/* roulang page: index */
:root{
  --ink-900:#14101F;
  --ink-800:#1C1730;
  --ink-700:#2A2342;
  --paper:#F7F4EF;
  --text-dark:#221C33;
  --text-light:#ECE9F5;
  --text-muted:#A9A2BE;
  --brand-500:#FF6B3D;
  --brand-600:#E24E22;
  --aurora-400:#3FD3C6;
  --gold-300:#FFC96B;
  --line-dark:rgba(255,255,255,.08);
  --line-light:rgba(34,28,51,.08);
  --shadow-1:0 8px 24px rgba(20,16,31,.28);
  --shadow-2:0 24px 60px rgba(20,16,31,.45);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-light);
  background-color:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--aurora-400);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--gold-300);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--aurora-400);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px);}
.num{font-variant-numeric:tabular-nums;}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--ink-900);
  border-bottom:1px solid var(--line-dark);
  font-size:13px;
  color:var(--text-muted);
}
.topbar .container-x{
  min-height:38px;
  display:flex;align-items:center;gap:16px;justify-content:space-between;
}
.topbar-domain{color:var(--aurora-400);letter-spacing:.04em;font-weight:600;white-space:nowrap;}
.topbar-note{flex:1;text-align:center;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-note i{color:var(--gold-300);margin-right:6px;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.topbar-link{color:var(--text-light);font-size:13px;}
.topbar-link:hover{color:var(--aurora-400);text-decoration:none;}
.btn-mini{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 14px;border-radius:999px;
  background:var(--brand-500);color:#fff;font-size:12px;font-weight:600;
  border:0;transition:background .18s ease,transform .18s ease;
}
.btn-mini:hover{background:var(--brand-600);color:#fff;text-decoration:none;transform:translateY(-1px);}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(20,16,31,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease,background .22s ease;
  backdrop-filter:saturate(140%) blur(6px);
}
.site-header.is-stuck{border-bottom-color:var(--line-dark);box-shadow:var(--shadow-1);}
.nav-shell{
  display:flex;align-items:center;gap:24px;
  min-height:74px;
  padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25;}
.brand-name{
  font-size:19px;font-weight:700;color:var(--text-light);letter-spacing:.02em;
  display:inline-flex;align-items:center;gap:8px;
}
.brand-name:hover{color:var(--text-light);text-decoration:none;}
.brand-name .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-500);box-shadow:0 0 0 4px rgba(255,107,61,.16);
}
.brand-sub{font-size:12px;color:var(--text-muted);letter-spacing:.06em;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link-x{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 16px;border-radius:999px;
  color:var(--text-light);font-size:15px;font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.nav-link-x:hover{color:var(--aurora-400);background:rgba(63,211,198,.08);text-decoration:none;}
.nav-link-x.active{color:#fff;background:rgba(255,107,61,.14);}
.nav-link-x.active::after{
  content:"";position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand-500);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:12px;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-light);background:transparent;
  border:1px solid var(--line-dark);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{color:var(--aurora-400);border-color:rgba(63,211,198,.5);background:rgba(63,211,198,.08);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 28px;border-radius:999px;
  background:var(--brand-500);color:#fff;font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{
  background:var(--brand-600);color:#fff;text-decoration:none;
  transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,107,61,.35);
}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:999px;
  background:transparent;color:var(--text-light);font-size:15px;font-weight:600;
  border:1px solid rgba(236,233,245,.28);
  transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{
  color:var(--aurora-400);border-color:var(--aurora-400);
  background:rgba(63,211,198,.08);text-decoration:none;transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.nav-toggle{display:none;}

/* offcanvas 移动导航 */
.offcanvas-x{background:var(--ink-800);color:var(--text-light);border-left:1px solid var(--line-dark);}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:18px 20px;}
.offcanvas-x .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8;}
.offcanvas-body-x{padding:16px 20px 28px;}
.m-nav-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:14px;
  color:var(--text-light);font-size:16px;font-weight:500;
  border:1px solid transparent;
}
.m-nav-link:hover,.m-nav-link.active{
  color:var(--aurora-400);background:rgba(63,211,198,.08);
  border-color:rgba(63,211,198,.35);text-decoration:none;
}
.m-nav-link i{font-size:14px;opacity:.7;}
.m-cta{margin-top:18px;width:100%;}

/* ===== 星点背景 ===== */
.starfield{position:relative;overflow:hidden;}
.starfield::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.75;
  background-image:
    radial-gradient(2px 2px at 8% 18%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(2px 2px at 24% 62%,rgba(255,201,107,.55),transparent 60%),
    radial-gradient(1.5px 1.5px at 41% 28%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(2px 2px at 58% 74%,rgba(63,211,198,.5),transparent 60%),
    radial-gradient(1.5px 1.5px at 72% 22%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(2px 2px at 86% 58%,rgba(255,201,107,.42),transparent 60%),
    radial-gradient(1.5px 1.5px at 94% 36%,rgba(255,255,255,.36),transparent 60%);
}
.starfield > *{position:relative;z-index:1;}

/* ===== Hero ===== */
.hero{
  padding:clamp(48px,7vw,92px) 0 clamp(48px,6vw,84px);
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(63,211,198,.14),transparent 60%),
    radial-gradient(100% 80% at 88% 10%,rgba(255,107,61,.16),transparent 62%),
    linear-gradient(180deg,#1A1529 0%,#14101F 100%);
  border-bottom:1px solid var(--line-dark);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 16px;border-radius:999px;
  background:rgba(63,211,198,.1);
  border:1px solid rgba(63,211,198,.32);
  color:var(--aurora-400);font-size:12px;letter-spacing:.06em;font-weight:600;
  margin-bottom:22px;
}
.hero-eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora-400);
  box-shadow:0 0 0 4px rgba(63,211,198,.16);
}
.hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.2;font-weight:700;
  color:#fff;margin-bottom:18px;
}
.hero h1 .hl{color:var(--brand-500);}
.hero-sub{
  font-size:clamp(15px,1.6vw,17px);color:#CFC9E0;line-height:1.85;max-width:34em;
  margin-bottom:26px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;border-radius:999px;
  background:rgba(63,211,198,.12);
  color:var(--aurora-400);font-size:13px;font-weight:600;
  border:1px solid rgba(63,211,198,.2);
}
.badge-data::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora-400);
}
.badge-data b{font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{position:relative;}
.hero-figure .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-dark);
  box-shadow:var(--shadow-2);
  background:var(--ink-700);
  aspect-ratio:4/3;
}
.hero-figure .frame img{width:100%;height:100%;object-fit:cover;}
.hero-figure .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(20,16,31,.05),rgba(20,16,31,.72));
}
.hero-float{
  position:absolute;right:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(20,16,31,.82);
  border:1px solid rgba(255,201,107,.45);
  color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero-float b{color:var(--gold-300);font-variant-numeric:tabular-nums;}

/* ===== 通用板块 ===== */
.section{padding:clamp(52px,7vw,92px) 0;}
.section-paper{background:var(--paper);color:var(--text-dark);}
.section-paper h2,.section-paper h3{color:var(--text-dark);}
.section-paper p{color:#4A4360;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:clamp(24px,3vw,40px);}
.section-title{
  position:relative;
  font-size:clamp(24px,2.6vw,30px);line-height:1.3;font-weight:700;
  padding-left:16px;margin-bottom:10px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:var(--brand-500);
}
.section-desc{font-size:15px;color:var(--text-muted);max-width:52em;}
.section-paper .section-desc{color:#5D5573;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--aurora-400);
}
.section-paper .link-more{color:#1F8F87;}
.link-more:hover{color:var(--gold-300);text-decoration:none;}
.section-paper .link-more:hover{color:var(--brand-600);}

/* ===== 专题目录 ===== */
.catalog-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.cat-card{
  position:relative;display:flex;flex-direction:column;gap:10px;
  padding:24px;border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line-light);
  box-shadow:0 6px 18px rgba(34,28,51,.05);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  color:var(--text-dark);
  min-height:100%;
}
.cat-card:hover{
  transform:translateY(-4px);border-color:rgba(63,211,198,.6);
  box-shadow:0 20px 44px rgba(34,28,51,.14);text-decoration:none;
}
.cat-card.featured{
  grid-column:span 2;grid-row:span 2;
  padding:30px;
  background:linear-gradient(150deg,#221B36 0%,#14101F 100%);
  color:var(--text-light);border-color:rgba(255,255,255,.1);
  justify-content:flex-end;
}
.cat-card.featured::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-md);pointer-events:none;
  background:radial-gradient(80% 70% at 82% 12%,rgba(255,107,61,.24),transparent 62%);
}
.cat-card.featured > *{position:relative;z-index:1;}
.cat-num{
  align-self:flex-start;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--gold-300);border:1px solid rgba(255,201,107,.55);
  font-variant-numeric:tabular-nums;
}
.cat-card h3{font-size:20px;line-height:1.4;font-weight:700;}
.cat-card.featured h3{font-size:clamp(22px,2.2vw,26px);color:#fff;}
.cat-card p{font-size:14px;line-height:1.7;color:#5D5573;margin:0;}
.cat-card.featured p{color:#C9C3DC;font-size:15px;}
.cat-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;}
.cat-count{
  font-size:12px;letter-spacing:.04em;color:#7C7496;
  display:inline-flex;align-items:center;gap:6px;
}
.cat-count::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora-400);}
.cat-card.featured .cat-count{color:var(--aurora-400);}
.cat-arrow{color:var(--brand-500);font-size:16px;transition:transform .18s ease;}
.cat-card:hover .cat-arrow{transform:translateX(4px);}

/* ===== 精选条目 ===== */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.feature-main{
  position:relative;display:block;border-radius:var(--r-md);overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line-dark);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  min-height:100%;
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(63,211,198,.5);text-decoration:none;}
.feature-main .pic{position:relative;aspect-ratio:16/9;overflow:hidden;}
.feature-main .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feature-main:hover .pic img{transform:scale(1.04);}
.feature-main .pic::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,31,.05) 30%,rgba(20,16,31,.9));
}
.feature-body{padding:22px 24px 26px;}
.chip{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  color:var(--aurora-400);
  border:1px solid rgba(63,211,198,.45);
  background:transparent;
}
.chip:hover{background:rgba(63,211,198,.16);color:var(--aurora-400);text-decoration:none;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.feature-main h3{font-size:clamp(20px,2.1vw,24px);line-height:1.45;color:#fff;margin:14px 0 10px;}
.feature-main p{font-size:14px;color:#B9B3CC;margin:0 0 14px;}
.meta-row{
  display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-muted);
  font-variant-numeric:tabular-nums;
}
.meta-row i{font-size:13px;margin-right:4px;opacity:.8;}
.side-list{display:flex;flex-direction:column;gap:16px;}
.side-item{
  display:flex;gap:14px;padding:16px;border-radius:var(--r-sm);
  background:var(--ink-800);border:1px solid var(--line-dark);
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out;
  color:var(--text-light);
}
.side-item:hover{
  transform:translateY(-3px);border-color:rgba(63,211,198,.5);
  background:var(--ink-700);text-decoration:none;
}
.side-item .thumb{
  width:96px;flex:0 0 96px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line-dark);
}
.side-item .thumb img{width:100%;height:100%;object-fit:cover;}
.side-item h4{
  font-size:15px;line-height:1.5;color:#fff;font-weight:600;margin:2px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-item .meta-row{font-size:12px;gap:10px;}

/* ===== 最新信息 ===== */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-light);
  background:var(--ink-800);border:1px solid var(--line-dark);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.filter-chip:hover,.filter-chip.active{
  color:var(--aurora-400);border-color:rgba(63,211,198,.55);
  background:rgba(63,211,198,.1);text-decoration:none;
}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--ink-800);border:1px solid var(--line-dark);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.5);box-shadow:var(--shadow-2);}
.post-card .pic{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.post-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .pic img{transform:scale(1.05);}
.post-card .pic .chip{position:absolute;left:14px;top:14px;background:rgba(20,16,31,.82);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{
  font-size:17px;line-height:1.55;color:#fff;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card h3 a{color:#fff;}
.post-card h3 a:hover{color:var(--aurora-400);text-decoration:none;}
.post-card p{
  font-size:14px;line-height:1.75;color:#A9A2BE;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--text-muted);
}
.post-foot .read{
  font-size:13px;font-weight:600;color:var(--aurora-400);display:inline-flex;align-items:center;gap:5px;
}
.post-foot .read:hover{color:var(--gold-300);text-decoration:none;}
.empty-box{
  padding:56px 28px;border-radius:var(--r-md);text-align:center;
  background:var(--ink-800);border:1px dashed rgba(63,211,198,.5);
}
.empty-box i{font-size:30px;color:var(--aurora-400);display:block;margin-bottom:14px;}
.empty-box p{color:var(--text-muted);margin-bottom:20px;font-size:15px;}

/* ===== 横向推荐 ===== */
.scroll-wrap{position:relative;}
.scroll-track{
  display:flex;gap:18px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(63,211,198,.4) transparent;
}
.scroll-track::-webkit-scrollbar{height:6px;}
.scroll-track::-webkit-scrollbar-thumb{background:rgba(63,211,198,.35);border-radius:99px;}
.scroll-track::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:99px;}
.mini-card{
  flex:0 0 268px;scroll-snap-align:start;
  border-radius:var(--r-sm);overflow:hidden;
  background:var(--ink-800);border:1px solid var(--line-dark);
  transition:transform .18s ease-out,border-color .18s ease-out;
  color:var(--text-light);
}
.mini-card:hover{transform:translateY(-3px);border-color:rgba(63,211,198,.5);text-decoration:none;}
.mini-card .pic{aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.mini-card .pic img{width:100%;height:100%;object-fit:cover;}
.mini-card .body{padding:16px 18px 18px;}
.mini-card h4{
  font-size:15px;line-height:1.5;color:#fff;font-weight:600;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-card .meta-row{font-size:12px;}
.scroll-fade{
  position:absolute;right:0;top:0;bottom:14px;width:88px;pointer-events:none;
  background:linear-gradient(90deg,rgba(20,16,31,0),rgba(20,16,31,.95));
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}

/* ===== CTA ===== */
.cta-band{
  border-radius:var(--r-lg);
  padding:clamp(28px,4.4vw,52px);
  background:linear-gradient(135deg,#FF6B3D 0%,#B8471F 42%,#14101F 100%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(2px 2px at 14% 24%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(2px 2px at 46% 76%,rgba(255,255,255,.5),transparent 60%),
    radial-gradient(2px 2px at 78% 30%,rgba(255,255,255,.55),transparent 60%);
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:0;max-width:38em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-actions .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.14);color:#fff;}
.cta-note{
  margin-top:20px;font-size:13px;color:rgba(255,255,255,.68);
  display:flex;align-items:center;gap:8px;
}

/* ===== FAQ ===== */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-x .accordion-item{
  background:var(--ink-800);
  border:1px solid var(--line-dark);
  border-radius:20px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .18s ease,background .18s ease;
}
.accordion-x .accordion-item:hover{border-color:rgba(63,211,198,.35);}
.accordion-x .accordion-button{
  background:transparent;color:var(--text-light);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 22px;box-shadow:none;border-radius:20px;
  display:flex;align-items:center;gap:16px;
}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--aurora-400);background:transparent;
  box-shadow:inset 3px 0 0 var(--aurora-400);
}
.accordion-x .accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-x .accordion-button::after{
  content:"+";background-image:none;
  width:28px;height:28px;flex:0 0 28px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;line-height:1;font-weight:600;
  color:var(--aurora-400);
  border:1px solid rgba(63,211,198,.5);border-radius:999px;
  transform:none;transition:background .18s ease,color .18s ease;
  margin-left:auto;
}
.accordion-x .accordion-button:not(.collapsed)::after{content:"−";background:rgba(63,211,198,.16);}
.accordion-x .accordion-body{
  padding:0 22px 22px;color:#B9B3CC;font-size:15px;line-height:1.85;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line-dark);
  padding:clamp(46px,6vw,76px) 0 0;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:180px;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(2px 2px at 10% 30%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(2px 2px at 34% 62%,rgba(255,201,107,.45),transparent 60%),
    radial-gradient(2px 2px at 62% 24%,rgba(63,211,198,.45),transparent 60%),
    radial-gradient(2px 2px at 88% 48%,rgba(255,255,255,.35),transparent 60%);
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand-name{font-size:18px;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-muted);max-width:26em;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-muted);}
.footer-links a:hover{color:var(--aurora-400);text-decoration:none;}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-muted);}
.footer-info b{color:var(--text-light);font-weight:600;}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid var(--line-dark);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8E87A6;
}
.footer-bottom .dot-sep{opacity:.4;margin:0 8px;}
.back-top{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-muted);font-size:13px;
}
.back-top:hover{color:var(--aurora-400);text-decoration:none;}

/* ===== 图片占位 ===== */
.img-fallback{background:var(--ink-700);border:1px solid rgba(63,211,198,.35);}

/* ===== 响应式 ===== */
@media (max-width:1400px){
  .catalog-grid{gap:18px;}
}
@media (max-width:1200px){
  .nav-shell{gap:16px;}
  .nav-link-x{padding:0 12px;font-size:14px;}
  .hero-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .post-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:992px){
  .nav-main,.nav-tools .btn-brand{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure{order:-1;}
  .hero-figure .frame{aspect-ratio:16/9;}
  .feature-grid{grid-template-columns:1fr;}
  .catalog-grid{grid-template-columns:repeat(2,1fr);}
  .cat-card.featured{grid-column:span 2;grid-row:auto;min-height:230px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .topbar-note{display:none;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .catalog-grid{grid-template-columns:1fr;}
  .cat-card.featured{grid-column:span 1;padding:26px;}
  .post-grid{grid-template-columns:1fr;}
  .side-item .thumb{width:84px;flex:0 0 84px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .brand-sub{display:none;}
  .hero-float{display:none;}
  .filter-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;}
  .filter-chip{white-space:nowrap;}
}
@media (max-width:576px){
  body{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .topbar-actions .topbar-link{display:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .card,.cat-card{transform:none !important;}
  .post-card:hover,.side-item:hover,.mini-card:hover,.cat-card:hover,.feature-main:hover{transform:none;}
}
@media (hover:none){
  .cat-card:hover,.post-card:hover,.side-item:hover,.mini-card:hover,.feature-main:hover{transform:none;}
}

/* roulang page: article */
:root{
  --ink-900:#14101F;
  --ink-800:#1C1730;
  --ink-700:#2A2342;
  --paper:#F7F4EF;
  --text-dark:#221C33;
  --text-light:#ECE9F5;
  --text-muted:#A9A2BE;
  --brand-500:#FF6B3D;
  --brand-600:#E24E22;
  --aurora-400:#3FD3C6;
  --aurora-700:#0F8B81;
  --gold-300:#FFC96B;
  --line-dark:rgba(255,255,255,.08);
  --line-light:rgba(34,28,51,.10);
  --shadow-1:0 8px 24px rgba(20,16,31,.28);
  --shadow-2:0 24px 60px rgba(20,16,31,.45);
  --radius-lg:28px;
  --radius:24px;
  --radius-sm:16px;
  --font-base:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--text-light);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--aurora-400);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out}
a:hover{color:var(--gold-300)}
img{max-width:100%;display:block}
button{font-family:inherit}
::selection{background:rgba(255,107,61,.35);color:#fff}
:focus-visible{outline:2px solid var(--aurora-400);outline-offset:3px}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--ink-800);
  border-bottom:1px solid var(--line-dark);
  font-size:13px;
  color:var(--text-muted);
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:40px;
}
.topbar .domain{
  color:var(--aurora-400);
  letter-spacing:.03em;
  font-weight:600;
  white-space:nowrap;
}
.topbar .notice{
  flex:1;
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:var(--text-muted);
}
.topbar .notice b{color:var(--gold-300);font-weight:600}
.topbar .top-link{
  color:var(--text-light);
  white-space:nowrap;
  font-size:13px;
}
.topbar .top-link:hover{color:var(--aurora-400)}
.topbar .top-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 14px;
  border-radius:999px;
  background:var(--brand-500);
  color:#fff;
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background .18s ease-out,transform .18s ease-out;
}
.topbar .top-cta:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px)}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--ink-900);
  border-bottom:1px solid var(--line-dark);
  box-shadow:0 6px 20px rgba(20,16,31,.28);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  min-height:76px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  flex-shrink:0;
  color:var(--text-light);
}
.brand:hover{color:var(--text-light)}
.brand .brand-name{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
}
.brand .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(255,107,61,.18);
  flex-shrink:0;
}
.brand .brand-sub{
  font-size:12px;
  font-weight:400;
  color:var(--text-muted);
  letter-spacing:.06em;
  padding-left:18px;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link-x{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 15px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-light);
  white-space:nowrap;
  transition:color .18s ease-out,background .18s ease-out;
}
.nav-link-x:hover{color:var(--aurora-400);background:rgba(63,211,198,.09)}
.nav-link-x.active{
  color:#0E2C2A;
  background:var(--aurora-400);
  font-weight:700;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(236,233,245,.22);
  background:transparent;
  color:var(--text-light);
  font-size:17px;
  cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.icon-btn:hover{border-color:var(--aurora-400);color:var(--aurora-400);background:rgba(63,211,198,.08)}
.btn-primary-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 26px;
  border-radius:999px;
  border:0;
  background:var(--brand-500);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary-x:hover{
  background:var(--brand-600);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(255,107,61,.35);
}
.btn-primary-x:active{transform:translateY(0);box-shadow:none}
.btn-ghost-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid rgba(236,233,245,.28);
  background:transparent;
  color:var(--text-light);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.btn-ghost-x:hover{
  border-color:var(--aurora-400);
  background:rgba(63,211,198,.08);
  color:var(--aurora-400);
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(236,233,245,.22);
  background:transparent;
  color:var(--text-light);
  font-size:20px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--aurora-400);color:var(--aurora-400)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line-dark);
  background:var(--ink-800);
  padding:14px clamp(16px,4vw,32px) 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-link-x{
  display:flex;
  min-height:48px;
  border-radius:14px;
  margin-bottom:6px;
}
.mobile-drawer .btn-primary-x{width:100%;margin-top:10px}

/* ============ 文章主体 ============ */
.article-shell{
  padding:26px 0 0;
  background:
    radial-gradient(900px 420px at 82% -8%, rgba(63,211,198,.10), transparent 62%),
    radial-gradient(720px 380px at 6% 0%, rgba(255,107,61,.12), transparent 60%),
    var(--ink-900);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-muted);
  margin-bottom:22px;
}
.crumb li{display:inline-flex;align-items:center;gap:8px;min-width:0}
.crumb li:not(:last-child)::after{content:"/";color:rgba(169,162,190,.55)}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--aurora-400)}
.crumb .current{color:var(--text-light);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:34px;
  align-items:start;
  padding-bottom:20px;
}
.article-col{min-width:0}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:27px;
  padding:0 13px;
  border-radius:999px;
  border:1px solid rgba(63,211,198,.45);
  color:var(--aurora-400);
  font-size:12px;
  letter-spacing:.04em;
  white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.chip:hover{background:var(--aurora-400);color:#0E2C2A}
.article-head h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.26;
  letter-spacing:-.01em;
  color:var(--text-light);
  margin:16px 0 18px;
  overflow-wrap:break-word;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13.5px;
  color:var(--text-muted);
  font-variant-numeric:tabular-nums;
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row .meta-item i{color:var(--aurora-400);font-size:14px}
.badge-stat{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(63,211,198,.12);
  color:var(--aurora-400);
  font-size:12.5px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.badge-stat::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--aurora-400);
}
.badge-stat.gold{
  background:transparent;
  border:1px solid rgba(255,201,107,.55);
  color:var(--gold-300);
}
.badge-stat.gold::before{background:var(--gold-300)}
.share-btn{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 15px;
  border-radius:999px;
  border:1px solid rgba(236,233,245,.22);
  background:transparent;
  color:var(--text-light);
  font-size:13px;
  cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.share-btn:hover{border-color:var(--aurora-400);color:var(--aurora-400);background:rgba(63,211,198,.08)}
.article-cover{
  position:relative;
  margin:26px 0 30px;
  aspect-ratio:21/9;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--ink-700);
  border:1px solid var(--line-dark);
  box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,31,0) 45%,rgba(20,16,31,.62) 100%);
  pointer-events:none;
}
.article-cover .cover-badge{
  position:absolute;
  right:16px;bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(20,16,31,.82);
  border:1px solid rgba(255,201,107,.45);
  color:var(--gold-300);
  font-size:12px;
  letter-spacing:.04em;
}

/* 正文阅读区 */
.article-body{
  background:var(--paper);
  color:var(--text-dark);
  border-radius:var(--radius-lg);
  padding:clamp(22px,4vw,52px);
  box-shadow:var(--shadow-2);
  border:1px solid var(--line-light);
  font-size:17px;
  line-height:1.9;
  overflow-wrap:break-word;
}
.article-body > *{max-width:760px;margin-left:auto;margin-right:auto}
.article-body p{margin:0 auto 1.1em}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.4vw,27px);
  line-height:1.4;
  color:var(--text-dark);
  margin:1.9em auto .75em;
  padding-left:16px;
  border-left:4px solid var(--brand-500);
}
.article-body h3{
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  color:var(--text-dark);
  margin:1.6em auto .6em;
}
.article-body h4{
  font-size:17px;
  font-weight:600;
  color:var(--text-dark);
  margin:1.4em auto .5em;
}
.article-body a{color:var(--aurora-700);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--brand-600);text-decoration-thickness:2px}
.article-body strong{font-weight:700;color:#151029}
.article-body ul,.article-body ol{
  margin:0 auto 1.2em;
  padding-left:1.35em;
}
.article-body ul{list-style:none;padding-left:1.5em}
.article-body ul li{position:relative;margin-bottom:.55em}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:-1.05em;top:.75em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand-500);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.55em;padding-left:.2em}
.article-body ol li::marker{color:var(--brand-600);font-weight:700}
.article-body blockquote{
  margin:1.6em auto;
  padding:18px 24px;
  border-left:4px solid var(--brand-500);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(255,107,61,.07);
  color:#3A3150;
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:var(--radius-sm);
  margin:1.5em auto;
  height:auto;
  border:1px solid var(--line-light);
}
.article-body figure{margin:1.6em auto}
.article-body figcaption{
  font-size:13px;
  color:#6C6484;
  text-align:center;
  margin-top:8px;
  line-height:1.7;
}
.article-body table{
  display:block;
  width:100%;
  max-width:760px;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.5em auto;
  font-size:15px;
  -webkit-overflow-scrolling:touch;
}
.article-body table thead th{
  background:rgba(34,28,51,.08);
  font-weight:700;
  text-align:left;
}
.article-body table th,
.article-body table td{
  border:1px solid rgba(34,28,51,.12);
  padding:10px 14px;
  white-space:nowrap;
}
.article-body table tbody tr:nth-child(even){background:rgba(34,28,51,.035)}
.article-body hr{
  border:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,28,51,.18),transparent);
  margin:2em auto;
}
.article-body code{
  background:rgba(34,28,51,.08);
  border-radius:6px;
  padding:2px 6px;
  font-size:14.5px;
}

/* 空态 */
.empty-state{
  background:var(--ink-800);
  border:1px dashed rgba(63,211,198,.55);
  border-radius:var(--radius-lg);
  padding:clamp(30px,5vw,64px);
  text-align:center;
  color:var(--text-light);
}
.empty-state h1{
  font-size:clamp(24px,3vw,30px);
  color:var(--text-light);
  margin-bottom:14px;
}
.empty-state p{color:var(--text-muted);margin-bottom:24px;font-size:15px}

/* 标签 */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:30px 0 8px;
}
.tag-row .tag-label{font-size:13px;color:var(--text-muted);margin-right:4px}
.tag-x{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(63,211,198,.10);
  border:1px solid rgba(63,211,198,.32);
  color:var(--aurora-400);
  font-size:12.5px;
  letter-spacing:.03em;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.tag-x:hover{background:var(--aurora-400);color:#0E2C2A;border-color:var(--aurora-400)}

/* 板块通用标题 */
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin:52px 0 22px;
}
.section-head h2{
  position:relative;
  font-size:clamp(22px,2.6vw,28px);
  color:var(--text-light);
  padding-left:16px;
  border-left:4px solid var(--brand-500);
}
.section-head .desc{font-size:14px;color:var(--text-muted)}
.section-head .text-more{font-size:14px;color:var(--aurora-400);display:inline-flex;align-items:center;gap:6px}

/* 相关推荐卡 */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.rec-card:hover{
  transform:translateY(-4px);
  border-color:rgba(63,211,198,.5);
  box-shadow:var(--shadow-2);
}
.rec-thumb{
  aspect-ratio:16/9;
  background:var(--ink-700);
  border-bottom:1px solid var(--line-dark);
  overflow:hidden;
}
.rec-thumb img{width:100%;height:100%;object-fit:cover}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body .chip{align-self:flex-start}
.rec-body h3{
  font-size:16.5px;
  line-height:1.55;
  font-weight:600;
  color:var(--text-light);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-body .rec-desc{
  font-size:13.5px;
  line-height:1.8;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-body .rec-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:var(--text-muted);
  font-variant-numeric:tabular-nums;
}
.rec-body .rec-foot .go{color:var(--aurora-400);font-weight:600;display:inline-flex;align-items:center;gap:5px}

/* 继续浏览双栏 */
.next-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:20px;
}
.next-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px;
  border-radius:var(--radius);
  background:var(--ink-800);
  border:1px solid var(--line-dark);
  color:var(--text-light);
  transition:border-color .18s ease-out,transform .18s ease-out,background .18s ease-out;
}
.next-card:hover{
  border-color:rgba(63,211,198,.5);
  transform:translateY(-3px);
  color:var(--text-light);
  background:var(--ink-700);
}
.next-card .nc-label{font-size:12.5px;color:var(--text-muted);letter-spacing:.04em}
.next-card .nc-title{font-size:16px;font-weight:600;margin-top:6px}
.next-card i{font-size:20px;color:var(--aurora-400);flex-shrink:0}

/* 侧栏 */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--ink-800);
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--text-light);
  letter-spacing:.02em;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:9px;
}
.side-card h3::before{
  content:"";
  width:4px;height:15px;border-radius:2px;
  background:var(--brand-500);
}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:var(--text-light);
  font-size:14px;
  line-height:1.7;
  padding-bottom:14px;
  border-bottom:1px dashed rgba(255,255,255,.10);
  transition:color .18s ease-out;
}
.side-list a:last-child{border-bottom:0;padding-bottom:0}
.side-list a:hover{color:var(--aurora-400)}
.side-list .idx{
  flex-shrink:0;
  width:22px;height:22px;
  border-radius:7px;
  background:rgba(63,211,198,.14);
  color:var(--aurora-400);
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  margin-top:2px;
}
.side-note{
  font-size:13px;
  line-height:1.85;
  color:var(--text-muted);
}
.side-cta{
  background:linear-gradient(150deg,rgba(255,107,61,.92) 0%,rgba(226,78,34,.55) 45%,rgba(28,23,48,1) 100%);
  border:1px solid rgba(255,201,107,.32);
}
.side-cta h3{color:#FFF3EC}
.side-cta h3::before{background:var(--gold-300)}
.side-cta p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:16px}
.side-cta .btn-primary-x{
  width:100%;
  background:#fff;
  color:#B8390F;
}
.side-cta .btn-primary-x:hover{background:#FFF1EA;color:#8F2C0B;box-shadow:0 10px 24px rgba(255,255,255,.22)}

/* CTA 横幅 */
.cta-band{
  margin-top:64px;
  border-radius:var(--radius-lg);
  padding:clamp(26px,4vw,48px);
  background:
    radial-gradient(520px 260px at 88% 10%, rgba(255,201,107,.22), transparent 68%),
    linear-gradient(135deg,#FF6B3D 0%,#A8340F 42%,#14101F 100%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-2);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-band .cta-text{max-width:600px}
.cta-band h2{
  font-size:clamp(22px,2.6vw,29px);
  color:#fff;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.88)}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-light-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:999px;
  border:0;
  background:#fff;
  color:#A8340F;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.cta-band .btn-light-x:hover{transform:translateY(-2px);background:#FFF3EC;color:#8F2C0B;box-shadow:0 12px 28px rgba(255,255,255,.25)}
.cta-band .btn-line-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.42);
  background:transparent;
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.cta-band .btn-line-x:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  padding:64px 0 0;
  background:var(--ink-900);
  border-top:1px solid var(--line-dark);
  color:var(--text-muted);
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand-name{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:700;
  color:var(--text-light);
  margin-bottom:14px;
}
.footer-brand .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(255,107,61,.18);
}
.footer-brand p{font-size:13.5px;line-height:1.9;color:var(--text-muted);max-width:320px}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text-light);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--text-muted);font-size:13.5px;transition:color .18s ease-out,padding-left .18s ease-out}
.footer-links a:hover{color:var(--aurora-400);padding-left:4px}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:13.5px;line-height:1.75}
.footer-info b{color:var(--text-light);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(169,162,190,.85);
}
.footer-bottom .dot-sep{margin:0 6px;color:rgba(169,162,190,.5)}
.footer-bottom .back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--text-light);
  font-size:13px;
}
.footer-bottom .back-top:hover{color:var(--aurora-400)}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-side{
    position:static;
    margin-top:34px;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:20px;
  }
  .article-side .side-card:first-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .header-inner{min-height:68px;gap:16px}
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .brand .brand-name{font-size:17px}
  .brand .brand-sub{display:none}
  .header-actions .btn-primary-x{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-body{font-size:16.5px}
  .topbar .notice{display:none}
}
@media (max-width:767px){
  .topbar-inner{height:38px;gap:10px}
  .topbar .top-link{display:none}
  .article-shell{padding-top:18px}
  .article-head h1{font-size:clamp(24px,6vw,30px)}
  .article-cover{aspect-ratio:16/9;margin:20px 0 22px;border-radius:20px}
  .article-body{border-radius:22px;padding:22px 20px;line-height:1.85}
  .article-body > *{max-width:100%}
  .article-body h2{font-size:21px;padding-left:13px}
  .meta-row{gap:10px;font-size:13px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .next-grid{grid-template-columns:minmax(0,1fr)}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .section-head{margin:40px 0 18px}
  .cta-band{margin-top:48px;border-radius:24px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-light-x,
  .cta-band .cta-actions .btn-line-x{flex:1;min-width:140px}
  .site-footer{margin-top:52px;padding-top:48px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:575px){
  .brand .brand-name{font-size:16px}
  .article-body{font-size:16px;padding:20px 16px}
  .crumb{font-size:12.5px}
  .crumb .current{max-width:190px}
  .topbar .top-cta{padding:0 11px}
  .rec-body{padding:16px 18px 18px}
  .next-card{padding:18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-900:#14101F;
  --ink-800:#1C1730;
  --ink-700:#2A2342;
  --paper:#F7F4EF;
  --paper-card:#FFFFFF;
  --text-dark:#221C33;
  --text-light:#ECE9F5;
  --text-muted:#A9A2BE;
  --brand-500:#FF6B3D;
  --brand-600:#E24E22;
  --aurora-400:#3FD3C6;
  --gold-300:#FFC96B;
  --stroke-d:rgba(255,255,255,.08);
  --stroke-l:rgba(34,28,51,.08);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(20,16,31,.28);
  --shadow-2:0 24px 60px rgba(20,16,31,.45);
  --sp-4:4px; --sp-8:8px; --sp-12:12px; --sp-16:16px;
  --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-light);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
a{color:var(--aurora-400);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--gold-300);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--aurora-400);outline-offset:3px;}
.container-x{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,32px);
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-900);
  border-bottom:1px solid var(--stroke-d);
}
.topbar-inner{
  min-height:38px;
  display:flex;
  align-items:center;
  gap:var(--sp-16);
  font-size:13px;
  color:var(--text-muted);
}
.topbar-domain{color:var(--aurora-400);letter-spacing:.04em;white-space:nowrap;}
.topbar-tip{
  flex:1;
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:var(--text-muted);
  margin:0;
}
.topbar-tip i{color:var(--aurora-400);margin-right:6px;}
.topbar-actions{display:flex;align-items:center;gap:var(--sp-12);}
.topbar-link{color:var(--text-muted);font-size:13px;}
.topbar-link:hover{color:var(--aurora-400);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--ink-900);
  border-bottom:1px solid var(--stroke-d);
  box-shadow:0 8px 24px rgba(20,16,31,.35);
}
.nav-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  gap:var(--sp-24);
  padding-block:12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text-light);
  flex-shrink:0;
}
.brand:hover{color:var(--text-light);}
.brand-mark{
  width:42px;height:42px;
  border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,107,61,.9),rgba(63,211,198,.55));
  color:#fff;
  font-size:20px;
  box-shadow:0 6px 18px rgba(255,107,61,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  display:flex;
  align-items:center;
  gap:8px;
}
.brand-name .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--gold-300);
  box-shadow:0 0 8px rgba(255,201,107,.8);
  display:inline-block;
}
.brand-sub{font-size:12px;color:var(--text-muted);letter-spacing:.04em;margin-top:2px;}
.nav-main{
  display:none;
  align-items:center;
  gap:4px;
  flex:1;
}
.nav-link-x{
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-light);
  border:1px solid transparent;
  transition:all .18s ease-out;
  white-space:nowrap;
  min-height:44px;
}
.nav-link-x:hover{
  color:var(--aurora-400);
  background:rgba(63,211,198,.08);
  border-color:rgba(63,211,198,.4);
}
.nav-link-x.active{
  color:var(--ink-900);
  background:var(--aurora-400);
  font-weight:600;
}
.nav-side{display:flex;align-items:center;gap:var(--sp-12);margin-left:auto;}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--stroke-d);
  color:var(--text-light);
  background:transparent;
  transition:all .18s ease-out;
}
.icon-btn:hover{
  color:var(--aurora-400);
  border-color:rgba(63,211,198,.5);
  background:rgba(63,211,198,.08);
}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease-out,background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
  min-height:44px;
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand-500);color:#fff;box-shadow:0 8px 20px rgba(255,107,61,.22);}
.btn-primary-x:hover{
  background:var(--brand-600);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(255,107,61,.35);
}
.btn-primary-x:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,61,.25);}
.btn-ghost-x{
  background:transparent;
  color:var(--text-light);
  border-color:rgba(236,233,245,.28);
}
.btn-ghost-x:hover{
  color:var(--aurora-400);
  border-color:rgba(63,211,198,.5);
  background:rgba(63,211,198,.08);
  transform:translateY(-2px);
}
.btn-ghost-x:active{transform:translateY(0);}
.btn-sm-x{padding:8px 18px;font-size:13px;min-height:36px;}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  padding-block:clamp(48px,7vw,88px);
  border-bottom:1px solid var(--stroke-d);
}
.hero-cat::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(2px 2px at 12% 22%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 28% 68%,rgba(255,201,107,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 46% 14%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(2px 2px at 66% 46%,rgba(63,211,198,.45),transparent 60%),
    radial-gradient(1.5px 1.5px at 82% 26%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(1.5px 1.5px at 92% 74%,rgba(255,201,107,.4),transparent 60%);
  opacity:.85;
  pointer-events:none;
}
.hero-cat::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(1000px 420px at 78% 12%,rgba(63,211,198,.14),transparent 70%),
    radial-gradient(760px 360px at 8% 90%,rgba(255,107,61,.16),transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,4vw,48px);
  align-items:center;
}
.crumb-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,201,107,.45);
  color:var(--gold-300);
  font-size:12px;
  letter-spacing:.04em;
  background:rgba(255,201,107,.06);
  margin-bottom:20px;
}
.hero-cat h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
  color:var(--text-light);
  letter-spacing:.01em;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  color:var(--text-muted);
  max-width:52ch;
  line-height:1.85;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(63,211,198,.12);
  color:var(--aurora-400);
  font-size:12px;
  letter-spacing:.04em;
}
.stat-badge::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--aurora-400);
  box-shadow:0 0 8px rgba(63,211,198,.9);
  flex-shrink:0;
}
.stat-badge b{
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:#fff;
  font-size:14px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke-d);
  box-shadow:var(--shadow-2);
  background:var(--ink-700);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  opacity:.92;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,31,.05) 0%,rgba(20,16,31,.72) 100%);
}
.media-badge{
  position:absolute;
  right:18px;bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(20,16,31,.78);
  border:1px solid rgba(255,201,107,.45);
  color:var(--gold-300);
  font-size:12px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}

/* ---------- 通用板块 ---------- */
.section{padding-block:clamp(56px,7vw,96px);}
.paper-section{background:var(--paper);color:var(--text-dark);}
.paper-section a{color:#0F7E76;}
.paper-section a:hover{color:var(--brand-600);}
.dark-section{background:var(--ink-900);position:relative;}
.sec-head{margin-bottom:clamp(28px,4vw,48px);max-width:60ch;}
.sec-head h2{
  font-size:clamp(26px,3vw,32px);
  line-height:1.3;
  position:relative;
  padding-left:16px;
}
.paper-section .sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand-500);
}
.dark-section .sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--aurora-400);
}
.sec-head p{
  margin-top:14px;
  padding-left:16px;
  font-size:16px;
  color:#5B5470;
  line-height:1.85;
}
.dark-section .sec-head p{color:var(--text-muted);}

/* ---------- 主推大图 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,3vw,40px);
  align-items:center;
}
.feature-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke-d);
  box-shadow:var(--shadow-1);
  background:var(--ink-700);
}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(63,211,198,.12);
  color:var(--aurora-400);
  font-size:12px;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.feature-body h3{
  font-size:clamp(22px,2.6vw,28px);
  color:var(--text-light);
  line-height:1.35;
}
.feature-body p{
  margin-top:14px;
  color:var(--text-muted);
  font-size:16px;
  line-height:1.9;
}
.point-list{
  list-style:none;
  padding:0;
  margin:24px 0 0;
  display:grid;
  gap:14px;
}
.point-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--text-light);
  line-height:1.7;
}
.point-list li i{
  color:var(--aurora-400);
  font-size:15px;
  margin-top:5px;
  flex-shrink:0;
}

/* ---------- 时间轴布局 ---------- */
.tl-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,3vw,40px);
  align-items:start;
}
.tl-list{
  position:relative;
  padding-left:38px;
}
.tl-list::before{
  content:"";
  position:absolute;
  left:11px;
  top:8px;
  bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(255,201,107,.85),rgba(255,201,107,.18));
}
.tl-item{
  position:relative;
  margin-bottom:24px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-34px;
  top:30px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--paper);
  border:3px solid var(--gold-300);
  box-shadow:0 0 0 4px rgba(255,201,107,.16);
}
.tl-card{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  background:var(--paper-card);
  border:1px solid var(--stroke-l);
  border-radius:var(--r-md);
  padding:20px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:rgba(63,211,198,.5);
  box-shadow:0 18px 40px rgba(34,28,51,.14);
}
.tl-thumb{
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--ink-700);
  border:1px solid rgba(63,211,198,.25);
}
.tl-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tl-body h3{
  font-size:20px;
  color:var(--text-dark);
  line-height:1.4;
  margin-top:12px;
}
.tl-body p{
  margin-top:10px;
  font-size:15px;
  color:#5B5470;
  line-height:1.85;
}
.tl-meta{
  margin-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8A839C;
  font-variant-numeric:tabular-nums;
}
.tl-meta a{
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid rgba(15,126,118,.4);
  color:#0F7E76;
  font-size:12px;
  letter-spacing:.04em;
  background:rgba(63,211,198,.08);
  transition:all .18s ease-out;
}
.chip:hover{background:#0F7E76;color:#fff;border-color:#0F7E76;}

/* ---------- 侧栏 ---------- */
.tl-aside{
  display:grid;
  gap:20px;
}
.aside-card{
  background:var(--paper-card);
  border:1px solid var(--stroke-l);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:0 6px 20px rgba(34,28,51,.06);
}
.aside-card h4{
  font-size:15px;
  color:var(--text-dark);
  letter-spacing:.04em;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
}
.aside-card h4 i{color:var(--brand-500);}
.anchor-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.anchor-list a{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:#3E3752;
  padding:8px 10px;
  border-radius:12px;
  transition:all .18s ease-out;
}
.anchor-list a::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--aurora-400);
  flex-shrink:0;
}
.anchor-list a:hover{background:rgba(63,211,198,.1);color:#0F7E76;}
.mini-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.mini-list li{display:flex;gap:12px;align-items:flex-start;}
.mini-num{
  font-size:14px;
  font-weight:700;
  color:var(--brand-500);
  font-variant-numeric:tabular-nums;
  line-height:1.6;
  flex-shrink:0;
}
.mini-list a{font-size:14px;line-height:1.65;color:#2E2842;}
.mini-list a:hover{color:var(--brand-600);}
.aside-cta{
  background:linear-gradient(135deg,#FF6B3D 0%,#14101F 100%);
  border:none;
  color:#fff;
}
.aside-cta h4{color:#fff;}
.aside-cta h4 i{color:var(--gold-300);}
.aside-cta p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.8;margin-bottom:18px;}
.aside-cta .btn-primary-x{background:#fff;color:var(--ink-900);box-shadow:none;width:100%;}
.aside-cta .btn-primary-x:hover{background:var(--gold-300);color:var(--ink-900);}

/* ---------- 整理方式 ---------- */
.steps-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,4vw,56px);
  align-items:start;
}
.steps-copy p{
  color:var(--text-muted);
  font-size:16px;
  line-height:1.9;
  margin-top:16px;
}
.step-list{list-style:none;margin:0;padding:0;display:grid;gap:16px;}
.step-item{
  display:flex;
  gap:18px;
  padding:22px;
  border-radius:var(--r-md);
  background:var(--ink-800);
  border:1px solid var(--stroke-d);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.step-item:hover{
  transform:translateY(-4px);
  border-color:rgba(63,211,198,.5);
  box-shadow:var(--shadow-1);
}
.step-num{
  font-size:26px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px var(--gold-300);
  line-height:1;
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
}
.step-item h3{font-size:18px;color:var(--text-light);margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--text-muted);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:#fff;
  border:1px solid var(--stroke-l);
  border-radius:20px;
  overflow:hidden;
  margin-bottom:14px;
  box-shadow:0 4px 14px rgba(34,28,51,.05);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  background:#fff;
  color:var(--text-dark);
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  box-shadow:none;
  border-radius:20px;
  display:flex;
  align-items:center;
  gap:12px;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--text-dark);
  background:#fff;
  box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--aurora-400);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;height:auto;
  font-size:22px;
  line-height:1;
  color:var(--aurora-400);
  transform:none;
  margin-left:auto;
  font-weight:400;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:none;
  color:var(--brand-500);
}
.faq-acc .accordion-body{
  padding:4px 24px 22px;
  font-size:15px;
  color:#5B5470;
  line-height:1.9;
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--aurora-400);
}

/* ---------- 其他分类 ---------- */
.other-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.other-card{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  padding:24px;
  border-radius:var(--r-md);
  background:var(--ink-800);
  border:1px solid var(--stroke-d);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
  color:var(--text-light);
}
.other-card:hover{
  transform:translateY(-4px);
  border-color:rgba(63,211,198,.5);
  box-shadow:var(--shadow-2);
  color:var(--text-light);
}
.other-thumb{
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--ink-700);
  border:1px solid rgba(63,211,198,.2);
}
.other-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.92;}
.other-card h3{font-size:20px;color:var(--text-light);margin-bottom:10px;}
.other-card p{font-size:14px;color:var(--text-muted);line-height:1.85;}
.other-link{
  margin-top:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--aurora-400);
}
.other-card:hover .other-link{color:var(--gold-300);}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,48px);
  background:linear-gradient(135deg,#FF6B3D 0%,#14101F 100%);
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(24px,3vw,30px);color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.82);font-size:15px;line-height:1.85;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-primary-x{background:#fff;color:var(--ink-900);box-shadow:none;}
.cta-band .btn-primary-x:hover{background:var(--gold-300);color:var(--ink-900);box-shadow:0 12px 26px rgba(0,0,0,.25);}
.cta-band .btn-ghost-x{border-color:rgba(255,255,255,.45);color:#fff;}
.cta-band .btn-ghost-x:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  border-top:1px solid var(--stroke-d);
  padding-top:clamp(48px,6vw,72px);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:120px;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 30%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(1.6px 1.6px at 42% 62%,rgba(255,201,107,.4),transparent 60%),
    radial-gradient(1.6px 1.6px at 68% 24%,rgba(63,211,198,.4),transparent 60%),
    radial-gradient(1.4px 1.4px at 86% 58%,rgba(255,255,255,.35),transparent 60%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand-name{font-size:18px;color:var(--text-light);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  color:var(--text-muted);
  line-height:1.9;
  max-width:34ch;
}
.footer-col h4{
  font-size:14px;
  color:var(--text-light);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px;}
.footer-links a{
  font-size:14px;
  color:var(--text-muted);
  min-height:28px;
  display:inline-flex;
  align-items:center;
}
.footer-links a:hover{color:var(--aurora-400);}
.footer-info{display:grid;gap:10px;font-size:14px;color:var(--text-muted);line-height:1.75;}
.footer-info b{color:var(--text-light);font-weight:600;}
.footer-bottom{
  position:relative;
  border-top:1px solid var(--stroke-d);
  padding-block:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-muted);
}
.dot-sep{margin-inline:6px;color:rgba(169,162,190,.6);}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--text-muted);
  min-height:44px;
}
.back-top:hover{color:var(--aurora-400);}

/* ---------- 移动端菜单 ---------- */
.offcanvas.offcanvas-dark{
  background:var(--ink-800);
  color:var(--text-light);
  width:min(86vw,340px);
  border-right:1px solid var(--stroke-d);
}
.offcanvas-dark .offcanvas-header{
  border-bottom:1px solid var(--stroke-d);
  padding:18px 20px;
}
.offcanvas-dark .offcanvas-title{font-size:16px;font-weight:700;}
.offcanvas-dark .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.offcanvas-dark .offcanvas-body{padding:20px;}
.mobile-nav{display:grid;gap:10px;margin-bottom:24px;}
.mobile-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid var(--stroke-d);
  color:var(--text-light);
  font-size:15px;
}
.mobile-nav a:hover{border-color:rgba(63,211,198,.5);color:var(--aurora-400);}
.mobile-nav a.active{background:var(--aurora-400);color:var(--ink-900);font-weight:600;border-color:var(--aurora-400);}
.mobile-cta{display:grid;gap:12px;}
.mobile-cta .btn-x{width:100%;}

/* ---------- 响应式 ---------- */
@media (min-width:576px){
  .tl-card{grid-template-columns:200px 1fr;align-items:start;}
  .other-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:768px){
  .tl-card{grid-template-columns:240px 1fr;padding:24px;}
  .cta-band{grid-template-columns:1.4fr .9fr;}
  .cta-actions{justify-content:flex-end;}
}
@media (max-width:991.98px){
  .topbar-tip{display:none;}
  .nav-main{display:none !important;}
  .nav-side .btn-primary-x{display:none;}
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
}
@media (min-width:992px){
  .hero-grid{grid-template-columns:1.05fr .95fr;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .steps-layout{grid-template-columns:1fr 1.15fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
  .tl-card:hover{transform:translateY(-4px);}
}
@media (min-width:1200px){
  .nav-main{display:flex !important;}
  .tl-layout{grid-template-columns:minmax(0,1fr) 320px;}
  .tl-aside{position:sticky;top:104px;}
}
@media (max-width:767.98px){
  .tl-list{padding-left:28px;}
  .tl-list::before{left:7px;}
  .tl-item::before{left:-27px;top:24px;width:12px;height:12px;}
  .hero-cta .btn-x{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575.98px){
  .topbar-actions .topbar-link{display:none;}
  .nav-inner{min-height:66px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:18px;}
  .tl-card{padding:16px;}
  .aside-card{padding:18px;}
  .accordion-button{font-size:15px;padding:16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
    --ink-900:#14101F;
    --ink-800:#1C1730;
    --ink-700:#2A2342;
    --paper:#F7F4EF;
    --text-dark:#221C33;
    --text-light:#ECE9F5;
    --text-muted:#A9A2BE;
    --brand-500:#FF6B3D;
    --brand-600:#E24E22;
    --aurora-400:#3FD3C6;
    --gold-300:#FFC96B;
    --r-xl:28px;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:16px;
    --shadow-1:0 8px 24px rgba(20,16,31,.28);
    --shadow-2:0 24px 60px rgba(20,16,31,.45);
    --line-dark:1px solid rgba(255,255,255,.08);
    --line-light:1px solid rgba(34,28,51,.08);
    --gap-1:4px;--gap-2:8px;--gap-3:12px;--gap-4:16px;--gap-5:24px;--gap-6:32px;--gap-7:48px;--gap-8:64px;--gap-9:96px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--ink-900);
    color:var(--text-light);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;background:var(--ink-700);}
  a{color:var(--aurora-400);text-decoration:none;transition:color .18s ease-out;}
  a:hover{color:var(--gold-300);}
  p{margin:0 0 1em;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--aurora-400);outline-offset:3px;}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding-inline:clamp(16px,4vw,32px);}
  .num{font-variant-numeric:tabular-nums;}

  /* 顶部信息条 */
  .topbar{background:var(--ink-900);border-bottom:1px solid rgba(63,211,198,.16);font-size:13px;}
  .topbar-inner{display:flex;align-items:center;gap:20px;min-height:38px;color:var(--aurora-400);}
  .topbar-domain{letter-spacing:.04em;color:var(--text-muted);white-space:nowrap;}
  .topbar-note{display:flex;align-items:center;gap:8px;color:var(--aurora-400);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;flex:1;}
  .topbar-note i{color:var(--gold-300);}
  .topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
  .topbar-link{color:var(--text-light);font-size:13px;}
  .topbar-link:hover{color:var(--aurora-400);}

  /* 主导航 */
  .site-header{position:sticky;top:0;z-index:1030;background:var(--ink-900);border-bottom:var(--line-dark);box-shadow:0 6px 20px rgba(20,16,31,.4);}
  .header-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
  .brand{display:flex;flex-direction:column;gap:2px;color:var(--text-light);}
  .brand:hover{color:var(--text-light);}
  .brand-mark{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;letter-spacing:.01em;}
  .brand-mark .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(255,107,61,.16);}
  .brand-sub{font-size:12px;color:var(--text-muted);letter-spacing:.04em;}
  .nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link-x{padding:9px 15px;border-radius:999px;font-size:15px;color:var(--text-light);white-space:nowrap;transition:background .18s ease-out,color .18s ease-out;}
  .nav-link-x:hover{background:rgba(63,211,198,.1);color:var(--aurora-400);}
  .nav-link-x.active{background:var(--brand-500);color:#fff;}
  .header-tools{display:flex;align-items:center;gap:10px;margin-left:12px;}
  .icon-btn{width:44px;height:44px;border-radius:999px;border:1px solid rgba(236,233,245,.28);background:transparent;color:var(--text-light);display:inline-flex;align-items:center;justify-content:center;font-size:17px;transition:.18s ease-out;}
  .icon-btn:hover{border-color:var(--aurora-400);background:rgba(63,211,198,.08);color:var(--aurora-400);}
  .menu-btn{display:none;}

  /* 按钮 */
  .btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;}
  .btn-primary-x{background:var(--brand-500);color:#fff;box-shadow:0 6px 18px rgba(255,107,61,.24);}
  .btn-primary-x:hover,.btn-primary-x:focus{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,107,61,.35);}
  .btn-primary-x:active{transform:translateY(0);}
  .btn-sm-x{min-height:32px;padding:5px 16px;font-size:13px;}
  .btn-ghost-x{background:transparent;color:var(--text-light);border-color:rgba(236,233,245,.28);}
  .btn-ghost-x:hover{color:var(--aurora-400);border-color:var(--aurora-400);background:rgba(63,211,198,.08);transform:translateY(-2px);}
  .btn-dark-x{background:var(--ink-900);color:var(--text-light);border-color:var(--line-dark);}
  .btn-dark-x:hover{color:var(--aurora-400);border-color:var(--aurora-400);}

  /* 胶囊标签与徽章 */
  .chip-x{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;border:1px solid rgba(63,211,198,.5);color:var(--aurora-400);font-size:12px;letter-spacing:.04em;background:transparent;}
  .chip-x:hover{background:var(--aurora-400);color:var(--ink-900);}
  .chip-dark{display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;border:1px solid rgba(34,28,51,.16);color:var(--text-dark);font-size:12px;letter-spacing:.04em;background:transparent;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--aurora-400);text-transform:uppercase;margin-bottom:14px;}
  .eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--brand-500),rgba(255,107,61,0));}

  /* Hero */
  .hero{position:relative;overflow:hidden;padding:64px 0 84px;background:var(--ink-900);}
  .hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 16% 20%,rgba(63,211,198,.18),transparent 42%),radial-gradient(circle at 84% 8%,rgba(255,107,61,.16),transparent 40%);pointer-events:none;}
  .hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,201,107,.5) 1px,transparent 1px);background-size:120px 120px;opacity:.28;pointer-events:none;}
  .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;}
  .hero h1{font-size:clamp(30px,4vw,46px);line-height:1.2;margin-bottom:18px;}
  .hero-lead{font-size:17px;color:var(--text-muted);max-width:34em;margin-bottom:26px;}
  .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
  .stat-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(63,211,198,.12);color:var(--aurora-400);font-size:13px;}
  .stat-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora-400);}
  .stat-badge b{font-weight:700;font-variant-numeric:tabular-nums;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;border:var(--line-dark);box-shadow:var(--shadow-2);}
  .hero-figure img{width:100%;height:360px;object-fit:cover;}
  .hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,31,.15),rgba(20,16,31,.72));}
  .figure-badge{position:absolute;right:18px;bottom:18px;z-index:2;display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(20,16,31,.86);border:1px solid rgba(255,201,107,.45);color:var(--text-light);font-size:12px;}
  .figure-badge b{color:var(--gold-300);font-variant-numeric:tabular-nums;}

  /* 通用板块 */
  .section{padding:88px 0;}
  .section-paper{background:var(--paper);color:var(--text-dark);}
  .section-paper a{color:#1a8d84;}
  .section-paper a:hover{color:var(--brand-600);}
  .section-dark{background:var(--ink-800);}
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-title{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:12px;}
  .section-paper .section-title{position:relative;padding-left:16px;}
  .section-paper .section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand-500);}
  .section-desc{color:var(--text-muted);font-size:15px;margin:0;}
  .section-paper .section-desc{color:#6a6280;}
  .divider-x{height:1px;background:linear-gradient(90deg,rgba(34,28,51,0),rgba(34,28,51,.16),rgba(34,28,51,0));border:0;margin:0;}

  /* 数据面板 + 侧栏 */
  .panel-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start;}
  .stat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .stat-cell{background:var(--ink-900);color:var(--text-light);border-radius:var(--r-lg);padding:22px;border:var(--line-dark);box-shadow:var(--shadow-1);transition:transform .18s ease-out,border-color .18s ease-out;}
  .stat-cell:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.5);}
  .stat-cell .cell-label{font-size:12px;letter-spacing:.04em;color:var(--text-muted);display:block;margin-bottom:6px;}
  .stat-cell .cell-value{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-light);line-height:1.2;}
  .stat-cell .cell-value em{font-style:normal;font-size:14px;color:var(--aurora-400);margin-left:4px;font-weight:600;}
  .stat-cell .cell-note{display:block;font-size:13px;color:var(--text-muted);margin-top:8px;line-height:1.7;}
  .side-card{background:#fff;border:var(--line-light);border-radius:var(--r-lg);padding:22px;box-shadow:0 10px 30px rgba(34,28,51,.06);}
  .side-card + .side-card{margin-top:18px;}
  .side-card h3{font-size:16px;margin-bottom:14px;color:var(--text-dark);}
  .anchor-list li + li{margin-top:4px;}
  .anchor-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;color:#4d4663;font-size:14px;transition:.16s ease-out;}
  .anchor-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--aurora-400);}
  .anchor-list a:hover{background:rgba(63,211,198,.12);color:#17756e;}
  .side-picks li + li{margin-top:12px;padding-top:12px;border-top:1px dashed rgba(34,28,51,.12);}
  .side-picks a{font-size:14px;font-weight:600;color:var(--text-dark);display:block;line-height:1.6;}
  .side-picks a:hover{color:#17756e;}
  .side-picks span{font-size:12px;color:#847b96;}
  .side-cta{background:var(--ink-900);color:var(--text-light);border-color:transparent;}
  .side-cta h3{color:var(--text-light);}
  .side-cta p{font-size:13px;color:var(--text-muted);margin-bottom:16px;}

  /* 排行 */
  .rank-list{display:flex;flex-direction:column;gap:12px;}
  .rank-row{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:20px 24px;border-radius:var(--r-lg);background:rgba(255,255,255,.035);border:var(--line-dark);transition:.18s ease-out;}
  .rank-row:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.5);box-shadow:var(--shadow-2);}
  .rank-num{font-size:40px;line-height:1;font-weight:800;font-variant-numeric:tabular-nums;color:transparent;-webkit-text-stroke:1px rgba(236,233,245,.32);}
  .rank-row.top .rank-num{-webkit-text-stroke:1px var(--gold-300);color:transparent;}
  .rank-body h3{font-size:19px;margin-bottom:6px;}
  .rank-body p{font-size:14px;color:var(--text-muted);margin:0 0 10px;line-height:1.75;}
  .rank-value{text-align:right;min-width:120px;}
  .rank-value b{display:block;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--aurora-400);line-height:1.2;}
  .rank-value span{font-size:12px;color:var(--text-muted);letter-spacing:.04em;}

  /* 流程 */
  .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow;}
  .flow-card{position:relative;background:#fff;border:var(--line-light);border-radius:var(--r-lg);padding:26px 22px;box-shadow:0 10px 30px rgba(34,28,51,.06);transition:.18s ease-out;}
  .flow-card:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.6);}
  .flow-step{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(255,107,61,.12);color:var(--brand-600);font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:14px;}
  .flow-card h3{font-size:18px;margin-bottom:10px;}
  .flow-card p{font-size:14px;color:#5b5372;margin:0;line-height:1.8;}

  /* 场景 */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .scene-card{border-radius:var(--r-xl);overflow:hidden;border:var(--line-dark);background:var(--ink-900);transition:.2s ease-out;}
  .scene-card:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.5);box-shadow:var(--shadow-2);}
  .scene-card img{width:100%;height:180px;object-fit:cover;}
  .scene-body{padding:24px;}
  .scene-body h3{font-size:19px;margin-bottom:10px;}
  .scene-body p{font-size:14px;color:var(--text-muted);margin:0 0 14px;line-height:1.8;}

  /* 条目精选 */
  .pick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .pick-card{display:grid;grid-template-columns:150px 1fr;gap:20px;background:#fff;border:var(--line-light);border-radius:var(--r-lg);padding:16px;transition:.18s ease-out;box-shadow:0 10px 30px rgba(34,28,51,.05);}
  .pick-card:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.6);box-shadow:0 18px 42px rgba(34,28,51,.12);}
  .pick-card img{width:100%;height:118px;object-fit:cover;border-radius:var(--r-sm);}
  .pick-body h3{font-size:17px;margin:8px 0 8px;line-height:1.5;}
  .pick-body h3 a{color:var(--text-dark);}
  .pick-body p{font-size:13px;color:#5b5372;margin:0 0 10px;line-height:1.7;}
  .pick-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#847b96;}

  /* FAQ */
  .accordion-x .accordion-item{background:#fff;border:var(--line-light);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;}
  .accordion-x .accordion-button{background:transparent;color:var(--text-dark);font-size:16px;font-weight:600;padding:18px 22px;box-shadow:none;line-height:1.6;}
  .accordion-x .accordion-button:not(.collapsed){background:rgba(63,211,198,.08);color:var(--text-dark);}
  .accordion-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--aurora-400);outline-offset:-3px;}
  .accordion-x .accordion-button::after{content:"+";background-image:none;width:26px;height:26px;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;color:var(--aurora-400);transform:none;border-radius:50%;border:1px solid rgba(63,211,198,.4);}
  .accordion-x .accordion-button:not(.collapsed)::after{content:"−";transform:none;}
  .accordion-x .accordion-body{padding:0 22px 20px;font-size:15px;color:#4d4663;line-height:1.85;}

  /* 其他分类互链 + CTA */
  .cross-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:56px;}
  .cross-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 28px;border-radius:var(--r-xl);background:rgba(255,255,255,.04);border:var(--line-dark);transition:.18s ease-out;color:var(--text-light);}
  .cross-card:hover{transform:translateY(-4px);border-color:rgba(63,211,198,.5);color:var(--text-light);box-shadow:var(--shadow-2);}
  .cross-card h3{font-size:19px;margin-bottom:6px;}
  .cross-card p{font-size:13px;color:var(--text-muted);margin:0;}
  .cross-card i{font-size:22px;color:var(--brand-500);}
  .cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px;background:linear-gradient(135deg,#FF6B3D 0%,#14101F 100%);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;border:1px solid rgba(255,255,255,.14);}
  .cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);background-size:90px 90px;opacity:.16;pointer-events:none;}
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px;position:relative;}
  .cta-band p{font-size:14px;color:rgba(236,233,245,.82);margin:0;position:relative;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
  .cta-note{flex-basis:100%;font-size:12px;color:rgba(236,233,245,.62);position:relative;margin:0;}

  /* 页脚 */
  .site-footer{position:relative;overflow:hidden;background:var(--ink-900);border-top:var(--line-dark);padding:64px 0 28px;}
  .site-footer::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 12% 0%,rgba(63,211,198,.14),transparent 46%),radial-gradient(circle at 88% 0%,rgba(255,107,61,.12),transparent 44%);pointer-events:none;}
  .footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
  .brand-name{display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--text-light);margin-bottom:12px;}
  .brand-name .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);}
  .footer-brand p{font-size:13px;color:var(--text-muted);line-height:1.85;margin:0;}
  .footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-light);margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:13px;color:var(--text-muted);}
  .footer-links a:hover{color:var(--aurora-400);}
  .footer-info{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--text-muted);}
  .footer-info b{color:var(--text-light);font-weight:600;}
  .footer-bottom{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;border-top:var(--line-dark);font-size:12px;color:var(--text-muted);}
  .dot-sep{margin:0 6px;color:var(--ink-700);}
  .back-top{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);}
  .back-top:hover{color:var(--aurora-400);}

  /* Offcanvas */
  .offcanvas-x{background:var(--ink-800);color:var(--text-light);width:min(86vw,340px);}
  .offcanvas-x .offcanvas-header{border-bottom:var(--line-dark);}
  .offcanvas-x .btn-close{filter:invert(1) grayscale(1);}
  .offcanvas-x .nav-link-x{display:block;padding:12px 14px;border-radius:14px;margin-bottom:6px;}
  .offcanvas-x .btn-primary-x{width:100%;margin-top:18px;}

  /* 响应式 */
  @media (max-width:1199px){
    .panel-grid{grid-template-columns:1fr;}
    .stat-matrix{grid-template-columns:repeat(2,1fr);}
    .flow-grid{grid-template-columns:repeat(2,1fr);}
    .picker-side{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
    .side-card + .side-card{margin-top:0;}
  }
  @media (max-width:991px){
    .nav-main{display:none;}
    .menu-btn{display:inline-flex;}
    .header-tools .btn-primary-x{display:none;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero-figure img{height:280px;}
    .section{padding:64px 0;}
    .scene-grid{grid-template-columns:1fr;}
    .pick-grid{grid-template-columns:1fr;}
    .cross-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .cta-band{padding:32px;}
  }
  @media (max-width:767px){
    .topbar-note{display:none;}
    .header-inner{min-height:66px;gap:12px;}
    .brand-mark{font-size:16px;}
    .brand-sub{display:none;}
    .section{padding:56px 0;}
    .hero{padding:48px 0 64px;}
    .stat-matrix{grid-template-columns:1fr;}
    .flow-grid{grid-template-columns:1fr;}
    .picker-side{grid-template-columns:1fr;}
    .rank-row{grid-template-columns:auto 1fr;gap:16px;}
    .rank-value{grid-column:2;text-align:left;min-width:0;}
    .rank-num{font-size:32px;}
    .pick-card{grid-template-columns:1fr;}
    .pick-card img{height:160px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
  }
  @media (max-width:575px){
    .hero h1{font-size:28px;}
    .hero-actions .btn-x{width:100%;}
    .cta-actions{width:100%;}
    .cta-actions .btn-x{width:100%;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }

/* roulang page: category3 */
:root{
  --ink-900:#14101F;
  --ink-800:#1C1730;
  --ink-700:#2A2342;
  --paper:#F7F4EF;
  --text-dark:#221C33;
  --text-light:#ECE9F5;
  --text-muted:#A9A2BE;
  --brand-500:#FF6B3D;
  --brand-600:#E24E22;
  --aurora-400:#3FD3C6;
  --aurora-deep:#0E8F87;
  --gold-300:#FFC96B;
  --line-light:1px solid rgba(255,255,255,.08);
  --line-dark:1px solid rgba(34,28,51,.08);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --shadow-1:0 8px 24px rgba(20,16,31,.28);
  --shadow-2:0 24px 60px rgba(20,16,31,.45);
  --shadow-paper:0 6px 18px rgba(20,16,31,.06);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-light);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--aurora-400);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--gold-300)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(255,107,61,.35);color:#fff}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:#0F0C18;
  border-bottom:1px solid rgba(255,255,255,.06);
  font-size:13px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:38px;
}
.topbar .domain{
  color:var(--text-muted);
  letter-spacing:.02em;
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.topbar .notice{
  flex:1;
  min-width:0;
  color:var(--aurora-400);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar .notice .pulse{
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--gold-300);
  margin-right:8px;
  vertical-align:middle;
}
.topbar-actions{
  display:flex;
  align-items:center;
  gap:12px;
  white-space:nowrap;
}
.topbar-actions .txt-entry{color:var(--text-light);font-size:13px}
.topbar-actions .txt-entry:hover{color:var(--aurora-400)}
.mini-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--brand-500);
  color:#fff;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.mini-btn:hover{background:var(--brand-600);color:#fff}

/* ---------- 主站头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(20,16,31,.97);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.scrolled{
  box-shadow:var(--shadow-1);
  border-bottom-color:rgba(255,255,255,.12);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 0;
}
.brand{
  display:flex;
  flex-direction:column;
  color:var(--text-light);
  flex-shrink:0;
}
.brand:hover{color:var(--text-light)}
.brand-name{
  display:flex;
  align-items:center;
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
}
.brand .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand-500);
  margin-right:9px;
  box-shadow:0 0 0 4px rgba(255,107,61,.16);
}
.brand-sub{
  font-size:12px;
  color:var(--text-muted);
  letter-spacing:.08em;
  margin-top:3px;
  padding-left:17px;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link-x{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  font-size:14.5px;
  color:rgba(236,233,245,.82);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-link-x:hover{
  background:rgba(63,211,198,.1);
  color:var(--aurora-400);
}
.nav-link-x.active{
  color:#fff;
  background:rgba(255,107,61,.18);
  box-shadow:inset 0 0 0 1px rgba(255,107,61,.38);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-search{
  display:flex;
  align-items:center;
  height:44px;
  border:1px solid rgba(236,233,245,.18);
  border-radius:999px;
  overflow:hidden;
  background:rgba(255,255,255,.03);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{
  border-color:var(--aurora-400);
  box-shadow:0 0 0 3px rgba(63,211,198,.16);
}
.nav-search input{
  width:126px;
  height:100%;
  padding:0 0 0 16px;
  border:none;
  outline:none;
  background:transparent;
  color:var(--text-light);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--text-muted)}
.nav-search button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:100%;
  border:none;
  background:transparent;
  color:var(--aurora-400);
  font-size:15px;
  cursor:pointer;
}
.nav-search button:hover{color:var(--gold-300)}

.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border:none;
  border-radius:999px;
  background:var(--brand-500);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-x:hover{
  background:var(--brand-600);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(255,107,61,.35);
}
.btn-x:active{transform:translateY(0);box-shadow:none}
.btn-x:focus-visible{outline:2px solid var(--aurora-400);outline-offset:3px}
.btn-x.btn-slim{min-height:40px;padding:0 20px;font-size:14px}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  background:transparent;
  border:1px solid rgba(236,233,245,.28);
  color:var(--text-light);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{
  border-color:var(--aurora-400);
  background:rgba(63,211,198,.08);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{outline:2px solid var(--aurora-400);outline-offset:3px}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  margin-left:auto;
  border-radius:14px;
  border:1px solid rgba(236,233,245,.2);
  background:transparent;
  color:var(--text-light);
  font-size:20px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--aurora-400);color:var(--aurora-400)}

/* 移动抽屉 */
.oc-drawer{
  background:var(--ink-800);
  color:var(--text-light);
  width:min(86vw,340px);
  border-left:1px solid rgba(255,255,255,.08);
}
.oc-drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:18px 20px;
}
.oc-title{font-size:16px;font-weight:700;color:#fff;margin:0}
.oc-drawer .btn-close{
  filter:invert(1) grayscale(1) brightness(1.6);
  opacity:.7;
}
.oc-drawer .btn-close:hover{opacity:1}
.oc-drawer .offcanvas-body{padding:20px}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:46px;
  padding:0 16px;
  border-radius:14px;
  color:var(--text-light);
  font-size:15px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
}
.drawer-link:hover{color:var(--aurora-400);border-color:rgba(63,211,198,.5)}
.drawer-link.active{
  background:rgba(255,107,61,.16);
  border-color:rgba(255,107,61,.4);
  color:#fff;
}
.drawer-cta{width:100%}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  padding:clamp(46px,6.5vw,84px) 0;
  overflow:hidden;
  background-image:
    linear-gradient(115deg,rgba(20,16,31,.95) 0%,rgba(20,16,31,.86) 46%,rgba(28,23,48,.74) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
}
.hero-cat::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,201,107,.8),transparent 62%),
    radial-gradient(1.3px 1.3px at 66% 14%,rgba(236,233,245,.65),transparent 62%),
    radial-gradient(1.8px 1.8px at 84% 64%,rgba(63,211,198,.7),transparent 62%),
    radial-gradient(1.2px 1.2px at 38% 76%,rgba(236,233,245,.45),transparent 62%);
  opacity:.75;
}
.hero-cat .container-x{position:relative;z-index:2}
.hero-cat-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.tag-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--gold-300);
  border:1px solid rgba(255,201,107,.42);
  background:rgba(255,201,107,.08);
  margin-bottom:20px;
}
.hero-cat h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
  letter-spacing:.01em;
  margin-bottom:16px;
}
.hero-cat .hero-sub{
  font-size:clamp(15px,1.6vw,17px);
  color:rgba(236,233,245,.82);
  max-width:34em;
  line-height:1.85;
  margin-bottom:24px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.badge-data{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 15px;
  border-radius:999px;
  background:rgba(63,211,198,.12);
  color:var(--aurora-400);
  font-size:13px;
  font-weight:500;
  white-space:nowrap;
}
.badge-data::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:currentColor;
  flex-shrink:0;
}
.badge-data b{
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.badge-data.is-gold{
  background:rgba(255,201,107,.1);
  color:var(--gold-300);
  box-shadow:inset 0 0 0 1px rgba(255,201,107,.34);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-cat-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--shadow-2);
  background:var(--ink-700);
}
.hero-cat-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-cat-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,16,31,0) 42%,rgba(20,16,31,.62) 100%);
  pointer-events:none;
}
.media-badge{
  position:absolute;
  right:16px;
  bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(20,16,31,.84);
  border:1px solid rgba(255,201,107,.45);
  color:var(--gold-300);
  font-size:12.5px;
  font-variant-numeric:tabular-nums;
}
.media-badge::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--gold-300);
}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,6vw,92px) 0}
.section-tight{padding-top:0}
.section-paper{background:var(--paper);color:var(--text-dark)}
.section-paper a{color:var(--aurora-deep)}
.section-paper a:hover{color:#0A6E68}
.sec-head{max-width:760px;margin-bottom:clamp(26px,3vw,40px)}
.sec-head h2{
  font-size:clamp(24px,2.6vw,32px);
  position:relative;
  padding-left:16px;
  letter-spacing:.01em;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  bottom:.22em;
  width:4px;
  border-radius:2px;
  background:var(--brand-500);
}
.sec-head p{
  margin-top:12px;
  font-size:15.5px;
  line-height:1.85;
}
.section:not(.section-paper) .sec-head p{color:var(--text-muted)}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#7A7488;
  margin-bottom:26px;
}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{
  content:"/";
  color:#B6B0C2;
}
.crumbs a{color:#5A5468}
.crumbs a:hover{color:var(--aurora-deep)}
.crumbs .current{color:var(--text-dark);font-weight:600}

/* ---------- 主体两列 ---------- */
.content-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:clamp(24px,3vw,40px);
  align-items:start;
}

/* 拍立得卡片 */
.polaroid-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.polaroid-card{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:16px 16px 18px;
  border-radius:var(--r-lg);
  background:#fff;
  border:var(--line-dark);
  box-shadow:var(--shadow-paper);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.polaroid-card:hover{
  transform:translateY(-4px);
  border-color:rgba(63,211,198,.5);
  box-shadow:0 18px 40px rgba(20,16,31,.14);
}
.polaroid-figure{
  position:relative;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--ink-700);
  border:1px solid rgba(34,28,51,.08);
}
.polaroid-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s ease-out;
}
.polaroid-card:hover .polaroid-figure img{transform:scale(1.03)}
.polaroid-no{
  position:absolute;
  left:12px;
  top:12px;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  background:rgba(20,16,31,.8);
  border:1px solid rgba(255,201,107,.5);
  color:var(--gold-300);
  font-size:12px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.polaroid-card h3{
  font-size:19px;
  line-height:1.45;
  margin:16px 0 8px;
  color:var(--text-dark);
}
.polaroid-card .p-desc{
  font-size:14.5px;
  line-height:1.78;
  color:#5A5468;
  margin-bottom:14px;
}
.param-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
}
.param-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(63,211,198,.12);
  border:1px solid rgba(63,211,198,.3);
  color:#127E77;
  font-size:12px;
  letter-spacing:.02em;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.param-pill i{font-size:12px;opacity:.85}
.p-card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px dashed rgba(34,28,51,.14);
  font-size:13px;
  color:#7A7488;
  font-variant-numeric:tabular-nums;
}
.p-card-foot a{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-weight:600;
  color:var(--aurora-deep);
}
.p-card-foot a:hover{color:var(--brand-600)}

/* 侧栏 */
.side-rail{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:#fff;
  border-radius:var(--r-lg);
  border:var(--line-dark);
  padding:20px 20px 18px;
  box-shadow:var(--shadow-paper);
}
.side-title{
  font-size:16px;
  font-weight:700;
  color:var(--text-dark);
  position:relative;
  padding-left:13px;
  margin-bottom:14px;
}
.side-title::before{
  content:"";
  position:absolute;
  left:0;
  top:3px;
  bottom:3px;
  width:4px;
  border-radius:2px;
  background:var(--brand-500);
}
.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 0;
  font-size:14.5px;
  color:#4A4458;
  border-bottom:1px dashed rgba(34,28,51,.1);
}
.side-nav a:last-child{border-bottom:none;padding-bottom:0}
.side-nav a:hover{color:var(--aurora-deep);padding-left:4px;transition:padding-left .18s ease}
.side-nav a i{font-size:13px;color:#B6B0C2}
.side-pick{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:11px 0;
  border-bottom:1px dashed rgba(34,28,51,.1);
}
.side-pick:last-child{border-bottom:none;padding-bottom:0}
.side-pick .num{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,107,61,.12);
  color:var(--brand-600);
  font-size:12.5px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.side-pick .txt{font-size:14px;line-height:1.6;color:#3D374C}
.side-pick .txt span{display:block;font-size:12.5px;color:#8C86A0;margin-top:3px}
.side-cta{
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);
  padding:22px 20px;
  color:var(--text-light);
  box-shadow:var(--shadow-1);
}
.side-cta h4{font-size:16px;color:#fff;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:var(--text-muted);line-height:1.75;margin-bottom:16px}
.side-cta .btn-x{width:100%}

/* ---------- 参数怎么读 ---------- */
.note-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:clamp(24px,3.4vw,48px);
  align-items:start;
  padding-top:clamp(36px,4vw,56px);
  border-top:1px solid rgba(34,28,51,.1);
}
.note-grid h2{
  font-size:clamp(23px,2.4vw,30px);
  padding-left:16px;
  position:relative;
  margin-bottom:14px;
}
.note-grid h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:4px;border-radius:2px;
  background:var(--brand-500);
}
.note-grid .note-lead{
  font-size:15.5px;
  line-height:1.9;
  color:#5A5468;
}
.note-lead a{font-weight:600;text-decoration:underline;text-underline-offset:4px}
.step-list{display:flex;flex-direction:column;gap:14px}
.step-item{
  display:flex;
  gap:16px;
  padding:18px 20px;
  border-radius:var(--r-md);
  background:#fff;
  border:var(--line-dark);
  box-shadow:var(--shadow-paper);
  transition:border-color .18s ease,transform .18s ease-out;
}
.step-item:hover{border-color:rgba(63,211,198,.5);transform:translateY(-2px)}
.step-item .step-no{
  flex-shrink:0;
  width:34px;height:34px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(63,211,198,.14);
  color:#127E77;
  font-weight:700;
  font-size:14px;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:16.5px;color:var(--text-dark);margin-bottom:4px}
.step-item p{font-size:14px;line-height:1.78;color:#5A5468}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-acc .accordion-item{
  border:none;
  border-radius:var(--r-md);
  background:#fff;
  margin-bottom:12px;
  box-shadow:var(--shadow-paper);
  overflow:hidden;
}
.faq-acc .accordion-button{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text-dark);
  background:#fff;
  border-radius:var(--r-md)!important;
  box-shadow:none;
  transition:box-shadow .2s ease,background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--text-dark);
  background:#fff;
  box-shadow:inset 3px 0 0 var(--aurora-400);
}
.faq-acc .accordion-button:focus{
  box-shadow:inset 3px 0 0 var(--aurora-400),0 0 0 2px rgba(63,211,198,.32);
  z-index:2;
}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;
  height:auto;
  font-size:20px;
  font-weight:600;
  line-height:1;
  color:var(--aurora-deep);
  transform:none;
  margin-left:auto;
  transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:none;
}
.faq-acc .accordion-body{
  padding:0 22px 20px 22px;
  font-size:14.8px;
  line-height:1.88;
  color:#5A5468;
}

/* ---------- 其他分类 ---------- */
.other-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.other-card{
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 24px;
  border-radius:var(--r-lg);
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.08);
  color:var(--text-light);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.other-card:hover{
  transform:translateY(-4px);
  border-color:rgba(63,211,198,.5);
  box-shadow:var(--shadow-2);
  color:var(--text-light);
}
.other-card .oc-icon{
  flex-shrink:0;
  width:46px;height:46px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(63,211,198,.12);
  color:var(--aurora-400);
  font-size:20px;
}
.other-card h3{font-size:17px;color:#fff;margin-bottom:4px}
.other-card p{font-size:13.5px;color:var(--text-muted);line-height:1.7}
.other-card .arrow{margin-left:auto;color:var(--aurora-400);font-size:18px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:clamp(28px,4vw,46px);
  background:linear-gradient(135deg,#FF6B3D 0%,#9B3A29 46%,#14101F 100%);
  box-shadow:var(--shadow-2);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 26%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.4px 1.4px at 74% 34%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.8px 1.8px at 88% 78%,rgba(255,201,107,.8),transparent 60%);
  opacity:.6;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{
  font-size:clamp(22px,2.5vw,30px);
  color:#fff;
  margin-bottom:8px;
}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.82);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.5)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.cta-note{
  width:100%;
  font-size:12.5px;
  color:rgba(255,255,255,.62);
  letter-spacing:.02em;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:#0F0C18;
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:180px;
  pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 14% 30%,rgba(255,201,107,.55),transparent 60%),
    radial-gradient(1.2px 1.2px at 62% 18%,rgba(236,233,245,.4),transparent 60%),
    radial-gradient(1.6px 1.6px at 86% 52%,rgba(63,211,198,.45),transparent 60%);
  opacity:.7;
}
.footer-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.45fr 1fr 1fr 1.2fr;
  gap:clamp(24px,3vw,40px);
  padding-bottom:40px;
}
.footer-brand .brand-name{
  display:flex;
  align-items:center;
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.footer-brand .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand-500);
  margin-right:9px;
  box-shadow:0 0 0 4px rgba(255,107,61,.16);
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-muted);
  max-width:32em;
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-links a{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:var(--text-muted);
}
.footer-links a:hover{color:var(--aurora-400)}
.footer-info span{
  display:block;
  padding:4px 0;
  font-size:14px;
  color:var(--text-muted);
  line-height:1.75;
}
.footer-info b{color:#D9D4E8;font-weight:600}
.footer-bottom{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 0 22px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:#8C86A0;
}
.footer-bottom .dot-sep{margin:0 6px;color:#5C5670}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--aurora-400);
  font-size:13px;
}
.back-top:hover{color:var(--gold-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1400px){
  .nav-search input{width:112px}
}
@media (max-width:1200px){
  .content-grid{grid-template-columns:1fr}
  .side-rail{position:static;flex-direction:row;flex-wrap:wrap;gap:18px}
  .side-rail > *{flex:1 1 280px}
  .nav-search{display:none}
}
@media (max-width:992px){
  .nav-main{display:none}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .hero-cat-grid{grid-template-columns:1fr}
  .hero-cat-media{order:-1}
  .hero-cat-media img{aspect-ratio:16/9}
  .note-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .other-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .topbar .notice{display:none}
  .topbar-inner{justify-content:space-between;gap:10px}
  .polaroid-grid{grid-template-columns:1fr}
  .hero-actions .btn-x,.hero-actions .btn-ghost{flex:1 1 auto}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-x,.cta-actions .btn-ghost{flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:576px){
  .footer-grid{grid-template-columns:1fr}
  .brand-name{font-size:17px}
  .hero-stats{gap:8px}
  .badge-data{font-size:12px;padding:0 12px}
  .polaroid-card h3{font-size:17.5px}
  .side-rail{flex-direction:column}
  .side-rail > *{flex:1 1 auto;width:100%}
}
@media (hover:none){
  .polaroid-card:hover{transform:none}
  .other-card:hover{transform:none}
  .step-item:hover{transform:none}
  .btn-x:hover,.btn-ghost:hover{transform:none}
}