/* roulang page: index */
:root{
  --ink:#101a17;
  --ink-2:#16261f;
  --paper:#f7f5ef;
  --paper-2:#efece2;
  --card:#ffffff;
  --primary:#14695a;
  --primary-dark:#0d4a3f;
  --primary-soft:#e4efeb;
  --gold:#c39a52;
  --gold-soft:#f7efdf;
  --text:#1c2521;
  --muted:#69756f;
  --line:#e3ded2;
  --line-2:#d6d0c0;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,26,23,.05),0 3px 10px rgba(16,26,23,.05);
  --shadow-md:0 14px 30px -18px rgba(16,26,23,.42);
  --shadow-lg:0 26px 52px -28px rgba(16,26,23,.5);
  --ease:cubic-bezier(.22,.8,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:78px;}
body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border-radius:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
.btn,button,input,select,textarea{font-family:inherit;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:9px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px -12px rgba(20,105,90,.95);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(20,105,90,1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:#3a463f;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;}
.btn-light:hover{background:var(--gold-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.93);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 28px -20px rgba(16,26,23,.6);background:rgba(247,245,239,.98);}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--gold);
  background:linear-gradient(145deg,var(--primary),#0a3a31);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 4px 10px -6px rgba(20,105,90,.9);
}
.brand-mark svg{width:19px;height:19px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.18em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:#3a463f;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-link-mobile{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--line-2);border-radius:9px;
  background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#3a463f;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#eef3f0;padding:70px 0 86px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:saturate(.62) contrast(.96);}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(920px 420px at 16% 0%,rgba(20,105,90,.55),transparent 62%),
    linear-gradient(180deg,rgba(16,26,23,.84) 0%,rgba(16,26,23,.9) 55%,rgba(16,26,23,.97) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-copy{max-width:820px;}
.hero-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--gold);
  border:1px solid rgba(195,154,82,.42);background:rgba(195,154,82,.1);
  padding:5px 14px;border-radius:999px;margin-bottom:22px;
}
.hero-title{font-size:clamp(27px,4.1vw,44px);line-height:1.25;letter-spacing:-.02em;color:#fff;margin-bottom:20px;}
.hero-lead{font-size:16px;line-height:1.85;color:rgba(236,242,239,.84);max-width:770px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-pill{
  font-size:13px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#dfe9e4;
}

/* ---------- 邀请面板 ---------- */
.invite-panel{
  margin-top:42px;background:#fff;color:var(--text);border-radius:18px;
  padding:30px 32px;border:1px solid rgba(255,255,255,.7);
  box-shadow:0 34px 64px -36px rgba(0,0,0,.75);
}
.invite-head{margin-bottom:22px;}
.invite-title{font-size:20px;color:var(--ink);margin-bottom:8px;}
.invite-desc{font-size:14px;line-height:1.8;color:var(--muted);max-width:760px;}
.invite-body{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;}
.progress-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 18px;font-size:13px;color:var(--muted);margin-bottom:10px;}
.progress-meta b{color:var(--primary);font-size:15px;}
.progress-track{height:10px;border-radius:999px;background:#e9e5d9;overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#29a88e);}
.invite-rewards{display:flex;flex-wrap:wrap;gap:9px 20px;margin-top:16px;}
.reward-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.reward-item b{color:var(--text);font-weight:600;}
.reward-dot{width:8px;height:8px;border-radius:50%;background:var(--line-2);flex:0 0 auto;}
.reward-item.is-done .reward-dot{background:var(--primary);box-shadow:0 0 0 3px rgba(20,105,90,.14);}
.reward-item.is-done{color:#2f3f38;}
.invite-cta .invite-note{font-size:12.5px;line-height:1.7;color:var(--muted);margin-top:12px;}

/* ---------- 板块 ---------- */
.section{padding:74px 0;}
.section-alt{background:var(--paper-2);}
.section-dark{background:var(--ink);color:#e7eeea;position:relative;overflow:hidden;}
.section-dark .container{position:relative;z-index:2;}
.section-head{max-width:770px;margin-bottom:38px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--primary);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold);}
.section-head.is-center .eyebrow::before{display:none;}
.section-title{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.018em;color:var(--ink);}
.section-desc{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted);}
.section-dark .section-title{color:#fff;}
.section-dark .section-desc{color:rgba(231,238,234,.74);}
.section-dark .eyebrow{color:var(--gold);}

/* ---------- 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

/* ---------- 速览 ---------- */
.summary-list{display:grid;gap:14px;}
.summary-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.summary-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#ccd8d2;}
.summary-num{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.1em;flex:0 0 auto;padding-top:3px;}
.summary-item p{font-size:14.5px;line-height:1.82;color:#41504a;}
.summary-item b{color:var(--ink);font-weight:600;}

/* ---------- 目录卡 ---------- */
.catalog-card{
  position:relative;display:flex;flex-direction:column;gap:12px;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.catalog-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);opacity:0;transition:opacity .2s var(--ease);
}
.catalog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d6d0;}
.catalog-card:hover::before{opacity:1;}
.catalog-no{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--gold);}
.catalog-card h3{font-size:19px;color:var(--ink);}
.catalog-card p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.catalog-more{margin-top:auto;padding-top:8px;font-size:13.5px;font-weight:600;color:var(--primary);}

/* ---------- 价值卡 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ccd8d2;}
.card-icon{
  width:40px;height:40px;border-radius:11px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px;}
.card-title{font-size:17px;margin-bottom:10px;color:var(--ink);}
.card-text{font-size:14.5px;line-height:1.8;color:var(--muted);}
.card-tag{
  display:inline-block;margin-top:16px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;background:var(--gold-soft);color:#8a6a2c;
}

/* ---------- 图表 ---------- */
.chart-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow-sm);}
.chart-row{margin-bottom:22px;}
.chart-row:last-child{margin-bottom:0;}
.chart-label-row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;margin-bottom:8px;}
.chart-label{color:#3a463f;font-weight:500;}
.chart-num{font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.chart-track{height:12px;border-radius:999px;background:#edeade;overflow:hidden;}
.chart-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,#1d8a75,#14695a);}
.chart-bar.is-gold{background:linear-gradient(90deg,#d9b374,#c39a52);}
.chart-bar.is-muted{background:linear-gradient(90deg,#b3bfb9,#8d9b95);}
.chart-note{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line-2);font-size:13.5px;line-height:1.8;color:var(--muted);}
.chart-side{display:flex;flex-direction:column;gap:16px;}
.chart-metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
}
.chart-metric b{display:block;font-size:26px;color:var(--primary);letter-spacing:-.02em;line-height:1.2;}
.chart-metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ---------- 步骤 ---------- */
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step-item{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
}
.step-num{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--primary);margin-bottom:12px;}
.step-item h3{font-size:17px;margin-bottom:10px;color:var(--ink);}
.step-item p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.objection-list{margin-top:26px;display:grid;gap:12px;}
.objection{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:10px;padding:18px 22px;
}
.objection h4{font-size:15px;color:var(--ink);margin-bottom:8px;}
.objection p{font-size:14.5px;line-height:1.82;color:var(--muted);}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 20px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#ccd8d2;}
.scene-icon{width:38px;height:38px;border-radius:10px;background:var(--gold-soft);color:#96712f;display:grid;place-items:center;margin-bottom:14px;}
.scene-icon svg{width:19px;height:19px;}
.scene-card h3{font-size:15.5px;margin-bottom:8px;color:var(--ink);}
.scene-card p{font-size:13.5px;line-height:1.78;color:var(--muted);}

/* ---------- 演示 ---------- */
.demo-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center;}
.demo-media{position:relative;}
.demo-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-lg);
}
.demo-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(16,26,23,.82);color:#f1f5f2;border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;padding:6px 13px;border-radius:999px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.demo-text p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:18px;}
.demo-list{display:grid;gap:12px;}
.demo-list li{
  position:relative;padding-left:22px;font-size:14.5px;line-height:1.8;color:#3f4d47;
}
.demo-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--gold);
}

/* ---------- 资源包 ---------- */
.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.pack-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pack-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.pack-card.is-fav{border-color:var(--primary);box-shadow:0 24px 44px -28px rgba(20,105,90,.75);}
.pack-badge{
  position:absolute;top:-11px;left:26px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:999px;
}
.pack-name{font-size:17px;color:var(--ink);margin-bottom:10px;}
.pack-point{font-size:28px;font-weight:700;color:var(--primary);line-height:1.2;letter-spacing:-.02em;}
.pack-point span{font-size:13px;font-weight:500;color:var(--muted);margin-left:5px;}
.pack-list{margin:20px 0 24px;display:grid;gap:11px;}
.pack-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.72;color:#45534c;}
.pack-list li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--gold);}
.pack-card .btn{margin-top:auto;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;
}
.stat-item{background:rgba(255,255,255,.045);padding:30px 22px;text-align:center;}
.stat-num{font-size:30px;font-weight:700;color:var(--gold);letter-spacing:-.02em;line-height:1.2;}
.stat-label{font-size:13.5px;color:rgba(231,238,234,.68);margin-top:8px;line-height:1.7;}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{
  display:flex;flex-direction:column;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.quote-mark{font-size:26px;line-height:1;color:var(--gold);font-weight:700;}
.quote-text{font-size:14.5px;line-height:1.85;color:#3f4d47;}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:6px;}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 auto;
}
.quote-name{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.4;}
.quote-role{font-size:12.5px;color:var(--muted);line-height:1.4;}

/* ---------- 口碑气泡 ---------- */
.bubble-wall{display:flex;flex-wrap:wrap;gap:12px;}
.bubble{
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:10px 19px;font-size:13.5px;color:#3f4d47;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.bubble:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.cloud-tag{
  font-size:13.5px;padding:7px 16px;border-radius:999px;
  border:1px solid var(--line-2);background:#fff;color:#3f4d47;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.cloud-tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}

/* ---------- 资源卡 ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.resource-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.resource-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ccd8d2;}
.resource-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.resource-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.resource-body h3{font-size:16px;color:var(--ink);}
.resource-body p{font-size:13.5px;line-height:1.75;color:var(--muted);}
.resource-link{margin-top:auto;padding-top:6px;font-size:13.5px;font-weight:600;color:var(--primary);}

/* ---------- 资讯 ---------- */
.news-layout{display:grid;grid-template-columns:1.52fr .8fr;gap:30px;align-items:start;}
.news-main{display:grid;gap:14px;}
.post-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateX(3px);box-shadow:var(--shadow-md);border-color:#ccd8d2;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:9px;}
.post-cat{color:var(--primary);background:var(--primary-soft);padding:2px 10px;border-radius:999px;font-weight:600;}
.post-title{font-size:16.5px;line-height:1.55;color:var(--ink);margin-bottom:8px;}
.post-card:hover .post-title{color:var(--primary);}
.post-excerpt{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.side-title{
  font-size:15px;color:var(--ink);padding-bottom:13px;margin-bottom:6px;
  border-bottom:1px solid var(--line);
}
.side-post{display:flex;gap:11px;padding:13px 0;border-bottom:1px dashed var(--line);}
.side-post:last-child{border-bottom:none;padding-bottom:0;}
.side-idx{font-size:12px;font-weight:700;color:var(--gold);letter-spacing:.08em;flex:0 0 auto;padding-top:2px;}
.side-post h4{font-size:14px;line-height:1.62;color:#3f4d47;transition:color .2s var(--ease);}
.side-post:hover h4{color:var(--primary);}
.side-empty{font-size:13.5px;color:var(--muted);padding:14px 0;}
.empty-state{
  padding:46px 24px;text-align:center;font-size:14px;color:var(--muted);
  background:var(--card);border:1px dashed var(--line-2);border-radius:var(--radius);
}

/* ---------- 表单 ---------- */
.join-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:38px;align-items:start;}
.join-intro p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:18px;}
.join-list{display:grid;gap:12px;}
.join-list li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.8;color:#3f4d47;}
.join-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--primary);}
.join-form{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-md);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.is-full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:#3a463f;}
.field input,.field select,.field textarea{
  width:100%;height:auto;margin:0;padding:11px 14px;
  font-size:14.5px;line-height:1.5;color:var(--text);
  background:#fff;border:1px solid var(--line-2);border-radius:9px;
  box-shadow:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,105,90,.13);
}
.form-hint{font-size:12.5px;line-height:1.7;color:var(--muted);margin-top:14px;}
.form-msg{margin-top:14px;font-size:13.5px;color:var(--primary);font-weight:600;display:none;}
.form-msg.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(231,238,234,.72);padding:58px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr .85fr .85fr;gap:36px;padding-bottom:42px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(145deg,#1c7a68,#0a3a31);}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:rgba(231,238,234,.5);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(231,238,234,.62);max-width:330px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:13.5px;color:rgba(231,238,234,.62);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:var(--gold);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(231,238,234,.5);
}
.footer-bottom a{color:rgba(231,238,234,.62);}
.footer-bottom a:hover{color:var(--gold);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4,.scene-grid,.resource-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3,.step-list,.quote-grid,.pack-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .demo-wrap{grid-template-columns:1fr;gap:28px;}
  .join-wrap{grid-template-columns:1fr;gap:28px;}
  .invite-body{grid-template-columns:1fr;gap:22px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-desc{max-width:none;}
  .chart-side{flex-direction:row;flex-wrap:wrap;}
  .chart-side .chart-metric{flex:1 1 200px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-actions{display:none;}
  .nav-main{
    position:absolute;left:0;right:0;top:100%;z-index:90;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 16px 18px;margin:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -22px rgba(16,26,23,.7);
  }
  .nav-main.is-open{display:flex;}
  .nav-link{padding:12px 12px;border-radius:9px;font-size:15px;min-height:44px;display:flex;align-items:center;}
  .nav-link.is-active::after{left:12px;right:auto;width:18px;bottom:8px;}
  .nav-link-mobile{display:flex;margin-top:8px;background:var(--primary);color:#fff !important;justify-content:center;font-weight:600;}
  .nav-link-mobile:hover{background:var(--primary-dark);}
  .header-inner{height:62px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .grid-2,.grid-3,.grid-4,.scene-grid,.resource-grid,.step-list,.quote-grid,.pack-grid{grid-template-columns:1fr;}
  .hero{padding:56px 0 68px;}
  .hero-lead{font-size:15px;}
  .invite-panel{padding:24px 22px;border-radius:16px;}
  .invite-title{font-size:18px;}
  .section-head{margin-bottom:30px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .chart-block{padding:24px 20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-title{font-size:26px;}
  .hero-eyebrow{font-size:11.5px;letter-spacing:.1em;}
  .btn{min-height:44px;padding:11px 18px;}
  .btn-sm{min-height:40px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-num{font-size:26px;}
  .summary-item{padding:18px 18px;gap:12px;}
  .pack-card{padding:26px 22px;}
  .join-form{padding:24px 20px;}
  .post-card{padding:18px 18px;}
}

/* roulang page: article */
:root{
 --ink:#101a17;
 --ink-2:#16261f;
 --paper:#f7f5ef;
 --paper-2:#efece2;
 --card:#ffffff;
 --primary:#14695a;
 --primary-dark:#0d4a3f;
 --primary-soft:#e4efeb;
 --gold:#c39a52;
 --gold-soft:#f7efdf;
 --text:#1c2521;
 --muted:#69756f;
 --line:#e3ded2;
 --line-2:#d6d0c0;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(16,26,23,.05),0 3px 10px rgba(16,26,23,.05);
 --shadow-md:0 14px 30px -18px rgba(16,26,23,.42);
 --shadow-lg:0 26px 52px -28px rgba(16,26,23,.5);
 --ease:cubic-bezier(.22,.8,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:78px;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,table,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font:inherit;cursor:pointer;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;border:1px solid transparent;
 font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px -12px rgba(20,105,90,.95);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(20,105,90,1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:#3a463f;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;}
.btn-light:hover{background:var(--gold-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(247,245,239,.93);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 28px -20px rgba(16,26,23,.6);background:rgba(247,245,239,.98);}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--gold);
 background:linear-gradient(145deg,var(--primary),#0a3a31);
 box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 4px 10px -6px rgba(20,105,90,.9);
}
.brand-mark svg{width:19px;height:19px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.18em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:#3a463f;
 transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
 display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--line-2);border-radius:9px;
 background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#3a463f;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- 文章页矮横幅 ---------- */
.article-hero{
 position:relative;overflow:hidden;padding:30px 0 42px;
 background:linear-gradient(180deg,#f3f0e7 0%,var(--paper) 100%);
 border-bottom:1px solid var(--line);
}
.article-hero::after{
 content:"";position:absolute;right:-140px;top:-190px;width:460px;height:460px;border-radius:50%;
 background:radial-gradient(circle,rgba(20,105,90,.14),rgba(20,105,90,0) 70%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:38px;align-items:center;position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--line-2);}
.crumb-current{color:#3a463f;font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-cat{
 display:inline-flex;align-items:center;gap:7px;margin-top:16px;
 font-size:12.5px;letter-spacing:.08em;color:var(--primary-dark);
 background:var(--primary-soft);border:1px solid rgba(20,105,90,.18);
 padding:5px 13px;border-radius:999px;
}
.article-hero h1{font-size:clamp(23px,3.3vw,36px);line-height:1.32;letter-spacing:-.02em;color:var(--ink);margin:14px 0 14px;}
.article-lead{font-size:15.5px;line-height:1.82;color:#4a574f;max-width:660px;}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:13px;color:var(--muted);}
.article-meta b{color:var(--primary);font-weight:600;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag-pill{
 font-size:12.5px;padding:5px 13px;border-radius:999px;
 border:1px solid var(--line-2);background:#fff;color:#4a574f;
 transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag-pill:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.hero-cover{
 border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-md);background:#fff;
}
.hero-cover img{width:100%;height:236px;object-fit:cover;}
/* ---------- 板块 ---------- */
.section{padding:56px 0;}
.section-alt{background:var(--paper-2);}
.section-head{max-width:780px;margin-bottom:28px;}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.14em;color:var(--primary);margin-bottom:10px;}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--gold);}
.section-title{font-size:clamp(21px,2.6vw,28px);line-height:1.36;color:var(--ink);letter-spacing:-.01em;}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}
/* ---------- 摘要条 ---------- */
.summary-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start;}
.summary-note{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-sm);
}
.summary-note h2{font-size:19px;color:var(--ink);margin-bottom:10px;}
.summary-note p{font-size:15px;line-height:1.82;color:#4a574f;}
.summary-note .stat-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line-2);}
.stat-item b{display:block;font-size:21px;color:var(--primary-dark);letter-spacing:-.01em;}
.stat-item span{font-size:12.5px;color:var(--muted);}
.point-list{display:grid;gap:12px;}
.point-item{
 display:grid;grid-template-columns:auto 1fr;gap:15px;align-items:start;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:17px 19px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(20,105,90,.28);}
.point-num{
 width:30px;height:30px;border-radius:8px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:700;
}
.point-item h3{font-size:15.5px;color:var(--ink);margin-bottom:4px;}
.point-item p{font-size:14px;line-height:1.7;color:var(--muted);}
/* ---------- 正文 ---------- */
.article-body{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:32px clamp(20px,3.2vw,44px);box-shadow:var(--shadow-sm);
 font-size:16px;line-height:1.85;color:#2b3731;
}
.article-body h2{
 font-size:22px;line-height:1.45;color:var(--ink);margin:30px 0 12px;
 padding-left:13px;border-left:3px solid var(--gold);
}
.article-body h3{font-size:17.5px;line-height:1.5;color:var(--ink);margin:24px 0 10px;}
.article-body h4{font-size:16px;color:var(--ink);margin:18px 0 8px;}
.article-body p{margin:0 0 15px;}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:22px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(20,105,90,.32);}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}
.article-body img{border-radius:var(--radius-sm);margin:18px 0;box-shadow:var(--shadow-sm);}
.article-body blockquote{
 margin:18px 0;padding:15px 20px;background:var(--gold-soft);
 border-left:3px solid var(--gold);border-radius:8px;color:#5c4a28;font-size:15px;
}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:9px 12px;text-align:left;}
.article-body th{background:var(--paper-2);color:var(--ink);font-weight:600;}
.article-body strong{color:var(--ink);}
.article-empty{
 background:var(--card);border:1px dashed var(--line-2);border-radius:var(--radius);
 padding:40px 26px;text-align:center;box-shadow:var(--shadow-sm);
}
.article-empty h2{font-size:20px;color:var(--ink);margin-bottom:10px;padding:0;border:0;}
.article-empty p{font-size:15px;color:var(--muted);margin-bottom:20px;}
.body-caption{margin-top:12px;font-size:12.8px;color:var(--muted);text-align:center;}
.body-figure{margin:22px 0 6px;}
.body-figure img{width:100%;height:280px;object-fit:cover;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);}
/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.info-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(20,105,90,.3);}
.card-icon{
 width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);margin-bottom:14px;
}
.card-icon svg{width:20px;height:20px;}
.info-card h3{font-size:17px;color:var(--ink);margin-bottom:8px;}
.info-card p{font-size:14.5px;line-height:1.75;color:var(--muted);flex:1;}
.card-tag{
 display:inline-block;margin-top:16px;font-size:12px;letter-spacing:.06em;
 color:var(--primary-dark);background:var(--gold-soft);border:1px solid rgba(195,154,82,.36);
 padding:4px 11px;border-radius:999px;align-self:flex-start;
}
/* ---------- 数据表 ---------- */
.table-scroll{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow-x:auto;
}
.data-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
.data-table th,.data-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);}
.data-table th{background:var(--paper-2);color:var(--ink);font-weight:600;font-size:13.5px;letter-spacing:.03em;}
.data-table tbody tr{transition:background .2s var(--ease);}
.data-table tbody tr:hover{background:#faf8f2;}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table td strong{color:var(--primary-dark);}
.data-table .num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink);}
.table-note{margin-top:14px;font-size:13.5px;color:var(--muted);line-height:1.75;}
/* ---------- 步骤 ---------- */
.step-list{display:grid;gap:16px;}
.step-item{
 display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(20,105,90,.3);}
.step-num{
 font-size:19px;font-weight:700;color:var(--primary);letter-spacing:-.02em;
 border-right:1px solid var(--line);padding-right:16px;line-height:1.2;
}
.step-num small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;margin-top:4px;}
.step-item h3{font-size:17px;color:var(--ink);margin-bottom:6px;}
.step-item p{font-size:14.5px;line-height:1.78;color:var(--muted);}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s var(--ease);
}
.faq-item[open]{border-color:rgba(20,105,90,.3);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:600;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"";width:9px;height:9px;flex:0 0 auto;border-right:2px solid var(--primary);
 border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{padding:0 20px 18px;font-size:14.5px;line-height:1.8;color:var(--muted);}
/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(20,105,90,.32);}
.channel-card h3{font-size:17px;color:var(--ink);margin-bottom:8px;}
.channel-card p{font-size:14.5px;line-height:1.75;color:var(--muted);flex:1;}
.channel-link{
 display:inline-flex;align-items:center;gap:6px;margin-top:16px;
 font-size:13.5px;font-weight:600;color:var(--primary);
}
.channel-link::after{content:"›";font-size:17px;line-height:1;}
.channel-card:hover .channel-link{color:var(--primary-dark);}
/* ---------- 收口 CTA ---------- */
.cta-band{
 padding:52px 0;background:var(--ink);color:#eef3f0;position:relative;overflow:hidden;
}
.cta-band::before{
 content:"";position:absolute;left:-100px;bottom:-180px;width:420px;height:420px;border-radius:50%;
 background:radial-gradient(circle,rgba(20,105,90,.5),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;}
.cta-band h2{font-size:clamp(21px,2.7vw,28px);line-height:1.4;color:#fff;letter-spacing:-.01em;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(236,242,239,.8);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-2);color:#cfd9d4;padding:52px 0 26px;border-top:3px solid var(--primary);}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:linear-gradient(145deg,var(--primary),#0a3a31);}
.footer-brand .brand-text{color:#f2f6f3;font-size:16px;font-weight:700;display:flex;flex-direction:column;line-height:1.2;}
.footer-brand .brand-sub{font-size:10.5px;font-weight:500;color:#93a69d;letter-spacing:.18em;margin-top:3px;}
.footer-desc{font-size:14px;line-height:1.8;color:#a7b6af;max-width:420px;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:14px;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:14px;color:#a7b6af;}
.footer-links a:hover{color:var(--gold);}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;
 font-size:12.8px;color:#8b9a93;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr .72fr;gap:28px;}
 .summary-wrap{grid-template-columns:1fr;gap:24px;}
 .grid-3,.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1.2fr .8fr .8fr;gap:26px;}
}
@media (max-width:920px){
 .nav-toggle{display:flex;}
 .nav-main{
  position:absolute;top:64px;left:0;right:0;margin:0;
  display:none;flex-direction:column;align-items:stretch;gap:4px;
  background:var(--paper);border-bottom:1px solid var(--line);
  padding:12px 18px 18px;box-shadow:var(--shadow-md);
 }
 .nav-main.is-open{display:flex;}
 .nav-link{padding:12px;font-size:15px;}
 .nav-link.is-active::after{display:none;}
 .nav-actions{margin-left:auto;}
 .nav-actions .btn-ghost{display:none;}
 .hero-grid{grid-template-columns:1fr;}
 .hero-cover img{height:200px;}
 .cta-inner{grid-template-columns:1fr;}
 .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
 .section{padding:42px 0;}
 .article-hero{padding:24px 0 34px;}
 .grid-3,.grid-2,.channel-grid{grid-template-columns:1fr;}
 .article-body{padding:24px 20px;font-size:15.5px;}
 .article-body h2{font-size:20px;}
 .step-item{grid-template-columns:1fr;gap:12px;padding:20px;}
 .step-num{border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .header-inner{gap:10px;}
 .brand-text{font-size:15px;}
 .nav-actions .btn{padding:9px 14px;font-size:13.5px;}
 .article-hero h1{font-size:23px;}
 .hero-cover img{height:170px;}
 .summary-note{padding:20px;}
 .data-table th,.data-table td{padding:10px 12px;font-size:13.5px;}
 .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
 --ink:#101a17;
 --ink-2:#16261f;
 --paper:#f7f5ef;
 --paper-2:#efece2;
 --card:#ffffff;
 --primary:#14695a;
 --primary-dark:#0d4a3f;
 --primary-soft:#e4efeb;
 --gold:#c39a52;
 --gold-soft:#f7efdf;
 --text:#1c2521;
 --muted:#69756f;
 --line:#e3ded2;
 --line-2:#d6d0c0;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(16,26,23,.05),0 3px 10px rgba(16,26,23,.05);
 --shadow-md:0 14px 30px -18px rgba(16,26,23,.42);
 --shadow-lg:0 26px 52px -28px rgba(16,26,23,.5);
 --ease:cubic-bezier(.22,.8,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:78px;}
body{
 margin:0;padding:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border-radius:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
button{font-family:inherit;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;border:1px solid transparent;
 font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px -12px rgba(20,105,90,.95);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(20,105,90,1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:#3a463f;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;}
.btn-light:hover{background:var(--gold-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(247,245,239,.93);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 28px -20px rgba(16,26,23,.6);background:rgba(247,245,239,.98);}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--gold);
 background:linear-gradient(145deg,var(--primary),#0a3a31);
 box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 4px 10px -6px rgba(20,105,90,.9);
}
.brand-mark svg{width:19px;height:19px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.18em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:#3a463f;
 transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
 display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--line-2);border-radius:9px;
 background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#3a463f;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#eef3f0;padding:62px 0 68px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:saturate(.6) contrast(.96);}
.hero-veil{
 position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(880px 420px at 14% 0%,rgba(20,105,90,.55),transparent 62%),
 linear-gradient(180deg,rgba(16,26,23,.84) 0%,rgba(16,26,23,.92) 55%,rgba(16,26,23,.97) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;}
.hero-copy{max-width:620px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(224,234,229,.68);margin-bottom:16px;}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.hero-eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--gold);
 border:1px solid rgba(195,154,82,.42);background:rgba(195,154,82,.1);
 padding:5px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-title{font-size:clamp(26px,3.9vw,42px);line-height:1.24;color:#fff;margin-bottom:18px;}
.hero-title em{font-style:normal;color:#e8cf9b;}
.hero-lead{font-size:15.5px;line-height:1.85;color:rgba(236,242,239,.84);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-pill{
 font-size:13px;padding:6px 14px;border-radius:999px;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#dfe9e4;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.rhythm-panel{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);
 padding:24px 22px;
 box-shadow:0 26px 52px -30px rgba(0,0,0,.85);
 -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.rhythm-head{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.rhythm-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(195,154,82,.18);}
.rhythm-head h2{font-size:16.5px;color:#fff;letter-spacing:.01em;}
.rhythm-note{font-size:13px;line-height:1.75;color:rgba(226,236,231,.72);margin-bottom:16px;}
.rhythm-list{display:grid;gap:10px;margin-bottom:20px;}
.rhythm-list li{
 display:flex;flex-direction:column;gap:2px;
 padding:11px 13px;border-radius:10px;
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.09);
}
.rhythm-time{font-size:12px;letter-spacing:.06em;color:var(--gold);font-weight:600;}
.rhythm-text{font-size:13px;line-height:1.7;color:rgba(232,240,236,.86);}
/* ---------- 通用板块 ---------- */
.section{padding:66px 0;}
.section--tint{background:var(--paper-2);}
.section--white{background:var(--card);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:.16em;color:var(--primary);font-weight:600;margin-bottom:10px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold);}
.sec-title{font-size:clamp(21px,2.5vw,29px);line-height:1.3;}
.sec-desc{font-size:14.5px;line-height:1.8;color:var(--muted);max-width:520px;}
/* ---------- 数据条 ---------- */
.strip{background:var(--ink-2);color:#e7efeb;border-top:1px solid rgba(255,255,255,.06);}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.09);}
.strip-cell{background:var(--ink-2);padding:26px 22px;text-align:left;}
.strip-num{font-size:26px;font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.2;}
.strip-num small{font-size:14px;font-weight:600;color:var(--gold);margin-left:2px;}
.strip-label{font-size:13px;color:rgba(214,228,221,.72);margin-top:6px;line-height:1.6;}
/* ---------- 卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.card-icon{
 width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary);margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;}
.card h3{font-size:16.5px;margin-bottom:8px;}
.card p{font-size:14px;line-height:1.8;color:var(--muted);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
 font-size:12px;padding:4px 11px;border-radius:999px;
 background:var(--gold-soft);color:#8a6b2f;border:1px solid #ecdcc0;font-weight:500;
}
.chip--green{background:var(--primary-soft);color:var(--primary-dark);border-color:#cfe3dc;}
/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center;}
.figure-frame{
 border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-md);background:var(--paper-2);
}
.figure-frame img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.figure-cap{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.7;}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;}
.check-mark{
 flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
 background:var(--primary);color:#fff;font-size:12px;margin-top:3px;
}
.check-list strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px;}
.check-list span.txt{font-size:13.5px;line-height:1.78;color:var(--muted);}
/* ---------- 概率表 ---------- */
.table-wrap{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
table.data{width:100%;border-collapse:collapse;font-size:14px;background:transparent;margin:0;}
table.data thead th{
 background:var(--ink-2);color:#e9f0ec;font-size:13px;font-weight:600;letter-spacing:.04em;
 padding:14px 18px;text-align:left;border:0;
}
table.data tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top;line-height:1.75;}
table.data tbody tr:last-child td{border-bottom:0;}
table.data tbody tr:hover{background:var(--primary-soft);}
table.data b{color:var(--primary-dark);}
.table-note{font-size:12.5px;color:var(--muted);padding:14px 18px;background:var(--paper-2);line-height:1.75;border-top:1px solid var(--line);}
/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step{
 position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step::before{
 counter-increment:step;content:"0" counter(step);
 position:absolute;top:16px;right:20px;font-size:26px;font-weight:700;
 color:var(--primary-soft);letter-spacing:-.02em;line-height:1;
}
.step h3{font-size:16px;margin-bottom:8px;padding-right:36px;}
.step p{font-size:13.5px;line-height:1.8;color:var(--muted);}
.step-meta{display:inline-block;margin-top:14px;font-size:12px;color:var(--primary);background:var(--primary-soft);padding:4px 11px;border-radius:999px;}
/* ---------- 判定清单 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.rule-box{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:20px 20px;box-shadow:var(--shadow-sm);
 transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.rule-box:hover{border-color:var(--line-2);transform:translateY(-3px);}
.rule-box h3{font-size:15px;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.rule-box h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 auto;}
.rule-box ul{display:grid;gap:7px;}
.rule-box li{font-size:13.5px;line-height:1.78;color:var(--muted);padding-left:14px;position:relative;}
.rule-box li::before{content:"·";position:absolute;left:2px;top:0;color:var(--primary);font-weight:700;}
/* ---------- 玩家反馈 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.quote-text{font-size:14px;line-height:1.85;color:#3a463f;}
.quote-by{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:4px;}
.avatar{
 width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:700;
}
.quote-name{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.3;}
.quote-role{font-size:12px;color:var(--muted);}
/* ---------- 频道入口 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.topic-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3dc;}
.topic-index{font-size:12px;letter-spacing:.18em;color:var(--gold);font-weight:600;}
.topic-card h3{font-size:16.5px;}
.topic-card p{font-size:13.5px;line-height:1.8;color:var(--muted);}
.topic-more{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;margin-top:4px;}
.topic-card:hover .topic-more{color:var(--primary-dark);}
/* ---------- 内容列表 ---------- */
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.note-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3dc;}
.note-cat{font-size:11.5px;letter-spacing:.1em;color:var(--primary);background:var(--primary-soft);padding:3px 10px;border-radius:999px;align-self:flex-start;font-weight:600;}
.note-card h3{font-size:15.5px;line-height:1.55;}
.note-card p{font-size:13.5px;line-height:1.8;color:var(--muted);}
.note-time{font-size:12px;color:#8a948e;margin-top:auto;padding-top:8px;}
.note-empty{
 text-align:center;font-size:14px;color:var(--muted);
 background:var(--card);border:1px dashed var(--line-2);border-radius:var(--radius);
 padding:44px 22px;
}
.list-foot{display:flex;justify-content:center;margin-top:30px;}
/* ---------- CTA ---------- */
.cta-band{
 background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 62%,#0a332b 100%);
 border-radius:18px;padding:44px 40px;color:#eef6f2;
 box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle,rgba(195,154,82,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,27px);margin-bottom:12px;}
.cta-band p{font-size:14.5px;line-height:1.85;color:rgba(230,242,236,.85);}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input[type="email"]{
 flex:1 1 200px;min-height:44px;padding:11px 15px;border-radius:9px;border:1px solid rgba(255,255,255,.28);
 background:rgba(255,255,255,.12);color:#fff;font-size:14px;
}
.cta-form input[type="email"]::placeholder{color:rgba(255,255,255,.6);}
.cta-form input[type="email"]:focus{background:rgba(255,255,255,.2);border-color:var(--gold);outline:none;}
.form-tip{font-size:12.5px;color:rgba(228,240,234,.68);margin-top:10px;}
/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:20px 22px;box-shadow:var(--shadow-sm);
}
.faq-item h3{font-size:15px;margin-bottom:8px;line-height:1.6;}
.faq-item p{font-size:13.5px;line-height:1.82;color:var(--muted);}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#c8d5cf;padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.brand-text{color:#fff;}
.footer-brand .brand-sub{color:rgba(200,213,207,.6);}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(200,213,207,.75);max-width:380px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:rgba(200,213,207,.78);transition:color .2s var(--ease);}
.footer-links a:hover{color:#e8cf9b;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 border-top:1px solid rgba(255,255,255,.1);padding-top:20px;
 font-size:12.5px;color:rgba(200,213,207,.6);line-height:1.7;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .hero-copy{max-width:none;}
 .split{grid-template-columns:1fr;gap:28px;}
 .grid-3,.quote-grid,.topic-grid,.note-grid,.steps{grid-template-columns:repeat(2,1fr);}
 .strip-grid{grid-template-columns:repeat(2,1fr);}
 .cta-inner{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:900px){
 .nav-main{
  position:absolute;top:64px;left:-22px;right:-22px;
  display:none;flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 18px 18px;box-shadow:0 22px 36px -26px rgba(16,26,23,.6);
 }
 .nav-main.is-open{display:flex;}
 .nav-link{padding:11px 12px;font-size:15px;}
 .nav-link.is-active::after{display:none;}
 .nav-link.is-active{background:var(--primary-soft);}
 .nav-actions{display:none;}
 .nav-toggle{display:flex;}
}
@media (max-width:768px){
 .section{padding:50px 0;}
 .hero{padding:44px 0 50px;}
 .grid-3,.grid-2,.quote-grid,.topic-grid,.note-grid,.steps,.rule-grid,.faq-grid{grid-template-columns:1fr;}
 .strip-grid{grid-template-columns:1fr;}
 .strip-cell{padding:20px 18px;}
 .sec-head{margin-bottom:26px;}
 .cta-band{padding:32px 22px;border-radius:14px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .hero-title{font-size:25px;}
 .hero-lead{font-size:14.5px;}
 .btn{width:100%;}
 .hero-cta{flex-direction:column;align-items:stretch;}
 .rhythm-panel{padding:20px 16px;}
 .cta-form input[type="email"]{flex:1 1 100%;}
 table.data thead th,table.data tbody td{padding:12px 13px;font-size:13px;}
 .strip-num{font-size:22px;}
}

/* roulang page: category2 */
:root{
 --ink:#101a17;
 --ink-2:#16261f;
 --paper:#f7f5ef;
 --paper-2:#efece2;
 --card:#ffffff;
 --primary:#14695a;
 --primary-dark:#0d4a3f;
 --primary-soft:#e4efeb;
 --gold:#c39a52;
 --gold-soft:#f7efdf;
 --text:#1c2521;
 --muted:#69756f;
 --line:#e3ded2;
 --line-2:#d6d0c0;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(16,26,23,.05),0 3px 10px rgba(16,26,23,.05);
 --shadow-md:0 14px 30px -18px rgba(16,26,23,.42);
 --shadow-lg:0 26px 52px -28px rgba(16,26,23,.5);
 --ease:cubic-bezier(.22,.8,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;font-family:inherit;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:inherit;}
img{max-width:100%;height:auto;display:block;}
button{font:inherit;cursor:pointer;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;border:1px solid transparent;
 font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px -12px rgba(20,105,90,.95);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(20,105,90,1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:#3a463f;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;}
.btn-light:hover{background:var(--gold-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(247,245,239,.93);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 28px -20px rgba(16,26,23,.6);background:rgba(247,245,239,.98);}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--gold);
 background:linear-gradient(145deg,var(--primary),#0a3a31);
 box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 4px 10px -6px rgba(20,105,90,.9);
 flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.18em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:#3a463f;
 transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-cta-mobile{display:none;}
.nav-toggle{
 display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--line-2);border-radius:9px;
 background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#3a463f;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- hero ---------- */
.hero-page{position:relative;overflow:hidden;background:var(--ink);color:#eef3f0;padding:64px 0 58px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:saturate(.6) contrast(.96);}
.hero-veil{
 position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(900px 420px at 18% 0%,rgba(20,105,90,.55),transparent 62%),
 linear-gradient(180deg,rgba(16,26,23,.84) 0%,rgba(16,26,23,.9) 58%,rgba(16,26,23,.97) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:44px;align-items:center;}
.hero-copy{max-width:760px;min-width:0;}
.hero-eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--gold);
 border:1px solid rgba(195,154,82,.42);background:rgba(195,154,82,.1);
 padding:5px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-title{font-size:clamp(26px,3.9vw,42px);line-height:1.26;letter-spacing:-.02em;color:#fff;margin-bottom:18px;}
.hero-lead{font-size:15.5px;line-height:1.85;color:rgba(236,242,239,.84);margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag-pill{
 font-size:13px;padding:6px 14px;border-radius:999px;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#dfe9e4;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-side{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;}
.hero-play{
 width:76px;height:76px;border-radius:50%;display:grid;place-items:center;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.32);color:#fff;
 transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.hero-play svg{width:24px;height:24px;margin-left:3px;}
.hero-play:hover{transform:scale(1.06);background:var(--gold);border-color:var(--gold);box-shadow:0 18px 34px -18px rgba(195,154,82,.95);color:#1b1c16;}
.hero-side small{font-size:12.5px;letter-spacing:.1em;color:rgba(236,242,239,.7);}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 34px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);}
.hero-fact b{display:block;font-size:20px;color:#fff;line-height:1.3;}
.hero-fact span{font-size:12.5px;color:rgba(236,242,239,.66);letter-spacing:.06em;}
/* ---------- section ---------- */
.section{padding:62px 0;border-top:1px solid var(--line);}
.section--alt{background:var(--paper-2);}
.section--dark{background:var(--ink);color:#e6ede9;border-top:0;}
.section--dark .section-title,.section--dark h3,.section--dark h4{color:#fff;}
.section--dark .section-desc{color:rgba(232,238,234,.72);}
.section-head{max-width:780px;margin-bottom:34px;}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.14em;
 color:var(--primary);font-weight:600;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold);}
.section--dark .section-kicker{color:var(--gold);}
.section-title{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.section-desc{color:var(--muted);font-size:15px;margin:0;}
/* ---------- value ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.value-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.card-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary);margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px;}
.value-card h3{font-size:16.5px;margin-bottom:8px;}
.value-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}
/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center;}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff;}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.road-list{margin-top:6px;}
.road-item{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line-2);}
.road-item:last-child{border-bottom:0;padding-bottom:0;}
.road-dot{
 flex:0 0 auto;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
 background:var(--gold-soft);color:#8a6a2e;font-size:13px;font-weight:700;margin-top:2px;
}
.road-item h4{font-size:15.5px;margin-bottom:4px;}
.road-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;position:relative;}
.step{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
 box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
 font-size:34px;font-weight:700;color:var(--primary-soft);line-height:1;margin-bottom:12px;letter-spacing:-.03em;
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);margin:0;line-height:1.78;}
.step::after{
 content:"";position:absolute;left:0;top:0;width:3px;height:100%;
 background:linear-gradient(180deg,var(--primary),transparent 92%);opacity:.9;
}
/* ---------- table ---------- */
.table-wrap{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
table.data-table{width:100%;border-collapse:collapse;margin:0;font-size:14.5px;background:transparent;}
table.data-table thead th{
 background:var(--primary-soft);color:var(--primary-dark);font-weight:600;font-size:13.5px;
 letter-spacing:.04em;padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);
}
table.data-table tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top;}
table.data-table tbody tr:last-child td{border-bottom:0;}
table.data-table tbody tr{transition:background .18s var(--ease);}
table.data-table tbody tr:hover{background:#fbfaf5;}
table.data-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}
.table-note{font-size:13px;color:var(--muted);margin-top:14px;}
/* ---------- mistakes ---------- */
.mistake-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.mistake-card{
 background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);
 border-radius:var(--radius-sm);padding:22px 22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.mistake-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-left-color:var(--primary);}
.mistake-card h3{font-size:15.5px;margin-bottom:8px;}
.mistake-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.76;}
.mistake-card .fix{display:inline-block;margin-top:12px;font-size:13px;color:var(--primary);font-weight:600;}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
 display:flex;flex-direction:column;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:12px;}
.news-cat{
 padding:3px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);
 font-weight:600;letter-spacing:.02em;
}
.news-title{font-size:16.5px;line-height:1.5;margin-bottom:10px;}
.news-title a:hover{color:var(--primary);}
.news-desc{font-size:14px;color:var(--muted);line-height:1.76;margin-bottom:16px;}
.news-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--primary);}
.news-more:hover{color:var(--primary-dark);}
.news-empty{
 grid-column:1 / -1;text-align:center;padding:38px 20px;border:1px dashed var(--line-2);
 border-radius:var(--radius);color:var(--muted);font-size:14.5px;background:rgba(255,255,255,.6);
}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:0;box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--shadow-md);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
 font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 font-size:19px;font-weight:400;color:var(--primary);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.85;}
/* ---------- cta ---------- */
.cta-band{
 background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 62%,#0a342c 100%);
 color:#eaf2ee;border-radius:18px;padding:44px 46px;
 display:flex;align-items:center;gap:36px;justify-content:space-between;flex-wrap:wrap;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,27px);margin-bottom:10px;}
.cta-band p{color:rgba(234,242,238,.82);font-size:14.5px;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 26px;margin-top:20px;}
.cta-checks li{font-size:14px;color:rgba(234,242,238,.86);display:flex;gap:9px;align-items:flex-start;}
.cta-checks li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#cfdad4;padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:rgba(207,218,212,.6);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(207,218,212,.72);margin:0;max-width:420px;}
.footer-col h4{color:#fff;font-size:14.5px;letter-spacing:.04em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(207,218,212,.74);transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-links a:hover{color:var(--gold);transform:translateX(3px);}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
 padding-top:22px;font-size:13px;color:rgba(207,218,212,.58);
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:minmax(0,1fr);gap:30px;}
 .hero-side{flex-direction:row;justify-content:flex-start;text-align:left;gap:16px;}
 .hero-play{width:58px;height:58px;}
 .value-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:minmax(0,1fr);gap:30px;}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .cta-band{padding:36px 30px;gap:26px;}
}
@media (max-width:900px){
 .header-inner{height:60px;}
 .nav-actions{display:none;}
 .nav-toggle{display:flex;}
 .nav-main{
  position:fixed;left:0;right:0;top:60px;margin-left:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:var(--paper);border-bottom:1px solid var(--line);
  padding:12px 18px 18px;display:none;box-shadow:var(--shadow-md);max-height:calc(100vh - 60px);overflow-y:auto;
 }
 .nav-main.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;border-radius:9px;}
 .nav-link.is-active::after{display:none;}
 .nav-link.is-active{background:var(--primary-soft);}
 .nav-cta-mobile{
  display:inline-flex;align-items:center;justify-content:center;margin-top:8px;
  padding:12px 16px;border-radius:9px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;
 }
 .nav-cta-mobile:hover{background:var(--primary-dark);color:#fff;}
 html{scroll-padding-top:74px;}
}
@media (max-width:768px){
 .section{padding:48px 0;}
 .hero-page{padding:48px 0 44px;}
 .value-grid{grid-template-columns:minmax(0,1fr);}
 .steps{grid-template-columns:minmax(0,1fr);}
 .news-grid{grid-template-columns:minmax(0,1fr);}
 .mistake-grid{grid-template-columns:minmax(0,1fr);}
 .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
 .hero-facts{gap:14px 26px;}
 .cta-checks{grid-template-columns:minmax(0,1fr);}
 .table-wrap{overflow-x:auto;}
 table.data-table{min-width:620px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .brand-text{font-size:15px;}
 .brand-sub{letter-spacing:.12em;}
 .hero-actions .btn{width:100%;}
 .hero-title{font-size:24px;}
 .cta-band{padding:28px 22px;border-radius:14px;}
 .cta-actions{width:100%;}
 .cta-actions .btn{width:100%;}
 .footer-bottom{flex-direction:column;}
 .btn-sm{padding:9px 14px;}
}

/* roulang page: category3 */
:root{
 --ink:#101a17;
 --ink-2:#16261f;
 --paper:#f7f5ef;
 --paper-2:#efece2;
 --card:#ffffff;
 --primary:#14695a;
 --primary-dark:#0d4a3f;
 --primary-soft:#e4efeb;
 --gold:#c39a52;
 --gold-soft:#f7efdf;
 --text:#1c2521;
 --muted:#69756f;
 --line:#e3ded2;
 --line-2:#d6d0c0;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(16,26,23,.05),0 3px 10px rgba(16,26,23,.05);
 --shadow-md:0 14px 30px -18px rgba(16,26,23,.42);
 --shadow-lg:0 26px 52px -28px rgba(16,26,23,.5);
 --ease:cubic-bezier(.22,.8,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%;}
body{
 margin:0;padding:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--ink);font-weight:700;line-height:1.32;letter-spacing:-.01em;margin:0 0 .55em;}
h1{font-size:clamp(26px,3.6vw,40px);}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:17px;}
p{margin:0 0 1em;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;border:1px solid transparent;
 font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px -12px rgba(20,105,90,.95);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(20,105,90,1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:#3a463f;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary-dark);border-color:#fff;}
.btn-light:hover{background:var(--gold-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(247,245,239,.94);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 28px -20px rgba(16,26,23,.6);background:rgba(247,245,239,.99);}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--gold);
 background:linear-gradient(145deg,var(--primary),#0a3a31);
 box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 4px 10px -6px rgba(20,105,90,.9);
 flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.18em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:#3a463f;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
 display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--line-2);border-radius:9px;
 background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#3a463f;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#eef3f0;padding:62px 0 72px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.3;filter:saturate(.6) contrast(.96);}
.hero-veil{
 position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(900px 420px at 14% 0%,rgba(20,105,90,.5),transparent 62%),
 linear-gradient(180deg,rgba(16,26,23,.86) 0%,rgba(16,26,23,.92) 55%,rgba(16,26,23,.98) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero-copy{max-width:660px;}
.hero-eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--gold);
 border:1px solid rgba(195,154,82,.42);background:rgba(195,154,82,.1);
 padding:5px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-title{font-size:clamp(25px,3.4vw,38px);line-height:1.26;color:#fff;margin-bottom:18px;}
.hero-lead{font-size:15.8px;line-height:1.85;color:rgba(236,242,239,.84);margin:0;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-pill{font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#dfe9e4;}
.hero-panel{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);
 border-radius:16px;padding:24px 22px;box-shadow:0 24px 50px -34px rgba(0,0,0,.9);
}
.panel-title{font-size:12.5px;letter-spacing:.14em;color:var(--gold);font-weight:600;margin-bottom:8px;}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:13.8px;color:rgba(236,242,239,.82);}
.panel-row:last-child{border-bottom:0;padding-bottom:0;}
.panel-row b{color:#fff;font-size:15px;font-weight:700;}
/* ---------- 版面 ---------- */
.section{padding:72px 0;}
.section--tight{padding:52px 0;}
.section--paper{background:var(--paper);}
.section--alt{background:var(--paper-2);}
.section--white{background:#fff;}
.section--ink{background:var(--ink);color:#e9efec;}
.section-head{max-width:780px;margin-bottom:36px;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;letter-spacing:.14em;color:var(--primary);margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold);}
.section--ink .eyebrow{color:var(--gold);}
.sec-title{margin-bottom:12px;}
.section--ink .sec-title{color:#fff;}
.sec-sub{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0;}
.section--ink .sec-sub{color:rgba(233,239,236,.78);}
/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 18px;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.stat-box:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.stat-num{font-size:29px;font-weight:800;color:var(--primary);line-height:1.15;letter-spacing:-.02em;}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;}
/* ---------- 卡片 ---------- */
.rl-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:24px 22px;height:100%;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.card-icon{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;color:var(--primary);background:var(--primary-soft);margin-bottom:16px;}
.card-icon svg{width:20px;height:20px;display:block;}
.card-title{font-size:17px;margin-bottom:10px;color:var(--ink);}
.card-text{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-block;font-size:12.3px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);}
.tag--gold{background:var(--gold-soft);color:#8a6a2f;}
.tag--line{background:#fff;border:1px solid var(--line-2);color:#4a564f;font-weight:500;}
/* ---------- 图文卡 ---------- */
.media-card{
 display:flex;flex-direction:column;height:100%;overflow:hidden;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.media-thumb{position:relative;overflow:hidden;background:var(--paper-2);aspect-ratio:16/10;}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.media-card:hover .media-thumb img{transform:scale(1.05);}
.media-body{padding:20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.media-body .card-title{margin-bottom:0;}
/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.flow-num{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--gold);font-weight:700;display:grid;place-items:center;font-size:14px;margin-bottom:14px;}
.flow-step h3{font-size:16px;margin-bottom:8px;}
.flow-step p{font-size:14px;line-height:1.78;color:var(--muted);margin:0;}
/* ---------- 概率条 ---------- */
.meter-list{display:grid;gap:20px;max-width:760px;}
.meter{display:grid;gap:8px;}
.meter-top{display:flex;justify-content:space-between;gap:16px;font-size:14.4px;color:#33403a;font-weight:500;}
.meter-top b{color:var(--primary);font-weight:700;}
.meter-bar{height:9px;border-radius:999px;background:var(--paper-2);overflow:hidden;border:1px solid var(--line);}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#2f9c85);}
.meter-fill--gold{background:linear-gradient(90deg,#b98f46,#d8b878);}
.meter-fill--muted{background:linear-gradient(90deg,#8a948e,#b4bcb7);}
.note-card{background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);}
.note-card p{font-size:14.6px;line-height:1.85;color:#46524b;margin:0;}
/* ---------- 频道矩阵 ---------- */
.matrix-card{
 display:flex;flex-direction:column;gap:10px;height:100%;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary);background:#fdfefd;}
.matrix-card .card-title{margin-bottom:2px;}
.matrix-card p{font-size:14.3px;line-height:1.78;color:var(--muted);margin:0;}
.matrix-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary);margin-top:6px;}
.matrix-card:hover .matrix-more{color:var(--primary-dark);}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 20px;font-weight:600;color:var(--ink);font-size:15.5px;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--primary);font-size:20px;line-height:1;font-weight:400;flex:0 0 auto;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{background:var(--primary-soft);}
.faq-item p{margin:0;padding:16px 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.82;}
/* ---------- CTA ---------- */
.cta-band{
 background:linear-gradient(135deg,var(--ink) 0%,#143b32 60%,#0d4a3f 100%);
 border-radius:18px;padding:48px 44px;color:#eef3f0;position:relative;overflow:hidden;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(195,154,82,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:1;max-width:720px;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(233,239,236,.8);font-size:15.4px;line-height:1.85;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(233,239,236,.8);padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.48);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(233,239,236,.66);max-width:430px;margin:0;}
.footer-col h4{font-size:13.5px;color:#fff;letter-spacing:.1em;margin-bottom:14px;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:14px;color:rgba(233,239,236,.7);}
.footer-links a:hover{color:var(--gold);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:20px;font-size:12.8px;color:rgba(233,239,236,.5);}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:30px;}
 .hero-copy{max-width:none;}
 .hero{padding:52px 0 60px;}
 .flow{grid-template-columns:repeat(2,1fr);}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .section{padding:60px 0;}
}
@media (max-width:900px){
 .nav-main{
  position:absolute;top:64px;left:-22px;right:-22px;margin-left:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 22px 40px -28px rgba(16,26,23,.55);
  padding:12px 18px 18px;display:none;
 }
 .nav-main.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;}
 .nav-link.is-active::after{display:none;}
 .nav-link.is-active{background:var(--primary-soft);}
 .nav-actions{margin:10px 0 0;flex-direction:column;align-items:stretch;gap:10px;}
 .nav-actions .btn{width:100%;padding:11px 18px;font-size:14.5px;}
 .nav-toggle{display:flex;}
 .cta-band{padding:36px 26px;}
}
@media (max-width:768px){
 .header-inner{height:60px;}
 .nav-main{top:60px;}
 .hero-title{font-size:26px;}
 .flow{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:1fr 1fr;gap:12px;}
 .stat-num{font-size:25px;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-desc{max-width:none;}
 .section{padding:52px 0;}
 .section--tight{padding:40px 0;}
 .rl-card,.media-body,.matrix-card{padding:20px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .nav-main{left:-16px;right:-16px;}
 .hero{padding:42px 0 50px;}
 .hero-tags{gap:8px;}
 .tag-pill{font-size:12px;padding:5px 11px;}
 .stat-grid{grid-template-columns:1fr;}
 .cta-actions .btn{width:100%;}
 .btn{min-height:42px;}
 .faq-item summary{font-size:14.8px;padding:15px 16px;}
 .faq-item p{padding:14px 16px 16px;}
}