/* roulang page: index */
:root{
  --brand:#c8362f;
  --brand-dark:#9d2822;
  --brand-soft:#fdeceb;
  --gold:#c99a3f;
  --ink:#101c2b;
  --ink-soft:#2f4157;
  --muted:#6a7b90;
  --bg:#f5f6f8;
  --surface:#ffffff;
  --line:#e3e7ee;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,28,43,.05),0 10px 24px -16px rgba(16,28,43,.28);
  --shadow-md:0 22px 48px -28px rgba(16,28,43,.42);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.35;color:var(--ink);}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease;}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.site-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:11px 0;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand) 0%,#e05b52 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(200,54,47,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.3px;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.6px;}
.nav-search{position:relative;flex:1 1 260px;min-width:160px;}
.nav-search input[type="search"]{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#f2f4f7;padding:0 18px 0 42px;font-size:14px;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
  -webkit-appearance:none;appearance:none;
}
.nav-search input[type="search"]::placeholder{color:#9aa7b6;}
.nav-search input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,54,47,.13);
}
.nav-search .search-icon{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:#93a1b1;font-size:14px;pointer-events:none;
}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;flex-wrap:wrap;}
.nav-links a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink-soft);
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:#f0f3f7;color:var(--ink);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(200,54,47,.95);}
.nav-links a.nav-dl{border:1px solid rgba(200,54,47,.4);color:var(--brand);}
.nav-links a.nav-dl:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ============ 通用栅格 ============ */
.grid-x.site-row{margin-left:-10px;margin-right:-10px;}
.site-row > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;min-width:0;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 420px at 15% -10%,rgba(200,54,47,.42),transparent 62%),
             radial-gradient(900px 380px at 92% 8%,rgba(201,154,63,.28),transparent 60%),
             linear-gradient(155deg,#0d1826 0%,#16263a 58%,#1d3247 100%);
  padding:46px 0 42px;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#f2f5f9;letter-spacing:.4px;margin-bottom:18px;
}
.hero-tag i{color:var(--gold);font-size:12px;}
.hero h1{
  font-size:clamp(24px,3.4vw,36px);color:#fff;letter-spacing:.5px;
  max-width:900px;margin-bottom:16px;
}
.hero-lead{
  font-size:15px;line-height:1.9;color:#c8d4e2;max-width:880px;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 30px -18px rgba(200,54,47,1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 20px 34px -18px rgba(200,54,47,.95);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-light:hover{color:var(--brand);border-color:rgba(200,54,47,.4);}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(200,54,47,.45);}
.btn-line:hover{background:var(--brand-soft);border-color:var(--brand);}

.roadmap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;}
.roadmap-item{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:14px 16px;min-width:0;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.roadmap-item:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);transform:translateY(-2px);}
.roadmap-step{font-size:11px;letter-spacing:1px;color:#8fa3ba;text-transform:uppercase;}
.roadmap-name{font-size:15px;font-weight:600;color:#fff;margin:4px 0 8px;}
.roadmap-state{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#b9c8d8;}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;}
.dot-done{background:#3fbf8f;}
.dot-doing{background:var(--gold);}
.dot-plan{background:#7f93aa;}

/* ============ 通用 section ============ */
.section{padding:56px 0;}
.section--white{background:var(--surface);}
.section--soft{background:#eef1f5;}
.section--dark{background:#0f1c2b;color:#dbe4ee;}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:800px;margin-bottom:30px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section--dark .eyebrow{color:var(--gold);}
.section--dark .eyebrow::before{background:var(--gold);}
.section-title{font-size:clamp(21px,2.4vw,27px);letter-spacing:.4px;margin-bottom:12px;}
.section-desc{font-size:15px;color:var(--muted);line-height:1.85;}
.section--dark .section-desc{color:#a9bacd;}

/* ============ 下载区 ============ */
.download-band{background:linear-gradient(180deg,#fff 0%,#f7f8fb 100%);border-bottom:1px solid var(--line);}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;height:100%;min-width:0;
  display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d6dde7;}
.dl-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:19px;color:#fff;background:linear-gradient(145deg,#1f3category,#1f3a55);
}
.dl-icon.i-pc{background:linear-gradient(145deg,#2a4a72,#1b3350);}
.dl-icon.i-android{background:linear-gradient(145deg,#3f9f6f,#2b7a52);}
.dl-icon.i-ios{background:linear-gradient(145deg,#5a6d86,#39495e);}
.dl-name{font-size:17px;font-weight:700;}
.dl-note{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1 1 auto;}
.dl-card .btn{width:100%;height:44px;font-size:14.5px;}
.dl-meta{font-size:12px;color:#93a1b1;letter-spacing:.3px;}

/* ============ 卡片 ============ */
.site-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;height:100%;min-width:0;
  display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.site-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d8dfe9;}
.card-index{font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--brand);}
.card-title{font-size:16.5px;font-weight:700;letter-spacing:.2px;}
.card-text{font-size:14px;color:var(--muted);line-height:1.8;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);letter-spacing:.3px;
}
.tag-gold{background:#fbf1dc;color:#8a6516;}
.tag-grey{background:#eef1f6;color:#5c6c80;}

/* ============ 左标题右内容 ============ */
.split{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:34px;align-items:start;}
.split-list{display:flex;flex-direction:column;gap:14px;}
.split-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;display:flex;gap:14px;align-items:flex-start;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease,box-shadow .25s ease;
}
.split-item:hover{border-color:#d6dde7;transform:translateX(3px);box-shadow:var(--shadow-md);}
.split-num{
  flex:0 0 auto;width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:700;
}
.split-item h3{font-size:15.5px;margin-bottom:5px;}
.split-item p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 深色三栏 ============ */
.dark-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:6px;}
.dark-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:22px 20px;min-width:0;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.dark-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);transform:translateY(-2px);}
.dark-card h3{font-size:16px;margin-bottom:8px;}
.dark-card p{font-size:14px;color:#a9bacd;line-height:1.85;}
.dark-note{
  margin-top:18px;font-size:13px;color:#8ea2b8;
  border-left:3px solid var(--gold);padding-left:14px;line-height:1.8;
}

/* ============ 编号链条 ============ */
.chain{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.chain-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;display:flex;gap:14px;min-width:0;
  transition:border-color .2s ease,box-shadow .25s ease;
}
.chain-item:hover{border-color:#d5dde7;box-shadow:var(--shadow-md);}
.chain-step{
  flex:0 0 auto;font-size:20px;font-weight:800;color:#dfe5ee;letter-spacing:1px;line-height:1;
}
.chain-item h3{font-size:15.5px;margin-bottom:6px;}
.chain-item p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 进度 / 时间线 ============ */
.progress-list{display:flex;flex-direction:column;gap:14px;}
.progress-row{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;min-width:0;
}
.progress-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.progress-top h3{font-size:15px;font-weight:600;}
.bar{height:7px;border-radius:999px;background:#eaeef4;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#e0594f);}
.bar span.gold{background:linear-gradient(90deg,var(--gold),#dfb463);}

.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#e1e7ef;}
.timeline-item{position:relative;padding:0 0 22px 0;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-22px;top:7px;width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);
}
.timeline-item h3{font-size:15.5px;margin-bottom:5px;}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 更新记录表 ============ */
.log-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;}
.log-row{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr);
  gap:12px;padding:15px 18px;border-bottom:1px solid var(--line);
  font-size:14px;align-items:center;
  transition:background-color .2s ease;
}
.log-row:last-child{border-bottom:0;}
.log-row:hover{background:#f8fafc;}
.log-row.head{background:#f2f5f9;font-weight:700;color:var(--ink-soft);font-size:13px;letter-spacing:.4px;}
.log-row .log-title{font-weight:600;color:var(--ink);min-width:0;}
.log-row .log-phase,.log-row .log-state{color:var(--muted);min-width:0;}

/* ============ 分类入口 ============ */
.channel-card{
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  background:linear-gradient(120deg,#ffffff 0%,#fdf7f6 100%);
  border:1px solid #f0dcd9;border-radius:var(--radius-lg);
  padding:26px 26px;box-shadow:var(--shadow-sm);
}
.channel-main{flex:1 1 420px;min-width:0;}
.channel-main h3{font-size:19px;margin-bottom:8px;}
.channel-main p{font-size:14px;color:var(--muted);line-height:1.85;max-width:720px;}
.channel-side{flex:0 0 auto;}

/* ============ 误区 ============ */
.myth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.myth-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-width:0;}
.myth-wrong{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;}
.myth-wrong i{color:#d05a52;font-size:15px;margin-top:4px;}
.myth-wrong p{font-size:15px;font-weight:600;line-height:1.7;}
.myth-right{display:flex;gap:10px;align-items:flex-start;padding-top:12px;border-top:1px dashed var(--line);}
.myth-right i{color:#3f9f6f;font-size:15px;margin-top:4px;}
.myth-right p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 清单 ============ */
.check-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
}
.check-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;text-align:left;min-width:0;
  transition:border-color .2s ease,transform .2s ease,box-shadow .25s ease;
}
.check-item:hover{border-color:#d5dde7;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.check-item i{color:var(--brand);font-size:18px;margin-bottom:10px;display:block;}
.check-item h3{font-size:15px;margin-bottom:6px;}
.check-item p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ============ 三步 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px 20px;min-width:0;box-shadow:var(--shadow-sm);
}
.step-badge{
  position:absolute;top:-14px;left:20px;width:30px;height:30px;border-radius:10px;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;box-shadow:0 12px 22px -14px rgba(200,54,47,1);
}
.step-card h3{font-size:15.5px;margin:10px 0 6px;}
.step-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--radius);padding:20px;min-width:0;
  transition:box-shadow .25s ease,transform .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.scene-card h3{font-size:16px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;min-width:0;
  transition:border-color .2s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#d5dde7;box-shadow:var(--shadow-sm);}
.faq-q{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;font-weight:700;margin-bottom:8px;}
.faq-q span{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--brand-soft);
  color:var(--brand-dark);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.faq-a{font-size:14px;color:var(--muted);line-height:1.85;padding-left:32px;}

/* ============ 资讯 ============ */
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-row{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;min-width:0;
  transition:border-color .2s ease,box-shadow .25s ease,transform .2s ease;
}
.news-row:hover{border-color:#d5dde7;box-shadow:var(--shadow-md);transform:translateY(-2px);}
.news-title{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--ink);}
.news-row:hover .news-title{color:var(--brand);}
.news-desc{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px;font-size:12.5px;color:#93a1b1;}
.news-tag{background:#eef1f6;color:#5c6c80;padding:2px 10px;border-radius:999px;}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:26px;color:var(--muted);font-size:14.5px;text-align:center;
}
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-bottom:18px;
}
.side-panel h3{font-size:15.5px;margin-bottom:12px;}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);
  padding:9px 12px;border-radius:var(--radius-sm);background:#f6f8fb;
  transition:background-color .2s ease,color .2s ease;
}
.side-links a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.side-links a i{color:var(--brand);font-size:12px;}
.side-text{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ============ 更新提醒收口 ============ */
.notice-band{
  background:linear-gradient(125deg,#101d2d 0%,#1b2f45 100%);
  border-radius:var(--radius-lg);color:#fff;padding:32px 28px;
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-md);
}
.notice-main{flex:1 1 460px;min-width:0;}
.notice-main h2{font-size:20px;color:#fff;margin-bottom:10px;}
.notice-main p{font-size:14px;color:#b3c3d4;line-height:1.85;max-width:700px;}
.notice-actions{display:flex;flex-wrap:wrap;gap:10px;}
.notice-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px;font-size:13px;color:#8ea2b8;}
.notice-meta span{display:inline-flex;align-items:center;gap:7px;}
.notice-meta i{color:var(--gold);font-size:12px;}

/* ============ 页脚 ============ */
.site-footer{background:#0b1521;color:#93a6bb;padding:48px 0 24px;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#7d8fa4;}
.footer-text{font-size:13.5px;line-height:1.9;color:#8397ac;max-width:420px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-list{display:flex;flex-direction:column;gap:9px;}
.footer-list a{font-size:13.5px;color:#93a6bb;display:inline-flex;align-items:center;gap:8px;transition:color .2s ease;}
.footer-list a:hover{color:#fff;}
.footer-list a i{font-size:11px;color:#5f7286;}
.footer-bottom{
  margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#6f8298;line-height:1.8;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .roadmap{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);gap:24px;}
  .dark-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:46px 0;}
}
@media screen and (max-width:767px){
  .nav-wrap{gap:10px;padding:10px 0;}
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
  .nav-search{flex:1 1 100%;order:3;min-width:0;}
  .nav-links{order:2;margin-left:auto;}
  .nav-links a{padding:8px 12px;font-size:14px;}
  .hero{padding:34px 0 32px;}
  .hero-lead{font-size:14.5px;}
  .chain{grid-template-columns:minmax(0,1fr);}
  .myth-grid{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .dark-grid{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .log-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);row-gap:6px;}
  .log-row .log-phase{display:none;}
  .log-row.head .log-phase{display:none;}
  .channel-card{padding:22px 20px;}
  .channel-side{width:100%;}
  .channel-side .btn{width:100%;}
  .notice-band{padding:26px 20px;}
  .notice-actions{width:100%;}
  .notice-actions .btn{flex:1 1 auto;}
  .section{padding:38px 0;}
  .faq-a{padding-left:0;}
}
@media screen and (max-width:519px){
  .site-container{padding:0 16px;}
  .roadmap{grid-template-columns:minmax(0,1fr);}
  .check-strip{grid-template-columns:minmax(0,1fr);}
  .hero h1{font-size:22px;}
  .section-title{font-size:20px;}
  .btn{height:44px;padding:0 18px;font-size:14px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --brand:#c8362f;
  --brand-dark:#9d2822;
  --brand-soft:#fdeceb;
  --gold:#c99a3f;
  --ink:#101c2b;
  --ink-soft:#2f4157;
  --muted:#6a7b90;
  --bg:#f5f6f8;
  --surface:#ffffff;
  --line:#e3e7ee;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,28,43,.05),0 10px 24px -16px rgba(16,28,43,.28);
  --shadow-md:0 22px 48px -28px rgba(16,28,43,.42);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease;}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
.site-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:11px 0;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand) 0%,#e05b52 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(200,54,47,.9);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.3px;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.6px;}
.nav-search{position:relative;flex:1 1 260px;min-width:160px;}
.nav-search input[type="search"]{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#f2f4f7;padding:0 18px 0 42px;font-size:14px;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
  -webkit-appearance:none;appearance:none;
}
.nav-search input[type="search"]::placeholder{color:#9aa7b6;}
.nav-search input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,54,47,.13);
}
.nav-search .search-icon{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:#93a1b1;font-size:14px;pointer-events:none;
}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;flex-wrap:wrap;}
.nav-links a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink-soft);
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:#f0f3f7;color:var(--ink);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(200,54,47,.95);}
.nav-links a.nav-dl{border:1px solid rgba(200,54,47,.4);color:var(--brand);}
.nav-links a.nav-dl:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:13px 0;font-size:13px;color:var(--muted);}
.crumb-inner a{color:var(--ink-soft);}
.crumb-inner a:hover{color:var(--brand);}
.crumb-inner i{font-size:10px;color:#b6c1cf;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 400px at 12% -20%,rgba(200,54,47,.44),transparent 62%),
             radial-gradient(820px 340px at 92% 4%,rgba(201,154,63,.24),transparent 60%),
             linear-gradient(155deg,#0d1826 0%,#16263a 58%,#1d3247 100%);
  padding:38px 0 42px;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;letter-spacing:.3px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#eef3f8;
}
.chip i{font-size:11px;color:var(--gold);}
.chip--solid{background:var(--brand);border-color:rgba(255,255,255,.28);color:#fff;}
.chip--solid i{color:#ffe3c9;}
.article-hero h1{
  font-size:clamp(22px,3.1vw,33px);line-height:1.45;color:#fff;letter-spacing:.4px;
  max-width:960px;margin:0 0 16px;font-weight:700;
}
.article-summary{
  font-size:15px;line-height:1.9;color:#c4d1e0;max-width:900px;margin:0 0 20px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:#a8b8ca;}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--gold);font-size:12px;}

/* ============ 通用 section ============ */
.section{padding:52px 0;}
.section--white{background:var(--surface);}
.section--soft{background:#eef1f5;}
.section--dark{background:#0f1c2b;color:#dbe4ee;}
.section-head{max-width:820px;margin-bottom:28px;}
.section-head h2{font-size:clamp(20px,2.4vw,26px);margin:0 0 10px;color:var(--ink);letter-spacing:.3px;}
.section-head p{margin:0;color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.section--dark .eyebrow{color:var(--gold);}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#a9b9cb;}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:30px;align-items:start;}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 34px;box-shadow:var(--shadow-sm);min-width:0;
}
.article-panel-head{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-bottom:16px;margin-bottom:22px;border-bottom:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.article-panel-head strong{font-size:14px;color:var(--ink);letter-spacing:.3px;}
.article-body{font-size:16.5px;line-height:1.95;color:var(--ink-soft);min-width:0;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:22px;line-height:1.5;color:var(--ink);margin:34px 0 14px;
  padding-left:13px;border-left:4px solid var(--brand);letter-spacing:.3px;
}
.article-body h3{font-size:18px;line-height:1.6;color:var(--ink);margin:26px 0 10px;}
.article-body h4{font-size:16px;color:var(--ink);margin:20px 0 8px;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin-bottom:9px;}
.article-body strong{color:var(--ink);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-soft);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:20px 0;width:auto;max-width:100%;height:auto;}
.article-body figure{margin:20px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top;}
.article-body th{background:#f0f3f7;color:var(--ink);font-weight:600;white-space:nowrap;}
.article-body code{background:#eef1f5;padding:2px 6px;border-radius:6px;font-size:14px;color:var(--brand-dark);}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:28px 0;}

.notice-box{
  margin:0 0 22px;padding:14px 18px;border-radius:var(--radius-sm);
  background:#f7f9fc;border:1px solid var(--line);font-size:14px;color:var(--ink-soft);
  display:flex;gap:10px;align-items:flex-start;line-height:1.8;
}
.notice-box i{color:var(--gold);margin-top:4px;flex:0 0 auto;}

.empty-state{text-align:center;padding:40px 10px 20px;}
.empty-state h2{font-size:20px;margin:0 0 10px;color:var(--ink);}
.empty-state p{color:var(--muted);margin:0 0 22px;}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:90px;min-width:0;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 22px;box-shadow:var(--shadow-sm);min-width:0;
}
.side-card-title{
  display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--ink);
  margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-card-title i{color:var(--brand);font-size:14px;}
.kv-list{list-style:none;margin:0;padding:0;}
.kv-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.kv-list li:last-child{border-bottom:0;padding-bottom:0;}
.kv-list .k{color:var(--muted);flex:0 0 auto;}
.kv-list .v{color:var(--ink);font-weight:600;text-align:right;min-width:0;}
.side-note{font-size:13px;line-height:1.85;color:var(--muted);margin:12px 0 0;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{margin-bottom:11px;font-size:14px;line-height:1.8;color:var(--ink-soft);display:flex;gap:8px;}
.side-list li:last-child{margin-bottom:0;}
.side-list li i{color:var(--gold);font-size:12px;margin-top:6px;flex:0 0 auto;}
.side-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:42px;border-radius:999px;font-size:14px;font-weight:600;
  margin-top:14px;
}
.side-link--primary{background:var(--brand);color:#fff;box-shadow:0 14px 26px -18px rgba(200,54,47,1);}
.side-link--primary:hover{background:var(--brand-dark);color:#fff;}
.side-link--line{border:1px solid rgba(200,54,47,.45);color:var(--brand);}
.side-link--line:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ============ 要点卡片 ============ */
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(200,54,47,.28);}
.point-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;margin-bottom:14px;
}
.point-card h3{font-size:16.5px;margin:0 0 9px;color:var(--ink);}
.point-card p{margin:0;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ============ 下载区 ============ */
.download-band{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(900px 380px at 88% -10%,rgba(201,154,63,.26),transparent 62%),
             linear-gradient(140deg,#101f30 0%,#17293d 60%,#1e3448 100%);
}
.download-band .section-head h2{color:#fff;}
.download-band .section-head p{color:#a9b9cb;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.dl-card{
  display:flex;flex-direction:column;gap:8px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);padding:22px 22px;min-width:0;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.dl-card:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.32);transform:translateY(-3px);}
.dl-card .dl-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,54,47,.9);color:#fff;font-size:18px;margin-bottom:4px;
}
.dl-card h3{font-size:16px;margin:0;color:#fff;}
.dl-card .dl-desc{font-size:13.5px;color:#a9b9cb;line-height:1.8;margin:0;}
.dl-btn{
  margin-top:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:999px;background:#fff;color:var(--ink);font-size:14px;font-weight:600;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.dl-btn:hover{background:var(--brand);color:#fff;box-shadow:0 16px 28px -18px rgba(200,54,47,1);}
.dl-note{margin:22px 0 0;font-size:13px;color:#93a6ba;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 30px -18px rgba(200,54,47,1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(200,54,47,.45);}
.btn-line:hover{background:var(--brand-soft);border-color:var(--brand);}
.btn:focus-visible,.side-link:focus-visible,.dl-btn:focus-visible,.nav-links a:focus-visible{outline:2px solid rgba(200,54,47,.55);outline-offset:3px;}

/* ============ FAQ ============ */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-sm);min-width:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(200,54,47,.3);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:flex-start;gap:10px;line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--muted);margin-left:auto;transition:transform .2s ease;flex:0 0 auto;margin-top:6px;}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item summary i{color:var(--brand);font-size:13px;margin-top:5px;flex:0 0 auto;}
.faq-answer{margin:12px 0 0;font-size:14.5px;line-height:1.9;color:var(--muted);}

/* ============ 更多阅读 ============ */
.more-box{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 28px;box-shadow:var(--shadow-sm);
}
.more-box h2{font-size:18px;margin:0 0 6px;color:var(--ink);}
.more-box p{margin:0;font-size:14px;color:var(--muted);line-height:1.85;max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{background:#0c1826;color:#a9b9cb;padding:48px 0 26px;margin-top:0;}
.grid-x.site-row{margin-left:-10px;margin-right:-10px;}
.site-row > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;min-width:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#7f93a8;}
.footer-text{font-size:13.5px;line-height:1.9;color:#8ea1b5;margin:0;max-width:520px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.4px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:#9db0c4;}
.footer-list a i{width:16px;color:var(--gold);font-size:12px;}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);margin-top:18px;padding-top:20px;
  font-size:12.5px;color:#7c8fa3;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side-stack{position:static;top:auto;}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .section{padding:44px 0;}
}
@media (max-width:768px){
  .nav-wrap{gap:10px;padding:10px 0;}
  .nav-search{order:3;flex:1 1 100%;}
  .nav-links{order:2;margin-left:auto;}
  .article-panel{padding:24px 20px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;}
  .point-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .faq-list{grid-template-columns:minmax(0,1fr);}
  .more-box{padding:22px 20px;}
  .article-hero{padding:32px 0 36px;}
}
@media (max-width:520px){
  .site-container{padding:0 15px;}
  .brand-sub{display:none;}
  .brand-name{font-size:16px;}
  .nav-links a{padding:8px 12px;font-size:14px;}
  .section{padding:36px 0;}
  .article-panel{padding:20px 16px;}
  .article-meta{gap:12px;font-size:12.5px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#c8362f;
  --brand-dark:#9d2822;
  --brand-soft:#fdeceb;
  --gold:#c99a3f;
  --ink:#101c2b;
  --ink-soft:#2f4157;
  --muted:#6a7b90;
  --bg:#f5f6f8;
  --surface:#ffffff;
  --line:#e3e7ee;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,28,43,.05),0 10px 24px -16px rgba(16,28,43,.28);
  --shadow-md:0 22px 48px -28px rgba(16,28,43,.42);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,transform .2s ease;}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.site-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:11px 0;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand) 0%,#e05b52 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(200,54,47,.9);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.3px;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.6px;}
.nav-search{position:relative;flex:1 1 260px;min-width:160px;}
.nav-search input[type="search"]{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#f2f4f7;padding:0 18px 0 42px;font-size:14px;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
  -webkit-appearance:none;appearance:none;
}
.nav-search input[type="search"]::placeholder{color:#9aa7b6;}
.nav-search input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,54,47,.13);
}
.nav-search .search-icon{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:#93a1b1;font-size:14px;pointer-events:none;
}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;flex-wrap:wrap;}
.nav-links a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink-soft);
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:#f0f3f7;color:var(--ink);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(200,54,47,.95);}
.nav-links a.nav-dl{border:1px solid rgba(200,54,47,.4);color:var(--brand);}
.nav-links a.nav-dl:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ============ 通用栅格 ============ */
.grid-x.site-row{margin-left:-10px;margin-right:-10px;}
.site-row > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;min-width:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 30px -18px rgba(200,54,47,1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 20px 34px -18px rgba(200,54,47,.95);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-light:hover{color:var(--brand);border-color:rgba(200,54,47,.4);}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(200,54,47,.45);}
.btn-line:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 420px at 12% -12%,rgba(200,54,47,.42),transparent 62%),
             radial-gradient(880px 380px at 94% 4%,rgba(201,154,63,.26),transparent 60%),
             linear-gradient(155deg,#0d1826 0%,#16263a 58%,#1d3247 100%);
  padding:44px 0 48px;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:38px;align-items:start;}
.cat-hero-main{min-width:0;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9fb0c4;margin-bottom:16px;flex-wrap:wrap;}
.crumb a{color:#c3d1e0;}
.crumb a:hover{color:#fff;}
.crumb .crumb-cur{color:#eef4fa;}
.cat-hero h1{
  font-size:clamp(23px,3.1vw,34px);line-height:1.45;color:#fff;letter-spacing:.4px;margin-bottom:16px;
}
.cat-hero-lead{font-size:15px;line-height:1.9;color:#c6d3e2;margin-bottom:22px;max-width:640px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.hero-chips span{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#e6edf5;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cat-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:22px 22px 18px;
  min-width:0;
  box-shadow:0 30px 60px -40px rgba(0,0,0,.9);
}
.cat-panel-head{
  display:flex;align-items:center;gap:9px;
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.5px;
  padding-bottom:14px;margin-bottom:6px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.cat-panel-head i{color:var(--gold);}
.cat-panel-list{display:flex;flex-direction:column;gap:14px;padding-top:8px;}
.cat-panel-item{display:flex;gap:12px;min-width:0;}
.cat-panel-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:rgba(200,54,47,.85);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}
.cat-panel-body{min-width:0;}
.cat-panel-body strong{display:block;font-size:14px;color:#fff;font-weight:600;margin-bottom:2px;}
.cat-panel-body span{font-size:13px;line-height:1.7;color:#b3c2d3;}
.cat-panel-foot{
  margin-top:16px;padding-top:12px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:#93a5b9;line-height:1.7;
}

/* ============ section 基础 ============ */
.section{padding:56px 0;}
.section--white{background:var(--surface);}
.section--soft{background:#eef1f5;}
.section--dark{background:#0f1c2b;color:#dbe4ee;}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:780px;margin-bottom:30px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow i{font-size:12px;}
.section h2{font-size:clamp(21px,2.6vw,28px);line-height:1.45;letter-spacing:.3px;margin-bottom:12px;}
.section-head p{font-size:15px;line-height:1.9;color:var(--muted);}
.section--dark .section-head p{color:#9fb0c4;}

/* ============ 下载区 ============ */
.dl-band{
  background:linear-gradient(135deg,#121f30 0%,#1b2c40 55%,#203349 100%);
  color:#fff;padding:42px 0;
}
.dl-inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:30px;align-items:center;
}
.dl-copy h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:10px;}
.dl-copy p{font-size:14px;line-height:1.85;color:#a9bacd;max-width:520px;}
.dl-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0;}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding:16px 10px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;text-align:center;min-width:0;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.dl-btn:hover{background:rgba(200,54,47,.9);border-color:rgba(200,54,47,.9);transform:translateY(-3px);box-shadow:0 20px 34px -22px rgba(200,54,47,1);color:#fff;}
.dl-btn:focus-visible{outline:2px solid #fff;outline-offset:3px;}
.dl-btn i{font-size:20px;}
.dl-btn strong{font-size:14px;font-weight:700;letter-spacing:.4px;}
.dl-btn span{font-size:11px;color:#b9c8d8;letter-spacing:.3px;}
.dl-btn:hover span{color:#fff;}

/* ============ 知识框架 ============ */
.know-grid{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:38px;align-items:start;}
.know-intro{min-width:0;}
.know-intro h2{margin-bottom:14px;}
.know-intro p{font-size:15px;line-height:1.95;color:var(--muted);margin-bottom:14px;}
.know-note{
  border-left:3px solid var(--brand);background:var(--brand-soft);
  padding:12px 16px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:14px;line-height:1.8;color:#8f2b25;
}
.know-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;min-width:0;}
.know-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px 18px;min-width:0;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.know-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(200,54,47,.3);}
.know-icon{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;margin-bottom:12px;
}
.know-card h3{font-size:16px;margin-bottom:8px;letter-spacing:.2px;}
.know-card p{font-size:14px;line-height:1.85;color:var(--muted);}

/* ============ 保证金算法 ============ */
.calc-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,0.9fr);gap:36px;align-items:start;min-width:0;}
.calc-text{min-width:0;}
.calc-text h2{margin-bottom:14px;}
.calc-text p{font-size:15px;line-height:1.95;color:var(--muted);margin-bottom:14px;}
.formula{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;margin:18px 0;box-shadow:var(--shadow-sm);
}
.formula-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:14px;padding:7px 0;}
.formula-row + .formula-row{border-top:1px dashed var(--line);}
.formula-row b{color:var(--brand);font-weight:700;min-width:0;}
.formula-row span{color:var(--ink-soft);min-width:0;}
.calc-panel{
  background:#0f1c2b;border-radius:var(--radius-lg);padding:24px;
  color:#dbe4ee;box-shadow:var(--shadow-md);min-width:0;
}
.calc-panel h3{font-size:15px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.calc-panel h3 i{color:var(--gold);font-size:13px;}
.calc-list{display:flex;flex-direction:column;gap:12px;}
.calc-list li{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-bottom:11px;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:13.5px;color:#a9bacd;min-width:0;
}
.calc-list li:last-child{border-bottom:0;padding-bottom:0;}
.calc-list li b{color:#fff;font-weight:600;white-space:nowrap;}
.calc-list li span{min-width:0;}
.calc-panel-foot{margin-top:16px;font-size:12px;line-height:1.7;color:#8fa2b6;}

/* ============ 流程步骤 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;min-width:0;}
.flow-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px 20px;min-width:0;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.flow-item:hover{border-color:rgba(200,54,47,.35);transform:translateY(-3px);box-shadow:var(--shadow-md);}
.flow-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:var(--ink);color:#fff;font-size:13px;font-weight:700;margin-bottom:12px;
}
.flow-item h3{font-size:15.5px;margin-bottom:8px;}
.flow-item p{font-size:14px;line-height:1.85;color:var(--muted);}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;min-width:0;}
.scene-card{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;min-width:0;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{border-color:rgba(200,54,47,.3);box-shadow:var(--shadow-md);}
.scene-badge{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand),#e05b52);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 12px 22px -14px rgba(200,54,47,.9);flex:0 0 auto;
}
.scene-body{min-width:0;}
.scene-body h3{font-size:16px;margin-bottom:7px;}
.scene-body p{font-size:14px;line-height:1.85;color:var(--muted);}
.scene-body em{font-style:normal;color:var(--brand);font-weight:600;}

/* ============ 风险度对照 ============ */
.risk-table{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.risk-row{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr) minmax(0,1.1fr);
  gap:16px;padding:16px 22px;border-bottom:1px solid var(--line);min-width:0;
  transition:background-color .2s ease;
}
.risk-row:last-child{border-bottom:0;}
.risk-row:hover{background:#fafbfc;}
.risk-row.risk-head{
  background:#f2f4f7;font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--ink-soft);
}
.risk-row .rc-1{font-size:14.5px;font-weight:600;color:var(--ink);min-width:0;}
.risk-row .rc-2{font-size:14px;line-height:1.8;color:var(--muted);min-width:0;}
.risk-row .rc-3{font-size:14px;line-height:1.8;color:var(--ink-soft);min-width:0;}
.risk-tag{
  display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;margin-bottom:6px;
}
.risk-tag.calm{background:#e8f2ec;color:#2b7a4b;}
.risk-tag.warn{background:#fdf2e2;color:#a8761c;}

/* ============ 误区对照 ============ */
.myth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;min-width:0;}
.myth-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;min-width:0;box-shadow:var(--shadow-sm);
}
.myth-wrong,.myth-right{display:flex;gap:10px;min-width:0;font-size:14px;line-height:1.85;}
.myth-wrong{padding-bottom:12px;margin-bottom:12px;border-bottom:1px dashed var(--line);}
.myth-wrong i{color:#c8362f;margin-top:4px;flex:0 0 auto;font-size:13px;}
.myth-right i{color:#2b7a4b;margin-top:4px;flex:0 0 auto;font-size:13px;}
.myth-wrong span,.myth-right span{min-width:0;color:var(--ink-soft);}
.myth-wrong span b{color:#a3312b;}
.myth-right span b{color:#256b42;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(200,54,47,.35);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 22px;font-size:15.5px;font-weight:600;color:var(--ink);
  transition:color .2s ease,background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);background:#fafbfc;}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-3px;}
.faq-item summary::after{
  content:"\002B";flex:0 0 auto;color:var(--brand);font-size:18px;font-weight:400;line-height:1;
}
.faq-item[open] summary::after{content:"\2212";}
.faq-answer{padding:0 22px 20px;font-size:14.5px;line-height:1.95;color:var(--muted);}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;min-width:0;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;min-width:0;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(200,54,47,.3);}
.news-link{display:block;min-width:0;}
.news-cat{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.4px;
  color:var(--brand);background:var(--brand-soft);
  padding:3px 10px;border-radius:999px;margin-bottom:10px;
}
.news-card h3{
  font-size:15.5px;line-height:1.6;margin-bottom:8px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-link:hover h3{color:var(--brand);}
.news-card p{
  font-size:13.5px;line-height:1.85;color:var(--muted);margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-time{font-size:12.5px;color:#93a1b1;letter-spacing:.3px;}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:26px;text-align:center;font-size:14px;color:var(--muted);
}

/* ============ 收口提示 ============ */
.risk-strip{
  background:linear-gradient(135deg,#0f1c2b 0%,#1a2b3f 100%);
  color:#cfdbe8;border-radius:var(--radius-lg);
  padding:34px 32px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:28px;align-items:center;box-shadow:var(--shadow-md);
}
.risk-strip h2{color:#fff;font-size:clamp(19px,2.3vw,24px);margin-bottom:10px;}
.risk-strip p{font-size:14.5px;line-height:1.9;color:#a5b7ca;}
.risk-strip-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{background:#0f1c2b;color:#b9c7d6;padding:48px 0 0;}
.site-footer .site-row > .cell{margin-bottom:26px;min-width:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.footer-brand .brand-sub{color:#8fa3b8;}
.footer-text{font-size:14px;line-height:1.85;color:#93a5b8;max-width:540px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.6px;margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:#a8b8c9;}
.footer-list a:hover{color:#fff;}
.footer-list a i{width:15px;text-align:center;color:#7f93a8;font-size:13px;}
.footer-list a:hover i{color:var(--gold);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:8px 20px;
  justify-content:space-between;font-size:13px;color:#7f93a8;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-search{flex:1 1 100%;order:3;}
  .nav-links{order:2;margin-left:auto;}
  .cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .dl-inner{grid-template-columns:minmax(0,1fr);gap:22px;}
  .know-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .calc-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .risk-strip{grid-template-columns:minmax(0,1fr);}
  .risk-strip-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  .section{padding:42px 0;}
  .nav-wrap{gap:10px;padding:10px 0;}
  .nav-links{width:100%;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px;margin-left:0;}
  .nav-links a{white-space:nowrap;flex:0 0 auto;}
  .cat-hero{padding:32px 0 36px;}
  .hero-chips span{font-size:12px;padding:4px 11px;}
  .dl-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .know-cards{grid-template-columns:minmax(0,1fr);}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .myth-grid{grid-template-columns:minmax(0,1fr);}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .risk-row{grid-template-columns:minmax(0,1fr);gap:6px;padding:16px 18px;}
  .risk-row.risk-head{display:none;}
  .risk-row .rc-1{font-size:15px;}
  .risk-strip{padding:26px 22px;border-radius:var(--radius);}
  .faq-item summary{padding:15px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;}
}
@media (max-width:520px){
  .site-container{padding:0 15px;}
  .brand-sub{font-size:10px;letter-spacing:.3px;}
  .brand-name{font-size:16px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
  .cat-hero-actions .btn{flex:1 1 100%;}
  .dl-actions{grid-template-columns:minmax(0,1fr);}
  .dl-btn{flex-direction:row;justify-content:flex-start;gap:10px;padding:14px 16px;text-align:left;}
  .dl-btn span{margin-left:auto;}
  .scene-card{grid-template-columns:minmax(0,1fr);gap:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}