/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#252c56;
  --ink-3:#333b6d;
  --gold:#ffb400;
  --gold-soft:#ffd166;
  --gold-deep:#e29a00;
  --bg:#f4f5fa;
  --bg-alt:#eaedf7;
  --surface:#ffffff;
  --text:#1b2036;
  --muted:#69709a;
  --line:#e3e6f3;
  --radius:12px;
  --radius-lg:18px;
  --radius-xl:26px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 10px 28px rgba(26,31,61,.10);
  --shadow-lg:0 22px 52px rgba(26,31,61,.18);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input{font:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(26,31,61,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,180,0,.16);
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 20px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffd166,#ffb400 55%,#e29a00);
  color:#1a1f3d;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px rgba(255,180,0,.36);
}
.brand-text{font-size:19px;letter-spacing:.6px;line-height:1.1}
.brand-sub{display:block;font-size:10.5px;color:rgba(255,255,255,.45);font-weight:400;letter-spacing:2.4px;margin-top:3px}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  width:46px;height:46px;border-radius:11px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.menu-toggle:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.menu-toggle:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.menu-toggle .bar{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.menu-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-active .bar:nth-child(2){opacity:0}
.menu-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 抽屉导航 ============ */
.nav-drawer{position:fixed;inset:0;z-index:95;pointer-events:none}
.nav-drawer::before{
  content:"";position:absolute;inset:0;background:rgba(10,13,28,.66);
  opacity:0;transition:opacity .32s ease;backdrop-filter:blur(3px);
}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(430px,88vw);
  background:linear-gradient(170deg,#1a1f3d 0%,#161a33 58%,#10142a 100%);
  border-left:1px solid rgba(255,180,0,.28);
  transform:translateX(102%);
  transition:transform .36s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  padding:26px 24px 32px;overflow-y:auto;
  box-shadow:-24px 0 64px rgba(0,0,0,.55);
}
.nav-drawer.is-open{pointer-events:auto}
.nav-drawer.is-open::before{opacity:1}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-label{font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.45);font-weight:600}
.drawer-close{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.16);transition:.2s;
}
.drawer-close:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.drawer-close:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 17px;border-radius:13px;
  color:rgba(255,255,255,.84);font-size:16px;font-weight:500;
  border:1px solid transparent;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.075);color:#fff;border-color:rgba(255,255,255,.14);transform:translateX(-3px)}
.drawer-nav a.active{
  background:linear-gradient(120deg,rgba(255,180,0,.24),rgba(255,180,0,.05));
  color:#ffd166;border-color:rgba(255,180,0,.42);
}
.nav-idx{font-size:12px;letter-spacing:1.6px;color:rgba(255,255,255,.32);font-weight:600}
.drawer-nav a.active .nav-idx{color:rgba(255,209,102,.7)}
.drawer-foot{margin-top:auto;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);margin-top:30px}
.drawer-foot p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.85}
.drawer-foot strong{color:var(--gold-soft);font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:15px;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.62);outline-offset:3px}
.btn-gold{
  background:linear-gradient(135deg,#ffd166,#ffb400 52%,#e29a00);
  color:#231a00;box-shadow:0 8px 24px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,180,0,.46)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,180,0,.6)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:66px 0 76px;
  background:
    radial-gradient(880px 400px at 8% -4%,rgba(255,180,0,.20),transparent 62%),
    radial-gradient(720px 420px at 92% 8%,rgba(96,126,255,.26),transparent 60%),
    linear-gradient(165deg,#1a1f3d 0%,#1d2447 52%,#161a33 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:
    linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(700px 380px at 50% 26%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(700px 380px at 50% 26%,#000,transparent 76%);
}
.hero-inner{position:relative;z-index:2;max-width:920px}
.hero-status{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:9px 18px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.4px;margin-bottom:24px;
}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.2)}
.hero-status .sep{width:1px;height:12px;background:rgba(255,255,255,.24)}
.hero-title{
  font-size:clamp(27px,4.6vw,46px);
  line-height:1.28;font-weight:800;letter-spacing:.5px;margin-bottom:20px;
  text-shadow:0 6px 26px rgba(0,0,0,.28);
}
.hero-title em{font-style:normal;color:var(--gold-soft)}
.hero-lead{
  font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.82);
  max-width:760px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-matrix{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;
}
.mx-item{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:16px 10px;text-align:center;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.mx-item:hover{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.5);transform:translateY(-3px)}
.mx-icon{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;margin:0 auto 10px;
  background:linear-gradient(135deg,rgba(255,209,102,.9),rgba(255,180,0,.72));
  color:#231a00;font-weight:800;font-size:16px;
}
.mx-label{font-size:13px;color:rgba(255,255,255,.85);letter-spacing:.3px}

/* ============ 通用板块 ============ */
.section{padding:66px 0;scroll-margin-top:84px}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-dark{
  background:
    radial-gradient(760px 340px at 88% 0%,rgba(255,180,0,.16),transparent 62%),
    linear-gradient(160deg,#1a1f3d,#161a33);
  color:#fff;
}
.section-head{max-width:740px;margin-bottom:34px}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--gold-deep);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.section-dark .eyebrow{color:var(--gold-soft)}
.section-title{
  font-size:clamp(21px,3vw,30px);line-height:1.38;font-weight:800;
  color:var(--ink);letter-spacing:.4px;margin-bottom:14px;
}
.section-dark .section-title{color:#fff}
.section-desc{font-size:15.5px;line-height:1.9;color:var(--muted)}
.section-dark .section-desc{color:rgba(255,255,255,.74)}

/* ============ 网格 ============ */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}

/* 搜索 / 入口 */
.search-bar{
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:14px 16px;box-shadow:var(--shadow-sm);
}
.search-field{flex:1 1 260px;display:flex;align-items:center;gap:10px;min-width:0}
.search-field svg{flex:none;color:var(--muted)}
.search-field input{
  flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--text);padding:8px 2px;
}
.search-field input::placeholder{color:#9aa1c4}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:.22s;
}
.chip:hover{border-color:var(--gold);color:var(--ink);box-shadow:0 6px 16px rgba(255,180,0,.18);transform:translateY(-2px)}
.chip:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:2px}

/* 卖点三连 */
.sell-card{padding:28px 24px;display:flex;flex-direction:column;gap:12px}
.sell-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,209,102,.28),rgba(255,180,0,.12));
  color:var(--gold-deep);font-weight:800;font-size:19px;
  border:1px solid rgba(255,180,0,.3);
}
.sell-card h3{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.3px}
.sell-card p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* 分类矩阵 */
.cat-card{display:flex;flex-direction:column;padding:28px 24px;position:relative}
.cat-card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));
}
.cat-card h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:10px}
.cat-card p{font-size:14.5px;color:var(--muted);line-height:1.85;margin-bottom:20px}
.cat-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--gold-deep);
}
.cat-card:hover .cat-more{color:#b97c00}
.cat-tagline{
  font-size:12px;letter-spacing:2px;color:var(--muted);font-weight:600;margin-bottom:10px;
}

/* 数据指标 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.12);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
}
.stat-item{background:rgba(255,255,255,.05);padding:28px 20px;text-align:center}
.stat-num{
  font-size:clamp(26px,3.4vw,36px);font-weight:800;line-height:1.15;
  background:linear-gradient(135deg,#ffd166,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:.5px;
}
.stat-num span{font-size:16px;margin-left:2px}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:8px;letter-spacing:.5px}

/* 精选清单 */
.pick-list{display:flex;flex-direction:column;gap:14px}
.pick-item{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pick-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.pick-num{
  flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#231a00;
  background:linear-gradient(135deg,#ffd166,#ffb400);
  box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.pick-body{flex:1 1 auto;min-width:0}
.pick-body h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:5px;line-height:1.5}
.pick-body p{font-size:14px;color:var(--muted);line-height:1.75}
.pick-link{
  flex:none;font-size:13.5px;font-weight:700;color:var(--gold-deep);
  padding:9px 16px;border-radius:999px;border:1px solid rgba(255,180,0,.4);
  transition:.22s;
}
.pick-link:hover{background:var(--gold);color:#231a00;border-color:var(--gold)}

/* CMS 文章卡片 */
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.5px;
  padding:4px 12px;border-radius:999px;color:var(--gold-deep);
  background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.3);
}
.post-date{font-size:12.5px;color:var(--muted)}
.post-title{
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-desc{
  font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{
  margin-top:auto;font-size:13.5px;font-weight:700;color:var(--ink-2);
  display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;
}
.post-card:hover .post-more{color:var(--gold-deep);gap:11px}
.empty-note{
  font-size:15px;color:var(--muted);padding:34px 26px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
}

/* 排行榜 */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-row{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rank-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.rank-no{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#fff;background:var(--ink-3);
}
.rank-row:nth-child(1) .rank-no{background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00}
.rank-row:nth-child(2) .rank-no{background:linear-gradient(135deg,#c8d0e8,#98a3c4);color:#232a52}
.rank-row:nth-child(3) .rank-no{background:linear-gradient(135deg,#e2b98d,#c48c50);color:#2a1d0c}
.rank-body{flex:1 1 auto;min-width:0}
.rank-body h3{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5}
.rank-body span{font-size:13px;color:var(--muted)}
.rank-heat{
  flex:none;width:104px;height:7px;border-radius:999px;background:var(--bg-alt);overflow:hidden;
}
.rank-heat i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffd166,#ffb400)}

/* 三步 */
.step-card{padding:26px 24px;position:relative}
.step-no{
  font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold-deep);margin-bottom:14px;
}
.step-card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* 牌局截面 */
.split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:center;
}
.split-media{
  border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.16);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-body h2{margin-bottom:14px}
.split-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.split-list li{
  display:flex;gap:14px;padding:16px 18px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
}
.split-list .sl-no{
  flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12.5px;font-weight:800;color:#231a00;background:linear-gradient(135deg,#ffd166,#ffb400);
}
.split-list h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:4px}
.split-list p{font-size:13.8px;color:rgba(255,255,255,.72);line-height:1.8}

/* 评价 */
.review-card{padding:26px 24px;display:flex;flex-direction:column;gap:16px}
.review-quote{font-size:14.6px;color:var(--text);line-height:1.9}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.review-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#231a00;
  background:linear-gradient(135deg,#ffd166,#ffb400);
}
.review-name{font-size:14px;font-weight:700;color:var(--ink)}
.review-role{font-size:12.5px;color:var(--muted)}

/* 对比 */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);
}
.compare-col.is-good{border-color:rgba(255,180,0,.5);box-shadow:0 12px 32px rgba(255,180,0,.14)}
.compare-col h3{font-size:17.5px;font-weight:800;margin-bottom:18px;color:var(--ink)}
.compare-col.is-good h3{color:var(--gold-deep)}
.compare-col li{
  display:flex;gap:11px;font-size:14.5px;color:var(--muted);line-height:1.8;padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.compare-col li:last-child{border-bottom:0}
.compare-col li::before{
  content:"";flex:none;width:7px;height:7px;border-radius:50%;margin-top:9px;background:#b9bfd8;
}
.compare-col.is-good li::before{background:var(--gold)}

/* 资源中心 */
.res-card{display:flex;flex-direction:column}
.res-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10}
.res-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.res-card:hover .thumb img{transform:scale(1.06)}
.res-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,31,61,0) 40%,rgba(26,31,61,.55));
}
.res-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:9px}
.res-body h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.res-body p{font-size:13.8px;color:var(--muted);line-height:1.8}
.res-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:11.5px;font-weight:700;letter-spacing:1px;padding:4px 11px;border-radius:999px;
  background:rgba(255,180,0,.92);color:#231a00;
}

/* 深度专题列表 */
.feed{display:flex;flex-direction:column;gap:14px}
.feed-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feed-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.feed-body{flex:1 1 auto;min-width:0}
.feed-body h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;margin-bottom:8px}
.feed-body p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-arrow{
  flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);transition:.22s;
}
.feed-item:hover .feed-arrow{background:var(--gold);border-color:var(--gold);color:#231a00}

/* 收藏入口横幅 */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:52px 44px;color:#fff;
  background-image:linear-gradient(115deg,rgba(26,31,61,.94),rgba(26,31,61,.74)),url('/assets/images/backpic/back-4.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-lg);
}
.cta-banner h2{font-size:clamp(20px,2.8vw,28px);font-weight:800;line-height:1.4;margin-bottom:14px}
.cta-banner p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.9;max-width:600px;margin-bottom:26px}
.cta-banner .btn{position:relative;z-index:2}

/* 保障条 */
.guard-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
}
.guard-item{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-sm);
}
.guard-dot{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);
  color:var(--gold-deep);font-weight:800;font-size:15px;
}
.guard-item span{font-size:14px;font-weight:600;color:var(--ink-2)}

/* 页脚 */
.site-footer{
  background:linear-gradient(170deg,#1a1f3d,#141830 70%,#0f1226);
  color:rgba(255,255,255,.72);padding:60px 0 40px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:18px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:380px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:1px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:.2s}
.footer-col a:hover{color:var(--gold-soft)}
.footer-note{
  padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-note a{color:rgba(255,255,255,.6)}
.footer-note a:hover{color:var(--gold-soft)}

/* 底部固定转化条 */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:linear-gradient(90deg,rgba(26,31,61,.98),rgba(37,44,86,.98));
  border-top:1px solid rgba(255,180,0,.38);
  backdrop-filter:blur(12px);
  padding:11px 0;
  transform:translateY(0);
  transition:transform .3s ease;
}
.sticky-inner{
  max-width:var(--max);margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-text{font-size:14px;color:rgba(255,255,255,.86);display:flex;align-items:center;gap:10px}
.sticky-text .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
body{padding-bottom:72px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-matrix{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guard-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-about{max-width:none}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero{padding:52px 0 58px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .cta-banner{padding:38px 26px}
  .hero-lead{font-size:15.5px}
  .rank-heat{width:70px}
  .brand-sub{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sticky-text{font-size:13px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .header-inner{height:62px;padding:0 16px}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .brand-text{font-size:17px}
  .hero-matrix{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .hero-status{font-size:12px;gap:8px;padding:8px 14px}
  .hero-actions .btn{flex:1 1 100%}
  .grid-3,.grid-4,.guard-strip,.stat-strip{grid-template-columns:1fr}
  .pick-item{flex-wrap:wrap;gap:14px}
  .pick-link{margin-left:64px}
  .rank-row{flex-wrap:wrap;gap:10px}
  .rank-heat{width:100%;margin-left:50px}
  .feed-item{gap:12px;padding:18px}
  .search-bar{padding:12px 14px}
  .search-field input{font-size:14px}
  .drawer-panel{padding:22px 18px 28px}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:9px}
  .sticky-inner .btn{width:100%}
  body{padding-bottom:104px}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c56;
 --ink-3:#333b6d;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e29a00;
 --bg:#f4f5fa;
 --bg-alt:#eaedf7;
 --surface:#ffffff;
 --text:#1b2036;
 --muted:#69709a;
 --line:#e3e6f3;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 22px 52px rgba(26,31,61,.18);
 --max:1180px;
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(26,31,61,.96);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,180,0,.16);
}
.header-inner{
 max-width:var(--max);margin:0 auto;padding:0 20px;
 height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffd166,#ffb400 55%,#e29a00);
 color:#1a1f3d;font-weight:800;font-size:19px;
 box-shadow:0 6px 18px rgba(255,180,0,.36);
}
.brand-text{font-size:19px;letter-spacing:.6px;line-height:1.1;display:block}
.brand-sub{display:block;font-size:10.5px;color:rgba(255,255,255,.45);font-weight:400;letter-spacing:2.4px;margin-top:3px}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
 width:46px;height:46px;border-radius:11px;
 display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.menu-toggle:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.menu-toggle:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.menu-toggle .bar{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.menu-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-active .bar:nth-child(2){opacity:0}
.menu-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 抽屉导航 ============ */
.nav-drawer{position:fixed;inset:0;z-index:95;pointer-events:none}
.nav-drawer::before{
 content:"";position:absolute;inset:0;background:rgba(10,13,28,.66);
 opacity:0;transition:opacity .32s ease;backdrop-filter:blur(3px);
}
.drawer-panel{
 position:absolute;top:0;right:0;height:100%;width:min(430px,88vw);
 background:linear-gradient(170deg,#1a1f3d 0%,#161a33 58%,#10142a 100%);
 border-left:1px solid rgba(255,180,0,.28);
 transform:translateX(102%);
 transition:transform .36s cubic-bezier(.4,0,.2,1);
 display:flex;flex-direction:column;
 padding:26px 24px 32px;overflow-y:auto;
 box-shadow:-24px 0 64px rgba(0,0,0,.55);
}
.nav-drawer.is-open{pointer-events:auto}
.nav-drawer.is-open::before{opacity:1}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-label{font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.45);font-weight:600}
.drawer-close{
 width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
 color:#fff;border:1px solid rgba(255,255,255,.16);transition:.2s;font-size:20px;line-height:1;
}
.drawer-close:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.drawer-close:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:15px 17px;border-radius:13px;
 color:rgba(255,255,255,.84);font-size:16px;font-weight:500;
 border:1px solid transparent;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.075);color:#fff;border-color:rgba(255,255,255,.14);transform:translateX(-3px)}
.drawer-nav a:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.drawer-nav a.active{
 background:linear-gradient(120deg,rgba(255,180,0,.24),rgba(255,180,0,.05));
 color:#ffd166;border-color:rgba(255,180,0,.42);
}
.nav-idx{font-size:12px;letter-spacing:1.6px;color:rgba(255,255,255,.32);font-weight:600}
.drawer-nav a.active .nav-idx{color:rgba(255,209,102,.7)}
.drawer-foot{margin-top:auto;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);margin-top:30px}
.drawer-foot p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.85;margin:0}
.drawer-foot strong{color:var(--gold-soft);font-weight:600}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 24px;border-radius:999px;
 font-weight:600;font-size:15px;border:1px solid transparent;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.62);outline-offset:3px}
.btn-gold{
 background:linear-gradient(135deg,#ffd166,#ffb400 52%,#e29a00);
 color:#231a00;box-shadow:0 8px 24px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,180,0,.46)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,180,0,.6)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ 文章首屏 ============ */
.article-hero{
 position:relative;overflow:hidden;color:#fff;
 padding:54px 0 62px;
 background:
  radial-gradient(880px 400px at 8% -4%,rgba(255,180,0,.20),transparent 62%),
  radial-gradient(720px 420px at 92% 8%,rgba(96,126,255,.26),transparent 60%),
  linear-gradient(165deg,#1a1f3d 0%,#1d2447 52%,#161a33 100%);
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
 opacity:.16;mix-blend-mode:screen;
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.8);transition:color .2s}
.crumbs a:hover{color:var(--gold-soft)}
.crumbs span.sep{color:rgba(255,255,255,.3)}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:rgba(255,180,0,.16);color:var(--gold-soft);
 border:1px solid rgba(255,180,0,.38);letter-spacing:.4px;
}
.article-hero h1{
 font-size:clamp(26px,3.6vw,42px);line-height:1.32;letter-spacing:-.4px;
 margin:16px 0 18px;font-weight:800;color:#fff;max-width:900px;
}
.hero-lead{font-size:16px;color:rgba(255,255,255,.72);max-width:760px;margin:0 0 24px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13.5px;color:rgba(255,255,255,.62)}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:rgba(255,180,0,.7);display:inline-block;margin-right:8px;vertical-align:middle}
.meta-item{display:inline-flex;align-items:center}

/* ============ 阅读布局 ============ */
.reading{background:var(--bg);padding:44px 0 64px}
.reading-grid{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:32px;align-items:start}
.article-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.article-cover{position:relative;aspect-ratio:16/8;overflow:hidden}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(26,31,61,0) 40%,rgba(26,31,61,.32) 100%);
}
.article-inner{padding:34px 38px 40px;max-width:760px;margin:0 auto}
.article-body{font-size:16.5px;line-height:1.95;color:#232a44;max-width:720px;margin:0 auto}
.article-body>*:first-child{margin-top:0}
.article-body h2{
 font-size:23px;line-height:1.5;margin:38px 0 14px;font-weight:800;color:var(--ink);
 padding-left:14px;border-left:4px solid var(--gold);letter-spacing:-.2px;
}
.article-body h3{font-size:18.5px;margin:28px 0 10px;font-weight:700;color:var(--ink-2)}
.article-body h4{font-size:16.5px;margin:22px 0 8px;font-weight:700;color:var(--ink-3)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin:7px 0}
.article-body li::marker{color:var(--gold-deep)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:#2b56c9;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--gold-deep)}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;border-radius:var(--radius);
 background:linear-gradient(120deg,rgba(255,180,0,.10),rgba(255,180,0,.03));
 border-left:4px solid var(--gold);color:#3a4160;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:20px auto;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;border-radius:var(--radius);overflow:hidden}
.article-body th{background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:11px 14px}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);background:#fff}
.article-body tr:nth-child(even) td{background:#fafbff}
.article-body hr{border:0;height:1px;background:var(--line);margin:30px 0}
.article-body code{background:var(--bg-alt);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--ink-3)}

/* 无文提示 */
.empty-note{padding:60px 24px;text-align:center}
.empty-note .empty-title{font-size:22px;font-weight:800;color:var(--ink);margin:0 0 10px}
.empty-note p{color:var(--muted);margin:0 0 22px}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:22px;
}
.side-title{
 font-size:14px;font-weight:800;color:var(--ink);letter-spacing:.6px;
 display:flex;align-items:center;gap:8px;margin:0 0 16px;
}
.side-title::before{content:"";width:6px;height:16px;border-radius:3px;background:linear-gradient(180deg,var(--gold-soft),var(--gold-deep))}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-list a{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding:11px 12px;border-radius:10px;font-size:14.5px;color:#3d4468;font-weight:500;
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-list a:hover{background:var(--bg-alt);color:var(--ink);transform:translateX(3px)}
.side-list a:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.side-list .arrow{color:var(--gold-deep);font-size:13px}
.info-rows{display:flex;flex-direction:column;gap:12px;font-size:14px}
.info-row{display:flex;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.info-row:last-child{border-bottom:0;padding-bottom:0}
.info-row .k{color:var(--muted);flex:0 0 auto}
.info-row .v{color:var(--ink);font-weight:600;text-align:right}
.side-cta{
 border-radius:var(--radius-lg);padding:24px;color:#fff;position:relative;overflow:hidden;
 background:linear-gradient(150deg,#1a1f3d,#252c56 60%,#10142a);
 border:1px solid rgba(255,180,0,.28);
}
.side-cta h3{margin:0 0 8px;font-size:17px;font-weight:800;color:#fff}
.side-cta p{margin:0 0 16px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66)}
.side-cta .btn{width:100%}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tag{
 font-size:12.5px;padding:5px 11px;border-radius:999px;
 background:var(--bg-alt);color:#454c72;border:1px solid var(--line);
}

/* ============ 通用板块 ============ */
.section{padding:60px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:34px}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
 color:var(--gold-deep);background:rgba(255,180,0,.14);
 padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.5vw,30px);line-height:1.4;font-weight:800;color:var(--ink);margin:0 0 12px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:15.5px;margin:0}

/* 关键要点 */
.key-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.key-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.key-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.key-num{
 width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:rgba(255,180,0,.15);color:var(--gold-deep);font-weight:800;font-size:14px;margin-bottom:14px;
}
.key-card h3{margin:0 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.key-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.85}

/* 图文叙事 */
.narrative{display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:center}
.narrative-media{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);position:relative;aspect-ratio:4/3}
.narrative-media img{width:100%;height:100%;object-fit:cover}
.narrative-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,31,61,0),rgba(26,31,61,.22))}
.narrative h2{font-size:clamp(22px,2.4vw,29px);font-weight:800;color:var(--ink);margin:0 0 14px;line-height:1.4}
.narrative p{color:#4c5378;font-size:15.5px;margin:0 0 16px}
.tick-list{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:11px}
.tick-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:#3d4468}
.tick-list .tick{
 flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:3px;
 background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));
 color:#231a00;font-size:12px;font-weight:800;display:grid;place-items:center;
}

/* 相关内容 */
.rel-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.rel-item{
 display:flex;gap:14px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.rel-item:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.rel-idx{
 flex:0 0 auto;font-size:13px;font-weight:800;color:var(--gold-deep);
 background:rgba(255,180,0,.13);border-radius:8px;padding:3px 9px;letter-spacing:.5px;
}
.rel-title{display:block;font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:-3px}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
 display:grid;place-items:center;font-size:17px;font-weight:700;
 background:rgba(255,180,0,.14);color:var(--gold-deep);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin-bottom:0}

/* CTA */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-xl);
 padding:48px 44px;color:#fff;
 background:
  radial-gradient(560px 260px at 88% 10%,rgba(255,180,0,.24),transparent 62%),
  linear-gradient(150deg,#1a1f3d,#252c56 58%,#141833);
 border:1px solid rgba(255,180,0,.24);
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.4fr .9fr;gap:30px;align-items:center;
}
.cta-band h2{margin:0 0 12px;font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.4;color:#fff}
.cta-band p{margin:0;color:rgba(255,255,255,.7);font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{
 background:#12162c;color:rgba(255,255,255,.7);
 padding:56px 0 26px;margin-top:0;border-top:1px solid rgba(255,180,0,.16);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700;letter-spacing:.6px}
.footer-about{font-size:14px;line-height:1.95;color:rgba(255,255,255,.56);margin:0;max-width:460px}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 16px;font-weight:700;letter-spacing:1px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(3px)}
.footer-col a:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:3px}
.footer-note{
 border-top:1px solid rgba(255,255,255,.1);padding-top:22px;
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
 font-size:13px;color:rgba(255,255,255,.42);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .reading-grid{grid-template-columns:minmax(0,1fr);gap:26px}
 .side-stack{position:static}
 .narrative{grid-template-columns:1fr;gap:24px}
 .key-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .cta-band{grid-template-columns:1fr;padding:38px 30px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-grid > div:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 .header-inner{height:64px}
 .brand-text{font-size:17px}
 .brand-sub{letter-spacing:1.8px;font-size:9.5px}
 .btn-sm{padding:8px 14px;font-size:13px}
 .article-hero{padding:40px 0 46px}
 .article-inner{padding:26px 22px 32px}
 .article-body{font-size:16px}
 .article-body h2{font-size:20px;margin-top:30px}
 .key-grid{grid-template-columns:1fr}
 .rel-list{grid-template-columns:1fr}
 .section{padding:46px 0}
 .reading{padding:30px 0 48px}
 .footer-note{flex-direction:column;gap:6px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .header-actions .btn-sm{display:none}
 .article-hero h1{font-size:24px}
 .hero-lead{font-size:14.5px}
 .meta-row{font-size:12.5px;gap:8px 14px}
 .article-cover{aspect-ratio:16/10}
 .article-inner{padding:22px 16px 28px}
 .article-body{font-size:15.5px;line-height:1.9}
 .side-card{padding:18px}
 .cta-band{padding:30px 20px;border-radius:var(--radius-lg)}
 .footer-grid{grid-template-columns:1fr}
 .faq-item summary{padding:15px 16px;font-size:15px}
 .faq-body{padding:0 16px 16px;font-size:14.5px}
 .rel-item{padding:15px 16px}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c56;
 --ink-3:#333b6d;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e29a00;
 --bg:#f4f5fa;
 --bg-alt:#eaedf7;
 --surface:#ffffff;
 --text:#1b2036;
 --muted:#69709a;
 --line:#e3e6f3;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 22px 52px rgba(26,31,61,.18);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.24;font-weight:800;letter-spacing:-.3px}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.32;font-weight:800;letter-spacing:-.2px;color:var(--ink)}
h3{font-size:18px;line-height:1.45;font-weight:700;color:var(--ink)}
h4{font-size:15px;font-weight:700;color:#fff}
p{font-size:16px;color:var(--text)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
/* ========== 顶部导航 ========== */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(26,31,61,.96);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,180,0,.16);
}
.header-inner{
 max-width:var(--max);margin:0 auto;padding:0 20px;
 height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffd166,#ffb400 55%,#e29a00);
 color:#1a1f3d;font-weight:800;font-size:19px;flex:none;
 box-shadow:0 6px 18px rgba(255,180,0,.36);
}
.brand-text{font-size:19px;letter-spacing:.6px;line-height:1.1;display:block}
.brand-sub{display:block;font-size:10.5px;color:rgba(255,255,255,.45);font-weight:400;letter-spacing:2.4px;margin-top:3px}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
 width:46px;height:46px;border-radius:11px;
 display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
 transition:background .2s ease,border-color .2s ease;
}
.menu-toggle:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.menu-toggle:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.menu-toggle .bar{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.menu-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-active .bar:nth-child(2){opacity:0}
.menu-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ========== 抽屉导航 ========== */
.nav-drawer{position:fixed;inset:0;z-index:95;pointer-events:none}
.nav-drawer::before{
 content:"";position:absolute;inset:0;background:rgba(10,13,28,.66);
 opacity:0;transition:opacity .32s ease;backdrop-filter:blur(3px);
}
.drawer-panel{
 position:absolute;top:0;right:0;height:100%;width:min(430px,88vw);
 background:linear-gradient(170deg,#1a1f3d 0%,#161a33 58%,#10142a 100%);
 border-left:1px solid rgba(255,180,0,.28);
 transform:translateX(102%);
 transition:transform .36s cubic-bezier(.4,0,.2,1);
 display:flex;flex-direction:column;
 padding:26px 24px 32px;overflow-y:auto;
 box-shadow:-24px 0 64px rgba(0,0,0,.55);
}
.nav-drawer.is-open{pointer-events:auto}
.nav-drawer.is-open::before{opacity:1}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-label{font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.45);font-weight:600}
.drawer-close{
 width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
 color:#fff;font-size:17px;border:1px solid rgba(255,255,255,.16);transition:.2s;
}
.drawer-close:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.drawer-close:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:15px 17px;border-radius:13px;
 color:rgba(255,255,255,.84);font-size:16px;font-weight:500;
 border:1px solid transparent;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.075);color:#fff;border-color:rgba(255,255,255,.14);transform:translateX(-3px)}
.drawer-nav a:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:2px}
.drawer-nav a.active{
 background:linear-gradient(120deg,rgba(255,180,0,.24),rgba(255,180,0,.05));
 color:#ffd166;border-color:rgba(255,180,0,.42);
}
.nav-idx{font-size:12px;letter-spacing:1.6px;color:rgba(255,255,255,.32);font-weight:600}
.drawer-nav a.active .nav-idx{color:rgba(255,209,102,.7)}
.drawer-foot{margin-top:auto;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);margin-top:30px}
.drawer-foot p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.85}
/* ========== 按钮 ========== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 24px;border-radius:999px;
 font-weight:600;font-size:15px;border:1px solid transparent;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.62);outline-offset:3px}
.btn-gold{
 background:linear-gradient(135deg,#ffd166,#ffb400 52%,#e29a00);
 color:#231a00;box-shadow:0 8px 24px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,180,0,.46)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,180,0,.6)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff;box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--gold);box-shadow:var(--shadow);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
/* ========== 标签 ========== */
.chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 15px;border-radius:999px;
 font-size:13px;font-weight:600;letter-spacing:.4px;
 color:#ffd166;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.38);
}
.chip-dark{color:var(--gold-deep);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.35)}
/* ========== Hero ========== */
.hero{
 position:relative;overflow:hidden;color:#fff;
 padding:60px 0 78px;
 background:
  linear-gradient(160deg,rgba(26,31,61,.95) 0%,rgba(24,29,57,.94) 52%,rgba(20,23,46,.97) 100%),
  url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::after{
 content:"";position:absolute;inset:auto -10% -40% -10%;height:70%;
 background:radial-gradient(620px 260px at 20% 100%,rgba(255,180,0,.20),transparent 70%),
            radial-gradient(560px 240px at 82% 100%,rgba(96,126,255,.24),transparent 72%);
 pointer-events:none;
}
.hero-stack{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.32fr .82fr;gap:24px;align-items:start;
}
.hero-main{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius-xl);
 padding:36px 34px 32px;
 backdrop-filter:blur(6px);
 box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.hero-main h1{margin:16px 0 14px;color:#fff}
.hero-lead{color:rgba(255,255,255,.76);font-size:16.5px;line-height:1.9;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{
 display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
 margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:26px;font-weight:800;color:var(--gold-soft);line-height:1.2}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.58)}
.hero-side{display:grid;gap:18px;padding-top:16px}
.hero-card{
 background:linear-gradient(155deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
 border:1px solid rgba(255,255,255,.15);
 border-radius:var(--radius-lg);
 padding:20px 22px;
 box-shadow:0 16px 38px rgba(0,0,0,.24);
 transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.hero-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5);box-shadow:0 22px 46px rgba(0,0,0,.32)}
.hero-card h3{color:#fff;font-size:17px;margin:8px 0 6px}
.hero-card p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.75}
.hero-card-tag{
 display:inline-block;font-size:11.5px;letter-spacing:1.6px;font-weight:700;
 color:var(--gold-soft);text-transform:uppercase;
}
.hero-card-b{margin-left:26px}
/* ========== 通用板块 ========== */
.section{padding:76px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--surface)}
.section-dark{
 background:
  radial-gradient(700px 320px at 85% 0%,rgba(255,180,0,.13),transparent 62%),
  linear-gradient(150deg,#1a1f3d 0%,#20274b 55%,#171b34 100%);
 color:#fff;
}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:rgba(255,255,255,.72)}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head h2{margin:14px 0 12px}
.sec-head p{color:var(--muted);font-size:16.5px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
/* ========== 左题右卡 ========== */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.split-head h2{margin:14px 0 14px}
.split-head p{color:var(--muted);font-size:16px;line-height:1.9}
.point-list{display:grid;gap:16px}
.point-card{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.point-num{
 flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 font-weight:800;font-size:15px;color:#231a00;
 background:linear-gradient(135deg,#ffd166,#ffb400);
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}
.point-card h3{margin-bottom:6px}
.point-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.point-card:nth-child(2){margin-left:22px}
/* ========== 图文分栏 ========== */
.figure-split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.figure-frame{
 border-radius:var(--radius-xl);overflow:hidden;
 box-shadow:var(--shadow-lg);border:1px solid var(--line);background:var(--surface);
}
.figure-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.figure-body h2{margin:14px 0 14px}
.figure-body p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:18px}
.check-list{display:grid;gap:12px}
.check-list li{
 display:flex;gap:11px;align-items:flex-start;
 font-size:15px;color:var(--text);line-height:1.8;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:13px 16px;box-shadow:var(--shadow-sm);
}
.check-list li::before{
 content:"✓";flex:none;width:22px;height:22px;border-radius:7px;
 display:grid;place-items:center;font-size:12px;font-weight:800;color:#231a00;
 background:linear-gradient(135deg,#ffd166,#ffb400);margin-top:2px;
}
/* ========== 步骤 ========== */
.step-track{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
.step-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.step-card::before{
 content:"";position:absolute;left:24px;top:0;transform:translateY(-50%);
 width:34px;height:4px;border-radius:4px;background:linear-gradient(90deg,#ffd166,#ffb400);
}
.step-no{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold-deep)}
.step-card h3{margin:8px 0 8px}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
/* ========== 评价 ========== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:24px 22px;
 transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45);background:rgba(255,255,255,.09)}
.quote-card p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.8)}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12)}
.quote-avatar{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 font-weight:800;font-size:14px;color:#231a00;background:linear-gradient(135deg,#ffd166,#ffb400);
}
.quote-meta span{font-size:13px;color:rgba(255,255,255,.6)}
.data-row{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 margin-top:34px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);
}
.data-row div{text-align:left}
.data-row strong{display:block;font-size:28px;font-weight:800;color:var(--gold-soft);line-height:1.2}
.data-row span{font-size:13px;color:rgba(255,255,255,.6)}
/* ========== 对比 ========== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{border-radius:var(--radius-lg);padding:28px 26px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm)}
.compare-card h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-card ul{display:grid;gap:12px}
.compare-card li{font-size:15px;line-height:1.8;color:var(--muted);padding-left:22px;position:relative}
.compare-card li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px}
.compare-bad{border-color:#f2d0d4;background:linear-gradient(180deg,#fff7f7,#ffffff)}
.compare-bad h3{color:#b3404d}
.compare-bad li::before{background:#e8899a}
.compare-good{border-color:rgba(255,180,0,.45);background:linear-gradient(180deg,#fffaf0,#ffffff)}
.compare-good h3{color:#8a6100}
.compare-good li::before{background:linear-gradient(135deg,#ffd166,#ffb400)}
/* ========== 牌型速查 ========== */
.speed-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.speed-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.speed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.speed-card .tag{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:.8px;
 padding:3px 11px;border-radius:999px;color:var(--gold-deep);
 background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.3);margin-bottom:12px;
}
.speed-card h3{font-size:17px;margin-bottom:8px}
.speed-card p{font-size:14px;color:var(--muted);line-height:1.78}
/* ========== 资讯列表 ========== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.post-cat{
 align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.6px;
 padding:3px 11px;border-radius:999px;color:var(--ink-2);
 background:var(--bg-alt);border:1px solid var(--line);margin-bottom:12px;
}
.post-card h3{font-size:16.5px;margin-bottom:8px}
.post-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.post-date{margin-top:auto;font-size:12.5px;color:#8d93b8;letter-spacing:.4px}
.empty-note{
 padding:36px 24px;border-radius:var(--radius-lg);border:1px dashed var(--line);
 background:var(--surface);color:var(--muted);font-size:15px;text-align:center;
}
/* ========== FAQ ========== */
.faq-list{display:grid;gap:12px;max-width:940px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;list-style:none;
 padding:19px 52px 19px 22px;position:relative;
 font-size:16px;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%);
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 font-size:16px;font-weight:700;color:var(--gold-deep);
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);
 transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:-3px}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9}
/* ========== 收口条 ========== */
.cta-band{
 background:
  radial-gradient(600px 260px at 12% 10%,rgba(255,180,0,.2),transparent 65%),
  linear-gradient(120deg,#1a1f3d,#252c56 60%,#1a1f3d);
 color:#fff;border-radius:var(--radius-xl);
 padding:44px 42px;
 display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
 box-shadow:var(--shadow-lg);border:1px solid rgba(255,180,0,.22);
}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);max-width:62ch;font-size:15.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ========== 页脚 ========== */
.site-footer{
 background:linear-gradient(160deg,#161a33,#10142a 70%);
 color:rgba(255,255,255,.7);
 padding:56px 0 26px;margin-top:0;
 border-top:1px solid rgba(255,180,0,.16);
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:40px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:52ch}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(3px)}
.footer-col a:focus-visible{outline:2px solid rgba(255,180,0,.6);outline-offset:3px;border-radius:4px}
.footer-note{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(255,255,255,.45);
}
/* ========== 移动端底部条 ========== */
.mobile-bar{
 display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
 padding:10px 14px calc(10px + env(safe-area-inset-bottom));
 background:rgba(22,26,51,.97);border-top:1px solid rgba(255,180,0,.3);
 backdrop-filter:blur(10px);
 align-items:center;justify-content:space-between;gap:12px;
}
.mobile-bar span{font-size:13px;color:rgba(255,255,255,.7)}
/* ========== 响应式 ========== */
@media (max-width:1024px){
 .hero-stack{grid-template-columns:1fr}
 .hero-side{grid-template-columns:1fr 1fr;padding-top:0}
 .hero-card-b{margin-left:0}
 .split{grid-template-columns:1fr;gap:28px}
 .figure-split{grid-template-columns:1fr;gap:28px}
 .step-track{grid-template-columns:1fr}
 .quote-grid{grid-template-columns:1fr 1fr}
 .speed-grid{grid-template-columns:1fr 1fr}
 .post-grid{grid-template-columns:1fr 1fr}
 .data-row{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .hero{padding:44px 0 60px}
 .hero-main{padding:26px 22px}
 .hero-side{grid-template-columns:1fr}
 .hero-stats{grid-template-columns:1fr 1fr 1fr;gap:8px}
 .hero-stats strong{font-size:22px}
 .point-card:nth-child(2){margin-left:0}
 .quote-grid{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .speed-grid{grid-template-columns:1fr 1fr}
 .post-grid{grid-template-columns:1fr}
 .cta-band{padding:32px 24px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-note{flex-direction:column;gap:6px}
}
@media (max-width:560px){
 .header-inner{height:62px}
 .brand-text{font-size:17px}
 .brand-sub{display:none}
 .btn-sm{padding:8px 14px;font-size:13px}
 .hero-main h1{margin-top:12px}
 .hero-actions .btn{flex:1 1 100%}
 .hero-stats{grid-template-columns:1fr;gap:12px;text-align:left}
 .speed-grid{grid-template-columns:1fr}
 .data-row{grid-template-columns:1fr 1fr;gap:14px}
 .cta-actions{width:100%}
 .cta-actions .btn{flex:1 1 100%}
 .mobile-bar{display:flex}
 body{padding-bottom:70px}
}

/* roulang page: category3 */
:root{
  --ink:#1a1f3d;
  --ink-2:#252c56;
  --ink-3:#333b6d;
  --gold:#ffb400;
  --gold-soft:#ffd166;
  --gold-deep:#e29a00;
  --bg:#f4f5fa;
  --bg-alt:#eaedf7;
  --surface:#ffffff;
  --text:#1b2036;
  --muted:#69709a;
  --line:#e3e6f3;
  --radius:12px;
  --radius-lg:18px;
  --radius-xl:26px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 10px 28px rgba(26,31,61,.10);
  --shadow-lg:0 22px 52px rgba(26,31,61,.18);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(26,31,61,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,180,0,.16);
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 20px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffd166,#ffb400 55%,#e29a00);
  color:#1a1f3d;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px rgba(255,180,0,.36);
}
.brand-text{font-size:19px;letter-spacing:.6px;line-height:1.1}
.brand-sub{display:block;font-size:10.5px;color:rgba(255,255,255,.45);font-weight:400;letter-spacing:2.4px;margin-top:3px}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  width:46px;height:46px;border-radius:11px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.menu-toggle:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.menu-toggle:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.menu-toggle .bar{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.menu-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-active .bar:nth-child(2){opacity:0}
.menu-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 抽屉导航 ===== */
.nav-drawer{position:fixed;inset:0;z-index:95;pointer-events:none}
.nav-drawer::before{
  content:"";position:absolute;inset:0;background:rgba(10,13,28,.66);
  opacity:0;transition:opacity .32s ease;backdrop-filter:blur(3px);
}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(430px,88vw);
  background:linear-gradient(170deg,#1a1f3d 0%,#161a33 58%,#10142a 100%);
  border-left:1px solid rgba(255,180,0,.28);
  transform:translateX(102%);
  transition:transform .36s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  padding:26px 24px 32px;overflow-y:auto;
  box-shadow:-24px 0 64px rgba(0,0,0,.55);
}
.nav-drawer.is-open{pointer-events:auto}
.nav-drawer.is-open::before{opacity:1}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-label{font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.45);font-weight:600}
.drawer-close{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.16);transition:.2s;
}
.drawer-close:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.drawer-close:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 17px;border-radius:13px;
  color:rgba(255,255,255,.84);font-size:16px;font-weight:500;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.075);color:#fff;border-color:rgba(255,255,255,.14);transform:translateX(-3px)}
.drawer-nav a.active{
  background:linear-gradient(120deg,rgba(255,180,0,.24),rgba(255,180,0,.05));
  color:#ffd166;border-color:rgba(255,180,0,.42);
}
.nav-idx{font-size:12px;letter-spacing:1.6px;color:rgba(255,255,255,.32);font-weight:600}
.drawer-nav a.active .nav-idx{color:rgba(255,209,102,.7)}
.drawer-foot{margin-top:auto;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);margin-top:30px}
.drawer-foot p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.85}
.drawer-foot strong{color:var(--gold-soft);font-weight:600}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:15px;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.62);outline-offset:3px}
.btn-gold{
  background:linear-gradient(135deg,#ffd166,#ffb400 52%,#e29a00);
  color:#231a00;box-shadow:0 8px 24px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,180,0,.46)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,180,0,.6)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ===== 分类 Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:60px 0 72px;
  background:
    linear-gradient(115deg,rgba(16,20,42,.94) 0%,rgba(20,25,52,.86) 46%,rgba(16,20,42,.72) 100%),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 340px at 88% 6%,rgba(255,180,0,.22),transparent 62%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px;flex-wrap:wrap}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--gold-soft)}
.crumb span{color:rgba(255,255,255,.28)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,180,0,.16);color:var(--gold-soft);
  border:1px solid rgba(255,180,0,.36);
}
.pill-neutral{background:rgba(255,255,255,.09);color:rgba(255,255,255,.82);border-color:rgba(255,255,255,.2)}
.hero-title{
  font-size:clamp(30px,4.6vw,50px);
  letter-spacing:.5px;color:#fff;max-width:900px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,#ffd166,#ffb400 60%,#ffdc8a);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;max-width:760px;
  font-size:16.5px;color:rgba(255,255,255,.76);line-height:1.92;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;margin-top:44px;
}
.stat-box{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:16px 18px;
  transition:background .25s ease,transform .25s ease,border-color .25s ease;
}
.stat-box:hover{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.45);transform:translateY(-3px)}
.stat-num{font-size:24px;font-weight:800;color:var(--gold-soft);letter-spacing:.5px}
.stat-cap{font-size:13px;color:rgba(255,255,255,.62);margin-top:4px}

/* ===== 板块通用 ===== */
.section{padding:70px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{
  background:linear-gradient(160deg,#1a1f3d,#222a53 62%,#161a33);
  color:#fff;
}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2.6px;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section-dark .section-kicker{color:var(--gold-soft)}
.section-title{font-size:clamp(23px,3vw,32px);color:var(--ink)}
.section-dark .section-title{color:#fff}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section-dark .section-desc{color:rgba(255,255,255,.68)}

/* ===== 卡片 ===== */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

.point-card{padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.point-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,209,102,.35),rgba(255,180,0,.16));
  color:var(--gold-deep);font-weight:800;font-size:17px;
  border:1px solid rgba(255,180,0,.3);
}
.point-card h3{font-size:18px;color:var(--ink)}
.point-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.card-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.2px;
  color:var(--gold-deep);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.26);
  padding:3px 10px;border-radius:8px;
}

/* ===== 场景演示 ===== */
.scene-card{overflow:hidden;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene-card figure{margin:0;position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover figure img{transform:scale(1.05)}
.scene-card figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,42,0) 42%,rgba(16,20,42,.72) 100%)}
.scene-label{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:#fff;
  background:rgba(255,180,0,.9);color:#231a00;
  padding:4px 11px;border-radius:8px;
}
.scene-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px}
.scene-body h3{font-size:17.5px;color:var(--ink)}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.scene-meta{font-size:12.5px;color:#8b91b8;display:flex;gap:14px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:12px;margin-top:2px}

/* ===== 对比差异 ===== */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
  border-radius:var(--radius-lg);padding:26px 24px;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-sm);
}
.compare-col.is-good{border-color:rgba(255,180,0,.5);background:linear-gradient(180deg,#fffdf6,#ffffff)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-dot{width:10px;height:10px;border-radius:50%;background:#c8cddf}
.compare-col.is-good .compare-dot{background:var(--gold)}
.compare-head h3{font-size:17px;color:var(--ink)}
.compare-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--muted);
  line-height:1.9;margin-bottom:9px;
}
.compare-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;
  background:#c8cddf;
}
.compare-col.is-good .compare-list li::before{background:var(--gold)}

/* ===== 节奏流程 ===== */
.step-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step{
  counter-increment:step;position:relative;padding:24px 20px 22px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);transition:background .25s ease,transform .25s ease,border-color .25s ease;
}
.step:hover{background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.44);transform:translateY(-4px)}
.step::before{
  content:"0" counter(step);
  display:block;font-size:13px;font-weight:800;letter-spacing:2px;
  color:var(--gold-soft);margin-bottom:10px;
}
.step h3{font-size:16px;color:#fff;margin-bottom:8px}
.step p{font-size:13.8px;color:rgba(255,255,255,.66);line-height:1.85}

/* ===== 认同 / 复盘笔记 ===== */
.quote-card{padding:24px;display:flex;flex-direction:column;gap:14px}
.quote-text{font-size:15px;color:var(--ink-2);line-height:1.92}
.quote-foot{display:flex;align-items:center;gap:11px;border-top:1px solid var(--line);padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#231a00;
  background:linear-gradient(135deg,#ffd166,#ffb400);
}
.quote-name{font-size:14px;font-weight:700;color:var(--ink)}
.quote-role{font-size:12.5px;color:var(--muted)}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8b91b8;flex-wrap:wrap}
.news-cat{color:var(--gold-deep);font-weight:700}
.news-title{font-size:16.5px;color:var(--ink);line-height:1.55}
.news-card:hover .news-title{color:var(--ink-3)}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.85}
.news-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px}
.empty-note{
  grid-column:1/-1;text-align:center;padding:46px 20px;color:var(--muted);
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);font-size:15px;
}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.45)}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 54px 19px 22px;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--gold-deep);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:-3px}
.faq-answer{padding:0 22px 22px;font-size:14.8px;color:var(--muted);line-height:1.92}

/* ===== 收口 CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:52px 44px;color:#fff;
  background:
    linear-gradient(120deg,rgba(16,20,42,.93),rgba(26,31,61,.78)),
    url("/assets/images/backpic/back-6.webp") center/cover no-repeat;
  box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.32),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,3vw,30px);position:relative;z-index:2;max-width:720px}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.74);font-size:15.5px;max-width:680px;position:relative;z-index:2;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(180deg,#171c36,#10142a);
  color:rgba(255,255,255,.7);padding:58px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:14px;color:rgba(255,255,255,.55);line-height:1.95;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:1.2px;margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(3px)}
.footer-note{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.4);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:58px 0}
}
@media (max-width:768px){
  .header-inner{height:64px}
  .cat-hero{padding:44px 0 54px}
  .hero-lead{font-size:15.5px}
  .hero-cta .btn{flex:1 1 auto}
  .grid-2,.compare{grid-template-columns:1fr}
  .cta-band{padding:38px 24px}
  .section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .brand-sub{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .grid-3,.grid-4,.news-grid,.step-row,.hero-stats{grid-template-columns:1fr}
  .hero-title{font-size:26px}
  .section-title{font-size:21px}
  .header-actions .btn-sm{padding:8px 14px;font-size:13px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-note{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c56;
 --ink-3:#333b6d;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e29a00;
 --bg:#f4f5fa;
 --bg-alt:#eaedf7;
 --surface:#ffffff;
 --text:#1b2036;
 --muted:#69709a;
 --line:#e3e6f3;
 --radius:12px;
 --radius-lg:18px;
 --radius-xl:26px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 22px 52px rgba(26,31,61,.18);
 --max:1180px;
}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.75;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 padding-bottom:88px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(26,31,61,.96);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,180,0,.16);
}
.header-inner{
 max-width:var(--max);margin:0 auto;padding:0 20px;
 height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700}
.brand-mark{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffd166,#ffb400 55%,#e29a00);
 color:#1a1f3d;font-weight:800;font-size:19px;
 box-shadow:0 6px 18px rgba(255,180,0,.36);
}
.brand-text{font-size:19px;letter-spacing:.6px;line-height:1.1}
.brand-sub{display:block;font-size:10.5px;color:rgba(255,255,255,.45);font-weight:400;letter-spacing:2.4px;margin-top:3px}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
 width:46px;height:46px;border-radius:11px;
 display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.menu-toggle:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.menu-toggle:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.menu-toggle .bar{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.menu-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-active .bar:nth-child(2){opacity:0}
.menu-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 抽屉导航 ============ */
.nav-drawer{position:fixed;inset:0;z-index:95;pointer-events:none}
.nav-drawer::before{
 content:"";position:absolute;inset:0;background:rgba(10,13,28,.66);
 opacity:0;transition:opacity .32s ease;backdrop-filter:blur(3px);
}
.drawer-panel{
 position:absolute;top:0;right:0;height:100%;width:min(430px,88vw);
 background:linear-gradient(170deg,#1a1f3d 0%,#161a33 58%,#10142a 100%);
 border-left:1px solid rgba(255,180,0,.28);
 transform:translateX(102%);
 transition:transform .36s cubic-bezier(.4,0,.2,1);
 display:flex;flex-direction:column;
 padding:26px 24px 32px;overflow-y:auto;
 box-shadow:-24px 0 64px rgba(0,0,0,.55);
}
.nav-drawer.is-open{pointer-events:auto}
.nav-drawer.is-open::before{opacity:1}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-label{font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.45);font-weight:600}
.drawer-close{
 width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:22px;line-height:1;
 color:#fff;border:1px solid rgba(255,255,255,.16);transition:.2s;
}
.drawer-close:hover{background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.55)}
.drawer-close:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:15px 17px;border-radius:13px;
 color:rgba(255,255,255,.84);font-size:16px;font-weight:500;
 border:1px solid transparent;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.075);color:#fff;border-color:rgba(255,255,255,.14);transform:translateX(-3px)}
.drawer-nav a.active{
 background:linear-gradient(120deg,rgba(255,180,0,.24),rgba(255,180,0,.05));
 color:#ffd166;border-color:rgba(255,180,0,.42);
}
.nav-idx{font-size:12px;letter-spacing:1.6px;color:rgba(255,255,255,.32);font-weight:600}
.drawer-nav a.active .nav-idx{color:rgba(255,209,102,.7)}
.drawer-foot{padding-top:24px;border-top:1px solid rgba(255,255,255,.1);margin-top:30px}
.drawer-foot p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.85}
.drawer-foot strong{color:var(--gold-soft);font-weight:600}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 24px;border-radius:999px;
 font-weight:600;font-size:15px;border:1px solid transparent;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.62);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,#ffd166,#ffb400 52%,#e29a00);color:#231a00;box-shadow:0 8px 24px rgba(255,180,0,.34)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,180,0,.46)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,180,0,.6)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ Hero 卡片堆叠 ============ */
.hero{
 position:relative;overflow:hidden;color:#fff;
 padding:56px 0 68px;
 background:linear-gradient(165deg,#1a1f3d 0%,#1d2447 52%,#161a33 100%);
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
 opacity:.2;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
  radial-gradient(760px 340px at 6% -8%,rgba(255,180,0,.24),transparent 62%),
  radial-gradient(680px 380px at 94% 10%,rgba(96,126,255,.28),transparent 62%),
  linear-gradient(180deg,rgba(22,26,51,.25),rgba(22,26,51,.72));
}
.hero .container{position:relative;z-index:2}
.hero-stack{display:grid;grid-template-columns:1.55fr .92fr;gap:22px;align-items:start}
.stack-card{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-xl);
 box-shadow:0 24px 56px rgba(0,0,0,.32);
 backdrop-filter:blur(6px);
}
.stack-main{padding:38px 36px 36px;background:linear-gradient(150deg,rgba(255,255,255,.11),rgba(255,255,255,.035))}
.stack-side{display:grid;gap:20px}
.side-card{padding:22px 24px}
.side-card:nth-child(2){margin-left:14px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:2.4px;font-weight:700;
 color:var(--gold-soft);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.h1-hero{
 font-size:clamp(28px,4.1vw,46px);
 line-height:1.18;font-weight:800;letter-spacing:-.4px;
 margin:16px 0 0;color:#fff;
}
.hero-lead{margin:18px 0 0;font-size:16px;line-height:1.9;color:rgba(255,255,255,.76);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.side-num{font-size:40px;font-weight:800;line-height:1;color:var(--gold-soft);letter-spacing:-1px}
.side-num span{font-size:15px;font-weight:600;color:rgba(255,255,255,.6);margin-left:6px;letter-spacing:0}
.side-card p{margin-top:10px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.side-card-img{padding:0;overflow:hidden}
.side-card-img img{width:100%;height:132px;object-fit:cover}
.side-card-img .side-cap{padding:14px 20px 18px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.7)}

/* ============ 板块通用 ============ */
.section{padding:66px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(160deg,#1a1f3d,#161a33 70%);color:#fff}
.section-head{max-width:720px}
.section-head.left{margin-right:auto}
.section-title{
 font-size:clamp(23px,2.6vw,32px);
 font-weight:800;line-height:1.3;color:var(--ink);margin:12px 0 0;letter-spacing:-.2px;
}
.section-dark .section-title{color:#fff}
.section-sub{margin:12px 0 0;color:var(--muted);font-size:15.5px;line-height:1.9}
.section-dark .section-sub{color:rgba(255,255,255,.66)}
.section-head-row{
 display:grid;grid-template-columns:1fr .85fr;gap:38px;align-items:end;margin-bottom:38px;
}

/* ============ 卖点 ============ */
.value-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:44px;align-items:start}
.value-list{display:grid;gap:16px}
.value-item{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.value-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d6dbf0}
.value-num{
 flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffd166,#ffb400);
 color:#2a1e00;font-weight:800;font-size:15px;
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}
.value-item h3{font-size:17px;font-weight:700;color:var(--ink);margin:0 0 6px}
.value-item p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 卡片 ============ */
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8ddf2}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#dfe3f4}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.card:hover .card-media img{transform:scale(1.06)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);margin:0}
.card-title a{transition:color .2s ease}
.card-title a:hover{color:var(--gold-deep)}
.card-text{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0}
.card-meta{
 margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 font-size:13px;color:#8a90b4;
}
.link-more{color:var(--gold-deep);font-weight:600;transition:color .2s ease}
.link-more:hover{color:#a06a00}
.tag{
 display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
 padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:rgba(255,180,0,.14);color:#8a5c00;border:1px solid rgba(255,180,0,.34);
}
.tag-blue{background:rgba(63,94,214,.12);color:#33479c;border-color:rgba(63,94,214,.28)}
.tag-plain{background:#f0f2fb;color:#5b6291;border-color:#e2e6f6}
.fan-num{
 display:flex;align-items:baseline;gap:6px;
 font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.5px;
}
.fan-num small{font-size:12.5px;font-weight:600;color:var(--muted);letter-spacing:0}

/* ============ 算番流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}
.step{
 background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius-lg);padding:24px 22px;
 transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.step:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.45);transform:translateY(-3px)}
.step-no{
 font-size:12.5px;letter-spacing:2px;font-weight:700;color:var(--gold-soft);
 display:block;margin-bottom:10px;
}
.step h3{font-size:16.5px;font-weight:700;color:#fff;margin:0 0 8px}
.step p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}

/* ============ 易混对比 ============ */
.compare-grid{display:grid;gap:18px;margin-top:36px}
.compare-card{
 display:grid;grid-template-columns:.72fr 1.28fr;gap:24px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px 26px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.compare-card:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#d6dbf0}
.compare-pair{font-size:19px;font-weight:800;color:var(--ink);line-height:1.5}
.compare-pair em{font-style:normal;color:var(--gold-deep);margin:0 6px;font-weight:700}
.compare-body p{font-size:14.5px;line-height:1.85;color:var(--muted)}
.compare-body strong{color:var(--ink);font-weight:700}

/* ============ 番数速查 ============ */
.sucha{
 margin-top:36px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
}
.sucha-row{
 display:grid;grid-template-columns:.82fr 1.75fr .6fr;gap:14px;
 padding:15px 22px;align-items:center;
 border-bottom:1px solid var(--line);font-size:14.5px;
 transition:background .2s ease;
}
.sucha-row:last-child{border-bottom:0}
.sucha-row:hover{background:#fbfcff}
.sucha-head{background:#f1f3fb;font-size:13px;font-weight:700;color:var(--ink);letter-spacing:1px}
.sucha-name{font-weight:700;color:var(--ink)}
.sucha-cond{color:var(--muted)}
.sucha-fan{text-align:right;font-weight:800;color:var(--gold-deep)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 20px;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:-3px}
.faq-icon{position:relative;flex:0 0 18px;height:18px}
.faq-icon::before,.faq-icon::after{
 content:"";position:absolute;left:50%;top:50%;background:var(--gold-deep);border-radius:2px;
 transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 20px 20px;font-size:14.5px;line-height:1.9;color:var(--muted)}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(120deg,#1a1f3d,#2b3466 58%,#1a1f3d);
 border-radius:var(--radius-xl);padding:46px 44px;color:#fff;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.35),transparent 68%);
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(22px,2.5vw,30px);font-weight:800;margin:0;line-height:1.35}
.cta-band p{position:relative;z-index:2;margin:12px 0 0;color:rgba(255,255,255,.72);font-size:15.5px;max-width:60ch}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ============ 底部固定转化条 ============ */
.float-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(20,25,50,.96);
 backdrop-filter:blur(12px);
 border-top:1px solid rgba(255,180,0,.3);
 padding:12px 0;
}
.float-inner{
 max-width:var(--max);margin:0 auto;padding:0 20px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.float-text{color:#fff;font-size:14.5px;line-height:1.5}
.float-text span{color:var(--gold-soft);font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:#12162c;color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.65fr .8fr .8fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700}
.footer-about{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:430px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.6px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-col a:hover{color:var(--gold-soft)}
.footer-note{
 margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:rgba(255,255,255,.45);
}
.empty-note{
 padding:26px;border:1px dashed var(--line);border-radius:var(--radius);
 background:#fbfcff;color:var(--muted);font-size:14.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-stack{grid-template-columns:1fr}
 .side-card:nth-child(2){margin-left:0}
 .stack-side{grid-template-columns:1fr 1fr}
 .value-grid{grid-template-columns:1fr;gap:28px}
 .section-head-row{grid-template-columns:1fr;gap:16px;align-items:start}
 .steps{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .compare-card{grid-template-columns:1fr;gap:12px}
}
@media (max-width:768px){
 .container{padding:0 16px}
 .header-inner{padding:0 16px;height:64px}
 .hero{padding:40px 0 52px}
 .stack-main{padding:28px 22px 26px}
 .stack-side{grid-template-columns:1fr}
 .section{padding:48px 0}
 .faq-grid{grid-template-columns:1fr}
 .cta-band{padding:32px 24px}
 .sucha-row{grid-template-columns:.9fr 1.4fr .5fr;padding:13px 16px;font-size:13.5px}
 .float-inner{gap:12px}
 .float-text{font-size:13px}
 .float-bar .btn{padding:10px 16px;font-size:13.5px}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .brand-text{font-size:17px}
 .brand-sub{letter-spacing:1.8px}
 .header-actions .btn-sm{padding:8px 14px;font-size:13px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn{width:100%}
 .steps{grid-template-columns:1fr}
 .sucha-row{grid-template-columns:1fr;gap:4px}
 .sucha-fan{text-align:left}
 .sucha-head{display:none}
 .compare-card{padding:20px}
 .cta-actions{flex-direction:column}
 .cta-actions .btn{width:100%}
 .float-text{display:none}
 .float-inner{justify-content:center}
}