/* roulang page: index */
:root{
  --red:#8c1f1f;
  --red-deep:#5e1313;
  --red-dark:#3f0d0d;
  --gold:#d4af37;
  --gold-dark:#b8860b;
  --gold-light:#e8c87a;
  --bg:#f7f2e7;
  --bg-alt:#efe6d5;
  --card:#fffdf8;
  --ink:#3a3428;
  --muted:#8a8070;
  --line:rgba(212,175,55,.38);
  --line-soft:rgba(212,175,55,.22);
  --radius:10px;
  --radius-lg:16px;
  --shadow:0 6px 20px rgba(94,19,19,.08);
  --shadow-hover:0 16px 34px rgba(94,19,19,.16);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.35}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#8c1f1f 0%,#781919 100%);
  border-bottom:1px solid rgba(212,175,55,.5);
  box-shadow:0 8px 22px rgba(60,12,12,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:8px;
  background:linear-gradient(135deg,#e8c87a,#d4af37 45%,#b8860b);
  color:#5e1313;font-family:var(--font-serif);font-weight:700;font-size:18px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.45),0 4px 10px rgba(0,0,0,.2);
}
.brand-text{font-family:var(--font-serif);font-weight:700;font-size:18px;color:#fff;letter-spacing:.5px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-chip{
  padding:6px 14px;border-radius:999px;font-size:14px;color:#f2e0bc;
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.nav-chip:hover{color:#fff;background:rgba(212,175,55,.18);border-color:rgba(212,175,55,.4)}
.nav-chip.active{
  color:#f6d98a;background:rgba(212,175,55,.16);
  border-color:rgba(212,175,55,.65);
  box-shadow:inset 0 -2px 0 0 var(--gold);
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:8px;border:1px solid rgba(212,175,55,.55);
  background:rgba(212,175,55,.12);color:#f6d98a;cursor:pointer;margin-left:auto;
}
.nav-toggle:hover{background:rgba(212,175,55,.22)}
.header-cta{flex-shrink:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:8px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;letter-spacing:.5px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-gold{
  background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;
  box-shadow:0 8px 18px rgba(184,134,11,.3);
}
.btn-gold:hover{transform:translateY(-2px);background:linear-gradient(135deg,#e2c052,#a97a09);box-shadow:0 14px 26px rgba(184,134,11,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#f6e2ae;border-color:rgba(212,175,55,.75)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fffdf8;color:var(--red);border-color:var(--line)}
.btn-light:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-dark{
  background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#f7e7bd;
  border:1px solid rgba(212,175,55,.55);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(94,19,19,.3)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:70px 0 78px;color:#fff;background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.15;filter:saturate(.85)}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 82% 12%,rgba(212,175,55,.22),transparent 52%),
             radial-gradient(circle at 8% 88%,rgba(212,175,55,.12),transparent 46%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;color:var(--gold-light);
  border:1px solid rgba(212,175,55,.55);padding:4px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:42px;font-weight:700;margin:0 0 16px;color:#f6d98a;letter-spacing:1px;line-height:1.35}
.hero-sub{font-size:16px;color:var(--gold-light);margin:0 0 16px;line-height:1.8}
.hero-text{font-size:15px;line-height:1.95;color:rgba(255,244,222,.87);margin:0 0 26px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
  font-size:13px;background:rgba(212,175,55,.16);border:1px solid rgba(212,175,55,.55);color:#f6d98a;
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px;padding-top:20px;border-top:1px solid rgba(212,175,55,.28)}
.metric-num{font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--gold);line-height:1.2}
.metric-num span{font-size:13px;color:#f2e0bc;margin-left:3px;font-family:var(--font-sans);font-weight:400}
.metric-label{font-size:13px;color:rgba(242,224,188,.78);margin-top:2px}

.hero-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:stretch}
.cmp-card{
  background:rgba(247,242,231,.96);border-radius:var(--radius-lg);
  padding:22px 18px;border:1px solid rgba(212,175,55,.4);color:var(--ink);
}
.cmp-card.before{background:rgba(240,232,218,.94)}
.cmp-card.after{
  background:linear-gradient(160deg,#fffdf8,#f7ebcd);
  border:2px solid var(--gold);box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.cmp-badge{
  display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;
  letter-spacing:1px;margin-bottom:12px;font-weight:600;
}
.cmp-badge.gray{background:#e3d9c6;color:#8a8070}
.cmp-badge.gold{background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff}
.cmp-card h3{font-size:18px;margin:0 0 12px;color:#5e1313}
.cmp-card.after h3{color:var(--red)}
.cmp-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.cmp-card li{font-size:14px;line-height:1.7;padding-left:16px;position:relative;color:#4a4234}
.cmp-card.before li{color:#8a8070}
.cmp-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.cmp-card.before li::before{background:#c2b7a3}
.cmp-arrow{display:grid;place-items:center;color:var(--gold);font-size:22px;font-weight:700}

/* ============ 区块 ============ */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(150deg,#5e1313,#3f0d0d);color:#f4e7ca}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:36px;flex-wrap:wrap;
}
.sec-title-wrap{display:flex;align-items:flex-start;gap:14px}
.sec-bar{
  width:5px;min-height:30px;align-self:stretch;border-radius:3px;
  background:linear-gradient(180deg,#e8c87a,#b8860b);flex-shrink:0;
}
.sec-title{font-size:28px;font-weight:700;margin:0;color:var(--red)}
.section-dark .sec-title{color:#f6d98a}
.sec-desc{font-size:15px;color:var(--muted);margin:8px 0 0;max-width:54em;line-height:1.85}
.section-dark .sec-desc{color:rgba(244,231,202,.78)}
.more-link{
  font-size:14px;font-weight:600;color:var(--gold-dark);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid transparent;padding-bottom:2px;white-space:nowrap;
}
.more-link:hover{color:var(--red);border-bottom-color:var(--gold)}

/* ============ 卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 24px 26px;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.85);box-shadow:var(--shadow-hover)}
.stamp{
  position:absolute;top:-14px;left:22px;width:34px;height:34px;
  display:grid;place-items:center;background:var(--red);color:#f6d98a;
  border:2px solid var(--gold);border-radius:6px;font-family:var(--font-serif);
  font-size:15px;font-weight:700;box-shadow:0 6px 14px rgba(94,19,19,.22);
}
.card h3{font-size:19px;margin:0 0 12px;color:var(--red)}
.card p{margin:0;font-size:15px;line-height:1.85;color:#4d4538}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.mini-tag{
  font-size:12px;padding:3px 10px;border-radius:999px;color:#8a6a1e;
  background:rgba(212,175,55,.16);border:1px solid rgba(212,175,55,.45);
}
.case-card{padding-top:0;overflow:hidden}
.case-card img{width:100%;height:172px;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0}
.case-body{padding:22px 4px 0}
.case-quote{font-size:15px;line-height:1.85;color:#4d4538;margin:0 0 14px}
.case-person{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.case-dot{width:8px;height:8px;border-radius:50%;background:var(--gold)}

/* ============ 数据 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:26px 18px;text-align:center;transition:transform .3s ease,box-shadow .3s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-num{font-family:var(--font-serif);font-size:36px;font-weight:700;color:var(--gold-dark);line-height:1.1}
.stat-num span{font-size:15px;color:var(--red);margin-left:2px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px}

/* ============ 前后对比 ============ */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ba-panel{border-radius:14px;padding:30px 28px;border:1px solid var(--line);background:var(--card)}
.ba-panel.before{border-style:dashed;background:#f2ebdf;box-shadow:none}
.ba-panel.after{background:linear-gradient(160deg,#fffdf8,#f8eed4);border:2px solid var(--gold);box-shadow:var(--shadow)}
.ba-panel h3{font-size:20px;margin:0 0 6px;color:var(--red)}
.ba-panel.before h3{color:#8a8070}
.ba-cap{font-size:13px;color:var(--muted);margin:0 0 18px;letter-spacing:1px}
.ba-list{list-style:none;margin:0;padding:0}
.ba-list li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;line-height:1.75;color:#4d4538}
.ba-list li:last-child{margin-bottom:0}
.ba-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;
  border-radius:2px;background:var(--gold);transform:rotate(45deg);
}
.ba-panel.before .ba-list li{color:#8a8070}
.ba-panel.before .ba-list li::before{background:#c6bba7}

/* ============ 对比表 ============ */
.table-wrap{overflow-x:auto;border-radius:12px;box-shadow:var(--shadow)}
.cmp-table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);font-size:14px}
.cmp-table th{
  background:linear-gradient(180deg,#8c1f1f,#6e1717);color:#f6d98a;
  font-family:var(--font-serif);font-weight:600;padding:15px 18px;
  text-align:left;font-size:15px;white-space:nowrap;
}
.cmp-table td{padding:15px 18px;border-top:1px solid var(--line-soft);color:#4d4538;vertical-align:top}
.cmp-table tr.recommend td{background:rgba(212,175,55,.13)}
.cmp-table tr.recommend td:first-child{box-shadow:inset 3px 0 0 var(--gold)}
.badge-rec{
  display:inline-block;margin-left:8px;font-size:12px;padding:1px 8px;border-radius:999px;
  background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;vertical-align:middle;
}
.table-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.8}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:28px 24px;position:relative;transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{font-family:var(--font-serif);font-size:32px;font-weight:700;color:rgba(140,31,31,.16);line-height:1;margin-bottom:8px}
.step h3{font-size:18px;margin:0 0 10px;color:var(--red)}
.step p{margin:0;font-size:15px;line-height:1.85;color:#4d4538}

/* ============ 截图舞台 ============ */
.stage{
  background:linear-gradient(150deg,#8c1f1f,#5e1313);
  border-radius:18px;padding:30px;border:1px solid rgba(212,175,55,.45);
  box-shadow:0 20px 44px rgba(94,19,19,.22);
}
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stage-item{border-radius:12px;overflow:hidden;border:2px solid rgba(212,175,55,.6);background:#2a0b0b;transition:transform .3s ease}
.stage-item:hover{transform:translateY(-4px)}
.stage-item img{width:100%;aspect-ratio:4/3;object-fit:cover}
.stage-cap{padding:12px 14px;background:rgba(63,13,13,.86);color:#f2e0bc;font-size:13px;line-height:1.7;margin:0}

/* ============ 专题入口 ============ */
.topic-card{display:flex;flex-direction:column;justify-content:space-between;min-height:230px}
.topic-card h3{margin-top:8px}
.topic-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--gold-dark);
}
.topic-card:hover .topic-link{color:var(--red)}

/* ============ 资讯列表 ============ */
.news-list{display:grid;gap:18px}
.news-item{
  display:grid;grid-template-columns:190px 1fr;gap:0;background:var(--card);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(212,175,55,.8)}
.news-item img{width:100%;height:100%;object-fit:cover;min-height:150px}
.news-body{padding:20px 24px}
.news-body h3{font-size:18px;margin:0 0 8px;color:var(--red)}
.news-body p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}
.news-date{font-size:12px;color:var(--gold-dark);letter-spacing:1px;margin-bottom:6px;font-weight:600}

/* ============ 口碑 ============ */
.quote{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:12px;padding:24px 22px;transition:transform .3s ease,box-shadow .3s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.quote p{margin:0 0 14px;font-size:15px;line-height:1.85;color:#4d4538}
.quote-from{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.quote-from::before{content:"";width:18px;height:1px;background:var(--gold)}

/* ============ 折叠问答 ============ */
.faq-list{display:grid;gap:14px}
details.faq{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:0 24px;transition:border-color .25s ease,box-shadow .25s ease;
}
details.faq:hover{border-color:rgba(212,175,55,.75)}
details.faq[open]{border-color:var(--gold);box-shadow:var(--shadow)}
details.faq summary{
  list-style:none;cursor:pointer;padding:18px 0;font-weight:600;font-size:16px;
  color:var(--red-deep);display:flex;justify-content:space-between;gap:16px;align-items:center;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--gold-dark);font-size:20px;font-weight:700;line-height:1;transition:transform .25s ease}
details.faq[open] summary::after{content:"−"}
details.faq p{
  margin:0 0 20px;font-size:15px;line-height:1.9;color:var(--muted);
  border-top:1px dashed var(--line);padding-top:14px;
}

/* ============ 保障条 ============ */
.guard-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{
  display:flex;gap:12px;align-items:flex-start;background:rgba(255,253,248,.92);
  border:1px solid var(--line);border-radius:12px;padding:20px 18px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.guard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.guard-icon{
  width:30px;height:30px;flex-shrink:0;border-radius:8px;display:grid;place-items:center;
  background:rgba(212,175,55,.18);border:1px solid rgba(212,175,55,.55);
  color:var(--gold-dark);font-family:var(--font-serif);font-weight:700;font-size:15px;
}
.guard h4{margin:0 0 4px;font-size:15px;color:var(--red)}
.guard p{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}

/* ============ 咨询表单 ============ */
.consult-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.consult-points{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:14px}
.consult-points li{position:relative;padding-left:24px;font-size:15px;line-height:1.8;color:#4d4538}
.consult-points li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;
  border-radius:2px;background:var(--gold);transform:rotate(45deg);
}
.form-panel{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:32px 30px;box-shadow:var(--shadow);
}
.field{display:grid;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--red-deep)}
.field input,.field select{
  width:100%;padding:12px 14px;border:1px solid rgba(212,175,55,.5);
  border-radius:8px;background:#fdfaf1;font-size:15px;color:var(--ink);
  font-family:var(--font-sans);transition:border-color .25s ease,box-shadow .25s ease;
}
.field input:focus,.field select:focus{
  border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.2);outline:none;
}
.field input::placeholder{color:#b3a894}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.75}
.form-tip{
  display:none;margin-top:16px;padding:12px 16px;border-radius:8px;
  background:rgba(212,175,55,.18);border:1px solid var(--line);
  color:var(--red-deep);font-size:14px;line-height:1.7;
}
.form-tip.show{display:block}

/* ============ 浮动转化条 ============ */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:linear-gradient(90deg,#5e1313,#8c1f1f);
  border-top:1px solid rgba(212,175,55,.55);
  box-shadow:0 -10px 26px rgba(0,0,0,.2);padding:10px 0;
}
.float-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.float-text{font-size:14px;color:#f6e2ae;line-height:1.6}
.float-text strong{color:#f6d98a;font-weight:700}
.float-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#5e1313,#3f0d0d);color:#e7d6b0;
  border-top:1px solid rgba(212,175,55,.55);padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:36px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;color:rgba(231,214,176,.76);line-height:1.9;margin:0;max-width:32em}
.footer-title{
  font-family:var(--font-serif);font-size:16px;color:#f6d98a;
  margin:0 0 16px;padding-left:12px;border-left:3px solid var(--gold);
}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(231,214,176,.82)}
.footer-links a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid rgba(212,175,55,.28);padding:18px 0 22px;
  font-size:13px;color:rgba(231,214,176,.6);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:34px}
  .grid-3,.grid-4,.steps,.stage-grid,.guard-bar{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .consult-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:768px){
  body{padding-bottom:78px}
  .header-inner{position:relative}
  .nav-toggle{display:inline-flex}
  .nav-tabs{
    position:absolute;top:64px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#781919;padding:14px 20px 18px;display:none;
    border-bottom:1px solid rgba(212,175,55,.45);
    box-shadow:0 14px 26px rgba(0,0,0,.28);
  }
  .nav-tabs.open{display:flex}
  .nav-chip{padding:10px 14px;border-radius:8px}
  .header-cta{display:none}
  .hero{padding:46px 0 54px}
  .hero h1{font-size:28px}
  .hero-text{font-size:14.5px}
  .hero-compare{grid-template-columns:1fr}
  .cmp-arrow{transform:rotate(90deg);padding:2px 0}
  .grid-3,.grid-4,.grid-2,.steps,.stage-grid,.guard-bar,.stats,.ba-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .sec-title{font-size:22px}
  .news-item{grid-template-columns:1fr}
  .news-item img{min-height:170px;height:170px}
  .news-body{padding:18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-text{font-size:13px}
  .float-actions .btn{padding:9px 16px;font-size:14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .hero h1{font-size:24px}
  .hero-metrics{gap:20px}
  .metric-num{font-size:22px}
  .card{padding:26px 18px 22px}
  .form-panel{padding:24px 20px}
  .stage{padding:18px}
  .float-inner{gap:10px}
  .float-text strong{display:block}
  .sec-head{gap:10px;margin-bottom:26px}
}

/* roulang page: category2 */
:root{
 --red:#8c1f1f;
 --red-deep:#5e1313;
 --red-dark:#3f0d0d;
 --gold:#d4af37;
 --gold-dark:#b8860b;
 --gold-light:#e8c87a;
 --bg:#f7f2e7;
 --bg-alt:#efe6d5;
 --card:#fffdf8;
 --ink:#3a3428;
 --muted:#8a8070;
 --line:rgba(212,175,55,.38);
 --line-soft:rgba(212,175,55,.22);
 --radius:10px;
 --radius-lg:16px;
 --shadow:0 6px 20px rgba(94,19,19,.08);
 --shadow-hover:0 16px 34px rgba(94,19,19,.16);
 --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
 --font-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font-sans);
 font-size:16px;
 line-height:1.8;
 color:var(--ink);
 background:var(--bg);
 padding-bottom:76px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--red);line-height:1.4;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:8px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;letter-spacing:.5px;
 transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-gold{background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;box-shadow:0 8px 18px rgba(184,134,11,.3)}
.btn-gold:hover{transform:translateY(-2px);background:linear-gradient(135deg,#e2c052,#a97a09);box-shadow:0 14px 26px rgba(184,134,11,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#f6e2ae;border-color:rgba(212,175,55,.75)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fffdf8;color:var(--red);border-color:var(--line)}
.btn-light:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ============ 头部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#8c1f1f 0%,#781919 100%);
 border-bottom:1px solid rgba(212,175,55,.5);
 box-shadow:0 8px 22px rgba(60,12,12,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;display:grid;place-items:center;border-radius:8px;
 background:linear-gradient(135deg,#e8c87a,#d4af37 45%,#b8860b);
 color:#5e1313;font-family:var(--font-serif);font-weight:700;font-size:18px;
 box-shadow:inset 0 0 0 1px rgba(255,255,255,.45),0 4px 10px rgba(0,0,0,.2);
}
.brand-text{font-family:var(--font-serif);font-weight:700;font-size:18px;color:#fff;letter-spacing:.5px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-chip{
 padding:6px 14px;border-radius:999px;font-size:14px;color:#f2e0bc;
 border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.nav-chip:hover{color:#fff;background:rgba(212,175,55,.18);border-color:rgba(212,175,55,.4)}
.nav-chip.active{
 color:#f6d98a;background:rgba(212,175,55,.16);
 border-color:rgba(212,175,55,.65);
 box-shadow:inset 0 -2px 0 0 var(--gold);
}
.nav-toggle{
 display:none;align-items:center;justify-content:center;width:40px;height:40px;
 border-radius:8px;border:1px solid rgba(212,175,55,.55);
 background:rgba(212,175,55,.12);color:#f6d98a;cursor:pointer;margin-left:auto;
}
.nav-toggle:hover{background:rgba(212,175,55,.24)}
.header-cta{flex-shrink:0}

/* ============ 分类页页头 ============ */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%);
 padding:56px 0 66px;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14;filter:saturate(.85)}
.page-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(circle at 85% 8%,rgba(212,175,55,.22),transparent 54%),
            radial-gradient(circle at 6% 92%,rgba(212,175,55,.12),transparent 48%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,217,138,.72);margin-bottom:18px;letter-spacing:.5px}
.crumb a{color:rgba(246,217,138,.9)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span{color:rgba(255,244,222,.5)}
.hero-eyebrow{
 display:inline-block;font-size:13px;letter-spacing:2px;color:var(--gold-light);
 border:1px solid rgba(212,175,55,.55);padding:4px 14px;border-radius:999px;margin-bottom:16px;
}
.page-hero h1{font-size:38px;font-weight:700;color:#f6d98a;letter-spacing:1px;line-height:1.38;margin-bottom:16px}
.hero-lead{font-size:16px;line-height:1.95;color:rgba(255,244,222,.88);max-width:36em;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
 display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
 font-size:13px;background:rgba(212,175,55,.16);border:1px solid rgba(212,175,55,.55);color:#f6d98a;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{position:relative}
.hero-figure{
 margin:0;border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid var(--gold);box-shadow:0 24px 50px rgba(0,0,0,.34);
 background:#3f0d0d;
}
.hero-figure img{width:100%;height:300px;object-fit:cover}
.panel-stats{
 list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;
}
.panel-stats li{
 background:rgba(255,247,229,.1);border:1px solid rgba(212,175,55,.4);
 border-radius:10px;padding:12px 10px;text-align:center;
}
.panel-stats b{display:block;font-family:var(--font-serif);font-size:22px;color:#f6d98a;line-height:1.2}
.panel-stats small{display:block;font-size:12px;color:rgba(246,226,174,.78);margin-top:4px}

/* ============ 区块 ============ */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-title{
 display:flex;align-items:center;gap:12px;font-size:26px;font-weight:700;color:var(--red);letter-spacing:.5px;
}
.section-title::before{
 content:"";width:5px;height:26px;border-radius:2px;
 background:linear-gradient(180deg,#e8c87a,#b8860b);display:block;flex-shrink:0;
}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;max-width:56em}
.more-link{font-size:14px;color:var(--gold-dark);font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.more-link:hover{color:var(--red)}
.more-link svg{transition:transform .25s ease}
.more-link:hover svg{transform:translateX(4px)}

/* 主线 chips */
.topic-chips{display:flex;flex-wrap:wrap;gap:12px}
.topic-chip{
 display:inline-flex;align-items:center;gap:8px;
 padding:10px 20px;border-radius:999px;background:var(--card);
 border:1px solid var(--line);color:var(--red);font-size:14px;font-weight:600;
 box-shadow:var(--shadow);transition:all .25s ease;
}
.topic-chip i{font-style:normal;color:var(--gold-dark);font-family:var(--font-serif);font-weight:700}
.topic-chip:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:var(--shadow-hover);color:var(--gold-dark)}

/* 卡片矩阵 */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.topic-card{
 position:relative;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:30px 22px 24px;box-shadow:var(--shadow);
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
 overflow:hidden;
}
.topic-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.seal{
 position:absolute;top:0;left:0;width:42px;height:42px;display:grid;place-items:center;
 background:linear-gradient(135deg,#a32424,#7a1717);
 color:#f0d27a;border-right:1px solid var(--gold);border-bottom:1px solid var(--gold);
 border-radius:10px 0 12px 0;font-family:var(--font-serif);font-size:17px;font-weight:700;
}
.topic-card h3{font-size:18px;margin:6px 0 10px;color:var(--red)}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.85}
.card-foot{margin-top:16px;padding-top:12px;border-top:1px dashed var(--line-soft);font-size:13px;color:var(--gold-dark);font-weight:600}

/* 三步法 */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}
.split-figure{
 margin:0;border-radius:var(--radius-lg);overflow:hidden;border:2px solid var(--gold);
 box-shadow:var(--shadow-hover);background:#3f0d0d;
}
.split-figure img{width:100%;height:360px;object-fit:cover}
.fig-cap{font-size:13px;color:var(--muted);margin-top:10px;text-align:center}
.steps{list-style:none;display:grid;gap:16px;counter-reset:step}
.steps li{
 position:relative;padding:16px 18px 16px 62px;background:var(--card);
 border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
 transition:transform .25s ease,border-color .25s ease;
}
.steps li:hover{transform:translateX(4px);border-color:var(--gold)}
.steps li::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 position:absolute;left:16px;top:16px;width:32px;height:32px;display:grid;place-items:center;
 border-radius:8px;background:linear-gradient(135deg,#e8c87a,#d4af37 55%,#b8860b);
 color:#5e1313;font-family:var(--font-serif);font-weight:700;font-size:14px;
}
.steps h3{font-size:16px;margin-bottom:4px;color:var(--red)}
.steps p{font-size:14px;color:var(--muted);line-height:1.8}

/* 阶段列表 */
.phase-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.phase{
 display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.phase:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.phase-num{
 flex-shrink:0;width:52px;height:52px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#f6d98a;border:1px solid var(--gold);
 font-family:var(--font-serif);font-size:15px;font-weight:700;text-align:center;line-height:1.2;
}
.phase h3{font-size:17px;margin-bottom:6px;color:var(--red)}
.phase p{font-size:14px;color:var(--muted);line-height:1.85}

/* 对比 */
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.vs-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow);
}
.vs-card.pro{
 background:linear-gradient(165deg,#fffdf8,#f9efd8);
 border:2px solid var(--gold);box-shadow:var(--shadow-hover);
}
.vs-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.vs-head h3{font-size:19px}
.vs-badge{font-size:12px;padding:3px 12px;border-radius:999px;font-weight:600;letter-spacing:1px}
.vs-badge.gray{background:#e3d9c6;color:#8a8070}
.vs-badge.gold{background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff}
.vs-card ul{list-style:none;display:grid;gap:12px}
.vs-card li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.8;color:var(--ink)}
.vs-card li::before{
 content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:2px;
 background:linear-gradient(135deg,#e8c87a,#b8860b);transform:rotate(45deg);
}

/* 误区手风琴 */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq details[open]{border-color:var(--gold);box-shadow:var(--shadow-hover)}
.faq summary{
 list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
 font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--red);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:24px;height:24px;display:grid;place-items:center;border-radius:6px;
 background:rgba(212,175,55,.16);color:var(--gold-dark);font-size:18px;line-height:1;
}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 20px 20px;font-size:14.5px;color:var(--muted);line-height:1.95;border-top:1px dashed var(--line-soft);padding-top:16px;margin:0 20px 20px;padding-left:0;padding-right:0}

/* 笔记列表 */
.note-list{display:grid;gap:18px}
.note{
 display:grid;grid-template-columns:180px 1fr auto;gap:22px;align-items:center;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px;box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.note:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.note-thumb{border-radius:8px;overflow:hidden;border:1px solid var(--line-soft)}
.note-thumb img{width:100%;height:110px;object-fit:cover}
.note h3{font-size:17px;margin-bottom:6px;color:var(--red)}
.note p{font-size:14px;color:var(--muted);line-height:1.8}
.note-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.mini-tag{
 font-size:12px;padding:3px 10px;border-radius:999px;color:var(--gold-dark);
 background:rgba(212,175,55,.12);border:1px solid var(--line);
}
.note-arrow{
 width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
 border:1px solid var(--line);color:var(--gold-dark);background:#fffdf8;flex-shrink:0;
}
.note:hover .note-arrow{background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;border-color:transparent}

/* 转化区 */
.consult{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%);
 padding:60px 0;
}
.consult::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(circle at 90% 10%,rgba(212,175,55,.2),transparent 50%);
}
.consult-inner{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
.consult h2{font-size:28px;color:#f6d98a;margin-bottom:14px;letter-spacing:.5px}
.consult p{font-size:15px;line-height:1.95;color:rgba(255,244,222,.86);margin-bottom:18px}
.consult-points{list-style:none;display:grid;gap:12px}
.consult-points li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(255,244,222,.9)}
.consult-points li::before{
 content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:2px;
 background:linear-gradient(135deg,#e8c87a,#b8860b);transform:rotate(45deg);
}
.consult-form{
 background:rgba(255,250,238,.97);border:2px solid var(--gold);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:0 24px 50px rgba(0,0,0,.3);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:13px;font-weight:600;color:var(--red);margin-bottom:6px;letter-spacing:.5px}
.field input,.field select,.field textarea{
 width:100%;padding:11px 14px;border-radius:8px;border:1px solid var(--line);
 background:#fffdf8;color:var(--ink);font-size:14px;font-family:inherit;
 transition:border-color .25s ease,box-shadow .25s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.22);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-done{
 display:none;margin-top:14px;padding:10px 14px;border-radius:8px;font-size:13.5px;
 background:rgba(140,31,31,.08);border:1px solid var(--line);color:var(--red);
}
.form-done.show{display:block}

/* 底部固定转化条 */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:linear-gradient(90deg,#5e1313,#8c1f1f 60%,#7a1717);
 border-top:1px solid var(--gold);
 box-shadow:0 -8px 24px rgba(60,12,12,.28);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 24px}
.sticky-text{font-size:14px;color:#f2e0bc;line-height:1.6}
.sticky-text b{color:#f6d98a;font-family:var(--font-serif);font-size:15px;margin-right:8px}

/* ============ 页脚 ============ */
.site-footer{
 background:linear-gradient(180deg,#5e1313,#3f0d0d);
 border-top:1px solid var(--gold);
 color:#e9d9b6;padding:52px 0 22px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(212,175,55,.28)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(233,217,182,.78);max-width:36em}
.footer-title{font-size:16px;color:#f6d98a;margin-bottom:14px;letter-spacing:1px}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(233,217,182,.82)}
.footer-links a:hover{color:var(--gold-light);text-decoration:underline}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding-top:18px;font-size:13px;color:rgba(233,217,182,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px}
 .hero-figure img{height:260px}
 .page-hero h1{font-size:32px}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:30px}
 .split-figure img{height:300px}
 .consult-inner{grid-template-columns:1fr;gap:30px}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .nav-tabs{
   position:absolute;top:64px;left:-24px;right:-24px;
   flex-direction:column;align-items:stretch;gap:4px;
   background:linear-gradient(180deg,#781919,#5e1313);
   border-bottom:1px solid rgba(212,175,55,.55);
   padding:12px 24px 18px;display:none;box-shadow:0 18px 30px rgba(40,8,8,.4);
 }
 .nav-tabs.open{display:flex}
 .nav-chip{padding:10px 14px;border-radius:8px}
 .header-cta{display:none}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:48px 0}
 .section-head{flex-direction:column;align-items:flex-start;gap:12px}
 .section-title{font-size:22px}
 .phase-list{grid-template-columns:1fr}
 .vs-grid{grid-template-columns:1fr}
 .note{grid-template-columns:1fr;gap:14px}
 .note-thumb img{height:160px}
 .note-arrow{display:none}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .panel-stats{grid-template-columns:repeat(3,1fr)}
 .form-row{grid-template-columns:1fr}
 .sticky-text{font-size:13px}
 .sticky-inner{padding:10px 18px}
}
@media (max-width:520px){
 .page-hero{padding:40px 0 48px}
 .page-hero h1{font-size:25px}
 .hero-lead{font-size:15px}
 .card-grid{grid-template-columns:1fr}
 .hero-figure img{height:200px}
 .split-figure img{height:210px}
 .consult h2{font-size:22px}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:8px;text-align:center}
 .sticky-bar .btn{width:100%}
 .brand-text{font-size:16px}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
 --red:#8c1f1f;
 --red-deep:#5e1313;
 --red-dark:#3f0d0d;
 --gold:#d4af37;
 --gold-dark:#b8860b;
 --gold-light:#e8c87a;
 --bg:#f7f2e7;
 --bg-alt:#efe6d5;
 --card:#fffdf8;
 --ink:#3a3428;
 --muted:#8a8070;
 --line:rgba(212,175,55,.38);
 --line-soft:rgba(212,175,55,.22);
 --radius:10px;
 --radius-lg:16px;
 --shadow:0 6px 20px rgba(94,19,19,.08);
 --shadow-hover:0 16px 34px rgba(94,19,19,.16);
 --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
 --font-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
html{scroll-behavior:smooth}
html body{
 margin:0;
 font-family:var(--font-sans);
 font-size:16px;
 line-height:1.8;
 color:var(--ink);
 background:var(--bg);
 padding-bottom:96px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease}
button{font-family:inherit}
div.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
/* ============ 头部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#8c1f1f 0%,#781919 100%);
 border-bottom:1px solid rgba(212,175,55,.5);
 box-shadow:0 8px 22px rgba(60,12,12,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;display:grid;place-items:center;border-radius:8px;
 background:linear-gradient(135deg,#e8c87a,#d4af37 45%,#b8860b);
 color:#5e1313;font-family:var(--font-serif);font-weight:700;font-size:18px;
 box-shadow:inset 0 0 0 1px rgba(255,255,255,.45),0 4px 10px rgba(0,0,0,.2);
}
.brand-text{font-family:var(--font-serif);font-weight:700;font-size:18px;color:#fff;letter-spacing:.5px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-chip{
 padding:6px 14px;border-radius:999px;font-size:14px;color:#f2e0bc;
 border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.nav-chip:hover{color:#fff;background:rgba(212,175,55,.18);border-color:rgba(212,175,55,.4)}
.nav-chip.active{
 color:#f6d98a;background:rgba(212,175,55,.16);
 border-color:rgba(212,175,55,.65);
 box-shadow:inset 0 -2px 0 0 var(--gold);
}
.nav-toggle{
 display:none;align-items:center;justify-content:center;width:40px;height:40px;
 border-radius:8px;border:1px solid rgba(212,175,55,.55);
 background:rgba(212,175,55,.12);color:#f6d98a;cursor:pointer;margin-left:auto;
 transition:background .25s ease;
}
.nav-toggle:hover{background:rgba(212,175,55,.22)}
.nav-toggle:focus-visible{outline:2px solid var(--gold-light);outline-offset:2px}
.header-cta{flex-shrink:0}
/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:8px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;letter-spacing:.5px;
 transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-gold{
 background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;
 box-shadow:0 8px 18px rgba(184,134,11,.3);
}
.btn-gold:hover{transform:translateY(-2px);background:linear-gradient(135deg,#e2c052,#a97a09);box-shadow:0 14px 26px rgba(184,134,11,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#f6e2ae;border-color:rgba(212,175,55,.75)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fffdf8;color:var(--red);border-color:var(--line)}
.btn-light:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-dark{
 background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#f7e7bd;
 border:1px solid rgba(212,175,55,.55);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(94,19,19,.3)}
.btn:focus-visible{outline:2px solid var(--gold-light);outline-offset:3px}
/* ============ 分类页 Hero ============ */
.page-hero{
 position:relative;overflow:hidden;
 padding:56px 0 60px;color:#fff;
 background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%);
}
.page-hero-bg{
 position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.jpg');
 background-size:cover;background-position:center;opacity:.14;
}
.page-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(circle at 84% 10%,rgba(212,175,55,.24),transparent 54%),
 radial-gradient(circle at 6% 92%,rgba(212,175,55,.12),transparent 48%);
}
.page-hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(232,200,122,.82);margin-bottom:20px}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.55}
.hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-eyebrow{
 display:inline-block;font-size:13px;letter-spacing:2px;color:var(--gold-light);
 border:1px solid rgba(212,175,55,.55);padding:4px 14px;border-radius:999px;margin-bottom:16px;
}
.hero-title{
 font-family:var(--font-serif);font-size:40px;line-height:1.38;font-weight:700;
 color:#f6d98a;margin:0 0 16px;letter-spacing:1px;
}
.hero-sub{font-size:16px;color:var(--gold-light);margin:0 0 14px;line-height:1.85}
.hero-text{font-size:15px;line-height:1.95;color:rgba(255,244,222,.88);margin:0 0 24px;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-visual img{
 width:100%;border-radius:var(--radius-lg);
 border:2px solid var(--gold);
 box-shadow:0 22px 46px rgba(0,0,0,.36);
 aspect-ratio:4/3;object-fit:cover;
}
.hero-badge{
 position:absolute;left:-14px;bottom:-16px;
 display:flex;align-items:center;gap:10px;
 background:linear-gradient(160deg,#fffdf8,#f5e9c9);
 border:1px solid var(--gold);
 border-radius:12px;padding:10px 16px;
 box-shadow:0 14px 30px rgba(0,0,0,.28);
}
.hero-badge-num{font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--gold-dark);line-height:1}
.hero-badge-txt{font-size:13px;color:var(--red);line-height:1.4}
/* 检查项勾选条 */
.check-bar{
 position:relative;z-index:2;margin-top:38px;
 display:grid;grid-template-columns:repeat(4,1fr);gap:0;
 background:rgba(255,253,248,.1);
 border:1px solid rgba(212,175,55,.42);
 border-radius:var(--radius-lg);
 backdrop-filter:blur(4px);
 overflow:hidden;
}
.check-item{display:flex;align-items:flex-start;gap:10px;padding:18px 20px;border-right:1px solid rgba(212,175,55,.2)}
.check-item:last-child{border-right:none}
.check-ico{
 flex-shrink:0;width:22px;height:22px;border-radius:50%;
 display:grid;place-items:center;margin-top:3px;
 background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;
 box-shadow:0 3px 8px rgba(0,0,0,.25);
}
.check-txt{font-size:14px;line-height:1.65;color:rgba(255,246,226,.94)}
/* ============ 通用 section ============ */
.section{padding:66px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{
 background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%);
 color:#fff;padding:60px 0;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.section-head-main{min-width:0}
.section-title{
 font-family:var(--font-serif);font-size:29px;font-weight:700;color:var(--red);
 margin:0;padding-left:16px;position:relative;line-height:1.4;
}
.section-title::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
 background:linear-gradient(180deg,var(--gold),var(--gold-dark));
}
.section-desc{margin:10px 0 0 16px;font-size:14px;color:var(--muted);line-height:1.8;max-width:52em}
.section-dark .section-title{color:#f6d98a}
.section-dark .section-desc{color:rgba(255,244,222,.78)}
.more-link{font-size:14px;font-weight:600;color:var(--gold-dark);white-space:nowrap;border-bottom:1px solid transparent;padding-bottom:2px}
.more-link:hover{color:var(--red);border-bottom-color:var(--gold)}
.section-dark .more-link{color:var(--gold-light)}
.section-dark .more-link:hover{color:#fff;border-bottom-color:var(--gold-light)}
/* ============ 卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.mode-card{
 position:relative;background:var(--card);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:30px 22px 24px;box-shadow:var(--shadow);
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.mode-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.seal{
 position:absolute;top:-13px;left:18px;
 width:36px;height:36px;border-radius:5px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,#8c1f1f,#5e1313);
 border:1px solid var(--gold);
 color:#f6d98a;font-family:var(--font-serif);font-weight:700;font-size:17px;
 box-shadow:0 6px 14px rgba(94,19,19,.3);
}
.mode-card h3{
 font-family:var(--font-serif);font-size:19px;color:var(--red);
 margin:0 0 10px;font-weight:700;letter-spacing:.5px;
}
.mode-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 16px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
 display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
 font-size:12px;background:rgba(212,175,55,.14);
 border:1px solid rgba(212,175,55,.45);color:var(--gold-dark);
}
/* ============ 流程时间线 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.flow-step{
 background:var(--card);border:1px solid var(--line-soft);
 border-radius:var(--radius);padding:24px 18px;
 box-shadow:var(--shadow);position:relative;
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.flow-num{
 font-family:var(--font-serif);font-size:24px;font-weight:700;
 color:var(--gold-dark);line-height:1;margin-bottom:12px;
}
.flow-step h4{font-size:16px;color:var(--red);margin:0 0 8px;font-weight:700}
.flow-step p{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0}
/* ============ 图文两栏 ============ */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.split-media img{
 width:100%;border-radius:var(--radius-lg);
 border:2px solid var(--gold);box-shadow:var(--shadow-hover);
 aspect-ratio:4/3;object-fit:cover;
}
.point-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.point-list li{
 display:flex;gap:14px;padding:16px 18px;
 background:var(--card);border:1px solid var(--line-soft);
 border-radius:var(--radius);box-shadow:var(--shadow);
 transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.point-list li:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.point-idx{
 flex-shrink:0;width:26px;height:26px;border-radius:6px;
 display:grid;place-items:center;font-size:13px;font-weight:700;
 color:#fff;background:linear-gradient(135deg,#d4af37,#b8860b);
}
.point-body strong{display:block;font-size:15.5px;color:var(--red);margin-bottom:4px}
.point-body span{font-size:14px;color:var(--muted);line-height:1.8}
/* ============ 数据条 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{
 text-align:center;padding:24px 14px;
 border:1px solid rgba(212,175,55,.35);border-radius:var(--radius);
 background:rgba(255,253,248,.06);
 transition:background .25s ease,border-color .25s ease;
}
.stat-item:hover{background:rgba(212,175,55,.12);border-color:rgba(212,175,55,.65)}
.stat-num{font-family:var(--font-serif);font-size:34px;font-weight:700;color:var(--gold-light);line-height:1.1}
.stat-num small{font-size:15px;margin-left:2px;color:var(--gold-light);opacity:.9}
.stat-label{font-size:13.5px;color:rgba(255,244,222,.82);margin-top:8px;line-height:1.7}
/* ============ 频道矩阵 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.channel-card{
 display:block;padding:24px 20px;border-radius:var(--radius);
 background:var(--card);border:1px solid var(--line);
 box-shadow:var(--shadow);position:relative;overflow:hidden;
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.channel-card::after{
 content:"";position:absolute;right:-24px;top:-24px;width:74px;height:74px;border-radius:50%;
 background:radial-gradient(circle,rgba(212,175,55,.24),transparent 70%);
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.channel-card .ch-kicker{font-size:12px;letter-spacing:1.5px;color:var(--gold-dark);font-weight:600}
.channel-card h3{font-family:var(--font-serif);font-size:18px;color:var(--red);margin:8px 0 8px;font-weight:700}
.channel-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.8}
/* ============ 资讯列表 ============ */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow);
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.news-card figure{margin:0;overflow:hidden}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover img{transform:scale(1.04)}
.news-body{padding:20px}
.news-body h3{font-family:var(--font-serif);font-size:17px;color:var(--red);margin:0 0 8px;line-height:1.55;font-weight:700}
.news-body p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0 0 14px}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--gold-dark)}
/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{
 background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow);
 transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.faq-item:hover{border-color:var(--gold);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.faq-item h3{
 font-size:16px;color:var(--red);margin:0 0 8px;font-weight:700;
 display:flex;gap:10px;align-items:flex-start;line-height:1.6;
}
.faq-q-mark{
 flex-shrink:0;width:22px;height:22px;border-radius:5px;
 display:grid;place-items:center;font-size:12px;font-weight:700;
 color:#fff;background:linear-gradient(135deg,#8c1f1f,#5e1313);margin-top:2px;
}
.faq-item p{margin:0;font-size:14px;line-height:1.85;color:var(--muted);padding-left:32px}
/* ============ 留言 / 收口 ============ */
.consult-panel{
 display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;
 background:linear-gradient(160deg,#fffdf8,#f6ecd4);
 border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:40px;box-shadow:var(--shadow);
}
.consult-panel h2{
 font-family:var(--font-serif);font-size:26px;color:var(--red);
 margin:0 0 12px;line-height:1.45;
}
.consult-panel .consult-lead{font-size:14.5px;color:var(--muted);line-height:1.9;margin:0 0 18px}
.consult-points{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.consult-points li{font-size:14px;color:var(--ink);display:flex;gap:10px;align-items:flex-start}
.consult-points li::before{
 content:"";flex-shrink:0;width:7px;height:7px;border-radius:50%;
 margin-top:9px;background:linear-gradient(135deg,#d4af37,#b8860b);
}
.form-grid{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:13.5px;font-weight:600;color:var(--red)}
.field input,.field select,.field textarea{
 width:100%;padding:11px 14px;font-size:14px;color:var(--ink);
 background:#fffdf8;border:1px solid var(--line);border-radius:8px;
 font-family:inherit;transition:border-color .25s ease,box-shadow .25s ease;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.75}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);
 box-shadow:0 0 0 3px rgba(212,175,55,.22);
}
.form-hint{font-size:12.5px;color:var(--muted);line-height:1.7;margin:0}
/* ============ 底部固定转化条 ============ */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:linear-gradient(90deg,#5e1313,#8c1f1f 55%,#5e1313);
 border-top:1px solid rgba(212,175,55,.6);
 box-shadow:0 -8px 24px rgba(60,12,12,.3);
}
.sticky-inner{display:flex;align-items:center;gap:18px;padding:12px 24px;max-width:1180px;margin:0 auto}
.sticky-text{flex:1;min-width:0}
.sticky-text strong{display:block;font-family:var(--font-serif);font-size:15.5px;color:#f6d98a;line-height:1.5}
.sticky-text span{font-size:12.5px;color:rgba(255,244,222,.8);line-height:1.6}
.sticky-actions{display:flex;gap:10px;flex-shrink:0}
/* ============ 页脚 ============ */
.site-footer{
 background:linear-gradient(180deg,#5e1313,#3f0d0d);
 border-top:1px solid rgba(212,175,55,.6);
 color:rgba(255,244,222,.82);
 padding:52px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:18px}
.footer-desc{font-size:13.5px;line-height:1.9;color:rgba(255,244,222,.72);margin:0;max-width:36em}
.footer-title{
 font-family:var(--font-serif);font-size:16px;color:#f6d98a;
 margin:0 0 16px;font-weight:700;letter-spacing:.5px;
}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,244,222,.8)}
.footer-links a:hover{color:var(--gold-light)}
.footer-bottom{
 margin-top:36px;padding-top:18px;
 border-top:1px solid rgba(212,175,55,.24);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:rgba(232,200,122,.72);
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-layout{grid-template-columns:1fr;gap:34px}
 .hero-title{font-size:34px}
 .check-bar{grid-template-columns:repeat(2,1fr)}
 .check-item:nth-child(2){border-right:none}
 .check-item:nth-child(1),.check-item:nth-child(2){border-bottom:1px solid rgba(212,175,55,.2)}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .flow-grid{grid-template-columns:repeat(3,1fr)}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .channel-grid{grid-template-columns:repeat(2,1fr)}
 .news-list{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:30px}
 .consult-panel{grid-template-columns:1fr;padding:32px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .nav-tabs{
  display:none;position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;
  margin-left:0;padding:14px 20px 18px;
  background:linear-gradient(180deg,#781919,#5e1313);
  border-bottom:1px solid rgba(212,175,55,.5);
  box-shadow:0 16px 30px rgba(40,8,8,.4);
 }
 .nav-tabs.is-open{display:flex}
 .nav-chip{border-radius:8px;padding:10px 14px;font-size:15px}
}
@media (max-width:768px){
 .page-hero{padding:42px 0 46px}
 .hero-title{font-size:29px}
 .hero-sub{font-size:15px}
 .section{padding:48px 0}
 .section-dark{padding:46px 0}
 .section-title{font-size:24px}
 .faq-wrap{grid-template-columns:1fr}
 .sticky-inner{padding:10px 18px;gap:12px}
 .sticky-text strong{font-size:14px}
 .sticky-text span{display:none}
 .sticky-actions .btn{padding:9px 16px;font-size:13.5px}
 html body{padding-bottom:82px}
}
@media (max-width:520px){
 .brand-text{font-size:16px}
 div.container{padding:0 18px}
 .hero-title{font-size:25px}
 .check-bar{grid-template-columns:1fr}
 .check-item{border-right:none;border-bottom:1px solid rgba(212,175,55,.2);padding:14px 16px}
 .check-item:last-child{border-bottom:none}
 .card-grid,.flow-grid,.stat-grid,.channel-grid,.news-list{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .hero-badge{left:8px;bottom:-12px;padding:8px 12px}
 .consult-panel{padding:24px}
 .consult-panel h2{font-size:22px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:6px}
 .sticky-actions{width:auto}
 .sticky-actions .btn{padding:8px 14px;font-size:13px}
}

/* roulang page: category3 */
:root{
 --red:#8c1f1f;
 --red-deep:#5e1313;
 --red-dark:#3f0d0d;
 --gold:#d4af37;
 --gold-dark:#b8860b;
 --gold-light:#e8c87a;
 --bg:#f7f2e7;
 --bg-alt:#efe6d5;
 --card:#fffdf8;
 --ink:#3a3428;
 --muted:#8a8070;
 --line:rgba(212,175,55,.38);
 --line-soft:rgba(212,175,55,.22);
 --radius:10px;
 --radius-lg:16px;
 --shadow:0 6px 20px rgba(94,19,19,.08);
 --shadow-hover:0 16px 34px rgba(94,19,19,.16);
 --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
 --font-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.8;
 color:var(--ink);background:var(--bg);padding-bottom:84px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;line-height:1.42;font-weight:700}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#8c1f1f 0%,#781919 100%);
 border-bottom:1px solid rgba(212,175,55,.5);
 box-shadow:0 8px 22px rgba(60,12,12,.28);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;display:grid;place-items:center;border-radius:8px;
 background:linear-gradient(135deg,#e8c87a,#d4af37 45%,#b8860b);
 color:#5e1313;font-family:var(--font-serif);font-weight:700;font-size:18px;
 box-shadow:inset 0 0 0 1px rgba(255,255,255,.45),0 4px 10px rgba(0,0,0,.2);
}
.brand-text{font-family:var(--font-serif);font-weight:700;font-size:18px;color:#fff;letter-spacing:.5px}
.nav-tabs{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-chip{
 padding:6px 14px;border-radius:999px;font-size:14px;color:#f2e0bc;
 border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.nav-chip:hover{color:#fff;background:rgba(212,175,55,.18);border-color:rgba(212,175,55,.4)}
.nav-chip.active{
 color:#f6d98a;background:rgba(212,175,55,.16);
 border-color:rgba(212,175,55,.65);
 box-shadow:inset 0 -2px 0 0 var(--gold);
}
.nav-toggle{
 display:none;align-items:center;justify-content:center;width:40px;height:40px;
 border-radius:8px;border:1px solid rgba(212,175,55,.55);
 background:rgba(212,175,55,.12);color:#f6d98a;cursor:pointer;margin-left:auto;
}
.nav-toggle:hover{background:rgba(212,175,55,.22)}
.header-cta{flex-shrink:0}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:8px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;letter-spacing:.5px;
 transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-gold{
 background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;
 box-shadow:0 8px 18px rgba(184,134,11,.3);
}
.btn-gold:hover{transform:translateY(-2px);background:linear-gradient(135deg,#e2c052,#a97a09);box-shadow:0 14px 26px rgba(184,134,11,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#f6e2ae;border-color:rgba(212,175,55,.75)}
.btn-outline:hover{background:rgba(212,175,55,.16);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fffdf8;color:var(--red);border-color:var(--line)}
.btn-light:hover{border-color:var(--gold);color:var(--gold-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-dark{
 background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#f7e7bd;
 border:1px solid rgba(212,175,55,.55);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(94,19,19,.3)}

/* ============ 页内 Hero ============ */
.page-hero{
 position:relative;overflow:hidden;color:#fff;padding:52px 0 64px;
 background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%);
 border-bottom:1px solid rgba(212,175,55,.45);
}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14;filter:saturate(.85)}
.page-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(circle at 84% 10%,rgba(212,175,55,.22),transparent 54%),
 radial-gradient(circle at 6% 92%,rgba(212,175,55,.12),transparent 46%);
}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,217,138,.78);margin-bottom:16px}
.crumb a:hover{color:#fff}
.hero-eyebrow{
 display:inline-block;font-size:13px;letter-spacing:2px;color:var(--gold-light);
 border:1px solid rgba(212,175,55,.55);padding:4px 14px;border-radius:999px;margin-bottom:16px;
}
.page-hero h1{font-size:38px;color:#f6d98a;letter-spacing:.5px;margin:0 0 14px;line-height:1.36}
.page-hero-sub{font-size:16px;color:var(--gold-light);margin:0 0 14px;line-height:1.85}
.page-hero-text{font-size:15px;line-height:1.95;color:rgba(255,244,222,.86);margin:0 0 24px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
 display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
 font-size:13px;background:rgba(212,175,55,.16);border:1px solid rgba(212,175,55,.55);color:#f6d98a;
}
.hero-figure{
 position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;
 border:2px solid var(--gold);box-shadow:0 22px 48px rgba(0,0,0,.34);
 background:#4b1010;
}
.hero-figure img{width:100%;height:340px;object-fit:cover;opacity:.96}
.hero-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:22px 18px 14px;font-size:13px;color:#f7e7bd;
 background:linear-gradient(180deg,rgba(63,13,13,0),rgba(63,13,13,.9));
}
.version-plate{
 position:absolute;top:14px;left:14px;padding:8px 12px;border-radius:8px;
 background:rgba(63,13,13,.86);border:1px solid var(--gold);color:#f6d98a;
 font-size:13px;line-height:1.5;letter-spacing:.5px;
}
.version-plate strong{display:block;font-family:var(--font-serif);font-size:17px;color:#fff}

/* ============ 区块 ============ */
.sec{padding:62px 0}
.sec-alt{background:var(--bg-alt)}
.sec-white{background:#fffdf8}
.sec-dark{background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#fff}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.sec-title{position:relative;padding-left:16px;font-size:27px;color:var(--red)}
.sec-title::before{
 content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;
 background:linear-gradient(180deg,#e8c87a,#b8860b);
}
.sec-dark .sec-title{color:#f6d98a}
.sec-desc{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:54em}
.sec-dark .sec-desc{color:rgba(255,244,222,.78)}
.sec-more{color:var(--gold-dark);font-size:14px;font-weight:600;border-bottom:1px solid transparent;padding-bottom:2px}
.sec-more:hover{color:var(--red);border-color:var(--gold)}

/* ============ 数据卡 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.stat-num{font-family:var(--font-serif);font-size:30px;font-weight:700;color:var(--gold-dark);line-height:1.2}
.stat-num span{font-size:15px;color:var(--muted);font-family:var(--font-sans);font-weight:400;margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:4px}

/* ============ 卡片网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
 position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:26px 24px;
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.card h3{font-size:19px;color:var(--red);margin:0 0 10px}
.card p{font-size:15px;color:var(--ink);line-height:1.85;margin:0 0 10px}
.card p:last-child{margin-bottom:0}
.card-muted{color:var(--muted)!important;font-size:14px!important}
.stamp{
 position:absolute;top:14px;right:14px;
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:5px;
 background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#f6d98a;
 border:1px solid var(--gold);font-family:var(--font-serif);font-size:14px;
 box-shadow:0 4px 10px rgba(94,19,19,.24);
}
.card-img{
 width:100%;height:170px;object-fit:cover;border-radius:8px;
 border:1px solid var(--line-soft);margin-bottom:16px;
}
.channel-card{display:flex;flex-direction:column;gap:8px}
.channel-link{
 display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;
 color:var(--gold-dark);font-size:14px;font-weight:600;
}
.channel-link::after{content:"→";transition:transform .25s ease}
.channel-card:hover .channel-link::after{transform:translateX(4px)}
.channel-card.is-current{border-color:var(--gold);background:linear-gradient(160deg,#fffdf8,#f8eed4)}
.channel-card.is-current .channel-link{color:var(--red)}

/* ============ 版本时间线 ============ */
.timeline{position:relative;margin:0;padding:4px 0 0 26px;border-left:2px solid var(--line-soft)}
.tl-item{position:relative;padding:0 0 28px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-34px;top:9px;width:12px;height:12px;border-radius:50%;
 background:linear-gradient(135deg,#e8c87a,#b8860b);border:2px solid #fffdf8;box-shadow:0 0 0 2px var(--line);
}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.tl-ver{
 font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--gold-dark);letter-spacing:.5px;
}
.tl-badge{
 font-size:12px;padding:2px 10px;border-radius:999px;
 background:rgba(140,31,31,.08);color:var(--red);border:1px solid rgba(140,31,31,.22);
}
.tl-date{font-size:13px;color:var(--muted)}
.tl-body{font-size:15px;line-height:1.85;color:var(--ink);margin:0}
.tl-list{margin:8px 0 0;display:grid;gap:6px}
.tl-list li{position:relative;padding-left:16px;font-size:14.5px;color:#4c4536;line-height:1.8}
.tl-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold);opacity:.85}

/* ============ 对比表 ============ */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.vtable{width:100%;border-collapse:collapse;background:var(--card);min-width:640px}
.vtable th{
 background:linear-gradient(135deg,#8c1f1f,#5e1313);color:#f6d98a;font-weight:600;
 font-size:15px;padding:14px 18px;text-align:left;border-right:1px solid rgba(212,175,55,.28);
}
.vtable th:last-child{border-right:none}
.vtable td{padding:14px 18px;border-top:1px solid var(--line-soft);font-size:15px;vertical-align:top}
.vtable td:first-child{font-weight:600;color:var(--red);font-family:var(--font-serif);font-size:16px}
.vtable tr:nth-child(even) td{background:#fdf8ec}
.vtable tr:hover td{background:#fbf1d8}
.vtable .now{color:#1f5e2a;font-weight:600}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
 position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 20px 22px;box-shadow:var(--shadow);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-hover)}
.step-num{
 display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;margin-bottom:12px;
 background:linear-gradient(135deg,#d4af37,#b8860b);color:#fff;font-family:var(--font-serif);font-weight:700;
 box-shadow:0 6px 14px rgba(184,134,11,.28);
}
.step h3{font-size:17px;color:var(--red);margin:0 0 8px}
.step p{font-size:14.5px;color:#4c4536;margin:0;line-height:1.8}

/* ============ 提示条 ============ */
.notice-band{
 display:flex;gap:16px;align-items:flex-start;
 background:rgba(212,175,55,.12);border:1px solid var(--line);
 border-left:4px solid var(--gold);border-radius:var(--radius);
 padding:18px 22px;margin-top:28px;
}
.notice-band strong{color:var(--red);font-family:var(--font-serif);font-size:16px;display:block;margin-bottom:4px}
.notice-band p{margin:0;font-size:14.5px;color:#4c4536}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-family:var(--font-serif);font-size:17px;color:var(--red);font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold-dark);font-size:22px;line-height:1;flex-shrink:0;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;font-size:15px;color:#4c4536;line-height:1.9;border-top:1px solid var(--line-soft);padding-top:14px}

/* ============ 转化区 ============ */
.cta-band{
 background:linear-gradient(135deg,#8c1f1f 0%,#5e1313 100%);
 border-top:1px solid var(--gold);border-bottom:1px solid var(--gold);
 padding:58px 0;color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(circle at 88% 16%,rgba(212,175,55,.2),transparent 55%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-inner h2{font-size:28px;color:#f6d98a;margin:0 0 12px}
.cta-inner p{font-size:15px;color:rgba(255,244,222,.85);line-height:1.9;margin:0 0 8px}
.cta-points{display:grid;gap:10px;margin-top:18px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,244,222,.9)}
.cta-points .dot{
 width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#e8c87a,#b8860b);
 margin-top:11px;flex-shrink:0;
}
.form-card{
 background:rgba(255,253,248,.97);border:1px solid var(--gold);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:0 22px 44px rgba(0,0,0,.28);color:var(--ink);
}
.form-card h3{font-size:19px;color:var(--red);margin:0 0 6px}
.form-note{font-size:13px;color:var(--muted);margin:0 0 16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:#5e5545;margin-bottom:6px;font-weight:600}
.field input,.field select,.field textarea{
 width:100%;padding:10px 13px;font-size:14.5px;font-family:inherit;color:var(--ink);
 background:#fffdf8;border:1px solid var(--line);border-radius:8px;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#b3a894}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.22);
}
.field textarea{resize:vertical;min-height:88px}
.form-card .btn{width:100%}
.form-tip{font-size:13px;color:var(--gold-dark);margin:10px 0 0;min-height:20px;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{
 background:linear-gradient(180deg,#5e1313,#3f0d0d);
 border-top:1px solid var(--gold);
 color:rgba(255,244,222,.82);
 padding:46px 0 24px;font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,244,222,.72);margin:0;max-width:34em}
.footer-title{
 font-family:var(--font-serif);font-size:16px;color:#f6d98a;margin:0 0 14px;
 padding-bottom:8px;border-bottom:1px solid rgba(212,175,55,.28);
}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:rgba(255,244,222,.76)}
.footer-links a:hover{color:var(--gold-light);padding-left:4px}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
 margin-top:32px;padding-top:18px;border-top:1px solid rgba(212,175,55,.24);
 font-size:13px;color:rgba(232,200,122,.72);
}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:linear-gradient(135deg,#8c1f1f,#5e1313);
 border-top:1px solid var(--gold);box-shadow:0 -8px 24px rgba(63,13,13,.3);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.sticky-text{font-size:14px;color:rgba(255,244,222,.88)}
.sticky-text strong{color:#f6d98a;font-family:var(--font-serif);margin-right:8px}

/* ============ 响应式 ============ */
@media(max-width:1024px){
 .page-hero-inner{grid-template-columns:1fr;gap:34px}
 .hero-figure img{height:290px}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .cta-inner{grid-template-columns:1fr;gap:30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-grid > div:first-child{grid-column:1/-1}
}
@media(max-width:900px){
 .nav-toggle{display:inline-flex}
 .nav-tabs{
  display:none;position:absolute;top:64px;left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:#6f1717;padding:14px 20px 18px;
  border-bottom:1px solid var(--gold);box-shadow:0 16px 30px rgba(0,0,0,.3);
 }
 .nav-tabs.open{display:flex}
 .nav-chip{padding:10px 14px;border-radius:8px;font-size:15px}
 .header-cta{display:none}
 .page-hero h1{font-size:31px}
 .sec-title{font-size:23px}
 .sec{padding:48px 0}
}
@media(max-width:768px){
 .grid-2,.grid-3,.grid-4,.stat-grid,.steps{grid-template-columns:1fr}
 .hero-actions .btn{flex:1 1 auto}
 .sec-head{margin-bottom:24px}
 .page-hero{padding:38px 0 48px}
 .page-hero h1{font-size:27px}
 .page-hero-text{font-size:14.5px}
 .hero-figure img{height:230px}
 .tl-item::before{left:-33px}
}
@media(max-width:520px){
 .container{padding:0 18px}
 .brand-text{font-size:16px}
 .page-hero h1{font-size:24px}
 .stat-num{font-size:25px}
 .sec{padding:40px 0}
 .sec-title{font-size:21px}
 .card{padding:22px 18px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
 .sticky-text{font-size:12.5px}
 .sticky-text strong{display:block;margin:0 0 2px}
 .sticky-inner{padding:10px 0}
 .form-card{padding:20px 16px}
}