/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-soft:#242a52;
  --ink-deep:#12162e;
  --gold:#ffb400;
  --gold-deep:#e79b00;
  --gold-soft:rgba(255,180,0,.14);
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b1f33;
  --muted:#6a7088;
  --muted-2:#8a90a8;
  --border:#e6e8f2;
  --radius:12px;
  --radius-lg:18px;
  --radius-xl:26px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 14px 34px rgba(26,31,61,.10);
  --shadow-lg:0 28px 64px rgba(26,31,61,.16);
  --ease:cubic-bezier(.22,.68,.32,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:hover,a:focus{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1180px}
::selection{background:rgba(255,180,0,.35)}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0;position:relative}
.section-alt{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;
  color:#b57a00;background:var(--gold-soft);padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#ffc94d;background:rgba(255,180,0,.14)}
.section-title{font-size:clamp(23px,2.6vw,33px);font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:16px}
.section-dark .section-title{color:#fff}
.section-desc{color:#5f6784;font-size:16px;line-height:1.9}
.section-dark .section-desc{color:rgba(255,255,255,.72)}

/* ---------- 按钮 ---------- */
.btn-gold,.btn-ghost,.btn-outline-ink,.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:13px 26px;border-radius:11px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
  border:0;cursor:pointer;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9d00);color:#221a00;box-shadow:0 12px 26px rgba(255,157,0,.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,157,0,.38);color:#221a00}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-outline-ink{background:transparent;color:var(--ink);border:1.5px solid var(--border)}
.btn-outline-ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
a:focus-visible,button:focus-visible,.nav-link:focus-visible{
  outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:8px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(23,27,55,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 34px rgba(8,11,26,.42);background:rgba(20,24,48,.98)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-badge{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffc633,#ff8d00);color:#231a00;
  font-weight:900;font-size:18px;letter-spacing:-1px;
  box-shadow:0 8px 20px rgba(255,157,0,.36);
  transition:transform .3s var(--ease);
}
.brand:hover .brand-badge{transform:rotate(-6deg) scale(1.05)}
.brand-name{font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:.4px}
.brand-sub{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.48);letter-spacing:1.6px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  padding:10px 15px;border-radius:10px;white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#ffc633,#ff8d00);
}
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;background:none;border:0;
  color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  padding:10px 15px;border-radius:10px;cursor:pointer;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.mega-trigger:hover{color:#fff;background:rgba(255,255,255,.09)}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform .28s var(--ease)}
.mega:hover .caret,.mega:focus-within .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;width:430px;
  background:#fff;border-radius:18px;border:1px solid #eceffa;
  padding:20px;box-shadow:0 30px 70px rgba(12,17,40,.30);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:11px;font-weight:800;letter-spacing:2.4px;color:var(--muted-2);margin-bottom:14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-item{display:block;padding:11px 13px;border-radius:11px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mega-item strong{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.mega-item span{display:block;font-size:12px;color:var(--muted-2);line-height:1.6}
.mega-item:hover{background:#f4f6fd;transform:translateX(3px)}
.mega-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted-2)}
.nav-toggle{display:none;background:none;border:0;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:23px;height:2px;background:#fff;border-radius:2px;margin:5px 0;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:70px 0 108px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;transform:scale(1.04)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(13,17,38,.97) 0%,rgba(23,28,58,.90) 46%,rgba(28,34,70,.62) 100%)}
.hero-glow{position:absolute;width:560px;height:560px;border-radius:50%;filter:blur(110px);opacity:.30;pointer-events:none}
.hero-glow.g1{background:#ffb400;top:-200px;right:-120px}
.hero-glow.g2{background:#3b4fd8;bottom:-260px;left:-160px;opacity:.35}
.hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:#ffd673;background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.30);
  padding:6px 15px;border-radius:99px;margin-bottom:22px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:#ffc633;font-style:normal;box-shadow:0 0 0 4px rgba(255,198,51,.20)}
.hero h1{
  font-size:clamp(29px,3.8vw,45px);font-weight:900;line-height:1.28;
  letter-spacing:-.6px;margin-bottom:22px;color:#fff;
}
.hero h1 .hl{color:var(--gold);position:relative;white-space:nowrap}
.hero-lead{font-size:16px;line-height:1.95;color:rgba(255,255,255,.78);max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px}
.hero-stats li strong{display:block;font-size:26px;font-weight:900;color:#fff;letter-spacing:-.5px;line-height:1.1}
.hero-stats li span{font-size:13px;color:rgba(255,255,255,.55)}

.hero-demo{position:relative}
.demo-card{
  background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-xl);padding:26px;backdrop-filter:blur(10px);
  box-shadow:0 30px 70px rgba(0,0,0,.38);
}
.demo-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:22px}
.demo-dot{width:8px;height:8px;border-radius:50%;background:#37e0a0;box-shadow:0 0 0 4px rgba(55,224,160,.18)}
.demo-tag{margin-left:auto;font-size:11px;font-weight:600;color:#ffc633;border:1px solid rgba(255,180,0,.42);padding:2px 9px;border-radius:99px}
.track-row{display:grid;grid-template-columns:74px 1fr 34px;align-items:center;gap:12px;margin-bottom:15px}
.track-label{font-size:13px;color:rgba(255,255,255,.72)}
.track-bar{height:8px;border-radius:99px;background:rgba(255,255,255,.13);overflow:hidden}
.track-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#ffc633,#ff8d00);width:0;transition:width 1.1s var(--ease)}
.track-row em{font-style:normal;font-size:12px;color:rgba(255,255,255,.52);text-align:right}
.demo-note{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;line-height:1.8;color:rgba(255,255,255,.60)}

/* ---------- 数据条 ---------- */
.stats-wrap{position:relative;z-index:6;margin-top:-58px;padding-bottom:0;background:transparent}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);overflow:hidden;border:1px solid var(--border);
}
.stat-item{padding:26px 22px;text-align:center;border-right:1px solid var(--border);transition:background .25s var(--ease)}
.stat-item:last-child{border-right:0}
.stat-item:hover{background:#fafbff}
.stat-num{font-size:31px;font-weight:900;color:var(--ink);line-height:1.1;letter-spacing:-1px}
.stat-num em{font-style:normal;font-size:15px;color:var(--gold-deep);margin-left:2px;font-weight:800}
.stat-label{font-size:13px;color:var(--muted-2);margin-top:7px}

/* ---------- 价值板块 ---------- */
.value-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.value-sticky{position:sticky;top:104px}
.value-list{display:grid;gap:16px}
.value-item{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px 26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.value-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d9deef}
.value-index{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#fff2d1,#ffe1a3);color:#a87200;font-weight:900;font-size:15px;
}
.value-item h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:7px}
.value-item p{font-size:14.5px;line-height:1.85;color:#606783}

/* ---------- 功能展示 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.feature-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .8s var(--ease)}
.feature-media:hover img{transform:scale(1.05)}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,44,0) 45%,rgba(16,20,44,.72) 100%)}
.feature-caption{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff}
.feature-caption strong{display:block;font-size:16px;font-weight:800;margin-bottom:4px}
.feature-caption span{font-size:13px;color:rgba(255,255,255,.78)}
.feature-list{display:grid;gap:18px}
.feature-row{display:grid;grid-template-columns:38px 1fr;gap:16px;padding-bottom:18px;border-bottom:1px dashed var(--border)}
.feature-row:last-child{border-bottom:0;padding-bottom:0}
.feature-num{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--ink);color:var(--gold);font-weight:800;font-size:14px;
}
.feature-row h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.feature-row p{font-size:14.5px;line-height:1.85;color:#606783}

/* ---------- 三步上手 ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 26px 28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.step-card::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,#ffc633,#ff8d00);opacity:0;transition:opacity .3s var(--ease);
}
.step-card:hover::before{opacity:1}
.step-no{font-size:44px;font-weight:900;color:#edeff9;line-height:1;letter-spacing:-2px;margin-bottom:10px}
.step-card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:9px}
.step-card p{font-size:14.5px;line-height:1.85;color:#606783}

/* ---------- 多端入口 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.device-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7dcef}
.device-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,#eef1ff,#dfe4ff);color:#3743b5;font-size:20px;font-weight:800;
}
.device-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}
.device-card p{font-size:14.5px;line-height:1.85;color:#606783}

/* ---------- 场景矩阵 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card{
  background:#fbfcff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:background .25s var(--ease),transform .25s var(--ease);
}
.scene-card:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.scene-card h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:7px;display:flex;gap:8px;align-items:center}
.scene-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0}
.scene-card p{font-size:14px;line-height:1.8;color:#606783}

/* ---------- 评价墙 ---------- */
.voice-wall{columns:3;column-gap:20px}
.voice-card{
  break-inside:avoid;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:24px;margin-bottom:20px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.voice-text{font-size:14.5px;line-height:1.9;color:#4c5470;margin-bottom:16px}
.voice-text::before{content:"“";color:var(--gold);font-size:26px;font-weight:900;line-height:0;margin-right:2px;vertical-align:-6px}
.voice-meta{display:flex;align-items:center;gap:10px;padding-top:14px;border-top:1px solid var(--border)}
.voice-avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#1a1f3d,#3b44a0);color:#ffc633;font-size:13px;font-weight:800;
}
.voice-name{font-size:13.5px;font-weight:700;color:var(--ink)}
.voice-role{font-size:12px;color:var(--muted-2)}

/* ---------- 上手条件 ---------- */
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.req-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}
.req-card h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.req-card h3 span{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--gold-soft);color:#a87200;font-size:13px;font-weight:900;
}
.req-list{display:grid;gap:12px}
.req-list li{display:flex;justify-content:space-between;gap:16px;font-size:14px;padding-bottom:12px;border-bottom:1px dashed var(--border)}
.req-list li:last-child{border-bottom:0;padding-bottom:0}
.req-list li b{color:var(--ink);font-weight:700;flex-shrink:0}
.req-list li span{color:#606783;text-align:right}

/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--border)}
.compare-col.bad{background:#fdfaf7;border-color:#f0e3d5}
.compare-col.good{background:linear-gradient(160deg,#fffdf5,#fff7e2);border-color:#f3dfa8}
.compare-col h3{font-size:17px;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.compare-col.bad h3{color:#a45c22}
.compare-col.good h3{color:#9a6a00}
.compare-col h3 i{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:900;color:#fff}
.compare-col.bad h3 i{background:#d98b4a}
.compare-col.good h3 i{background:#e79b00}
.compare-list li{position:relative;padding-left:20px;font-size:14.5px;line-height:1.9;color:#5b627e;margin-bottom:12px}
.compare-list li:last-child{margin-bottom:0}
.compare-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:#c9cfe4}
.compare-col.good .compare-list li::before{background:var(--gold)}

/* ---------- 分类入口墙 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic-card{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink);color:#fff;padding:30px 26px 28px;min-height:214px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
  border:1px solid rgba(255,255,255,.08);
}
.topic-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
  transition:transform .5s var(--ease);
}
.topic-card:hover{transform:translateY(-6px);box-shadow:0 26px 50px rgba(17,22,50,.32);color:#fff}
.topic-card:hover::after{transform:scale(1.28)}
.topic-tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1.6px;color:#ffc633;background:rgba(255,180,0,.14);padding:4px 11px;border-radius:99px;margin-bottom:16px}
.topic-card h3{font-size:19px;font-weight:800;margin-bottom:10px;position:relative;z-index:2}
.topic-card p{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.70);position:relative;z-index:2}
.topic-more{margin-top:18px;font-size:13.5px;font-weight:700;color:var(--gold);display:inline-flex;align-items:center;gap:6px;position:relative;z-index:2;transition:gap .25s var(--ease)}
.topic-card:hover .topic-more{gap:11px}

/* ---------- 热门专题卡 ---------- */
.feature-articles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.article-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:20px 22px 24px}
.article-body h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.5}
.article-body p{font-size:14px;line-height:1.8;color:#606783}

/* ---------- 更新日志 ---------- */
.log-list{position:relative;padding-left:26px}
.log-list::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#ffc633,#e6e8f2)}
.log-item{position:relative;padding:0 0 26px 4px}
.log-item:last-child{padding-bottom:0}
.log-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.log-ver{font-size:12.5px;font-weight:800;color:#a87200;letter-spacing:1px;margin-bottom:5px}
.log-item h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.log-item p{font-size:14.2px;line-height:1.8;color:#606783}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;
  background:linear-gradient(120deg,#fff8e6,#fffdf7);
  border:1px solid #f2e0b0;border-radius:var(--radius-lg);padding:24px 28px;
}
.notice-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:#ffcf4d;color:#5b3d00;font-size:20px;font-weight:900;flex-shrink:0;
}
.notice-bar h3{font-size:16px;font-weight:800;color:#7a5400;margin-bottom:5px}
.notice-bar p{font-size:14px;line-height:1.85;color:#8a6a25}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 26px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq-item:hover{border-color:#d6dcf0;box-shadow:var(--shadow-sm)}
.faq-q{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:10px;display:flex;gap:10px;line-height:1.6}
.faq-q::before{content:"Q";flex-shrink:0;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;background:var(--ink);color:var(--gold);font-size:12.5px;font-weight:900;margin-top:2px}
.faq-a{font-size:14.3px;line-height:1.9;color:#606783;padding-left:34px}

/* ---------- 资讯列表（CMS） ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#d7dcef}
.news-cat{align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:1.2px;color:#a87200;background:var(--gold-soft);padding:4px 11px;border-radius:99px;margin-bottom:14px}
.news-title{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.55;margin-bottom:10px}
.news-sum{font-size:14px;line-height:1.82;color:#606783;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted-2)}
.news-arrow{color:var(--gold-deep);font-weight:700;transition:transform .25s var(--ease)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty-note{
  background:#fbfcff;border:1px dashed #d5daee;border-radius:var(--radius-lg);
  padding:36px;text-align:center;color:var(--muted-2);font-size:14.5px;
}

/* ---------- 收口 CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--radius-xl);padding:58px 46px;text-align:center;
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 18%,rgba(255,180,0,.24),transparent 46%),
             radial-gradient(circle at 82% 78%,rgba(72,88,220,.34),transparent 52%);
}
.final-cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.final-cta h2{font-size:clamp(23px,2.8vw,32px);font-weight:900;margin-bottom:16px;line-height:1.38}
.final-cta p{font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.76);margin-bottom:28px}
.final-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:#11152c;color:rgba(255,255,255,.72);padding:62px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 2fr;gap:52px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.55);max-width:330px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h4{font-size:13.5px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.8px}
.footer-col a{display:block;font-size:13.8px;color:rgba(255,255,255,.58);padding:5px 0;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:24px;font-size:12.8px;color:rgba(255,255,255,.42)}
.footer-bottom span{letter-spacing:.4px}

/* ---------- 动效 ---------- */
.js-anim .reveal{opacity:0;transform:translateY(20px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.js-anim .reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero{padding:56px 0 100px}
  .value-grid{grid-template-columns:1fr;gap:32px}
  .value-sticky{position:static}
  .feature-grid{grid-template-columns:1fr;gap:32px}
  .steps-grid,.device-grid,.scene-grid,.topic-grid,.feature-articles{grid-template-columns:repeat(2,1fr)}
  .voice-wall{columns:2}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border)}
  .footer-top{grid-template-columns:1fr;gap:34px}
}
@media (max-width:991px){
  .nav-toggle{display:block}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#171b37;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 22px;border-top:1px solid rgba(255,255,255,.08);
    display:none;box-shadow:0 24px 50px rgba(8,11,26,.45);
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:13px 14px;font-size:15.5px}
  .nav-link.active::after{left:14px;right:auto;width:26px}
  .mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;padding:13px 14px;font-size:15.5px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;margin-top:8px;box-shadow:none;border:1px solid rgba(255,255,255,.1);
    background:#1d2244;border-radius:14px;padding:14px;
  }
  .mega.open .mega-panel{display:block}
  .mega-title{color:rgba(255,255,255,.45)}
  .mega-item strong{color:#fff}
  .mega-item span{color:rgba(255,255,255,.55)}
  .mega-item:hover{background:rgba(255,255,255,.07)}
  .mega-foot{border-top-color:rgba(255,255,255,.1);color:rgba(255,255,255,.45)}
  .mega-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:15px}
  .section{padding:56px 0}
  .hero{padding:44px 0 92px}
  .hero h1{font-size:clamp(25px,6.2vw,32px);letter-spacing:-.3px}
  .hero-lead{font-size:15px;line-height:1.9}
  .hero-stats{gap:24px}
  .hero-actions{gap:10px}
  .btn-gold,.btn-ghost,.btn-outline-ink,.btn-dark{padding:12px 20px;font-size:14.5px}
  .steps-grid,.device-grid,.scene-grid,.topic-grid,.feature-articles,
  .req-grid,.compare-grid,.faq-grid{grid-template-columns:1fr}
  .voice-wall{columns:1}
  .notice-bar{grid-template-columns:1fr;gap:14px;padding:22px}
  .final-cta{padding:42px 24px;border-radius:var(--radius-lg)}
  .section-head{margin-bottom:30px}
  .detail-note{font-size:13.5px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .brand-badge{width:36px;height:36px;font-size:16px}
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--border)}
  .stat-item:last-child{border-bottom:0}
  .value-item,.step-card,.device-card,.faq-item,.news-card{padding:20px}
  .track-row{grid-template-columns:64px 1fr 30px}
  .footer-cols{grid-template-columns:1fr}
  .hero-stats li strong{font-size:22px}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242a52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-deep:#e79b00;
 --gold-soft:rgba(255,180,0,.14);
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b1f33;
 --muted:#6a7088;
 --muted-2:#8a90a8;
 --border:#e6e8f2;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.10);
 --shadow-lg:0 28px 64px rgba(26,31,61,.16);
 --ease:cubic-bezier(.22,.68,.32,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.8;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:hover,a:focus{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
.container{max-width:1180px;margin:0 auto;padding-left:18px;padding-right:18px;width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0;position:relative}
.section-alt{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;
 color:#b57a00;background:var(--gold-soft);padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#ffc94d;background:rgba(255,180,0,.14)}
.section-title{font-size:clamp(23px,2.6vw,33px);font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:16px}
.section-dark .section-title{color:#fff}
.section-desc{color:#5f6784;font-size:16px;line-height:1.9}
.section-dark .section-desc{color:rgba(255,255,255,.72)}

/* ---------- 按钮 ---------- */
.btn-gold,.btn-ghost,.btn-outline-ink,.btn-dark{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 font-size:15px;font-weight:700;padding:13px 26px;border-radius:11px;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
 border:0;cursor:pointer;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9d00);color:#221a00;box-shadow:0 12px 26px rgba(255,157,0,.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,157,0,.38);color:#221a00}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-outline-ink{background:transparent;color:var(--ink);border:1.5px solid var(--border)}
.btn-outline-ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
a:focus-visible,button:focus-visible,.nav-link:focus-visible,.mega-trigger:focus-visible{
 outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:8px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1050;
 background:rgba(23,27,55,.94);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 34px rgba(8,11,26,.42);background:rgba(20,24,48,.98)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-badge{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffc633,#ff8d00);color:#231a00;
 font-weight:900;font-size:18px;letter-spacing:-1px;
 box-shadow:0 8px 20px rgba(255,157,0,.36);
 transition:transform .3s var(--ease);
}
.brand:hover .brand-badge{transform:rotate(-6deg) scale(1.05)}
.brand-name{font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:.4px}
.brand-sub{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.48);letter-spacing:1.6px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;white-space:nowrap;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);font-weight:700}
.nav-link.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#ffc633,#ff8d00);
}
.mega{position:relative}
.mega-trigger{
 display:inline-flex;align-items:center;gap:7px;background:none;border:0;
 color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;cursor:pointer;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.mega-trigger:hover{color:#fff;background:rgba(255,255,255,.09)}
.caret{
 width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
 transform:rotate(45deg) translateY(-2px);transition:transform .22s var(--ease);display:inline-block;
}
.mega:hover .caret,.mega:focus-within .caret{transform:rotate(225deg) translateY(-2px)}
.mega-panel{
 position:absolute;top:calc(100% + 16px);right:0;width:430px;
 background:#fff;border-radius:18px;border:1px solid #eceffa;
 padding:20px;box-shadow:0 30px 70px rgba(12,17,40,.30);
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:11px;font-weight:800;letter-spacing:2.4px;color:var(--muted-2);margin-bottom:14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-item{display:block;padding:11px 13px;border-radius:11px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mega-item strong{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.mega-item span{display:block;font-size:12px;color:var(--muted-2);line-height:1.6}
.mega-item:hover{background:#f4f6fd;transform:translateX(3px)}
.mega-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted-2);line-height:1.7}
.nav-toggle{display:none;background:none;border:0;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:23px;height:2px;background:#fff;border-radius:2px;margin:5px 0;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 文章头图 ---------- */
.article-hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(120deg,#141834 0%,#1a1f3d 55%,#252c58 100%);
 padding:64px 0 58px;
}
.article-hero .hero-bg{
 position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
 opacity:.34;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 78% 18%,rgba(255,180,0,.22),transparent 58%),
            linear-gradient(180deg,rgba(18,22,46,.55),rgba(18,22,46,.92));
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.78);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--gold)}
.crumbs .sep{opacity:.45}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}
.tag{
 display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;letter-spacing:.6px;
 padding:6px 13px;border-radius:99px;background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.88);
}
.tag-gold{background:linear-gradient(135deg,rgba(255,198,51,.22),rgba(255,141,0,.18));border-color:rgba(255,180,0,.42);color:#ffd06b}
.article-title{
 font-size:clamp(26px,3.7vw,42px);font-weight:900;line-height:1.3;letter-spacing:-.4px;
 margin-bottom:18px;max-width:900px;color:#fff;
}
.article-lead{
 max-width:900px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.78);
 border-left:3px solid rgba(255,180,0,.72);padding-left:16px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.66)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}

/* ---------- 阅读要点条 ---------- */
.keypoints{position:relative;z-index:3;margin-top:-38px}
.keypoints-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-md);padding:26px 28px;
 display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.keypoint{padding-left:16px;border-left:3px solid rgba(255,180,0,.55)}
.keypoint:first-child{border-left:3px solid rgba(255,180,0,.55)}
.keypoint h3{font-size:14.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.keypoint p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 正文 ---------- */
.article-wrap{padding:56px 0 20px}
.article-shell{max-width:860px;margin:0 auto}
.article-body{font-size:16.5px;line-height:2;color:#2b3050}
.article-body h2{
 font-size:clamp(20px,2.3vw,26px);font-weight:800;color:var(--ink);
 margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--gold);line-height:1.5;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;font-weight:800;color:var(--ink-soft);margin:30px 0 12px;line-height:1.55}
.article-body h4{font-size:16px;font-weight:800;color:var(--ink-soft);margin:22px 0 10px}
.article-body p{margin:0 0 18px}
.article-body strong{color:var(--ink);font-weight:800}
.article-body ul,.article-body ol{margin:0 0 20px;padding:0}
.article-body ul li,.article-body ol li{
 position:relative;padding-left:22px;margin-bottom:10px;color:#333a5c;
}
.article-body ul li::before{
 content:"";position:absolute;left:2px;top:13px;width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,#ffc633,#ff9d00);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li;padding-left:30px}
.article-body ol li::before{
 content:counter(li);position:absolute;left:0;top:4px;
 width:21px;height:21px;border-radius:7px;display:grid;place-items:center;
 font-size:12px;font-weight:800;color:#372600;background:rgba(255,180,0,.85);
}
.article-body blockquote{
 margin:24px 0;padding:18px 22px;border-radius:var(--radius);
 background:#f6f8ff;border-left:4px solid var(--gold);color:#3a4166;font-size:15.5px;line-height:1.9;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);box-shadow:var(--shadow-sm);margin:24px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left}
.article-body th{background:#f6f8ff;color:var(--ink);font-weight:800}
.article-body a{color:#b57a00;font-weight:600;border-bottom:1px dashed rgba(181,122,0,.5)}
.article-body a:hover{color:var(--gold-deep)}
.article-body hr{border:0;border-top:1px solid var(--border);margin:34px 0}
.article-empty{
 text-align:center;padding:64px 24px;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
}
.article-empty h2{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:24px}

/* ---------- 文中转化条 ---------- */
.inline-cta{
 margin:44px 0 10px;padding:26px 28px;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#1a1f3d 0%,#252c58 100%);
 color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
 box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.inline-cta::before{
 content:"";position:absolute;right:-40px;top:-60px;width:220px;height:220px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.30),transparent 68%);
}
.inline-cta-text{position:relative;z-index:2;max-width:560px}
.inline-cta-text h3{font-size:18px;font-weight:800;margin-bottom:8px;color:#fff}
.inline-cta-text p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.inline-cta .btn-gold{position:relative;z-index:2}

/* ---------- 判断维度 ---------- */
.dim-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.dim-figure{
 border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);position:relative;
 border:1px solid rgba(26,31,61,.08);
}
.dim-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.dim-figure:hover img{transform:scale(1.04)}
.dim-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13px;color:#fff;
 background:linear-gradient(180deg,transparent,rgba(12,16,34,.86));
}
.dim-list{display:grid;gap:14px}
.dim-item{
 display:flex;gap:16px;padding:18px 20px;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.dim-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.dim-num{
 flex:0 0 40px;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffc633,#ff9d00);color:#2a1d00;font-weight:900;font-size:15px;
}
.dim-item h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:5px}
.dim-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 场景对照 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease);
 display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.scene-card .scene-label{
 align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:1.2px;color:#b57a00;
 background:var(--gold-soft);padding:5px 12px;border-radius:99px;margin-bottom:14px;
}
.scene-card h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.55}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:16px}
.scene-card .scene-do{
 margin-top:auto;font-size:13.5px;color:#333a5c;background:#f6f8ff;border-radius:10px;
 padding:12px 14px;line-height:1.8;border-left:3px solid rgba(255,180,0,.65);
}
.scene-card .scene-do strong{color:var(--ink)}

/* ---------- 常见问题 ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.4)}
.faq-q{
 width:100%;background:none;border:0;text-align:left;cursor:pointer;
 font-size:16px;font-weight:800;color:var(--ink);padding:20px 54px 20px 22px;
 position:relative;line-height:1.6;
}
.faq-q::after{
 content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;
 border-right:2px solid var(--gold-deep);border-bottom:2px solid var(--gold-deep);
 transform:translateY(-70%) rotate(45deg);transition:transform .26s var(--ease);
}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(225deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{
 display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.channel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.channel-card:hover .channel-thumb img{transform:scale(1.06)}
.channel-thumb::after{
 content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,46,0) 40%,rgba(18,22,46,.72));
}
.channel-body{padding:20px 22px 24px}
.channel-body h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}
.channel-body p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:14px}
.channel-more{font-size:13.5px;font-weight:800;color:#b57a00;display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .channel-more{color:var(--gold-deep)}
.channel-more::after{content:"→";transition:transform .25s var(--ease)}
.channel-card:hover .channel-more::after{transform:translateX(4px)}

/* ---------- 底部转化条 ---------- */
.cta-band{padding:0 0 80px}
.cta-band-inner{
 position:relative;overflow:hidden;border-radius:var(--radius-xl);
 background:linear-gradient(120deg,#1a1f3d 0%,#242a52 60%,#2f3768 100%);
 color:#fff;padding:52px 48px;display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band-inner::before{
 content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.cta-band-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;line-height:1.4;margin-bottom:14px;color:#fff;position:relative;z-index:2}
.cta-band-inner p{font-size:15px;color:rgba(255,255,255,.74);line-height:1.9;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:60px 0 26px}
.footer-top{display:grid;grid-template-columns:1.3fr 2fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:380px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.60);padding:5px 0;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.46)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .dim-layout{grid-template-columns:1fr;gap:30px}
 .keypoints-card{grid-template-columns:1fr 1fr}
 .scene-grid{grid-template-columns:1fr 1fr}
 .channel-grid{grid-template-columns:1fr 1fr}
 .cta-band-inner{grid-template-columns:1fr;padding:42px 32px}
 .cta-actions{justify-content:flex-start}
 .footer-top{grid-template-columns:1fr;gap:34px}
 .mega-panel{width:380px}
}
@media (max-width:860px){
 .nav-toggle{display:block}
 .main-nav{
  position:absolute;left:0;right:0;top:100%;
  flex-direction:column;align-items:stretch;gap:2px;
  background:rgba(20,24,48,.99);border-bottom:1px solid rgba(255,255,255,.08);
  padding:12px 18px 20px;
  max-height:0;overflow:hidden;opacity:0;visibility:hidden;
  transition:max-height .34s var(--ease),opacity .28s var(--ease),visibility .28s;
 }
 .main-nav.open{max-height:520px;opacity:1;visibility:visible;overflow-y:auto}
 .nav-link,.mega-trigger{width:100%;justify-content:space-between;padding:13px 12px;font-size:15.5px}
 .nav-link.active::after{display:none}
 .mega-panel{
  position:static;width:100%;opacity:1;visibility:visible;transform:none;
  display:none;box-shadow:none;border-radius:14px;margin-top:6px;
 }
 .mega.open .mega-panel{display:block}
 .mega:hover .mega-panel{display:none}
 .mega.open:hover .mega-panel{display:block}
 .section{padding:58px 0}
 .article-hero{padding:46px 0 52px}
 .cta-band{padding:0 0 60px}
}
@media (max-width:640px){
 .keypoints-card{grid-template-columns:1fr;padding:22px;gap:16px}
 .keypoints{margin-top:-28px}
 .scene-grid,.channel-grid{grid-template-columns:1fr}
 .article-body{font-size:16px;line-height:1.95}
 .article-body h2{margin-top:34px}
 .inline-cta{padding:22px}
 .inline-cta .btn-gold{width:100%}
 .cta-band-inner{padding:32px 22px}
 .cta-actions{width:100%}
 .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%}
 .footer-cols{grid-template-columns:1fr 1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .brand-name{font-size:15.5px}
 .brand-sub{font-size:10px;letter-spacing:1.2px}
 .mega-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242a52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-deep:#e79b00;
 --gold-soft:rgba(255,180,0,.14);
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b1f33;
 --muted:#6a7088;
 --muted-2:#8a90a8;
 --border:#e6e8f2;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.10);
 --shadow-lg:0 28px 64px rgba(26,31,61,.16);
 --ease:cubic-bezier(.22,.68,.32,1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.8;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
 padding-bottom:78px;
}
a{color:inherit;text-decoration:none}
a:hover,a:focus{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
.container{width:100%;max-width:1180px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
/* ---------- 通用板块 ---------- */
.section{padding:78px 0;position:relative}
.section-alt{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;
 color:#b57a00;background:var(--gold-soft);padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#ffc94d;background:rgba(255,180,0,.14)}
.section-title{font-size:clamp(23px,2.6vw,33px);font-weight:800;color:var(--ink);line-height:1.35;margin:0 0 16px}
.section-dark .section-title{color:#fff}
.section-desc{color:#5f6784;font-size:16px;line-height:1.9;margin:0}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
/* ---------- 按钮 ---------- */
.btn-gold,.btn-ghost,.btn-outline-ink,.btn-dark{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 font-size:15px;font-weight:700;padding:13px 26px;border-radius:11px;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
 border:0;cursor:pointer;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9d00);color:#221a00;box-shadow:0 12px 26px rgba(255,157,0,.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,157,0,.38);color:#221a00}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-outline-ink{background:transparent;color:var(--ink);border:1.5px solid var(--border)}
.btn-outline-ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
a:focus-visible,button:focus-visible,summary:focus-visible{
 outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:8px;
}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1050;
 background:rgba(23,27,55,.94);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 34px rgba(8,11,26,.42);background:rgba(20,24,48,.98)}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-badge{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffc633,#ff8d00);color:#231a00;
 font-weight:900;font-size:18px;letter-spacing:-1px;
 box-shadow:0 8px 20px rgba(255,157,0,.36);
 transition:transform .3s var(--ease);
}
.brand:hover .brand-badge{transform:rotate(-6deg) scale(1.05)}
.brand-name{display:block;font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:.4px}
.brand-sub{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.48);letter-spacing:1.6px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;white-space:nowrap;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);font-weight:700}
.nav-link.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#ffc633,#ff8d00);
}
.mega{position:relative}
.mega-trigger{
 display:inline-flex;align-items:center;gap:7px;background:none;border:0;
 color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;cursor:pointer;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.mega-trigger:hover{color:#fff;background:rgba(255,255,255,.09)}
.caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease);display:inline-block}
.mega:hover .caret,.mega.open .caret,.mega:focus-within .caret{transform:rotate(225deg) translateY(-2px)}
.mega-panel{
 position:absolute;top:calc(100% + 16px);right:0;width:430px;
 background:#fff;border-radius:18px;border:1px solid #eceffa;
 padding:20px;box-shadow:0 30px 70px rgba(12,17,40,.30);
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:11px;font-weight:800;letter-spacing:2.4px;color:var(--muted-2);margin:0 0 14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-item{display:block;padding:11px 13px;border-radius:11px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mega-item strong{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.mega-item span{display:block;font-size:12px;color:var(--muted-2);line-height:1.6}
.mega-item:hover{background:#f4f6fd;transform:translateX(3px)}
.mega-foot{margin:14px 0 0;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted-2)}
.nav-toggle{display:none;background:none;border:0;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:23px;height:2px;background:#fff;border-radius:2px;margin:5px 0;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden;padding:72px 0 84px}
.hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
 opacity:.32;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
  radial-gradient(900px 420px at 80% 12%,rgba(255,180,0,.22),transparent 62%),
  radial-gradient(700px 400px at 6% 92%,rgba(70,110,255,.20),transparent 60%),
  linear-gradient(180deg,rgba(18,22,46,.74),rgba(18,22,46,.97));
}
.hero .container{position:relative;z-index:2}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-title{
 font-size:clamp(28px,3.6vw,44px);line-height:1.28;font-weight:800;
 letter-spacing:-.4px;margin:0 0 20px;color:#fff;
}
.hero-title em{font-style:normal;color:var(--gold);background:linear-gradient(180deg,transparent 66%,rgba(255,180,0,.22) 66%)}
.hero-sub{font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.74);margin:0 0 28px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.hero-meta div{min-width:96px}
.hero-meta strong{display:block;font-size:24px;font-weight:800;color:var(--gold);line-height:1.2}
.hero-meta span{font-size:12.5px;color:rgba(255,255,255,.56);letter-spacing:.6px}
.hero-panel{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);
 padding:26px 24px;
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
 box-shadow:0 30px 70px rgba(6,9,22,.44);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:1.4px;color:#ffc94d;margin-bottom:18px}
.panel-head .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.panel-list{list-style:none;margin:0;padding:0}
.panel-list li{
 display:flex;gap:13px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.12);
 font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.7;
}
.panel-list li:last-child{border-bottom:0;padding-bottom:0}
.panel-list b{color:#fff;font-weight:700;flex:0 0 78px;font-size:14px}
.panel-foot{margin:18px 0 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.75}
/* ---------- 规则四段 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rule-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);
 transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
 height:100%;
}
.rule-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.rule-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:11px;margin-bottom:16px;
 background:linear-gradient(135deg,#ffc633,#ff9d00);color:#231a00;
 font-weight:900;font-size:15px;letter-spacing:-.5px;
}
.rule-title{font-size:17.5px;font-weight:800;color:var(--ink);margin:0 0 10px}
.rule-text{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0 0 16px}
.rule-points{list-style:none;margin:0;padding:0;font-size:13px;color:#4c5370}
.rule-points li{position:relative;padding-left:16px;margin-bottom:6px;line-height:1.7}
.rule-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--gold)}
/* ---------- 倍率判定 ---------- */
.judge-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:start}
.judge-list{display:grid;gap:12px}
.judge-row{
 display:flex;gap:18px;align-items:flex-start;
 background:rgba(255,255,255,.045);
 border:1px solid rgba(255,255,255,.1);
 border-radius:var(--radius);padding:18px 20px;
 transition:background .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.judge-row:hover{background:rgba(255,255,255,.085);border-color:rgba(255,180,0,.45);transform:translateX(4px)}
.judge-tag{
 flex:0 0 92px;font-size:12px;font-weight:800;letter-spacing:1px;
 color:#ffc94d;background:rgba(255,180,0,.14);border-radius:8px;
 padding:6px 0;text-align:center;line-height:1.4;
}
.judge-name{font-size:15.5px;font-weight:700;color:#fff;margin:0 0 5px}
.judge-desc{font-size:13.8px;color:rgba(255,255,255,.66);line-height:1.8;margin:0}
.judge-note{
 margin-top:24px;padding:20px 22px;border-radius:var(--radius);
 border-left:3px solid var(--gold);background:rgba(255,180,0,.09);
 font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.85;
}
/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .3s var(--ease),box-shadow .3s var(--ease);
 display:flex;flex-direction:column;height:100%;
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-soft)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.05)}
.scene-media .tag{
 position:absolute;left:14px;top:14px;z-index:2;
 font-size:11.5px;font-weight:800;letter-spacing:1px;
 background:rgba(18,22,46,.82);color:#ffc94d;
 padding:5px 11px;border-radius:99px;backdrop-filter:blur(6px);
}
.scene-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.scene-title{font-size:17.5px;font-weight:800;color:var(--ink);margin:0 0 10px;line-height:1.5}
.scene-text{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0 0 16px;flex:1}
.scene-points{list-style:none;margin:0;padding:16px 0 0;border-top:1px dashed var(--border);font-size:13px;color:#4c5370}
.scene-points li{position:relative;padding-left:15px;margin-bottom:5px;line-height:1.7}
.scene-points li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--gold)}
/* ---------- 做法差别 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
 border-radius:var(--radius-lg);padding:28px 26px;border:1px solid var(--border);
 background:var(--surface);box-shadow:var(--shadow-sm);height:100%;
}
.compare-col--warn{background:#fbfbfe;border-color:#e4e6f1}
.compare-col--good{background:linear-gradient(180deg,#fffdf6,#fff);border-color:rgba(255,180,0,.45);box-shadow:0 14px 34px rgba(255,157,0,.10)}
.compare-head{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:var(--ink);margin:0 0 18px}
.compare-mark{width:26px;height:26px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:900;flex:0 0 26px}
.compare-col--warn .compare-mark{background:#eceefa;color:#5b628a}
.compare-col--good .compare-mark{background:linear-gradient(135deg,#ffc633,#ff9d00);color:#231a00}
.compare-list{list-style:none;margin:0;padding:0}
.compare-list li{
 padding:13px 0 13px 26px;position:relative;font-size:14.5px;line-height:1.8;color:#4c5370;
 border-bottom:1px dashed var(--border);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list li::before{
 content:"";position:absolute;left:2px;top:22px;width:8px;height:8px;border-radius:3px;
 background:#c9cee4;
}
.compare-col--good .compare-list li::before{background:var(--gold)}
.compare-list b{color:var(--ink);font-weight:700}
/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.step{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:28px 24px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .3s var(--ease),box-shadow .3s var(--ease);
 height:100%;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.step-num{
 font-size:13px;font-weight:800;letter-spacing:2px;color:#b57a00;
 background:var(--gold-soft);display:inline-block;padding:4px 12px;border-radius:99px;margin-bottom:14px;
}
.step-title{font-size:17px;font-weight:800;color:var(--ink);margin:0 0 10px}
.step-text{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0 0 14px}
.step-meta{font-size:12.5px;color:var(--muted-2);border-top:1px dashed var(--border);padding-top:12px;line-height:1.7}
/* ---------- 记录卡 ---------- */
.log-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.log-card{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);padding:22px 18px;
 transition:background .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
 height:100%;
}
.log-card:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.45);transform:translateY(-5px)}
.log-card h4{font-size:14.5px;font-weight:800;color:#ffc94d;margin:0 0 9px}
.log-card p{font-size:13.2px;color:rgba(255,255,255,.66);line-height:1.8;margin:0}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:0 14px 34px rgba(255,157,0,.10)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 54px 19px 22px;position:relative;
 font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
 border-right:2px solid var(--gold-deep);border-bottom:2px solid var(--gold-deep);
 transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq-a{padding:0 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;margin:0}
/* ---------- CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-xl);
 padding:56px 48px;color:#fff;
 background:linear-gradient(120deg,#1a1f3d 0%,#242a52 58%,#2c2a5e 100%);
 box-shadow:var(--shadow-lg);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;opacity:.16;
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-title{font-size:clamp(21px,2.4vw,29px);font-weight:800;margin:0 0 12px;line-height:1.4}
.cta-text{margin:0;font-size:15px;color:rgba(255,255,255,.72);line-height:1.85;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px}
/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:1040;
 background:rgba(16,20,42,.97);
 border-top:1px solid rgba(255,255,255,.12);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 padding:12px 0;transform:translateY(115%);
 transition:transform .38s var(--ease);
}
.sticky-cta.show{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-text{font-size:14px;color:rgba(255,255,255,.8);margin:0;line-height:1.6}
.sticky-text b{color:#ffc94d;font-weight:800}
.sticky-inner .btn-gold{padding:10px 22px;font-size:14px;white-space:nowrap}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.7);padding:64px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.15fr 1.85fr;gap:56px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.56);margin:0;max-width:380px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:1.6px;color:#fff;margin:0 0 14px}
.footer-col a{display:block;font-size:13.8px;color:rgba(255,255,255,.56);padding:5px 0;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.4)}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:40px}
 .rule-grid{grid-template-columns:repeat(2,1fr)}
 .judge-layout{grid-template-columns:1fr;gap:32px}
 .scene-grid{grid-template-columns:1fr 1fr}
 .steps{grid-template-columns:1fr 1fr}
 .log-grid{grid-template-columns:repeat(3,1fr)}
 .footer-top{grid-template-columns:1fr;gap:34px}
}
@media (max-width:991px){
 .nav-toggle{display:block}
 .main-nav{
  position:absolute;top:100%;left:0;right:0;
  background:#171b37;flex-direction:column;align-items:stretch;
  padding:12px 18px 20px;gap:2px;display:none;
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 24px 48px rgba(0,0,0,.45);
 }
 .main-nav.open{display:flex}
 .nav-link{padding:12px 14px}
 .nav-link.active::after{display:none}
 .nav-link.active{background:rgba(255,180,0,.12)}
 .mega{width:100%}
 .mega-trigger{width:100%;justify-content:space-between;padding:12px 14px}
 .mega-panel{
  position:static;width:100%;margin-top:8px;display:none;
  opacity:1;visibility:visible;transform:none;box-shadow:none;border-radius:14px;
 }
 .mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:none}
 .mega.open .mega-panel{display:block}
 .mega:not(.open) .mega-panel{display:none}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .hero{padding:54px 0 62px}
 .scene-grid{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .log-grid{grid-template-columns:1fr 1fr}
 .cta-band{padding:38px 26px}
 .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
 .footer-cols{grid-template-columns:1fr 1fr}
 .sticky-text{font-size:12.8px}
 .sticky-inner .btn-gold{padding:9px 16px;font-size:13px}
}
@media (max-width:520px){
 .rule-grid{grid-template-columns:1fr}
 .log-grid{grid-template-columns:1fr}
 .hero-meta{gap:20px}
 .hero-meta strong{font-size:21px}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
 .brand-name{font-size:15px;white-space:normal;line-height:1.35}
 .brand-sub{font-size:10px;letter-spacing:1px}
 .sticky-text{display:none}
 .sticky-inner{justify-content:center}
 .sticky-inner .btn-gold{width:100%}
 .footer-cols{grid-template-columns:1fr}
 .footer-bottom{font-size:11.5px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242a52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-deep:#e79b00;
 --gold-soft:rgba(255,180,0,.14);
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b1f33;
 --muted:#6a7088;
 --muted-2:#8a90a8;
 --border:#e6e8f2;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.10);
 --shadow-lg:0 28px 64px rgba(26,31,61,.16);
 --ease:cubic-bezier(.22,.68,.32,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.8;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover,a:focus{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
/* ---------- 通用板块 ---------- */
.section{padding:78px 0;position:relative}
.section-alt{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:770px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;
 color:#b57a00;background:var(--gold-soft);padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#ffc94d;background:rgba(255,180,0,.14)}
.section-title{font-size:clamp(23px,2.6vw,33px);font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:14px}
.section-dark .section-title{color:#fff}
.section-desc{color:#5f6784;font-size:16px;line-height:1.9}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
/* ---------- 按钮 ---------- */
.btn-gold,.btn-ghost,.btn-outline-ink,.btn-dark{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 font-size:15px;font-weight:700;padding:13px 26px;border-radius:11px;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
 border:0;cursor:pointer;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9d00);color:#221a00;box-shadow:0 12px 26px rgba(255,157,0,.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,157,0,.38);color:#221a00}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-outline-ink{background:transparent;color:var(--ink);border:1.5px solid var(--border)}
.btn-outline-ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
 outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:8px;
}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1050;
 background:rgba(23,27,55,.94);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 34px rgba(8,11,26,.42);background:rgba(20,24,48,.98)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-badge{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffc633,#ff8d00);color:#231a00;
 font-weight:900;font-size:18px;letter-spacing:-1px;
 box-shadow:0 8px 20px rgba(255,157,0,.36);
 transition:transform .3s var(--ease);
}
.brand:hover .brand-badge{transform:rotate(-6deg) scale(1.05)}
.brand-name{font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:.4px;display:block}
.brand-sub{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.48);letter-spacing:1.6px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;white-space:nowrap;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);font-weight:700}
.nav-link.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#ffc633,#ff8d00);
}
.mega{position:relative}
.mega-trigger{
 display:inline-flex;align-items:center;gap:7px;background:none;border:0;
 color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;cursor:pointer;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.mega-trigger:hover{color:#fff;background:rgba(255,255,255,.09)}
.caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease);display:inline-block}
.mega:hover .caret,.mega:focus-within .caret,.mega.open .caret{transform:rotate(225deg) translateY(-2px)}
.mega-panel{
 position:absolute;top:calc(100% + 16px);right:0;width:430px;
 background:#fff;border-radius:18px;border:1px solid #eceffa;
 padding:20px;box-shadow:0 30px 70px rgba(12,17,40,.30);
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:11px;font-weight:800;letter-spacing:2.4px;color:var(--muted-2);margin-bottom:14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-item{display:block;padding:11px 13px;border-radius:11px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mega-item strong{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.mega-item span{display:block;font-size:12px;color:var(--muted-2);line-height:1.6}
.mega-item:hover{background:#f4f6fd;transform:translateX(3px)}
.mega-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted-2);line-height:1.7}
.nav-toggle{display:none;background:none;border:0;padding:9px;cursor:pointer;border-radius:8px}
.nav-toggle span{display:block;width:23px;height:2px;background:#fff;border-radius:2px;margin:5px 0;transition:transform .25s var(--ease),opacity .25s var(--ease)}
/* ---------- 首屏：帮助中心式 ---------- */
.page-hero{
 position:relative;overflow:hidden;
 padding:64px 0 76px;text-align:center;color:#fff;
 background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(15,19,40,.94) 0%,rgba(18,22,46,.86) 48%,rgba(15,19,40,.96) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;justify-content:center;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--gold)}
.hero-eyebrow{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.6px;
 color:#ffc94d;background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.28);
 padding:6px 16px;border-radius:99px;margin-bottom:20px;
}
.hero-title{
 font-size:clamp(27px,4vw,44px);font-weight:900;letter-spacing:-.5px;
 line-height:1.28;margin-bottom:18px;color:#fff;
 text-shadow:0 12px 40px rgba(0,0,0,.35);
}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-desc{max-width:720px;margin:0 auto 30px;color:rgba(255,255,255,.74);font-size:16.5px;line-height:1.95}
.hero-search{
 display:flex;gap:10px;max-width:600px;margin:0 auto 20px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 padding:8px;border-radius:16px;backdrop-filter:blur(6px);
 transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.hero-search:focus-within{border-color:rgba(255,180,0,.6);box-shadow:0 0 0 4px rgba(255,180,0,.12)}
.hero-search input{
 flex:1;min-width:0;border:0;background:transparent;color:#fff;
 font-size:15px;padding:11px 14px;outline:none;
}
.hero-search input::placeholder{color:rgba(255,255,255,.42)}
.hero-search-btn{
 border:0;cursor:pointer;border-radius:11px;padding:12px 22px;
 font-size:14.5px;font-weight:800;color:#221a00;white-space:nowrap;
 background:linear-gradient(135deg,#ffc633,#ff9d00);
 box-shadow:0 10px 22px rgba(255,157,0,.32);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.hero-search-btn:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,157,0,.4)}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;max-width:760px;margin:0 auto}
.hero-chip{
 font-size:13px;color:rgba(255,255,255,.74);
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
 padding:7px 15px;border-radius:99px;
 transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.hero-chip:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.45);color:#ffd97a;transform:translateY(-2px)}
/* ---------- 卖点三连 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:28px 26px 26px;box-shadow:var(--shadow-sm);
 transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
 position:relative;overflow:hidden;
}
.feature-card::after{
 content:"";position:absolute;left:0;top:0;width:100%;height:3px;
 background:linear-gradient(90deg,#ffc633,#ff9d00);opacity:0;transition:opacity .3s var(--ease);
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#dfe3f3}
.feature-card:hover::after{opacity:1}
.feature-num{
 font-size:14px;font-weight:900;letter-spacing:2px;color:var(--gold-deep);
 background:var(--gold-soft);display:inline-block;padding:4px 12px;border-radius:8px;margin-bottom:16px;
}
.feature-card h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:10px}
.feature-card p{font-size:14.8px;color:var(--muted);line-height:1.85}
.feature-tag{
 display:inline-block;margin-top:16px;font-size:12.5px;font-weight:600;
 color:#4a5175;background:#f2f4fc;border-radius:99px;padding:5px 13px;
}
/* ---------- 三步流程 ---------- */
.steps-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.step-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed var(--border)}
.step-item:first-child{padding-top:0}
.step-item:last-child{border-bottom:0;padding-bottom:0}
.step-dot{
 flex-shrink:0;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:var(--ink);color:var(--gold);font-weight:900;font-size:16px;
 box-shadow:0 10px 22px rgba(26,31,61,.18);
}
.step-body h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px}
.step-body p{font-size:14.8px;color:var(--muted);line-height:1.85}
.check-list{margin-top:24px;background:#f7f9ff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px}
.check-list h4{font-size:14px;font-weight:800;color:var(--ink);letter-spacing:1px;margin-bottom:12px}
.check-list li{position:relative;padding-left:24px;font-size:14.4px;color:#525a78;line-height:1.85}
.check-list li+li{margin-top:8px}
.check-list li::before{
 content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;
 background:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.steps-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.steps-visual img{width:100%;height:100%;object-fit:cover;min-height:340px;transition:transform .6s var(--ease)}
.steps-visual:hover img{transform:scale(1.04)}
.steps-visual figcaption{
 position:absolute;left:16px;right:16px;bottom:16px;
 background:rgba(18,22,46,.86);backdrop-filter:blur(8px);
 border:1px solid rgba(255,255,255,.12);border-radius:14px;
 padding:16px 18px;color:#fff;
}
.steps-visual figcaption strong{display:block;font-size:15px;font-weight:800;color:var(--gold);margin-bottom:4px}
.steps-visual figcaption span{font-size:13.4px;color:rgba(255,255,255,.72);line-height:1.7;display:block}
/* ---------- 场景网格 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.scene-card h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:9px;display:flex;align-items:center;gap:8px}
.scene-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0}
.scene-card p{font-size:14.3px;color:var(--muted);line-height:1.82}
/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px}
.stat-item{
 border-left:2px solid rgba(255,180,0,.5);padding:6px 0 6px 20px;
 transition:border-color .3s var(--ease);
}
.stat-item:hover{border-color:var(--gold)}
.stat-num{font-size:clamp(28px,3.4vw,40px);font-weight:900;color:var(--gold);line-height:1.1;letter-spacing:-1px}
.stat-num small{font-size:15px;font-weight:700;margin-left:3px;color:rgba(255,180,0,.8)}
.stat-label{font-size:14px;color:rgba(255,255,255,.66);margin-top:8px;line-height:1.7}
/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
 border-radius:var(--radius-lg);padding:28px 26px;border:1px solid var(--border);
 background:var(--surface);box-shadow:var(--shadow-sm);
}
.compare-col.highlight{background:linear-gradient(180deg,#fffdf5,#fff);border-color:rgba(255,180,0,.38);box-shadow:0 16px 40px rgba(255,157,0,.14)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.compare-head span{
 font-size:12px;font-weight:800;letter-spacing:1.6px;padding:5px 12px;border-radius:99px;
 background:#f1f3fa;color:var(--muted);
}
.compare-col.highlight .compare-head span{background:var(--gold-soft);color:#a86f00}
.compare-head h3{font-size:18px;font-weight:800;color:var(--ink)}
.compare-col li{position:relative;padding-left:26px;font-size:14.6px;color:#4d5473;line-height:1.85}
.compare-col li+li{margin-top:12px}
.compare-col li::before{
 content:"";position:absolute;left:0;top:9px;width:14px;height:2px;background:#cfd4e6;border-radius:2px;
}
.compare-col.highlight li::before{background:var(--gold);height:3px;top:9px;width:16px}
/* ---------- 资讯列表 ---------- */
.news-wrap{display:grid;grid-template-columns:.62fr 1.38fr;gap:48px;align-items:start}
.news-aside{
 background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:30px 26px;
 box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.news-aside::after{
 content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 70%);
}
.news-aside h2{font-size:22px;font-weight:800;margin-bottom:12px;color:#fff;position:relative;z-index:2}
.news-aside p{font-size:14.2px;color:rgba(255,255,255,.66);line-height:1.85;position:relative;z-index:2}
.news-aside .aside-note{
 margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
 font-size:12.8px;color:rgba(255,255,255,.5);position:relative;z-index:2;
}
.news-list{display:grid;gap:14px}
.news-item{
 display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-item:hover{transform:translateX(6px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.4)}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.news-cat{font-size:12px;font-weight:700;color:#a86f00;background:var(--gold-soft);border-radius:99px;padding:3px 11px}
.news-date{font-size:12.5px;color:var(--muted-2)}
.news-title{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.55;margin-bottom:6px}
.news-desc{font-size:14.2px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{
 text-align:center;color:var(--muted-2);font-size:14.5px;
 padding:34px 20px;background:#f7f9ff;border:1px dashed var(--border);border-radius:var(--radius);
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.45);box-shadow:0 12px 30px rgba(26,31,61,.08)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 54px 18px 22px;position:relative;
 font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
 transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
 border-right:2px solid var(--muted-2);border-bottom:2px solid var(--muted-2);
 transform:translateY(-70%) rotate(45deg);transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.faq-item[open] summary{color:var(--ink)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);border-color:var(--gold-deep)}
.faq-item summary:hover{color:#a86f00}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.9}
/* ---------- 收口 CTA ---------- */
.cta-box{
 background:linear-gradient(135deg,#1c2145,#12162e 62%);
 border-radius:var(--radius-xl);padding:54px 44px;
 display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
 box-shadow:var(--shadow-lg);position:relative;overflow:hidden;color:#fff;
}
.cta-box::before{
 content:"";position:absolute;right:-70px;bottom:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.22),transparent 68%);
}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff;margin-bottom:12px;position:relative;z-index:2}
.cta-box p{font-size:15.2px;color:rgba(255,255,255,.7);line-height:1.9;position:relative;z-index:2}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;position:relative;z-index:2}
.cta-notice{font-size:12.6px;color:rgba(255,255,255,.42);line-height:1.7;margin-top:2px}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:60px 0 26px}
.footer-top{display:grid;grid-template-columns:1.35fr 2fr;gap:48px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.56);margin-top:16px;max-width:350px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h4{font-size:13px;letter-spacing:1.6px;color:#fff;margin-bottom:12px;font-weight:800}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.58);padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.42)}
/* ---------- 底部固定条 ---------- */
.fixed-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
 background:rgba(16,20,42,.96);backdrop-filter:blur(12px);
 border-top:1px solid rgba(255,180,0,.28);padding:11px 0;
}
.fixed-cta .container{display:flex;align-items:center;justify-content:space-between;gap:18px}
.fixed-cta p{font-size:14px;color:rgba(255,255,255,.74);line-height:1.6}
.fixed-cta p strong{color:var(--gold);font-weight:800}
.fixed-cta .btn-gold{padding:10px 22px;font-size:14px}
/* ---------- 响应式 ---------- */
@media (min-width:992px){
 .fixed-cta{display:block}
 body{padding-bottom:66px}
}
@media (max-width:1024px){
 .feature-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .steps-layout{gap:34px}
 .news-wrap{grid-template-columns:1fr;gap:30px}
 .footer-top{grid-template-columns:1fr;gap:32px}
}
@media (max-width:991px){
 .nav-toggle{display:block}
 .main-nav{
  position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
  background:#151935;border-top:1px solid rgba(255,255,255,.08);
  padding:14px 18px 20px;display:none;box-shadow:0 26px 54px rgba(0,0,0,.45);
  max-height:calc(100vh - 74px);overflow-y:auto;
 }
 .main-nav.open{display:flex}
 .nav-link{padding:12px 14px;font-size:15.5px}
 .nav-link.active::after{display:none}
 .mega{width:100%}
 .mega-trigger{width:100%;justify-content:space-between;padding:12px 14px;font-size:15.5px}
 .mega-panel{
  position:static;width:100%;opacity:1;visibility:visible;transform:none;
  display:none;margin-top:8px;padding:16px;box-shadow:none;border-radius:14px;
 }
 .mega.open .mega-panel{display:block}
 .mega:hover .mega-panel{display:none}
 .mega.open:hover .mega-panel{display:block}
 .steps-layout{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .cta-box{grid-template-columns:1fr;padding:40px 26px;text-align:left}
 .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .page-hero{padding:46px 0 58px}
 .hero-search{flex-direction:column;padding:10px;border-radius:14px}
 .hero-search-btn{width:100%;padding:13px}
 .feature-grid,.scene-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr;gap:22px 16px}
 .footer-cols{grid-template-columns:1fr 1fr;gap:20px}
 .brand-name{font-size:15px}
 .brand-sub{font-size:10px;letter-spacing:1.2px}
 .footer-bottom{flex-direction:column;gap:6px}
 .steps-visual figcaption{position:static;border-radius:0;border:0;background:#12162e}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-title{font-size:26px}
 .hero-desc{font-size:15px}
 .stat-grid{grid-template-columns:1fr}
 .footer-cols{grid-template-columns:1fr}
 .feature-card,.scene-card{padding:22px 18px}
 .cta-box{padding:32px 20px}
 .cta-actions{flex-direction:column;align-items:stretch}
 .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%}
 .faq-item summary{font-size:15px;padding:16px 46px 16px 18px}
 .faq-body{padding:0 18px 18px;font-size:14.4px}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242a52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-deep:#e79b00;
 --gold-soft:rgba(255,180,0,.14);
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b1f33;
 --muted:#6a7088;
 --muted-2:#8a90a8;
 --border:#e6e8f2;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.10);
 --shadow-lg:0 28px 64px rgba(26,31,61,.16);
 --ease:cubic-bezier(.22,.68,.32,1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.8;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
*,*::before,*::after{box-sizing:border-box}
a{color:inherit;text-decoration:none}
a:hover,a:focus{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
p{margin:0}
.container{max-width:1180px}
/* ---------- 通用板块 ---------- */
.section{padding:78px 0;position:relative}
.section-alt{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-dark::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(50% 60% at 85% 8%,rgba(255,180,0,.14),transparent 62%);
}
.section-dark > .container{position:relative;z-index:2}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;
 color:#b57a00;background:var(--gold-soft);padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#ffc94d;background:rgba(255,180,0,.14)}
.section-title{font-size:clamp(23px,2.6vw,33px);font-weight:800;color:var(--ink);line-height:1.35;margin:0 0 16px}
.section-dark .section-title{color:#fff}
.section-desc{color:#5f6784;font-size:16px;line-height:1.9}
.section-dark .section-desc{color:rgba(255,255,255,.74)}
/* ---------- 按钮 ---------- */
.btn-gold,.btn-ghost,.btn-outline-ink,.btn-dark{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 font-size:15px;font-weight:700;padding:13px 26px;border-radius:11px;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
 border:0;cursor:pointer;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc633,#ff9d00);color:#221a00;box-shadow:0 12px 26px rgba(255,157,0,.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,157,0,.38);color:#221a00}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-outline-ink{background:transparent;color:var(--ink);border:1.5px solid var(--border)}
.btn-outline-ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
a:focus-visible,button:focus-visible,summary:focus-visible{
 outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:8px;
}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1050;
 background:rgba(23,27,55,.94);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 34px rgba(8,11,26,.42);background:rgba(20,24,48,.98)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-badge{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffc633,#ff8d00);color:#231a00;
 font-weight:900;font-size:18px;letter-spacing:-1px;
 box-shadow:0 8px 20px rgba(255,157,0,.36);
 transition:transform .3s var(--ease);
}
.brand:hover .brand-badge{transform:rotate(-6deg) scale(1.05)}
.brand-name{font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:.4px;display:block}
.brand-sub{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.48);letter-spacing:1.6px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;white-space:nowrap;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);font-weight:700}
.nav-link.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#ffc633,#ff8d00);
}
.mega{position:relative}
.mega-trigger{
 display:inline-flex;align-items:center;gap:7px;background:none;border:0;
 color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
 padding:10px 15px;border-radius:10px;cursor:pointer;
 transition:color .22s var(--ease),background .22s var(--ease);
}
.mega-trigger:hover{color:#fff;background:rgba(255,255,255,.09)}
.caret{
 width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
 transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease);
}
.mega:hover .caret,.mega:focus-within .caret,.mega.open .caret{transform:rotate(225deg) translateY(-2px)}
.mega-panel{
 position:absolute;top:calc(100% + 16px);right:0;width:430px;
 background:#fff;border-radius:18px;border:1px solid #eceffa;
 padding:20px;box-shadow:0 30px 70px rgba(12,17,40,.30);
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:11px;font-weight:800;letter-spacing:2.4px;color:var(--muted-2);margin-bottom:14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-item{display:block;padding:11px 13px;border-radius:11px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mega-item strong{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.mega-item span{display:block;font-size:12px;color:var(--muted-2);line-height:1.6}
.mega-item:hover{background:#f4f6fd;transform:translateX(3px)}
.mega-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted-2)}
.nav-toggle{display:none;background:none;border:0;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:23px;height:2px;background:#fff;border-radius:2px;margin:5px 0;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- 分类首屏 ---------- */
.cat-hero{position:relative;overflow:hidden;color:#fff;padding:78px 0 72px;background:linear-gradient(135deg,#12162e,#1d2350 58%,#2a2f66)}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 opacity:.22;
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(58% 76% at 16% 16%,rgba(255,180,0,.18),transparent 62%),linear-gradient(180deg,rgba(10,14,32,.30),rgba(10,14,32,.72));
}
.cat-hero > .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--gold)}
.crumb i{font-style:normal;color:rgba(255,255,255,.35)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1.6px;
 color:#ffd166;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.28);
 padding:6px 14px;border-radius:99px;margin-bottom:20px;
}
.hero-title{font-size:clamp(28px,3.6vw,46px);font-weight:900;line-height:1.28;letter-spacing:-.5px;margin:0 0 18px}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-lead{font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.78);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-panel{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-xl);padding:26px 26px 22px;
 box-shadow:0 26px 60px rgba(6,9,24,.42);
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-panel h2{font-size:14px;font-weight:800;letter-spacing:1.6px;color:#ffd166;margin:0 0 16px}
.stat-row{display:flex;align-items:flex-start;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.stat-row:last-of-type{border-bottom:0}
.stat-num{
 flex:0 0 auto;font-size:20px;font-weight:900;color:var(--gold);
 font-family:ui-monospace,SFMono-Regular,Menlo,monospace;line-height:1.2;
}
.stat-txt strong{display:block;font-size:14.5px;font-weight:700;color:#fff;margin-bottom:2px}
.stat-txt span{display:block;font-size:13px;color:rgba(255,255,255,.60);line-height:1.7}
.panel-note{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.52);line-height:1.7}
/* ---------- 卖点卡 ---------- */
.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.key-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow-sm);
 transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.key-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.42)}
.key-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(135deg,#fff2d0,#ffe1a3);color:#8a5c00;font-weight:900;font-size:17px;
 margin-bottom:16px;
}
.key-card h3{font-size:18px;font-weight:800;color:var(--ink);margin:0 0 10px}
.key-card p{color:var(--muted);font-size:14.5px;line-height:1.9}
.key-list{margin:14px 0 0;padding:0;list-style:none}
.key-list li{position:relative;padding-left:16px;font-size:13.5px;color:#57607f;line-height:1.85}
.key-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--gold)}
/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:22px 22px 20px;position:relative;overflow:hidden;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-card::before{
 content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
 background:linear-gradient(180deg,#ffc633,#ff8d00);opacity:0;transition:opacity .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.scene-card:hover::before{opacity:1}
.scene-card h3{font-size:16px;font-weight:800;color:var(--ink);margin:0 0 8px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.85}
.scene-tag{
 display:inline-block;font-size:11.5px;font-weight:700;color:#8a5c00;
 background:var(--gold-soft);border-radius:99px;padding:3px 10px;margin-bottom:10px;letter-spacing:.6px;
}
/* ---------- 验台流程 ---------- */
.flow-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.flow-figure{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 30px 70px rgba(4,7,22,.55)}
.flow-figure img{width:100%;height:420px;object-fit:cover;transition:transform .6s var(--ease)}
.flow-figure:hover img{transform:scale(1.04)}
.flow-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:22px;
 background:linear-gradient(180deg,transparent,rgba(8,11,26,.86));
 font-size:13px;color:rgba(255,255,255,.82);line-height:1.75;
}
.flow-steps{list-style:none;margin:0;padding:0;counter-reset:flow}
.flow-steps li{
 position:relative;padding:0 0 24px 58px;counter-increment:flow;
 border-left:1px solid rgba(255,255,255,.16);margin-left:19px;
}
.flow-steps li:last-child{border-left-color:transparent;padding-bottom:0}
.flow-steps li::before{
 content:counter(flow,decimal-leading-zero);
 position:absolute;left:-21px;top:-2px;width:42px;height:42px;border-radius:12px;
 display:grid;place-items:center;font-size:14px;font-weight:900;color:#231a00;
 background:linear-gradient(135deg,#ffc633,#ff9d00);box-shadow:0 10px 22px rgba(255,157,0,.34);
}
.flow-steps strong{display:block;font-size:16.5px;font-weight:800;color:#fff;margin-bottom:5px}
.flow-steps span{display:block;font-size:14px;color:rgba(255,255,255,.70);line-height:1.85}
/* ---------- 对照 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}
.compare-card.good{border-top:4px solid #2fbf8f}
.compare-card.bad{border-top:4px solid #d0555a}
.compare-card h3{font-size:17px;font-weight:800;color:var(--ink);margin:0 0 6px;display:flex;align-items:center;gap:10px}
.compare-card .pill{font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:99px;letter-spacing:.6px}
.compare-card.good .pill{color:#0f7a58;background:rgba(47,191,143,.14)}
.compare-card.bad .pill{color:#a33136;background:rgba(208,85,90,.14)}
.compare-card > p{font-size:13.5px;color:var(--muted-2);margin-bottom:16px}
.compare-list{list-style:none;margin:0;padding:0}
.compare-list li{
 position:relative;padding:11px 0 11px 24px;font-size:14.5px;color:#4f5876;line-height:1.8;
 border-bottom:1px dashed var(--border);
}
.compare-list li:last-child{border-bottom:0}
.compare-list li::before{
 position:absolute;left:0;top:11px;font-size:13px;font-weight:900;
}
.compare-card.good .compare-list li::before{content:"✓";color:#2fbf8f}
.compare-card.bad .compare-list li::before{content:"×";color:#d0555a}
/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted-2);margin-bottom:12px}
.post-meta .cat{color:#8a5c00;background:var(--gold-soft);border-radius:99px;padding:2px 10px;font-weight:700}
.post-card h3{font-size:16.5px;font-weight:800;line-height:1.6;color:var(--ink);margin:0 0 10px}
.post-card h3 a:hover{color:var(--gold-deep)}
.post-card p{font-size:14px;color:var(--muted);line-height:1.85;flex:1}
.post-more{margin-top:16px;font-size:13.5px;font-weight:700;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px}
.post-more::after{content:"→";transition:transform .25s var(--ease)}
.post-card:hover .post-more::after{transform:translateX(4px)}
.list-empty{
 background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);
 padding:34px;text-align:center;color:var(--muted-2);font-size:14.5px;
}
.list-foot{display:flex;justify-content:center;margin-top:34px}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 margin-bottom:12px;overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open]{box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
 font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:400;color:var(--gold-deep);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg)}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.95}
/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
 display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:24px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.channel-card .ch-index{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--muted-2);margin-bottom:10px;display:block}
.channel-card h3{font-size:17px;font-weight:800;color:var(--ink);margin:0 0 8px}
.channel-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.channel-card.current{border-color:rgba(255,180,0,.6);background:linear-gradient(180deg,#fffdf5,#fff)}
.channel-card.current .ch-index{color:var(--gold-deep)}
/* ---------- 收口 ---------- */
.cta-band{
 background:linear-gradient(135deg,#1a1f3d,#262d5e 60%,#343b7a);
 color:#fff;border-radius:var(--radius-xl);padding:52px 48px;position:relative;overflow:hidden;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin:0 0 14px;line-height:1.4}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.9;max-width:660px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.15fr 1.85fr;gap:52px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.58);max-width:420px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:1.6px;color:#fff;margin:0 0 16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.60);padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding-top:24px;font-size:13px;color:rgba(255,255,255,.42);
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid,.flow-wrap{grid-template-columns:1fr;gap:36px}
 .hero-panel{max-width:560px}
 .key-grid,.scene-grid,.post-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
 .footer-top{grid-template-columns:1fr;gap:34px}
 .flow-figure img{height:340px}
 .mega-panel{width:380px}
}
@media (max-width:860px){
 .nav-toggle{display:block}
 .main-nav{
  position:absolute;top:74px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:rgba(18,22,46,.99);border-bottom:1px solid rgba(255,255,255,.08);
  padding:14px 18px 20px;box-shadow:0 26px 50px rgba(6,9,24,.5);
  display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link,.mega-trigger{width:100%;text-align:left;padding:12px 14px}
 .nav-link.active::after{display:none}
 .mega{width:100%}
 .mega-panel{
  position:static;width:100%;opacity:1;visibility:visible;transform:none;
  box-shadow:none;border-radius:14px;margin-top:8px;display:none;
 }
 .mega.open .mega-panel{display:block}
 .mega:hover .mega-panel{display:none}
 .mega.open:hover .mega-panel{display:block}
 .cat-hero{padding:56px 0 52px}
 .section{padding:58px 0}
 .cta-band{padding:38px 26px}
}
@media (max-width:560px){
 .key-grid,.scene-grid,.post-grid,.channel-grid,.compare-grid{grid-template-columns:1fr}
 .hero-title{font-size:27px}
 .hero-lead{font-size:15.5px}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
 .brand-name{font-size:15px}
 .brand-sub{font-size:10px;letter-spacing:1.2px}
 .section-title{font-size:23px}
 .footer-bottom{flex-direction:column;gap:6px}
 .flow-figure img{height:250px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}