/* roulang page: index */
:root{
  --ink-950:#070a18;
  --ink-900:#0b0f24;
  --ink-800:#111634;
  --ink-700:#1a1f3d;
  --ink-600:#232a52;
  --gold:#ffb400;
  --gold-soft:#ffd166;
  --cyan:#3ad2ff;
  --text:#eaeefc;
  --muted:#9aa3c6;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.075);
  --r-sm:8px;
  --r:12px;
  --r-lg:22px;
  --shadow:0 16px 40px rgba(3,6,20,.5);
  --shadow-gold:0 12px 30px rgba(255,180,0,.26);
  --maxw:1180px;
  --side-w:264px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  min-height:100vh;
  background:
    radial-gradient(1100px 560px at 82% -8%, rgba(64,72,168,.5), transparent 62%),
    radial-gradient(900px 520px at -5% 18%, rgba(24,34,96,.75), transparent 58%),
    var(--ink-950);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
::selection{background:rgba(255,180,0,.32);color:#fff}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ============ 布局骨架 ============ */
.site{display:flex;min-height:100vh}
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  display:flex;flex-direction:column;gap:22px;
  padding:26px 20px 22px;
  background:linear-gradient(180deg,rgba(17,22,52,.96),rgba(9,13,32,.98));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  z-index:60;
}
.side__brand{display:flex;align-items:center;gap:12px;padding:6px 4px 18px;border-bottom:1px solid var(--line)}
.side__mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  display:grid;place-items:center;font-weight:900;font-size:20px;color:#241a00;
  background:linear-gradient(140deg,#ffe49a,#ffb400);
  box-shadow:0 8px 22px rgba(255,180,0,.4);
}
.side__brandtext{display:flex;flex-direction:column;line-height:1.25}
.side__brandtext strong{font-size:16px;letter-spacing:.5px}
.side__brandtext em{font-style:normal;font-size:12px;color:var(--gold-soft);letter-spacing:2px}
.side__nav{display:flex;flex-direction:column;gap:6px}
.side__nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  border:1px solid transparent;transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.side__nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);transition:.22s}
.side__nav a:hover{background:var(--glass);color:var(--text);transform:translateX(2px)}
.side__nav a:hover::before{background:var(--gold-soft)}
.side__nav a.is-active{
  background:linear-gradient(100deg,rgba(255,180,0,.18),rgba(255,180,0,.03));
  border-color:rgba(255,180,0,.38);color:#fff;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(255,180,0,.05);
}
.side__nav a.is-active::before{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9)}
.side__foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}
.side__foot strong{display:block;color:var(--gold-soft);font-size:13px;margin-bottom:4px}
.main-area{flex:1;min-width:0;margin-left:var(--side-w);display:flex;flex-direction:column}

/* 移动端顶栏 */
.topbar{display:none}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.3px;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn--gold{background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00;box-shadow:var(--shadow-gold)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,180,0,.42)}
.btn--gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.22);color:var(--text)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn--block{width:100%}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--cyan);background:rgba(58,210,255,.1);border:1px solid rgba(58,210,255,.28);
  letter-spacing:.5px;
}
.chip--gold{color:#241a00;background:linear-gradient(135deg,#ffe49a,#ffb400);border-color:transparent}
.chip--sm{font-size:11px;padding:3px 10px}
.kicker{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:3px;
  color:var(--gold-soft);text-transform:uppercase;margin-bottom:12px;
}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.sec-head h2 span{color:var(--gold-soft)}
.sec-head p{color:var(--muted);font-size:15px}
.section{padding:76px 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008))}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 46px rgba(3,6,20,.58);background:var(--glass-2)}
.empty{padding:26px;border:1px dashed var(--line);border-radius:var(--r);color:var(--muted);text-align:center}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:0 0 72px;border-top:none}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg,rgba(7,10,24,.72),rgba(7,10,24,.93) 62%,var(--ink-950) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.95;
}
.hero::after{
  content:"";position:absolute;z-index:0;left:-12%;top:-24%;width:64%;height:82%;
  background:radial-gradient(circle,rgba(255,180,0,.16),transparent 66%);filter:blur(10px);
}
.hero__inner{position:relative;z-index:2}
.flash{
  position:relative;z-index:3;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:11px 28px;
  background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(58,210,255,.12) 55%,rgba(255,180,0,.18));
  border-bottom:1px solid rgba(255,180,0,.32);
  font-size:13px;
}
.flash__dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(255,180,0,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(255,180,0,0)}100%{box-shadow:0 0 0 0 rgba(255,180,0,0)}}
.flash__label{font-weight:900;letter-spacing:2px;color:var(--gold-soft)}
.flash__text{color:var(--text);font-weight:600}
.flash__timer{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--muted)}
.flash__timer em{font-style:normal;font-size:12px}
.flash__timer strong{
  font-variant-numeric:tabular-nums;letter-spacing:1.5px;font-size:16px;
  color:#fff;padding:3px 12px;border-radius:8px;
  background:rgba(0,0,0,.42);border:1px solid rgba(255,180,0,.4);
  box-shadow:0 0 18px rgba(255,180,0,.28);
}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.78fr);
  gap:44px;align-items:center;padding-top:48px;
}
.hero__tag{display:inline-block;margin-bottom:18px}
.hero h1{font-size:clamp(28px,3.7vw,50px);letter-spacing:.5px;margin-bottom:20px}
.hero h1 span{
  background:linear-gradient(120deg,#ffe49a,#ffb400 60%,#ffd166);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:#c3c9e6;font-size:16px;line-height:1.9;max-width:640px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 32px}
.hero__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;max-width:600px}
.hero__stats>div{
  padding:14px 16px;border-radius:var(--r);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.hero__stats dt{font-size:12px;color:var(--muted);letter-spacing:1px}
.hero__stats dd{margin:2px 0 0;font-size:clamp(19px,2.2vw,25px);font-weight:900;color:var(--gold-soft);font-variant-numeric:tabular-nums}
.hero__card{
  border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(180deg,rgba(35,42,82,.92),rgba(15,20,46,.96));
  border:1px solid rgba(255,180,0,.28);
  box-shadow:0 26px 60px rgba(3,6,20,.62),0 0 0 1px rgba(58,210,255,.08) inset;
}
.hero__card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero__cardbody{padding:22px}
.hero__cardbody h2{font-size:19px;margin:12px 0 10px}
.hero__cardbody p{color:var(--muted);font-size:14px;margin-bottom:16px}
.hero__note{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:12px}
.hero__note b{color:var(--gold-soft)}

/* ============ 内容日历 ============ */
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px}
.cal__day{padding:18px 16px;border-radius:var(--r);border:1px solid var(--line);background:var(--glass);display:flex;flex-direction:column;gap:8px;transition:.24s}
.cal__day:hover{transform:translateY(-4px);border-color:rgba(58,210,255,.4)}
.cal__day.is-today{border-color:rgba(255,180,0,.55);background:linear-gradient(180deg,rgba(255,180,0,.16),rgba(255,180,0,.02));box-shadow:0 14px 34px rgba(255,180,0,.16)}
.cal__date{font-size:12px;letter-spacing:2px;color:var(--gold-soft);font-weight:800}
.cal__day h3{font-size:14px;line-height:1.45}
.cal__day p{font-size:12px;color:var(--muted);line-height:1.6}

/* ============ 热门专题 ============ */
.topic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.topic__item{overflow:hidden;border-radius:var(--r);display:flex;flex-direction:column}
.topic__item img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s}
.topic__item:hover img{transform:scale(1.04)}
.topic__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px}
.topic__body h3{font-size:16px}
.topic__body p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 分类入口 ============ */
.chan{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.chan__item{
  position:relative;display:flex;flex-direction:column;gap:10px;
  padding:28px 26px 24px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(58,210,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(58,210,255,.22);
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.chan__item:hover{transform:translateY(-6px);border-color:rgba(255,180,0,.55);box-shadow:0 24px 50px rgba(3,6,20,.6)}
.chan__no{font-size:12px;font-weight:900;letter-spacing:3px;color:var(--gold-soft)}
.chan__item h3{font-size:20px}
.chan__item p{font-size:14px;color:var(--muted);line-height:1.75}
.chan__more{margin-top:6px;font-size:13px;font-weight:800;color:var(--gold-soft);letter-spacing:1px}
.chan__item:hover .chan__more{color:#fff}

/* ============ 观点解读 ============ */
.opinion{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:44px;align-items:start}
.opinion__text p{color:#bcc3e0;margin-bottom:16px;font-size:15px;line-height:1.9}
.opinion__list{display:flex;flex-direction:column;gap:14px}
.opinion__list li{
  display:flex;gap:16px;padding:18px 20px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--line);transition:.24s;
}
.opinion__list li:hover{border-color:rgba(255,180,0,.42);background:var(--glass-2)}
.opinion__num{font-size:15px;font-weight:900;color:var(--gold);min-width:26px}
.opinion__list h3{font-size:15px;margin-bottom:4px}
.opinion__list p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 玩法亮点 ============ */
.hl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.hl__card{padding:28px 24px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);transition:.24s}
.hl__card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 20px 44px rgba(3,6,20,.55)}
.hl__icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:19px;font-weight:900;color:#231a00;background:linear-gradient(140deg,#ffe49a,#ffb400);margin-bottom:16px;box-shadow:0 8px 20px rgba(255,180,0,.28)}
.hl__card h3{font-size:17px;margin-bottom:9px}
.hl__card p{font-size:14px;color:var(--muted);line-height:1.75}

/* ============ 档位对比 ============ */
.compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.compare__col{padding:28px 24px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px;transition:.24s}
.compare__col:hover{transform:translateY(-5px);border-color:rgba(58,210,255,.4)}
.compare__col.is-reco{border-color:rgba(255,180,0,.6);background:linear-gradient(180deg,rgba(255,180,0,.14),rgba(255,255,255,.03));box-shadow:0 22px 48px rgba(255,180,0,.16)}
.compare__col h3{font-size:19px}
.compare__price{font-size:26px;font-weight:900;color:var(--gold-soft);letter-spacing:.5px}
.compare__price small{font-size:13px;color:var(--muted);font-weight:600;margin-left:6px}
.compare__col ul{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:#c3c9e6}
.compare__col ul li{padding-left:18px;position:relative}
.compare__col ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--cyan)}
.compare__col .btn{margin-top:auto}

/* ============ 资讯 CMS ============ */
.news{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,.68fr);gap:34px;align-items:start}
.news__main{display:flex;flex-direction:column;gap:16px}
.news__item{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;
  padding:14px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);
  transition:.24s;align-items:center;
}
.news__item:hover{transform:translateX(4px);border-color:rgba(255,180,0,.45);background:var(--glass-2)}
.news__thumb{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px}
.news__body{display:flex;flex-direction:column;gap:6px;min-width:0}
.news__body h3{font-size:15.5px;line-height:1.5}
.news__body p{font-size:13px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news__meta{font-size:12px;color:rgba(154,163,198,.8);letter-spacing:.5px}
.news__side{padding:24px 22px;border-radius:var(--r-lg);background:rgba(17,22,52,.72);border:1px solid var(--line)}
.news__side h3{font-size:15px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--gold-soft);letter-spacing:1px}
.news__side ul{display:flex;flex-direction:column;gap:12px}
.news__side li a{display:flex;gap:10px;font-size:13.5px;color:#c3c9e6;line-height:1.6;transition:.2s}
.news__side li a::before{content:"";flex:0 0 5px;width:5px;height:5px;margin-top:9px;border-radius:50%;background:var(--gold)}
.news__side li a:hover{color:var(--gold-soft)}

/* ============ 媒体精选 ============ */
.media{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.media__item{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--glass);transition:.24s}
.media__item:hover{transform:translateY(-5px);border-color:rgba(58,210,255,.45)}
.media__item img{width:100%;aspect-ratio:1/1;object-fit:cover}
.media__cap{padding:14px 16px 18px}
.media__cap h3{font-size:14px;margin-bottom:6px}
.media__cap p{font-size:12.5px;color:var(--muted);line-height:1.6}

/* ============ 数据分析 ============ */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stats__item{padding:26px 22px;border-radius:var(--r);background:linear-gradient(170deg,rgba(58,210,255,.1),rgba(255,255,255,.025));border:1px solid rgba(58,210,255,.2);transition:.24s}
.stats__item:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45)}
.stats__item strong{display:block;font-size:clamp(24px,3vw,34px);color:var(--gold-soft);font-variant-numeric:tabular-nums;letter-spacing:.5px;text-shadow:0 0 22px rgba(255,180,0,.35)}
.stats__item span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ============ 评价墙 ============ */
.review{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:34px;align-items:start}
.review__score{padding:30px 26px;border-radius:var(--r-lg);background:linear-gradient(170deg,rgba(255,180,0,.16),rgba(255,255,255,.03));border:1px solid rgba(255,180,0,.4);text-align:center}
.review__score strong{display:block;font-size:52px;line-height:1;color:#fff;font-weight:900;text-shadow:0 0 30px rgba(255,180,0,.45)}
.review__score b{display:block;margin-top:10px;color:var(--gold-soft);letter-spacing:3px;font-size:14px}
.review__score p{margin-top:12px;font-size:13px;color:var(--muted)}
.review__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.review__item{padding:20px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);transition:.24s}
.review__item:hover{border-color:rgba(58,210,255,.42);transform:translateY(-4px)}
.review__item p{font-size:13.5px;color:#c3c9e6;line-height:1.75}
.review__who{margin-top:12px;font-size:12px;color:var(--gold-soft);letter-spacing:1px}

/* ============ 里程碑 ============ */
.mile{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;position:relative}
.mile__node{padding:24px 20px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);position:relative;transition:.24s}
.mile__node::after{content:"";position:absolute;right:-12px;top:50%;width:12px;height:1px;background:rgba(255,180,0,.45)}
.mile__node:last-child::after{display:none}
.mile__node:hover{border-color:rgba(255,180,0,.45);transform:translateY(-4px)}
.mile__node span{font-size:12px;font-weight:900;letter-spacing:2px;color:var(--gold-soft)}
.mile__node h3{font-size:15px;margin:8px 0 6px}
.mile__node p{font-size:13px;color:var(--muted);line-height:1.65}

/* ============ 误区澄清 ============ */
.myth{display:flex;flex-direction:column;gap:14px;max-width:920px}
.myth__item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:0 22px;transition:.24s}
.myth__item[open]{border-color:rgba(255,180,0,.42);background:var(--glass-2)}
.myth__item summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 0;font-weight:700;font-size:15.5px;cursor:pointer;
}
.myth__item summary::-webkit-details-marker{display:none}
.myth__item summary::after{content:"+";color:var(--gold);font-size:20px;font-weight:700;line-height:1}
.myth__item[open] summary::after{content:"−"}
.myth__item p{padding:0 0 20px;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 平台保障 ============ */
.guard{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guard__item{padding:26px 22px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);transition:.24s}
.guard__item:hover{transform:translateY(-4px);border-color:rgba(58,210,255,.42)}
.guard__item b{display:block;font-size:15px;margin-bottom:8px;color:#fff}
.guard__item em{font-style:normal;display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(58,210,255,.14);color:var(--cyan);font-size:15px;font-weight:900;margin-bottom:12px}
.guard__item p{font-size:13px;color:var(--muted);line-height:1.7}

/* ============ 订阅条 ============ */
.subscribe{border-top:1px solid var(--line);padding:56px 0}
.subscribe__box{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:34px;align-items:center;
  padding:40px 38px;border-radius:var(--r-lg);
  background:
    linear-gradient(120deg,rgba(255,180,0,.16),rgba(58,210,255,.1) 60%,rgba(255,255,255,.03)),
    rgba(17,22,52,.7);
  border:1px solid rgba(255,180,0,.34);
  box-shadow:0 26px 60px rgba(3,6,20,.55);
}
.subscribe__box h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px}
.subscribe__box p{font-size:14px;color:#c3c9e6;line-height:1.8}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 200px;min-width:0;padding:13px 18px;border-radius:999px;
  background:rgba(6,9,22,.62);border:1px solid rgba(255,255,255,.18);color:var(--text);
  transition:border-color .22s,box-shadow .22s;
}
.sub-form input::placeholder{color:rgba(154,163,198,.75)}
.sub-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.18)}
.sub-note{display:block;margin-top:12px;font-size:12.5px;color:var(--gold-soft);min-height:18px}

/* ============ 页脚 ============ */
.foot{border-top:1px solid var(--line);background:rgba(6,9,22,.72);padding:52px 0 0;margin-top:auto}
.foot__grid{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,.85fr));gap:34px;padding-bottom:36px}
.foot__brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot__brand .side__mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:17px}
.foot__brand strong{font-size:16px}
.foot p{font-size:13px;color:var(--muted);line-height:1.8}
.foot h4{font-size:14px;color:var(--gold-soft);letter-spacing:1px;margin-bottom:14px}
.foot ul{display:flex;flex-direction:column;gap:9px}
.foot ul a{font-size:13.5px;color:var(--muted);transition:.2s}
.foot ul a:hover{color:var(--gold-soft)}
.foot__bar{
  border-top:1px solid var(--line);padding:18px 0;
  font-size:12.5px;color:rgba(154,163,198,.82);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .hero__grid{gap:30px}
  .media{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mile{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mile__node::after{display:none}
  .guard{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cal{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:1024px){
  .side{display:none}
  .main-area{margin-left:0}
  .topbar{
    display:flex;flex-direction:column;gap:10px;
    position:sticky;top:0;z-index:70;
    padding:12px 0 10px;
    background:rgba(9,13,32,.94);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .topbar__row{display:flex;align-items:center;gap:10px;padding:0 20px}
  .topbar__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px}
  .topbar__brand .side__mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:15px}
  .topbar__nav{display:flex;gap:8px;overflow-x:auto;padding:0 20px 4px;scrollbar-width:none}
  .topbar__nav::-webkit-scrollbar{display:none}
  .topbar__nav a{
    white-space:nowrap;padding:7px 15px;border-radius:999px;font-size:13.5px;
    color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03);
  }
  .topbar__nav a.is-active{color:#231a00;background:linear-gradient(135deg,#ffd166,#ffb400);border-color:transparent;font-weight:800}
  .hero__grid{grid-template-columns:1fr;padding-top:34px}
  .hero__card{max-width:520px}
  .topic,.chan,.hl,.compare{grid-template-columns:repeat(2,minmax(0,1fr))}
  .opinion,.news,.review,.subscribe__box{grid-template-columns:1fr}
  .review__list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cal{grid-template-columns:repeat(3,minmax(0,1fr))}
  .foot__grid{grid-template-columns:1fr 1fr}
  .section{padding:58px 0}
}
@media (max-width:768px){
  .wrap{padding:0 18px}
  .hero h1{font-size:clamp(24px,6vw,32px)}
  .hero__lead{font-size:14.5px}
  .hero__stats{grid-template-columns:1fr 1fr}
  .flash{padding:10px 18px;gap:10px}
  .flash__timer{margin-left:0;width:100%}
  .topic,.chan,.hl,.compare,.media,.stats,.mile,.guard,.cal{grid-template-columns:1fr 1fr}
  .news__item{grid-template-columns:110px minmax(0,1fr);gap:14px}
  .review__list{grid-template-columns:1fr}
  .subscribe__box{padding:28px 22px}
  .sec-head{margin-bottom:26px}
}
@media (max-width:520px){
  .topic,.chan,.hl,.compare,.media,.stats,.mile,.guard,.cal{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:1fr}
  .news__item{grid-template-columns:1fr}
  .news__thumb{aspect-ratio:16/9}
  .foot__grid{grid-template-columns:1fr}
  .btn{padding:12px 20px;font-size:14px}
  .hero__actions .btn{flex:1 1 100%}
  .sub-form .btn{flex:1 1 100%}
  .foot__bar{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
 --ink-950:#070a18;
 --ink-900:#0b0f24;
 --ink-800:#111634;
 --ink-700:#1a1f3d;
 --ink-600:#232a52;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --cyan:#3ad2ff;
 --text:#eaeefc;
 --muted:#9aa3c6;
 --line:rgba(255,255,255,.09);
 --glass:rgba(255,255,255,.045);
 --glass-2:rgba(255,255,255,.075);
 --r-sm:8px;
 --r:12px;
 --r-lg:22px;
 --shadow:0 16px 40px rgba(3,6,20,.5);
 --shadow-gold:0 12px 30px rgba(255,180,0,.26);
 --maxw:1180px;
 --side-w:264px;
}
*{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",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 min-height:100vh;
 background:
 radial-gradient(1100px 560px at 82% -8%, rgba(64,72,168,.5), transparent 62%),
 radial-gradient(900px 520px at -5% 18%, rgba(24,34,96,.75), transparent 58%),
 var(--ink-950);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ===== 左侧导航 ===== */
.side{
 position:fixed;left:0;top:0;bottom:0;width:var(--side-w);z-index:60;
 padding:24px 18px;overflow-y:auto;
 background:linear-gradient(180deg,rgba(17,22,52,.97),rgba(7,10,24,.99));
 border-right:1px solid var(--line);
 backdrop-filter:blur(14px);
}
.side__brand{display:flex;align-items:center;gap:12px;padding:6px 4px 18px;border-bottom:1px solid var(--line)}
.side__mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:12px;flex:0 0 auto;
 background:linear-gradient(135deg,#ffe49a,#ffb400);
 color:#241a00;font-weight:900;font-size:18px;
 box-shadow:0 8px 20px rgba(255,180,0,.32);
}
.side__brandtext{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.side__brandtext strong{font-size:16px;letter-spacing:.5px}
.side__brandtext em{font-style:normal;font-size:12px;color:var(--gold-soft);letter-spacing:2px}
.side__nav{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.side__nav a{
 display:flex;align-items:center;gap:10px;
 padding:11px 14px;border-radius:10px;font-size:15px;color:var(--muted);
 border:1px solid transparent;transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.side__nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);transition:.22s}
.side__nav a:hover{background:var(--glass);color:var(--text);transform:translateX(2px)}
.side__nav a:hover::before{background:var(--gold-soft)}
.side__nav a.is-active{
 background:linear-gradient(100deg,rgba(255,180,0,.18),rgba(255,180,0,.03));
 border-color:rgba(255,180,0,.38);color:#fff;font-weight:700;
}
.side__nav a.is-active::before{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9)}
.side__foot{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.8}
.side__foot b{color:var(--gold-soft);font-weight:700}

/* ===== 主区域 ===== */
.main-area{margin-left:var(--side-w);display:flex;flex-direction:column;min-height:100vh;min-width:0}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 26px}

/* ===== 通用组件 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn--gold{background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00;box-shadow:var(--shadow-gold)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,180,0,.42)}
.btn--gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.22);color:var(--text)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
 color:var(--cyan);background:rgba(58,210,255,.1);border:1px solid rgba(58,210,255,.28);
 letter-spacing:.5px;
}
.chip--gold{color:#241a00;background:linear-gradient(135deg,#ffe49a,#ffb400);border-color:transparent}
.chip--line{color:var(--muted);background:rgba(255,255,255,.04);border-color:var(--line)}
.card{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 46px rgba(3,6,20,.58);background:var(--glass-2)}
.section{padding:70px 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008))}
.section__head{max-width:760px;margin-bottom:34px}
.section__head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.section__head p{color:var(--muted);font-size:15px;line-height:1.9}
.section__eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:3px;color:var(--gold-soft);margin-bottom:12px}

/* ===== 文章头部 ===== */
.ahero{position:relative;overflow:hidden;padding:52px 0 58px;border-bottom:1px solid var(--line)}
.ahero::before{
 content:"";position:absolute;inset:0;z-index:0;
 background:
 linear-gradient(180deg,rgba(7,10,24,.66),rgba(7,10,24,.94) 64%,var(--ink-950) 100%),
 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.ahero::after{
 content:"";position:absolute;z-index:0;right:-14%;top:-30%;width:60%;height:96%;
 background:radial-gradient(circle,rgba(255,180,0,.16),transparent 66%);filter:blur(12px);
}
.ahero__inner{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumbs a:hover{color:var(--gold-soft)}
.crumbs span{opacity:.5}
.ahero__chips{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.heat{
 display:inline-flex;align-items:center;gap:7px;padding:4px 12px;border-radius:999px;
 font-size:12px;font-weight:700;color:#fff;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.4);
}
.heat i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(255,180,0,.7);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,180,0,.6)}70%{box-shadow:0 0 0 10px rgba(255,180,0,0)}100%{box-shadow:0 0 0 0 rgba(255,180,0,0)}}
.ahero h1{font-size:clamp(25px,3.4vw,42px);line-height:1.28;margin-bottom:18px;text-wrap:balance}
.ahero__lead{color:#c3c9e6;font-size:15.5px;line-height:1.95;max-width:800px}
.ahero__meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;font-size:13px;color:var(--muted)}
.ahero__meta b{color:var(--gold-soft);font-weight:700}
.pullquote{
 margin-top:28px;padding:18px 24px;border-radius:0 var(--r) var(--r) 0;
 border-left:4px solid var(--gold);
 background:linear-gradient(100deg,rgba(255,180,0,.1),rgba(255,180,0,.01));
 color:#e7ecff;font-size:15.5px;line-height:1.9;max-width:860px;
}

/* ===== 文章布局 ===== */
.article__layout{
 display:grid;grid-template-columns:minmax(0,1fr) 312px;
 gap:32px;align-items:start;padding:56px 0 10px;
}
.article__main{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:34px 36px 40px;backdrop-filter:blur(10px);box-shadow:var(--shadow);
}
.article__head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-bottom:20px;margin-bottom:26px;border-bottom:1px dashed var(--line)}
.article__stamp{font-size:13px;color:var(--muted)}
.article__body{font-size:16.5px;line-height:2;color:#d6dcf4}
.article__body h1{font-size:clamp(21px,2.4vw,27px);margin:34px 0 16px;color:#fff}
.article__body h2{
 font-size:clamp(20px,2.3vw,26px);margin:40px 0 16px;padding-left:14px;color:#fff;
 border-left:4px solid var(--gold);line-height:1.4;
}
.article__body h3{font-size:18px;margin:28px 0 12px;color:var(--gold-soft)}
.article__body h4{font-size:16.5px;margin:22px 0 10px;color:#fff}
.article__body p{margin:0 0 18px}
.article__body ul,.article__body ol{margin:0 0 20px;padding-left:22px;list-style:disc}
.article__body ol{list-style:decimal}
.article__body li{margin-bottom:9px}
.article__body li::marker{color:var(--gold)}
.article__body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article__body a:hover{color:var(--gold-soft)}
.article__body img{border-radius:var(--r);margin:20px 0;border:1px solid var(--line);box-shadow:var(--shadow)}
.article__body blockquote{
 margin:26px 0;padding:18px 24px;border-radius:0 var(--r) var(--r) 0;
 border-left:4px solid rgba(58,210,255,.65);background:rgba(58,210,255,.07);color:#c9d3f5;
}
.article__body blockquote p:last-child{margin-bottom:0}
.article__body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article__body th,.article__body td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.article__body th{background:rgba(255,255,255,.06);color:var(--gold-soft);font-weight:700}
.article__body tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article__body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article__empty{
 background:var(--glass);border:1px dashed rgba(255,180,0,.4);border-radius:var(--r-lg);
 padding:52px 32px;text-align:center;
}
.article__empty h2{font-size:22px;margin-bottom:12px}
.article__empty p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ===== 侧栏 ===== */
.article__aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:24px}
.panel{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 padding:22px 22px 24px;backdrop-filter:blur(10px);
}
.panel h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.panel h3::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,#ffe49a,#ffb400)}
.panel ul{display:flex;flex-direction:column;gap:11px}
.panel li{font-size:14px;color:#c3c9e6;line-height:1.75;padding-left:16px;position:relative}
.panel li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:rgba(58,210,255,.75)}
.panel--gold{background:linear-gradient(160deg,rgba(255,180,0,.13),rgba(255,180,0,.02));border-color:rgba(255,180,0,.32)}
.panel--gold li::before{background:var(--gold)}
.panel__num{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.panel__num strong{font-size:26px;font-weight:900;color:var(--gold-soft);font-variant-numeric:tabular-nums;line-height:1}
.panel__num span{font-size:12.5px;color:var(--muted)}

/* ===== 数据条 ===== */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 padding:22px 20px;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.stat:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.4);box-shadow:0 20px 40px rgba(3,6,20,.5)}
.stat dt{font-size:12.5px;color:var(--muted);letter-spacing:.6px}
.stat dd{margin:6px 0 0;font-size:clamp(20px,2.2vw,26px);font-weight:900;color:var(--gold-soft);font-variant-numeric:tabular-nums}
.stat small{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);font-weight:400;line-height:1.7}

/* ===== 机制卡 ===== */
.mech__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mech{padding:26px 24px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s}
.mech:hover{transform:translateY(-5px);border-color:rgba(58,210,255,.4);box-shadow:0 22px 46px rgba(3,6,20,.55)}
.mech__icon{
 width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 background:rgba(58,210,255,.12);border:1px solid rgba(58,210,255,.3);color:var(--cyan);
 font-weight:900;font-size:17px;margin-bottom:16px;
}
.mech h3{font-size:17px;margin-bottom:10px}
.mech p{font-size:14.5px;color:var(--muted);line-height:1.9}
.mech__tag{margin-top:16px;display:inline-block}

/* ===== 延伸阅读 ===== */
.rel__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel{overflow:hidden;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s}
.rel:hover{transform:translateY(-6px);border-color:rgba(255,180,0,.42);box-shadow:0 24px 50px rgba(3,6,20,.6)}
.rel__pic{position:relative;overflow:hidden}
.rel__pic img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.rel:hover .rel__pic img{transform:scale(1.05)}
.rel__pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,10,24,.75))}
.rel__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel__body h3{font-size:16.5px}
.rel__body p{font-size:14px;color:var(--muted);line-height:1.85;flex:1}

/* ===== FAQ ===== */
.faq{display:grid;gap:14px;max-width:920px}
.faq__item{border:1px solid var(--line);border-radius:var(--r);background:var(--glass);overflow:hidden;transition:border-color .25s,background .25s}
.faq__item[open]{border-color:rgba(255,180,0,.42);background:rgba(255,180,0,.05)}
.faq__item summary{
 list-style:none;cursor:pointer;padding:17px 22px;font-size:15.5px;font-weight:700;color:#fff;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
 content:"+";font-size:19px;font-weight:400;color:var(--gold);transition:transform .25s;line-height:1;
}
.faq__item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq__item p{padding:0 22px 20px;font-size:14.5px;color:#c3c9e6;line-height:1.95}

/* ===== 收口 CTA ===== */
.ctaband{
 position:relative;overflow:hidden;border-radius:var(--r-lg);
 padding:46px 44px;border:1px solid rgba(255,180,0,.3);
 background:linear-gradient(130deg,rgba(35,42,82,.9),rgba(11,15,36,.96));
 box-shadow:var(--shadow);
}
.ctaband::before{
 content:"";position:absolute;right:-10%;top:-40%;width:52%;height:150%;
 background:radial-gradient(circle,rgba(255,180,0,.22),transparent 65%);filter:blur(10px);
}
.ctaband__inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.ctaband h2{font-size:clamp(20px,2.4vw,27px);margin-bottom:10px}
.ctaband p{color:var(--muted);font-size:14.5px;line-height:1.9;max-width:560px}
.ctaband__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.foot{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,15,36,.4),rgba(7,10,24,.9));margin-top:auto}
.foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding:56px 26px 34px}
.foot__brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot__brand strong{font-size:16px}
.foot p{font-size:14px;color:var(--muted);line-height:1.9}
.foot h4{font-size:14.5px;margin-bottom:16px;color:#fff;letter-spacing:.6px}
.foot ul{display:flex;flex-direction:column;gap:10px}
.foot ul a{font-size:14px;color:var(--muted);transition:color .2s,transform .2s;display:inline-block}
.foot ul a:hover{color:var(--gold-soft);transform:translateX(3px)}
.foot__bar{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding:18px 0 26px;border-top:1px solid var(--line);
 font-size:12.5px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media (max-width:1120px){
 .article__layout{grid-template-columns:minmax(0,1fr) 280px;gap:24px}
 .mech__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .rel__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
 .side{
  position:sticky;top:0;left:auto;right:auto;bottom:auto;width:100%;height:auto;
  padding:10px 16px;display:flex;align-items:center;gap:14px;overflow-x:auto;overflow-y:hidden;
  border-right:none;border-bottom:1px solid var(--line);
 }
 .side__brand{padding:0;border-bottom:none;flex:0 0 auto}
 .side__brandtext em{display:none}
 .side__brandtext strong{font-size:14.5px;white-space:nowrap}
 .side__nav{flex-direction:row;gap:8px;margin-top:0;flex:0 0 auto}
 .side__nav a{white-space:nowrap;padding:8px 12px;font-size:14px}
 .side__nav a::before{display:none}
 .side__foot{display:none}
 .main-area{margin-left:0}
 .article__layout{grid-template-columns:minmax(0,1fr)}
 .article__aside{position:static}
 .foot__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
 .wrap{padding:0 18px}
 .section{padding:52px 0}
 .ahero{padding:36px 0 44px}
 .article__main{padding:26px 20px 30px;border-radius:var(--r)}
 .article__body{font-size:15.5px;line-height:1.95}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .mech__grid,.rel__grid{grid-template-columns:minmax(0,1fr)}
 .ctaband{padding:32px 24px}
 .ctaband__actions .btn{width:100%}
 .foot__grid{grid-template-columns:1fr;gap:28px;padding:44px 18px 28px}
 .foot__bar{flex-direction:column}
}
@media (max-width:520px){
 .side__brandtext{display:none}
 .side__nav a{font-size:13.5px;padding:7px 10px}
 .ahero__meta{gap:12px;font-size:12.5px}
 .pullquote{font-size:14.5px;padding:14px 16px}
 .stats{grid-template-columns:minmax(0,1fr)}
 .article__body h2{font-size:19px}
 .faq__item summary{padding:15px 16px;font-size:14.5px}
 .faq__item p{padding:0 16px 18px}
}

/* roulang page: category1 */
:root{
 --ink-950:#070a18;
 --ink-900:#0b0f24;
 --ink-800:#111634;
 --ink-700:#1a1f3d;
 --ink-600:#232a52;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --cyan:#3ad2ff;
 --text:#eaeefc;
 --muted:#9aa3c6;
 --line:rgba(255,255,255,.09);
 --glass:rgba(255,255,255,.045);
 --glass-2:rgba(255,255,255,.075);
 --r-sm:8px;
 --r:12px;
 --r-lg:22px;
 --shadow:0 16px 40px rgba(3,6,20,.5);
 --shadow-gold:0 12px 30px rgba(255,180,0,.26);
 --maxw:1180px;
 --side-w:264px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 min-height:100vh;
 background:
  radial-gradient(1100px 560px at 82% -8%, rgba(64,72,168,.5), transparent 62%),
  radial-gradient(900px 520px at -5% 18%, rgba(24,34,96,.75), transparent 58%),
  var(--ink-950);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.4px}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}

/* ===== 左侧竖向导航 ===== */
.side{
 position:fixed;top:0;left:0;bottom:0;width:var(--side-w);z-index:40;
 background:linear-gradient(180deg,rgba(17,22,52,.96),rgba(7,10,24,.98));
 border-right:1px solid var(--line);
 backdrop-filter:blur(14px);
 overflow-y:auto;
}
.side__inner{padding:26px 20px 30px;display:flex;flex-direction:column;min-height:100%}
.side__brand{display:flex;align-items:center;gap:12px;padding:6px 4px 18px;border-bottom:1px solid var(--line);margin-bottom:20px}
.side__mark{
 width:38px;height:38px;flex:0 0 38px;border-radius:11px;
 display:grid;place-items:center;font-weight:900;font-size:18px;color:#231a00;
 background:linear-gradient(135deg,#ffd166,#ffb400);
 box-shadow:0 8px 20px rgba(255,180,0,.3);
}
.side__brandtext{display:flex;flex-direction:column;line-height:1.3}
.side__brandtext strong{font-size:15px;letter-spacing:.4px}
.side__brandtext em{font-style:normal;font-size:11.5px;color:var(--gold-soft);letter-spacing:1.6px}
.side__nav{display:flex;flex-direction:column;gap:6px}
.side__nav a{
 display:flex;align-items:center;gap:10px;
 padding:11px 14px;border-radius:10px;font-size:15px;color:var(--muted);
 border:1px solid transparent;
 transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.side__nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);transition:.22s}
.side__nav a:hover{background:var(--glass);color:var(--text);transform:translateX(2px)}
.side__nav a:hover::before{background:var(--gold-soft)}
.side__nav a.is-active{
 background:linear-gradient(100deg,rgba(255,180,0,.18),rgba(255,180,0,.03));
 border-color:rgba(255,180,0,.38);color:#fff;font-weight:700;
}
.side__nav a.is-active::before{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9)}
.side__foot{margin-top:auto;padding-top:24px;font-size:12px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line)}
.side__foot b{color:var(--gold-soft);font-weight:700}
.main-area{margin-left:var(--side-w);display:flex;flex-direction:column;min-height:100vh;min-width:0}

/* ===== 通用组件 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn--gold{background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00;box-shadow:var(--shadow-gold)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,180,0,.42);color:#231a00}
.btn--gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.22);color:var(--text)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn--block{width:100%}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
 color:var(--cyan);background:rgba(58,210,255,.1);border:1px solid rgba(58,210,255,.28);
 letter-spacing:.5px;
}
.chip--gold{color:#241a00;background:linear-gradient(135deg,#ffe49a,#ffb400);border-color:transparent}
.chip--sm{font-size:11px;padding:3px 10px}
.card{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 backdrop-filter:blur(10px);
 transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 46px rgba(3,6,20,.58);background:var(--glass-2)}
.section{padding:74px 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008))}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.sec-head h2{font-size:clamp(22px,2.5vw,31px)}
.sec-head p{color:var(--muted);font-size:14.5px;margin:8px 0 0;max-width:640px}
.eyebrow{
 display:inline-block;font-size:12px;letter-spacing:2.4px;color:var(--gold-soft);
 font-weight:700;margin-bottom:10px;text-transform:uppercase;
}
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:46px;align-items:start}

/* ===== 分类页 Hero ===== */
.pagehero{position:relative;overflow:hidden;padding:56px 0 62px;border-bottom:1px solid var(--line)}
.pagehero::before{
 content:"";position:absolute;inset:0;z-index:0;
 background:
  linear-gradient(180deg,rgba(7,10,24,.78),rgba(7,10,24,.94) 66%,var(--ink-950) 100%),
  url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.pagehero::after{
 content:"";position:absolute;z-index:0;right:-14%;top:-30%;width:58%;height:88%;
 background:radial-gradient(circle,rgba(255,180,0,.15),transparent 66%);filter:blur(12px);
}
.pagehero__inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--gold-soft)}
.crumb em{font-style:normal;color:var(--gold-soft)}
.pagehero__grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,.82fr);gap:42px;align-items:center}
.pagehero h1{font-size:clamp(26px,3.4vw,45px);margin-bottom:18px}
.pagehero h1 span{
 background:linear-gradient(120deg,#ffe49a,#ffb400 58%,#ffd166);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.pagehero__lead{color:#c3c9e6;font-size:15.5px;line-height:1.95;max-width:620px}
.pagehero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.spec{
 border-radius:var(--r-lg);padding:24px;
 background:linear-gradient(180deg,rgba(35,42,82,.9),rgba(15,20,46,.96));
 border:1px solid rgba(255,180,0,.28);
 box-shadow:0 26px 60px rgba(3,6,20,.6);
}
.spec__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.spec__head span.spec__tag{font-size:12px;color:var(--muted);letter-spacing:1.4px}
.spec__list{list-style:none;display:grid;gap:12px;margin:0 0 16px}
.spec__list li{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:11px 14px;border-radius:var(--r-sm);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
 font-size:13.5px;color:var(--muted);
}
.spec__list b{color:var(--gold-soft);font-size:14.5px;font-variant-numeric:tabular-nums;white-space:nowrap}
.spec__note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-bottom:18px}

/* ===== 三主线 ===== */
.line-list{display:grid;gap:16px}
.line-item{
 display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
 padding:20px 22px;border-radius:var(--r);
 background:var(--glass);border:1px solid var(--line);
 transition:border-color .25s,background .25s,transform .25s;
}
.line-item:hover{border-color:rgba(255,180,0,.4);background:var(--glass-2);transform:translateX(4px)}
.line-item .num{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 font-weight:900;color:var(--gold-soft);font-size:17px;
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);
}
.line-item h3{font-size:17px;margin-bottom:6px}
.line-item p{color:var(--muted);font-size:14px;margin:0}

/* ===== 步骤流程 ===== */
.steps{list-style:none;counter-reset:step;display:grid;gap:0}
.steps li{
 position:relative;padding:0 0 30px 62px;counter-increment:step;
}
.steps li::before{
 content:counter(step,decimal-leading-zero);
 position:absolute;left:0;top:0;width:42px;height:42px;border-radius:12px;
 display:grid;place-items:center;font-weight:900;font-size:14px;
 color:#231a00;background:linear-gradient(135deg,#ffd166,#ffb400);
 box-shadow:0 10px 22px rgba(255,180,0,.24);
}
.steps li::after{
 content:"";position:absolute;left:20px;top:46px;bottom:6px;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.4),rgba(255,180,0,0));
}
.steps li:last-child{padding-bottom:0}
.steps li:last-child::after{display:none}
.steps h3{font-size:17px;margin-bottom:7px}
.steps p{color:var(--muted);font-size:14px;margin:0}

/* ===== 盘面卡片 ===== */
.tile{overflow:hidden;border-radius:var(--r);display:flex;flex-direction:column}
.tile img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.tile:hover img{transform:scale(1.04)}
.tile__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.tile__body h3{font-size:17px}
.tile__body p{color:var(--muted);font-size:14px;margin:0}
.tile__meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:2px}

/* ===== 倍率表 ===== */
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:var(--glass)}
table.rate{width:100%;border-collapse:collapse;font-size:14px;min-width:640px;margin:0;background:transparent}
table.rate thead th{
 background:rgba(255,180,0,.1);color:var(--gold-soft);
 text-align:left;padding:14px 18px;font-weight:700;font-size:13.5px;letter-spacing:.5px;
 border-bottom:1px solid rgba(255,180,0,.24);white-space:nowrap;
}
table.rate tbody td{
 padding:14px 18px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top;
}
table.rate tbody tr:last-child td{border-bottom:none}
table.rate tbody tr:hover td{background:rgba(255,255,255,.035)}
table.rate td strong{color:var(--text);font-weight:700}

/* ===== 误区对照 ===== */
.versus{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.versus__col{padding:24px;border-radius:var(--r);border:1px solid var(--line);background:var(--glass)}
.versus__col--bad{border-color:rgba(255,99,99,.26);background:rgba(255,99,99,.05)}
.versus__col--good{border-color:rgba(58,210,255,.26);background:rgba(58,210,255,.05)}
.versus__col h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.versus__col ul{list-style:none;display:grid;gap:12px}
.versus__col li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.versus__col li::before{content:"";width:6px;height:6px;border-radius:50%;margin-top:9px;flex:0 0 6px;background:var(--gold)}

/* ===== 复盘图文 ===== */
.review{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:36px;align-items:center}
.review__media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.review__media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.review h2{font-size:clamp(21px,2.4vw,29px);margin-bottom:14px}
.review p{color:var(--muted);font-size:14.5px}
.mini-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0 0}
.mini-stats div{padding:14px 16px;border-radius:var(--r-sm);background:rgba(255,255,255,.045);border:1px solid var(--line)}
.mini-stats span{display:block;font-size:12px;color:var(--muted);letter-spacing:.6px}
.mini-stats b{font-size:19px;color:var(--gold-soft);font-variant-numeric:tabular-nums}

/* ===== FAQ ===== */
.faq__item{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 padding:4px 22px;margin-bottom:14px;transition:border-color .25s,background .25s;
}
.faq__item:hover{border-color:rgba(255,180,0,.36);background:var(--glass-2)}
.faq__item summary{
 cursor:pointer;padding:16px 0;font-weight:700;font-size:15.5px;
 display:flex;justify-content:space-between;align-items:center;gap:16px;list-style:none;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--gold);font-size:22px;font-weight:400;line-height:1;transition:transform .2s}
.faq__item[open] summary::after{content:"–"}
.faq__item p{color:var(--muted);font-size:14.5px;margin:0 0 18px;line-height:1.85}

/* ===== CTA ===== */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--r-lg);
 padding:44px 42px;
 background:linear-gradient(120deg,rgba(35,42,82,.96),rgba(15,20,46,.98));
 border:1px solid rgba(255,180,0,.3);
 box-shadow:0 24px 58px rgba(3,6,20,.55);
 display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:28px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;right:-8%;top:-46%;width:44%;height:180%;
 background:radial-gradient(circle,rgba(255,180,0,.18),transparent 66%);filter:blur(8px);
}
.cta-band h2{font-size:clamp(21px,2.5vw,29px);margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:14.5px;margin:0}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.disclaimer{font-size:12.5px;color:var(--muted);margin-top:18px;line-height:1.8}

/* ===== 页脚 ===== */
.foot{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(7,10,24,.94));padding:54px 0 0;margin-top:10px}
.foot__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:38px;padding-bottom:42px}
.foot__brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot__brand strong{font-size:16px;letter-spacing:.4px}
.foot p{color:var(--muted);font-size:13.5px;line-height:1.85;max-width:420px}
.foot h4{font-size:13.5px;letter-spacing:1.2px;color:var(--gold-soft);margin:0 0 15px}
.foot ul{list-style:none;display:grid;gap:10px}
.foot ul a{color:var(--muted);font-size:14px;transition:color .2s,transform .2s;display:inline-block}
.foot ul a:hover{color:var(--gold-soft);transform:translateX(3px)}
.foot__bar{
 border-top:1px solid var(--line);padding:18px 0 28px;
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
 .side{position:static;width:auto;height:auto;bottom:auto;border-right:none;border-bottom:1px solid var(--line);overflow:visible}
 .side__inner{padding:16px 20px 14px;min-height:0}
 .side__brand{padding:0 0 12px;margin-bottom:12px}
 .side__nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px}
 .side__nav a{white-space:nowrap;padding:9px 14px;font-size:14px}
 .side__nav a:hover{transform:none}
 .side__foot{display:none}
 .main-area{margin-left:0}
 .pagehero__grid{grid-template-columns:1fr;gap:30px}
 .split{grid-template-columns:1fr;gap:28px}
 .review{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr;padding:34px 28px}
 .cta-band__actions{flex-direction:row;flex-wrap:wrap}
 .cta-band__actions .btn{flex:1 1 180px}
}
@media (max-width:900px){
 .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .foot__grid{grid-template-columns:1fr 1fr}
 .foot__grid>div:first-child{grid-column:1/-1}
}
@media (max-width:768px){
 .wrap{padding:0 20px}
 .section{padding:56px 0}
 .grid--2,.grid--3,.versus{grid-template-columns:1fr}
 .mini-stats{grid-template-columns:1fr 1fr}
 .pagehero{padding:40px 0 48px}
 .steps li{padding-left:54px}
 .steps li::before{width:38px;height:38px;font-size:13px}
 .steps li::after{left:18px;top:42px}
}
@media (max-width:520px){
 .wrap{padding:0 16px}
 .side__brandtext strong{font-size:14px}
 .pagehero h1{font-size:24px}
 .sec-head h2{font-size:21px}
 .cta-band{padding:28px 20px}
 .mini-stats{grid-template-columns:1fr}
 .foot__grid{grid-template-columns:1fr;gap:28px}
 .foot__bar{font-size:12px}
 .spec{padding:20px}
 .spec__list li{flex-direction:column;align-items:flex-start;gap:4px}
}

/* roulang page: category2 */
:root{
 --ink-950:#070a18;
 --ink-900:#0b0f24;
 --ink-800:#111634;
 --ink-700:#1a1f3d;
 --ink-600:#232a52;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --cyan:#3ad2ff;
 --text:#eaeefc;
 --muted:#9aa3c6;
 --line:rgba(255,255,255,.09);
 --glass:rgba(255,255,255,.045);
 --glass-2:rgba(255,255,255,.075);
 --r-sm:8px;
 --r:12px;
 --r-lg:22px;
 --shadow:0 16px 40px rgba(3,6,20,.5);
 --shadow-gold:0 12px 30px rgba(255,180,0,.26);
 --maxw:1180px;
 --side-w:264px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 min-height:100vh;
 background:
 radial-gradient(1100px 560px at 82% -8%, rgba(64,72,168,.5), transparent 62%),
 radial-gradient(900px 520px at -5% 18%, rgba(24,34,96,.75), transparent 58%),
 var(--ink-950);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--gold-soft)}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ================= 侧栏 ================= */
.side{
 position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
 padding:26px 20px;overflow-y:auto;z-index:60;
 background:linear-gradient(180deg,rgba(17,22,52,.97),rgba(7,10,24,.99));
 border-right:1px solid var(--line);
 backdrop-filter:blur(14px);
}
.side::-webkit-scrollbar{width:6px}
.side::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.side__brand{display:flex;align-items:center;gap:12px;padding:6px 4px 18px;border-bottom:1px solid var(--line)}
.side__mark{
 width:38px;height:38px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00;font-weight:900;font-size:18px;
 box-shadow:0 8px 20px rgba(255,180,0,.3);
}
.side__brandtext{display:flex;flex-direction:column;line-height:1.25}
.side__brandtext strong{font-size:16px;letter-spacing:.5px}
.side__brandtext em{font-style:normal;font-size:12px;color:var(--gold-soft);letter-spacing:2px}
.side__nav{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.side__nav a{
 display:flex;align-items:center;gap:10px;
 padding:11px 14px;border-radius:10px;font-size:15px;color:var(--muted);
 border:1px solid transparent;transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.side__nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);transition:.22s;flex:0 0 auto}
.side__nav a:hover{background:var(--glass);color:var(--text);transform:translateX(2px)}
.side__nav a:hover::before{background:var(--gold-soft)}
.side__nav a.is-active{
 background:linear-gradient(100deg,rgba(255,180,0,.18),rgba(255,180,0,.03));
 border-color:rgba(255,180,0,.38);color:#fff;font-weight:700;
}
.side__nav a.is-active::before{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9)}
.side__foot{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}

.main-area{flex:1;min-width:0;margin-left:var(--side-w);display:flex;flex-direction:column}
.topbar{display:none}

/* ================= 通用 ================= */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn--gold{background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00;box-shadow:var(--shadow-gold)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,180,0,.42);color:#231a00}
.btn--gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.22);color:var(--text)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn--sm{padding:9px 20px;font-size:13px}
.btn--block{width:100%}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
 color:var(--cyan);background:rgba(58,210,255,.1);border:1px solid rgba(58,210,255,.28);
 letter-spacing:.5px;
}
.chip--gold{color:#241a00;background:linear-gradient(135deg,#ffe49a,#ffb400);border-color:transparent}
.chip--sm{font-size:11px;padding:3px 10px}
.section{padding:76px 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008))}
.section__head{max-width:780px;margin-bottom:38px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.section__head h2{font-size:clamp(22px,2.5vw,32px);letter-spacing:.5px;margin:12px 0 12px;line-height:1.35}
.section__head p{color:var(--muted);font-size:15.5px}
.card{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 46px rgba(3,6,20,.58);background:var(--glass-2)}
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.muted{color:var(--muted)}
.gold{color:var(--gold-soft)}

/* ================= Hero ================= */
.hero{position:relative;overflow:hidden;padding:0 0 74px}
.hero::before{
 content:"";position:absolute;inset:0;z-index:0;
 background:
 linear-gradient(180deg,rgba(7,10,24,.7),rgba(7,10,24,.93) 62%,var(--ink-950) 100%),
 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.hero::after{
 content:"";position:absolute;z-index:0;right:-14%;top:-26%;width:58%;height:86%;
 background:radial-gradient(circle,rgba(255,180,0,.16),transparent 66%);filter:blur(10px);
}
.hero__inner{position:relative;z-index:2}

/* 限时速查条 */
.flashbar{
 display:flex;flex-wrap:wrap;align-items:center;gap:14px;
 margin-top:26px;padding:12px 18px;border-radius:var(--r-lg);
 background:linear-gradient(100deg,rgba(255,180,0,.16),rgba(58,210,255,.08) 60%,rgba(255,255,255,.04));
 border:1px solid rgba(255,180,0,.34);
 box-shadow:0 14px 34px rgba(3,6,20,.45), inset 0 0 0 1px rgba(255,255,255,.04);
 backdrop-filter:blur(10px);
}
.flashbar p{flex:1 1 260px;font-size:14px;color:#d5dbf5;margin:0}
.flashbar p b{color:var(--gold-soft)}
.flashbar__cd{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
 padding:6px 14px;border-radius:999px;background:rgba(7,10,24,.55);border:1px solid var(--line);
}
.flashbar__cd strong{
 font-variant-numeric:tabular-nums;font-size:16px;letter-spacing:1px;color:var(--gold);
 text-shadow:0 0 12px rgba(255,180,0,.5);
}
.hero__grid{
 display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.82fr);
 gap:44px;align-items:center;padding-top:44px;
}
.hero h1{font-size:clamp(27px,3.5vw,46px);letter-spacing:.5px;margin:16px 0 20px;line-height:1.32}
.hero h1 span{
 background:linear-gradient(120deg,#ffe49a,#ffb400 60%,#ffd166);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:#c3c9e6;font-size:16px;line-height:1.92;max-width:640px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 32px}
.hero__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:620px}
.hero__stats>div{
 padding:14px 16px;border-radius:var(--r);
 background:rgba(255,255,255,.05);border:1px solid var(--line);
 backdrop-filter:blur(8px);
}
.hero__stats dt{font-size:12px;color:var(--muted);letter-spacing:1px}
.hero__stats dd{margin:2px 0 0;font-size:clamp(18px,2.1vw,24px);font-weight:900;color:var(--gold-soft);font-variant-numeric:tabular-nums}
.hero__card{
 border-radius:var(--r-lg);overflow:hidden;
 background:linear-gradient(180deg,rgba(35,42,82,.92),rgba(15,20,46,.96));
 border:1px solid rgba(255,180,0,.28);
 box-shadow:0 26px 60px rgba(3,6,20,.62),0 0 0 1px rgba(58,210,255,.08) inset;
}
.hero__card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero__cardbody{padding:22px}
.hero__cardbody h2{font-size:19px;margin:12px 0 10px}
.hero__cardbody p{color:var(--muted);font-size:14px;margin-bottom:16px}
.hero__note{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:12px}
.hero__note b{color:var(--gold-soft)}

/* ================= 倍率构成卡 ================= */
.fact{padding:24px 22px;display:flex;flex-direction:column;gap:10px}
.fact__no{
 font-size:12px;font-weight:900;letter-spacing:2px;color:var(--gold);
 font-variant-numeric:tabular-nums;
}
.fact h3{font-size:17px;letter-spacing:.3px}
.fact p{font-size:14px;color:var(--muted);line-height:1.8}
.fact__tag{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap}

/* ================= 图文两栏 ================= */
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:38px;align-items:center}
.split__media{
 border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow);position:relative;
}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split__media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,transparent 45%,rgba(7,10,24,.82));
}
.split__caption{
 position:absolute;left:18px;right:18px;bottom:16px;z-index:2;font-size:13px;color:#d7dcf3;
}
.steps{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.steps li{
 display:flex;gap:14px;padding:16px 18px;border-radius:var(--r);
 background:var(--glass);border:1px solid var(--line);
 transition:border-color .22s,background .22s,transform .22s;
}
.steps li:hover{border-color:rgba(58,210,255,.4);background:var(--glass-2);transform:translateX(3px)}
.steps .num{
 flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
 font-size:13px;font-weight:900;color:#0b0f24;background:linear-gradient(135deg,#7fe9ff,#3ad2ff);
 font-variant-numeric:tabular-nums;
}
.steps h4{font-size:15px;margin-bottom:4px}
.steps p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ================= 倍率档位对照 ================= */
.rtable{display:grid;gap:10px}
.rtable__row{
 display:grid;grid-template-columns:1.25fr .8fr 1.75fr;gap:16px;align-items:center;
 padding:16px 20px;border-radius:var(--r);
 background:var(--glass);border:1px solid var(--line);
 transition:border-color .22s,background .22s,transform .22s;
}
.rtable__row:hover{border-color:rgba(255,180,0,.4);background:var(--glass-2);transform:translateY(-2px)}
.rtable__head{
 background:linear-gradient(100deg,rgba(255,180,0,.2),rgba(255,180,0,.05));
 border-color:rgba(255,180,0,.36);color:var(--gold-soft);font-weight:800;font-size:13px;
 letter-spacing:1px;text-transform:none;
}
.rtable__head:hover{transform:none;border-color:rgba(255,180,0,.36);background:linear-gradient(100deg,rgba(255,180,0,.2),rgba(255,180,0,.05))}
.rtable__row strong{font-size:15px}
.rtable__val{
 font-variant-numeric:tabular-nums;font-weight:900;color:var(--gold-soft);font-size:17px;letter-spacing:.5px;
}
.rtable__row p{font-size:13.5px;color:var(--muted);line-height:1.7}
.rtable__note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.8}

/* ================= 免费旋转 ================= */
.spin{padding:24px 22px}
.spin__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.spin h3{font-size:17px}
.spin p{font-size:14px;color:var(--muted);line-height:1.8}
.spin ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.spin li{font-size:13.5px;color:#c8cee9;padding-left:16px;position:relative}
.spin li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}

/* ================= 时间线 ================= */
.timeline{position:relative;padding-left:34px;margin-top:8px}
.timeline::before{
 content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--gold),rgba(58,210,255,.4),transparent);
}
.timeline__item{position:relative;margin-bottom:24px}
.timeline__item:last-child{margin-bottom:0}
.timeline__item::before{
 content:"";position:absolute;left:-32px;top:7px;width:14px;height:14px;border-radius:50%;
 background:var(--ink-950);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.12);
}
.timeline__item h3{font-size:16.5px;margin-bottom:6px}
.timeline__item p{font-size:14px;color:var(--muted);line-height:1.82}

/* ================= 误读澄清 ================= */
.mis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.mis__item{padding:20px 22px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);border-left:3px solid rgba(255,107,129,.6)}
.mis__item--ok{border-left-color:rgba(58,210,255,.75)}
.mis__label{font-size:11px;font-weight:900;letter-spacing:2px;color:rgba(255,163,176,.9);margin-bottom:8px}
.mis__item--ok .mis__label{color:var(--cyan)}
.mis__item p{font-size:14px;line-height:1.82;color:#cbd1ea}
.mis__item strong{color:#fff}

/* ================= FAQ ================= */
.faq{max-width:900px;margin:0 auto}
.faq__item{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 margin-bottom:12px;padding:0 22px;transition:border-color .22s,background .22s;
}
.faq__item:hover{border-color:rgba(255,180,0,.34);background:var(--glass-2)}
.faq__item summary{
 list-style:none;cursor:pointer;padding:18px 0;font-weight:700;font-size:15.5px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;
 display:grid;place-items:center;font-size:16px;font-weight:800;color:var(--gold);
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);transition:.22s;
}
.faq__item[open] summary::after{content:"−";background:rgba(255,180,0,.24)}
.faq__item[open] summary{color:var(--gold-soft)}
.faq__body{padding:0 0 20px;font-size:14.5px;color:var(--muted);line-height:1.88}

/* ================= CTA ================= */
.cta{
 position:relative;overflow:hidden;border-radius:var(--r-lg);padding:46px 44px;
 border:1px solid rgba(255,180,0,.3);
 background:
 linear-gradient(120deg,rgba(7,10,24,.9),rgba(26,31,61,.86) 55%,rgba(35,42,82,.82)),
 url("/assets/images/backpic/back-6.webp") center/cover no-repeat;
 box-shadow:0 26px 60px rgba(3,6,20,.55);
}
.cta h2{font-size:clamp(21px,2.6vw,30px);margin-bottom:12px;line-height:1.38}
.cta p{color:#c6cce7;font-size:15px;max-width:720px;line-height:1.9}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ================= 页脚 ================= */
.foot{margin-top:auto;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,15,36,.6),rgba(7,10,24,.96));padding:56px 0 0}
.foot__grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr) minmax(0,.8fr);gap:38px;padding-bottom:40px}
.foot__brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot__brand strong{font-size:16px}
.foot p{font-size:13.5px;color:var(--muted);line-height:1.9;max-width:480px}
.foot h4{font-size:14px;letter-spacing:1px;margin-bottom:16px;color:#fff}
.foot ul{display:flex;flex-direction:column;gap:10px}
.foot ul a{font-size:13.5px;color:var(--muted);transition:color .2s,transform .2s;display:inline-block}
.foot ul a:hover{color:var(--gold-soft);transform:translateX(3px)}
.foot__bar{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
 padding:20px 0;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);
}

/* ================= 响应式 ================= */
@media (max-width:1180px){
 .hero__grid{gap:30px}
}
@media (max-width:1024px){
 .side{
  position:sticky;top:0;left:auto;bottom:auto;width:100%;height:auto;
  padding:12px 18px;border-right:none;border-bottom:1px solid var(--line);
  background:rgba(9,13,32,.94);z-index:70;
 }
 .side__brand{padding:0 0 10px;border-bottom:none}
 .side__nav{flex-direction:row;overflow-x:auto;margin-top:8px;gap:8px;padding-bottom:4px}
 .side__nav a{white-space:nowrap;padding:8px 14px;font-size:14px}
 .side__nav a::before{display:none}
 .side__nav a:hover{transform:none}
 .side__foot{display:none}
 .main-area{margin-left:0}
 .hero__grid{grid-template-columns:1fr;padding-top:34px}
 .hero__card{max-width:520px}
 .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:1fr;gap:26px}
 .foot__grid{grid-template-columns:1fr 1fr;gap:28px}
 .foot__grid>div:first-child{grid-column:1/-1}
}
@media (max-width:768px){
 .wrap{padding:0 18px}
 .section{padding:54px 0}
 .hero{padding-bottom:52px}
 .flashbar{border-radius:16px;gap:10px}
 .hero__actions{gap:10px}
 .hero__actions .btn{flex:1 1 200px}
 .hero__stats{grid-template-columns:1fr;gap:10px}
 .grid--3,.grid--4,.grid--2{grid-template-columns:1fr}
 .rtable__head{display:none}
 .rtable__row{grid-template-columns:1fr;gap:8px;padding:16px}
 .rtable__row p{font-size:13px}
 .mis{grid-template-columns:1fr}
 .cta{padding:30px 22px}
 .cta__actions .btn{flex:1 1 100%}
 .foot__grid{grid-template-columns:1fr}
 .foot__bar{font-size:12px}
}
@media (max-width:520px){
 .hero h1{font-size:25px}
 .side__brandtext strong{font-size:14px}
 .side__brandtext em{font-size:11px;letter-spacing:1px}
 .btn{padding:11px 20px;font-size:14px}
 .flashbar__cd{font-size:12px}
 .flashbar__cd strong{font-size:14px}
}

/* roulang page: category3 */
:root{
 --ink-950:#070a18;
 --ink-900:#0b0f24;
 --ink-800:#111634;
 --ink-700:#1a1f3d;
 --ink-600:#232a52;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --cyan:#3ad2ff;
 --text:#eaeefc;
 --muted:#9aa3c6;
 --line:rgba(255,255,255,.09);
 --glass:rgba(255,255,255,.045);
 --glass-2:rgba(255,255,255,.075);
 --r-sm:8px;
 --r:12px;
 --r-lg:22px;
 --shadow:0 16px 40px rgba(3,6,20,.5);
 --shadow-gold:0 12px 30px rgba(255,180,0,.26);
 --maxw:1180px;
 --side-w:264px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 min-height:100vh;
 background:
 radial-gradient(1100px 560px at 82% -8%, rgba(64,72,168,.5), transparent 62%),
 radial-gradient(900px 520px at -5% 18%, rgba(24,34,96,.75), transparent 58%),
 var(--ink-950);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--gold-soft)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.32;letter-spacing:.2px;color:#fff}
h1{font-size:clamp(27px,3vw,42px)}
h2{font-size:clamp(22px,2.4vw,30px)}
h3{font-size:18px}
p{margin:0 0 14px}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(255,180,0,.35);color:#fff}

/* ===== 侧栏导航 ===== */
.side{
 position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
 padding:26px 20px 28px;z-index:80;
 display:flex;flex-direction:column;gap:22px;
 background:linear-gradient(180deg,rgba(17,22,52,.98),rgba(7,10,24,.99));
 border-right:1px solid var(--line);
 overflow-y:auto;
}
.side__brand{display:flex;align-items:center;gap:12px;padding:4px 4px 18px;border-bottom:1px solid var(--line)}
.side__mark{
 width:38px;height:38px;flex:none;border-radius:11px;
 display:grid;place-items:center;font-size:17px;font-weight:900;color:#241a00;
 background:linear-gradient(135deg,#ffe49a,#ffb400);
 box-shadow:0 8px 20px rgba(255,180,0,.35);
}
.side__brandtext{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.side__brandtext strong{font-size:15px;letter-spacing:.3px;color:#fff}
.side__brandtext em{font-style:normal;font-size:12px;color:var(--gold-soft);letter-spacing:2px;margin-top:3px}
.side__nav{display:flex;flex-direction:column;gap:6px}
.side__nav a{
 display:flex;align-items:center;gap:10px;
 padding:11px 14px;border-radius:10px;font-size:15px;color:var(--muted);
 border:1px solid transparent;
 transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.side__nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);transition:.22s;flex:none}
.side__nav a:hover{background:var(--glass);color:var(--text);transform:translateX(2px)}
.side__nav a:hover::before{background:var(--gold-soft)}
.side__nav a.is-active{
 background:linear-gradient(100deg,rgba(255,180,0,.18),rgba(255,180,0,.03));
 border-color:rgba(255,180,0,.38);color:#fff;font-weight:700;
}
.side__nav a.is-active::before{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9)}
.side__foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.side__foot p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}

/* ===== 移动端顶栏 ===== */
.topbar{display:none}
.topbar__row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px 8px}
.topbar__brand{border-bottom:none;padding:0}
.topbar__nav{
 display:flex;gap:8px;overflow-x:auto;padding:0 18px 12px;
 scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.topbar__nav::-webkit-scrollbar{display:none}
.topbar__nav a{
 flex:none;padding:7px 14px;border-radius:999px;font-size:14px;
 color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.topbar__nav a.is-active{color:#241a00;background:linear-gradient(135deg,#ffe49a,#ffb400);border-color:transparent;font-weight:700}

/* ===== 布局容器 ===== */
.main-area{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;min-width:0}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 34px}

/* ===== 按钮 / 标签 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;letter-spacing:.3px;cursor:pointer;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn--gold{background:linear-gradient(135deg,#ffd166,#ffb400);color:#231a00;box-shadow:var(--shadow-gold)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,180,0,.42);color:#231a00}
.btn--gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.22);color:var(--text)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
 color:var(--cyan);background:rgba(58,210,255,.1);border:1px solid rgba(58,210,255,.28);
 letter-spacing:.5px;
}
.chip--gold{color:#241a00;background:linear-gradient(135deg,#ffe49a,#ffb400);border-color:transparent}
.chip--sm{font-size:11px;padding:3px 10px}

/* ===== 板块 ===== */
.section{padding:74px 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008))}
.section__head{max-width:760px;margin-bottom:36px}
.section__head p{color:var(--muted);margin-bottom:0;font-size:15px}
.section__head .eyebrow{display:inline-block;margin-bottom:12px}
.card{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
 margin-bottom:0;padding:0;color:var(--text);
 backdrop-filter:blur(10px);
 transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 46px rgba(3,6,20,.58);background:var(--glass-2)}

/* ===== 本页 Hero ===== */
.pagehero{position:relative;overflow:hidden;padding:52px 0 66px}
.pagehero::before{
 content:"";position:absolute;inset:0;z-index:0;
 background:
 linear-gradient(180deg,rgba(7,10,24,.76),rgba(7,10,24,.94) 66%,var(--ink-950) 100%),
 url("/assets/images/backpic/back-4.webp") center/cover no-repeat;
}
.pagehero::after{
 content:"";position:absolute;z-index:0;right:-14%;top:-20%;width:58%;height:80%;
 background:radial-gradient(circle,rgba(255,180,0,.16),transparent 66%);
 filter:blur(10px);
}
.pagehero__inner{position:relative;z-index:2}
.pagehero__grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:44px;align-items:start}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--gold-soft)}
.crumb span{color:rgba(255,255,255,.28)}
.pagehero h1 span{
 background:linear-gradient(120deg,#ffe49a,#ffb400 60%,#ffd166);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:#c3c9e6;font-size:16px;line-height:1.9;max-width:620px}
.hero-points{margin:22px 0 28px;display:grid;gap:9px;max-width:620px}
.hero-points li{position:relative;padding-left:24px;font-size:14.5px;color:#cfd5ee}
.hero-points li::before{
 content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;
 background:var(--gold);transform:rotate(45deg);border-radius:1px;
 box-shadow:0 0 10px rgba(255,180,0,.7);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.dossier{
 border-radius:var(--r-lg);overflow:hidden;
 background:linear-gradient(180deg,rgba(35,42,82,.94),rgba(15,20,46,.97));
 border:1px solid rgba(255,180,0,.28);
 box-shadow:0 26px 60px rgba(3,6,20,.62);
}
.dossier__cover{position:relative}
.dossier__cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.dossier__cover .chip{position:absolute;left:14px;top:14px}
.dossier__body{padding:22px 22px 24px}
.dossier__body h2{font-size:18px;margin-bottom:14px}
.toc{display:grid;gap:2px;margin-bottom:18px}
.toc li{
 display:flex;align-items:baseline;gap:10px;
 padding:8px 0;font-size:13.5px;color:var(--muted);
 border-bottom:1px dashed rgba(255,255,255,.08);
}
.toc li:last-child{border-bottom:none}
.toc li b{color:var(--gold-soft);font-variant-numeric:tabular-nums;font-size:13px}
.sub-form{display:flex;gap:8px;margin-top:4px}
.sub-form input{
 flex:1 1 auto;min-width:0;padding:11px 16px;border-radius:999px;
 border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
 color:var(--text);font-size:14px;
}
.sub-form input::placeholder{color:#7f89ae}
.sub-form input:focus{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.09);outline:none}
.form-note{font-size:12px;color:var(--muted);margin:10px 0 0;min-height:18px}

/* ===== 数据条 ===== */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
 padding:22px 20px;border-radius:var(--r);
 background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
 border:1px solid var(--line);
 transition:border-color .25s,transform .25s;
}
.metric:hover{border-color:rgba(58,210,255,.4);transform:translateY(-3px)}
.metric b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:900;color:var(--gold-soft);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ===== 版本对照表 ===== */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--glass)}
.spec-table{width:100%;min-width:720px;border-collapse:collapse}
.spec-table th,.spec-table td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
.spec-table th{
 background:rgba(255,255,255,.05);color:#cfd5ee;font-weight:700;font-size:13px;
 letter-spacing:.6px;white-space:nowrap;
}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr{transition:background .2s}
.spec-table tbody tr:hover{background:rgba(255,180,0,.05)}
.spec-table td b{color:#fff}
.spec-table td{color:var(--muted)}
.spec-table td:first-child{color:#fff;font-weight:700}
.table-hint{font-size:12.5px;color:var(--muted);margin:12px 0 0}

/* ===== 准备项卡片 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.prep{padding:26px 24px}
.prep__no{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 font-weight:900;font-size:14px;color:var(--gold-soft);
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.32);margin-bottom:14px;
}
.prep h3{font-size:17px;margin-bottom:8px}
.prep p{color:var(--muted);font-size:14px;margin-bottom:10px}
.prep ul{display:grid;gap:6px}
.prep ul li{font-size:13px;color:#b6bedd;padding-left:14px;position:relative}
.prep ul li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--cyan)}

/* ===== 步骤时间线 ===== */
.steps{position:relative;margin-top:6px}
.steps::before{
 content:"";position:absolute;left:25px;top:14px;bottom:14px;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.65),rgba(58,210,255,.35),transparent);
}
.step{display:grid;grid-template-columns:52px minmax(0,1fr);gap:20px;padding:18px 0;position:relative}
.step__num{
 width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
 font-weight:900;font-size:17px;color:var(--gold-soft);
 background:var(--ink-800);border:1px solid rgba(255,180,0,.42);
 box-shadow:0 0 0 6px rgba(7,10,24,.85);position:relative;z-index:1;
}
.step__body{padding-top:4px}
.step__body h3{font-size:17px;margin-bottom:6px}
.step__body p{color:var(--muted);font-size:14px;margin-bottom:0}
.step__body .chip{margin-bottom:8px}

/* ===== 场景图文 ===== */
.scene-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:18px}
.scene{
 overflow:hidden;border-radius:var(--r);border:1px solid var(--line);
 background:var(--glass);transition:transform .25s,border-color .25s,box-shadow .25s;
}
.scene:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 46px rgba(3,6,20,.55)}
.scene img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene__body{padding:20px 22px 24px}
.scene__body h3{font-size:17px;margin-bottom:8px}
.scene__body p{color:var(--muted);font-size:14px;margin:0}
.scene-stack{display:grid;gap:18px}
.scene--mini{display:grid;grid-template-columns:96px minmax(0,1fr);align-items:center;gap:0}
.scene--mini img{aspect-ratio:1/1;height:100%;object-fit:cover}
.scene--mini .scene__body{padding:16px 18px}
.scene--mini .scene__body h3{font-size:15px;margin-bottom:5px}
.scene--mini .scene__body p{font-size:13px;line-height:1.65}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:880px}
.faq__item{border:1px solid var(--line);border-radius:var(--r);background:var(--glass);overflow:hidden;transition:border-color .22s,background .22s}
.faq__item:hover{border-color:rgba(255,180,0,.34);background:var(--glass-2)}
.faq__item summary{
 padding:17px 22px;cursor:pointer;font-weight:700;font-size:15.5px;color:#fff;
 display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--gold);font-weight:900;font-size:20px;line-height:1;flex:none}
.faq__item[open] summary::after{content:"−"}
.faq__item p{padding:0 22px 18px;margin:0;color:var(--muted);font-size:14px;line-height:1.8}

/* ===== 保障条 ===== */
.guard{
 position:relative;overflow:hidden;border-radius:var(--r-lg);
 border:1px solid rgba(58,210,255,.24);
 padding:40px 38px;
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:34px;align-items:center;
 background:linear-gradient(115deg,rgba(11,15,36,.94),rgba(26,31,61,.9));
}
.guard::before{
 content:"";position:absolute;inset:0;z-index:0;
 background:linear-gradient(115deg,rgba(7,10,24,.93),rgba(7,10,24,.78)),
 url("/assets/images/backpic/back-7.webp") center/cover no-repeat;
 opacity:.55;
}
.guard>*{position:relative;z-index:1}
.guard h2{margin-bottom:10px}
.guard p{color:#c3c9e6;font-size:14.5px;margin-bottom:0}
.guard-list{display:grid;gap:12px}
.guard-list li{
 display:flex;gap:12px;align-items:flex-start;
 padding:14px 16px;border-radius:var(--r);
 background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:14px;color:#d3d9f1;
}
.guard-list li i{
 flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
 font-style:normal;font-size:12px;font-weight:900;color:#231a00;
 background:linear-gradient(135deg,#ffe49a,#ffb400);margin-top:2px;
}

/* ===== 内容列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;min-height:100%}
.post__meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.post__meta time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.post h3{font-size:16px;margin:0;line-height:1.5}
.post h3 a:hover{color:var(--gold-soft)}
.post p{color:var(--muted);font-size:13.5px;margin:0;flex:1}
.post__more{font-size:13px;font-weight:700;color:var(--gold-soft)}
.post__more:hover{color:#fff}
.empty{
 padding:26px;border-radius:var(--r);border:1px dashed rgba(255,255,255,.16);
 background:rgba(255,255,255,.02);color:var(--muted);font-size:14px;margin:0;
}
.empty span{display:block;font-size:12px;color:rgba(154,163,198,.66);margin-top:6px}

/* ===== 收口 CTA ===== */
.cta{
 position:relative;overflow:hidden;text-align:center;
 padding:52px 34px;border-radius:var(--r-lg);
 background:linear-gradient(140deg,rgba(255,180,0,.16),rgba(58,210,255,.08) 55%,rgba(255,255,255,.03));
 border:1px solid rgba(255,180,0,.32);
 box-shadow:0 26px 60px rgba(3,6,20,.5);
}
.cta h2{max-width:760px;margin:0 auto 12px}
.cta p{max-width:680px;margin:0 auto 26px;color:#c8cfea;font-size:15px}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ===== 页脚 ===== */
.foot{margin-top:auto;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,15,36,.6),rgba(7,10,24,.95));padding:54px 0 0}
.foot__grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr);gap:36px;padding-bottom:38px}
.foot__brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot__brand strong{font-size:16px;color:#fff}
.foot p{color:var(--muted);font-size:13.5px;line-height:1.85;margin:0;max-width:420px}
.foot h4{font-size:14px;letter-spacing:1px;color:#fff;margin:4px 0 14px}
.foot ul{display:grid;gap:10px}
.foot ul a{font-size:13.5px;color:var(--muted)}
.foot ul a:hover{color:var(--gold-soft)}
.foot__bar{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
 padding:18px 0 24px;border-top:1px solid var(--line);
 font-size:12.5px;color:rgba(154,163,198,.8);
}

/* ===== 响应式 ===== */
@media (max-width:1180px){
 .wrap{padding:0 26px}
 .pagehero__grid{gap:32px}
}
@media (max-width:1024px){
 .side{display:none}
 .main-area{margin-left:0}
 .topbar{
  display:block;position:sticky;top:0;z-index:80;
  background:rgba(7,10,24,.93);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
 }
 .pagehero__grid{grid-template-columns:1fr}
 .pagehero{padding:36px 0 54px}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-3,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .scene-grid{grid-template-columns:1fr}
 .guard{grid-template-columns:1fr;padding:32px 26px}
 .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .wrap{padding:0 18px}
 .section{padding:54px 0}
 .pagehero h1{font-size:26px}
 .lead{font-size:15px}
 .grid-3,.grid-2,.post-grid{grid-template-columns:1fr}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .metric{padding:18px 16px}
 .step{grid-template-columns:44px minmax(0,1fr);gap:16px}
 .step__num{width:44px;height:44px;font-size:15px}
 .steps::before{left:21px}
 .foot__grid{grid-template-columns:1fr;gap:26px}
 .foot__bar{font-size:12px}
 .cta{padding:38px 22px}
}
@media (max-width:520px){
 .hero-actions .btn,.cta__actions .btn{width:100%}
 .sub-form{flex-direction:column}
 .sub-form .btn{width:100%}
 .dossier__body{padding:18px}
 .scene--mini{grid-template-columns:1fr}
 .scene--mini img{aspect-ratio:16/9;height:auto}
 .faq__item summary{padding:15px 16px;font-size:14.5px}
 .faq__item p{padding:0 16px 16px}
 .guard-list li{font-size:13px}
}