/* roulang page: index */
:root{
  --red-900:#5e1313;
  --red:#8c1f1f;
  --red-700:#a32626;
  --gold:#d4af37;
  --gold-deep:#b8860b;
  --gold-light:#e8c87a;
  --bg:#faf7f0;
  --bg-alt:#f2ebdc;
  --card:#ffffff;
  --text:#3a3428;
  --muted:#8a8070;
  --line:#e7dcc2;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(94,19,19,.06);
  --shadow:0 10px 28px rgba(94,19,19,.10);
  --shadow-lg:0 18px 44px rgba(94,19,19,.16);
  --container:1180px;
  --ff-serif:"Noto Serif SC","Songti SC",SimSun,"Source Han Serif SC",serif;
  --ff-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-sans);
  font-size:15px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--red);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--gold-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--ff-serif);color:var(--red-900);line-height:1.35;font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(212,175,55,.8);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#8c1f1f 0%,#721717 100%);
  border-bottom:1px solid rgba(212,175,55,.38);
  box-shadow:0 4px 18px rgba(70,10,10,.20);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;height:64px;position:relative;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-family:var(--ff-serif);font-size:17px;font-weight:700;
  letter-spacing:.5px;white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:30px;height:30px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,#d4af37,#b8860b);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(0,0,0,.28);
}
.brand-mark svg{width:16px;height:16px;display:block;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:8px;
  color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--gold-light);background:rgba(255,255,255,.08);}
.nav-links a.is-active{color:var(--gold);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--gold);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:9px;
  border:1px solid rgba(212,175,55,.55);background:rgba(255,255,255,.06);
  cursor:pointer;align-items:center;justify-content:center;padding:0;
  transition:background .22s ease;
}
.nav-toggle:hover{background:rgba(212,175,55,.18);}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--gold-light);
  border-radius:2px;position:relative;transition:transform .24s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;
  background:var(--gold-light);border-radius:2px;transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:9px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.4;cursor:pointer;
  font-family:var(--ff-sans);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
  background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);
  color:#fff;text-shadow:0 1px 2px rgba(90,60,0,.35);
  box-shadow:0 6px 18px rgba(184,134,11,.34);
}
.btn-gold:hover{
  color:#fff;transform:translateY(-2px);
  background:linear-gradient(135deg,#e0bd48 0%,#a9790a 100%);
  box-shadow:0 12px 26px rgba(184,134,11,.44);
}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--gold-light);
  border-color:rgba(212,175,55,.65);
}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{
  background:#fff;color:var(--red);border-color:var(--line);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{color:var(--gold-deep);border-color:var(--gold);transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#8c1f1f 0%,#6b1616 55%,#5e1313 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/6c14a3bf7476e3a4.webp') center/cover no-repeat;
  opacity:.20;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 8%,rgba(212,175,55,.20),transparent 58%),
             linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.34));
}
.hero-inner{position:relative;z-index:2;padding:26px 0 78px;}
.flash-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 20px;padding:11px 18px;margin-bottom:36px;
  background:rgba(0,0,0,.26);
  border:1px solid rgba(212,175,55,.45);border-radius:12px;
}
.flash-label{display:inline-flex;align-items:center;gap:9px;color:var(--gold-light);font-size:14px;font-weight:600;}
.flash-dot{
  width:8px;height:8px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(212,175,55,.20);flex:0 0 auto;
}
.flash-timer{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:#fff;letter-spacing:.5px;font-size:14px;}
.flash-timer b{
  display:inline-block;min-width:34px;padding:2px 6px;text-align:center;
  background:rgba(212,175,55,.18);border:1px solid rgba(212,175,55,.42);
  border-radius:6px;color:#ffe9a8;font-weight:700;
}
.flash-right{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;
  gap:52px;align-items:center;
}
.hero-tagline{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold-light);background:rgba(212,175,55,.14);
  border:1px solid rgba(212,175,55,.55);
}
.hero h1{
  font-size:clamp(28px,3.5vw,42px);
  color:#f4d992;letter-spacing:.5px;line-height:1.32;
  text-shadow:0 2px 12px rgba(0,0,0,.28);
}
.hero-sub{
  margin-top:16px;font-size:16px;color:var(--gold-light);font-weight:500;
}
.hero-desc{
  margin-top:18px;max-width:640px;
  font-size:15px;line-height:1.95;color:rgba(255,255,255,.84);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-card{
  background:#fff;border:2px solid var(--gold);border-radius:16px;
  overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.hero-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hero-card-media img{width:100%;height:100%;object-fit:cover;}
.hero-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(60,8,8,.55) 100%);
}
.hero-card-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:4px 12px;border-radius:6px;font-size:12px;font-weight:700;
  color:#4a3205;background:linear-gradient(135deg,#e8c87a,#d4af37);
  box-shadow:0 3px 10px rgba(0,0,0,.28);
}
.hero-card-body{padding:22px 22px 24px;}
.hero-card-body h3{font-size:19px;color:var(--red-900);}
.hero-card-body > p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75;}
.spec-list{
  display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;
  margin:18px 0 20px;padding-top:16px;border-top:1px dashed var(--line);
}
.spec-list li{font-size:13px;color:var(--muted);}
.spec-list li b{
  display:block;font-family:var(--ff-serif);font-size:19px;
  color:var(--gold-deep);line-height:1.4;
}

/* ---------- Section base ---------- */
.section{padding:74px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:38px;
}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2.4vw,29px);letter-spacing:.3px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.section-head .lead{
  margin-top:10px;padding-left:16px;max-width:680px;
  font-size:14.5px;color:var(--muted);line-height:1.85;
}
.more-link{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  font-size:14px;font-weight:700;color:var(--gold-deep);
  padding-bottom:4px;white-space:nowrap;
}
.more-link:hover{color:var(--red);}
.more-link svg{width:14px;height:14px;}

/* ---------- Stats strip ---------- */
.stats-section{position:relative;z-index:5;margin-top:-48px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 18px;text-align:center;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-lg);}
.stat-num{
  font-family:var(--ff-serif);font-size:28px;font-weight:700;
  color:var(--gold-deep);line-height:1.25;
}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--muted);}

/* ---------- Catalog ---------- */
.catalog-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:40px;align-items:center;}
.catalog-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:#fff;
}
.catalog-figure img{width:100%;aspect-ratio:4/3.4;object-fit:cover;}
.catalog-list{display:grid;gap:14px;}
.catalog-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.catalog-item:hover{transform:translateX(4px);border-color:var(--gold);box-shadow:var(--shadow);}
.catalog-index{
  flex:0 0 auto;width:38px;height:38px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-serif);font-size:15px;font-weight:700;
  color:#f5d98d;background:linear-gradient(135deg,#a32626,#7a1414);
  border:1px solid var(--gold);
}
.catalog-item h3{font-size:16px;margin-bottom:4px;}
.catalog-item p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- Cards ---------- */
.card-grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.card h3{font-size:17px;margin-bottom:10px;}
.card p{font-size:14px;color:var(--muted);line-height:1.8;}
.card-seal{padding-top:58px;}
.seal{
  position:absolute;top:16px;left:18px;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 8px;border-radius:8px;
  font-family:var(--ff-serif);font-size:15px;font-weight:700;
  color:#f5d98d;background:linear-gradient(135deg,#a32626,#7a1414);
  border:1px solid var(--gold);box-shadow:0 3px 10px rgba(122,20,20,.28);
}
.card-icon{
  width:42px;height:42px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.45);
  color:var(--gold-deep);margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;}
.card-meta{margin-top:14px;font-size:13px;color:var(--gold-deep);font-weight:700;}

/* ---------- Mechanism ---------- */
.mech-layout{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.mech-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;
}
.mech-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.mech-text h2{
  position:relative;padding-left:16px;font-size:clamp(21px,2.3vw,27px);
  margin-bottom:16px;
}
.mech-text h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  border-radius:3px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.mech-text > p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.mech-list{margin-top:22px;display:grid;gap:12px;}
.mech-list li{
  position:relative;padding:12px 16px 12px 34px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  font-size:13.8px;color:var(--text);line-height:1.75;
  box-shadow:var(--shadow-sm);
}
.mech-list li::before{
  content:"";position:absolute;left:14px;top:20px;
  width:8px;height:8px;border-radius:2px;transform:rotate(45deg);
  background:linear-gradient(135deg,#d4af37,#b8860b);
}

/* ---------- Chart ---------- */
.chart-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:start;}
.chart-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow);
}
.chart-panel h3{font-size:17px;margin-bottom:6px;}
.chart-panel .chart-note{font-size:13.5px;color:var(--muted);margin-bottom:24px;}
.bar-chart{display:flex;flex-direction:column;gap:20px;}
.bar-row{display:grid;grid-template-columns:132px 1fr 54px;align-items:center;gap:14px;}
.bar-name{font-size:13.5px;color:var(--text);}
.bar-track{height:13px;border-radius:8px;background:#efe6d5;overflow:hidden;}
.bar-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,#d4af37,#b8860b);}
.bar-fill.f2{background:linear-gradient(90deg,#e0bd48,#c4911a);}
.bar-fill.f3{background:linear-gradient(90deg,#c9a63a,#a3760c);}
.bar-fill.f4{background:linear-gradient(90deg,#a32626,#7a1414);}
.bar-val{
  font-family:var(--ff-serif);font-size:15px;font-weight:700;
  color:var(--gold-deep);text-align:right;
}
.chart-side{display:grid;gap:18px;}
.mini-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,border-color .22s ease;
}
.mini-stat:hover{transform:translateY(-3px);border-color:var(--gold);}
.mini-stat b{
  display:block;font-family:var(--ff-serif);font-size:24px;
  color:var(--gold-deep);line-height:1.3;
}
.mini-stat span{font-size:13.5px;color:var(--muted);}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.step-num{
  position:absolute;top:10px;right:18px;
  font-family:var(--ff-serif);font-size:36px;font-weight:700;
  color:rgba(140,31,31,.13);line-height:1;
}
.step h3{font-size:16.5px;margin-bottom:10px;padding-right:40px;}
.step p{font-size:13.8px;color:var(--muted);line-height:1.8;}

/* ---------- Who ---------- */
.who-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.who-panel:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.who-panel h3{
  display:flex;align-items:center;gap:10px;
  font-size:17px;margin-bottom:16px;
}
.who-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;flex:0 0 auto;
  font-size:13px;font-weight:700;font-family:var(--ff-serif);
}
.who-badge.yes{color:#4a3205;background:linear-gradient(135deg,#e8c87a,#d4af37);border:1px solid #b8860b;}
.who-badge.no{color:#f5d98d;background:linear-gradient(135deg,#a32626,#7a1414);border:1px solid var(--gold);}
.who-panel ul{display:grid;gap:12px;}
.who-panel li{
  position:relative;padding-left:22px;
  font-size:14px;color:var(--muted);line-height:1.8;
}
.who-panel li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:2px;transform:rotate(45deg);
  background:var(--gold);
}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);
}
.compare-panel.after{
  border-color:rgba(212,175,55,.7);
  box-shadow:0 14px 34px rgba(184,134,11,.16);
}
.compare-panel h3{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:17px;margin-bottom:18px;padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.compare-panel h3 em{
  font-style:normal;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;
}
.compare-panel.before h3 em{color:var(--muted);background:#f1ece0;border:1px solid var(--line);}
.compare-panel.after h3 em{color:#4a3205;background:linear-gradient(135deg,#e8c87a,#d4af37);border:1px solid #b8860b;}
.compare-panel ul{display:grid;gap:14px;}
.compare-panel li{
  position:relative;padding-left:26px;
  font-size:14px;color:var(--muted);line-height:1.8;
}
.compare-panel li::before{
  content:"";position:absolute;left:2px;top:9px;
  width:9px;height:9px;border-radius:50%;
  border:2px solid var(--gold);background:#fff;
}
.compare-panel.after li{color:var(--text);}
.compare-panel.after li::before{background:linear-gradient(135deg,#d4af37,#b8860b);}

/* ---------- Voice ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.voice-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.voice-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.voice-quote{
  font-size:14px;color:var(--text);line-height:1.85;
}
.voice-quote::before{
  content:"“";font-family:var(--ff-serif);font-size:36px;color:rgba(212,175,55,.5);
  line-height:0;display:block;margin-bottom:12px;
}
.voice-user{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:10px;
}
.voice-avatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-serif);font-size:13px;font-weight:700;color:#f5d98d;
  background:linear-gradient(135deg,#a32626,#7a1414);border:1px solid var(--gold);
}
.voice-user strong{display:block;font-size:13.5px;color:var(--red-900);}
.voice-user span{font-size:12.5px;color:var(--muted);}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.news-media{aspect-ratio:16/10;overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-media img{transform:scale(1.05);}
.news-body{padding:20px 20px 22px;}
.news-body h3{font-size:16px;margin-bottom:8px;}
.news-body p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.news-tag{
  display:inline-block;margin-bottom:10px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--gold-deep);
  background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.45);
}

/* ---------- Resources ---------- */
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.res-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.res-item:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.res-icon{
  width:46px;height:46px;margin:0 auto 14px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.45);
  color:var(--gold-deep);
}
.res-icon svg{width:22px;height:22px;}
.res-item strong{display:block;font-family:var(--ff-serif);font-size:16px;color:var(--red-900);margin-bottom:6px;}
.res-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- Trust ---------- */
.trust-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 26px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  box-shadow:var(--shadow);
}
.trust-item{display:flex;gap:12px;align-items:flex-start;}
.trust-icon{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:rgba(140,31,31,.07);border:1px solid rgba(140,31,31,.16);
  color:var(--red);
}
.trust-icon svg{width:18px;height:18px;}
.trust-item strong{display:block;font-size:14.5px;color:var(--red-900);font-family:var(--ff-serif);margin-bottom:3px;}
.trust-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(212,175,55,.7);}
.faq-item summary{
  position:relative;cursor:pointer;list-style:none;
  padding:18px 34px 18px 0;
  font-family:var(--ff-serif);font-size:16px;font-weight:700;color:var(--red-900);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--gold-deep);}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:15px;
  font-size:21px;font-weight:700;color:var(--gold-deep);line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 0 20px;font-size:14px;color:var(--muted);line-height:1.9;}

/* ---------- Form ---------- */
.form-wrap{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 38px;box-shadow:var(--shadow-lg);
}
.form-info h2{
  position:relative;padding-left:16px;font-size:clamp(21px,2.3vw,27px);
  margin-bottom:16px;
}
.form-info h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  border-radius:3px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.form-info p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.form-points{margin-top:22px;display:grid;gap:12px;}
.form-points li{
  position:relative;padding-left:24px;
  font-size:13.8px;color:var(--text);line-height:1.75;
}
.form-points li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:2px;transform:rotate(45deg);
  background:linear-gradient(135deg,#d4af37,#b8860b);
}
.form-fields{display:grid;gap:16px;}
.field label{
  display:block;font-size:13.5px;font-weight:700;color:var(--red-900);
  margin-bottom:7px;font-family:var(--ff-serif);
}
.field input,.field select{
  width:100%;padding:12px 14px;font-size:14px;font-family:var(--ff-sans);
  color:var(--text);background:#fdfbf6;
  border:1px solid var(--line);border-radius:9px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input::placeholder{color:#b3a893;}
.field input:hover,.field select:hover{border-color:rgba(212,175,55,.7);}
.field input:focus,.field select:focus{
  outline:none;background:#fff;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(212,175,55,.20);
}
.form-hint{font-size:12.5px;color:var(--muted);line-height:1.7;}
.form-msg{
  display:none;padding:12px 14px;border-radius:9px;font-size:13.5px;
  color:#3f6b32;background:#eef6e8;border:1px solid #c9e0b8;
}
.form-msg.is-show{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#721717 0%,#5e1313 100%);
  border-top:1px solid var(--gold);
  color:rgba(255,255,255,.76);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.35fr 1fr 1fr;
  gap:36px;padding-bottom:38px;
}
.footer-col h4{
  color:var(--gold-light);font-size:16px;margin-bottom:16px;
  font-family:var(--ff-serif);letter-spacing:.5px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{
  color:#fff;font-family:var(--ff-serif);font-size:17px;letter-spacing:.5px;
}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.68);}
.footer-links a{
  display:block;padding:5px 0;font-size:14px;
  color:rgba(255,255,255,.74);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--gold);padding-left:5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px;padding:18px 0;
  border-top:1px solid rgba(212,175,55,.28);
  font-size:13px;color:rgba(232,200,122,.78);
}
.footer-bottom span{font-size:13px;}

/* ---------- Sticky CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(94,19,19,.96);
  border-top:1px solid var(--gold);
  box-shadow:0 -8px 26px rgba(70,10,10,.28);
  transform:translateY(115%);
  transition:transform .38s cubic-bezier(.4,0,.2,1);
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:11px 0;
}
.sticky-text{font-size:14px;color:rgba(255,255,255,.86);}
.sticky-text b{color:var(--gold-light);font-weight:700;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-card{max-width:560px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .catalog-layout{grid-template-columns:1fr;gap:30px;}
  .catalog-figure{max-width:620px;}
  .mech-layout{grid-template-columns:1fr;gap:30px;}
  .chart-layout{grid-template-columns:1fr;}
  .chart-side{grid-template-columns:repeat(3,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .res-grid{grid-template-columns:repeat(2,1fr);}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .form-wrap{grid-template-columns:1fr;gap:28px;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;top:64px;left:-24px;right:-24px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#701717;padding:12px 24px 18px;
    border-bottom:1px solid rgba(212,175,55,.42);
    box-shadow:0 16px 30px rgba(50,6,6,.32);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:11px 12px;font-size:15px;border-radius:8px;}
  .nav-links a.is-active::after{left:12px;right:auto;width:26px;bottom:6px;}
  .section{padding:60px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:768px){
  .hero-inner{padding:22px 0 62px;}
  .hero-desc{font-size:14.5px;}
  .grid-3,.grid-2,.steps,.compare,.voice-grid,.news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .chart-side{grid-template-columns:1fr;}
  .bar-row{grid-template-columns:100px 1fr 50px;gap:10px;}
  .bar-name{font-size:12.8px;}
  .stats-section{margin-top:-40px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-text{font-size:13px;}
  .sticky-inner{flex-direction:column;gap:8px;align-items:stretch;text-align:center;}
  .sticky-inner .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:15.5px;}
  .nav-actions .btn{display:none;}
  .hero h1{font-size:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .grid-4,.res-grid,.trust-bar{grid-template-columns:1fr;}
  .flash-bar{flex-direction:column;align-items:flex-start;gap:8px;}
  .card,.who-panel,.step,.voice-card{padding-left:18px;padding-right:18px;}
  .form-wrap{padding:26px 18px;}
  .spec-list{grid-template-columns:1fr 1fr;}
  .catalog-item{flex-direction:column;gap:10px;}
  .bar-row{grid-template-columns:88px 1fr 46px;}
}

/* roulang page: category1 */
:root{
 --red-900:#5e1313;
 --red:#8c1f1f;
 --red-700:#a32626;
 --gold:#d4af37;
 --gold-deep:#b8860b;
 --gold-light:#e8c87a;
 --bg:#faf7f0;
 --bg-alt:#f2ebdc;
 --card:#ffffff;
 --text:#3a3428;
 --muted:#8a8070;
 --line:#e7dcc2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(94,19,19,.06);
 --shadow:0 10px 28px rgba(94,19,19,.10);
 --shadow-lg:0 18px 44px rgba(94,19,19,.16);
 --container:1180px;
 --ff-serif:"Noto Serif SC","Songti SC",SimSun,"Source Han Serif SC",serif;
 --ff-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
}
/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--ff-sans);
 font-size:15px;
 line-height:1.8;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--red);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--gold-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
 outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--ff-serif);margin:0;line-height:1.4;color:var(--red-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#8c1f1f 0%,#721717 100%);
 border-bottom:1px solid rgba(212,175,55,.38);
 box-shadow:0 4px 18px rgba(70,10,10,.20);
}
.nav-bar{
 display:flex;align-items:center;justify-content:space-between;
 gap:18px;height:64px;position:relative;
}
.brand{
 display:inline-flex;align-items:center;gap:10px;
 color:#fff;font-family:var(--ff-serif);font-size:17px;font-weight:700;
 letter-spacing:.5px;white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
 width:30px;height:30px;border-radius:8px;flex:0 0 auto;
 background:linear-gradient(135deg,#d4af37,#b8860b);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 2px 8px rgba(0,0,0,.28);
}
.brand-mark svg{width:16px;height:16px;display:block;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
 position:relative;display:inline-block;
 padding:8px 14px;border-radius:8px;
 color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
 transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--gold-light);background:rgba(255,255,255,.08);}
.nav-links a.is-active{color:var(--gold);}
.nav-links a.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;
 height:2px;border-radius:2px;background:var(--gold);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
 display:none;width:40px;height:38px;border-radius:9px;
 border:1px solid rgba(212,175,55,.55);background:rgba(255,255,255,.06);
 cursor:pointer;align-items:center;justify-content:center;padding:0;
 transition:background .22s ease;
}
.nav-toggle:hover{background:rgba(212,175,55,.18);}
.nav-toggle span{
 display:block;width:18px;height:2px;background:var(--gold-light);
 border-radius:2px;position:relative;transition:transform .24s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;
 background:var(--gold-light);border-radius:2px;transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 24px;border-radius:9px;border:1px solid transparent;
 font-size:15px;font-weight:700;line-height:1.4;cursor:pointer;
 font-family:var(--ff-sans);
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
 background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);
 color:#fff;text-shadow:0 1px 2px rgba(90,60,0,.35);
 box-shadow:0 6px 18px rgba(184,134,11,.34);
}
.btn-gold:hover{
 color:#fff;transform:translateY(-2px);
 background:linear-gradient(135deg,#e0bd48 0%,#a9790a 100%);
 box-shadow:0 12px 26px rgba(184,134,11,.44);
}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
 background:transparent;color:var(--gold-light);
 border-color:rgba(212,175,55,.65);
}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{
 background:#fff;color:var(--red);border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{color:var(--gold-deep);border-color:var(--gold);transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-block{width:100%;}
/* ---------- Page Hero (分类页) ---------- */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(120deg,#8c1f1f 0%,#6b1616 58%,#5e1313 100%);
 border-bottom:3px solid var(--gold);
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/daafba43acabe49f.gif') center/cover no-repeat;
 opacity:.14;
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 82% 12%,rgba(212,175,55,.22),transparent 56%),
 linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.30));
}
.page-hero-inner{position:relative;z-index:2;padding:34px 0 54px;}
.breadcrumb{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--gold-light);}
.breadcrumb span.sep{color:rgba(212,175,55,.7);}
.page-hero-grid{
 display:grid;grid-template-columns:1.15fr .85fr;
 gap:46px;align-items:center;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 color:var(--gold-light);background:rgba(212,175,55,.14);
 border:1px solid rgba(212,175,55,.55);
 margin-bottom:18px;
}
.eyebrow::before{
 content:"";width:6px;height:6px;border-radius:50%;
 background:var(--gold);display:inline-block;
}
.page-hero h1{
 font-size:clamp(26px,3.2vw,40px);
 color:#f4d992;letter-spacing:.5px;line-height:1.34;
 text-shadow:0 2px 12px rgba(0,0,0,.30);
}
.page-hero-lead{
 margin-top:16px;font-size:16px;color:var(--gold-light);font-weight:500;line-height:1.85;
}
.page-hero-desc{
 margin-top:16px;font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.84);max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-figure{
 position:relative;border-radius:16px;overflow:hidden;
 border:2px solid var(--gold);box-shadow:0 22px 52px rgba(0,0,0,.36);
 background:#4a0f0f;
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:14px 16px;font-size:13px;line-height:1.7;
 color:#f7e9c4;background:linear-gradient(180deg,rgba(60,8,8,0),rgba(60,8,8,.88));
}
/* ---------- Stat strip ---------- */
.stat-strip{
 background:var(--card);
 border-bottom:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.stat-strip-grid{
 display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{
 padding:22px 18px;text-align:center;
 border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none;}
.stat-num{
 display:block;font-family:var(--ff-serif);font-size:26px;font-weight:700;
 color:var(--gold-deep);line-height:1.2;
}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--muted);}
/* ---------- Sections ---------- */
.section{padding:64px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{
 background:linear-gradient(150deg,#6b1616,#5e1313);
 color:#fff;
}
.section-head{
 display:flex;align-items:flex-end;justify-content:space-between;
 gap:24px;margin-bottom:34px;flex-wrap:wrap;
}
.section-title{
 position:relative;padding-left:16px;
 font-size:clamp(21px,2.4vw,28px);
}
.section-title::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
 border-radius:3px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.section-title small{
 display:block;margin-top:8px;padding-left:0;
 font-family:var(--ff-sans);font-size:14px;font-weight:400;color:var(--muted);
}
.section-dark .section-title{color:#f4d992;}
.section-dark .section-title small{color:rgba(255,255,255,.66);}
.more-link{
 display:inline-flex;align-items:center;gap:6px;
 font-size:14px;font-weight:700;color:var(--gold-deep);white-space:nowrap;
}
.more-link:hover{color:var(--red);}
.more-link::after{content:"›";font-size:18px;line-height:1;}
/* ---------- Feature cards ---------- */
.card-grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.feature-card{
 position:relative;background:var(--card);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-card:hover{
 transform:translateY(-4px);
 border-color:var(--gold);
 box-shadow:var(--shadow-lg);
}
.seal{
 position:absolute;top:-11px;left:18px;
 display:inline-flex;align-items:center;justify-content:center;
 min-width:34px;height:26px;padding:0 8px;
 background:linear-gradient(180deg,#a32626,#8c1f1f);
 color:#f4d992;font-family:var(--ff-serif);font-size:13px;font-weight:700;
 border:1px solid var(--gold);border-radius:6px;
 box-shadow:0 3px 10px rgba(94,19,19,.28);
 letter-spacing:1px;
}
.feature-card h3{font-size:18px;margin-bottom:10px;}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.mini-list{margin-top:14px;}
.mini-list li{
 position:relative;padding-left:16px;font-size:14px;color:var(--text);
 line-height:1.9;
}
.mini-list li::before{
 content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
 border-radius:50%;background:var(--gold);
}
/* ---------- Timeline ---------- */
.timeline{
 display:grid;grid-template-columns:repeat(5,1fr);gap:0;
 counter-reset:step;
 margin-top:8px;
}
.tl-item{
 position:relative;padding:0 14px;
}
.tl-item::before{
 content:"";position:absolute;top:22px;left:50%;right:-50%;
 height:2px;background:linear-gradient(90deg,rgba(212,175,55,.6),rgba(212,175,55,.15));
}
.tl-item:last-child::before{display:none;}
.tl-dot{
 position:relative;z-index:2;
 width:46px;height:46px;margin:0 auto 16px;
 display:flex;align-items:center;justify-content:center;
 border-radius:50%;font-family:var(--ff-serif);font-size:17px;font-weight:700;
 color:#5a3d00;background:linear-gradient(135deg,#f0d68a,#d4af37);
 border:2px solid #fff;box-shadow:0 6px 16px rgba(184,134,11,.34);
}
.tl-item h3{font-size:16px;text-align:center;margin-bottom:8px;}
.tl-item p{font-size:13.5px;color:var(--muted);text-align:center;line-height:1.85;}
/* ---------- Symbol table ---------- */
.table-wrap{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;
}
.sym-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.sym-table thead th{
 background:linear-gradient(180deg,#8c1f1f,#721717);
 color:#f4d992;font-family:var(--ff-serif);font-weight:700;
 text-align:left;padding:14px 18px;font-size:14.5px;letter-spacing:.5px;
 border-bottom:2px solid var(--gold);
}
.sym-table tbody td{
 padding:14px 18px;border-bottom:1px solid var(--line);
 color:var(--text);vertical-align:middle;
}
.sym-table tbody tr:last-child td{border-bottom:none;}
.sym-table tbody tr:hover{background:#fdfaf2;}
.sym-name{font-weight:700;color:var(--red-900);white-space:nowrap;}
.tag-pill{
 display:inline-block;padding:2px 10px;border-radius:999px;
 font-size:12.5px;font-weight:600;background:#f7efd8;color:#8a6a10;
 border:1px solid #ecd9a2;
}
.tag-pill.is-red{background:#fbeaea;color:#8c1f1f;border-color:#eec9c9;}
.num-gold{font-family:var(--ff-serif);font-weight:700;color:var(--gold-deep);}
/* ---------- Bonus ladder ---------- */
.ladder-card{
 position:relative;background:var(--card);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 24px;box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.ladder-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-lg);}
.ladder-card.is-top{
 border-color:var(--gold);
 background:linear-gradient(180deg,#fffdf6,#ffffff);
}
.ladder-level{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
 color:var(--gold-deep);margin-bottom:10px;
}
.ladder-card h3{font-size:19px;margin-bottom:14px;}
.ladder-meta{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:14px;}
.ladder-meta div{font-size:13px;color:var(--muted);}
.ladder-meta strong{
 display:block;font-family:var(--ff-serif);font-size:20px;color:var(--red);line-height:1.3;
}
.ladder-card p{font-size:14.5px;color:var(--muted);line-height:1.9;}
/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
 background:var(--card);border-radius:var(--radius);
 border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;
}
.compare-col header{
 padding:14px 20px;font-family:var(--ff-serif);font-size:15.5px;font-weight:700;
 border-bottom:1px solid var(--line);
}
.compare-col.is-wrong header{background:#fbeaea;color:#8c1f1f;}
.compare-col.is-right header{background:#f7efd8;color:#7a5c05;}
.compare-col ul{padding:8px 20px 18px;}
.compare-col li{
 position:relative;padding:11px 0 11px 26px;font-size:14.5px;line-height:1.85;
 border-bottom:1px dashed var(--line);
}
.compare-col li:last-child{border-bottom:none;}
.compare-col.is-wrong li::before{
 content:"×";position:absolute;left:0;top:10px;
 color:#a32626;font-weight:700;font-size:15px;
}
.compare-col.is-right li::before{
 content:"✓";position:absolute;left:0;top:10px;
 color:var(--gold-deep);font-weight:700;font-size:15px;
}
/* ---------- Article list ---------- */
.post-list{display:grid;gap:18px;}
.post-item{
 display:grid;grid-template-columns:190px 1fr;gap:22px;
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:16px;
 box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-item:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:var(--shadow);}
.post-thumb{
 border-radius:10px;overflow:hidden;background:var(--bg-alt);
 border:1px solid var(--line);
}
.post-thumb img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
.post-body h3{font-size:17.5px;margin-bottom:8px;}
.post-body p{font-size:14px;color:var(--muted);line-height:1.9;}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.post-tags span{
 font-size:12.5px;padding:3px 10px;border-radius:999px;
 background:var(--bg-alt);color:#7a6a4c;border:1px solid var(--line);
}
/* ---------- Channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.channel-card{
 display:block;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 22px;
 box-shadow:var(--shadow-sm);color:var(--text);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card:hover{
 transform:translateY(-4px);border-color:var(--gold);
 box-shadow:var(--shadow-lg);color:var(--text);
}
.channel-card h3{font-size:18px;margin-bottom:8px;color:var(--red-900);}
.channel-card:hover h3{color:var(--gold-deep);}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.9;}
.channel-more{
 display:inline-flex;align-items:center;gap:5px;margin-top:14px;
 font-size:13.5px;font-weight:700;color:var(--gold-deep);
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--gold);box-shadow:var(--shadow);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;cursor:pointer;list-style:none;
 font-family:var(--ff-serif);font-size:16px;font-weight:700;color:var(--red-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;
 width:24px;height:24px;display:flex;align-items:center;justify-content:center;
 border-radius:50%;font-size:17px;font-weight:400;
 color:#6b4f05;background:#f7efd8;border:1px solid #ecd9a2;
 transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item .faq-body{
 padding:0 22px 20px;font-size:14.5px;line-height:1.95;color:var(--muted);
}
/* ---------- CTA / Form ---------- */
.cta-band{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(120deg,#8c1f1f,#5e1313);
 border-top:3px solid var(--gold);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/ab9bf1937f72c572.webp') center/cover no-repeat;
 opacity:.13;
}
.cta-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
 padding:58px 0;
}
.cta-copy h2{color:#f4d992;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.cta-copy p{font-size:15px;line-height:1.95;color:rgba(255,255,255,.84);}
.cta-points{margin-top:20px;display:grid;gap:8px;}
.cta-points li{
 position:relative;padding-left:20px;font-size:14.5px;color:rgba(255,255,255,.86);
}
.cta-points li::before{
 content:"";position:absolute;left:0;top:10px;width:7px;height:7px;
 border-radius:50%;background:var(--gold);
}
.form-card{
 background:#fff;border:2px solid var(--gold);border-radius:16px;
 padding:28px 24px;box-shadow:0 22px 52px rgba(0,0,0,.30);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{
 display:block;font-size:13.5px;font-weight:700;color:var(--red-900);margin-bottom:6px;
}
.field input,.field select{
 width:100%;padding:11px 14px;font-size:14.5px;font-family:var(--ff-sans);
 color:var(--text);background:#fdfaf2;
 border:1px solid var(--line);border-radius:9px;
 transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input:hover,.field select:hover{border-color:#d9c795;}
.field input:focus,.field select:focus{
 outline:none;border-color:var(--gold);background:#fff;
 box-shadow:0 0 0 3px rgba(212,175,55,.20);
}
.form-foot{
 display:flex;align-items:center;gap:10px;margin-top:6px;
 font-size:12.5px;color:var(--muted);
}
.form-msg{
 margin-top:12px;font-size:13.5px;font-weight:700;color:var(--gold-deep);
 min-height:20px;
}
/* ---------- Assurance bar ---------- */
.assurance{
 background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.assurance-grid{
 display:grid;grid-template-columns:repeat(3,1fr);gap:0;
}
.assurance-item{
 padding:26px 24px;display:flex;gap:14px;align-items:flex-start;
 border-right:1px dashed #dccfa9;
}
.assurance-item:last-child{border-right:none;}
.assurance-icon{
 flex:0 0 auto;width:38px;height:38px;border-radius:10px;
 display:flex;align-items:center;justify-content:center;
 background:#fff;border:1px solid var(--gold);box-shadow:var(--shadow-sm);
}
.assurance-icon svg{width:19px;height:19px;}
.assurance-item h3{font-size:15.5px;margin-bottom:4px;}
.assurance-item p{font-size:13.5px;color:var(--muted);line-height:1.85;}
/* ---------- Footer ---------- */
.site-footer{
 background:linear-gradient(180deg,#5e1313,#4a0f0f);
 color:rgba(255,255,255,.78);
 border-top:1px solid var(--gold);
 padding:52px 0 0;margin-top:0;
}
.footer-grid{
 display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
 padding-bottom:36px;
}
.footer-brand{
 display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.footer-brand strong{
 font-family:var(--ff-serif);font-size:17px;color:#f4d992;letter-spacing:.5px;
}
.footer-col p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.68);max-width:420px;}
.footer-col h4{
 font-family:var(--ff-serif);font-size:15.5px;color:#f4d992;
 margin-bottom:16px;letter-spacing:.5px;
}
.footer-links{display:grid;gap:10px;}
.footer-links a{
 font-size:14px;color:rgba(255,255,255,.74);
 transition:color .22s ease,padding-left .22s ease;
}
.footer-links a:hover{color:var(--gold-light);padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 padding:18px 0 22px;border-top:1px solid rgba(212,175,55,.28);
 font-size:13px;color:rgba(232,200,122,.72);
}
/* ---------- Sticky bottom bar (mobile) ---------- */
.sticky-cta{
 display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
 background:#fff;border-top:2px solid var(--gold);
 box-shadow:0 -8px 24px rgba(94,19,19,.18);
 padding:10px 16px;
}
.sticky-cta .btn{width:100%;}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .page-hero-grid{grid-template-columns:1fr;gap:34px;}
 .hero-figure img{aspect-ratio:16/10;}
 .grid-3,.channel-grid{grid-template-columns:repeat(2,1fr);}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .timeline{grid-template-columns:repeat(3,1fr);row-gap:30px;}
 .tl-item::before{display:none;}
 .cta-inner{grid-template-columns:1fr;gap:32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .stat-strip-grid{grid-template-columns:repeat(2,1fr);}
 .stat-item:nth-child(2){border-right:none;}
 .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
 .assurance-grid{grid-template-columns:1fr;}
 .assurance-item{border-right:none;border-bottom:1px dashed #dccfa9;}
 .assurance-item:last-child{border-bottom:none;}
}
@media (max-width:860px){
 .nav-toggle{display:flex;}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#721717;border-bottom:1px solid rgba(212,175,55,.4);
  padding:10px 16px 16px;
  box-shadow:0 16px 32px rgba(60,8,8,.32);
  display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:11px 12px;border-radius:8px;}
 .nav-links a.is-active{background:rgba(212,175,55,.12);}
 .nav-links a.is-active::after{display:none;}
 .nav-actions .btn-sm{padding:7px 14px;font-size:13px;}
 .sticky-cta{display:block;}
 body{padding-bottom:64px;}
}
@media (max-width:768px){
 .section{padding:46px 0;}
 .page-hero-inner{padding:26px 0 42px;}
 .grid-3,.grid-2,.grid-4,.channel-grid{grid-template-columns:1fr;}
 .timeline{grid-template-columns:1fr;row-gap:24px;}
 .tl-item{padding:0;}
 .tl-dot{margin:0 0 12px;}
 .tl-item h3,.tl-item p{text-align:left;}
 .compare-grid{grid-template-columns:1fr;}
 .post-item{grid-template-columns:1fr;gap:14px;}
 .post-thumb img{aspect-ratio:16/9;}
 .sym-table{font-size:13.5px;}
 .sym-table thead th,.sym-table tbody td{padding:11px 12px;}
 .table-wrap{overflow-x:auto;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
 .hero-actions{gap:10px;}
 .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .brand{font-size:15px;gap:8px;}
 .brand-mark{width:26px;height:26px;}
 .nav-actions .btn-sm{display:none;}
 .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
 .form-card{padding:22px 18px;}
 .stat-item{padding:18px 12px;}
 .stat-num{font-size:22px;}
 .faq-item summary{font-size:15px;padding:15px 16px;}
 .faq-item .faq-body{padding:0 16px 16px;}
}

/* roulang page: category2 */
:root{
 --red-900:#5e1313;
 --red:#8c1f1f;
 --red-700:#a32626;
 --gold:#d4af37;
 --gold-deep:#b8860b;
 --gold-light:#e8c87a;
 --bg:#faf7f0;
 --bg-alt:#f2ebdc;
 --card:#ffffff;
 --text:#3a3428;
 --muted:#8a8070;
 --line:#e7dcc2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(94,19,19,.06);
 --shadow:0 10px 28px rgba(94,19,19,.10);
 --shadow-lg:0 18px 44px rgba(94,19,19,.16);
 --container:1180px;
 --ff-serif:"Noto Serif SC","Songti SC",SimSun,"Source Han Serif SC",serif;
 --ff-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
 --ff-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--ff-sans);
 font-size:15px;
 line-height:1.8;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--ff-serif);line-height:1.36;color:var(--red-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--red);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--gold-deep);}
button{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#8c1f1f 0%,#721717 100%);
 border-bottom:1px solid rgba(212,175,55,.38);
 box-shadow:0 4px 18px rgba(70,10,10,.20);
}
.nav-bar{
 display:flex;align-items:center;justify-content:space-between;
 gap:18px;height:64px;position:relative;
}
.brand{
 display:inline-flex;align-items:center;gap:10px;
 color:#fff;font-family:var(--ff-serif);font-size:17px;font-weight:700;
 letter-spacing:.5px;white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
 width:30px;height:30px;border-radius:8px;flex:0 0 auto;
 background:linear-gradient(135deg,#d4af37,#b8860b);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 2px 8px rgba(0,0,0,.28);
}
.brand-mark svg{width:16px;height:16px;display:block;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
 position:relative;display:inline-block;
 padding:8px 14px;border-radius:8px;
 color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
 transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--gold-light);background:rgba(255,255,255,.08);}
.nav-links a.is-active{color:var(--gold);}
.nav-links a.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;
 height:2px;border-radius:2px;background:var(--gold);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
 display:none;width:40px;height:38px;border-radius:9px;
 border:1px solid rgba(212,175,55,.55);background:rgba(255,255,255,.06);
 cursor:pointer;align-items:center;justify-content:center;padding:0;
 transition:background .22s ease;
}
.nav-toggle:hover{background:rgba(212,175,55,.18);}
.nav-toggle span{
 display:block;width:18px;height:2px;background:var(--gold-light);
 border-radius:2px;position:relative;transition:transform .24s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;
 background:var(--gold-light);border-radius:2px;transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 24px;border-radius:9px;border:1px solid transparent;
 font-size:15px;font-weight:700;line-height:1.4;cursor:pointer;
 font-family:var(--ff-sans);
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
 background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);
 color:#fff;text-shadow:0 1px 2px rgba(90,60,0,.35);
 box-shadow:0 6px 18px rgba(184,134,11,.34);
}
.btn-gold:hover{
 color:#fff;transform:translateY(-2px);
 background:linear-gradient(135deg,#e0bd48 0%,#a9790a 100%);
 box-shadow:0 12px 26px rgba(184,134,11,.44);
}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
 background:transparent;color:var(--gold-light);
 border-color:rgba(212,175,55,.65);
}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{
 background:#fff;color:var(--red);border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{color:var(--gold-deep);border-color:var(--gold);transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
 outline:2px solid var(--gold);outline-offset:2px;
}

/* ---------- Hero ---------- */
.hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#6b1616 55%,#5e1313 100%);
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/6c14a3bf7476e3a4.webp') center/cover no-repeat;
 opacity:.18;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 16% 6%,rgba(212,175,55,.22),transparent 58%),
 linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.36));
}
.hero-inner{position:relative;z-index:2;padding:58px 0 74px;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:50px;align-items:center;}
.hero-tagline{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
 color:var(--gold-light);background:rgba(212,175,55,.14);
 border:1px solid rgba(212,175,55,.55);
}
.hero h1{
 font-size:clamp(26px,3.4vw,40px);
 color:#f4d992;letter-spacing:.5px;line-height:1.34;
 text-shadow:0 2px 12px rgba(0,0,0,.28);
}
.hero-sub{margin-top:16px;font-size:16px;color:var(--gold-light);font-weight:500;}
.hero-desc{margin-top:16px;max-width:620px;font-size:15px;line-height:1.95;color:rgba(255,255,255,.84);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* 参数面板 */
.param-panel{
 background:#fffdf7;border:2px solid var(--gold);border-radius:16px;
 overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.param-head{display:flex;align-items:center;gap:7px;background:linear-gradient(90deg,#8c1f1f,#5e1313);padding:12px 16px;}
.param-dot{width:10px;height:10px;border-radius:50%;background:rgba(232,200,122,.55);display:block;}
.param-title{margin-left:8px;color:var(--gold-light);font-size:13px;letter-spacing:.6px;}
.param-body{
 padding:20px 20px 22px;background:linear-gradient(180deg,#fffdf7,#fbf5e7);
 font-family:var(--ff-mono);font-size:13px;line-height:2;color:#4a4030;
 overflow-x:auto;
}
.param-body .ln{white-space:nowrap;}
.param-body .k{color:var(--red-700);font-weight:700;}
.param-body .s{color:#7c6c42;}
.param-body .n{color:var(--gold-deep);font-weight:700;}
.param-body .c{color:#a99a73;}
.param-foot{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:14px 18px;border-top:1px dashed var(--line);background:#fffdf7;
 font-size:13px;color:var(--muted);
}
.param-foot strong{color:var(--red);font-family:var(--ff-mono);}

/* ---------- Stats strip ---------- */
.stats{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0;}
.stat{text-align:center;padding:4px 10px;}
.stat-num{font-family:var(--ff-mono);font-size:30px;font-weight:800;color:var(--gold-deep);line-height:1.3;}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section--alt{background:var(--bg-alt);}
.section--tight{padding:56px 0;}
.section-head{
 display:flex;align-items:flex-end;justify-content:space-between;
 gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{
 position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,28px);
}
.section-head h2::before{
 content:"";position:absolute;left:0;top:7px;bottom:7px;width:5px;
 border-radius:3px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.section-head .lead{margin-top:10px;padding-left:16px;font-size:14.5px;color:var(--muted);max-width:640px;}
.more-link{
 display:inline-flex;align-items:center;gap:6px;
 color:var(--gold-deep);font-weight:700;font-size:14px;white-space:nowrap;
 padding:6px 12px;border-radius:8px;border:1px solid rgba(212,175,55,.45);
 background:#fff;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,border-color .22s ease,color .22s ease;
}
.more-link:hover{transform:translateX(3px);border-color:var(--gold);color:var(--red);}

/* ---------- Grids & Cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
 position:relative;background:var(--card);
 border:1px solid var(--line);border-radius:10px;
 padding:30px 22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-lg);}
.seal{
 position:absolute;top:-11px;left:18px;
 width:34px;height:34px;border-radius:6px;
 background:linear-gradient(135deg,#8c1f1f,#5e1313);
 border:1px solid var(--gold);
 color:#f4d992;display:flex;align-items:center;justify-content:center;
 font-family:var(--ff-serif);font-size:15px;font-weight:700;
 box-shadow:0 4px 12px rgba(94,19,19,.28);
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:14.5px;color:#574e3e;line-height:1.85;}
.card .card-note{
 margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);
 font-size:13px;color:var(--muted);font-family:var(--ff-mono);
}

/* ---------- 倍率阶梯 ---------- */
.ladder{display:flex;flex-direction:column;gap:14px;}
.ladder-row{
 display:grid;grid-template-columns:210px 1fr 110px;align-items:center;gap:22px;
 background:#fff;border:1px solid var(--line);border-radius:10px;
 padding:16px 22px;box-shadow:var(--shadow-sm);
 transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.ladder-row:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--shadow);}
.ladder-name{font-family:var(--ff-serif);font-weight:700;color:var(--red-900);font-size:16px;}
.ladder-name small{display:block;font-family:var(--ff-sans);font-weight:400;font-size:13px;color:var(--muted);margin-top:3px;}
.bar{height:10px;border-radius:6px;background:var(--bg-alt);overflow:hidden;}
.bar span{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#e8c87a,#d4af37,#b8860b);}
.ladder-val{
 text-align:right;font-family:var(--ff-mono);font-size:19px;
 font-weight:800;color:var(--gold-deep);
}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
 position:relative;background:#fff;border:1px solid var(--line);
 border-radius:12px;padding:32px 20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.step::before{
 counter-increment:step;content:counter(step);
 position:absolute;top:-14px;left:18px;
 width:30px;height:30px;border-radius:50%;
 background:linear-gradient(135deg,#d4af37,#b8860b);
 color:#fff;font-weight:800;font-size:14px;
 display:flex;align-items:center;justify-content:center;
 border:2px solid #fff;box-shadow:0 4px 10px rgba(184,134,11,.34);
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14px;color:#574e3e;}

/* ---------- 场景演示 ---------- */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;}
.showcase-media{
 border:2px solid var(--gold);border-radius:16px;overflow:hidden;
 box-shadow:var(--shadow);background:#fff;
}
.showcase-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.showcase h3{font-size:23px;margin-bottom:14px;}
.showcase p{font-size:15px;color:#574e3e;line-height:1.95;}
.dot-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.dot-list li{
 position:relative;padding-left:22px;font-size:14.5px;color:#4d4536;
}
.dot-list li::before{
 content:"";position:absolute;left:0;top:10px;
 width:8px;height:8px;border-radius:2px;
 background:linear-gradient(135deg,#d4af37,#b8860b);
}
.dot-list li b{color:var(--red-900);}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{
 background:#fff;border:1px solid var(--line);border-radius:12px;
 padding:28px 26px;box-shadow:var(--shadow-sm);
}
.compare-col.bad{border-top:4px solid #a32626;}
.compare-col.good{border-top:4px solid var(--gold);}
.compare-col h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.compare-col .pill{
 display:inline-block;padding:2px 10px;border-radius:999px;
 font-size:12px;font-weight:700;font-family:var(--ff-sans);
}
.compare-col.bad .pill{color:#8c1f1f;background:rgba(140,31,31,.10);border:1px solid rgba(140,31,31,.25);}
.compare-col.good .pill{color:#8a6a10;background:rgba(212,175,55,.16);border:1px solid rgba(212,175,55,.5);}
.compare-col ul{display:flex;flex-direction:column;gap:14px;}
.compare-col li{font-size:14.5px;color:#4d4536;padding-left:18px;position:relative;}
.compare-col li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
 border-radius:50%;background:var(--muted);
}
.compare-col.good li::before{background:var(--gold-deep);}
.compare-col li b{color:var(--red-900);}

/* ---------- 观察笔记 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{
 background:#fff;border-left:4px solid var(--gold);
 border-radius:0 12px 12px 0;padding:24px 24px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote p{font-size:14.5px;color:#4d4536;line-height:1.9;}
.quote .who{
 margin-top:16px;font-size:13px;color:var(--muted);
 font-family:var(--ff-mono);
}

/* ---------- 资讯列表 ---------- */
.article-list{border-top:1px solid var(--line);}
.article-item{
 display:grid;grid-template-columns:126px 1fr 128px;gap:24px;align-items:center;
 padding:22px 6px;border-bottom:1px solid var(--line);
 transition:background .22s ease;
}
.article-item:hover{background:rgba(212,175,55,.06);}
.article-thumb{
 width:126px;height:80px;border-radius:8px;overflow:hidden;
 border:1px solid var(--line);background:var(--bg-alt);
}
.article-thumb img{width:100%;height:100%;object-fit:cover;}
.article-main h3{font-size:16.5px;margin-bottom:6px;}
.article-main p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.article-meta{
 text-align:right;font-size:13px;color:var(--gold-deep);
 font-family:var(--ff-mono);font-weight:700;
}
.article-meta small{display:block;color:var(--muted);font-weight:400;font-family:var(--ff-sans);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
details.faq{
 background:#fff;border:1px solid var(--line);border-radius:10px;
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .22s ease,box-shadow .22s ease;
}
details.faq[open]{border-color:var(--gold);box-shadow:var(--shadow);}
details.faq summary{
 list-style:none;cursor:pointer;position:relative;
 padding:18px 54px 18px 22px;
 font-family:var(--ff-serif);font-weight:700;font-size:16px;color:var(--red-900);
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
 content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
 color:var(--gold-deep);font-size:22px;font-weight:700;line-height:1;
 transition:transform .22s ease,color .22s ease;
}
details.faq[open] summary::after{content:"−";color:var(--red);}
details.faq .faq-body{padding:0 22px 20px;font-size:14.5px;color:#4d4536;line-height:1.9;}

/* ---------- 表单 ---------- */
.form-wrap{
 display:grid;grid-template-columns:.92fr 1.08fr;gap:46px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:42px;box-shadow:var(--shadow);
}
.form-intro h2{font-size:clamp(22px,2.3vw,27px);margin-bottom:14px;}
.form-intro p{font-size:15px;color:#574e3e;line-height:1.95;}
.form-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
 color:#8a6a10;background:rgba(212,175,55,.14);
 border:1px solid rgba(212,175,55,.5);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--red-900);margin-bottom:6px;}
.field input,.field select{
 width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:9px;
 background:#fdfaf3;font-size:15px;color:var(--text);font-family:var(--ff-sans);
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:hover,.field select:hover{border-color:#d9cba9;}
.field input:focus,.field select:focus{
 outline:none;border-color:var(--gold);background:#fff;
 box-shadow:0 0 0 3px rgba(212,175,55,.22);
}
.form-tip{
 margin-top:14px;font-size:13px;color:#8a6a10;
 background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.45);
 border-radius:9px;padding:10px 14px;
}
.form-note{margin-top:12px;font-size:13px;color:var(--muted);}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(94,19,19,.97);
 border-top:1px solid var(--gold);
 padding:10px 0;
 box-shadow:0 -8px 24px rgba(60,8,8,.28);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.sticky-text{color:#f4d992;font-size:14px;font-weight:600;}
.sticky-text small{display:block;color:rgba(255,255,255,.72);font-size:12.5px;font-weight:400;margin-top:2px;}

/* ---------- Footer ---------- */
.site-footer{
 background:linear-gradient(180deg,#5e1313,#480f0f);
 color:rgba(255,255,255,.8);
 border-top:1px solid var(--gold);
 padding:56px 0 66px;
}
.footer-grid{
 display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:42px;
 padding-bottom:38px;border-bottom:1px solid rgba(212,175,55,.24);
}
.footer-brand{
 display:flex;align-items:center;gap:10px;
 color:#fff;font-family:var(--ff-serif);font-size:17px;
 margin-bottom:14px;
}
.footer-brand strong{font-weight:700;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:400px;}
.footer-col h4{
 color:var(--gold-light);font-size:15px;margin-bottom:16px;
 font-family:var(--ff-serif);letter-spacing:.5px;
}
.footer-links a{
 display:block;color:rgba(255,255,255,.75);
 padding:6px 0;font-size:14px;transition:color .22s ease,transform .22s ease;
}
.footer-links a:hover{color:var(--gold-light);transform:translateX(3px);}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;
 gap:14px;flex-wrap:wrap;padding-top:20px;
 font-size:13px;color:rgba(232,200,122,.85);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:38px;}
 .hero-inner{padding:48px 0 60px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .steps{grid-template-columns:repeat(2,1fr);gap:26px 20px;}
 .quotes{grid-template-columns:1fr;}
 .showcase{grid-template-columns:1fr;gap:32px;}
 .compare{grid-template-columns:1fr;}
 .form-wrap{grid-template-columns:1fr;gap:32px;padding:32px;}
 .stats-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .ladder-row{grid-template-columns:180px 1fr 96px;gap:16px;}
}
@media (max-width:960px){
 .nav-toggle{display:inline-flex;}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:0;
  background:linear-gradient(180deg,#7a1919,#5e1313);
  border-bottom:1px solid rgba(212,175,55,.4);
  box-shadow:0 18px 30px rgba(60,8,8,.35);
  padding:8px 16px 16px;display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:12px 10px;border-radius:8px;}
 .nav-links a.is-active::after{left:10px;right:auto;width:22px;}
}
@media (max-width:768px){
 .section{padding:54px 0;}
 .section--tight{padding:44px 0;}
 .section-head{margin-bottom:28px;}
 .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
 .article-item{grid-template-columns:96px 1fr;gap:16px;}
 .article-thumb{width:96px;height:66px;}
 .article-meta{grid-column:1 / -1;text-align:left;display:flex;align-items:center;gap:10px;}
 .article-meta small{margin-top:0;}
 .ladder-row{grid-template-columns:1fr;gap:10px;padding:16px 18px;}
 .ladder-val{text-align:left;font-size:17px;}
 .form-wrap{padding:26px 20px;}
 .sticky-text small{display:none;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .hero-inner{padding:40px 0 52px;}
 .hero-actions .btn{width:100%;}
 .steps{grid-template-columns:1fr;}
 .stats-grid{grid-template-columns:1fr 1fr;gap:14px;}
 .stat-num{font-size:26px;}
 .article-item{grid-template-columns:1fr;}
 .article-thumb{width:100%;height:150px;}
 .param-body{font-size:12.5px;}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:8px;}
 .sticky-text{text-align:center;font-size:13px;}
 .sticky-cta .btn{width:100%;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: category3 */
:root{
 --red-900:#5e1313;
 --red:#8c1f1f;
 --red-700:#a32626;
 --gold:#d4af37;
 --gold-deep:#b8860b;
 --gold-light:#e8c87a;
 --bg:#faf7f0;
 --bg-alt:#f2ebdc;
 --card:#ffffff;
 --text:#3a3428;
 --muted:#8a8070;
 --line:#e7dcc2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(94,19,19,.06);
 --shadow:0 10px 28px rgba(94,19,19,.10);
 --shadow-lg:0 18px 44px rgba(94,19,19,.16);
 --container:1180px;
 --ff-serif:"Noto Serif SC","Songti SC",SimSun,"Source Han Serif SC",serif;
 --ff-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--ff-sans);
 font-size:15px;
 line-height:1.8;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--red);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--gold-deep);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--ff-serif);line-height:1.36;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#8c1f1f 0%,#721717 100%);
 border-bottom:1px solid rgba(212,175,55,.38);
 box-shadow:0 4px 18px rgba(70,10,10,.20);
}
.nav-bar{
 display:flex;align-items:center;justify-content:space-between;
 gap:18px;height:64px;position:relative;
}
.brand{
 display:inline-flex;align-items:center;gap:10px;
 color:#fff;font-family:var(--ff-serif);font-size:17px;font-weight:700;
 letter-spacing:.5px;white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
 width:30px;height:30px;border-radius:8px;flex:0 0 auto;
 background:linear-gradient(135deg,#d4af37,#b8860b);
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 2px 8px rgba(0,0,0,.28);
}
.brand-mark svg{width:16px;height:16px;display:block;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
 position:relative;display:inline-block;
 padding:8px 14px;border-radius:8px;
 color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
 transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--gold-light);background:rgba(255,255,255,.08);}
.nav-links a.is-active{color:var(--gold);}
.nav-links a.is-active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;
 height:2px;border-radius:2px;background:var(--gold);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
 display:none;width:40px;height:38px;border-radius:9px;
 border:1px solid rgba(212,175,55,.55);background:rgba(255,255,255,.06);
 cursor:pointer;align-items:center;justify-content:center;padding:0;
 transition:background .22s ease;
}
.nav-toggle:hover{background:rgba(212,175,55,.18);}
.nav-toggle span{
 display:block;width:18px;height:2px;background:var(--gold-light);
 border-radius:2px;position:relative;transition:background .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;
 background:var(--gold-light);border-radius:2px;transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-active span{background:transparent;}
.nav-toggle.is-active span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-active span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 24px;border-radius:9px;border:1px solid transparent;
 font-size:15px;font-weight:700;line-height:1.4;cursor:pointer;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
 background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);
 color:#fff;text-shadow:0 1px 2px rgba(90,60,0,.35);
 box-shadow:0 6px 18px rgba(184,134,11,.34);
}
.btn-gold:hover{
 color:#fff;transform:translateY(-2px);
 background:linear-gradient(135deg,#e0bd48 0%,#a9790a 100%);
 box-shadow:0 12px 26px rgba(184,134,11,.44);
}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
 background:transparent;color:var(--gold-light);
 border-color:rgba(212,175,55,.65);
}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{
 background:#fff;color:var(--red);border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{color:var(--gold-deep);border-color:var(--gold);transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Page Hero ---------- */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#5e1313 0%,#8c1f1f 58%,#3d0c0c 100%);
 padding:58px 0 68px;
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/ab9bf1937f72c572.webp') center/cover no-repeat;
 opacity:.20;
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 78% 12%,rgba(212,175,55,.20),transparent 56%),
 linear-gradient(180deg,rgba(0,0,0,.14),rgba(0,0,0,.42));
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:rgba(255,255,255,.62);margin-bottom:26px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--gold);}
.crumb span.sep{color:rgba(212,175,55,.6);}
.hero-layout{
 display:grid;grid-template-columns:340px 1fr;
 gap:46px;align-items:center;
}
.poster{
 position:relative;border-radius:16px;overflow:hidden;
 border:2px solid var(--gold);
 box-shadow:0 26px 60px rgba(0,0,0,.42);
 background:#2a0a0a;
}
.poster img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.poster::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(0,0,0,0) 48%,rgba(48,6,6,.72) 100%);
}
.poster-foot{
 position:absolute;left:0;right:0;bottom:0;z-index:2;
 padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.poster-foot strong{
 font-family:var(--ff-serif);color:#f6e3a8;font-size:15px;letter-spacing:.5px;
}
.heat-badge{
 position:absolute;top:14px;left:14px;z-index:2;
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:6px;
 background:rgba(140,31,31,.92);border:1px solid var(--gold);
 color:var(--gold-light);font-size:12px;font-weight:700;letter-spacing:.4px;
}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 color:var(--gold-light);background:rgba(212,175,55,.14);
 border:1px solid rgba(212,175,55,.55);
 font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-eyebrow svg{width:14px;height:14px;}
.page-hero h1{
 font-size:clamp(27px,3.2vw,40px);
 color:#f4d992;letter-spacing:.4px;line-height:1.34;
 text-shadow:0 2px 12px rgba(0,0,0,.30);
}
.hero-lead{
 margin-top:18px;font-size:15px;line-height:1.95;
 color:rgba(255,255,255,.85);max-width:660px;
}
.hero-meta{
 display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;
}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 13px;border-radius:999px;font-size:13px;
 color:#f6e3a8;background:rgba(255,255,255,.08);
 border:1px solid rgba(212,175,55,.42);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--bg-alt);}
.section-deep{
 background:linear-gradient(135deg,#5e1313,#8c1f1f 70%,#4a0f0f);
 color:#fff;position:relative;overflow:hidden;
}
.section-deep::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/111d57475b7582d9.webp') center/cover no-repeat;
 opacity:.13;
}
.section-deep .container{position:relative;z-index:2;}
.section-head{
 display:flex;align-items:flex-end;justify-content:space-between;
 gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{
 position:relative;padding-left:16px;
 font-size:clamp(21px,2.2vw,27px);color:var(--red);letter-spacing:.4px;
}
.section-head h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
 border-radius:3px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.section-deep .section-head h2{color:#f4d992;}
.section-desc{
 margin-top:10px;color:var(--muted);font-size:14.5px;max-width:760px;
}
.section-deep .section-desc{color:rgba(255,255,255,.72);}
.more-link{
 display:inline-flex;align-items:center;gap:6px;
 color:var(--gold-deep);font-weight:700;font-size:14px;white-space:nowrap;
 border-bottom:1px solid transparent;padding-bottom:2px;
 transition:color .22s ease,border-color .22s ease;
}
.more-link:hover{color:var(--red);border-color:var(--gold);}
.section-deep .more-link{color:var(--gold-light);}
.section-deep .more-link:hover{color:#fff;border-color:var(--gold);}

/* ---------- Grids & Cards ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
 position:relative;background:var(--card);
 border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:26px 24px;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.card h3{font-size:18px;color:var(--red);margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.card-num{
 font-family:var(--ff-serif);font-size:13px;font-weight:700;
 color:var(--gold-deep);letter-spacing:2px;margin-bottom:8px;display:block;
}
.stamp{
 position:absolute;top:-1px;left:16px;
 display:inline-flex;align-items:center;justify-content:center;
 min-width:34px;height:30px;padding:0 8px;
 background:linear-gradient(180deg,#a32626,#8c1f1f);
 border:1px solid var(--gold);border-bottom-left-radius:6px;border-bottom-right-radius:6px;
 color:#f6e3a8;font-family:var(--ff-serif);font-size:13px;font-weight:700;
 letter-spacing:1px;box-shadow:0 4px 10px rgba(94,19,19,.22);
}
.card-icon{
 width:44px;height:44px;border-radius:10px;margin-bottom:16px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.42);
}
.card-icon svg{width:22px;height:22px;}

/* feature list */
.feature-list{margin-top:16px;display:grid;gap:10px;}
.feature-list li{
 position:relative;padding-left:20px;font-size:14.5px;color:var(--text);line-height:1.85;
}
.feature-list li::before{
 content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
 border-radius:2px;background:linear-gradient(135deg,#d4af37,#b8860b);
}

/* ---------- Media block ---------- */
.split{
 display:grid;grid-template-columns:1.02fr .98fr;
 gap:44px;align-items:center;
}
.split-media{
 border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid var(--gold);box-shadow:var(--shadow-lg);background:#2a0a0a;
}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split-body p.lead{font-size:15px;color:var(--text);line-height:1.95;margin-bottom:16px;}
.note-box{
 margin-top:22px;padding:16px 18px;border-radius:10px;
 background:rgba(212,175,55,.10);border-left:3px solid var(--gold);
 font-size:14px;color:var(--red-900);line-height:1.85;
}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:34px;}
.timeline::before{
 content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,rgba(212,175,55,.9),rgba(212,175,55,.15));
}
.tl-item{position:relative;padding:0 0 26px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;
 border-radius:50%;background:#fff;border:3px solid var(--gold);
 box-shadow:0 0 0 4px rgba(212,175,55,.16);
}
.tl-step{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
 color:var(--gold-deep);margin-bottom:4px;
}
.tl-item h3{font-size:17px;color:var(--red);margin-bottom:6px;}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.section-deep .tl-item h3{color:#f4d992;}
.section-deep .tl-item p{color:rgba(255,255,255,.76);}
.section-deep .tl-step{color:var(--gold-light);}
.section-deep .tl-item::before{background:#5e1313;}

/* ---------- Stats ---------- */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 margin-top:34px;
}
.stat{
 text-align:center;padding:24px 14px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);border:1px solid rgba(212,175,55,.34);
 transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.stat:hover{transform:translateY(-3px);border-color:var(--gold);background:rgba(212,175,55,.12);}
.stat b{
 display:block;font-family:var(--ff-serif);font-size:30px;
 color:var(--gold);line-height:1.2;letter-spacing:1px;
}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.74);}

/* ---------- Compare table ---------- */
.table-wrap{
 overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
 background:#fff;box-shadow:var(--shadow-sm);
}
table.compare{width:100%;border-collapse:collapse;min-width:720px;}
table.compare th,table.compare td{
 padding:16px 18px;text-align:left;font-size:14.5px;line-height:1.75;
 border-bottom:1px solid var(--line);vertical-align:top;
}
table.compare thead th{
 background:linear-gradient(180deg,#8c1f1f,#6b1616);
 color:#f4d992;font-family:var(--ff-serif);font-size:15px;letter-spacing:.4px;
 border-bottom:1px solid rgba(212,175,55,.5);white-space:nowrap;
}
table.compare tbody tr:nth-child(even){background:#fbf7ee;}
table.compare tbody tr:hover{background:rgba(212,175,55,.10);}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare td:first-child{font-weight:700;color:var(--red);white-space:nowrap;}
.tag-mini{
 display:inline-block;padding:3px 9px;border-radius:5px;
 font-size:12px;font-weight:700;letter-spacing:.4px;
 background:rgba(140,31,31,.08);color:var(--red);
 border:1px solid rgba(140,31,31,.18);
}
.tag-gold{
 background:rgba(212,175,55,.16);color:var(--gold-deep);
 border-color:rgba(212,175,55,.5);
}

/* ---------- Media cards ---------- */
.media-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.media-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.media-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#efe6d5;}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.media-card:hover .thumb img{transform:scale(1.05);}
.media-card .thumb .stamp{top:12px;left:12px;border-radius:6px;height:28px;}
.media-card .body{padding:18px 20px 22px;}
.media-card .body h3{font-size:16.5px;color:var(--red);margin-bottom:8px;}
.media-card .body p{font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- Article list ---------- */
.article-list{display:grid;gap:14px;}
.article-item{
 display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;
 padding:16px;background:#fff;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;
}
.article-item:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:var(--shadow);}
.article-item .thumb{
 border-radius:9px;overflow:hidden;aspect-ratio:16/10;background:#efe6d5;
}
.article-item .thumb img{width:100%;height:100%;object-fit:cover;}
.article-item h3{font-size:16.5px;color:var(--red);margin-bottom:6px;}
.article-item p{font-size:14px;color:var(--muted);line-height:1.8;}
.article-item .meta{display:flex;gap:10px;margin-bottom:6px;flex-wrap:wrap;}
.article-item .go{
 width:38px;height:38px;border-radius:50%;flex:0 0 auto;
 border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
 color:var(--gold-deep);background:#fdfbf6;transition:all .22s ease;
}
.article-item:hover .go{background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;border-color:transparent;}
.article-item .go svg{width:16px;height:16px;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px;}
.faq details{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s ease;
}
.faq details:hover{border-color:var(--gold);}
.faq details[open]{border-color:var(--gold);box-shadow:var(--shadow);}
.faq summary{
 cursor:pointer;list-style:none;padding:16px 20px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-weight:700;font-size:15.5px;color:var(--red);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
 content:"+";font-family:var(--ff-sans);font-size:20px;font-weight:400;
 color:var(--gold-deep);flex:0 0 auto;line-height:1;
}
.faq details[open] summary::after{content:"–";}
.faq .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.9;}

/* ---------- Assurance + CTA ---------- */
.assure{
 display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.assure-item{
 display:flex;gap:14px;align-items:flex-start;
 padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
}
.assure-item .ico{
 width:38px;height:38px;flex:0 0 auto;border-radius:9px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.42);
}
.assure-item .ico svg{width:18px;height:18px;}
.assure-item h3{font-size:15.5px;color:var(--red);margin-bottom:4px;}
.assure-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}

.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:46px 40px;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#6b1616 60%,#4a0f0f 100%);
 border:1px solid rgba(212,175,55,.45);
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/c573c4e07c6a76ce.webp') center/cover no-repeat;
 opacity:.14;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(21px,2.3vw,27px);color:#f4d992;margin-bottom:12px;}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.9;}
.form-card{
 background:#fff;border:1px solid rgba(212,175,55,.6);border-radius:14px;
 padding:24px;box-shadow:0 18px 40px rgba(0,0,0,.26);
}
.form-card label{
 display:block;font-size:13.5px;font-weight:700;color:var(--red);margin-bottom:8px;
}
.form-card .input{
 width:100%;padding:12px 14px;border-radius:9px;
 border:1px solid var(--line);background:#fdfbf6;color:var(--text);
 font-size:14.5px;line-height:1.5;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-card .input:focus{
 outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.22);
}
.form-card .input::placeholder{color:#b3a992;}
.form-note{margin-top:10px;font-size:12.5px;color:var(--muted);line-height:1.7;}
.form-card .btn{margin-top:14px;}

/* ---------- Sticky bar ---------- */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
 align-items:center;justify-content:space-between;gap:14px;
 padding:10px 16px;background:rgba(94,19,19,.97);
 border-top:1px solid rgba(212,175,55,.6);
 box-shadow:0 -6px 20px rgba(60,8,8,.35);
}
.sticky-bar span{
 font-size:13px;color:var(--gold-light);line-height:1.5;
 font-family:var(--ff-serif);letter-spacing:.3px;
}

/* ---------- Footer ---------- */
.site-footer{
 position:relative;background:linear-gradient(180deg,#6b1616,#4a0f0f);
 color:rgba(255,255,255,.78);padding:52px 0 0;
 border-top:1px solid rgba(212,175,55,.45);
}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
 padding-bottom:38px;
}
.footer-brand{
 display:flex;align-items:center;gap:10px;margin-bottom:14px;
 color:#f4d992;font-family:var(--ff-serif);font-size:17px;letter-spacing:.4px;
}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:420px;}
.footer-col h4{
 font-size:15px;color:var(--gold-light);margin-bottom:16px;
 padding-left:11px;position:relative;letter-spacing:.4px;
}
.footer-col h4::before{
 content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;
 border-radius:2px;background:linear-gradient(180deg,#d4af37,#b8860b);
}
.footer-links{display:grid;gap:9px;}
.footer-links a{
 color:rgba(255,255,255,.72);font-size:14px;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--gold);padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding:18px 0 22px;border-top:1px solid rgba(212,175,55,.24);
 font-size:13px;color:rgba(232,200,122,.72);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .hero-layout{grid-template-columns:280px 1fr;gap:32px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .split{grid-template-columns:1fr;gap:32px;}
 .stat-strip{grid-template-columns:repeat(2,1fr);}
 .cta-band{grid-template-columns:1fr;padding:36px 28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .footer-col:first-child{grid-column:1 / -1;}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex;}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:linear-gradient(180deg,#8c1f1f,#6b1616);
  border-bottom:1px solid rgba(212,175,55,.45);
  padding:12px 18px 18px;
  box-shadow:0 16px 30px rgba(40,6,6,.4);
  display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:11px 12px;border-radius:8px;}
 .nav-links a.is-active::after{left:12px;right:auto;width:26px;bottom:6px;}
 .page-hero{padding:40px 0 52px;}
 .hero-layout{grid-template-columns:1fr;gap:28px;}
 .poster{max-width:360px;margin:0 auto;}
 .hero-actions{gap:12px;}
 .section{padding:54px 0;}
 .grid-3,.grid-2{grid-template-columns:1fr;}
 .article-item{grid-template-columns:1fr;gap:14px;}
 .article-item .thumb{aspect-ratio:16/9;}
 .article-item .go{display:none;}
 .assure{grid-template-columns:1fr;}
 .sticky-bar{display:flex;}
 body{padding-bottom:64px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .brand{font-size:15px;}
 .brand span:last-child{max-width:170px;overflow:hidden;text-overflow:ellipsis;}
 .nav-actions .btn-sm{padding:7px 12px;font-size:13px;}
 .hero-eyebrow{font-size:12px;padding:5px 12px;}
 .hero-lead{font-size:14.5px;}
 .stat-strip{grid-template-columns:1fr;}
 .stat b{font-size:26px;}
 .card{padding:22px 18px;}
 .cta-band{padding:28px 18px;}
 .form-card{padding:18px;}
 .section-head{gap:12px;}
 .more-link{font-size:13.5px;}
 .timeline{padding-left:28px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
 .sticky-bar span{max-width:58%;}
}