/* roulang page: index */
:root{
  --ink:#070a16;
  --bg:#0b0f21;
  --bg-2:#11162e;
  --navy:#1a1f3d;
  --navy-soft:#232a52;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --cyan:#4de1ff;
  --text:#e9edf9;
  --muted:#9aa5c4;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.022);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.9);
  --glow-gold:0 10px 28px -10px rgba(255,180,0,.6);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(77,225,255,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,180,0,.09), transparent 60%),
    linear-gradient(180deg,#0b0f21 0%,#080c1b 46%,#070a16 100%);
  background-attachment:fixed;
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--gold-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:#fff;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(255,180,0,.35);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,11,25,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1400px;margin:0 auto;padding:0 24px;
  height:66px;display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#2a1d00;font-weight:900;font-size:17px;box-shadow:var(--glow-gold);
}
.brand-text{font-size:16.5px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 13px;border-radius:9px;
  color:var(--muted);font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.13);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;height:36px;padding:0 6px 0 14px;
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(255,180,0,.55);box-shadow:0 0 0 3px rgba(255,180,0,.12);}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:13.5px;width:146px;padding:0;
}
.search-box input::placeholder{color:#79849f;}
.search-box button{
  background:transparent;border:0;color:var(--muted);cursor:pointer;
  padding:4px 7px;font-size:13px;line-height:1;border-radius:999px;transition:color .2s ease;
}
.search-box button:hover{color:var(--gold-2);}
.ver-badge{
  font-size:12px;color:var(--cyan);padding:5px 10px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(77,225,255,.32);background:rgba(77,225,255,.08);font-weight:600;
}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;
  font-size:16px;line-height:1;align-items:center;justify-content:center;padding:0;
}
.nav-toggle:hover{background:rgba(255,255,255,.12);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center 42%;
  transform:scale(1.04);
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(8,11,25,.96) 0%,rgba(10,14,32,.86) 44%,rgba(26,31,61,.62) 100%),
    linear-gradient(0deg,rgba(7,10,22,.96) 0%,rgba(7,10,22,.18) 48%,rgba(7,10,22,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 24px 76px;max-width:1280px;margin:0 auto;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold-2);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.34);margin-bottom:22px;
}
.hero-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(255,180,0,.18);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.hero h1{
  font-size:clamp(30px,4.3vw,52px);line-height:1.2;color:#fff;
  max-width:900px;letter-spacing:.005em;text-shadow:0 10px 34px rgba(0,0,0,.62);
}
.hero h1 .hl{
  background:linear-gradient(120deg,#fff5d6 0%,#ffd35c 42%,#ffb400 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:22px;max-width:700px;font-size:16.5px;line-height:1.95;color:#c3cbe4;
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-metrics{
  margin-top:52px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;max-width:860px;
}
.metric{
  padding:18px 18px 16px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--line);backdrop-filter:blur(10px);
}
.metric b{
  display:block;font-size:clamp(22px,2.6vw,30px);line-height:1.15;
  background:linear-gradient(120deg,#fff2cd,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);letter-spacing:.04em;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-gold{
  background:linear-gradient(135deg,#ffd35c 0%,#ffb400 100%);
  color:#2a1d00;box-shadow:var(--glow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(255,180,0,.85);color:#2a1d00;}
.btn-ghost{
  background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.18);color:#eef1fb;
}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(77,225,255,.55);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.985);}
.play-btn{
  display:inline-flex;align-items:center;gap:12px;padding:9px 22px 9px 9px;
  border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);color:#fff;font-weight:700;font-size:14.5px;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.play-btn:hover{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.6);color:#fff;transform:translateY(-2px);}
.play-icon{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,#ffd35c,#ffb400);box-shadow:0 0 0 5px rgba(255,180,0,.16);
}
.play-icon::after{
  content:"";width:0;height:0;margin-left:2px;
  border-left:11px solid #2a1d00;border-top:7px solid transparent;border-bottom:7px solid transparent;
}

/* ============ 文档式布局 ============ */
.doc-layout{
  max-width:1280px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:212px minmax(0,1fr);gap:44px;align-items:start;
}
.doc-sidebar{position:sticky;top:92px;padding:44px 0 24px;}
.sidebar-title{
  font-size:11.5px;letter-spacing:.2em;color:#7c88ab;margin-bottom:14px;font-weight:700;
}
.sidebar-list li{margin-bottom:2px;}
.sidebar-list a{
  display:block;padding:8px 12px;font-size:13.5px;color:var(--muted);
  border-left:2px solid transparent;border-radius:0 9px 9px 0;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.sidebar-list a:hover{color:#fff;background:rgba(255,255,255,.055);border-left-color:var(--gold);}
.doc-main{min-width:0;padding-bottom:8px;}

/* ============ 板块 ============ */
.doc-section{padding:64px 0;border-bottom:1px solid var(--line);}
.doc-section:last-child{border-bottom:0;padding-bottom:76px;}
.section-head{max-width:780px;margin-bottom:34px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--cyan);margin-bottom:12px;
}
.section-title{
  font-size:clamp(21px,2.8vw,29px);color:#fff;line-height:1.35;
}
.section-title .gold{
  background:linear-gradient(120deg,#ffe9ac,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.92;}

/* ============ 卡片 ============ */
.card{
  height:100%;padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.022));
  border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.36);box-shadow:0 28px 54px -26px rgba(0,0,0,.95);}
.card h3{font-size:17.5px;color:#fff;margin-bottom:10px;}
.card p{font-size:14px;color:var(--muted);line-height:1.85;}

.case-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.case-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .case-thumb img{transform:scale(1.06);}
.case-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,33,.05),rgba(11,15,33,.72));
}
.case-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag{
  display:inline-flex;align-self:flex-start;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
  color:var(--gold-2);background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.3);
}
.tag.cyan{color:var(--cyan);background:rgba(77,225,255,.1);border-color:rgba(77,225,255,.3);}
.case-meta{
  display:flex;flex-wrap:wrap;gap:16px;margin-top:auto;padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.12);font-size:12.5px;color:#8b97b6;
}
.case-meta b{color:var(--gold-2);font-size:15px;margin-right:3px;}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.stat-item{
  padding:26px 22px;border-radius:var(--radius);text-align:left;
  background:linear-gradient(150deg,rgba(77,225,255,.09),rgba(255,255,255,.02));
  border:1px solid rgba(77,225,255,.16);
  transition:border-color .25s ease,transform .25s ease;
}
.stat-item:hover{border-color:rgba(77,225,255,.44);transform:translateY(-4px);}
.stat-num{
  font-size:clamp(26px,3vw,34px);font-weight:900;line-height:1.1;
  background:linear-gradient(120deg,#d7f8ff,#4de1ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{margin-top:8px;font-size:13px;color:#9fb0cf;}
.stat-note{margin-top:6px;font-size:12px;color:#77839f;line-height:1.7;}

/* 前后对比 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.compare-col{
  border-radius:var(--radius);padding:24px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.016));
}
.compare-col.is-good{border-color:rgba(255,180,0,.34);background:linear-gradient(160deg,rgba(255,180,0,.10),rgba(255,255,255,.02));}
.compare-col h3{font-size:16.5px;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.dot{width:9px;height:9px;border-radius:50%;background:#6b7699;flex:0 0 auto;}
.dot.gold{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);}
.compare-list li{
  display:flex;gap:10px;padding:11px 0;font-size:14px;color:#b7c0da;
  border-bottom:1px dashed rgba(255,255,255,.08);line-height:1.75;
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.compare-list li::before{content:"—";color:#5f6b8d;flex:0 0 auto;}
.compare-col.is-good .compare-list li::before{content:"→";color:var(--gold);}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px 22px;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(255,255,255,.07),rgba(255,255,255,.018));
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:rgba(255,180,0,.4);transform:translateY(-4px);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:900;line-height:1;margin-bottom:14px;
  background:linear-gradient(120deg,#ffe9ac,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:15.5px;color:#fff;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* 亮点 */
.feature-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.feature{
  display:flex;gap:16px;padding:22px;border-radius:var(--radius);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.feature:hover{background:rgba(255,255,255,.06);border-color:rgba(77,225,255,.34);transform:translateY(-3px);}
.feature-icon{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  font-size:18px;color:var(--gold-2);
  background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.26);
}
.feature h3{font-size:15.5px;color:#fff;margin-bottom:7px;}
.feature p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.cat-card{
  display:flex;flex-direction:column;gap:12px;padding:26px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(35,42,82,.85),rgba(17,22,46,.9));
  border:1px solid rgba(255,255,255,.1);color:var(--text);
  box-shadow:var(--shadow);transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.5);color:#fff;box-shadow:0 26px 50px -24px rgba(0,0,0,.95);}
.cat-index{font-size:12px;letter-spacing:.18em;color:var(--cyan);font-weight:700;}
.cat-card h3{font-size:18px;color:#fff;}
.cat-card p{font-size:13.5px;color:#a6b1cd;line-height:1.8;}
.cat-more{margin-top:auto;padding-top:10px;font-size:13.5px;font-weight:700;color:var(--gold-2);}
.cat-card:hover .cat-more{color:#fff;}

/* 资讯列表 */
.news-wrap{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:28px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-item{
  display:block;padding:20px 22px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.news-item:hover{background:rgba(255,255,255,.07);border-color:rgba(255,180,0,.36);transform:translateX(4px);}
.news-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.news-cat{
  font-size:11.5px;font-weight:700;color:var(--cyan);
  padding:3px 10px;border-radius:999px;background:rgba(77,225,255,.1);
  border:1px solid rgba(77,225,255,.26);
}
.news-time{font-size:12px;color:#7c88ab;}
.news-item h3{font-size:16px;color:#fff;line-height:1.55;margin-bottom:6px;}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.empty-tip{
  padding:26px;border-radius:var(--radius-sm);border:1px dashed rgba(255,255,255,.18);
  color:var(--muted);font-size:14px;text-align:center;
}
.news-aside{
  position:sticky;top:92px;padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,180,0,.09),rgba(255,255,255,.02));
  border:1px solid rgba(255,180,0,.24);
}
.news-aside h3{font-size:15px;color:var(--gold-2);margin-bottom:14px;}
.news-aside li{
  font-size:13.5px;color:#b3bdd7;line-height:1.8;padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.1);
}
.news-aside li:last-child{border-bottom:0;padding-bottom:0;}
.news-aside li b{color:#fff;font-weight:700;}

/* 问答 */
.qa-list{display:flex;flex-direction:column;gap:14px;}
.qa-item{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  border:1px solid var(--line);transition:border-color .25s ease,background .25s ease;
}
.qa-item:hover{border-color:rgba(77,225,255,.32);background:rgba(255,255,255,.06);}
.qa-q{display:flex;align-items:flex-start;gap:12px;font-size:16px;font-weight:800;color:#fff;margin-bottom:10px;}
.qa-badge{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12.5px;font-weight:900;color:#2a1d00;
  background:linear-gradient(135deg,#ffd35c,#ffb400);margin-top:2px;
}
.qa-a{padding-left:36px;font-size:14px;color:var(--muted);line-height:1.92;}

/* 评价 */
.rate-head{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:22px 24px;border-radius:var(--radius);margin-bottom:18px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.rate-score{font-size:38px;font-weight:900;line-height:1;
  background:linear-gradient(120deg,#ffe9ac,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.rate-star{color:var(--gold);font-size:15px;letter-spacing:3px;}
.rate-meta{font-size:13px;color:var(--muted);}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.review{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(255,255,255,.035);transition:transform .25s ease,border-color .25s ease;
}
.review:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.34);}
.review p{font-size:13.5px;color:#b9c3dd;line-height:1.9;}
.review-who{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.1);}
.avatar{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#2a1d00;
  background:linear-gradient(135deg,#ffd35c,#ffb400);
}
.review-who span{font-size:12.5px;color:#8a96b4;}

/* 更新日志 */
.log-list{position:relative;padding-left:22px;}
.log-list::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(255,180,0,.55),rgba(77,225,255,.12));}
.log-item{position:relative;padding:0 0 22px 8px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{
  content:"";position:absolute;left:-21px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.log-ver{font-size:12.5px;font-weight:800;color:var(--gold-2);letter-spacing:.06em;}
.log-date{font-size:12px;color:#7c88ab;margin-left:10px;}
.log-item p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.85;}

/* 保障条 */
.guard-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(77,225,255,.07),rgba(255,180,0,.07));
  border:1px solid rgba(255,255,255,.1);
}
.guard-item{display:flex;align-items:center;gap:11px;font-size:13.5px;color:#c3cbe4;}
.guard-ico{
  width:32px;height:32px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  font-size:14px;color:var(--cyan);background:rgba(77,225,255,.12);
  border:1px solid rgba(77,225,255,.28);
}

/* 咨询表单 */
.lead-panel{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:30px;
  padding:34px;border-radius:18px;
  background:
    radial-gradient(560px 260px at 6% 0%,rgba(255,180,0,.16),transparent 62%),
    linear-gradient(160deg,rgba(35,42,82,.78),rgba(13,17,36,.92));
  border:1px solid rgba(255,180,0,.22);box-shadow:0 30px 60px -34px rgba(0,0,0,.95);
}
.lead-panel h2{font-size:clamp(20px,2.5vw,26px);color:#fff;}
.lead-panel .lead-desc{margin-top:14px;font-size:14.5px;color:#aeb8d3;line-height:1.9;}
.lead-points{margin-top:22px;display:flex;flex-direction:column;gap:11px;}
.lead-points li{display:flex;gap:10px;font-size:13.5px;color:#bcc5de;line-height:1.7;}
.lead-points li::before{content:"✦";color:var(--gold);flex:0 0 auto;}
.lead-form{display:flex;flex-direction:column;gap:14px;}
.field label{display:block;font-size:12.5px;color:#98a3c1;margin-bottom:7px;font-weight:600;letter-spacing:.03em;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;color:var(--text);
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  font-size:14px;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#78849f;}
.field input:focus,.field textarea:focus{
  border-color:rgba(255,180,0,.62);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(255,180,0,.14);
}
.lead-form .btn-gold{width:100%;padding:14px 26px;}
.privacy-note{font-size:12px;color:#7d89a8;line-height:1.7;}
.form-tip{font-size:13px;color:var(--cyan);min-height:18px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:14px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,15,33,.4),rgba(6,9,19,.92));
}
.footer-inner{
  max-width:1280px;margin:0 auto;padding:52px 24px 26px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{font-size:13.5px;color:#8e9ab8;line-height:1.9;max-width:420px;}
.footer-col h4{font-size:13px;color:#fff;letter-spacing:.12em;margin-bottom:14px;font-weight:800;}
.footer-col li{font-size:13.5px;color:#8e9ab8;line-height:1.9;padding:4px 0;}
.footer-col a{color:#a9b4cf;}
.footer-col a:hover{color:var(--gold-2);}
.footer-bottom{
  max-width:1280px;margin:0 auto;padding:18px 24px 30px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  font-size:12.5px;color:#707c9a;
}
.footer-bottom a{color:#8f9ab8;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .search-box input{width:110px;}
  .ver-badge{display:none;}
}
@media (max-width:1024px){
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .doc-sidebar{display:none;}
  .news-wrap{grid-template-columns:minmax(0,1fr);}
  .news-aside{position:static;}
  .hero-metrics{grid-template-columns:repeat(4,minmax(0,1fr));}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .lead-panel{grid-template-columns:minmax(0,1fr);padding:28px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .main-nav{
    display:none;position:absolute;left:12px;right:12px;top:66px;
    flex-direction:column;align-items:stretch;gap:4px;padding:12px;
    background:rgba(10,14,32,.98);border:1px solid var(--line);
    border-radius:14px;box-shadow:0 28px 50px -22px rgba(0,0,0,.95);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .header-inner{gap:12px;}
  .brand-text{font-size:15px;}
}
@media (max-width:768px){
  .hero-inner{padding:64px 20px 56px;}
  .hero-lead{font-size:15px;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:38px;}
  .doc-section{padding:48px 0;}
  .compare-grid{grid-template-columns:minmax(0,1fr);}
  .feature-row{grid-template-columns:minmax(0,1fr);}
  .cat-grid{grid-template-columns:minmax(0,1fr);}
  .review-grid{grid-template-columns:minmax(0,1fr);}
  .guard-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .container,.doc-layout{padding-left:20px;padding-right:20px;}
  .footer-inner{grid-template-columns:minmax(0,1fr);padding:40px 20px 22px;}
  .qa-a{padding-left:0;margin-top:4px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .header-inner{height:60px;padding:0 16px;}
  .brand-mark{width:32px;height:32px;font-size:15px;}
  .brand-text{font-size:14px;}
  .hero-tag{font-size:12px;padding:6px 12px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn,.hero-actions .play-btn{width:100%;justify-content:center;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-grid{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .guard-bar{grid-template-columns:minmax(0,1fr);}
  .lead-panel{padding:22px;}
  .doc-section{padding:40px 0;}
  .card{padding:20px;}
}

/* roulang page: article */
:root{
  --ink:#070a16;
  --bg:#0b0f21;
  --bg-2:#11162e;
  --navy:#1a1f3d;
  --navy-soft:#232a52;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --cyan:#4de1ff;
  --text:#e9edf9;
  --muted:#9aa5c4;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.022);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.9);
  --glow-gold:0 10px 28px -10px rgba(255,180,0,.6);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(77,225,255,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,180,0,.09), transparent 60%),
    linear-gradient(180deg,#0b0f21 0%,#080c1b 46%,#070a16 100%);
  background-attachment:fixed;
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--gold-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:#fff;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:#fff;letter-spacing:.005em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,11,25,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1400px;margin:0 auto;padding:0 24px;
  height:66px;display:flex;align-items:center;gap:18px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#2a1d00;font-weight:900;font-size:17px;box-shadow:var(--glow-gold);
}
.brand-text{font-size:16.5px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 13px;border-radius:9px;
  color:var(--muted);font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.13);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;height:36px;padding:0 6px 0 14px;
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(255,180,0,.55);box-shadow:0 0 0 3px rgba(255,180,0,.12);}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:13.5px;width:146px;padding:0;
}
.search-box input::placeholder{color:#79849f;}
.search-box button{
  background:transparent;border:0;color:var(--muted);cursor:pointer;
  padding:4px 7px;font-size:13px;line-height:1;border-radius:999px;transition:color .2s ease;
}
.search-box button:hover{color:var(--gold-2);}
.ver-badge{
  font-size:12px;color:var(--cyan);padding:5px 10px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(77,225,255,.32);background:rgba(77,225,255,.08);font-weight:600;
}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;
  font-size:16px;line-height:1;align-items:center;justify-content:center;padding:0;
}
.nav-toggle:hover{background:rgba(255,255,255,.12);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-gold{
  background:linear-gradient(135deg,#ffd35c 0%,#ffb400 100%);
  color:#2a1d00;box-shadow:var(--glow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(255,180,0,.85);color:#2a1d00;}
.btn-ghost{
  background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.18);color:#eef1fb;
}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(77,225,255,.55);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.985);}

/* ============ 文章头图 ============ */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center 42%;
  transform:scale(1.04);
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(8,11,25,.97) 0%,rgba(10,14,32,.90) 46%,rgba(26,31,61,.70) 100%),
    linear-gradient(0deg,rgba(7,10,22,.97) 0%,rgba(7,10,22,.25) 52%,rgba(7,10,22,.62) 100%);
}
.article-hero-inner{
  position:relative;z-index:2;max-width:1280px;margin:0 auto;
  padding:46px 24px 58px;
  display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.92fr);
  gap:46px;align-items:end;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8f9ab8;margin-bottom:20px;}
.crumbs a{color:#a9b4d1;}
.crumbs a:hover{color:var(--gold-2);}
.crumbs span.sep{color:#4c5775;}
.crumbs .now{color:var(--gold-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold-2);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.34);margin-bottom:20px;
}
.hero-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.article-hero h1{
  font-size:clamp(26px,3.3vw,42px);line-height:1.26;color:#fff;
  text-shadow:0 10px 34px rgba(0,0,0,.6);
}
.article-lead{
  margin-top:18px;max-width:720px;font-size:15.5px;line-height:1.95;color:#bcc6e2;
}
.article-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;color:#cfd7ec;
  background:var(--glass);border:1px solid var(--line);
}
.meta-chip b{color:var(--gold-2);font-weight:700;}
.meta-chip.cyan{color:var(--cyan);border-color:rgba(77,225,255,.3);background:rgba(77,225,255,.08);}

/* 数据榜单面板 */
.rank-panel{
  background:linear-gradient(160deg,rgba(35,42,82,.92),rgba(12,16,34,.94));
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:22px 22px 18px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.rank-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.14);}
.rank-head h2{font-size:15px;letter-spacing:.04em;}
.rank-head .badge-live{
  font-size:11.5px;color:#2a1d00;font-weight:800;padding:3px 9px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
}
.rank-list{margin-top:6px;}
.rank-row{
  display:grid;grid-template-columns:26px 1fr auto;gap:12px;align-items:center;
  padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.06);
}
.rank-row:last-child{border-bottom:0;}
.rank-no{
  width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#cfd7ec;background:rgba(255,255,255,.08);
}
.rank-row:nth-child(1) .rank-no{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#2a1d00;}
.rank-row:nth-child(2) .rank-no{background:rgba(77,225,255,.2);color:#bff2ff;}
.rank-name{font-size:13.5px;color:#dfe5f6;font-weight:600;}
.rank-sub{font-size:12px;color:#8b96b4;font-weight:400;margin-top:1px;}
.rank-val{font-size:15px;font-weight:800;color:var(--gold-2);white-space:nowrap;}

/* ============ 通用板块 ============ */
.section{padding:66px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--alt{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.006));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
  color:var(--cyan);margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.95;}

/* ============ 文章主体 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 330px;
  gap:38px;align-items:start;padding:56px 0 8px;
}
.article-shell{
  background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:38px 40px 42px;
  box-shadow:var(--shadow);
}
.article-content{font-size:16px;line-height:1.98;color:#ccd4ea;overflow-wrap:break-word;word-break:break-word;}
.article-content h2{
  font-size:23px;margin:40px 0 14px;padding-left:14px;
  border-left:4px solid var(--gold);
}
.article-content h2:first-child{margin-top:0;}
.article-content h3{font-size:18.5px;margin:28px 0 12px;color:var(--gold-2);}
.article-content h4{font-size:16.5px;margin:22px 0 10px;color:#fff;}
.article-content p{margin:0 0 16px;}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px;}
.article-content ul li{list-style:disc;margin-bottom:9px;}
.article-content ol li{list-style:decimal;margin-bottom:9px;}
.article-content li::marker{color:var(--gold);}
.article-content img{border-radius:var(--radius);margin:24px 0;border:1px solid var(--line);width:100%;height:auto;}
.article-content blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--cyan);
  background:rgba(77,225,255,.075);border-radius:0 12px 12px 0;color:#dbe3f7;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content a{color:var(--gold-2);text-decoration:underline;text-decoration-color:rgba(255,211,92,.42);text-underline-offset:3px;}
.article-content a:hover{color:#fff;}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;display:block;overflow-x:auto;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.article-content th{background:rgba(255,255,255,.055);color:#fff;font-weight:700;white-space:nowrap;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:30px 0;}
.article-empty{
  text-align:center;padding:56px 20px;border:1px dashed rgba(255,255,255,.18);
  border-radius:var(--radius);background:rgba(255,255,255,.03);
}
.article-empty h2{font-size:20px;margin-bottom:12px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* 侧栏 */
.article-aside{display:grid;gap:20px;position:sticky;top:88px;}
.side-card{
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.018));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--gold-2),var(--gold));}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.side-stat{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 12px 10px;
}
.side-stat b{display:block;font-size:19px;color:var(--gold-2);font-weight:800;line-height:1.2;}
.side-stat span{font-size:12px;color:var(--muted);}
.side-list li{padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14px;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{display:flex;justify-content:space-between;gap:10px;color:#d6ddf0;font-weight:600;}
.side-list a span.arrow{color:var(--gold-2);font-weight:800;}
.side-list a:hover{color:var(--gold-2);}
.side-note{font-size:12.5px;color:#8b96b4;line-height:1.85;margin:12px 0 0;}

/* 要点卡片 */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.point-card{
  position:relative;padding:26px 26px 24px;
  background:linear-gradient(160deg,rgba(35,42,82,.62),rgba(12,16,34,.72));
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.point-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);box-shadow:0 22px 44px -26px rgba(255,180,0,.55);}
.point-card .num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.34);
  color:var(--gold-2);font-size:14px;font-weight:800;margin-bottom:14px;
}
.point-card h3{font-size:17.5px;margin-bottom:10px;}
.point-card p{color:#a9b4d1;font-size:14.5px;line-height:1.9;margin:0;}
.point-card .tag-line{
  display:inline-block;margin-top:16px;font-size:12.5px;color:var(--cyan);
  padding:4px 11px;border-radius:999px;background:rgba(77,225,255,.09);
  border:1px solid rgba(77,225,255,.26);
}

/* 时间线 */
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(255,180,0,.75),rgba(77,225,255,.35),rgba(255,255,255,.06));
}
.tl-item{position:relative;padding:0 0 26px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.tl-item h3{font-size:16.5px;margin-bottom:8px;}
.tl-item p{color:#a9b4d1;font-size:14.5px;line-height:1.9;margin:0;}
.tl-meta{font-size:12.5px;color:var(--cyan);font-weight:700;letter-spacing:.06em;margin-bottom:6px;display:block;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:960px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.42);background:rgba(255,180,0,.06);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 0;font-size:15.5px;font-weight:700;color:#eef1fb;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"＋";color:var(--gold-2);font-weight:800;font-size:16px;}
.faq-item[open] summary::after{content:"－";}
.faq-item p{margin:0 0 18px;color:#a9b4d1;font-size:14.5px;line-height:1.95;}

/* 收口 CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid rgba(255,180,0,.3);
  background:
    radial-gradient(600px 260px at 12% 0%, rgba(255,180,0,.18), transparent 62%),
    radial-gradient(560px 300px at 92% 100%, rgba(77,225,255,.16), transparent 60%),
    linear-gradient(140deg,rgba(26,31,61,.95),rgba(9,13,28,.96));
  padding:42px 44px;
  display:grid;grid-template-columns:minmax(0,1.5fr) auto;gap:32px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:12px;}
.cta-band p{color:#b8c2dd;font-size:15px;line-height:1.9;margin:0;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{margin-top:76px;border-top:1px solid var(--line);background:rgba(6,9,20,.92);}
.footer-inner{
  max-width:1280px;margin:0 auto;padding:56px 24px 30px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about{color:var(--muted);font-size:14px;line-height:1.95;max-width:430px;margin:0;}
.footer-col h4{font-size:14px;margin-bottom:16px;letter-spacing:.05em;color:#fff;}
.footer-col ul li{margin-bottom:11px;font-size:14px;color:var(--muted);}
.footer-col ul li a{color:var(--muted);}
.footer-col ul li a:hover{color:var(--gold-2);}
.footer-bottom{
  max-width:1280px;margin:0 auto;padding:18px 24px 26px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#79849f;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .search-box input{width:112px;}
}
@media (max-width:1024px){
  .article-hero-inner{grid-template-columns:1fr;gap:30px;align-items:start;padding:38px 24px 46px;}
  .article-layout{grid-template-columns:1fr;gap:26px;}
  .article-aside{position:static;grid-template-columns:1fr 1fr;display:grid;}
  .article-shell{padding:30px 26px 32px;}
  .point-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:66px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 16px 18px;margin:0;
    background:rgba(9,12,27,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px -26px rgba(0,0,0,.95);
    display:none;z-index:90;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;}
  .search-box{display:none;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-inner{padding:0 18px;height:62px;gap:12px;}
  .brand-text{font-size:14.5px;max-width:58vw;overflow:hidden;text-overflow:ellipsis;}
  .main-nav{top:62px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .article-hero-inner{padding:30px 18px 38px;}
  .article-lead{font-size:14.5px;}
  .article-aside{grid-template-columns:1fr;}
  .article-shell{padding:24px 18px 26px;border-radius:var(--radius);}
  .article-content{font-size:15.5px;}
  .article-content h2{font-size:20px;margin-top:32px;}
  .article-content h3{font-size:17px;}
  .footer-inner{grid-template-columns:1fr;padding:44px 18px 24px;gap:28px;}
  .footer-bottom{padding:16px 18px 24px;font-size:12.5px;}
  .cta-band{padding:28px 20px;border-radius:var(--radius);}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}
@media (max-width:520px){
  .rank-panel{padding:18px 16px 14px;}
  .rank-name{font-size:13px;}
  .rank-val{font-size:14px;}
  .hero-tag{font-size:12px;padding:6px 12px;}
  .meta-chip{font-size:12px;padding:6px 11px;}
  .side-stats{grid-template-columns:1fr 1fr;}
  .point-card{padding:22px 20px;}
  .article-content ul,.article-content ol{padding-left:18px;}
}

/* roulang page: category1 */
:root{
 --ink:#070a16;
 --bg:#0b0f21;
 --bg-2:#11162e;
 --navy:#1a1f3d;
 --navy-soft:#232a52;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --cyan:#4de1ff;
 --text:#e9edf9;
 --muted:#9aa5c4;
 --line:rgba(255,255,255,.09);
 --glass:rgba(255,255,255,.055);
 --glass-2:rgba(255,255,255,.022);
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -22px rgba(0,0,0,.9);
 --glow-gold:0 10px 28px -10px rgba(255,180,0,.6);
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:94px;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:var(--font);
 background:
 radial-gradient(900px 520px at 12% -6%, rgba(77,225,255,.10), transparent 62%),
 radial-gradient(760px 460px at 92% 4%, rgba(255,180,0,.09), transparent 60%),
 linear-gradient(180deg,#0b0f21 0%,#080c1b 46%,#070a16 100%);
 background-attachment:fixed;
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--gold-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:#fff;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
h1,h2,h3,h4{margin:0;line-height:1.28;color:#fff;font-weight:800;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
/* ============ 顶栏 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(8,11,25,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.header-inner{
 max-width:1400px;margin:0 auto;padding:0 24px;
 height:66px;display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 color:#2a1d00;font-weight:900;font-size:17px;box-shadow:var(--glow-gold);
}
.brand-text{font-size:16.5px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
 position:relative;padding:8px 13px;border-radius:9px;
 color:var(--muted);font-size:14.5px;font-weight:500;white-space:nowrap;
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.13);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
 display:flex;align-items:center;height:36px;padding:0 6px 0 14px;
 background:rgba(255,255,255,.055);border:1px solid var(--line);
 border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(255,180,0,.55);box-shadow:0 0 0 3px rgba(255,180,0,.12);}
.search-box input{background:transparent;border:0;outline:none;color:var(--text);font-size:13.5px;width:146px;padding:0;}
.search-box input::placeholder{color:#79849f;}
.search-box button{background:transparent;border:0;color:var(--muted);cursor:pointer;padding:4px 7px;font-size:13px;line-height:1;border-radius:999px;transition:color .2s ease;}
.search-box button:hover{color:var(--gold-2);}
.ver-badge{
 font-size:12px;color:var(--cyan);padding:5px 10px;border-radius:999px;white-space:nowrap;
 border:1px solid rgba(77,225,255,.32);background:rgba(77,225,255,.08);font-weight:600;
}
.nav-toggle{
 display:none;width:38px;height:38px;border-radius:10px;cursor:pointer;
 background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;
 font-size:16px;line-height:1;align-items:center;justify-content:center;padding:0;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}
/* ============ 分类首屏 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;transform:scale(1.05);}
.page-hero-veil{
 position:absolute;inset:0;
 background:
 linear-gradient(118deg,rgba(8,11,25,.97) 0%,rgba(10,14,32,.90) 46%,rgba(26,31,61,.66) 100%),
 linear-gradient(0deg,rgba(7,10,22,.97) 0%,rgba(7,10,22,.20) 52%,rgba(7,10,22,.60) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 24px 72px;max-width:1240px;margin:0 auto;}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:#8b96b4;margin-bottom:26px;}
.crumbs a{color:#b9c3dd;}
.crumbs span{color:#5f6a87;}
.hero-stack{display:grid;grid-template-columns:1.62fr .88fr;gap:22px;align-items:start;}
.hero-main-card{
 position:relative;
 padding:34px 34px 30px;
 border-radius:var(--radius);
 border:1px solid rgba(255,255,255,.13);
 background:linear-gradient(158deg,rgba(255,255,255,.10),rgba(255,255,255,.028) 62%,rgba(77,225,255,.05));
 box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
 backdrop-filter:blur(12px);
 -webkit-backdrop-filter:blur(12px);
}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
 color:var(--gold-2);background:rgba(255,180,0,.12);
 border:1px solid rgba(255,180,0,.34);margin-bottom:20px;
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);}
.hero-main-card h1{font-size:clamp(27px,3.5vw,42px);line-height:1.24;letter-spacing:.005em;}
.hero-main-card h1 .hl{
 background:linear-gradient(120deg,#fff5d6 0%,#ffd35c 42%,#ffb400 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;font-size:15.8px;line-height:1.95;color:#c6cee6;max-width:720px;}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:13px;align-items:center;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:11px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffd35c 0%,#ffb400 100%);color:#2a1d00;box-shadow:var(--glow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(255,180,0,.85);color:#2a1d00;}
.btn-ghost{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.18);color:#eef1fb;}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(77,225,255,.55);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.985);}
.hero-facts{margin-top:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.hero-facts div{
 padding:14px 16px;border-radius:var(--radius-sm);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.hero-facts strong{display:block;font-size:21px;color:var(--gold-2);letter-spacing:.02em;line-height:1.3;}
.hero-facts span{font-size:12.5px;color:#9aa5c4;}
.hero-sides{display:flex;flex-direction:column;gap:18px;}
.side-card{
 padding:22px 22px 20px;border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
 box-shadow:var(--shadow);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 transition:transform .25s ease,border-color .25s ease;
}
.side-card:hover{transform:translateY(-3px);border-color:rgba(77,225,255,.42);}
.side-card:nth-child(2){margin-left:-26px;border-color:rgba(255,180,0,.26);}
.side-card h3{font-size:15.5px;margin-bottom:10px;}
.side-card p{font-size:13.8px;line-height:1.85;color:#a9b3ce;}
.side-label{display:inline-block;font-size:11.5px;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;margin-bottom:9px;font-weight:700;}
.side-chain{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;}
.side-chain b{
 font-size:13px;color:#2a1d00;background:linear-gradient(135deg,#ffd35c,#ffb400);
 padding:3px 9px;border-radius:6px;font-weight:800;
}
.side-chain i{font-style:normal;color:#6d7794;font-size:12px;}
/* ============ 板块 ============ */
.section{padding:74px 0;position:relative;border-bottom:1px solid var(--line);}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.006));}
.section--tight{padding:58px 0;}
.sec-head{max-width:780px;margin-bottom:36px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:700;letter-spacing:.16em;
 color:var(--cyan);padding:6px 13px;border-radius:999px;
 border:1px solid rgba(77,225,255,.28);background:rgba(77,225,255,.07);
 margin-bottom:15px;text-transform:uppercase;
}
.sec-title{font-size:clamp(23px,2.5vw,32px);letter-spacing:.005em;}
.sec-sub{margin-top:14px;font-size:15.4px;line-height:1.92;color:var(--muted);}
/* 卡片 */
.row{max-width:100%;}
.grid-margin-x{margin-left:-10px;margin-right:-10px;}
.grid-margin-x>.cell{padding-left:10px;padding-right:10px;}
.card{
 height:100%;
 padding:26px 24px;
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
 box-shadow:var(--shadow);
 transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);box-shadow:0 28px 52px -26px rgba(0,0,0,.95);}
.card-num{
 display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
 font-size:14px;font-weight:800;color:var(--gold-2);
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);margin-bottom:15px;
}
.card h3{font-size:17px;margin-bottom:10px;}
.card p{font-size:14.4px;line-height:1.9;color:#a9b3ce;}
.card-tag{
 display:inline-block;margin-top:15px;font-size:12px;font-weight:700;
 color:var(--cyan);background:rgba(77,225,255,.09);border:1px solid rgba(77,225,255,.24);
 padding:4px 10px;border-radius:999px;
}
/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.tl-item{
 position:relative;padding:24px 20px 22px;border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(170deg,rgba(35,42,82,.55),rgba(11,15,33,.6));
 transition:border-color .25s ease,transform .25s ease;
}
.tl-item:hover{border-color:rgba(77,225,255,.42);transform:translateY(-3px);}
.tl-item::before{
 content:"";position:absolute;left:20px;top:0;width:44px;height:3px;border-radius:0 0 4px 4px;
 background:linear-gradient(90deg,var(--gold-2),rgba(255,180,0,0));
}
.tl-time{font-size:12.5px;color:var(--cyan);font-weight:700;letter-spacing:.06em;}
.tl-item h3{font-size:16px;margin:9px 0 8px;}
.tl-item p{font-size:13.8px;line-height:1.86;color:#a2adc9;}
/* 数据面板 */
.stat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.stat{
 padding:24px 20px;border-radius:var(--radius);text-align:left;
 border:1px solid var(--line);
 background:radial-gradient(320px 140px at 100% 0%,rgba(255,180,0,.13),transparent 70%),rgba(255,255,255,.04);
 transition:border-color .25s ease,transform .25s ease;
}
.stat:hover{border-color:rgba(255,180,0,.45);transform:translateY(-3px);}
.stat b{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--gold-2);line-height:1.2;letter-spacing:.02em;}
.stat span{display:block;margin-top:8px;font-size:12.8px;color:#9aa5c4;line-height:1.7;}
/* 列表型板块 */
.list-panel{
 border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
 background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.016));
 box-shadow:var(--shadow);
}
.list-row{
 display:grid;grid-template-columns:56px 1fr;gap:18px;
 padding:22px 26px;border-bottom:1px solid var(--line);
 transition:background .22s ease;
}
.list-row:last-child{border-bottom:0;}
.list-row:hover{background:rgba(255,180,0,.05);}
.list-idx{font-size:15px;font-weight:800;color:var(--gold);letter-spacing:.06em;line-height:1.9;}
.list-row h3{font-size:15.8px;margin-bottom:7px;}
.list-row p{font-size:14.2px;line-height:1.88;color:#a9b3ce;}
/* 复盘墙 */
.replay-card{
 height:100%;border-radius:var(--radius);overflow:hidden;
 border:1px solid var(--line);background:rgba(255,255,255,.04);
 transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
 display:flex;flex-direction:column;
}
.replay-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);box-shadow:0 26px 50px -28px rgba(0,0,0,.95);}
.replay-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.replay-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.replay-card:hover .replay-media img{transform:scale(1.05);}
.replay-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,22,.06),rgba(7,10,22,.78));}
.replay-score{
 position:absolute;left:14px;bottom:12px;z-index:2;
 font-size:13px;font-weight:800;color:#2a1d00;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
 padding:4px 11px;border-radius:999px;box-shadow:var(--glow-gold);
}
.replay-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;}
.replay-body h3{font-size:16.2px;margin-bottom:9px;}
.replay-body p{font-size:14px;line-height:1.88;color:#a9b3ce;}
.replay-meta{margin-top:auto;padding-top:14px;font-size:12.5px;color:#7f8aa8;border-top:1px dashed rgba(255,255,255,.11);}
/* 对照 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.cmp-col{padding:28px 26px;border-radius:var(--radius);border:1px solid var(--line);}
.cmp-col.bad{background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));}
.cmp-col.good{background:linear-gradient(170deg,rgba(255,180,0,.12),rgba(26,31,61,.5));border-color:rgba(255,180,0,.34);}
.cmp-col h3{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:18px;}
.cmp-col h3 em{
 font-style:normal;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
 color:#9aa5c4;background:rgba(255,255,255,.07);border:1px solid var(--line);
}
.cmp-col.good h3 em{color:#2a1d00;background:linear-gradient(135deg,#ffd35c,#ffb400);border-color:transparent;}
.cmp-list li{position:relative;padding-left:22px;margin-bottom:13px;font-size:14.4px;line-height:1.88;color:#aab4cf;}
.cmp-list li:last-child{margin-bottom:0;}
.cmp-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:#5f6a87;transform:rotate(45deg);}
.cmp-col.good .cmp-list li::before{background:linear-gradient(135deg,#ffd35c,#ffb400);}
.cmp-col.good .cmp-list li{color:#d3d9ea;}
/* 资讯 */
.news-card{
 height:100%;display:flex;flex-direction:column;
 padding:22px 22px 20px;border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.018));
 transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(77,225,255,.42);}
.news-cat{
 display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.05em;
 color:var(--cyan);background:rgba(77,225,255,.09);border:1px solid rgba(77,225,255,.24);
 padding:3px 9px;border-radius:6px;margin-bottom:12px;
}
.news-title{font-size:15.6px;font-weight:700;color:#fff;line-height:1.6;display:block;}
.news-title:hover{color:var(--gold-2);}
.news-ex{margin-top:10px;font-size:13.8px;line-height:1.86;color:#a2adc9;}
.news-meta{
 margin-top:auto;padding-top:14px;display:flex;justify-content:space-between;gap:10px;
 font-size:12.4px;color:#7f8aa8;border-top:1px dashed rgba(255,255,255,.11);
}
.news-empty{
 padding:34px 26px;border-radius:var(--radius);border:1px dashed rgba(255,255,255,.16);
 color:#8f9ab7;font-size:14.5px;background:rgba(255,255,255,.025);
}
/* FAQ */
.faq-wrap{max-width:900px;}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius-sm);
 background:rgba(255,255,255,.04);margin-bottom:12px;overflow:hidden;
 transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.42);background:rgba(255,180,0,.055);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15.5px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold);font-size:21px;line-height:1;font-weight:700;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"–";}
.faq-body{padding:0 22px 20px;font-size:14.4px;line-height:1.95;color:#a9b3ce;}
/* CTA */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius);
 border:1px solid rgba(255,180,0,.32);
 background:
 radial-gradient(680px 300px at 8% 0%,rgba(255,180,0,.20),transparent 62%),
 linear-gradient(150deg,#1a1f3d,#101533);
 padding:42px 40px;display:flex;align-items:center;justify-content:space-between;
 gap:30px;flex-wrap:wrap;box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);margin-bottom:12px;}
.cta-band p{font-size:14.8px;line-height:1.9;color:#b9c2da;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* 页脚 */
.site-footer{
 background:linear-gradient(180deg,rgba(10,14,32,.7),rgba(7,10,22,.98));
 border-top:1px solid var(--line);
 padding:52px 0 0;
}
.footer-inner{
 max-width:1240px;margin:0 auto;padding:0 24px 42px;
 display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:38px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about{font-size:14px;line-height:1.9;color:#8f9ab7;max-width:440px;}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:#fff;}
.footer-col ul li{font-size:13.8px;color:#8f9ab7;line-height:1.9;margin-bottom:9px;}
.footer-col ul li a{color:#8f9ab7;}
.footer-col ul li a:hover{color:var(--gold-2);}
.footer-bottom{
 max-width:1240px;margin:0 auto;padding:18px 24px 26px;
 border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.8px;color:#76809c;
}
/* ============ 响应式 ============ */
@media screen and (max-width:1180px){
 .hero-stack{grid-template-columns:1fr;}
 .side-card:nth-child(2){margin-left:0;}
 .hero-sides{flex-direction:row;gap:16px;}
 .hero-sides .side-card{flex:1;margin-top:0;}
 .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
 .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:1024px){
 .main-nav{
  position:absolute;top:66px;left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:2px;
  padding:12px 18px 18px;background:rgba(8,11,25,.98);
  border-bottom:1px solid var(--line);box-shadow:0 24px 40px -22px rgba(0,0,0,.95);
 }
 .main-nav.is-open{display:flex;}
 .nav-link{padding:11px 12px;font-size:15px;}
 .nav-toggle{display:inline-flex;}
 .search-box input{width:112px;}
 .footer-inner{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:768px){
 .header-inner{gap:12px;padding:0 16px;}
 .brand-text{font-size:15px;}
 .search-box{display:none;}
 .container{padding:0 18px;}
 .page-hero-inner{padding:38px 18px 56px;}
 .hero-main-card{padding:26px 22px 24px;}
 .hero-sides{flex-direction:column;}
 .hero-facts{grid-template-columns:1fr 1fr;gap:10px;}
 .section{padding:56px 0;}
 .list-row{grid-template-columns:1fr;gap:8px;padding:20px 20px;}
 .compare{grid-template-columns:1fr;}
 .cta-band{padding:32px 24px;}
 .footer-inner{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media screen and (max-width:520px){
 .hero-main-card h1{font-size:24px;}
 .hero-lead{font-size:14.8px;}
 .hero-facts strong{font-size:18px;}
 .stat-grid{grid-template-columns:1fr 1fr;}
 .timeline{grid-template-columns:1fr;}
 .btn{width:100%;}
 .hero-actions{flex-direction:column;align-items:stretch;}
 .cta-actions{width:100%;flex-direction:column;}
 .sec-title{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --ink:#070a16;
  --bg:#0b0f21;
  --bg-2:#11162e;
  --navy:#1a1f3d;
  --navy-soft:#232a52;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --cyan:#4de1ff;
  --text:#e9edf9;
  --muted:#9aa5c4;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.022);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.9);
  --glow-gold:0 10px 28px -10px rgba(255,180,0,.6);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(77,225,255,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,180,0,.09), transparent 60%),
    linear-gradient(180deg,#0b0f21 0%,#080c1b 46%,#070a16 100%);
  background-attachment:fixed;
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--gold-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:#fff;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0;color:#fff;line-height:1.3;font-weight:800;letter-spacing:.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(8,11,25,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  position:relative;
  max-width:1400px;margin:0 auto;padding:0 24px;
  height:66px;display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#2a1d00;font-weight:900;font-size:17px;box-shadow:var(--glow-gold);
}
.brand-text{font-size:16.5px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 13px;border-radius:9px;
  color:var(--muted);font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.13);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;height:36px;padding:0 6px 0 14px;
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease;margin:0;
}
.search-box:focus-within{border-color:rgba(255,180,0,.55);box-shadow:0 0 0 3px rgba(255,180,0,.12);}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:13.5px;width:146px;padding:0;height:auto;margin:0;box-shadow:none;
}
.search-box input::placeholder{color:#79849f;}
.search-box button{
  background:transparent;border:0;color:var(--muted);
  padding:4px 7px;font-size:13px;line-height:1;border-radius:999px;transition:color .2s ease;
}
.search-box button:hover{color:var(--gold-2);}
.ver-badge{
  font-size:12px;color:var(--cyan);padding:5px 10px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(77,225,255,.32);background:rgba(77,225,255,.08);font-weight:600;
}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;
  font-size:16px;line-height:1;align-items:center;justify-content:center;padding:0;
}
.nav-toggle:hover{background:rgba(255,255,255,.12);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-gold{
  background:linear-gradient(135deg,#ffd35c 0%,#ffb400 100%);
  color:#2a1d00;box-shadow:var(--glow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(255,180,0,.85);color:#2a1d00;}
.btn-ghost{
  background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.18);color:#eef1fb;
}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(77,225,255,.55);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.985);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}

/* ============ Hero 杂志分栏 ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;transform:scale(1.05);}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(112deg,rgba(8,11,25,.97) 0%,rgba(10,14,32,.9) 46%,rgba(26,31,61,.66) 100%),
    linear-gradient(0deg,rgba(7,10,22,.97) 0%,rgba(7,10,22,.2) 52%,rgba(7,10,22,.6) 100%);
}
.hero-inner{
  position:relative;z-index:2;max-width:1280px;margin:0 auto;
  padding:74px 24px 66px;
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold-2);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.34);margin-bottom:22px;
}
.hero-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.hero h1{
  font-size:clamp(28px,3.9vw,46px);line-height:1.22;color:#fff;
  letter-spacing:.005em;text-shadow:0 10px 34px rgba(0,0,0,.62);
}
.hero h1 .hl{
  background:linear-gradient(120deg,#fff5d6 0%,#ffd35c 42%,#ffb400 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;max-width:660px;font-size:16px;line-height:1.95;color:#c3cbe4;}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{margin-top:20px;font-size:13px;color:#8b96b4;letter-spacing:.02em;}

/* Hero 右侧精选卡 */
.hero-pick{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(165deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-pick-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hero-pick-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.hero-pick:hover .hero-pick-media img{transform:scale(1.05);}
.hero-pick-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,22,.05) 0%,rgba(7,10,22,.82) 100%);
}
.hero-pick-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:12px;font-weight:700;color:#2a1d00;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  padding:5px 12px;border-radius:999px;box-shadow:var(--glow-gold);
}
.hero-pick-body{padding:18px 20px 22px;}
.hero-pick-body h2{font-size:18px;margin-bottom:12px;}
.hero-pick-rows{display:flex;flex-direction:column;gap:1px;border-radius:11px;overflow:hidden;background:rgba(255,255,255,.05);}
.hero-pick-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;background:rgba(11,15,33,.72);font-size:13.5px;
}
.hero-pick-row span{color:var(--muted);}
.hero-pick-row strong{color:var(--gold-2);font-size:15px;font-weight:800;}

/* ============ 通用板块 ============ */
.section{padding:74px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(255,255,255,.032) 0%,rgba(255,255,255,.008) 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.section-head h2{font-size:clamp(23px,2.6vw,32px);line-height:1.32;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .eyebrow{justify-content:center;}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.stat{
  padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--glass),var(--glass-2));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.34);}
.stat-num{
  font-size:30px;font-weight:900;line-height:1.1;
  background:linear-gradient(120deg,#fff5d6,#ffd35c 55%,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:8px;font-size:14px;color:#fff;font-weight:700;}
.stat-desc{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.75;}

/* 分段路线卡 */
.route-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.route-card{
  position:relative;padding:24px 22px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.018));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.route-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 24px 46px -26px rgba(0,0,0,.95);}
.route-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-size:14px;font-weight:900;
  color:#2a1d00;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  box-shadow:var(--glow-gold);margin-bottom:14px;
}
.route-card h3{font-size:17px;margin-bottom:10px;}
.route-card p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:14px;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;padding:4px 11px;border-radius:999px;
  color:var(--cyan);background:rgba(77,225,255,.09);
  border:1px solid rgba(77,225,255,.26);font-weight:600;
}
.tag-gold{color:var(--gold-2);background:rgba(255,180,0,.1);border-color:rgba(255,180,0,.3);}

/* 方案三列 */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.plan-card{
  border-radius:16px;padding:26px 24px;border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.016));
  box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.plan-card:hover{transform:translateY(-5px);border-color:rgba(77,225,255,.4);}
.plan-card.is-featured{
  border-color:rgba(255,180,0,.45);
  background:linear-gradient(165deg,rgba(255,180,0,.13),rgba(255,255,255,.02));
}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.plan-head h3{font-size:19px;}
.plan-card > p{font-size:14px;color:var(--muted);line-height:1.85;}
.plan-list{margin:16px 0 20px;display:flex;flex-direction:column;gap:10px;}
.plan-list li{
  position:relative;padding-left:20px;font-size:14px;color:#cbd3e8;line-height:1.8;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  box-shadow:0 0 0 3px rgba(255,180,0,.14);
}
.plan-foot{margin-top:auto;font-size:13px;color:#8b96b4;border-top:1px dashed rgba(255,255,255,.14);padding-top:14px;}

/* 图文块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 28px 56px -30px rgba(0,0,0,.95);position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#dfe5f5;
  background:linear-gradient(0deg,rgba(7,10,22,.94),rgba(7,10,22,0));
}
.split-body h2{font-size:clamp(22px,2.5vw,30px);margin-bottom:16px;}
.split-body p{color:var(--muted);font-size:15.3px;line-height:1.95;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  position:relative;padding-left:28px;font-size:14.5px;color:#cbd3e8;line-height:1.8;
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:19px;height:19px;border-radius:6px;
  display:grid;place-items:center;font-size:12px;font-weight:900;color:#2a1d00;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{
  position:relative;padding:24px 20px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.014));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.36);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:900;line-height:1;
  background:linear-gradient(120deg,#ffd35c,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:9px;}
.step p{font-size:13.8px;color:var(--muted);line-height:1.85;margin:0;}
.step-meta{margin-top:12px;font-size:12.5px;color:var(--cyan);font-weight:700;letter-spacing:.02em;}

/* 误区对照 */
.warn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.warn-item{
  display:flex;gap:16px;padding:22px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--line);border-left:3px solid rgba(255,180,0,.6);
  transition:transform .25s ease,border-color .25s ease;
}
.warn-item:hover{transform:translateX(4px);border-left-color:var(--gold);}
.warn-idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:900;color:var(--gold-2);
  background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);
}
.warn-item h3{font-size:15.6px;margin-bottom:8px;}
.warn-item p{font-size:14px;color:var(--muted);line-height:1.85;margin:0;}
.warn-fix{margin-top:10px;font-size:13.4px;color:var(--cyan);}

/* 案例墙 */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.case-card{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.058),rgba(255,255,255,.014));
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .28s ease,border-color .28s ease;
}
.case-card:hover{transform:translateY(-6px);border-color:rgba(255,180,0,.42);}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.case-card:hover .case-media img{transform:scale(1.06);}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,10,22,.85),rgba(7,10,22,.05));}
.case-round{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:12px;font-weight:700;color:#fff;letter-spacing:.04em;
  padding:4px 11px;border-radius:999px;background:rgba(26,31,61,.82);
  border:1px solid rgba(255,255,255,.18);
}
.case-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.case-body h3{font-size:16.5px;margin-bottom:9px;}
.case-body p{font-size:13.8px;color:var(--muted);line-height:1.85;}
.case-result{
  margin-top:auto;padding-top:14px;border-top:1px dashed rgba(255,255,255,.14);
  font-size:13.4px;color:var(--gold-2);font-weight:600;
}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border-radius:12px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.052),rgba(255,255,255,.012));
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.4);background:rgba(255,180,0,.055);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
  font-size:15.5px;font-weight:700;color:#fff;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-size:15px;font-weight:700;color:var(--gold-2);
  background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.28);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-answer{padding:0 20px 18px;font-size:14.3px;color:var(--muted);line-height:1.92;}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.cta-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(7,10,22,.96),rgba(26,31,61,.8));
}
.cta-inner{
  position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:58px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-inner p{color:#c3cbe4;font-size:15px;margin:0;max-width:620px;line-height:1.9;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:rgba(5,8,18,.94);border-top:1px solid var(--line);padding-top:56px;}
.footer-inner{
  max-width:1280px;margin:0 auto;padding:0 24px 40px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{color:var(--muted);font-size:14px;line-height:1.9;max-width:440px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 14px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col li,.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--gold-2);}
.footer-bottom{
  max-width:1280px;margin:0 auto;padding:16px 24px 28px;
  border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;color:#78829f;font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:60px 24px 56px;}
  .hero-pick{max-width:620px;}
  .route-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:66px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;display:none;
    background:rgba(8,11,25,.98);border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:0 24px 40px -24px rgba(0,0,0,.95);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .search-box input{width:110px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .plan-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .header-inner{height:auto;min-height:64px;flex-wrap:wrap;padding:10px 16px;gap:10px;}
  .brand-text{font-size:15px;}
  .ver-badge{display:none;}
  .main-nav{top:auto;position:static;width:100%;order:4;border-radius:12px;border:1px solid var(--line);}
  .header-tools{margin-left:auto;}
  .container{padding:0 18px;}
  .section{padding:54px 0;}
  .hero-inner{padding:46px 18px 44px;gap:28px;}
  .hero-lead{font-size:15px;}
  .hero-actions .btn{flex:1 1 180px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .route-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .warn-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .cta-inner{padding:44px 18px;flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 160px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
  .footer-bottom{font-size:12.5px;flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .brand-text{font-size:14px;white-space:normal;line-height:1.3;}
  .brand-mark{width:32px;height:32px;font-size:15px;}
  .search-box{display:none;}
  .hero h1{font-size:26px;}
  .hero-pick-body{padding:16px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-num{font-size:26px;}
  .split-media img{aspect-ratio:16/11;}
  .faq-item summary{font-size:14.6px;padding:15px 46px 15px 16px;}
  .faq-answer{padding:0 16px 16px;font-size:13.8px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: category3 */
:root{
  --ink:#070a16;
  --bg:#0b0f21;
  --bg-2:#11162e;
  --navy:#1a1f3d;
  --navy-soft:#232a52;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --cyan:#4de1ff;
  --text:#e9edf9;
  --muted:#9aa5c4;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.022);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.9);
  --glow-gold:0 10px 28px -10px rgba(255,180,0,.6);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(77,225,255,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,180,0,.09), transparent 60%),
    linear-gradient(180deg,#0b0f21 0%,#080c1b 46%,#070a16 100%);
  background-attachment:fixed;
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--gold-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:#fff;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,11,25,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1400px;margin:0 auto;padding:0 24px;
  height:66px;display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#2a1d00;font-weight:900;font-size:17px;box-shadow:var(--glow-gold);
}
.brand-text{font-size:16.5px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 13px;border-radius:9px;
  color:var(--muted);font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--gold-2);background:rgba(255,180,0,.13);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;height:36px;padding:0 6px 0 14px;margin:0;
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(255,180,0,.55);box-shadow:0 0 0 3px rgba(255,180,0,.12);}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:13.5px;width:146px;padding:0;margin:0;height:auto;box-shadow:none;
}
.search-box input::placeholder{color:#79849f;}
.search-box button{
  background:transparent;border:0;color:var(--muted);cursor:pointer;margin:0;
  padding:4px 7px;font-size:13px;line-height:1;border-radius:999px;transition:color .2s ease;
}
.search-box button:hover{color:var(--gold-2);}
.ver-badge{
  font-size:12px;color:var(--cyan);padding:5px 10px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(77,225,255,.32);background:rgba(77,225,255,.08);font-weight:600;
}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;
  font-size:16px;line-height:1;align-items:center;justify-content:center;padding:0;margin:0;
}
.nav-toggle:hover{background:rgba(255,255,255,.12);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;margin:0;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#ffd35c 0%,#ffb400 100%);color:#2a1d00;box-shadow:var(--glow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(255,180,0,.85);color:#2a1d00;}
.btn-ghost{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.18);color:#eef1fb;}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(77,225,255,.55);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.985);}
.btn-sm{padding:10px 18px;font-size:13.5px;border-radius:9px;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;transform:scale(1.04);}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(8,11,25,.96) 0%,rgba(10,14,32,.88) 44%,rgba(26,31,61,.66) 100%),
    linear-gradient(0deg,rgba(7,10,22,.96) 0%,rgba(7,10,22,.18) 48%,rgba(7,10,22,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:74px 24px 68px;max-width:1280px;margin:0 auto;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.6fr);gap:52px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold-2);background:rgba(255,180,0,.12);
  border:1px solid rgba(255,180,0,.34);margin-bottom:20px;
}
.hero-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(255,180,0,.18);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.42;}}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.24;color:#fff;
  max-width:860px;letter-spacing:.004em;text-shadow:0 10px 34px rgba(0,0,0,.62);
}
.hero h1 .hl{background:linear-gradient(120deg,#fff5d6 0%,#ffd35c 42%,#ffb400 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{margin-top:20px;max-width:700px;font-size:16px;line-height:1.95;color:#c3cbe4;}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-metrics{margin-top:40px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:720px;}
.metric{
  padding:14px 15px;border-radius:12px;
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.metric b{display:block;font-size:21px;color:var(--gold-2);letter-spacing:.01em;line-height:1.3;}
.metric span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}
.hero-poster{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 34px 74px -32px rgba(0,0,0,.95);
}
.hero-poster img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.hero-poster::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(7,10,22,.92) 0%,rgba(7,10,22,.08) 46%,transparent 100%);
}
.poster-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:6px 13px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#2a1d00;
  font-size:12.5px;font-weight:800;box-shadow:var(--glow-gold);
}
.poster-caption{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:18px;font-size:13px;color:#d3daee;line-height:1.7;}
.poster-caption strong{color:#fff;display:block;font-size:14.5px;margin-bottom:4px;}

/* ===== 文档布局 ===== */
.doc-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:48px;align-items:start;padding:56px 0 0;}
.doc-nav{
  position:sticky;top:88px;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 14px;
}
.doc-nav h2{font-size:12px;letter-spacing:.18em;color:var(--muted);margin:0 0 12px 10px;font-weight:800;}
.doc-nav a{
  display:block;padding:8px 10px;border-radius:8px;color:#b9c3dc;font-size:14px;
  border-left:2px solid transparent;transition:background .2s,color .2s,border-color .2s;
}
.doc-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.doc-nav a.is-current{color:var(--gold-2);background:rgba(255,180,0,.12);border-left-color:var(--gold);}

/* ===== 板块 ===== */
.section{padding:64px 0;border-top:1px solid var(--line);}
.section:first-child{border-top:0;padding-top:0;}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0));border-radius:22px;padding:56px 34px;margin:44px 0;border:1px solid var(--line);}
.section-head{margin-bottom:34px;max-width:780px;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.16em;font-weight:800;
  color:var(--cyan);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(21px,2.3vw,29px);color:#fff;line-height:1.35;letter-spacing:.01em;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.9;}

/* ===== 活动卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.act-card{
  position:relative;padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;gap:12px;
}
.act-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);box-shadow:0 28px 54px -26px rgba(0,0,0,.95);}
.act-card .chip{
  align-self:flex-start;font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
  color:var(--gold-2);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);
}
.chip-cyan{color:var(--cyan)!important;background:rgba(77,225,255,.1)!important;border-color:rgba(77,225,255,.32)!important;}
.act-card h3{font-size:17.5px;color:#fff;line-height:1.4;}
.act-card p{font-size:14px;color:var(--muted);line-height:1.85;}
.act-meta{display:flex;flex-direction:column;gap:7px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.1);font-size:13px;}
.act-meta div{display:flex;justify-content:space-between;gap:12px;color:#a9b3cd;}
.act-meta b{color:#eef1fb;font-weight:600;text-align:right;}
.act-meta .gain b{color:var(--gold-2);}

/* ===== 触发链路 ===== */
.chain{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.chain-step{
  position:relative;padding:24px 20px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .25s,background .25s,transform .25s;
}
.chain-step:hover{border-color:rgba(77,225,255,.42);background:rgba(255,255,255,.065);transform:translateY(-3px);}
.chain-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:900;font-size:15px;color:#2a1d00;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));margin-bottom:14px;
  box-shadow:var(--glow-gold);
}
.chain-step h3{font-size:16px;color:#fff;margin-bottom:8px;}
.chain-step p{font-size:13.5px;color:var(--muted);line-height:1.85;}

/* ===== 强度榜 ===== */
.rank-list{display:flex;flex-direction:column;gap:10px;}
.rank-item{
  display:grid;grid-template-columns:52px minmax(0,1.5fr) minmax(0,1fr) minmax(0,.9fr);
  align-items:center;gap:16px;padding:16px 20px;border-radius:12px;
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:background .2s,border-color .2s,transform .2s;
}
.rank-item:hover{background:rgba(255,255,255,.07);border-color:rgba(255,180,0,.35);transform:translateX(3px);}
.rank-no{font-size:19px;font-weight:900;color:rgba(255,180,0,.75);letter-spacing:.02em;}
.rank-item h3{font-size:15.5px;color:#fff;font-weight:700;}
.rank-item .score{color:var(--gold-2);font-size:14px;letter-spacing:.12em;}
.rank-item .fit{font-size:13px;color:var(--muted);text-align:right;}

/* ===== 档位建议 ===== */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:26px;}
.tier-card{
  padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(35,42,82,.85),rgba(17,22,46,.7));
  border:1px solid rgba(255,255,255,.1);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.tier-card:hover{border-color:rgba(255,180,0,.45);transform:translateY(-4px);box-shadow:0 24px 48px -26px rgba(0,0,0,.9);}
.tier-card .tier-name{font-size:12.5px;letter-spacing:.18em;color:var(--cyan);font-weight:800;}
.tier-card h3{font-size:18px;color:#fff;margin:8px 0 12px;}
.tier-card p{font-size:14px;color:#b8c1da;line-height:1.85;}
.tier-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.tier-card li{font-size:13.5px;color:var(--muted);padding-left:16px;position:relative;}
.tier-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold);}
.avoid-box{
  padding:22px 24px;border-radius:var(--radius);
  border:1px solid rgba(255,180,0,.28);
  background:linear-gradient(120deg,rgba(255,180,0,.09),rgba(255,180,0,.02));
}
.avoid-box h3{font-size:16px;color:var(--gold-2);margin-bottom:12px;}
.avoid-box li{font-size:14px;color:#cfd6ea;line-height:1.9;padding-left:20px;position:relative;margin-bottom:8px;}
.avoid-box li:last-child{margin-bottom:0;}
.avoid-box li::before{content:"!";position:absolute;left:0;top:0;color:var(--gold);font-weight:900;}

/* ===== 录像对照 ===== */
.compare{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1fr);gap:40px;align-items:center;}
.compare-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);}
.compare-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.compare-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:13px;color:#d3daee;
  background:linear-gradient(0deg,rgba(7,10,22,.94),transparent);
}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px;}
.stat{padding:16px 18px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);}
.stat b{display:block;font-size:23px;color:var(--gold-2);line-height:1.3;}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;}
.compare-text p{font-size:15px;color:#c3cbe4;line-height:1.95;margin-bottom:14px;}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:transform .24s,border-color .24s,background .24s,box-shadow .24s;
}
.news-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.075);border-color:rgba(77,225,255,.4);box-shadow:0 24px 46px -26px rgba(0,0,0,.9);color:inherit;}
.news-card h3{font-size:16px;color:#fff;line-height:1.5;}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.8;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8792b0;padding-top:10px;border-top:1px dashed rgba(255,255,255,.1);}
.news-meta .tag{color:var(--cyan);}
.empty-note{padding:22px;border-radius:12px;border:1px dashed rgba(255,255,255,.16);color:var(--muted);font-size:14px;background:rgba(255,255,255,.025);}

/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.035);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item:hover{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.05);}
.faq-item summary{
  cursor:pointer;padding:16px 20px;font-weight:700;color:#eef1fb;font-size:15px;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold-2);font-weight:900;font-size:18px;line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item[open] summary{color:var(--gold-2);}
.faq-body{padding:0 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.9;}

/* ===== 收口 CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  padding:52px 44px;border:1px solid rgba(255,180,0,.3);
  background:
    radial-gradient(600px 260px at 88% 10%, rgba(255,180,0,.18), transparent 62%),
    linear-gradient(140deg,rgba(35,42,82,.92),rgba(12,16,36,.96));
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;line-height:1.35;max-width:640px;}
.cta-band p{margin-top:14px;color:#c3cbe4;font-size:15.5px;max-width:640px;line-height:1.9;}
.cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{background:#070a16;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0;}
.footer-inner{
  max-width:1280px;margin:0 auto;padding:0 24px 40px;
  display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-about{color:var(--muted);font-size:14px;line-height:1.9;margin-top:16px;max-width:430px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:var(--muted);}
.footer-col li a{color:var(--muted);}
.footer-col li a:hover{color:var(--gold-2);}
.footer-bottom{
  max-width:1280px;margin:0 auto;padding:18px 24px 26px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:#7b85a3;font-size:13px;
}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .header-inner{gap:12px;}
  .search-box input{width:112px;}
  .doc-layout{gap:32px;grid-template-columns:210px minmax(0,1fr);}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .chain{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-poster{max-width:420px;}
  .hero-poster img{aspect-ratio:16/11;}
  .doc-layout{grid-template-columns:1fr;padding-top:40px;}
  .doc-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;}
  .doc-nav h2{width:100%;margin:0 0 4px 4px;}
  .doc-nav a{border:1px solid var(--line);border-left:1px solid var(--line);font-size:13px;padding:6px 12px;border-radius:999px;}
  .doc-nav a.is-current{border-color:rgba(255,180,0,.5);}
  .plan-grid{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;gap:26px;}
  .rank-item{grid-template-columns:40px minmax(0,1fr);row-gap:6px;}
  .rank-item .score,.rank-item .fit{grid-column:2;text-align:left;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;left:12px;right:12px;top:70px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(10,14,32,.98);border:1px solid var(--line);border-radius:14px;
    padding:12px;box-shadow:0 26px 50px -24px rgba(0,0,0,.95);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;font-size:15px;border-radius:9px;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .header-inner{position:relative;}
}
@media (max-width:768px){
  .container,.header-inner,.hero-inner,.footer-inner,.footer-bottom{padding-left:18px;padding-right:18px;}
  .hero-inner{padding-top:52px;padding-bottom:52px;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid,.news-grid,.chain{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section--alt{padding:38px 20px;margin:32px 0;border-radius:16px;}
  .cta-band{padding:36px 22px;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .brand-text{font-size:15px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero h1{font-size:25px;}
  .hero-lead{font-size:14.5px;}
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-bottom{font-size:12px;}
  .ver-badge{display:none;}
  .act-meta div{flex-direction:column;gap:2px;}
  .act-meta b{text-align:left;}
}