/* roulang page: index */
:root{
  --amber:#F2601F;
  --amber-dark:#D34E13;
  --amber-soft:#FDE7DA;
  --lime:#C8F04A;
  --lime-soft:#EFFAC9;
  --teal:#0F5C55;
  --teal-soft:#E2F0EE;
  --ink:#17120E;
  --ink-2:#241C16;
  --paper:#F6F1E8;
  --card:#FFFFFF;
  --text:#1C1712;
  --muted:#6B6259;
  --inverse:#F6F1E8;
  --border:#E4DBCC;
  --danger:#C0392B;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 2px 0 rgba(23,18,14,.08), 0 10px 24px rgba(23,18,14,.06);
  --shadow-lift:0 3px 0 rgba(23,18,14,.10), 0 16px 34px rgba(23,18,14,.12);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.grid-container{max-width:1200px;padding-left:22px;padding-right:22px}
.section{padding-top:88px;padding-bottom:88px}
.section--tight{padding-top:64px;padding-bottom:64px}
.section--paper{background:var(--paper)}
.section--card{background:#FFFDF8}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  font-size:34px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.3px;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;
  color:var(--amber);text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--amber)}

/* ---------- 波形装饰 ---------- */
.wave{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.wave i{display:block;width:3px;border-radius:2px;background:var(--amber);animation:none}
.wave i:nth-child(1){height:8px}
.wave i:nth-child(2){height:16px;background:var(--lime)}
.wave i:nth-child(3){height:11px}
.wave i:nth-child(4){height:22px;background:var(--lime)}
.wave i:nth-child(5){height:14px}
.wave i:nth-child(6){height:19px;background:var(--lime)}
.wave i:nth-child(7){height:9px}
.wave--inverse i{background:var(--inverse)}
.wave--inverse i:nth-child(2),.wave--inverse i:nth-child(4),.wave--inverse i:nth-child(6){background:var(--lime)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80}
.promo-bar{
  background:var(--ink);color:var(--inverse);
  max-height:44px;overflow:hidden;
  transition:max-height .28s ease,opacity .22s ease;
}
.site-header.is-scrolled .promo-bar{max-height:0;opacity:0}
.promo-inner{
  display:flex;align-items:center;gap:18px;
  min-height:40px;font-size:13px;
}
.promo-tag{
  background:var(--amber);color:#fff;font-weight:700;
  padding:3px 10px;border-radius:var(--radius-pill);font-size:12px;white-space:nowrap;
}
.promo-text{color:rgba(246,241,232,.82);flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.promo-count{font-family:var(--font-mono);font-size:13px;color:var(--lime);white-space:nowrap}
.promo-count b{font-weight:700;letter-spacing:.5px}
.promo-close{
  background:transparent;border:1px solid rgba(246,241,232,.3);color:var(--inverse);
  width:24px;height:24px;border-radius:50%;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.promo-close:hover{background:rgba(246,241,232,.14)}
.main-nav{background:var(--card);border-bottom:1px solid var(--border)}
.site-header.is-scrolled .main-nav{box-shadow:0 3px 0 rgba(23,18,14,.08),0 12px 26px rgba(23,18,14,.10)}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-.4px;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;position:relative;flex:0 0 auto;
}
.brand-mark::before{
  content:"";width:0;height:0;border-left:11px solid var(--amber);
  border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px;
}
.brand-name{color:var(--text)}
.brand-name em{font-style:normal;color:var(--amber)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:600;color:var(--muted);
  border-radius:var(--radius-sm);transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a::before{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::before{transform:scaleX(1)}
.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--lime-soft);color:#3F5A05;border:1px solid #D6E9A0;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:var(--radius-pill);white-space:nowrap;
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;background:#6FA80E;box-shadow:0 0 0 3px rgba(111,168,14,.18)}
.nav-toggle{
  display:none;background:var(--ink);border:0;color:var(--inverse);
  width:42px;height:42px;border-radius:12px;cursor:pointer;font-size:18px;
}
.nav-scrim{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 2px 0 rgba(23,18,14,.18),0 8px 18px rgba(242,96,31,.28)}
.btn-primary:hover{background:var(--amber-dark);transform:translateY(-2px);box-shadow:0 4px 0 rgba(23,18,14,.20),0 14px 26px rgba(242,96,31,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--teal);border-color:var(--teal)}
.btn-ghost:hover{background:var(--teal-soft);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:#2F3F04;box-shadow:0 2px 0 rgba(23,18,14,.14)}
.btn-lime:hover{background:#B8E234;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 通用标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.pill-lime{background:var(--lime);color:#2F3F04}
.pill-amber{background:var(--amber);color:#fff}
.pill-outline{border:1px solid rgba(246,241,232,.45);color:var(--inverse)}
.pill-teal{background:var(--teal-soft);color:var(--teal);border:1px solid #CBE3DF}
.pill-amber-soft{background:var(--amber-soft);color:var(--amber-dark)}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
  background:var(--paper);border:1px solid var(--border);
  font-size:12px;font-weight:600;color:var(--muted);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--inverse);
  background-image:linear-gradient(115deg,rgba(23,18,14,.94) 0%,rgba(23,18,14,.82) 52%,rgba(23,18,14,.66) 100%),url("/assets/images/backpic/back-1.jpg");
  background-size:cover;background-position:center;
  padding:84px 0 76px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:5px;
  background:linear-gradient(90deg,var(--amber) 0 55%,var(--lime) 55% 100%);
}
.hero-copy{max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}
.hero h1{
  font-size:52px;font-weight:900;line-height:1.14;letter-spacing:-.5px;
  margin-bottom:20px;
}
.hero h1 span{color:var(--lime)}
.hero-lead{color:rgba(246,241,232,.86);font-size:16.5px;max-width:600px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-cta .btn-ghost{color:var(--inverse);border-color:rgba(246,241,232,.5)}
.hero-cta .btn-ghost:hover{background:rgba(246,241,232,.12)}
.hero-mini{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  border-top:1px solid rgba(246,241,232,.18);padding-top:22px;max-width:640px;
}
.hero-mini div b{display:block;font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--lime)}
.hero-mini div span{font-size:12.5px;color:rgba(246,241,232,.7)}
.quiz-card{
  background:var(--card);color:var(--text);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-lift);
}
.quiz-card .quiz-title{font-size:19px;font-weight:800;margin-bottom:6px}
.quiz-card .quiz-sub{font-size:14px;color:var(--muted);margin-bottom:18px}
.quiz-opts{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.quiz-opt{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:8px 15px;font-size:14px;font-weight:600;cursor:pointer;color:var(--muted);
  transition:all .2s ease;
}
.quiz-opt:hover{border-color:var(--amber);color:var(--amber-dark)}
.quiz-opt.is-on{background:var(--amber);border-color:var(--amber);color:#fff}
.quiz-result{
  background:var(--paper);border-left:3px solid var(--lime);border-radius:var(--radius-sm);
  padding:14px 16px;font-size:14.5px;color:var(--text);min-height:78px;
}
.quiz-result strong{display:block;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:4px;letter-spacing:.4px}
.quiz-actions{margin-top:18px;display:flex;gap:10px}

/* ---------- 指标看板 ---------- */
.metrics{background:var(--ink);color:var(--inverse);padding:56px 0}
.metrics-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.metrics-head h2{font-size:28px;font-weight:800;color:var(--inverse)}
.metrics-head p{font-size:14.5px;color:rgba(246,241,232,.66);margin-top:8px;max-width:620px}
.metric-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:rgba(246,241,232,.14);border:1px solid rgba(246,241,232,.14);border-radius:var(--radius);overflow:hidden}
.metric-cell{background:var(--ink-2);padding:22px 18px}
.metric-cell .num{font-family:var(--font-mono);font-size:27px;font-weight:700;color:var(--lime);line-height:1.2}
.metric-cell .num small{font-size:13px;color:rgba(246,241,232,.6);margin-left:3px;font-family:var(--font-sans)}
.metric-cell .label{font-size:13px;color:rgba(246,241,232,.74);margin-top:6px}
.metric-cell .trend{display:flex;align-items:center;gap:6px;margin-top:12px;font-size:12px;color:var(--amber)}
.metric-cell .bars{display:inline-flex;gap:3px;align-items:flex-end;height:14px}
.metric-cell .bars i{width:3px;background:var(--amber);border-radius:2px;display:block}
.metric-cell .bars i:nth-child(1){height:6px}
.metric-cell .bars i:nth-child(2){height:10px}
.metric-cell .bars i:nth-child(3){height:14px}

/* ---------- 痛点清单 ---------- */
.pain-list{display:grid;gap:12px}
.pain-item{
  display:grid;grid-template-columns:64px 1fr 1fr;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.pain-item .idx{font-family:var(--font-mono);font-size:24px;font-weight:700;color:var(--border)}
.pain-item h3{font-size:17px;font-weight:700}
.pain-item .fix{font-size:14.5px;color:var(--muted);border-left:2px solid var(--lime);padding-left:14px}

/* ---------- 内容频道矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.matrix-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#D8CBB6}
.matrix-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.matrix-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.matrix-card:hover .thumb img{transform:scale(1.03)}
.matrix-card .no{
  position:absolute;top:12px;left:12px;background:var(--ink);color:var(--lime);
  font-family:var(--font-mono);font-size:12px;font-weight:700;padding:3px 9px;border-radius:var(--radius-pill);
}
.matrix-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.matrix-card h3{font-size:17.5px;font-weight:700;transition:color .2s ease}
.matrix-card:hover h3{color:var(--amber)}
.matrix-card p{font-size:14px;color:var(--muted)}
.matrix-card .more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--teal);display:inline-flex;align-items:center;gap:6px}
.matrix-card .more::after{content:"→"}
.matrix-card--lead{grid-column:span 2;grid-row:span 1}
.matrix-card--lead .thumb{aspect-ratio:16/8}
.matrix-card--lead h3{font-size:22px}
.matrix-card--lead p{font-size:15px}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-note{font-size:14px;color:var(--muted);margin-bottom:22px}
.compare-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-card)}
.compare-card.is-better{border-color:#D9EBA6;background:linear-gradient(180deg,#FDFFF4,#FFFFFF)}
.compare-card h3{font-size:17px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.compare-card .lead{font-size:14px;color:var(--muted);margin-bottom:20px}
.bar-row{margin-bottom:16px}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:6px}
.bar-row .bar-top b{font-family:var(--font-mono);font-weight:700}
.bar{height:10px;border-radius:var(--radius-pill);background:var(--paper);overflow:hidden;position:relative}
.bar i{display:block;height:100%;border-radius:var(--radius-pill)}
.bar .fill-old{background:#D8CDBB}
.bar .fill-new{background:var(--lime)}
.bar .dot-mark{position:absolute;top:-3px;width:8px;height:16px;border-radius:4px;background:var(--amber);transform:translateX(-50%)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-top:26px}
.timeline::before{content:"";position:absolute;top:33px;left:6%;right:6%;height:2px;background:var(--border)}
.timeline-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.tl-node{position:relative;padding-top:34px}
.tl-node::before{
  content:"";position:absolute;top:0;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--card);border:3px solid var(--amber);
}
.tl-node::after{content:"";position:absolute;top:16px;left:7px;width:2px;height:18px;background:var(--border)}
.tl-node .when{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--amber-dark);margin-bottom:6px}
.tl-node h3{font-size:17px;font-weight:700;margin-bottom:6px}
.tl-node p{font-size:14px;color:var(--muted)}

/* ---------- 专题轨道 ---------- */
.track{display:flex;gap:18px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory}
.track::-webkit-scrollbar{height:8px}
.track::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}
.track-card{
  flex:0 0 246px;scroll-snap-align:start;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease;
}
.track-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.track-card .cover{position:relative;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:var(--paper)}
.track-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.track-card:hover .cover img{transform:scale(1.03)}
.track-card .seq{
  position:absolute;bottom:10px;right:10px;background:var(--lime);color:#2F3F04;
  font-family:var(--font-mono);font-size:12px;font-weight:700;padding:2px 9px;border-radius:var(--radius-pill);
}
.track-card h3{font-size:16.5px;font-weight:700;margin:14px 0 6px;transition:color .2s ease}
.track-card:hover h3{color:var(--amber)}
.track-card .meta{font-size:13px;color:var(--muted);font-family:var(--font-mono)}

/* ---------- 场景 ---------- */
.scene-list{display:grid;gap:16px}
.scene-item{
  display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow-card);transition:transform .2s ease;
}
.scene-item:nth-child(even){grid-template-columns:1fr 230px}
.scene-item:nth-child(even) .scene-img{order:2}
.scene-item:hover{transform:translateY(-2px)}
.scene-img{aspect-ratio:16/9;border-radius:var(--radius-sm);overflow:hidden;background:var(--paper)}
.scene-img img{width:100%;height:100%;object-fit:cover}
.scene-body h3{font-size:18px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.scene-body h3 .chip{background:var(--ink);color:var(--lime);font-family:var(--font-mono);font-size:12px;padding:2px 8px;border-radius:var(--radius-pill)}
.scene-body p{font-size:14.5px;color:var(--muted)}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:14px}
.review-card .quote{font-size:34px;line-height:1;color:var(--amber);font-weight:900}
.review-card p{font-size:15px;color:var(--text)}
.review-card .who{font-size:13.5px;color:var(--muted);border-top:1px dashed var(--border);padding-top:12px}

/* ---------- 资讯 ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;align-items:start}
.news-list{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:8px 24px;box-shadow:var(--shadow-card)}
.news-item{
  display:block;padding:20px 0;border-bottom:1px solid var(--border);position:relative;
  transition:padding-left .2s ease;
}
.news-item:last-child{border-bottom:0}
.news-item::before{
  content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%) scaleY(0);
  width:4px;height:26px;border-radius:3px;background:var(--amber);transition:transform .2s ease;
}
.news-item:hover{padding-left:8px}
.news-item:hover::before{transform:translateY(-50%) scaleY(1)}
.news-item .time{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.news-item h3{font-size:16.5px;font-weight:700;margin:6px 0}
.news-item:hover h3{color:var(--amber)}
.news-item p{font-size:14px;color:var(--muted);margin-bottom:8px}
.news-aside{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-card)}
.news-aside .tabs{margin-bottom:14px;border:0;background:transparent}
.news-aside .tabs-title>a{padding:7px 16px;font-size:14px;font-weight:700;color:var(--muted);border-radius:var(--radius-pill);background:var(--paper);margin-right:8px}
.news-aside .tabs-title>a:hover{background:var(--amber-soft);color:var(--amber-dark)}
.news-aside .tabs-title.is-active>a{background:var(--amber);color:#fff}
.news-aside li{padding:12px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.news-aside li:last-child{border-bottom:0}
.news-aside li span{display:block;font-family:var(--font-mono);font-size:12px;color:var(--muted);margin-top:4px}

/* ---------- 保障条 ---------- */
.guard{background:#FFFDF8;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.guard-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.guard-item{padding:6px 0}
.guard-item .ico{
  width:40px;height:40px;border-radius:12px;background:var(--amber-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.guard-item .ico svg{width:20px;height:20px;stroke:var(--amber-dark);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.guard-item h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.guard-item p{font-size:13.5px;color:var(--muted)}

/* ---------- 快速解答 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.qa-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease,border-color .2s ease;
}
.qa-card:hover{transform:translateY(-3px);border-color:#D9EBA6}
.qa-card h3{font-size:16px;font-weight:700}
.qa-card p{font-size:14px;color:var(--muted);flex:1}
.qa-card .arrow{font-size:13px;font-weight:700;color:var(--amber)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion.faq{border:0;background:transparent;display:grid;gap:8px}
.accordion.faq .accordion-item{
  border:1px solid var(--border);border-radius:var(--radius);background:var(--card);
  border-left:3px solid transparent;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  box-shadow:var(--shadow-card);
}
.accordion.faq .accordion-item.is-active{border-left-color:var(--amber);box-shadow:var(--shadow-lift)}
.accordion.faq .accordion-title{
  padding:18px 54px 18px 22px;font-size:16.5px;font-weight:700;color:var(--text);
  border:0;position:relative;background:transparent;transition:color .2s ease;
}
.accordion.faq .accordion-title:hover{color:var(--amber)}
.accordion.faq .accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;background:var(--amber);
  transform:translateY(-50%);transition:transform .2s ease;
}
.accordion.faq .accordion-title::after{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;background:var(--amber);
  transform:translateY(-50%);transition:transform .2s ease;
}
.accordion.faq .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(90deg)}
.accordion.faq .accordion-content{padding:0 22px 20px;color:var(--muted);font-size:15.5px;line-height:1.8;border:0}
.accordion.faq .accordion-content p{margin:0}

/* ---------- 套餐对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.plan-card.is-featured{border:2px solid var(--amber);background:linear-gradient(180deg,#FFF7F1,#FFFFFF);position:relative}
.plan-card.is-featured::before{
  content:"推荐";position:absolute;top:-13px;left:26px;background:var(--amber);color:#fff;
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:var(--radius-pill);
}
.plan-card h3{font-size:19px;font-weight:800}
.plan-card .price{font-family:var(--font-mono);font-size:30px;font-weight:700;color:var(--ink)}
.plan-card .price small{font-family:var(--font-sans);font-size:13px;color:var(--muted);font-weight:500;margin-left:4px}
.plan-card ul{display:grid;gap:10px;font-size:14.5px;color:var(--muted)}
.plan-card ul li{position:relative;padding-left:20px}
.plan-card ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--lime)}
.plan-card .btn{margin-top:auto}

/* ---------- 分类入口墙 ---------- */
.entry-wall{
  background:var(--ink);color:var(--inverse);border-radius:var(--radius);
  padding:34px;display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.entry-wall::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,240,74,.22),transparent 68%);
}
.entry-wall h2{font-size:26px;font-weight:800;color:var(--inverse);margin-bottom:12px}
.entry-wall p{font-size:14.5px;color:rgba(246,241,232,.74)}
.entry-link{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:rgba(246,241,232,.07);border:1px solid rgba(246,241,232,.18);
  border-radius:var(--radius);padding:20px 22px;transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.entry-link:hover{background:rgba(246,241,232,.13);border-color:var(--lime);transform:translateY(-2px)}
.entry-link .txt b{display:block;font-size:17px;font-weight:800;color:var(--inverse)}
.entry-link .txt span{font-size:13px;color:rgba(246,241,232,.66)}
.entry-link .go{
  font-size:13px;font-weight:700;color:#2F3F04;background:var(--lime);
  padding:7px 14px;border-radius:var(--radius-pill);white-space:nowrap;
}

/* ---------- 表单 ---------- */
.form-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:30px;align-items:start}
.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-card)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 14px;background:#FFFDF9;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(200,240,74,.55);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);box-shadow:0 0 0 3px rgba(192,57,43,.12)}
.field .err{display:none;color:var(--danger);font-size:13px;margin-top:6px}
.field.has-error .err{display:block}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-ok{
  display:none;background:var(--lime-soft);border:1px solid #D6E9A0;color:#3F5A05;
  border-radius:var(--radius-sm);padding:14px 16px;font-size:14.5px;margin-bottom:18px;
}
.form-ok.show{display:block}
.btn.is-loading{pointer-events:none;opacity:.85}
.btn.is-loading .dots{display:inline-flex;gap:4px}
.btn.is-loading .dots i{width:4px;height:4px;border-radius:50%;background:#fff;animation:bounce .9s infinite}
.btn.is-loading .dots i:nth-child(2){animation-delay:.15s}
.btn.is-loading .dots i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-4px);opacity:1}}
.form-side{display:grid;gap:16px}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:17px;font-weight:800;margin-bottom:14px}
.side-card ul{display:grid;gap:11px;font-size:14.5px;color:var(--muted)}
.side-card ul li{position:relative;padding-left:22px}
.side-card ul li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:3px;background:var(--amber-soft);
  border:1px solid var(--amber);
}
.side-card .sched{font-family:var(--font-mono);font-size:15px;color:var(--teal);font-weight:700}

/* ---------- 订阅条 ---------- */
.subscribe{background:var(--ink);color:var(--inverse);padding:56px 0;position:relative;overflow:hidden}
.subscribe::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--amber) 0 26px,var(--lime) 26px 34px,transparent 34px 60px);
  opacity:.85;
}
.subscribe-inner{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.subscribe h2{font-size:26px;font-weight:800;color:var(--inverse);margin-bottom:10px}
.subscribe p{font-size:14.5px;color:rgba(246,241,232,.72)}
.sub-form{display:flex;gap:10px;background:rgba(246,241,232,.08);border:1px solid rgba(246,241,232,.2);border-radius:var(--radius-pill);padding:6px}
.sub-form input{
  flex:1;background:transparent;border:0;height:44px;padding:0 18px;color:var(--inverse);min-width:0;
}
.sub-form input::placeholder{color:rgba(246,241,232,.5)}
.sub-form input:focus{outline:none}
.sub-form .btn{min-height:44px;padding:0 22px}
.sub-tip{font-size:12.5px;color:rgba(246,241,232,.5);margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,241,232,.72);padding:64px 0 28px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(246,241,232,.12)}
.footer-brand .brand{color:var(--inverse);margin-bottom:16px}
.footer-brand .brand-name{color:var(--inverse)}
.footer-brand p{font-size:14px;max-width:320px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--inverse);margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;font-size:13px;color:rgba(246,241,232,.5);
}
.footer-wave{display:flex;justify-content:center;padding:26px 0 6px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .metric-grid{grid-template-columns:repeat(3,1fr)}
  .guard-grid{grid-template-columns:repeat(3,1fr)}
  .qa-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .section{padding-top:64px;padding-bottom:64px}
  .hero{padding:66px 0 58px}
  .hero h1{font-size:38px}
  .nav-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:320px;background:var(--ink);
    flex-direction:column;align-items:stretch;gap:0;padding:84px 22px 30px;
    transform:translateX(102%);transition:transform .3s ease;z-index:90;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{
    height:44px;display:flex;align-items:center;color:var(--inverse);
    border-bottom:1px solid rgba(246,241,232,.12);border-radius:0;padding:0 8px;
  }
  .nav-links a::after,.nav-links a::before{display:none}
  .nav-links a.is-active{border-left:3px solid var(--amber);padding-left:14px}
  .nav-scrim{display:block;position:fixed;inset:0;background:rgba(23,18,14,.5);opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:85}
  .nav-scrim.open{opacity:1;visibility:visible}
  .status-badge{display:none}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .matrix-card--lead{grid-column:span 2}
  .compare{grid-template-columns:1fr}
  .timeline::before{display:none}
  .timeline-track{grid-template-columns:1fr;gap:14px}
  .tl-node{padding:18px 0 18px 22px;border-left:2px solid var(--border)}
  .tl-node::before{top:22px;left:-9px}
  .tl-node::after{display:none}
  .scene-item,.scene-item:nth-child(even){grid-template-columns:1fr}
  .scene-item:nth-child(even) .scene-img{order:0}
  .review-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .entry-wall{grid-template-columns:1fr;padding:26px}
  .form-layout{grid-template-columns:1fr}
  .subscribe-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:639px){
  body{font-size:16px}
  .section{padding-top:48px;padding-bottom:48px}
  .section-head h2{font-size:23px}
  .hero h1{font-size:29px}
  .hero-lead{font-size:15.5px}
  .hero-mini{grid-template-columns:repeat(2,1fr);gap:14px}
  .metrics-head h2{font-size:22px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .guard-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .matrix-card--lead{grid-column:span 1}
  .pain-item{grid-template-columns:1fr;gap:10px}
  .pain-item .idx{font-size:19px}
  .pain-item .fix{border-left:0;border-top:2px solid var(--lime);padding-left:0;padding-top:10px}
  .promo-text{display:none}
  .promo-inner{gap:10px}
  .track-card{flex:0 0 210px}
  .footer-top{grid-template-columns:1fr}
  .sub-form{flex-direction:column;border-radius:var(--radius)}
  .sub-form .btn{width:100%}
  .plan-card{padding:24px 20px}
}

/* roulang page: category1 */
:root{
 --amber:#F2601F;
 --amber-dark:#D34E13;
 --amber-soft:#FDE7DA;
 --lime:#C8F04A;
 --lime-soft:#EFFAC9;
 --teal:#0F5C55;
 --teal-soft:#E2F0EE;
 --ink:#17120E;
 --ink-2:#241C16;
 --paper:#F6F1E8;
 --card:#FFFFFF;
 --text:#1C1712;
 --muted:#6B6259;
 --inverse:#F6F1E8;
 --border:#E4DBCC;
 --danger:#C0392B;
 --radius:14px;
 --radius-sm:10px;
 --radius-pill:999px;
 --shadow-card:0 2px 0 rgba(23,18,14,.08), 0 10px 24px rgba(23,18,14,.06);
 --shadow-lift:0 3px 0 rgba(23,18,14,.10), 0 16px 34px rgba(23,18,14,.12);
 --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
 --font-mono:ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font-sans);
 font-size:16.5px;
 line-height:1.75;
 color:var(--text);
 background:var(--paper);
 letter-spacing:0;
}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.grid-container{max-width:1200px;padding-left:22px;padding-right:22px;margin:0 auto;width:100%}
.section{padding-top:88px;padding-bottom:88px}
.section--tight{padding-top:64px;padding-bottom:64px}
.section--card{background:#FFFDF8}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--muted)}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.6px;
 color:var(--amber);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--amber)}
/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80}
.promo-bar{
 background:var(--ink);color:var(--inverse);
 max-height:44px;overflow:hidden;
 transition:max-height .3s ease,opacity .3s ease;
}
.promo-inner{display:flex;align-items:center;gap:16px;min-height:40px;padding:2px 0;font-size:13px}
.promo-tag{
 background:var(--amber);color:#fff;font-weight:700;
 padding:3px 10px;border-radius:var(--radius-pill);font-size:12px;white-space:nowrap;
}
.promo-text{color:rgba(246,241,232,.82);flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.promo-count{font-family:var(--font-mono);color:var(--lime);white-space:nowrap;font-size:13px}
.promo-count b{font-weight:700}
.promo-close{
 background:transparent;border:0;color:rgba(246,241,232,.6);font-size:20px;line-height:1;
 cursor:pointer;padding:0 4px;border-radius:6px;
}
.promo-close:hover{color:var(--inverse);background:rgba(246,241,232,.12)}
.site-header.is-scrolled .promo-bar{max-height:0;opacity:0}
.main-nav{background:var(--card);border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header.is-scrolled .main-nav{box-shadow:0 3px 0 rgba(23,18,14,.08),0 12px 26px rgba(23,18,14,.10)}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-.4px;white-space:nowrap}
.brand-mark{
 width:36px;height:36px;border-radius:12px;background:var(--ink);
 display:flex;align-items:center;justify-content:center;position:relative;flex:0 0 auto;
}
.brand-mark::before{
 content:"";width:0;height:0;border-left:11px solid var(--amber);
 border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px;
}
.brand-name{color:var(--text)}
.brand-name em{font-style:normal;color:var(--amber)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{
 position:relative;padding:8px 12px;font-size:15px;font-weight:600;color:var(--muted);
 border-radius:var(--radius-sm);transition:color .2s ease;
}
.nav-links a::after{
 content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
 background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a::before{
 content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
 background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
 z-index:1;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::before{transform:scaleX(1)}
.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.status-badge{
 display:inline-flex;align-items:center;gap:7px;
 background:var(--lime-soft);color:#3F5A05;border:1px solid #D6E9A0;
 font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:var(--radius-pill);white-space:nowrap;
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;background:#6FA80E;box-shadow:0 0 0 3px rgba(111,168,14,.18)}
.nav-toggle{
 display:none;background:var(--ink);border:0;color:var(--inverse);
 width:42px;height:42px;border-radius:12px;cursor:pointer;font-size:18px;align-items:center;justify-content:center;
}
.nav-scrim{display:none}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 min-height:48px;padding:0 26px;border-radius:var(--radius-pill);
 font-size:15.5px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
 transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
 text-align:center;
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 2px 0 rgba(23,18,14,.18),0 8px 18px rgba(242,96,31,.28)}
.btn-primary:hover{background:var(--amber-dark);transform:translateY(-2px);box-shadow:0 4px 0 rgba(23,18,14,.20),0 14px 26px rgba(242,96,31,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--teal);border-color:var(--teal)}
.btn-ghost:hover{background:var(--teal-soft);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--inverse);box-shadow:0 2px 0 rgba(23,18,14,.18)}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
/* ---------- 标签 ---------- */
.pill{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:var(--radius-pill);
 font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.pill-lime{background:var(--lime);color:#2F3F04}
.pill-amber{background:var(--amber);color:#fff}
.pill-teal{background:var(--teal-soft);color:var(--teal);border:1px solid #CBE3DF}
.pill-amber-soft{background:var(--amber-soft);color:var(--amber-dark)}
.pill-outline{background:transparent;border:1px solid var(--border);color:var(--muted);font-weight:600}
.tag{
 display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
 background:var(--paper);border:1px solid var(--border);
 font-size:12px;font-weight:600;color:var(--muted);
}
.wave{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.wave i{display:block;width:4px;border-radius:3px;background:var(--amber)}
.wave i:nth-child(1){height:8px}
.wave i:nth-child(2){height:16px}
.wave i:nth-child(3){height:11px}
.wave i:nth-child(4){height:21px}
.wave i:nth-child(5){height:14px}
.wave i:nth-child(6){height:19px}
.wave i:nth-child(7){height:9px}
.wave--inverse i:nth-child(even){background:var(--lime)}
/* ---------- 分类头部 ---------- */
.cat-hero{
 background:linear-gradient(180deg,#FFFDF8 0%,var(--paper) 100%);
 border-bottom:1px solid var(--border);
 padding-top:52px;padding-bottom:0;
}
.cat-hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:end}
.cat-hero h1{font-size:48px;font-weight:900;letter-spacing:-.6px;line-height:1.15}
.cat-hero .lede{color:var(--muted);font-size:17px;margin-top:16px;max-width:640px}
.cat-hero-side{
 background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-card);padding:22px 24px;
}
.cat-hero-side .count-num{
 font-family:var(--font-mono);font-size:38px;font-weight:700;color:var(--amber);line-height:1.1;
}
.cat-hero-side .count-label{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.4px}
.cat-hero-side ul{margin-top:14px;border-top:1px dashed var(--border);padding-top:12px}
.cat-hero-side li{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:4px 0}
.cat-hero-side li b{color:var(--text);font-family:var(--font-mono);font-weight:700}
.toolbar{
 margin-top:34px;border-top:1px solid var(--border);
 display:flex;flex-wrap:wrap;gap:14px;align-items:center;
 padding:18px 0 22px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;flex:1}
.chip{
 display:inline-flex;align-items:center;
 padding:7px 15px;border-radius:var(--radius-pill);
 background:var(--card);border:1px solid var(--border);
 font-size:13.5px;font-weight:600;color:var(--muted);cursor:pointer;
 transition:all .18s ease;
}
.chip:hover{border-color:var(--amber);color:var(--amber-dark);transform:translateY(-1px)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--inverse)}
.chip.is-on:hover{color:var(--inverse)}
.sort-row{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);font-weight:600}
.sort-row select{
 min-height:40px;padding:0 34px 0 14px;border-radius:var(--radius-pill);
 border:1px solid var(--border);background:#fff;font-size:13.5px;font-weight:600;color:var(--text);
 appearance:none;
 background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
 background-position:calc(100% - 18px) 17px,calc(100% - 13px) 17px;
 background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.sort-row select:focus{outline:2px solid var(--lime);outline-offset:2px;border-color:var(--amber)}
/* ---------- 置顶精选 ---------- */
.feature-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:26px}
.card{
 background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#EFDCC7}
.card:hover .card-title{color:var(--amber)}
.card-media{position:relative;overflow:hidden;background:var(--ink)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media.is-square img{aspect-ratio:1/1}
.card-media .badge-corner{
 position:absolute;top:12px;left:12px;z-index:2;
}
.card-media .badge-duration{
 position:absolute;bottom:10px;right:10px;z-index:2;
 background:rgba(23,18,14,.78);color:var(--inverse);
 font-family:var(--font-mono);font-size:12px;font-weight:700;
 padding:3px 9px;border-radius:8px;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-tags{display:flex;flex-wrap:wrap;gap:6px}
.card-title{font-size:20px;font-weight:800;line-height:1.4;transition:color .2s ease}
.card-excerpt{color:var(--muted);font-size:14.5px;line-height:1.7;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
 margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);
 display:flex;justify-content:space-between;align-items:center;
 font-size:12.5px;color:var(--muted);font-family:var(--font-mono);
}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:26px}
.feature-side .card{flex-direction:row}
.feature-side .card-media{flex:0 0 42%;min-width:0}
.feature-side .card-media img{height:100%;aspect-ratio:auto;object-fit:cover}
.feature-side .card-title{font-size:17px}
.feature-side .card-body{padding:16px 18px}
.feature-main .card-media img{aspect-ratio:16/9}
.feature-main .card-title{font-size:25px}
.feature-main .card-body{padding:24px 26px 26px}
/* ---------- 列表网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card-grid .card-title{font-size:18px}
.more-row{margin-top:40px;text-align:center}
/* ---------- 指标看板 ---------- */
.stat-strip{
 background:#FFFDF8;border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-card);
 display:grid;grid-template-columns:repeat(4,1fr);
 overflow:hidden;
}
.stat-cell{padding:26px 24px;border-right:1px solid var(--border)}
.stat-cell:last-child{border-right:0}
.stat-cell .stat-name{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.4px;margin-bottom:10px}
.stat-cell .stat-num{
 font-family:var(--font-mono);font-size:32px;font-weight:700;color:var(--text);line-height:1.1;
}
.stat-cell .stat-num small{font-size:14px;color:var(--muted);margin-left:4px;font-weight:600}
.stat-cell .stat-bar{height:6px;border-radius:4px;background:#EFE7DA;margin-top:12px;overflow:hidden}
.stat-cell .stat-bar i{display:block;height:100%;border-radius:4px;background:var(--lime)}
.stat-cell .stat-bar.is-amber i{background:var(--amber)}
.stat-cell .stat-tip{font-size:12.5px;color:var(--muted);margin-top:9px}
/* ---------- 频道入口 ---------- */
.channel-row{
 display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
 background:var(--ink);color:var(--inverse);
 border-radius:var(--radius);padding:32px 34px;
 position:relative;overflow:hidden;
}
.channel-row::after{
 content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
 border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(242,96,31,.34),transparent 68%);
}
.channel-row h3{font-size:23px;margin-bottom:8px}
.channel-row p{color:rgba(246,241,232,.76);font-size:14.5px;max-width:620px}
.channel-link{
 display:inline-flex;align-items:center;gap:10px;
 background:rgba(246,241,232,.08);border:1px solid rgba(246,241,232,.28);
 color:var(--inverse);border-radius:var(--radius-pill);
 padding:12px 22px;font-weight:700;font-size:14.5px;
 transition:all .2s ease;white-space:nowrap;position:relative;z-index:2;
}
.channel-link:hover{background:var(--amber);border-color:var(--amber);transform:translateY(-2px)}
.channel-link:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
/* ---------- FAQ ---------- */
.faq-acc{border:0;background:transparent;max-width:none}
.faq-acc .accordion-item{
 border:1px solid var(--border);border-radius:var(--radius);
 background:var(--card);box-shadow:var(--shadow-card);margin-bottom:10px;overflow:hidden;
}
.faq-acc .accordion-title{
 position:relative;border:0;background:transparent;
 padding:18px 56px 18px 22px;font-size:16.5px;font-weight:700;color:var(--text);
 transition:color .2s ease;
}
.faq-acc .accordion-title:hover{color:var(--amber)}
.faq-acc .accordion-title::before{
 content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
 background:var(--amber);border-radius:0 3px 3px 0;
 transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-acc .accordion-item.is-active .accordion-title::before{transform:scaleY(1)}
.faq-acc .accordion-title::after{
 content:"";position:absolute;right:22px;top:26px;width:14px;height:2px;background:var(--amber);border-radius:2px;
}
.faq-acc .accordion-item:not(.is-active) .accordion-title .plus-v{opacity:1}
.faq-acc .accordion-title .plus-v{
 position:absolute;right:27px;top:20px;width:2px;height:14px;background:var(--amber);border-radius:2px;
 transition:opacity .2s ease;
}
.faq-acc .accordion-item.is-active .accordion-title .plus-v{opacity:0}
.faq-acc .accordion-content{
 border:0;border-top:1px dashed var(--border);background:transparent;
 padding:16px 22px 20px 22px;color:var(--muted);font-size:15.5px;line-height:1.8;
}
/* ---------- 相关文章 ---------- */
.article-list{border-top:1px solid var(--border)}
.article-row{
 display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;
 padding:20px 4px;border-bottom:1px solid var(--border);position:relative;
 transition:background .2s ease,padding-left .2s ease;
}
.article-row::before{
 content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
 width:4px;height:34px;border-radius:3px;background:var(--amber);
 transition:transform .2s ease;
}
.article-row:hover{background:#FFFDF8;padding-left:16px}
.article-row:hover::before{transform:translateY(-50%) scaleY(1)}
.article-row:hover .article-title{color:var(--amber)}
.article-date{font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.article-title{font-size:17.5px;font-weight:700;transition:color .2s ease}
.article-desc{font-size:14px;color:var(--muted);margin-top:4px;
 display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.article-arrow{font-size:18px;color:var(--amber);font-weight:700}
/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{padding:0 18px;position:relative}
.step::after{
 content:"";position:absolute;left:50%;top:22px;width:100%;height:2px;
 background:repeating-linear-gradient(90deg,var(--border) 0 8px,transparent 8px 16px);
 z-index:0;
}
.step:last-child::after{display:none}
.step-num{
 position:relative;z-index:1;width:46px;height:46px;border-radius:50%;
 background:var(--card);border:2px solid var(--amber);color:var(--amber);
 display:flex;align-items:center;justify-content:center;
 font-family:var(--font-mono);font-size:17px;font-weight:700;
 margin:0 auto 16px;
}
.step h3{font-size:17px;text-align:center;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);text-align:center;line-height:1.7}
/* ---------- 转化条 ---------- */
.cta-band{
 background:var(--ink);color:var(--inverse);border-radius:var(--radius);
 padding:38px 40px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
 position:relative;overflow:hidden;
}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(246,241,232,.76);font-size:15px;max-width:640px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band::before{
 content:"";position:absolute;left:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle at 40% 40%,rgba(200,240,74,.22),transparent 70%);
}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--inverse);margin-top:0;padding-top:72px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand .brand-name{color:var(--inverse)}
.footer-brand p{color:rgba(246,241,232,.7);font-size:14px;margin-top:16px;line-height:1.8;max-width:340px}
.footer-col h3{font-size:15px;color:var(--inverse);margin-bottom:16px;letter-spacing:.3px}
.footer-col li{font-size:14px;color:rgba(246,241,232,.7);padding:5px 0}
.footer-col a{color:rgba(246,241,232,.7);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-wave{padding:34px 0 22px;border-bottom:1px solid rgba(246,241,232,.14)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
 padding:22px 0 40px;font-size:12.5px;color:rgba(246,241,232,.55);
}
/* ---------- 响应式 ---------- */
@media (max-width:1023px){
 .nav-toggle{display:inline-flex}
 .nav-links{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--ink);
  flex-direction:column;align-items:stretch;gap:0;padding:78px 0 24px;
  transform:translateX(-100%);transition:transform .26s ease;z-index:90;
 }
 body.nav-open .nav-links{transform:none}
 .nav-links a{color:rgba(246,241,232,.82);display:block;height:44px;line-height:44px;padding:0 22px;border-radius:0;font-size:16px}
 .nav-links a::after,.nav-links a::before{display:none}
 .nav-links a:hover{color:var(--inverse);background:rgba(246,241,232,.06)}
 .nav-links a.is-active{color:var(--inverse);box-shadow:inset 3px 0 0 var(--amber)}
 .nav-scrim{
  display:block;position:fixed;inset:0;background:rgba(23,18,14,.55);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:85;
 }
 body.nav-open .nav-scrim{opacity:1;pointer-events:auto}
 body.nav-open{overflow:hidden}
 .cat-hero-grid{grid-template-columns:1fr;gap:26px;align-items:start}
 .cat-hero h1{font-size:38px}
 .feature-grid{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .stat-cell:nth-child(2){border-right:0}
 .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--border)}
 .steps{grid-template-columns:repeat(2,1fr);gap:30px}
 .step::after{display:none}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}
 .cta-band{grid-template-columns:1fr;padding:30px 26px}
 .section{padding-top:64px;padding-bottom:64px}
 .section-head h2{font-size:28px}
}
@media (max-width:900px){
 .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:639px){
 .grid-container{padding-left:16px;padding-right:16px}
 .promo-text{display:none}
 .nav-inner{gap:12px;min-height:62px}
 .brand{font-size:19px}
 .status-badge{display:none}
 .cat-hero h1{font-size:29px}
 .cat-hero .lede{font-size:15.5px}
 .cat-hero-side .count-num{font-size:30px}
 .feature-side{grid-template-rows:auto auto}
 .feature-side .card{flex-direction:column}
 .feature-side .card-media{flex:none}
 .feature-side .card-media img{aspect-ratio:16/9;height:auto}
 .card-grid{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:1fr}
 .stat-cell{border-right:0;border-bottom:1px solid var(--border)}
 .stat-cell:last-child{border-bottom:0}
 .steps{grid-template-columns:1fr;gap:24px}
 .article-row{grid-template-columns:1fr;gap:8px}
 .article-arrow{display:none}
 .channel-row{grid-template-columns:1fr;padding:26px 22px}
 .section{padding-top:48px;padding-bottom:48px}
 .section-head h2{font-size:23px}
 .footer-top{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column}
 .btn{width:100%}
 .cta-band .cta-actions{width:100%}
}