/* roulang page: index */
:root{
  --red:#8c1f1f;
  --red-deep:#5e1313;
  --red-mid:#741818;
  --gold:#d4af37;
  --gold-dark:#b8860b;
  --gold-light:#e8c87a;
  --bg:#f7f2e7;
  --bg-alt:#efe6d5;
  --paper:#fffdf7;
  --ink:#3a3428;
  --muted:#8a8070;
  --line:rgba(176,142,72,.32);
  --line-strong:rgba(212,175,55,.8);
  --radius:12px;
  --radius-lg:16px;
  --shadow-sm:0 2px 12px rgba(88,54,20,.08);
  --shadow-md:0 12px 30px rgba(88,54,20,.15);
  --shadow-lg:0 20px 48px rgba(56,10,10,.32);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  padding-bottom:74px;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.35;margin:0;letter-spacing:.2px}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--gold-dark)}
ul,ol{list-style:none;margin:0;padding:0}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
::selection{background:rgba(212,175,55,.4);color:var(--red-deep)}

.container{width:min(1180px,calc(100% - 48px));margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:8px;font-size:15px;font-weight:600;line-height:1.2;
  padding:13px 26px;border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
  background:linear-gradient(135deg,#e0c25c 0%,#d4af37 42%,#b8860b 100%);
  color:#fff;text-shadow:0 1px 1px rgba(86,56,0,.35);
  box-shadow:0 6px 18px rgba(184,134,11,.36);
}
.btn-gold:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,134,11,.5)}
.btn-gold:active{transform:translateY(0);box-shadow:0 4px 12px rgba(184,134,11,.4)}
.btn-outline{background:rgba(255,253,247,.06);color:var(--gold-light);border-color:rgba(212,175,55,.62)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;border-color:var(--gold);transform:translateY(-2px)}
.btn-ghost{color:var(--gold-light);border-color:rgba(212,175,55,.45);background:transparent}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff;border-color:var(--gold)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%;margin-top:16px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,#8c1f1f 0%,#741818 100%);
  border-bottom:1px solid rgba(212,175,55,.48);
  box-shadow:0 3px 18px rgba(56,8,8,.32);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff}
.brand-mark{width:30px;height:30px;color:var(--gold);flex-shrink:0}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.6px;color:#fff;white-space:nowrap}
.brand:hover .brand-text{color:var(--gold-light)}

.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{position:relative;display:inline-block;padding:20px 15px;font-size:15px;color:#f2e5cb;letter-spacing:.3px}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:11px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#e3c04f,#b8860b);
  transform:scaleX(0);transform-origin:center;transition:transform .26s ease;
}
.nav-link:hover{color:var(--gold-light)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--gold)}

.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid rgba(212,175,55,.5);border-radius:8px;
  align-items:center;justify-content:center;color:var(--gold);flex-shrink:0;
}
.nav-toggle:hover{background:rgba(212,175,55,.14)}
.nav-toggle svg{width:20px;height:20px}

.mobile-nav{
  display:none;background:#6b1717;border-top:1px solid rgba(212,175,55,.35);
  box-shadow:inset 0 6px 16px rgba(0,0,0,.25);
}
.mobile-nav.is-open{display:block}
.mobile-nav .container{padding:8px 0 16px}
.mobile-nav a{
  display:block;padding:13px 2px;color:#f2e5cb;font-size:15px;
  border-bottom:1px dashed rgba(212,175,55,.24);
}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--gold);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#8c1f1f 0%,#6d1717 52%,#5e1313 100%);
  padding:66px 0 78px;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.18;filter:saturate(.7);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 15px);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
.hero-tag{
  display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;letter-spacing:3px;
  color:var(--gold-light);border:1px solid rgba(212,175,55,.6);background:rgba(212,175,55,.1);
}
.hero h1{
  font-size:clamp(30px,3.5vw,42px);line-height:1.32;margin:20px 0 0;color:#fff;
  text-shadow:0 2px 12px rgba(0,0,0,.28);
}
.hero-lead{margin-top:20px;max-width:580px;color:#f0e3c9;font-size:16px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips li{
  padding:6px 16px;border-radius:6px;font-size:13px;letter-spacing:1px;
  color:var(--gold-light);background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.42);
}

.hero-tiers{display:grid;gap:14px}
.tier-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tier-card{
  position:relative;background:rgba(255,253,247,.97);color:var(--ink);
  border:1px solid rgba(212,175,55,.5);border-radius:14px;padding:20px 20px 22px;
  box-shadow:0 12px 30px rgba(40,5,5,.3);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.tier-card:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 18px 38px rgba(40,5,5,.4)}
.tier-card h3{font-size:17px;color:var(--red);margin-bottom:8px}
.tier-card p{font-size:14px;line-height:1.78;color:var(--muted)}
.tier-card.is-featured{
  border:2px solid var(--gold);
  background:linear-gradient(180deg,#fffdf5 0%,#fdf3da 100%);
  box-shadow:0 20px 44px rgba(40,5,5,.44);
  padding:26px 24px 24px;
}
.tier-badge{
  position:absolute;top:-13px;left:22px;padding:4px 14px;border-radius:999px;font-size:12px;
  letter-spacing:2px;color:#fff;background:linear-gradient(135deg,#e0c25c,#b8860b);
  box-shadow:0 6px 14px rgba(184,134,11,.45);
}
.tier-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:2px}
.tier-head h2{font-size:22px;color:var(--red)}
.tier-meta{font-size:13px;color:var(--muted)}
.tier-list{margin-top:14px;display:grid;gap:9px}
.tier-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.7;color:#4a4132}
.tier-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,#e3c04f,#b8860b);transform:rotate(45deg);
}

/* ---------- 通用板块 ---------- */
main{display:block}
.section{padding:78px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:linear-gradient(160deg,#5e1313 0%,#8c1f1f 100%);color:#f4e7cd}
.section--dark .sec-desc{color:rgba(244,231,205,.75)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px}
.sec-head>div{max-width:780px}
.sec-title{
  position:relative;padding-left:17px;font-size:clamp(22px,2.5vw,30px);color:var(--red);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,#e3c04f,#b8860b);
}
.section--dark .sec-title{color:#fff}
.sec-desc{margin-top:12px;padding-left:17px;color:var(--muted);font-size:15px;line-height:1.9}
.sec-more{
  display:inline-flex;align-items:center;gap:7px;flex-shrink:0;padding-bottom:5px;
  font-size:14px;font-weight:600;color:var(--gold-dark);
  border-bottom:1px solid rgba(212,175,55,.5);transition:.24s ease;
}
.sec-more::after{content:"›";font-size:19px;line-height:1;transform:translateY(-1px)}
.sec-more:hover{color:var(--red);border-color:var(--red)}

/* ---------- 卖点三连 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.point-card{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 26px 30px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.point-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:0;transition:opacity .26s ease;
}
.point-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.point-card:hover::before{opacity:1}
.point-icon{width:44px;height:44px;color:var(--gold-dark);margin-bottom:18px}
.point-card h3{font-size:19px;color:var(--red);margin-bottom:10px}
.point-card p{font-size:14.5px;line-height:1.85;color:#4d4436}

/* ---------- 图文分栏 + 编号列表 ---------- */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center}
.split-media{
  position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:2px solid rgba(212,175,55,.55);box-shadow:var(--shadow-md);background:#2b0a0a;
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.4;transition:transform .6s ease}
.split-media:hover img{transform:scale(1.04)}

.num-list{display:grid;gap:18px;counter-reset:none}
.num-list li{
  position:relative;display:flex;gap:16px;padding:20px 22px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.num-list li:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.num{
  flex-shrink:0;font-family:var(--serif);font-size:24px;font-weight:700;line-height:1;
  color:var(--gold-dark);padding-top:2px;
}
.num-list h3{font-size:17px;color:var(--red);margin-bottom:6px}
.num-list p{font-size:14.5px;line-height:1.8;color:#4d4436}

/* ---------- 场景演示 ---------- */
.demo-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:stretch}
.demo-steps,.demo-panel{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 30px;box-shadow:var(--shadow-sm);
}
.demo-panel{
  background:linear-gradient(170deg,#5e1313 0%,#7c1c1c 100%);
  border-color:rgba(212,175,55,.55);color:#f4e7cd;box-shadow:var(--shadow-md);
}
.demo-sub{font-size:18px;color:var(--red);margin-bottom:20px}
.demo-panel .demo-sub{color:var(--gold-light)}
.step-line{display:grid;gap:16px}
.step-line li{display:flex;gap:14px;font-size:14.5px;line-height:1.75;color:#4d4436}
.step-line span{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#d4af37,#b8860b);box-shadow:0 4px 10px rgba(184,134,11,.4);
}
.stat-rows{display:grid;gap:2px;margin-bottom:24px}
.stat-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px dashed rgba(212,175,55,.28);font-size:14px;
}
.stat-row:last-child{border-bottom:0}
.stat-row span{color:rgba(244,231,205,.75)}
.stat-row strong{font-family:var(--serif);font-size:17px;color:var(--gold-light);letter-spacing:.5px}

.bar-chart{display:flex;align-items:flex-end;gap:10px;height:96px;padding-top:8px}
.bar-chart .bar{
  flex:1;border-radius:5px 5px 0 0;
  background:linear-gradient(180deg,#e8c87a,#b8860b);
  box-shadow:0 4px 12px rgba(184,134,11,.35);
  transition:transform .3s ease;
}
.bar-chart .bar:hover{transform:scaleY(1.06);transform-origin:bottom}

/* ---------- 三步上手 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px 30px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.step-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.step-no{
  position:absolute;top:-6px;right:14px;font-family:var(--serif);font-size:62px;font-weight:700;
  color:rgba(212,175,55,.18);line-height:1;
}
.step-card h3{position:relative;font-size:19px;color:var(--red);margin-bottom:10px;padding-left:14px}
.step-card h3::before{
  content:"";position:absolute;left:0;top:7px;width:5px;height:16px;border-radius:2px;
  background:linear-gradient(180deg,#e3c04f,#b8860b);
}
.step-card p{position:relative;font-size:14.5px;line-height:1.85;color:#4d4436}

/* ---------- 多端入口 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.device-card{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.device-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.seal{
  position:absolute;top:-1px;left:-1px;width:36px;height:36px;display:grid;place-items:center;
  font-family:var(--serif);font-size:14px;letter-spacing:1px;color:#f2d68a;
  background:var(--red);border:1px solid var(--gold);
  border-radius:11px 0 11px 0;box-shadow:inset 0 0 0 2px rgba(212,175,55,.28);
}
.device-card h3{font-size:18px;color:var(--red);margin:14px 0 10px}
.device-card p{font-size:14.5px;line-height:1.82;color:#4d4436}
.device-card ul{margin-top:14px;display:grid;gap:8px}
.device-card li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.7;color:var(--muted)}
.device-card li::before{
  content:"";position:absolute;left:2px;top:8px;width:7px;height:7px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.18);
}

/* ---------- 前后对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  border-radius:var(--radius-lg);padding:32px 30px;border:1px solid var(--line);
  background:var(--paper);box-shadow:var(--shadow-sm);
}
.compare-col h3{font-size:19px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.compare-col--before h3{color:#7c6f5c}
.compare-col--before{background:#f3ecdd}
.compare-col--after{
  border:2px solid var(--gold);background:linear-gradient(180deg,#fffdf5,#fdf3da);
  box-shadow:var(--shadow-md);
}
.compare-col--after h3{color:var(--red);border-bottom-color:rgba(212,175,55,.5)}
.compare-col ul{display:grid;gap:13px}
.compare-col li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.78;color:#4d4436}
.compare-col li::before{
  position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:700;line-height:1;
}
.compare-col--before li::before{content:"×";color:#8a8070;background:#e6ddc9}
.compare-col--after li::before{content:"✓";color:#fff;background:linear-gradient(135deg,#d4af37,#b8860b)}

/* ---------- 数据指标 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.stat-cell{
  text-align:center;padding:28px 16px;border-radius:var(--radius);
  background:rgba(255,253,247,.07);border:1px solid rgba(212,175,55,.38);
  transition:background .26s ease,border-color .26s ease,transform .26s ease;
}
.stat-cell:hover{background:rgba(255,253,247,.12);border-color:var(--gold);transform:translateY(-3px)}
.stat-cell strong{
  display:block;font-family:var(--serif);font-size:clamp(28px,3.4vw,38px);font-weight:700;
  color:var(--gold-light);line-height:1.2;letter-spacing:1px;
}
.stat-cell span{display:block;margin-top:8px;font-size:13.5px;color:rgba(244,231,205,.78);letter-spacing:1px}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.review-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.review-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.review-quote{font-size:14.5px;line-height:1.85;color:#4d4436;flex:1}
.review-meta{display:flex;align-items:center;gap:10px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  font-family:var(--serif);font-size:16px;color:#fff;
  background:linear-gradient(135deg,#8c1f1f,#5e1313);border:1px solid var(--gold);
}
.review-name{font-size:14px;font-weight:600;color:var(--red);line-height:1.4}
.review-tag{font-size:12.5px;color:var(--muted);line-height:1.4}

/* ---------- 运行环境 ---------- */
.env-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.env-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-sm);
}
.env-card h3{font-size:18px;color:var(--red);margin-bottom:16px;padding-left:14px;position:relative}
.env-card h3::before{
  content:"";position:absolute;left:0;top:6px;width:5px;height:16px;border-radius:2px;
  background:linear-gradient(180deg,#e3c04f,#b8860b);
}
.env-card ul{display:grid;gap:12px}
.env-card li{position:relative;padding-left:20px;font-size:14.5px;line-height:1.8;color:#4d4436}
.env-card li::before{
  content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,#e3c04f,#b8860b);transform:rotate(45deg);
}

/* ---------- 内容日历 ---------- */
.calendar-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.calendar-row{
  display:flex;align-items:center;gap:22px;padding:18px 26px;border-bottom:1px dashed var(--line);
  transition:background .22s ease;
}
.calendar-row:last-child{border-bottom:0}
.calendar-row:hover{background:#fdf7e7}
.calendar-date{
  flex-shrink:0;font-family:var(--serif);font-size:16px;font-weight:700;color:var(--gold-dark);
  letter-spacing:1px;width:62px;
}
.calendar-title{font-size:15px;font-weight:600;color:var(--red);min-width:190px}
.calendar-desc{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.news-thumb{margin:0;overflow:hidden;aspect-ratio:16/10;background:#e8dfcb}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;color:var(--red);line-height:1.55;margin-bottom:10px}
.news-body p{font-size:14px;line-height:1.8;color:#5a5142;flex:1}
.news-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);letter-spacing:.5px}

/* ---------- 常见疑问 ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 26px;position:relative;
  font-family:var(--serif);font-size:16.5px;font-weight:700;color:var(--red);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--gold-dark);border-bottom:2px solid var(--gold-dark);
  transform:translateY(-70%) rotate(45deg);transition:transform .26s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:var(--gold-dark)}
.faq-answer{padding:0 26px 22px;font-size:14.5px;line-height:1.9;color:#4d4436;border-top:1px dashed var(--line);padding-top:16px;margin-top:0}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(84,17,17,.97);border-top:1px solid rgba(212,175,55,.55);
  box-shadow:0 -6px 24px rgba(40,5,5,.35);padding:11px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.sticky-text{font-size:14.5px;color:#f0e3c9;line-height:1.5}
.sticky-text b{color:var(--gold-light);font-family:var(--serif);font-size:15.5px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,#5e1313 0%,#4a0f0f 100%);
  border-top:1px solid rgba(212,175,55,.6);color:#e7d9bd;padding:58px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:44px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(231,217,189,.72);max-width:340px}
.footer-col h3{
  font-size:16px;color:var(--gold-light);margin-bottom:16px;position:relative;padding-left:13px;
}
.footer-col h3::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:15px;border-radius:2px;
  background:linear-gradient(180deg,#e3c04f,#b8860b);
}
.footer-col ul{display:grid;gap:11px}
.footer-col li a{font-size:14px;color:rgba(231,217,189,.8);transition:.22s ease}
.footer-col li a:hover{color:var(--gold-light);padding-left:3px}
.copyright{font-size:13.5px;line-height:1.9;color:rgba(231,217,189,.66);word-break:break-all}
.footer-bottom{
  border-top:1px solid rgba(212,175,55,.24);padding:18px 0 22px;background:rgba(0,0,0,.14);
}
.footer-bottom p{font-size:13px;color:rgba(231,217,189,.58);text-align:center;line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-link{padding:20px 11px;font-size:14.5px}
  .nav-link::after{left:11px;right:11px}
  .review-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:980px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .hero{padding:52px 0 62px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-lead{max-width:none}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{aspect-ratio:16/10}
  .demo-grid{grid-template-columns:1fr}
  .point-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:1fr}
  .device-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .env-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
}

@media (max-width:768px){
  .container{width:calc(100% - 32px)}
  .section{padding:54px 0}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15px}
  .point-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .calendar-row{flex-wrap:wrap;gap:6px 16px;padding:16px 20px}
  .calendar-title{min-width:0}
  .calendar-desc{width:100%}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;text-align:center}
  .sticky-text{font-size:13.5px}
  .sticky-cta .btn{width:100%}
  body{padding-bottom:112px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
}

@media (max-width:520px){
  .tier-row{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{padding:12px 20px;font-size:14.5px}
  .demo-steps,.demo-panel{padding:24px 20px}
  .compare-col{padding:24px 20px}
  .env-card{padding:24px 20px}
  .point-card{padding:26px 20px}
  .faq-item summary{padding:18px 48px 18px 20px;font-size:15.5px}
  .faq-answer{padding-left:20px;padding-right:20px}
  .brand-text{font-size:17px}
}

/* roulang page: category2 */
:root{
 --red:#8c1f1f;
 --red-deep:#5e1313;
 --red-mid:#741818;
 --gold:#d4af37;
 --gold-dark:#b8860b;
 --gold-light:#e8c87a;
 --bg:#f7f2e7;
 --bg-alt:#efe6d5;
 --paper:#fffdf7;
 --ink:#3a3428;
 --muted:#8a8070;
 --line:rgba(176,142,72,.32);
 --line-strong:rgba(212,175,55,.8);
 --radius:12px;
 --radius-lg:16px;
 --shadow-sm:0 2px 12px rgba(88,54,20,.08);
 --shadow-md:0 12px 30px rgba(88,54,20,.15);
 --shadow-lg:0 20px 48px rgba(56,10,10,.32);
 --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
 --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:var(--sans);
 font-size:16px;
 line-height:1.8;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
 padding-bottom:80px;
}
h1,h2,h3,h4{font-family:var(--serif);margin:0;line-height:1.36;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--gold-dark)}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:8px;font-size:15px;font-weight:600;line-height:1.2;
 padding:13px 26px;border:1px solid transparent;white-space:nowrap;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
 background:linear-gradient(135deg,#e0c25c 0%,#d4af37 42%,#b8860b 100%);
 color:#fff;text-shadow:0 1px 1px rgba(86,56,0,.35);
 box-shadow:0 6px 18px rgba(184,134,11,.36);
}
.btn-gold:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,134,11,.5)}
.btn-gold:active{transform:translateY(0);box-shadow:0 4px 12px rgba(184,134,11,.4)}
.btn-outline{background:rgba(255,253,247,.06);color:var(--gold-light);border-color:rgba(212,175,55,.62)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;border-color:var(--gold);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%;margin-top:16px}

/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:linear-gradient(180deg,#8c1f1f 0%,#741818 100%);
 border-bottom:1px solid rgba(212,175,55,.48);
 box-shadow:0 3px 18px rgba(56,8,8,.32);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff}
.brand-mark{width:30px;height:30px;color:var(--gold);flex-shrink:0}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.6px;color:#fff;white-space:nowrap}
.brand:hover .brand-text{color:var(--gold-light)}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{position:relative;display:inline-block;padding:20px 15px;font-size:15px;color:#f2e5cb;letter-spacing:.3px}
.nav-link::after{
 content:"";position:absolute;left:15px;right:15px;bottom:11px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#e3c04f,#b8860b);
 transform:scaleX(0);transform-origin:center;transition:transform .26s ease;
}
.nav-link:hover{color:var(--gold-light)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--gold)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
 display:none;width:40px;height:40px;border:1px solid rgba(212,175,55,.5);border-radius:8px;
 align-items:center;justify-content:center;color:var(--gold);flex-shrink:0;
}
.nav-toggle:hover{background:rgba(212,175,55,.14)}
.nav-toggle svg{width:20px;height:20px}
.mobile-nav{
 display:none;background:#6b1717;border-top:1px solid rgba(212,175,55,.35);
 box-shadow:inset 0 6px 16px rgba(0,0,0,.25);
}
.mobile-nav.is-open{display:block}
.mobile-nav .container{padding:8px 0 16px}
.mobile-nav a{display:block;padding:13px 2px;color:#f2e5cb;font-size:15px;border-bottom:1px dashed rgba(212,175,55,.24)}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--gold);font-weight:600}

/* ---------- Hero ---------- */
.hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#6d1717 54%,#5e1313 100%);
 padding:60px 0 68px;
}
.hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/33e20f201d91b4d7.webp');
 background-size:cover;background-position:center;
 opacity:.15;filter:saturate(.7);pointer-events:none;
}
.hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 16px);
}
.hero .container{position:relative;z-index:2}
.hero-bento{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.hero-tag{
 display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;letter-spacing:2px;
 color:var(--gold-light);border:1px solid rgba(212,175,55,.6);background:rgba(212,175,55,.1);
}
.hero h1{
 font-size:clamp(29px,3.4vw,42px);line-height:1.34;margin:20px 0 0;color:#fff;
 text-shadow:0 2px 12px rgba(0,0,0,.3);
}
.hero-lead{margin-top:18px;max-width:560px;color:#f0e3c9;font-size:16px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-chips li{
 padding:6px 16px;border-radius:6px;font-size:13px;letter-spacing:1px;
 color:var(--gold-light);background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.42);
}
.bento-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bento-media{
 grid-column:1 / -1;margin:0;border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid rgba(212,175,55,.7);box-shadow:0 16px 38px rgba(40,5,5,.42);
}
.bento-media img{width:100%;height:196px;object-fit:cover;display:block}
.mini-card{
 background:rgba(255,253,247,.97);color:var(--ink);border:1px solid rgba(212,175,55,.5);
 border-radius:14px;padding:18px 18px 20px;box-shadow:0 12px 28px rgba(40,5,5,.3);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.mini-card:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 18px 36px rgba(40,5,5,.4)}
.mini-card h3{font-size:16px;color:var(--red);margin-bottom:10px}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
.tier-list li{
 display:flex;align-items:baseline;justify-content:space-between;gap:10px;
 font-size:13.5px;color:#5a5245;padding:5px 0;border-bottom:1px dashed rgba(176,142,72,.28);
}
.tier-list li:last-child{border-bottom:0}
.tier-list b{font-family:var(--serif);color:var(--gold-dark);font-size:15px}
.hero-cta-bar{
 margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
 padding:16px 22px;border-radius:var(--radius);border:1px solid rgba(212,175,55,.45);
 background:rgba(212,175,55,.12);
}
.hero-cta-bar p{color:#f5e8cb;font-size:14.5px;letter-spacing:.3px}
.hero-cta-bar p b{color:var(--gold-light);font-family:var(--serif)}

/* ---------- 区块通用 ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-title{
 position:relative;padding-left:18px;font-size:clamp(22px,2.5vw,30px);color:var(--red);
}
.section-title::before{
 content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
 background:linear-gradient(180deg,#e3c04f,#b8860b);
}
.section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:660px}
.more-link{
 display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--gold-dark);
 padding-bottom:2px;border-bottom:1px solid rgba(212,175,55,.5);transition:color .22s ease,border-color .22s ease;
}
.more-link:hover{color:var(--red);border-color:var(--red)}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
 position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:52px 24px 26px;box-shadow:var(--shadow-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.card h3{font-size:18px;color:var(--red);margin-bottom:10px}
.card p{font-size:15px;color:#544c3f;line-height:1.85}
.card .card-note{margin-top:14px;font-size:13.5px;color:var(--muted)}
.seal{
 position:absolute;top:14px;left:22px;width:34px;height:34px;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(180deg,#a22424,#8c1f1f);
 color:var(--gold-light);font-family:var(--serif);font-size:16px;font-weight:700;
 border:1px solid var(--gold);border-radius:4px;box-shadow:0 4px 10px rgba(140,31,31,.35);
}
.card-line{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.pill{
 display:inline-block;font-size:12.5px;padding:4px 12px;border-radius:999px;
 color:var(--gold-dark);background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.45);
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.split-media{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:2px solid rgba(212,175,55,.55);box-shadow:var(--shadow-md)}
.split-media img{width:100%;height:100%;min-height:280px;object-fit:cover}
.step-list{margin-top:24px}
.step-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed rgba(176,142,72,.32)}
.step-list li:last-child{border-bottom:0;padding-bottom:0}
.step-num{
 flex-shrink:0;width:34px;height:34px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,#e0c25c,#b8860b);color:#fff;font-weight:700;font-size:15px;
 box-shadow:0 4px 12px rgba(184,134,11,.34);
}
.step-list h4{font-size:16.5px;color:var(--red);margin-bottom:4px}
.step-list p{font-size:14.5px;color:#544c3f;line-height:1.8}

/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.stat{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 18px;text-align:center;box-shadow:var(--shadow-sm);
 transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.stat:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.stat b{display:block;font-family:var(--serif);font-size:34px;color:var(--gold-dark);line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--muted);letter-spacing:.5px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{
 background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .26s ease,box-shadow .26s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote p{font-size:15px;color:#4d463a;line-height:1.9}
.quote footer{margin-top:14px;font-size:13.5px;color:var(--muted);font-family:var(--serif)}

/* ---------- 对比表 ---------- */
.table-wrap{
 overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
 background:var(--paper);box-shadow:var(--shadow-sm);
}
.compare-table{width:100%;border-collapse:collapse;min-width:600px}
.compare-table thead th{
 background:linear-gradient(180deg,#8c1f1f,#741818);color:#f6e7c8;
 font-family:var(--serif);font-size:15px;letter-spacing:.6px;text-align:left;
 padding:15px 20px;border-bottom:1px solid rgba(212,175,55,.5);
}
.compare-table td{
 padding:14px 20px;font-size:15px;color:#4d463a;border-bottom:1px solid rgba(176,142,72,.2);vertical-align:top;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:rgba(212,175,55,.09)}
.compare-table td:first-child{color:var(--muted);width:20%;font-weight:600}
.compare-table td.best{color:var(--red);font-weight:600}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
 display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.news-card img{width:100%;height:170px;object-fit:cover}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-tag{
 align-self:flex-start;font-size:12px;padding:3px 11px;border-radius:999px;
 color:var(--gold-dark);background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.45);
}
.news-body h3{font-size:17px;color:var(--red);line-height:1.5}
.news-body p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:940px}
.faq-item{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 24px;box-shadow:var(--shadow-sm);transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
 position:relative;list-style:none;cursor:pointer;padding:18px 34px 18px 0;
 font-family:var(--serif);font-size:17px;color:var(--red);font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 font-family:var(--sans);font-size:22px;font-weight:400;color:var(--gold-dark);
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:16px 0 22px;border-top:1px dashed rgba(176,142,72,.35);font-size:15px;color:#4d463a;line-height:1.9}

/* ---------- 保障条 ---------- */
.guard{
 background:linear-gradient(135deg,#8c1f1f 0%,#6d1717 60%,#5e1313 100%);
 border:1px solid rgba(212,175,55,.5);border-radius:var(--radius-lg);
 padding:40px 38px;box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.guard-item h3{font-size:18px;color:var(--gold-light);margin-bottom:8px}
.guard-item p{font-size:14.5px;color:#f0e3c9;line-height:1.85}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:linear-gradient(90deg,#8c1f1f 0%,#741818 55%,#5e1313 100%);
 border-top:1px solid rgba(212,175,55,.65);
 box-shadow:0 -8px 26px rgba(40,6,6,.32);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 0}
.sticky-inner p{color:#f2e5cb;font-size:14.5px;line-height:1.5}
.sticky-inner p b{color:var(--gold-light);font-family:var(--serif)}

/* ---------- 页脚 ---------- */
.site-footer{
 background:linear-gradient(180deg,#7a1a1a,#5e1313);
 color:#e9d9bb;border-top:1px solid var(--gold);
 padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:42px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text{font-size:19px;color:#fff}
.footer-brand p{margin-top:14px;color:#d6c3a2;font-size:14.5px;line-height:1.85;max-width:420px}
.footer-col h3,.footer-brand h3{
 color:var(--gold-light);font-size:16px;margin-bottom:14px;font-family:var(--serif);letter-spacing:.5px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#dcc9a6;font-size:14.5px}
.footer-col a:hover{color:var(--gold)}
.copyright{color:#c6b08c;font-size:13.5px;line-height:1.75}
.footer-bottom{border-top:1px solid rgba(212,175,55,.3);background:rgba(0,0,0,.16);padding:18px 0}
.footer-bottom p{text-align:center;color:#bda684;font-size:13px;letter-spacing:.4px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-bento{grid-template-columns:1fr;gap:28px}
 .bento-media img{height:220px}
 .split{grid-template-columns:1fr;gap:30px}
 .card-grid,.quote-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid-4,.stat-grid{grid-template-columns:repeat(2,1fr)}
 .guard{grid-template-columns:1fr;gap:20px;padding:32px 26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
 .main-nav{display:none}
 .nav-toggle{display:flex}
 .nav-actions .btn{display:none}
 .nav-wrap{justify-content:space-between}
 .brand-text{font-size:17px}
}
@media (max-width:768px){
 .container{width:calc(100% - 36px)}
 .section{padding:56px 0}
 .hero{padding:46px 0 54px}
 .card-grid,.card-grid-4,.quote-grid,.news-grid,.stat-grid{grid-template-columns:1fr}
 .hero-cta-bar{flex-direction:column;align-items:flex-start}
 .section-head{flex-direction:column;align-items:flex-start;gap:10px}
 .compare-table{min-width:560px}
}
@media (max-width:520px){
 .brand-text{font-size:15.5px;letter-spacing:.2px}
 .brand-mark{width:26px;height:26px}
 .hero h1{font-size:26px}
 .hero-lead{font-size:15px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn{width:100%}
 .btn{padding:12px 20px;font-size:14.5px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;padding:12px 0}
 .sticky-inner .btn{width:100%}
 .guard{padding:26px 20px}
 body{padding-bottom:112px}
}

/* roulang page: category1 */
:root{
 --red:#8c1f1f;
 --red-deep:#5e1313;
 --red-mid:#741818;
 --gold:#d4af37;
 --gold-dark:#b8860b;
 --gold-light:#e8c87a;
 --bg:#f7f2e7;
 --bg-alt:#efe6d5;
 --paper:#fffdf7;
 --ink:#3a3428;
 --muted:#8a8070;
 --line:rgba(176,142,72,.32);
 --line-strong:rgba(212,175,55,.8);
 --radius:12px;
 --radius-lg:16px;
 --shadow-sm:0 2px 12px rgba(88,54,20,.08);
 --shadow-md:0 12px 30px rgba(88,54,20,.15);
 --shadow-lg:0 20px 48px rgba(56,10,10,.32);
 --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
 --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:var(--sans);
 font-size:16px;
 line-height:1.8;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
 padding-bottom:82px;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--gold-dark)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:8px;font-size:15px;font-weight:600;line-height:1.2;
 padding:13px 26px;border:1px solid transparent;white-space:nowrap;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
 background:linear-gradient(135deg,#e0c25c 0%,#d4af37 42%,#b8860b 100%);
 color:#fff;text-shadow:0 1px 1px rgba(86,56,0,.35);
 box-shadow:0 6px 18px rgba(184,134,11,.36);
}
.btn-gold:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,134,11,.5)}
.btn-gold:active{transform:translateY(0);box-shadow:0 4px 12px rgba(184,134,11,.4)}
.btn-outline{background:rgba(255,253,247,.06);color:var(--gold-light);border-color:rgba(212,175,55,.62)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;border-color:var(--gold);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:8px}

/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:linear-gradient(180deg,#8c1f1f 0%,#741818 100%);
 border-bottom:1px solid rgba(212,175,55,.48);
 box-shadow:0 3px 18px rgba(56,8,8,.32);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff}
.brand-mark{width:30px;height:30px;color:var(--gold);flex-shrink:0}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.6px;color:#fff;white-space:nowrap}
.brand:hover .brand-text{color:var(--gold-light)}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{position:relative;display:inline-block;padding:20px 15px;font-size:15px;color:#f2e5cb;letter-spacing:.3px}
.nav-link::after{
 content:"";position:absolute;left:15px;right:15px;bottom:11px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#e3c04f,#b8860b);
 transform:scaleX(0);transform-origin:center;transition:transform .26s ease;
}
.nav-link:hover{color:var(--gold-light)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--gold)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
 display:none;width:40px;height:40px;border:1px solid rgba(212,175,55,.5);border-radius:8px;
 align-items:center;justify-content:center;color:var(--gold);flex-shrink:0;
}
.nav-toggle:hover{background:rgba(212,175,55,.14)}
.nav-toggle svg{width:20px;height:20px}
.mobile-nav{
 display:none;background:#6b1717;border-top:1px solid rgba(212,175,55,.35);
 box-shadow:inset 0 6px 16px rgba(0,0,0,.25);
}
.mobile-nav.is-open{display:block}
.mobile-nav .container{padding:8px 0 16px}
.mobile-nav a{
 display:block;padding:13px 2px;color:#f2e5cb;font-size:15px;
 border-bottom:1px dashed rgba(212,175,55,.24);
}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--gold);font-weight:600}
.mobile-nav a:hover{color:var(--gold-light)}

/* ---------- 页面横幅（浅色矮横幅） ---------- */
.page-hero{
 position:relative;overflow:hidden;
 background:linear-gradient(180deg,#f9f5ec 0%,#efe6d5 100%);
 border-bottom:1px solid var(--line);
 padding:34px 0 52px;
}
.page-hero::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:url('/assets/images/cc20487af7c0653c.webp') center/cover no-repeat;
 opacity:.07;
}
.page-hero::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
 background:linear-gradient(90deg,transparent,rgba(212,175,55,.9),transparent);
}
.page-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--gold-dark)}
.crumbs i{font-style:normal;color:rgba(176,142,72,.7)}
.crumbs b{font-weight:600;color:var(--gold-dark)}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
 font-size:13px;letter-spacing:2px;color:var(--red);
 background:rgba(212,175,55,.16);border:1px solid rgba(212,175,55,.55);
}
.page-hero h1{
 font-family:var(--serif);
 font-size:clamp(25px,3vw,36px);
 line-height:1.4;font-weight:700;
 color:var(--red-deep);
 margin:16px 0 0;
}
.page-hero .lead{margin-top:16px;color:#585141;font-size:15.5px;line-height:1.95;max-width:660px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chips li{
 padding:6px 15px;border-radius:6px;font-size:13px;color:var(--red);
 background:var(--paper);border:1px solid var(--line-strong);
}
.hero-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid var(--line-strong);box-shadow:var(--shadow-md);background:var(--paper);
}
.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 12px;
 font-size:13px;color:#f4e8cd;
 background:linear-gradient(180deg,rgba(94,19,19,0) 0%,rgba(94,19,19,.92) 62%);
}
.hero-seal{
 position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:6px;
 font-family:var(--serif);font-size:13px;letter-spacing:1px;
 color:var(--gold-light);background:rgba(140,31,31,.94);border:1px solid var(--gold);
}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--paper);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 22px;border-right:1px dashed rgba(176,142,72,.32)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--serif);font-size:31px;line-height:1.15;color:var(--gold-dark);font-weight:700}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--muted);letter-spacing:.5px}

/* ---------- 通用板块 ---------- */
.section{padding:66px 0}
.section-alt{background:var(--bg-alt)}
.section-head{
 display:flex;align-items:flex-end;justify-content:space-between;
 gap:18px;flex-wrap:wrap;margin-bottom:30px;
}
.section-title{
 position:relative;padding-left:16px;
 font-family:var(--serif);font-weight:700;
 font-size:clamp(21px,2.3vw,27px);line-height:1.4;color:var(--red);
}
.section-title::before{
 content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;
 background:linear-gradient(180deg,var(--gold),var(--gold-dark));
}
.section-sub{margin-top:10px;padding-left:16px;font-size:14.5px;color:var(--muted);max-width:760px}
.more-link{
 display:inline-flex;align-items:center;gap:6px;
 font-size:14px;font-weight:600;color:var(--gold-dark);
 border-bottom:1px solid rgba(184,134,11,.4);padding-bottom:2px;
}
.more-link:hover{color:var(--red);border-bottom-color:var(--red)}
.more-link svg{width:14px;height:14px}

/* ---------- 卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
 position:relative;
 background:var(--paper);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:30px 22px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.card-seal{
 position:absolute;top:-1px;left:-1px;
 width:42px;height:42px;display:grid;place-items:center;
 font-family:var(--serif);font-size:17px;font-weight:700;
 color:var(--gold-light);
 background:linear-gradient(135deg,#a32626,#701414);
 border:1px solid var(--gold);
 border-radius:var(--radius) 0 14px 0;
}
.card h3{font-family:var(--serif);font-size:18px;color:var(--red);margin-bottom:10px;line-height:1.5}
.card p{font-size:14.5px;color:#585141;line-height:1.85}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
 display:inline-block;padding:3px 11px;border-radius:999px;
 font-size:12.5px;color:var(--gold-dark);
 background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.45);
}

/* ---------- 倍率速查表 ---------- */
.rate-table{
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 background:var(--paper);box-shadow:var(--shadow-sm);margin-top:8px;
}
.rate-row{
 display:grid;grid-template-columns:1.05fr .9fr 1.15fr 1.65fr;gap:14px;
 align-items:center;padding:16px 24px;
 border-bottom:1px dashed rgba(176,142,72,.28);
 transition:background .22s ease;
}
.rate-row:last-child{border-bottom:0}
.rate-row:not(.rate-head):hover{background:rgba(212,175,55,.08)}
.rate-head{
 background:linear-gradient(180deg,#8c1f1f,#741818);
 color:var(--gold-light);font-size:13.5px;letter-spacing:1.5px;font-weight:600;
 border-bottom:1px solid rgba(212,175,55,.45);
}
.rate-name{font-family:var(--serif);font-size:16px;font-weight:700;color:var(--red)}
.rate-val{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--gold-dark)}
.rate-desc{font-size:14px;color:#585141}
.rate-note{
 display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;
 padding:16px 20px;border-radius:var(--radius);
 background:rgba(212,175,55,.1);border:1px dashed rgba(212,175,55,.55);
 font-size:14px;color:#6a6252;
}
.rate-note strong{color:var(--red)}

/* ---------- 图文分段 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid var(--line-strong);box-shadow:var(--shadow-md);background:var(--paper);
}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.split-body .lead-sm{font-size:15px;color:#585141;margin-top:14px}
.steps{display:grid;gap:14px;margin-top:24px}
.step{
 display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;
 padding:18px 20px;background:var(--paper);
 border:1px solid var(--line);border-radius:var(--radius);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.step-no{
 width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
 font-family:var(--serif);font-size:16px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,#b02b2b,#7a1717);border:1px solid var(--gold);
}
.step h4{font-family:var(--serif);font-size:16.5px;color:var(--red);margin-bottom:6px}
.step p{font-size:14.5px;color:#5c5545;line-height:1.85}
.step em{font-style:normal;color:var(--gold-dark);font-weight:600}

/* ---------- 误判对比 ---------- */
.compare{
 display:grid;grid-template-columns:1fr 1fr;
 border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;background:var(--paper);box-shadow:var(--shadow-sm);
}
.compare-col{display:flex;flex-direction:column}
.compare-col + .compare-col{border-left:1px solid var(--line)}
.compare-head{
 padding:15px 24px;font-family:var(--serif);font-size:16px;font-weight:700;letter-spacing:1px;
}
.compare-head.bad{background:#f4e6df;color:#8c1f1f;border-bottom:1px solid var(--line)}
.compare-head.good{background:#f7efd8;color:#7a5a10;border-bottom:1px solid var(--line)}
.compare li{
 padding:15px 24px;font-size:14.5px;line-height:1.8;color:#544d3e;
 border-bottom:1px dashed rgba(176,142,72,.24);
}
.compare li:last-child{border-bottom:0}
.compare-col.bad li::before{content:"×";color:#a8473e;font-weight:700;margin-right:9px}
.compare-col.good li::before{content:"✓";color:var(--gold-dark);font-weight:700;margin-right:9px}

/* ---------- 技巧笔记 ---------- */
.notes{display:grid;gap:16px}
.note{
 display:grid;grid-template-columns:168px 1fr;gap:22px;align-items:center;
 padding:16px;background:var(--paper);
 border:1px solid var(--line);border-radius:var(--radius);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.note:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.note-thumb{border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.note-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.note-body h4{font-family:var(--serif);font-size:17px;color:var(--red);margin-bottom:8px}
.note-body p{font-size:14.5px;color:#5c5545;line-height:1.85}
.note-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:12.5px;color:var(--muted)}
.note-meta span{padding:2px 10px;border-radius:999px;background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.4);color:var(--gold-dark)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:6px}
.faq-item{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 22px;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.faq-item summary{
 list-style:none;cursor:pointer;
 padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-weight:600;font-size:15.5px;color:var(--red);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;font-size:20px;line-height:1;color:var(--gold-dark);
 transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 0 20px;font-size:14.5px;color:#5c5545;line-height:1.9}

/* ---------- 收口转化区 ---------- */
.cta-band{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#6d1717 54%,#5e1313 100%);
 border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
 padding:58px 0;
}
.cta-band::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:url('/assets/images/9adfcb6adacb5d4a.webp') center/cover no-repeat;opacity:.14;
}
.cta-band::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 16px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-inner h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);line-height:1.45;color:#fff}
.cta-inner p{margin-top:12px;font-size:15px;color:#f0e3c9;max-width:640px;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 固定转化条 ---------- */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(94,19,19,.97);
 border-top:1px solid rgba(212,175,55,.6);
 box-shadow:0 -8px 24px rgba(56,10,10,.35);
 padding:12px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-inner p{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin:0;font-size:14px;color:#f0e3c9}
.sticky-inner strong{font-family:var(--serif);font-size:15px;color:var(--gold-light)}
.sticky-inner span{font-size:13px;color:#cbb794}

/* ---------- 页脚 ---------- */
.site-footer{
 background:linear-gradient(180deg,#741818,#5e1313);
 color:#f0e3c9;border-top:1px solid rgba(212,175,55,.7);
 padding:52px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:44px;padding-bottom:38px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#e2d3b4;max-width:34em}
.site-footer h3{font-family:var(--serif);font-size:16px;font-weight:700;color:var(--gold-light);margin:0 0 14px;letter-spacing:1px}
.footer-sub{margin-top:22px}
.site-footer ul{display:grid;gap:9px}
.site-footer li a{font-size:14.5px;color:#e8dcc4}
.site-footer li a:hover{color:var(--gold)}
.copyright{font-size:13.5px;line-height:1.8;color:#cbb794}
.footer-bottom{border-top:1px solid rgba(212,175,55,.28);background:rgba(0,0,0,.16);padding:16px 0}
.footer-bottom p{margin:0;text-align:center;font-size:13px;color:#c9b48f;letter-spacing:.5px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .page-hero-grid{grid-template-columns:1fr;gap:32px}
 .hero-figure{max-width:620px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:34px}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .stat:nth-child(2){border-right:0}
 .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px dashed rgba(176,142,72,.32)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
 .main-nav{display:none}
 .nav-actions{display:none}
 .nav-toggle{display:flex;margin-left:auto}
 .nav-wrap{gap:14px}
}
@media (max-width:768px){
 .section{padding:50px 0}
 .page-hero{padding:26px 0 40px}
 .rate-row{grid-template-columns:1fr 1fr;row-gap:6px;padding:16px 18px}
 .rate-head{display:none}
 .rate-row > div:first-child{grid-column:1 / -1;font-size:15px}
 .rate-row > div:not(:first-child)::before{
  content:attr(data-label);display:block;font-size:11.5px;letter-spacing:1px;
  color:var(--muted);margin-bottom:2px;
 }
 .compare{grid-template-columns:1fr}
 .compare-col + .compare-col{border-left:0;border-top:1px solid var(--line)}
 .note{grid-template-columns:1fr}
 .note-thumb img{aspect-ratio:16/9}
 .cta-inner{flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:30px}
}
@media (max-width:520px){
 .container{width:calc(100% - 32px)}
 body{font-size:15px;padding-bottom:86px}
 .grid-4,.grid-2{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr}
 .stat{border-right:0;border-bottom:1px dashed rgba(176,142,72,.32);padding:20px 18px}
 .stat:last-child{border-bottom:0}
 .card{padding:28px 18px 22px}
 .btn{width:100%}
 .nav-actions .btn,.sticky-inner .btn{width:auto}
 .sticky-inner p span{display:none}
 .hero-chips li{font-size:12.5px;padding:5px 12px}
 .cta-actions{width:100%}
 .compare li{padding:14px 18px;font-size:14px}
 .faq-item{padding:0 16px}
 .section-head{align-items:flex-start}
}

/* roulang page: category3 */
:root{
 --red:#8c1f1f;
 --red-deep:#5e1313;
 --red-mid:#741818;
 --gold:#d4af37;
 --gold-dark:#b8860b;
 --gold-light:#e8c87a;
 --bg:#f7f2e7;
 --bg-alt:#efe6d5;
 --paper:#fffdf7;
 --ink:#3a3428;
 --muted:#8a8070;
 --line:rgba(176,142,72,.32);
 --line-strong:rgba(212,175,55,.8);
 --radius:12px;
 --radius-lg:16px;
 --shadow-sm:0 2px 12px rgba(88,54,20,.08);
 --shadow-md:0 12px 30px rgba(88,54,20,.15);
 --shadow-lg:0 20px 48px rgba(56,10,10,.32);
 --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
 --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:var(--sans);
 font-size:16px;
 line-height:1.8;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
 padding-bottom:74px;
}
h1,h2,h3,h4{font-family:var(--serif);margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--gold-dark)}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:8px;font-size:15px;font-weight:600;line-height:1.2;
 padding:13px 26px;border:1px solid transparent;white-space:nowrap;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{
 background:linear-gradient(135deg,#e0c25c 0%,#d4af37 42%,#b8860b 100%);
 color:#fff;text-shadow:0 1px 1px rgba(86,56,0,.35);
 box-shadow:0 6px 18px rgba(184,134,11,.36);
}
.btn-gold:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,134,11,.5)}
.btn-gold:active{transform:translateY(0);box-shadow:0 4px 12px rgba(184,134,11,.4)}
.btn-outline{background:rgba(255,253,247,.06);color:var(--gold-light);border-color:rgba(212,175,55,.62)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;border-color:var(--gold);transform:translateY(-2px)}
.btn-ghost{color:var(--gold-light);border-color:rgba(212,175,55,.45);background:transparent}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff;border-color:var(--gold)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%;margin-top:16px}

/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:linear-gradient(180deg,#8c1f1f 0%,#741818 100%);
 border-bottom:1px solid rgba(212,175,55,.48);
 box-shadow:0 3px 18px rgba(56,8,8,.32);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff}
.brand-mark{width:30px;height:30px;color:var(--gold);flex-shrink:0}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.6px;color:#fff;white-space:nowrap}
.brand:hover .brand-text{color:var(--gold-light)}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{position:relative;display:inline-block;padding:20px 15px;font-size:15px;color:#f2e5cb;letter-spacing:.3px}
.nav-link::after{
 content:"";position:absolute;left:15px;right:15px;bottom:11px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#e3c04f,#b8860b);
 transform:scaleX(0);transform-origin:center;transition:transform .26s ease;
}
.nav-link:hover{color:var(--gold-light)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--gold)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
 display:none;width:40px;height:40px;border:1px solid rgba(212,175,55,.5);border-radius:8px;
 align-items:center;justify-content:center;color:var(--gold);flex-shrink:0;
}
.nav-toggle:hover{background:rgba(212,175,55,.14)}
.nav-toggle svg{width:20px;height:20px}
.mobile-nav{
 display:none;background:#6b1717;border-top:1px solid rgba(212,175,55,.35);
 box-shadow:inset 0 6px 16px rgba(0,0,0,.25);
}
.mobile-nav.is-open{display:block}
.mobile-nav .container{padding:8px 0 16px}
.mobile-nav a{
 display:block;padding:13px 2px;color:#f2e5cb;font-size:15px;
 border-bottom:1px dashed rgba(212,175,55,.24);
}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--gold);font-weight:600}
.mobile-nav .btn{
 margin-top:14px;padding:13px 20px;border-bottom:0;color:#fff;text-align:center;
}
.mobile-nav .btn:hover{color:#fff}

/* ---------- Hero ---------- */
.hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#6d1717 52%,#5e1313 100%);
 padding:62px 0 72px;
}
.hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.17;filter:saturate(.7);pointer-events:none;
}
.hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 15px);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero-tag{
 display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;letter-spacing:3px;
 color:var(--gold-light);border:1px solid rgba(212,175,55,.6);background:rgba(212,175,55,.1);
}
.hero h1{
 font-size:clamp(28px,3.4vw,42px);line-height:1.32;margin:20px 0 0;color:#fff;
 text-shadow:0 2px 12px rgba(0,0,0,.28);
}
.hero-lead{margin-top:20px;max-width:600px;color:#f0e3c9;font-size:16px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips li{
 padding:6px 16px;border-radius:6px;font-size:13px;letter-spacing:1px;
 color:var(--gold-light);background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.42);
}
.hero-panel{
 position:relative;overflow:hidden;text-align:center;
 background:linear-gradient(160deg,rgba(94,19,19,.94),rgba(58,9,9,.97));
 border:2px solid rgba(212,175,55,.72);
 border-radius:var(--radius-lg);
 padding:30px 26px 26px;
 box-shadow:var(--shadow-lg);
}
.hero-panel::before{
 content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
 width:120px;height:3px;border-radius:0 0 4px 4px;
 background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.panel-eyebrow{font-size:13px;letter-spacing:2px;color:var(--gold-light)}
.ring{
 --p:0;width:142px;height:142px;margin:18px auto 0;border-radius:50%;position:relative;
 display:grid;place-items:center;
 background:conic-gradient(var(--gold) calc(var(--p) * 1%), rgba(212,175,55,.16) 0);
 box-shadow:0 0 0 6px rgba(212,175,55,.08);
}
.ring-inner{
 width:120px;height:120px;border-radius:50%;
 background:linear-gradient(160deg,#5b1414,#380b0b);
 border:1px solid rgba(212,175,55,.35);
 display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
}
.ring-time{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--gold-light);letter-spacing:1px;font-variant-numeric:tabular-nums}
.ring-label{font-size:12px;color:rgba(232,200,122,.75);letter-spacing:2px}
.panel-points{margin:24px 0 4px;display:grid;gap:12px;text-align:left}
.panel-points li{position:relative;padding-left:22px;font-size:14.5px;color:#f0e3c9;line-height:1.7}
.panel-points li::before{
 content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;border-radius:2px;
 background:var(--gold);transform:rotate(45deg);
}
.panel-note{margin-top:12px;font-size:12.5px;color:rgba(232,200,122,.7);line-height:1.7}

/* ---------- 通用板块 ---------- */
.section{padding:74px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;flex-wrap:wrap;margin-bottom:38px}
.section-title{position:relative;padding-left:18px;font-size:clamp(22px,2.5vw,30px);color:var(--red-deep)}
.section-title::before{
 content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;
 background:linear-gradient(180deg,#e0c25c,#b8860b);
}
.section-sub{margin-top:12px;color:var(--muted);font-size:15px;max-width:660px}
.link-more{
 display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
 color:var(--gold-dark);border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more:hover{border-color:var(--gold-dark)}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
 position:relative;background:var(--paper);border:1px solid var(--line);
 border-radius:var(--radius);padding:32px 24px 26px;
 box-shadow:var(--shadow-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.card h3{font-size:18px;color:var(--red);margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.9}
.seal{
 position:absolute;top:-13px;left:22px;width:42px;height:42px;border-radius:8px;
 background:linear-gradient(160deg,#a32626,#7a1717);border:1px solid var(--gold);
 color:var(--gold-light);font-family:var(--serif);font-size:17px;font-weight:700;
 display:grid;place-items:center;box-shadow:0 6px 14px rgba(120,20,20,.28);
}

/* ---------- 三步 ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
 position:relative;background:var(--paper);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:30px 24px 28px;box-shadow:var(--shadow-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.big-num{font-family:var(--serif);font-size:40px;font-weight:700;color:rgba(212,175,55,.42);line-height:1}
.step-card h3{font-size:18px;color:var(--red-deep);margin:14px 0 10px}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.9}
.step-card .tip{
 display:inline-block;margin-top:16px;font-size:12.5px;color:var(--gold-dark);
 background:rgba(212,175,55,.13);border:1px solid rgba(212,175,55,.4);
 border-radius:999px;padding:4px 12px;
}

/* ---------- 数据条 ---------- */
.data-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.data-item{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
 transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.data-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.data-num{font-family:var(--serif);font-size:32px;font-weight:700;color:var(--gold-dark);line-height:1.1}
.data-num small{font-size:15px;margin-left:4px;color:var(--muted);font-weight:400;font-family:var(--sans)}
.data-label{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ---------- 引用 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.quote{
 background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold);
 border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.quote p{font-size:15px;color:var(--ink);line-height:1.9}
.quote cite{display:block;margin-top:16px;font-style:normal;font-size:13.5px;color:var(--muted)}

/* ---------- 图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid rgba(212,175,55,.7);box-shadow:var(--shadow-md);
}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.figure .caption{
 position:absolute;left:0;right:0;bottom:0;
 background:linear-gradient(180deg,rgba(56,10,10,0),rgba(56,10,10,.88));
 color:#f2e5cb;font-size:13px;padding:34px 18px 14px;letter-spacing:.5px;
}
.step-list{display:grid;gap:18px;margin-top:24px}
.step-item{display:flex;gap:14px;align-items:flex-start}
.step-num{
 flex:0 0 auto;width:34px;height:34px;border-radius:50%;
 background:linear-gradient(150deg,#e0c25c,#b8860b);color:#fff;
 font-family:var(--serif);font-size:15px;font-weight:700;
 display:grid;place-items:center;box-shadow:0 4px 10px rgba(184,134,11,.35);
}
.step-item h4{font-size:16px;color:var(--red-deep);margin-bottom:4px}
.step-item p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow-sm);
}
.compare-col.is-best{
 background:linear-gradient(180deg,#fffdf7,#fdf5e3);
 border-color:var(--line-strong);box-shadow:var(--shadow-md);
}
.compare-col h3{font-size:19px;color:var(--red);display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-col .col-note{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.compare-list li{
 display:flex;gap:10px;padding:13px 0;font-size:14.5px;line-height:1.8;
 border-bottom:1px dashed rgba(176,142,72,.28);color:var(--ink);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.mk{
 flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:.45em;
 display:grid;place-items:center;font-size:11px;font-weight:700;
}
.mk-no{background:rgba(138,128,112,.16);color:var(--muted)}
.mk-yes{background:linear-gradient(150deg,#e0c25c,#b8860b);color:#fff}

/* ---------- 文章卡片 ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{
 display:flex;flex-direction:column;overflow:hidden;
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.article-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.article-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e7dcc6}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.article-card:hover .article-thumb img{transform:scale(1.05)}
.tag{
 position:absolute;top:12px;left:12px;font-size:12px;padding:4px 11px;border-radius:999px;
 background:rgba(140,31,31,.92);color:#f6e4b8;border:1px solid rgba(212,175,55,.5);
}
.article-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-body h3{font-size:17.5px;color:var(--red-deep)}
.article-body p{font-size:14.5px;color:var(--muted);flex:1;line-height:1.85}
.article-meta{font-size:12.5px;color:var(--gold-dark);letter-spacing:.5px}

/* ---------- 多端 + 时间线 ---------- */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.mini-grid{display:grid;gap:16px;margin-top:22px}
.mini-card{
 display:flex;gap:14px;align-items:flex-start;
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.mini-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.mini-icon{
 flex:0 0 auto;width:38px;height:38px;border-radius:10px;
 background:rgba(140,31,31,.08);border:1px solid rgba(176,142,72,.4);
 display:grid;place-items:center;color:var(--red);
}
.mini-icon svg{width:20px;height:20px}
.mini-card h4{font-size:15.5px;color:var(--red-deep);margin-bottom:3px}
.mini-card p{font-size:13.8px;color:var(--muted);line-height:1.8}
.timeline{margin-top:22px;padding-left:6px}
.timeline li{
 position:relative;padding:0 0 22px 26px;border-left:1px solid rgba(176,142,72,.4);
}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.timeline li::before{
 content:"";position:absolute;left:-6px;top:.55em;width:11px;height:11px;border-radius:50%;
 background:var(--gold);border:2px solid var(--paper);box-shadow:0 0 0 2px rgba(212,175,55,.35);
}
.timeline h4{font-size:15.5px;color:var(--red-deep);margin-bottom:4px}
.timeline p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq details{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 22px;box-shadow:var(--shadow-sm);
 transition:border-color .24s ease,box-shadow .24s ease;
}
.faq details[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq summary{
 list-style:none;cursor:pointer;padding:18px 0;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-family:var(--serif);font-size:16.5px;color:var(--red-deep);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--red)}
.faq summary::after{
 content:"+";color:var(--gold-dark);font-family:var(--sans);font-size:20px;font-weight:700;
 line-height:1;transition:transform .24s ease,color .24s ease;
}
.faq details[open] summary::after{content:"−";color:var(--red)}
.faq-body{padding:0 0 20px;font-size:15px;line-height:1.95;color:var(--ink)}

/* ---------- 保障条 ---------- */
.guarantee{
 display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
 background:linear-gradient(135deg,#8c1f1f,#5e1313);
 border:1px solid rgba(212,175,55,.5);border-radius:var(--radius-lg);
 padding:38px 34px;box-shadow:var(--shadow-lg);color:#fff;
}
.guarantee h3{
 font-size:17px;color:var(--gold-light);display:flex;align-items:center;gap:10px;
 padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid rgba(212,175,55,.3);
}
.guarantee p{font-size:14.5px;color:#f0e3c9;line-height:1.85}
.g-icon{width:20px;height:20px;color:var(--gold);flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{
 position:relative;background:linear-gradient(180deg,#6b1717,#4d1010);
 border-top:1px solid rgba(212,175,55,.62);color:#f0e3c9;padding-top:52px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:42px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(240,227,201,.78);line-height:1.9;max-width:380px}
.footer-brand h3,.footer-col h3{
 font-size:15px;color:var(--gold);letter-spacing:1px;margin-bottom:14px;
}
.footer-brand h3{margin-top:24px}
.footer-brand ul li,.footer-col ul li{margin-bottom:10px}
.footer-brand ul a,.footer-col ul a{font-size:14px;color:rgba(240,227,201,.82)}
.footer-brand ul a:hover,.footer-col ul a:hover{color:var(--gold-light)}
.copyright{font-size:13px;color:rgba(232,200,122,.72);line-height:1.8}
.footer-bottom{border-top:1px solid rgba(212,175,55,.24);padding:16px 0}
.footer-bottom p{font-size:12.5px;color:rgba(232,200,122,.68);text-align:center;letter-spacing:.4px}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:linear-gradient(90deg,#7a1717,#5e1313);
 border-top:1px solid rgba(212,175,55,.6);
 box-shadow:0 -8px 26px rgba(56,10,10,.3);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0;min-height:74px}
.sticky-text strong{display:block;font-family:var(--serif);font-size:16px;color:var(--gold-light)}
.sticky-text span{display:block;font-size:12.5px;color:rgba(240,227,201,.75);margin-top:2px}
.sticky-actions{display:flex;gap:12px;flex-shrink:0}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{gap:36px}
 .card-grid,.steps-grid,.article-grid,.quote-grid,.data-strip{grid-template-columns:repeat(2,1fr)}
 .split,.dual,.compare{gap:30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
 .guarantee{grid-template-columns:1fr;gap:22px;padding:32px 26px}
}
@media (max-width:900px){
 .main-nav{display:none}
 .nav-toggle{display:flex}
 .nav-actions .btn-gold{display:none}
 .nav-wrap{gap:14px}
 .brand-text{font-size:17px}
}
@media (max-width:768px){
 .hero{padding:48px 0 56px}
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-lead{max-width:none}
 .hero-panel{max-width:460px;margin:0 auto;width:100%}
 .section{padding:54px 0}
 .section-head{margin-bottom:28px}
 .card-grid,.steps-grid,.article-grid,.quote-grid,.data-strip{grid-template-columns:1fr}
 .split,.dual,.compare{grid-template-columns:1fr;gap:28px}
 .footer-grid{grid-template-columns:1fr;gap:30px}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;padding:10px 0}
 .sticky-text{text-align:center}
 .sticky-actions .btn{flex:1}
 body{padding-bottom:112px}
}
@media (max-width:520px){
 .container{width:calc(100% - 32px)}
 .hero h1{font-size:26px}
 .hero-lead{font-size:15px}
 .hero-actions .btn{width:100%}
 .section{padding:44px 0}
 .section-title{font-size:21px}
 .card,.step-card{padding:26px 20px}
 .compare-col{padding:22px 18px}
 .hero-panel{padding:24px 18px 22px}
 .guarantee{padding:26px 20px}
 .footer-bottom p{font-size:12px}
}