tip-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand__name{font-size:19px}
  .article-layout{padding-top:32px}
  .paper{padding:22px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{position:fixed;right:16px;bottom:24px;z-index:70;background:var(--bg-2)}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B1014;
  --bg-1:#121A20;
  --bg-2:#18232A;
  --bg-3:#1F2C34;
  --line:#26343D;
  --line-soft:rgba(255,255,255,.06);
  --brand:#00D68F;
  --brand-dim:#0B8F62;
  --brand-mist:rgba(0,214,143,.12);
  --accent:#FF6A2B;
  --accent-hi:#FF8347;
  --tier:#FFC53D;
  --text-1:#F2F7F5;
  --text-2:#A9B7B3;
  --text-3:#6E7C79;
  --paper:#F5F7F6;
  --ink:#16211F;
  --ink-2:#4E5C58;
  --ok:#00D68F;
  --warn:#FFC53D;
  --err:#FF4D4F;
  --focus:rgba(0,214,143,.45);
  --shadow-1:0 8px 24px rgba(0,0,0,.32);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-paper:16px;
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --cond:"Barlow Condensed","Inter",var(--sans);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  word-break:normal;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
figure{margin:0}
::selection{background:rgba(0,214,143,.28)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);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:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(11,16,20,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-top{height:68px}
.nav-top__inner{display:flex;align-items:center;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand__mark{width:38px;height:38px;flex:0 0 auto}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--cond);font-size:21px;font-weight:600;letter-spacing:.05em}
.brand__sub{font-size:11px;letter-spacing:.2em;color:var(--brand)}
.search{position:relative;flex:0 1 320px;margin:0 auto}
.search input{
  width:100%;height:44px;border-radius:var(--r-btn);
  background:var(--bg-1);border:1px solid var(--line);
  padding:0 46px 0 16px;font-size:14px;color:var(--text-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--focus);outline:none}
.search__btn{
  position:absolute;right:5px;top:5px;width:34px;height:34px;
  display:grid;place-items:center;border-radius:8px;color:var(--text-3);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.search__btn:hover{color:var(--brand);background:var(--brand-mist)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist)}
.nav-search-toggle,.hamburger{display:none}

.nav-channels{border-top:1px solid var(--line-soft);position:relative;z-index:50}
.nav-channels__inner{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.nav-channels__inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:999px;font-size:14px;
  color:var(--text-2);border:1px solid transparent;position:relative;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.tab:hover{background:var(--brand-mist);color:var(--text-1)}
.tab.is-active{background:rgba(0,214,143,.14);color:var(--brand)}
.tab.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}

.search-mobile{
  display:none;border-top:1px solid var(--line-soft);
  background:var(--bg-1);padding:12px 0;
}
.search-mobile.is-open{display:block}
.search-mobile .search{max-width:none;margin:0;flex:1 1 auto}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:120;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s var(--ease);
  z-index:130;display:flex;flex-direction:column;gap:6px;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__close{align-self:flex-end;width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2)}
.drawer__close:hover{color:var(--brand);border-color:var(--brand)}
.drawer__title{font-size:13px;color:var(--text-3);letter-spacing:.1em;margin:14px 0 6px}
.drawer__link{
  padding:12px 10px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2);
  min-height:44px;display:flex;align-items:center;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer__link:hover{background:var(--brand-mist);color:var(--brand)}
.drawer__link.is-active{background:rgba(0,214,143,.14);color:var(--brand)}
.drawer .btn{margin-top:10px;width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent);color:#0B1014;box-shadow:0 6px 18px rgba(255,106,43,.22)}
.btn--primary:hover{background:var(--accent-hi);box-shadow:0 6px 18px rgba(255,106,43,.35)}
.btn--outline{background:transparent;border:1px solid var(--brand);color:var(--brand)}
.btn--outline:hover{background:var(--brand-mist)}
.btn--ghost{background:transparent;border:1px solid var(--line);color:var(--text-1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--text{padding:0;height:auto;background:none;color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.btn--text:hover{color:var(--accent-hi)}
.btn--lg{height:48px;padding:0 28px}
.btn--sm{height:32px;padding:0 14px;font-size:13px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* ============ 面包屑 ============ */
.breadcrumb{padding:18px 0 6px;font-size:14px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{margin:0 8px;color:var(--line)}
.breadcrumb .is-current{color:var(--text-2)}

/* ============ 分类 Hero ============ */
.hero-cat{
  position:relative;overflow:hidden;
  background:linear-gradient(100deg,rgba(11,16,20,.97) 0%,rgba(11,16,20,.86) 46%,rgba(11,16,20,.58) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
  opacity:.5;
}
.hero-cat__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
  padding:64px 0 72px;min-height:380px;
}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-mist);color:var(--brand);
  font-size:13px;letter-spacing:.06em;
}
.kicker__dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero-cat h1{
  font-size:clamp(28px,5vw,52px);font-weight:800;line-height:1.15;
  letter-spacing:.02em;margin:18px 0 16px;
}
.hero-cat h1 em{font-style:normal;color:var(--brand)}
.hero-cat__lead{font-size:16px;color:var(--text-2);max-width:560px;line-height:1.85}
.hero-cat__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stat{
  background:rgba(18,26,32,.72);border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px 18px;min-width:132px;
}
.hero-stat__num{
  font-family:var(--cond);font-size:30px;font-weight:600;line-height:1;
  color:var(--brand);letter-spacing:.02em;
}
.hero-stat__num.is-accent{color:var(--accent)}
.hero-stat__num.is-tier{color:var(--tier)}
.hero-stat__label{font-size:13px;color:var(--text-3);margin-top:6px}
.hero-cat__media{position:relative}
.hero-cat__media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.hero-cat__badge{
  position:absolute;left:-10px;bottom:-16px;
  display:flex;align-items:center;gap:10px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px 16px;box-shadow:var(--shadow-1);
}
.hero-cat__badge strong{font-family:var(--cond);font-size:22px;color:var(--ok);letter-spacing:.02em}
.hero-cat__badge span{font-size:13px;color:var(--text-3)}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(0,214,143,.16)}

/* ============ 锚点条 ============ */
.anchor-bar{border-bottom:1px solid var(--line-soft);background:var(--bg-1)}
.anchor-bar__inner{display:flex;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist)}

/* ============ 板块 ============ */
.section{padding:80px 0;scroll-margin-top:140px}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section__head{max-width:760px;margin-bottom:40px}
.section__head h2{font-size:clamp(22px,3.4vw,36px);font-weight:700;line-height:1.25;margin-bottom:14px}
.section__head p{color:var(--text-2);font-size:16px}
.section__head--split{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}

/* ============ 入口场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.scene-card__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-mist);color:var(--brand);margin-bottom:18px;
}
.scene-card h3{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.scene-card dl{margin:16px 0 0}
.scene-card dt{font-size:13px;color:var(--text-3);margin-top:12px}
.scene-card dd{margin:2px 0 0;font-size:15px;color:var(--text-1)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  border:1px solid var(--line);font-size:12px;color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand)}
.tag--brand{background:var(--brand-mist);border-color:transparent;color:var(--brand)}
.tag--accent{background:rgba(255,106,43,.12);border-color:transparent;color:var(--accent)}
.tag--tier{background:rgba(255,197,61,.12);border-color:transparent;color:var(--tier)}

/* ============ 步骤时间线 ============ */
.steps{position:relative;padding-left:44px;display:grid;gap:32px;max-width:900px}
.steps::before{
  content:"";position:absolute;left:17px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(0,214,143,.06));
}
.step{position:relative}
.step__node{
  position:absolute;left:-44px;top:0;width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-2);border:1px solid var(--brand);
  font-family:var(--cond);font-size:18px;font-weight:600;color:var(--brand);
}
.step__body{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover .step__body{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step__body h3{font-size:19px;margin-bottom:8px}
.step__body p{font-size:15px;color:var(--text-2);line-height:1.85}
.step__meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:13px;color:var(--text-3)}
.step__meta span{display:inline-flex;align-items:center;gap:6px}

/* ============ 注意事项 ============ */
.note-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.note-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.note-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.note-card__idx{
  font-family:var(--cond);font-size:26px;font-weight:600;color:var(--accent);
  line-height:1;margin-bottom:14px;letter-spacing:.04em;
}
.note-card h3{font-size:17px;margin-bottom:8px}
.note-card p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ============ 状态表 ============ */
.table-wrap{
  position:relative;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);box-shadow:var(--shadow-1);scrollbar-width:thin;
}
.table-wrap::-webkit-scrollbar{height:8px}
.table-wrap::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.state-table{width:100%;border-collapse:collapse;min-width:760px}
.state-table thead th{
  background:var(--bg-3);font-size:14px;font-weight:600;color:var(--text-1);
  text-align:left;padding:16px 18px;white-space:nowrap;border-bottom:2px solid var(--brand);
}
.state-table tbody td{
  padding:16px 18px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line-soft);
  vertical-align:middle;
}
.state-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.state-table tbody tr:hover{background:var(--brand-mist)}
.state-table tbody td:first-child{color:var(--text-1);font-weight:600}
.state-table tbody tr:last-child td{border-bottom:0}
.state{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:999px;font-size:13px;
}
.state--ok{background:rgba(0,214,143,.14);color:var(--ok)}
.state--warn{background:rgba(255,197,61,.14);color:var(--warn)}
.state--accent{background:rgba(255,106,43,.14);color:var(--accent)}
.table-foot{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.7}
.table-hint{
  display:none;font-size:13px;color:var(--text-3);margin-top:10px;align-items:center;gap:6px;
}
.table-hint.is-show{display:flex}

/* ============ 相关栏目卡 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.cat-card__cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-3)}
.cat-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease)}
.cat-card:hover .cat-card__cover img{transform:scale(1.04)}
.cat-card__cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,16,20,.72) 100%);
}
.cat-card__badge{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(0,214,143,.16);color:var(--brand);font-size:12px;
}
.cat-card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.cat-card__body h3{font-size:18px;margin-bottom:10px;transition:color .2s var(--ease)}
.cat-card:hover .cat-card__body h3{color:var(--brand)}
.cat-card__body p{font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cat-card__meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line-soft);
}
.cat-card__meta svg{flex:0 0 auto}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;margin-top:64px;
  background:linear-gradient(90deg,rgba(11,16,20,.95) 0%,rgba(11,16,20,.78) 55%,rgba(11,16,20,.6) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-block::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:112px;background:var(--accent);
  clip-path:polygon(0 0,42% 0,0 100%,0 100%);opacity:.9;
}
.cta-block__inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:32px;padding:72px 0;
}
.cta-block h2{font-size:clamp(22px,3.2vw,34px);line-height:1.25;margin-bottom:12px;max-width:640px}
.cta-block p{color:var(--text-2);font-size:16px;max-width:620px}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--bg-1);border-top:1px solid var(--line);
  padding:64px 0 0;overflow:hidden;
}
.footer-arc{
  position:absolute;right:-60px;top:-40px;width:340px;height:340px;
  opacity:.14;pointer-events:none;
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand__desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px}
.qr-box{
  display:flex;align-items:center;gap:12px;margin-top:20px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:12px 14px;
  max-width:220px;
}
.qr-box__code{
  width:56px;height:56px;border-radius:8px;flex:0 0 auto;
  background:
    repeating-linear-gradient(90deg,var(--text-1) 0 4px,transparent 4px 8px),
    repeating-linear-gradient(0deg,var(--text-1) 0 4px,var(--bg-3) 4px 8px);
  opacity:.75;
}
.qr-box span{font-size:13px;color:var(--text-3);line-height:1.6}
.footer-col h3{font-size:15px;margin-bottom:18px;color:var(--text-1)}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.85}
.footer-bottom{
  position:relative;z-index:2;margin-top:48px;padding:22px 0;
  border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--text-3);
}
.to-top{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist)}
.to-top-fixed{
  position:fixed;right:18px;bottom:18px;z-index:90;display:none;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-cat__inner{grid-template-columns:1fr;gap:36px;padding:52px 0 60px;min-height:0}
  .search{flex:0 1 240px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .note-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-block__inner{flex-direction:column;align-items:flex-start;padding:56px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .search{display:none}
  .nav-search-toggle,.hamburger{display:grid}
  .nav-actions .btn--primary{display:none}
  .section{padding:48px 0;scroll-margin-top:120px}
  .section__head{margin-bottom:28px}
  .section__head--split{flex-direction:column;align-items:flex-start;gap:14px}
  .scene-grid{grid-template-columns:1fr}
  .note-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .hero-cat__badge{left:auto;right:12px;bottom:-14px;padding:10px 14px}
  .steps{padding-left:36px}
  .steps::before{left:13px}
  .step__node{left:-36px;width:30px;height:30px;font-size:16px}
  .cta-block::before{width:64px}
  .cta-block__actions{width:100%}
  .cta-block__actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .to-top-fixed{display:grid}
}
@media (max-width:520px){
  .nav-top,.nav-top__inner{height:62px}
  .brand__name{font-size:19px}
  .hero-cat h1{font-size:clamp(26px,8vw,34px)}
  .hero-stats{gap:10px}
  .hero-stat{min-width:calc(50% - 5px);padding:10px 14px}
  .footer-grid{grid-template-columns:1fr}
  .table-hint{display:flex}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B1014;
  --bg-1:#121A20;
  --bg-2:#18232A;
  --bg-3:#1F2C34;
  --line:#26343D;
  --line-soft:rgba(255,255,255,.06);
  --brand:#00D68F;
  --brand-dim:#0B8F62;
  --brand-mist:rgba(0,214,143,.12);
  --accent:#FF6A2B;
  --accent-hi:#FF8347;
  --tier:#FFC53D;
  --text-1:#F2F7F5;
  --text-2:#A9B7B3;
  --text-3:#6E7C79;
  --paper:#F5F7F6;
  --ink:#16211F;
  --ink-2:#4E5C58;
  --ok:#00D68F;
  --warn:#FFC53D;
  --err:#FF4D4F;
  --focus:rgba(0,214,143,.45);
  --shadow-1:0 8px 24px rgba(0,0,0,.32);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-paper:16px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Inter",var(--font-cn);
  --font-en:"Inter",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  word-break:normal;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(28px,5vw,52px);font-weight:800;line-height:1.15;letter-spacing:.02em;}
h2{font-size:clamp(22px,3.4vw,36px);font-weight:700;line-height:1.25;}
h3{font-size:clamp(18px,2vw,24px);font-weight:600;line-height:1.4;}
h4{font-size:17px;font-weight:600;line-height:1.45;}
p{font-size:16px;line-height:1.85;color:var(--text-2);}
.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;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1281px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform 240ms var(--ease),background-color 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease),color 240ms var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#0B1014;}
.btn--primary:hover{background:var(--accent-hi);box-shadow:0 6px 18px rgba(255,106,43,.35);transform:translateY(-4px);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 3px 9px rgba(255,106,43,.2);}
.btn--outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn--outline:hover{background:var(--brand-mist);transform:translateY(-4px);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-4px);}
.btn--link{padding:0;min-height:0;background:none;color:var(--brand);text-decoration:underline;text-underline-offset:4px;border:0;}
.btn--link:hover{color:var(--accent-hi);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn--lg{min-height:48px;}
[disabled],.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge--brand{background:var(--brand-mist);color:var(--brand);}
.badge--accent{background:rgba(255,106,43,.12);color:var(--accent-hi);}
.badge--tier{background:rgba(255,197,61,.12);color:var(--tier);}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);font-size:13px;
  transition:border-color 240ms var(--ease),color 240ms var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;}
.header-top{background:rgba(11,16,20,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.header-top__inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{width:36px;height:36px;flex-shrink:0;}
.brand__text{display:flex;flex-direction:column;line-height:1.1;}
.brand__name{font-family:var(--font-num);font-size:20px;font-weight:700;letter-spacing:.04em;color:var(--text-1);}
.brand__sub{font-size:11px;color:var(--text-3);letter-spacing:.16em;}
.header-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:320px;height:44px;padding:0 14px;margin-left:auto;
  background:var(--bg-1);border:1px solid var(--line);border-radius:10px;
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--focus);}
.header-search svg{width:18px;height:18px;color:var(--text-3);flex-shrink:0;}
.header-search input{flex:1;min-width:0;background:none;border:0;font-size:14px;color:var(--text-1);}
.header-search input::placeholder{color:var(--text-3);}
.header-search input:focus{outline:none;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;color:var(--text-1);
  transition:border-color 240ms var(--ease),color 240ms var(--ease);
}
.burger:hover{border-color:var(--brand);color:var(--brand);}
.burger svg{width:20px;height:20px;}

.nav-channels{
  background:rgba(11,16,20,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-channels__inner{
  display:flex;align-items:center;gap:8px;height:50px;
  overflow-x:auto;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.nav-channels__inner::-webkit-scrollbar{display:none;}
.tab{
  position:relative;display:inline-flex;align-items:center;flex-shrink:0;
  padding:8px 16px;border-radius:999px;border:1px solid transparent;
  font-size:14px;color:var(--text-2);scroll-snap-align:start;
  transition:background-color 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
}
.tab:hover{background:var(--brand-mist);color:var(--text-1);}
.tab.is-active{background:rgba(0,214,143,.14);color:var(--brand);}
.tab.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;background:var(--brand);border-radius:2px;
}

/* ---------- 移动抽屉 ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;
  transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:200;
}
.overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);z-index:210;
  transform:translateX(100%);transition:transform 240ms var(--ease);
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-1);}
.drawer__close:hover{border-color:var(--brand);color:var(--brand);}
.drawer__search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:18px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
}
.drawer__search input{flex:1;min-width:0;background:none;border:0;font-size:14px;}
.drawer__search input:focus{outline:none;}
.drawer__label{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:10px;}
.drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer__nav a{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--text-2);border:1px solid transparent;
  transition:background-color 240ms var(--ease),color 240ms var(--ease);
}
.drawer__nav a:hover{background:var(--brand-mist);color:var(--brand);}
.drawer__nav a.is-active{background:var(--brand-mist);color:var(--brand);border-color:rgba(0,214,143,.3);}
.drawer .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:6px;}
.crumb a{color:var(--text-3);transition:color 240ms var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb span[aria-current]{color:var(--text-2);}
.crumb .sep{color:var(--line);}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:32px 0 56px;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(900px 420px at 82% -10%,rgba(0,214,143,.16),transparent 60%),
    radial-gradient(600px 380px at 8% 110%,rgba(255,106,43,.12),transparent 62%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
  opacity:.5;pointer-events:none;
}
.cat-hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.cat-hero__text .badge{margin-bottom:18px;}
.cat-hero h1{margin-bottom:18px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero__lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:560px;margin-bottom:26px;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.cat-hero__stats{display:flex;flex-wrap:wrap;gap:28px;}
.cat-hero__stats div{display:flex;flex-direction:column;gap:2px;}
.cat-hero__stats b{font-family:var(--font-num);font-size:30px;font-weight:600;line-height:1;color:var(--brand);}
.cat-hero__stats span{font-size:13px;color:var(--text-3);}
.cat-hero__media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--bg-2);
}
.cat-hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.cat-hero__media-cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(to top,rgba(11,16,20,.92),rgba(11,16,20,0));
  font-size:13px;color:var(--text-2);
}

/* ---------- 锚点 pills ---------- */
.anchor-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-1);}
.anchor-bar__inner{
  display:flex;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory;
}
.anchor-bar__inner::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:transparent;
  font-size:14px;color:var(--text-2);scroll-snap-align:start;
  transition:border-color 240ms var(--ease),color 240ms var(--ease),background-color 240ms var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section__head{max-width:760px;margin-bottom:44px;}
.section__head .badge{margin-bottom:14px;}
.section__head h2{margin-bottom:14px;}
.section__head p{font-size:16px;color:var(--text-2);}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 两列图文交错 ---------- */
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.zig-row + .zig-row{margin-top:72px;}
.zig-row:nth-child(even) .zig-media{order:2;}
.zig-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);background:var(--bg-2);
}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease);}
.zig-media:hover img{transform:scale(1.04);}
.zig-text h3{margin-bottom:14px;}
.zig-text p{margin-bottom:16px;}
.zig-list{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
.zig-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.75;}
.zig-list svg{width:20px;height:20px;flex-shrink:0;margin-top:5px;color:var(--brand);}
.zig-num{
  display:inline-block;font-family:var(--font-num);font-size:15px;font-weight:600;
  letter-spacing:.12em;color:var(--accent);margin-bottom:10px;
}

/* ---------- 功能卡矩阵 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;gap:14px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:24px;
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.card__icon{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-mist);color:var(--brand);border:1px solid rgba(0,214,143,.22);
}
.card__icon svg{width:24px;height:24px;}
.card h3{font-size:19px;}
.card p{font-size:15px;line-height:1.8;color:var(--text-2);}
.card__meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.card__meta svg{width:14px;height:14px;}

/* ---------- 对比表 ---------- */
.table-wrap{
  position:relative;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);overflow:hidden;box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;scrollbar-width:thin;}
.compare{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
.compare caption{
  text-align:left;padding:18px 24px 6px;font-size:13px;color:var(--text-3);
}
.compare thead th{
  background:var(--bg-3);border-bottom:3px solid var(--brand);
  padding:16px 20px;font-size:14px;font-weight:600;color:var(--text-1);text-align:center;
}
.compare thead th:first-child{text-align:left;}
.compare thead th.is-rec{
  background:rgba(255,106,43,.08);
  border-left:1px solid var(--accent);border-right:1px solid var(--accent);
}
.compare thead th.is-rec span{display:block;font-size:12px;font-weight:600;color:var(--accent-hi);margin-top:4px;}
.compare tbody td{
  padding:0 20px;height:56px;text-align:center;border-bottom:1px solid var(--line-soft);
  color:var(--text-2);font-size:14px;
}
.compare tbody td:first-child{text-align:left;font-size:15px;font-weight:600;color:var(--text-1);}
.compare tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
.compare tbody td.is-rec{background:rgba(255,106,43,.06);border-left:1px solid rgba(255,106,43,.4);border-right:1px solid rgba(255,106,43,.4);}
.ico-check{width:20px;height:20px;color:var(--brand);display:inline-block;vertical-align:middle;}
.ico-dash{display:inline-block;width:16px;height:2px;border-radius:2px;background:var(--text-3);vertical-align:middle;}
.table-hint{
  display:none;padding:10px 20px;font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line-soft);background:var(--bg-1);
}
.table-foot{padding:16px 24px;font-size:13px;line-height:1.8;color:var(--text-3);border-top:1px solid var(--line-soft);}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--brand-mist);border:1px solid rgba(0,214,143,.28);
  border-radius:var(--r-card);padding:20px 22px;
}
.notice svg{width:22px;height:22px;color:var(--brand);flex-shrink:0;margin-top:3px;}
.notice strong{display:block;font-size:16px;color:var(--text-1);margin-bottom:6px;}
.notice p{font-size:14px;color:var(--text-2);line-height:1.8;margin:0;}

/* ---------- 相关栏目卡 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.rel-card__cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.rel-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.rel-card:hover .rel-card__cover img{transform:scale(1.04);}
.rel-card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rel-card__body h3{font-size:19px;}
.rel-card__body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.rel-card__foot svg{width:16px;height:16px;color:var(--brand);}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;margin-top:64px;
  background-image:linear-gradient(90deg,rgba(11,16,20,.96),rgba(11,16,20,.72)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-block::before{
  content:"";position:absolute;left:-40px;top:0;bottom:0;width:160px;background:var(--accent);
  clip-path:polygon(0 0,100% 0,60% 100%,0 100%);opacity:.16;
}
.cta-block__inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center;
  padding:72px 0;
}
.cta-block h2{margin-bottom:12px;}
.cta-block p{font-size:16px;color:var(--text-2);max-width:600px;}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--bg-1);border-top:1px solid var(--line);padding:72px 0 0;overflow:hidden;margin-top:0;}
.footer-arc{position:absolute;right:-60px;top:-80px;width:360px;height:360px;opacity:.14;pointer-events:none;}
.footer-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--line-soft);
}
.footer-brand__desc{font-size:14px;line-height:1.8;color:var(--text-2);margin:16px 0 20px;max-width:340px;}
.qr-box{display:flex;align-items:center;gap:12px;}
.qr-box__code{
  width:64px;height:64px;border-radius:10px;border:1px solid var(--line);flex-shrink:0;
  background-image:
    repeating-linear-gradient(0deg,var(--text-3) 0 3px,transparent 3px 7px),
    repeating-linear-gradient(90deg,var(--text-3) 0 3px,transparent 3px 7px);
  background-blend-mode:multiply;opacity:.5;
}
.qr-box span{font-size:13px;color:var(--text-3);line-height:1.6;}
.footer-col h3{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--text-1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);text-underline-offset:4px;transition:color 240ms var(--ease);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;}
.footer-bottom{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 28px;font-size:13px;color:var(--text-3);flex-wrap:wrap;
}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:border-color 240ms var(--ease),color 240ms var(--ease),transform 240ms var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-4px);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .cat-hero__grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero__media{order:-1;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-block__inner{grid-template-columns:1fr;gap:24px;padding:56px 0;}
  .header-search{width:220px;}
  .zig-row{grid-template-columns:1fr;gap:28px;}
  .zig-row:nth-child(even) .zig-media{order:0;}
}
@media (max-width:768px){
  .header-search{display:none;}
  .burger{display:flex;}
  .header-actions .btn{display:none;}
  .nav-channels__inner{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    padding-left:4px;padding-right:4px;
  }
  .section{padding:48px 0;}
  .card-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .table-hint{display:block;}
  .compare{min-width:640px;}
  .compare tbody td{padding:0 14px;}
  .compare thead th{padding:14px;}
  .compare tbody td:first-child,.compare thead th:first-child{
    position:sticky;left:0;z-index:2;background:var(--bg-3);
  }
  .compare tbody tr:nth-child(even) td:first-child{background:#22303a;}
  .cta-block__actions{width:100%;}
  .cta-block__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .cat-hero{padding:20px 0 40px;}
  .cat-hero__actions .btn{width:100%;}
  .cat-hero__stats{gap:20px;}
  .cat-hero__stats b{font-size:26px;}
  .footer-brand__desc{max-width:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B1014;
  --bg-1:#121A20;
  --bg-2:#18232A;
  --bg-3:#1F2C34;
  --line:#26343D;
  --line-soft:rgba(255,255,255,.06);
  --brand:#00D68F;
  --brand-dim:#0B8F62;
  --brand-mist:rgba(0,214,143,.12);
  --accent:#FF6A2B;
  --accent-hi:#FF8347;
  --tier:#FFC53D;
  --text-1:#F2F7F5;
  --text-2:#A9B7B3;
  --text-3:#6E7C79;
  --paper:#F5F7F6;
  --ink:#16211F;
  --ink-2:#4E5C58;
  --ok:#00D68F;
  --warn:#FFC53D;
  --err:#FF4D4F;
  --focus:rgba(0,214,143,.45);
  --shadow-1:0 8px 24px rgba(0,0,0,.32);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-paper:16px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Inter",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  word-break:normal;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;overflow-wrap:anywhere;transition:color .24s var(--ease)}
a:hover{color:var(--accent-hi)}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:.02em}
h1{font-size:clamp(28px,5vw,52px);font-weight:800;line-height:1.15}
h2{font-size:clamp(22px,3.4vw,36px);font-weight:700;line-height:1.25}
h3{font-size:clamp(18px,2vw,24px);font-weight:600;line-height:1.4}
h4{font-size:17px;font-weight:600;line-height:1.45}
p{margin:0 0 20px;color:var(--text-2)}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-mist);color:var(--text-1)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1281px){.container{max-width:1280px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;transition:all .24s var(--ease);
  min-width:44px;text-align:center;
}
.btn--primary{background:var(--accent);color:#0B1014}
.btn--primary:hover{background:var(--accent-hi);color:#0B1014;box-shadow:0 6px 18px rgba(255,106,43,.35);transform:translateY(-2px)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,43,.22)}
.btn--outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--outline:hover{background:var(--brand-mist);color:var(--brand);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--text{height:auto;padding:0;color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.btn--text:hover{color:var(--accent-hi)}
.btn--lg{height:48px;padding:0 30px}
.btn--sm{height:32px;padding:0 16px;font-size:13px}
.btn--full{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* ===== 顶栏 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,16,20,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-top{height:68px}
.nav-top__inner{display:flex;align-items:center;gap:20px;height:100%}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1);flex-shrink:0}
.brand:hover{color:var(--text-1)}
.brand__mark{width:38px;height:38px;flex-shrink:0}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--font-num);font-size:20px;font-weight:700;letter-spacing:.06em}
.brand__sub{font-size:12px;color:var(--text-3);letter-spacing:.16em}
.search{flex:1;max-width:320px;margin-left:auto}
.search__form{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search__form:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.search__form svg{flex-shrink:0;color:var(--text-3)}
.search__form input{
  flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text-1);font-size:14px;
}
.search__form input::placeholder{color:var(--text-3)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;display:none;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-1);
  transition:all .24s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn)}
.burger:hover{border-color:var(--brand);color:var(--brand)}
.burger span{display:block;position:relative;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ===== 频道行 ===== */
.nav-channels{position:relative;background:var(--bg-0);border-bottom:1px solid var(--line);z-index:50}
.nav-channels__inner{display:flex;align-items:center;gap:8px;height:52px}
.tab{
  position:relative;display:inline-flex;align-items:center;
  height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid transparent;
  transition:all .24s var(--ease);white-space:nowrap;
}
.tab:hover{background:var(--brand-mist);color:var(--brand)}
.tab.is-active{background:rgba(0,214,143,.14);color:var(--brand);font-weight:600}
.tab.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-10px;height:2px;background:var(--brand);border-radius:2px}

/* ===== 抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s var(--ease);
  z-index:90;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-1)}
.drawer__close:hover{border-color:var(--brand);color:var(--brand)}
.drawer__search{margin-bottom:18px}
.drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer__nav a{padding:12px 14px;border-radius:var(--r-btn);color:var(--text-2);font-size:15px}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-mist);color:var(--brand)}
.drawer__cta{display:block}

/* ===== 面包屑 ===== */
.crumb-bar{border-bottom:1px solid var(--line-soft);background:var(--bg-0)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:14px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb span[aria-current]{color:var(--text-2)}

/* ===== 分类 Hero ===== */
.page-hero{position:relative;overflow:hidden;background:var(--bg-1);border-bottom:1px solid var(--line)}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.22;
}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,var(--bg-0) 8%,rgba(11,16,20,.72) 52%,rgba(11,16,20,.35) 100%)}
.page-hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:396px;padding-top:56px;padding-bottom:56px}
.page-hero__text{max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;margin-bottom:16px;
  border-radius:999px;background:var(--brand-mist);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.08em;
}
.page-hero h1{margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--text-2);
}
.hero-points li svg{color:var(--brand);flex-shrink:0}
.page-hero__media{position:relative}
.page-hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.page-hero__media figcaption{margin-top:12px;font-size:13px;color:var(--text-3)}

/* ===== 锚点条 ===== */
.anchor-bar{background:var(--bg-0);border-bottom:1px solid var(--line-soft)}
.anchor-bar__inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-bar__label{font-size:13px;color:var(--text-3);flex-shrink:0;letter-spacing:.08em}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:all .24s var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist)}

/* ===== 区块 ===== */
.section{padding:88px 0}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section__head{max-width:760px;margin-bottom:40px}
.section__head h2{margin-bottom:14px}
.section__head p{margin:0;font-size:16px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ===== 等级卡 ===== */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.tier-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.tier-card--rec{border-color:var(--accent);box-shadow:var(--shadow-2);transform:scale(1.03)}
.tier-card--rec:hover{transform:scale(1.03) translateY(-4px)}
.tier-flag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;margin-bottom:14px;width:fit-content;
}
.tier-flag--b{background:var(--brand-mist);color:var(--brand)}
.tier-flag--a{background:rgba(255,106,43,.14);color:var(--accent-hi)}
.tier-flag--t{background:rgba(255,197,61,.14);color:var(--tier)}
.tier-rec{
  position:absolute;top:0;right:0;padding:6px 16px 6px 14px;background:var(--accent);color:#0B1014;
  font-size:12px;font-weight:700;letter-spacing:.1em;
  clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
  border-top-right-radius:13px;
}
.tier-card__name{margin-bottom:6px}
.tier-card__num{
  font-family:var(--font-num);font-size:40px;font-weight:600;line-height:1.1;
  color:var(--text-1);letter-spacing:.02em;margin-bottom:4px;
}
.tier-card__cond{font-size:13px;color:var(--text-3);margin:0 0 18px}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.tier-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.6}
.tier-list li svg{flex-shrink:0;margin-top:5px;color:var(--brand)}
.tier-card__foot{margin-top:auto}

/* ===== 对比表 ===== */
.table-wrap{
  position:relative;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);box-shadow:var(--shadow-1);-webkit-overflow-scrolling:touch;
}
.compare-table{width:100%;min-width:760px;border-collapse:collapse}
.compare-table thead th{
  position:relative;background:var(--bg-3);color:var(--text-1);
  font-size:15px;font-weight:600;padding:16px 18px;text-align:center;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table thead th:first-child{text-align:left}
.compare-table thead::before{content:""}
.compare-table thead th::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand);opacity:0}
.compare-table thead th:first-child::after{opacity:1}
.compare-table th.is-featured,.compare-table td.is-featured{
  background:rgba(255,106,43,.06);
  border-left:1px solid var(--accent);border-right:1px solid var(--accent);
}
.compare-table tbody td{
  padding:0 18px;height:56px;text-align:center;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);
}
.compare-table tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody td:first-child{text-align:left;font-weight:600;color:var(--text-1)}
.ic-check{color:var(--brand);vertical-align:middle}
.ic-none{display:inline-block;width:14px;height:2px;border-radius:2px;background:var(--text-3);vertical-align:middle}
.table-footnote{margin-top:14px;font-size:13px;color:var(--text-3)}
.table-hint{display:none;font-size:13px;color:var(--text-3);margin-top:10px}

/* ===== 浅纸面 ===== */
.paper-panel{
  background:var(--paper);color:var(--ink);border-radius:var(--r-paper);
  padding:44px 48px;box-shadow:var(--shadow-2);
}
.paper-panel h2{color:var(--ink)}
.paper-panel p{color:var(--ink-2)}
.paper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.paper-item{background:#fff;border:1px solid #E1E6E4;border-radius:12px;padding:22px}
.paper-item h4{color:var(--ink);margin-bottom:8px}
.paper-item p{color:var(--ink-2);font-size:15px;margin:0;line-height:1.75}
.paper-note{
  display:flex;gap:10px;align-items:flex-start;margin-top:26px;padding:14px 16px;
  background:rgba(0,214,143,.1);border-radius:10px;font-size:14px;color:var(--ink);
}
.paper-note svg{flex-shrink:0;margin-top:2px;color:var(--brand-dim)}

/* ===== 答疑 ===== */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.qa-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.qa-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.qa-card h3{font-size:17px;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.qa-card h3 svg{flex-shrink:0;margin-top:4px;color:var(--brand)}
.qa-card p{margin:0;font-size:15px;line-height:1.8}

/* ===== 相关栏目 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.rel-card__cover{aspect-ratio:16/9;overflow:hidden}
.rel-card__cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .42s var(--ease)}
.rel-card:hover .rel-card__cover img{transform:scale(1.04)}
.rel-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card__body h3{font-size:18px}
.rel-card__body p{margin:0;font-size:14px;line-height:1.7}
.rel-card__meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;width:fit-content;
}
.badge--b{background:var(--brand-mist);color:var(--brand)}
.badge--a{background:rgba(255,106,43,.14);color:var(--accent-hi)}
.badge--t{background:rgba(255,197,61,.14);color:var(--tier)}

/* ===== CTA ===== */
.cta-band{position:relative;overflow:hidden;background:var(--bg-0);border-top:1px solid var(--line);padding:72px 0}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,20,.94),rgba(11,16,20,.7) 60%,rgba(11,16,20,.5))}
.cta-band__slash{
  position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--accent);
  clip-path:polygon(0 0,100% 0,40% 100%,0 100%);
}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-band h2{margin-bottom:12px}
.cta-band p{margin:0;max-width:600px;font-size:16px}
.cta-band__actions{display:flex;gap:12px;flex-shrink:0}

/* ===== 页脚 ===== */
.site-footer{position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0}
.footer-arc{position:absolute;top:-140px;right:-60px;width:340px;height:340px;opacity:.14;pointer-events:none}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand__desc{font-size:14px;color:var(--text-2);margin:16px 0 20px;line-height:1.75;max-width:340px}
.qr-box{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);line-height:1.5}
.qr-box__code{
  width:64px;height:64px;border-radius:10px;border:1px solid var(--line);
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 4px,rgba(255,255,255,0) 4px 8px),
    var(--bg-2);
}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);text-underline-offset:4px}
.footer-col a:hover{color:var(--brand);text-decoration:underline}
.footer-col p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75}
.footer-bottom{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 26px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3);
}
.to-top{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line);color:var(--text-2);
  transition:all .24s var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .section{padding:64px 0}
  .page-hero__inner{grid-template-columns:1fr;min-height:0;gap:32px}
  .page-hero__media{order:-1}
  .tier-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .paper-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .search{display:none}
  .search.is-open{
    display:block;position:fixed;left:0;right:0;top:68px;z-index:70;
    max-width:none;padding:12px 16px;background:var(--bg-0);border-bottom:1px solid var(--line);
  }
  .search.is-open .search__form{max-width:none}
  .icon-btn,.burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn--primary{display:none}
  .nav-channels__inner{
    overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;padding:0 16px;
  }
  .nav-channels__inner::-webkit-scrollbar{display:none}
  .tab{scroll-snap-align:start}
  .nav-channels::after{
    content:"";position:absolute;right:0;top:0;bottom:1px;width:24px;pointer-events:none;
    background:linear-gradient(90deg,rgba(11,16,20,0),rgba(11,16,20,.95));
  }
  .page-hero h1{font-size:clamp(24px,6.4vw,34px)}
  .hero-actions .btn{width:100%}
  .tier-grid{grid-template-columns:1fr}
  .tier-card--rec{transform:none;border-top:2px solid var(--accent)}
  .tier-card--rec:hover{transform:translateY(-4px)}
  .qa-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .paper-panel{padding:28px 20px}
  .paper-grid{grid-template-columns:1fr}
  .table-hint{display:block}
  .compare-table thead th:first-child,
  .compare-table tbody td:first-child{
    position:sticky;left:0;z-index:2;background:var(--bg-3);
  }
  .compare-table tbody tr:nth-child(even) td:first-child{background:var(--bg-3)}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .nav-top{height:60px}
  .brand__name{font-size:18px}
  .tier-card__num{font-size:34px}
  .footer-grid{grid-template-columns:1fr}
  .to-top{position:fixed;right:16px;bottom:16px;z-index:55;background:var(--bg-2);box-shadow:var(--shadow-1)}
}

/* roulang page: category4 */
:root{
  --bg-0:#0B1014;
  --bg-1:#121A20;
  --bg-2:#18232A;
  --bg-3:#1F2C34;
  --line:#26343D;
  --line-soft:rgba(255,255,255,.06);
  --brand:#00D68F;
  --brand-dim:#0B8F62;
  --brand-mist:rgba(0,214,143,.12);
  --accent:#FF6A2B;
  --accent-hi:#FF8347;
  --tier:#FFC53D;
  --text-1:#F2F7F5;
  --text-2:#A9B7B3;
  --text-3:#6E7C79;
  --paper:#F5F7F6;
  --ink:#16211F;
  --ink-2:#4E5C58;
  --ok:#00D68F;
  --warn:#FFC53D;
  --err:#FF4D4F;
  --focus:rgba(0,214,143,.45);
  --shadow-1:0 8px 24px rgba(0,0,0,.32);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Inter",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  word-break:normal;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;overflow-wrap:anywhere;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1281px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,16,20,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-top__inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:6px 4px;
  border-radius:var(--r-btn);
  transition:opacity .2s var(--ease);
}
.brand:hover{opacity:.86;}
.brand__mark{width:38px;height:38px;flex:0 0 auto;}
.brand__text{display:flex;flex-direction:column;line-height:1.1;}
.brand__name{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text-1);
}
.brand__sub{
  font-size:11px;
  letter-spacing:.34em;
  color:var(--brand);
  margin-top:2px;
}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:320px;
  height:44px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:0 12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--focus);
}
.nav-search__icon{width:18px;height:18px;color:var(--text-3);flex:0 0 auto;}
.nav-search__input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  padding:0 8px;
  min-width:0;
}
.nav-search__input::placeholder{color:var(--text-3);}

.nav-top__actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}
.hamburger{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.hamburger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--text-1);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.hamburger:hover{border-color:var(--brand);background:var(--brand-mist);}

/* 频道行 */
.nav-channels{
  border-top:1px solid var(--line-soft);
  background:rgba(18,26,32,.6);
  position:relative;
  z-index:50;
}
.nav-channels__inner{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-channels__inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.tab:hover{background:var(--brand-mist);color:var(--text-1);}
.tab.is-active{
  background:rgba(0,214,143,.14);
  color:var(--brand);
  border-color:rgba(0,214,143,.34);
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  z-index:90;
  opacity:0;
  pointer-events:none;
  transition:opacity .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:280px;
  max-width:86vw;
  height:100%;
  background:var(--bg-1);
  border-left:1px solid var(--line);
  z-index:100;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line-soft);
}
.drawer__title{font-size:15px;font-weight:600;color:var(--text-1);}
.drawer__close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer__close:hover{border-color:var(--brand);color:var(--brand);}
.drawer__nav{display:flex;flex-direction:column;gap:6px;margin:18px 0;flex:1 1 auto;}
.drawer__nav a{
  padding:12px 14px;
  border-radius:var(--r-btn);
  font-size:15px;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-mist);color:var(--brand);}
.drawer__note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
}
.btn--primary{background:var(--accent);color:#0B1014;}
.btn--primary:hover{background:var(--accent-hi);box-shadow:0 6px 18px rgba(255,106,43,.35);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 3px 9px rgba(255,106,43,.22);}
.btn--secondary{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn--secondary:hover{background:var(--brand-mist);transform:translateY(-2px);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--text{
  height:auto;
  padding:0;
  color:var(--brand);
  border:0;
  text-decoration:underline;
  text-underline-offset:4px;
  font-size:14px;
}
.btn--text:hover{color:var(--brand-dim);}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.btn--lg{height:48px;padding:0 28px;font-size:16px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
}
.breadcrumb__list a{color:var(--text-3);transition:color .2s var(--ease);}
.breadcrumb__list a:hover{color:var(--brand);}
.breadcrumb__sep{color:var(--line);}
.breadcrumb__current{color:var(--text-2);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:48px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(0,214,143,.10),transparent 62%),
    linear-gradient(180deg,var(--bg-1),var(--bg-0));
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
  opacity:.5;
  pointer-events:none;
}
.cat-hero__arc{
  position:absolute;
  right:-70px;
  top:-40px;
  width:420px;
  height:420px;
  opacity:.16;
  pointer-events:none;
}
.cat-hero__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.25fr .85fr;
  gap:48px;
  align-items:center;
}
.cat-hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-mist);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.cat-hero h1{
  margin:18px 0 16px;
  font-size:clamp(28px,4.4vw,46px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:.02em;
}
.cat-hero__lead{
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
}
.cat-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:26px;
}
.cat-hero__stat{display:flex;align-items:baseline;gap:8px;}
.cat-hero__stat b{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:600;
  color:var(--brand);
  line-height:1;
}
.cat-hero__stat span{font-size:14px;color:var(--text-3);}
.cat-hero__figure{position:relative;}
.cat-hero__figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.cat-hero__figure figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
}

/* 锚点 pills */
.anchor-bar{border-bottom:1px solid var(--line-soft);background:var(--bg-1);}
.anchor-bar__inner{
  display:flex;
  align-items:center;
  gap:10px;
  height:62px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar__inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-2);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist);}

/* ============ 板块通用 ============ */
.section{padding:80px 0;}
.section--compact{padding:64px 0;}
.section--paper{background:var(--paper);color:var(--ink);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head__tag{
  display:inline-block;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--brand);
  font-weight:600;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(22px,3.2vw,34px);
  font-weight:700;
  line-height:1.28;
}
.section-head p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.section--paper .section-head h2{color:var(--ink);}
.section--paper .section-head p{color:var(--ink-2);}

/* ============ FAQ 手风琴 ============ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item:first-child{border-top:1px solid var(--line-soft);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  line-height:1.55;
  color:var(--text-1);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:32px;
  height:32px;
  border:1px solid var(--line);
  border-radius:50%;
  transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq-icon::before{width:12px;height:1.5px;}
.faq-icon::after{width:1.5px;height:12px;transition:opacity .26s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand);background:var(--brand-mist);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a__inner{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:72ch;
}
.faq-a__inner p + p{margin-top:14px;}
.faq-a__inner strong{color:var(--text-1);font-weight:600;}

/* ============ 安全核对要点 ============ */
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.check-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.check-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.check-card__num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:600;
  line-height:1;
  color:var(--brand);
  opacity:.85;
}
.check-card h3{
  margin:14px 0 10px;
  font-size:19px;
  font-weight:600;
  color:var(--text-1);
}
.check-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);}
.check-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.check-card li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.check-card li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:12px;height:7px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* ============ 表单 ============ */
.form-panel{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px;
  box-shadow:var(--shadow-1);
}
.form-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:start;
}
.form-note h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;}
.form-note p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2);}
.form-note ul{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.form-note li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
}
.form-note li svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;color:var(--brand);}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--text-2);}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:0 14px;
  height:48px;
  font-size:15px;
  color:var(--text-1);
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{
  height:120px;
  padding:12px 14px;
  resize:vertical;
  line-height:1.7;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--focus);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--err);}
.field__error{font-size:13px;color:var(--err);margin-top:6px;min-height:0;}
.form-actions{
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:4px;
}
.form-hint{font-size:13px;color:var(--text-3);}
.form-alert{
  grid-column:1 / -1;
  display:none;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  border-radius:var(--r-btn);
  background:rgba(0,214,143,.12);
  color:var(--ok);
  font-size:14px;
}
.form-alert.is-visible{display:flex;}
.form-alert svg{width:18px;height:18px;flex:0 0 auto;}

/* ============ 相关分类卡 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.card__media{
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:0;
}
.card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transform:scale(1.02);
  transition:transform .42s var(--ease);
}
.card:hover .card__media img{transform:scale(1.06);}
.card__body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:var(--brand-mist);
  color:var(--brand);
}
.badge--accent{background:rgba(255,106,43,.12);color:var(--accent);}
.card__title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .22s var(--ease);
}
.card:hover .card__title{color:var(--brand);}
.card__desc{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
}
.card__meta svg{width:14px;height:14px;stroke-width:1.75;}

/* ============ CTA ============ */
.cta-block{
  position:relative;
  overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(11,16,20,.96) 34%,rgba(11,16,20,.72) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--line-soft);
  padding:80px 0;
}
.cta-block::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:8px;
  height:100%;
  background:linear-gradient(180deg,var(--accent),rgba(255,106,43,.1));
  clip-path:polygon(0 0,100% 6%,100% 94%,0 100%);
}
.cta-block__inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-block h2{
  font-size:clamp(22px,3.2vw,34px);
  font-weight:700;
  line-height:1.28;
}
.cta-block p{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  max-width:620px;
}
.cta-block__actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  overflow:hidden;
}
.footer-arc{
  position:absolute;
  right:-40px;
  top:-120px;
  width:320px;
  height:320px;
  opacity:.12;
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand__desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col li a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;line-height:1.85;color:var(--text-2);}
.qr-box{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:20px;
}
.qr-box__code{
  width:64px;
  height:64px;
  border-radius:10px;
  border:1px solid var(--line);
  background:
    repeating-linear-gradient(0deg,rgba(255,255,255,.22) 0 3px,transparent 3px 6px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 3px,transparent 3px 6px),
    var(--bg-2);
}
.qr-box span{font-size:13px;line-height:1.6;color:var(--text-3);}
.footer-bottom{
  position:relative;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--line-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.to-top{
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--text-2);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-search{width:240px;}
  .cat-hero__inner{grid-template-columns:1fr;gap:32px;}
  .cat-hero{height:auto;padding:40px 0 48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .card-grid{grid-template-columns:1fr 1fr;}
  .form-layout{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:768px){
  .nav-search{display:none;}
  .hamburger{display:flex;}
  .nav-cta{display:none;}
  .nav-channels__inner{
    height:50px;
    padding-left:16px;
    padding-right:16px;
    mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
  }
  .section{padding:56px 0;}
  .section--compact{padding:48px 0;}
  .check-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .form-panel{padding:24px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-block{padding:64px 0;}
  .cta-block__inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .cta-block__actions{width:100%;}
  .cta-block__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero__stat b{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;gap:14px;}
  .btn{width:100%;}
  .nav-cta,.btn--sm{width:auto;}
}