/* roulang page: index */
:root{
  --bg:#060b18;
  --bg-soft:#0a1224;
  --panel:rgba(16,26,48,.78);
  --line:rgba(110,160,255,.16);
  --line-strong:rgba(110,190,255,.4);
  --text:#e8f0ff;
  --text-mid:#a9bcd9;
  --text-dim:#7d91b3;
  --brand:#4f9dff;
  --brand-2:#38e0ff;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 42px rgba(2,8,22,.58);
  --shadow-hover:0 24px 50px rgba(10,46,120,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  background:
    radial-gradient(1200px 620px at 12% -10%, rgba(38,96,190,.34), transparent 62%),
    radial-gradient(900px 520px at 92% 2%, rgba(24,180,220,.18), transparent 58%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.3px}
p{margin:0}
section[id],div[id]{scroll-margin-top:88px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(6,11,24,.72);
  border-bottom:1px solid rgba(110,160,255,.12);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck{
  background:rgba(6,11,24,.93);
  box-shadow:0 12px 32px rgba(2,8,22,.65);
}
.header-inner{
  position:relative;
  min-height:64px;
  display:flex;
  align-items:center;
  gap:16px;
}
.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;
  font-size:17px;
  font-weight:800;
  color:#04101f;
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  box-shadow:0 0 20px rgba(56,224,255,.45);
}
.brand-name{
  font-size:16px;
  font-weight:800;
  letter-spacing:.5px;
  color:#fff;
  white-space:nowrap;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  padding:5px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(13,23,44,.68);
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:34px;
  padding:6px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-mid);
  white-space:nowrap;
  transition:color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(79,157,255,.16)}
.nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-link.is-active{
  color:#04101f;
  font-weight:700;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 6px 18px rgba(56,224,255,.34);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:rgba(79,157,255,.12);
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:#cfe6ff;
  transition:transform .22s ease, opacity .22s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:14px;
  font-weight:700;
  letter-spacing:.4px;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn-primary{
  color:#04101f;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 10px 26px rgba(40,140,255,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,255,.46)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(79,157,255,.18);border-color:var(--brand-2)}
.btn-glow{
  color:#04101f;
  background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  box-shadow:0 0 0 1px rgba(120,230,255,.6), 0 0 26px rgba(56,224,255,.5);
}
.btn-glow:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(170,242,255,.9), 0 0 38px rgba(56,224,255,.72);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:9px}

/* ============ 通用板块 ============ */
.section{padding:66px 0;position:relative}
.section-alt{
  background:linear-gradient(180deg, rgba(10,18,36,0), rgba(13,24,48,.72) 22%, rgba(13,24,48,.72) 78%, rgba(10,18,36,0));
}
.section-head{max-width:780px;margin-bottom:34px}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:2.5px;
  color:#7fdcff;
}
.section-kicker::before{
  content:"";
  width:24px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));
}
.section-title{
  margin-top:12px;
  font-size:clamp(22px,2.7vw,30px);
  font-weight:800;
  color:#fff;
}
.section-sub{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-mid);
}

/* ============ 玻璃卡片 ============ */
.glass{
  background:linear-gradient(160deg, rgba(20,34,64,.86), rgba(10,18,36,.74));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.card{
  position:relative;
  height:100%;
  padding:22px;
  border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(19,32,60,.86), rgba(10,18,36,.78));
  border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(2,8,22,.45);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(120,200,255,.5);
  box-shadow:var(--shadow-hover);
}
.card h3{
  margin:14px 0 8px;
  font-size:16px;
  font-weight:700;
  color:#fff;
}
.card p{
  font-size:13.8px;
  line-height:1.78;
  color:var(--text-mid);
}
.card-sm{padding:18px}
.icon-box{
  width:44px;
  height:44px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#7fe3ff;
  background:linear-gradient(150deg, rgba(56,224,255,.2), rgba(79,157,255,.08));
  border:1px solid rgba(90,180,255,.3);
}
.icon-box svg{width:22px;height:22px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  color:#9fd4ff;
  background:rgba(79,157,255,.1);
  border:1px solid rgba(79,157,255,.3);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 70px;
}
.hero-media{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  filter:saturate(.85);
  transform:scale(1.04);
}
.hero-veil{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(6,11,24,.55) 0%, rgba(6,11,24,.84) 58%, var(--bg) 100%),
    radial-gradient(720px 440px at 18% 18%, rgba(35,110,255,.34), transparent 68%);
}
.hero-inner{position:relative;z-index:2}
.profile-card{
  padding:30px;
  border-radius:var(--radius-lg);
}
.profile-head{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.avatar{
  width:64px;
  height:64px;
  border-radius:18px;
  object-fit:cover;
  border:1px solid rgba(120,200,255,.42);
  box-shadow:0 0 26px rgba(56,224,255,.28);
  flex:0 0 auto;
}
.profile-id{display:flex;flex-direction:column;gap:3px}
.profile-name{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:17px;
  font-weight:800;
  color:#fff;
}
.verify-badge{
  font-size:11px;
  font-weight:700;
  padding:3px 10px;
  border-radius:999px;
  color:#8fdcff;
  background:rgba(56,224,255,.12);
  border:1px solid rgba(56,224,255,.36);
}
.profile-meta{font-size:13px;color:var(--text-dim)}
.profile-head .btn-glow{margin-left:auto}
.hero-title{
  margin-top:24px;
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  line-height:1.28;
  color:#fff;
}
.hero-desc{
  margin-top:16px;
  max-width:840px;
  font-size:15px;
  line-height:1.88;
  color:var(--text-mid);
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.stat-badge{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:9px 16px;
  border-radius:12px;
  font-size:13px;
  color:var(--text-mid);
  background:rgba(12,24,48,.72);
  border:1px solid var(--line);
  transition:border-color .2s ease, transform .2s ease;
}
.stat-badge:hover{border-color:rgba(120,200,255,.45);transform:translateY(-2px)}
.stat-badge strong{font-size:18px;font-weight:800;color:#fff}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}

/* ============ 成长阶梯 ============ */
.ladder{display:grid;gap:14px}
.ladder-step{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:20px 22px;
  border-radius:var(--radius);
  background:linear-gradient(120deg, rgba(19,32,60,.86), rgba(10,18,36,.7));
  border:1px solid var(--line);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.ladder-step:hover{
  transform:translateX(5px);
  border-color:rgba(120,200,255,.45);
  box-shadow:0 16px 34px rgba(8,40,110,.42);
}
.ladder-num{
  flex:0 0 auto;
  width:42px;
  height:42px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:800;
  color:#04101f;
  background:linear-gradient(140deg,#7ce9ff,#4f9dff);
  box-shadow:0 0 20px rgba(56,224,255,.36);
}
.ladder-body h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:6px}
.ladder-body p{font-size:13.6px;line-height:1.76;color:var(--text-mid)}
.ladder-body .tag{margin-top:10px}

/* ============ 方案对比 ============ */
.plan{
  position:relative;
  height:100%;
  padding:26px 24px;
  border-radius:var(--radius);
  background:linear-gradient(170deg, rgba(18,30,58,.9), rgba(10,18,36,.8));
  border:1px solid var(--line);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.45);box-shadow:var(--shadow-hover)}
.plan.is-featured{
  border-color:rgba(120,220,255,.62);
  box-shadow:0 0 0 1px rgba(120,220,255,.32), 0 22px 48px rgba(20,90,200,.42);
}
.plan-flag{
  position:absolute;
  top:-13px;
  right:20px;
  padding:3px 12px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:700;
  color:#04101f;
  background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  box-shadow:0 6px 18px rgba(56,224,255,.4);
}
.plan-name{font-size:17px;font-weight:800;color:#fff}
.plan-note{margin-top:6px;font-size:13px;color:var(--text-dim)}
.plan-price{
  margin-top:16px;
  font-size:26px;
  font-weight:800;
  color:#7fe3ff;
  letter-spacing:.5px;
}
.plan-price span{font-size:13px;font-weight:500;color:var(--text-dim);margin-left:6px}
.plan-list{
  list-style:none;
  margin:18px 0 0;
  padding:0;
  display:grid;
  gap:11px;
}
.plan-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.6px;
  line-height:1.7;
  color:var(--text-mid);
}
.plan-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;
  height:6px;
  margin-top:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#38e0ff,#4f9dff);
  box-shadow:0 0 8px rgba(56,224,255,.7);
}

/* ============ 限时入口 ============ */
.countdown-band{
  display:grid;
  gap:24px;
  grid-template-columns:1.15fr .85fr;
  padding:30px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(28,78,168,.62), rgba(10,20,44,.9));
  border:1px solid rgba(120,200,255,.3);
  box-shadow:0 22px 54px rgba(10,50,140,.42);
}
.countdown-title{font-size:20px;font-weight:800;color:#fff}
.countdown-text{margin-top:10px;font-size:14px;line-height:1.8;color:#b9cdea}
.countdown-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
  margin-top:8px;
}
.count-box{
  padding:14px 8px;
  border-radius:12px;
  text-align:center;
  background:rgba(6,14,32,.62);
  border:1px solid rgba(120,200,255,.28);
}
.count-box b{
  display:block;
  font-size:24px;
  font-weight:800;
  color:#8fe6ff;
  letter-spacing:1px;
  line-height:1.2;
}
.count-box span{font-size:11.5px;color:var(--text-dim)}
.event-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.event-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:12px;
  background:rgba(8,18,38,.6);
  border:1px solid var(--line);
  transition:border-color .2s ease, background .2s ease;
}
.event-list li:hover{border-color:rgba(120,200,255,.45);background:rgba(12,26,54,.75)}
.event-dot{
  flex:0 0 auto;
  width:9px;
  height:9px;
  margin-top:9px;
  border-radius:50%;
  background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  box-shadow:0 0 10px rgba(56,224,255,.8);
}
.event-list h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:4px}
.event-list p{font-size:13px;line-height:1.7;color:var(--text-mid)}

/* ============ 爆款清单 ============ */
.cover-card{
  overflow:hidden;
  padding:0;
  display:flex;
  flex-direction:column;
}
.cover-wrap{overflow:hidden;border-radius:var(--radius) var(--radius) 0 0}
.cover-wrap img{
  width:100%;
  height:172px;
  object-fit:cover;
  transition:transform .32s ease;
}
.cover-card:hover .cover-wrap img{transform:scale(1.06)}
.cover-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.cover-body h3{margin:0;font-size:15.5px;font-weight:700;color:#fff}
.cover-body p{font-size:13.4px;line-height:1.72;color:var(--text-mid)}
.cover-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}

/* ============ 场景矩阵 ============ */
.scene{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:22px;
  border-radius:var(--radius);
  background:linear-gradient(140deg, rgba(18,30,58,.88), rgba(10,18,36,.76));
  border:1px solid var(--line);
  height:100%;
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.scene:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.45);box-shadow:var(--shadow-hover)}
.scene h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:8px}
.scene p{font-size:13.6px;line-height:1.76;color:var(--text-mid)}

/* ============ 三步上手 ============ */
.step{
  position:relative;
  padding:26px 24px;
  border-radius:var(--radius);
  background:linear-gradient(170deg, rgba(18,30,58,.9), rgba(10,18,36,.78));
  border:1px solid var(--line);
  height:100%;
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.45);box-shadow:var(--shadow-hover)}
.step-num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:transparent;
  background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  -webkit-background-clip:text;
  background-clip:text;
}
.step h3{margin-top:14px;font-size:16px;font-weight:700;color:#fff}
.step p{margin-top:8px;font-size:13.6px;line-height:1.76;color:var(--text-mid)}

/* ============ 评价墙 ============ */
.quote-card{
  height:100%;
  padding:24px;
  border-radius:var(--radius);
  background:linear-gradient(160deg, rgba(20,34,64,.88), rgba(10,18,36,.76));
  border:1px solid var(--line);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.45);box-shadow:var(--shadow-hover)}
.quote-stars{font-size:13px;letter-spacing:3px;color:#ffd166}
.quote-text{margin-top:12px;font-size:14px;line-height:1.82;color:#cfdcef}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote-avatar{
  width:40px;height:40px;border-radius:12px;object-fit:cover;
  border:1px solid rgba(120,200,255,.36);
}
.quote-user b{display:block;font-size:13.5px;color:#fff;font-weight:700}
.quote-user span{font-size:12.5px;color:var(--text-dim)}

/* ============ 保障条 ============ */
.guarantee-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.guarantee-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:20px;
  border-radius:var(--radius);
  background:rgba(12,22,44,.72);
  border:1px solid var(--line);
  transition:border-color .2s ease, transform .2s ease;
}
.guarantee-item:hover{border-color:rgba(120,200,255,.42);transform:translateY(-3px)}
.guarantee-item h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px}
.guarantee-item p{font-size:12.8px;line-height:1.72;color:var(--text-dim)}

/* ============ 资讯区 ============ */
.news-layout{
  display:grid;
  grid-template-columns:1.55fr .95fr;
  gap:24px;
  align-items:start;
}
.news-main{display:grid;gap:16px}
.news-item{
  display:flex;
  gap:16px;
  padding:16px;
  border-radius:var(--radius);
  background:linear-gradient(150deg, rgba(18,30,58,.86), rgba(10,18,36,.74));
  border:1px solid var(--line);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(120,200,255,.45);box-shadow:var(--shadow-hover)}
.news-item img{
  flex:0 0 auto;
  width:150px;
  height:100px;
  object-fit:cover;
  border-radius:10px;
  border:1px solid rgba(120,200,255,.18);
}
.news-body{display:flex;flex-direction:column;gap:7px;min-width:0}
.news-body h3{font-size:15px;font-weight:700;color:#fff;line-height:1.5}
.news-body p{
  font-size:13.2px;
  line-height:1.7;
  color:var(--text-mid);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--text-dim);margin-top:auto;padding-top:4px}
.news-tag{
  padding:2px 10px;
  border-radius:999px;
  font-size:11.5px;
  color:#8fd8ff;
  background:rgba(56,224,255,.1);
  border:1px solid rgba(56,224,255,.3);
}
.news-side{display:grid;gap:14px}
.side-card{
  padding:18px;
  border-radius:var(--radius);
  background:rgba(12,22,44,.74);
  border:1px solid var(--line);
  transition:border-color .2s ease, transform .2s ease;
}
.side-card:hover{border-color:rgba(120,200,255,.45);transform:translateY(-3px)}
.side-card h4{font-size:14px;font-weight:700;color:#fff;line-height:1.6;margin-bottom:8px}
.side-card p{font-size:12.8px;line-height:1.7;color:var(--text-dim)}
.side-card .news-meta{margin-top:10px}
.empty-note{
  padding:26px;
  border-radius:var(--radius);
  border:1px dashed rgba(120,160,255,.35);
  color:var(--text-mid);
  font-size:14px;
  text-align:center;
}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:22px;
  padding:10px 20px;
  border-radius:10px;
  font-size:13.5px;
  font-weight:700;
  color:#9fd4ff;
  background:rgba(79,157,255,.1);
  border:1px solid rgba(79,157,255,.34);
  transition:background .2s ease, transform .2s ease, border-color .2s ease;
}
.more-link:hover{background:rgba(79,157,255,.2);border-color:var(--brand-2);transform:translateY(-2px)}

/* ============ 精选横滑 ============ */
.pick-card{
  display:flex;
  gap:16px;
  padding:18px;
  border-radius:var(--radius);
  background:linear-gradient(150deg, rgba(18,30,58,.86), rgba(10,18,36,.74));
  border:1px solid var(--line);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  height:100%;
}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.45);box-shadow:var(--shadow-hover)}
.pick-card img{
  flex:0 0 auto;
  width:96px;
  height:96px;
  object-fit:cover;
  border-radius:12px;
  border:1px solid rgba(120,200,255,.18);
}
.pick-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.pick-body h3{font-size:14.5px;font-weight:700;color:#fff;line-height:1.55}
.pick-body p{font-size:12.8px;line-height:1.7;color:var(--text-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 异议拆解 ============ */
.qa-row{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:0;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(120deg, rgba(18,30,58,.86), rgba(10,18,36,.74));
  overflow:hidden;
  transition:border-color .2s ease, transform .2s ease;
}
.qa-row:hover{border-color:rgba(120,200,255,.45);transform:translateY(-2px)}
.qa-q{
  padding:20px 22px;
  font-size:14.5px;
  font-weight:700;
  color:#fff;
  background:rgba(56,224,255,.07);
  border-right:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:10px;
}
.qa-q::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  box-shadow:0 0 10px rgba(56,224,255,.8);
}
.qa-a{
  padding:20px 22px;
  font-size:13.8px;
  line-height:1.78;
  color:var(--text-mid);
}

/* ============ 收口 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:52px 34px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(30,86,180,.72), rgba(9,18,40,.94));
  border:1px solid rgba(120,200,255,.34);
  box-shadow:0 26px 60px rgba(10,50,140,.46);
  text-align:center;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-140px;
  top:-180px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(56,224,255,.26), transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  position:relative;
  font-size:clamp(22px,2.8vw,30px);
  font-weight:800;
  color:#fff;
}
.cta-band p{
  position:relative;
  max-width:660px;
  margin:14px auto 0;
  font-size:14.5px;
  line-height:1.85;
  color:#b9cdea;
}
.cta-actions{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  margin-top:26px;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  padding:54px 0 28px;
  border-top:1px solid rgba(110,160,255,.14);
  background:linear-gradient(180deg, rgba(8,14,30,0), rgba(8,14,30,.92));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr 1fr 1fr;
  gap:34px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{
  font-size:13.4px;
  line-height:1.8;
  color:var(--text-dim);
  max-width:360px;
}
.footer-title{
  font-size:14px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-links a{
  font-size:13.5px;
  color:var(--text-dim);
  transition:color .2s ease;
}
.footer-links a:hover{color:#7fe3ff}
.footer-links a:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(110,160,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:12.8px;
  color:var(--text-dim);
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .countdown-band{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .qa-row{grid-template-columns:1fr}
  .qa-q{border-right:none;border-bottom:1px solid var(--line)}
}
@media (max-width:820px){
  .nav-toggle{display:inline-flex}
  .nav-chips{
    position:absolute;
    left:16px;
    right:16px;
    top:calc(100% + 10px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin-left:0;
    padding:12px;
    border-radius:16px;
    background:rgba(9,16,34,.98);
    border:1px solid var(--line-strong);
    box-shadow:0 26px 52px rgba(2,8,22,.72);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s ease, transform .22s ease, visibility .22s ease;
  }
  .nav-chips.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{padding:11px 16px;border-radius:10px;min-height:44px}
  .header-actions .btn-sm{display:none}
  .brand-name{font-size:15px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero{padding:40px 0 54px}
  .profile-card{padding:22px}
  .profile-head .btn-glow{margin-left:0;width:100%;margin-top:6px}
  .news-item{flex-direction:column}
  .news-item img{width:100%;height:170px}
  .pick-card{flex-direction:column}
  .pick-card img{width:100%;height:150px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:38px 22px}
  .countdown-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  body{font-size:14.5px}
  .container{padding:0 16px}
  .profile-card{padding:18px}
  .avatar{width:54px;height:54px;border-radius:15px}
  .hero-title{font-size:26px}
  .badge-row{gap:8px}
  .stat-badge{padding:7px 12px;font-size:12.5px}
  .stat-badge strong{font-size:16px}
  .hero-cta .btn{flex:1 1 100%}
  .guarantee-grid{grid-template-columns:1fr}
  .ladder-step{flex-direction:row;padding:16px}
  .qa-q,.qa-a{padding:16px 18px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-bottom{font-size:12px}
}

/* roulang page: category1 */
:root{
  --bg:#060b18;
  --bg-soft:#0a1224;
  --panel:rgba(16,26,48,.78);
  --line:rgba(110,160,255,.16);
  --line-strong:rgba(110,190,255,.4);
  --text:#e8f0ff;
  --text-mid:#a9bcd9;
  --text-dim:#7d91b3;
  --brand:#4f9dff;
  --brand-2:#38e0ff;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 42px rgba(2,8,22,.58);
  --shadow-hover:0 24px 50px rgba(10,46,120,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.78;
  background:
    radial-gradient(1200px 620px at 12% -10%, rgba(38,96,190,.34), transparent 62%),
    radial-gradient(900px 520px at 92% 2%, rgba(24,180,220,.18), transparent 58%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0}
section[id]{scroll-margin-top:88px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,11,24,.72);
  border-bottom:1px solid rgba(110,160,255,.12);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck{background:rgba(6,11,24,.93);box-shadow:0 12px 32px rgba(2,8,22,.65)}
.header-inner{position:relative;min-height:64px;display:flex;align-items:center;gap:16px}
.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;
  font-size:17px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  box-shadow:0 0 20px rgba(56,224,255,.45);
}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:4px;margin-left:auto;padding:5px;
  border-radius:999px;border:1px solid var(--line);background:rgba(13,23,44,.68);
}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:34px;padding:6px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-mid);white-space:nowrap;
  transition:color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(79,157,255,.16)}
.nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-link.is-active{
  color:#04101f;font-weight:700;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 6px 18px rgba(56,224,255,.34);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:rgba(79,157,255,.12);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:#cfe6ff;transition:transform .22s ease, opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:14px;font-weight:700;letter-spacing:.4px;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn-primary{color:#04101f;background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 10px 26px rgba(40,140,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,255,.46)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line-strong)}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(79,157,255,.18);border-color:var(--brand-2)}
.btn-glow{
  color:#04101f;background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  box-shadow:0 0 0 1px rgba(120,230,255,.6), 0 0 26px rgba(56,224,255,.5);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(170,242,255,.9), 0 0 38px rgba(56,224,255,.72)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:9px}

/* ============ 通用板块 ============ */
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg, rgba(10,18,36,0), rgba(13,24,48,.72) 22%, rgba(13,24,48,.72) 78%, rgba(10,18,36,0))}
.section-head{max-width:780px;margin-bottom:34px}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:#7fdcff}
.section-kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.section-title{margin-top:12px;font-size:clamp(22px,2.7vw,30px);font-weight:800;color:#fff;line-height:1.4}
.section-sub{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-mid)}
.card{
  position:relative;height:100%;padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(19,32,60,.86), rgba(10,18,36,.78));
  border:1px solid var(--line);box-shadow:0 12px 30px rgba(2,8,22,.45);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.card h3{margin:14px 0 8px;font-size:16px;font-weight:700;color:#fff;line-height:1.5}
.card p{font-size:13.8px;line-height:1.78;color:var(--text-mid)}
.card-sm{padding:18px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:12.5px;color:#9fd4ff;background:rgba(79,157,255,.1);border:1px solid rgba(79,157,255,.3);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.icon-box{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg, rgba(56,224,255,.18), rgba(79,157,255,.1));
  border:1px solid rgba(110,190,255,.3);color:#9fe6ff;
}
.icon-box svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ============ 分类页 Hero ============ */
.hero{position:relative;padding:60px 0 68px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.26;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,11,24,.58), rgba(6,11,24,.94));
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;
  font-size:12.5px;letter-spacing:1.5px;color:#9fe6ff;
  background:rgba(56,224,255,.08);border:1px solid rgba(56,224,255,.3);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px var(--brand-2);display:block}
.hero h1{
  margin-top:18px;font-size:clamp(26px,3.5vw,42px);line-height:1.32;font-weight:800;color:#fff;letter-spacing:.5px;
}
.hero h1 em{font-style:normal;color:#7ce9ff}
.hero-sub{margin-top:16px;font-size:15px;line-height:1.9;color:var(--text-mid);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.metric{
  padding:14px 16px;border-radius:12px;border:1px solid var(--line);
  background:rgba(13,24,48,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.metric strong{display:block;font-size:22px;font-weight:800;color:#8fe4ff;line-height:1.3}
.metric span{font-size:12.5px;color:var(--text-dim)}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);background:rgba(10,18,36,.7);
}
.hero-visual img{width:100%;aspect-ratio:4/3.2;object-fit:cover}
.hero-badge{
  position:absolute;left:14px;right:14px;bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 14px;border-radius:12px;font-size:12.5px;color:#cfe6ff;
  background:rgba(6,11,24,.84);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-badge b{color:#7ce9ff;font-weight:700}

/* ============ 房间矩阵 ============ */
.room-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.room-card{display:flex;flex-direction:column}
.room-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;margin-bottom:4px;border:1px solid var(--line)}
.room-level{
  position:absolute;top:16px;right:16px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#7ce9ff,#4f9dff);box-shadow:0 6px 16px rgba(56,224,255,.35);
}
.room-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed rgba(110,160,255,.22)}
.room-facts div{font-size:12.5px;color:var(--text-dim)}
.room-facts b{display:block;font-size:14.5px;color:#bfe3ff;font-weight:700}

/* ============ 机制拆解 ============ */
.mech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mech-item{display:flex;gap:16px;align-items:flex-start}
.mech-item h3{margin:0 0 6px;font-size:15.5px;color:#fff;font-weight:700}
.mech-item p{font-size:13.8px;color:var(--text-mid);line-height:1.8}

/* ============ 数据对照 ============ */
.spec-wrap{
  border-radius:var(--radius-lg);border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(160deg, rgba(17,30,55,.9), rgba(8,15,30,.92));box-shadow:var(--shadow);
}
.spec-scroll{overflow-x:auto}
.spec-table{min-width:640px;width:100%}
.spec-row{
  display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;gap:12px;align-items:center;
  padding:15px 22px;border-top:1px solid rgba(110,160,255,.1);font-size:13.8px;color:var(--text-mid);
}
.spec-row:first-child{border-top:none}
.spec-head{
  background:rgba(56,224,255,.07);font-size:12.5px;letter-spacing:1.5px;color:#8fe4ff;font-weight:700;
}
.spec-row span:first-child{color:#dceaff;font-weight:600}
.spec-row b{color:#7ce9ff;font-weight:700}
.spec-note{padding:14px 22px;font-size:12.5px;color:var(--text-dim);border-top:1px solid rgba(110,160,255,.1)}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{display:flex;flex-direction:column;gap:12px}
.scene-card ul{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.scene-card li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text-mid);line-height:1.7}
.scene-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:linear-gradient(135deg,var(--brand-2),var(--brand))}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;padding:24px 20px 20px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(13,24,48,.62);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-size:13.5px;font-weight:800;color:#04101f;
  background:linear-gradient(135deg,#7ce9ff,#4f9dff);box-shadow:0 0 18px rgba(56,224,255,.4);
}
.step h3{margin:14px 0 8px;font-size:15.5px;color:#fff;font-weight:700}
.step p{font-size:13.6px;color:var(--text-mid);line-height:1.78}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;height:100%;padding:20px;border-radius:var(--radius);
  border:1px solid var(--line);background:linear-gradient(165deg, rgba(19,32,60,.86), rgba(10,18,36,.78));
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.post-card h3{font-size:15.5px;font-weight:700;color:#fff;line-height:1.55}
.post-card p{font-size:13.4px;color:var(--text-mid);line-height:1.75}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;font-size:12.5px;color:var(--text-dim);border-top:1px dashed rgba(110,160,255,.2)}
.post-meta span{color:#8fe4ff}
.post-empty{padding:26px;text-align:center;font-size:13.5px;color:var(--text-dim);border:1px dashed var(--line-strong);border-radius:var(--radius)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(13,24,48,.6);transition:border-color .2s ease, background .2s ease}
.faq-item:hover{border-color:rgba(120,200,255,.45);background:rgba(16,30,58,.75)}
.faq-item h3{font-size:15px;font-weight:700;color:#fff;line-height:1.6;margin-bottom:10px}
.faq-item p{font-size:13.6px;color:var(--text-mid);line-height:1.82}

/* ============ 收口 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:44px 40px;border:1px solid var(--line-strong);
  background:linear-gradient(130deg, rgba(24,58,116,.92), rgba(9,18,36,.95));
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle, rgba(56,224,255,.32), transparent 68%);
}
.cta-band h2{position:relative;font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.45}
.cta-band p{position:relative;margin-top:10px;font-size:14px;color:var(--text-mid);max-width:620px;line-height:1.85}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid rgba(110,160,255,.14);background:rgba(5,9,20,.86);padding:52px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-desc{margin-top:14px;font-size:13.4px;line-height:1.85;color:var(--text-dim);max-width:400px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13.4px;color:var(--text-mid);transition:color .2s ease, padding-left .2s ease}
.footer-links a:hover{color:#7ce9ff;padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(110,160,255,.12);
  font-size:12.5px;color:var(--text-dim);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:560px}
  .room-grid,.scene-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav-chips{
    position:absolute;top:calc(100% + 10px);left:12px;right:12px;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;padding:10px;border-radius:16px;
    background:rgba(8,15,30,.98);border:1px solid var(--line-strong);box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-10px);transition:.22s ease;
  }
  .nav-chips.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{justify-content:flex-start;padding:10px 14px;min-height:42px}
  .header-actions{margin-left:auto}
  .hero{padding:44px 0 52px}
  .section{padding:52px 0}
  .mech-grid,.faq-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hero-metrics{grid-template-columns:1fr}
  .room-grid,.scene-grid,.post-grid,.step-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .header-actions .btn{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:24px}
  .spec-row{padding:13px 16px;font-size:13px}
  .brand-name{font-size:14.5px}
}

/* roulang page: article */
:root{
  --bg:#060b18;
  --bg-soft:#0a1224;
  --panel:rgba(16,26,48,.78);
  --line:rgba(110,160,255,.16);
  --line-strong:rgba(110,190,255,.4);
  --text:#e8f0ff;
  --text-mid:#a9bcd9;
  --text-dim:#7d91b3;
  --brand:#4f9dff;
  --brand-2:#38e0ff;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 42px rgba(2,8,22,.58);
  --shadow-hover:0 24px 50px rgba(10,46,120,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.75;
  background:
    radial-gradient(1200px 620px at 12% -10%, rgba(38,96,190,.34), transparent 62%),
    radial-gradient(900px 520px at 92% 2%, rgba(24,180,220,.18), transparent 58%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit}
section[id],div[id],article[id]{scroll-margin-top:88px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,11,24,.72);
  border-bottom:1px solid rgba(110,160,255,.12);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck{background:rgba(6,11,24,.93);box-shadow:0 12px 32px rgba(2,8,22,.65)}
.header-inner{position:relative;min-height:64px;display:flex;align-items:center;gap:16px}
.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;
  font-size:17px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  box-shadow:0 0 20px rgba(56,224,255,.45);
}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:4px;margin-left:auto;padding:5px;
  border-radius:999px;border:1px solid var(--line);background:rgba(13,23,44,.68);
}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:34px;padding:6px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-mid);white-space:nowrap;
  transition:color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(79,157,255,.16)}
.nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-link.is-active{
  color:#04101f;font-weight:700;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 6px 18px rgba(56,224,255,.34);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:rgba(79,157,255,.12);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:#cfe6ff;transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:14px;font-weight:700;letter-spacing:.4px;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn-primary{color:#04101f;background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 10px 26px rgba(40,140,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,255,.46)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line-strong)}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(79,157,255,.18);border-color:var(--brand-2)}
.btn-glow{color:#04101f;background:linear-gradient(135deg,#7ce9ff,#4f9dff);box-shadow:0 0 0 1px rgba(120,230,255,.6),0 0 26px rgba(56,224,255,.5)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(170,242,255,.9),0 0 38px rgba(56,224,255,.72)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:9px}

/* ===== 通用板块 ===== */
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg, rgba(10,18,36,0), rgba(13,24,48,.72) 22%, rgba(13,24,48,.72) 78%, rgba(10,18,36,0))}
.section-head{max-width:780px;margin-bottom:34px}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:#7fdcff}
.section-kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.section-title{margin-top:12px;font-size:clamp(22px,2.7vw,30px);font-weight:800;color:#fff;line-height:1.35}
.section-sub{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-mid)}
.card{
  position:relative;height:100%;padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(19,32,60,.86), rgba(10,18,36,.78));
  border:1px solid var(--line);box-shadow:0 12px 30px rgba(2,8,22,.45);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.card h3{margin:14px 0 8px;font-size:16px;font-weight:700;color:#fff}
.card p{margin:0;font-size:13.8px;line-height:1.78;color:var(--text-mid)}
.card-sm{padding:18px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:12.5px;color:#9fd4ff;background:rgba(79,157,255,.1);border:1px solid rgba(79,157,255,.3);
}
.card-thumb{border-radius:10px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:#0b1526}
.card-thumb img{width:100%;height:100%;object-fit:cover}

/* ===== 文章头部 ===== */
.article-hero{
  position:relative;padding:34px 0 58px;border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(6,11,24,.84), rgba(6,11,24,.97)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--text-dim);margin-bottom:24px}
.crumb a{color:#9fd4ff}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:center}
.article-title{
  margin:14px 0 16px;font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:800;color:#fff;
  letter-spacing:.3px;
}
.article-lead{margin:0 0 20px;font-size:15px;line-height:1.9;color:var(--text-mid);max-width:640px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13px;color:var(--text-dim);margin-bottom:18px}
.article-meta strong{color:#cfe6ff;font-weight:600}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-cover{margin:0}
.hero-cover img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  filter:saturate(1.05);
}

/* ===== 数据摘要条 ===== */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-30px;position:relative;z-index:2}
.stat-item{
  padding:18px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg, rgba(20,34,64,.94), rgba(9,17,34,.92));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease;
}
.stat-item:hover{transform:translateY(-3px);border-color:rgba(120,200,255,.45)}
.stat-label{font-size:12.5px;letter-spacing:1.4px;color:#7fdcff;font-weight:700}
.stat-value{margin-top:8px;font-size:20px;font-weight:800;color:#fff}
.stat-note{margin-top:6px;font-size:13px;line-height:1.7;color:var(--text-mid)}

/* ===== 正文区 ===== */
.article-shell{max-width:880px;margin:0 auto}
.article-body{color:#c6d6ee;font-size:15.5px;line-height:1.9}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  margin:38px 0 16px;padding-left:14px;font-size:clamp(19px,2.2vw,23px);font-weight:800;color:#fff;line-height:1.5;
  border-left:4px solid var(--brand-2);border-radius:2px;
}
.article-body h3{margin:28px 0 12px;font-size:17.5px;font-weight:700;color:#eaf3ff}
.article-body p{margin:0 0 18px;font-size:15.5px;line-height:1.9;color:#c6d6ee}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;color:#c6d6ee}
.article-body li{margin:8px 0;line-height:1.85}
.article-body li::marker{color:var(--brand-2)}
.article-body strong{color:#fff;font-weight:700}
.article-body a{color:#7fdcff;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#fff}
.article-body img{border-radius:var(--radius);margin:24px 0;border:1px solid var(--line);box-shadow:var(--shadow)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--brand-2);
  background:rgba(79,157,255,.08);border-radius:0 var(--radius) var(--radius) 0;color:#d7e6fb;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(79,157,255,.14);color:#fff;font-weight:700}
.article-body td{color:var(--text-mid)}
.article-empty{
  padding:40px 28px;text-align:center;border-radius:var(--radius-lg);
  border:1px dashed var(--line-strong);background:rgba(13,24,48,.6);
}
.article-empty h2{margin:0 0 12px;font-size:22px;color:#fff}
.article-empty p{margin:0 0 22px;color:var(--text-mid)}
.article-foot{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-dim);
}

/* ===== 要点卡 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.point-num{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;
  font-size:13px;font-weight:800;color:#04101f;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 0 16px rgba(56,224,255,.35);
}

/* ===== 节奏步骤 ===== */
.step-list{display:grid;gap:14px}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;
  padding:20px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg, rgba(18,30,56,.86), rgba(9,17,34,.8));
  border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease;
}
.step-item:hover{border-color:rgba(120,200,255,.45);transform:translateX(3px)}
.step-index{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#9fe4ff;letter-spacing:.5px;
  background:rgba(56,224,255,.1);border:1px solid rgba(56,224,255,.35);
}
.step-item h3{margin:0 0 6px;font-size:16px;color:#fff}
.step-item p{margin:0;font-size:13.8px;line-height:1.78;color:var(--text-mid)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg, rgba(18,30,56,.82), rgba(9,17,34,.78));
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(120,200,255,.42);box-shadow:0 12px 28px rgba(2,8,22,.5)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-size:15px;font-weight:700;color:#eaf3ff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:19px;font-weight:700;color:var(--brand-2);transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"－";transform:rotate(180deg)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:-3px}
.faq-body{padding:0 20px 18px;font-size:14px;line-height:1.85;color:var(--text-mid)}

/* ===== 收口 CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:40px 34px;border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg, rgba(10,24,50,.94), rgba(8,16,32,.9)),
    url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.cta-band h2{margin:0 0 10px;font-size:clamp(20px,2.4vw,26px);color:#fff;font-weight:800}
.cta-band p{margin:0;max-width:620px;font-size:14px;line-height:1.85;color:var(--text-mid)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:20px;padding:52px 0 0;
  background:linear-gradient(180deg, rgba(8,15,30,.4), rgba(5,10,20,.95));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{margin:0;max-width:400px;font-size:13.5px;line-height:1.85;color:var(--text-dim)}
.footer-title{margin:0 0 14px;font-size:14px;font-weight:700;color:#dbe9ff;letter-spacing:1px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:var(--text-dim);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:#9fd4ff;padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  padding:18px 0 24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-dim);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-cover img{aspect-ratio:16/9}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stat-strip{margin-top:0;grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-chips{
    position:absolute;top:calc(100% + 10px);left:12px;right:12px;
    flex-direction:column;align-items:stretch;gap:6px;margin-left:0;
    padding:12px;border-radius:16px;background:rgba(8,15,30,.98);
    border:1px solid var(--line-strong);box-shadow:var(--shadow);display:none;
  }
  .nav-chips.is-open{display:flex}
  .nav-link{justify-content:flex-start;min-height:44px;padding:10px 16px;border-radius:10px;font-size:14.5px}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .article-hero{padding:24px 0 44px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .step-item{grid-template-columns:44px 1fr;padding:16px}
  .step-index{width:40px;height:40px;border-radius:10px;font-size:13px}
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand-name{font-size:14.5px}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px}
  .btn{min-height:42px;padding:0 16px;font-size:13.5px}
  .article-title{font-size:24px}
  .article-lead{font-size:14px}
  .container{padding:0 16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
 --bg:#060b18;
 --bg-soft:#0a1224;
 --panel:rgba(16,26,48,.78);
 --line:rgba(110,160,255,.16);
 --line-strong:rgba(110,190,255,.4);
 --text:#e8f0ff;
 --text-mid:#a9bcd9;
 --text-dim:#7d91b3;
 --brand:#4f9dff;
 --brand-2:#38e0ff;
 --radius:14px;
 --radius-lg:22px;
 --shadow:0 18px 42px rgba(2,8,22,.58);
 --shadow-hover:0 24px 50px rgba(10,46,120,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;padding:0;
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.75;
 background:
  radial-gradient(1200px 620px at 12% -10%, rgba(38,96,190,.34), transparent 62%),
  radial-gradient(900px 520px at 92% 2%, rgba(24,180,220,.18), transparent 58%),
  var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,li,figure{margin:0;padding:0}
ul{list-style:none}
section[id],div[id]{scroll-margin-top:88px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:70;
 background:rgba(6,11,24,.72);
 border-bottom:1px solid rgba(110,160,255,.12);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck{background:rgba(6,11,24,.93);box-shadow:0 12px 32px rgba(2,8,22,.65)}
.header-inner{position:relative;min-height:64px;display:flex;align-items:center;gap:16px}
.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;
 font-size:17px;font-weight:800;color:#04101f;
 background:linear-gradient(140deg,var(--brand-2),var(--brand));
 box-shadow:0 0 20px rgba(56,224,255,.45);
}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.nav-chips{
 display:flex;align-items:center;gap:4px;margin-left:auto;padding:5px;
 border-radius:999px;border:1px solid var(--line);background:rgba(13,23,44,.68);
}
.nav-link{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:34px;padding:6px 16px;border-radius:999px;
 font-size:14px;font-weight:500;color:var(--text-mid);white-space:nowrap;
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(79,157,255,.16)}
.nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-link.is-active{
 color:#04101f;font-weight:700;
 background:linear-gradient(135deg,var(--brand-2),var(--brand));
 box-shadow:0 6px 18px rgba(56,224,255,.34);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
 display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
 width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 background:rgba(79,157,255,.12);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:#cfe6ff;transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 22px;border-radius:10px;border:1px solid transparent;
 font-size:14px;font-weight:700;letter-spacing:.4px;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn-primary{color:#04101f;background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 10px 26px rgba(40,140,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,255,.46)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line-strong)}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(79,157,255,.18);border-color:var(--brand-2)}
.btn-glow{
 color:#04101f;background:linear-gradient(135deg,#7ce9ff,#4f9dff);
 box-shadow:0 0 0 1px rgba(120,230,255,.6),0 0 26px rgba(56,224,255,.5);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(170,242,255,.9),0 0 38px rgba(56,224,255,.72)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:9px}

/* ============ 板块通用 ============ */
.section{padding:66px 0;position:relative}
.section-alt{
 background:linear-gradient(180deg, rgba(10,18,36,0), rgba(13,24,48,.72) 22%, rgba(13,24,48,.72) 78%, rgba(10,18,36,0));
}
.section-head{max-width:800px;margin-bottom:34px}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:#7fdcff}
.section-kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.section-title{margin-top:12px;font-size:clamp(22px,2.7vw,30px);font-weight:800;color:#fff;line-height:1.4}
.section-sub{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-mid)}
.card{
 position:relative;height:100%;padding:22px;border-radius:var(--radius);
 background:linear-gradient(165deg, rgba(19,32,60,.86), rgba(10,18,36,.78));
 border:1px solid var(--line);box-shadow:0 12px 30px rgba(2,8,22,.45);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.card h3{margin:14px 0 8px;font-size:16px;font-weight:700;color:#fff}
.card p{font-size:13.8px;line-height:1.78;color:var(--text-mid)}
.tag{
 display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
 font-size:12.5px;color:#9fd4ff;background:rgba(79,157,255,.1);
 border:1px solid rgba(79,157,255,.3);
}

/* ============ Hero ============ */
.hero{
 position:relative;overflow:hidden;
 border-bottom:1px solid rgba(110,160,255,.12);
 background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:
  linear-gradient(90deg, rgba(6,11,24,.96) 0%, rgba(6,11,24,.86) 48%, rgba(6,11,24,.62) 100%),
  radial-gradient(700px 420px at 88% 18%, rgba(56,224,255,.20), transparent 62%);
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
 gap:46px;align-items:center;padding:70px 0 62px;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:1px;
 color:#8fe8ff;background:rgba(56,224,255,.1);border:1px solid rgba(56,224,255,.34);
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px var(--brand-2)}
.hero h1{
 margin:20px 0 0;font-size:clamp(28px,4vw,44px);line-height:1.26;font-weight:800;color:#fff;letter-spacing:.5px;
}
.hero h1 .hl{
 background:linear-gradient(120deg,#8fe8ff,#4f9dff 70%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:15.5px;line-height:1.85;color:var(--text-mid);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-panel{
 position:relative;padding:24px;border-radius:var(--radius-lg);
 background:linear-gradient(160deg, rgba(22,40,74,.86), rgba(9,17,34,.9));
 border:1px solid rgba(120,200,255,.26);
 box-shadow:var(--shadow), inset 0 1px 0 rgba(160,220,255,.16);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-head strong{font-size:15px;color:#fff;letter-spacing:.6px}
.panel-head span{font-size:12px;color:var(--text-dim)}
.meter{margin-bottom:14px}
.meter-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-mid);margin-bottom:7px}
.meter-row b{color:#bfe3ff;font-weight:700}
.meter-bar{height:8px;border-radius:999px;background:rgba(110,160,255,.14);overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-2),var(--brand));box-shadow:0 0 12px rgba(56,224,255,.55)}
.panel-figure{margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid rgba(120,200,255,.2)}
.panel-figure img{width:100%;height:150px;object-fit:cover}
.panel-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--text-dim)}

/* ============ 配置方案 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.plan-card{
 display:flex;gap:18px;padding:24px;border-radius:var(--radius);
 background:linear-gradient(160deg, rgba(19,32,60,.86), rgba(10,18,36,.8));
 border:1px solid var(--line);box-shadow:0 12px 30px rgba(2,8,22,.45);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.plan-no{
 flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
 font-size:16px;font-weight:800;color:#04101f;
 background:linear-gradient(140deg,var(--brand-2),var(--brand));
 box-shadow:0 0 18px rgba(56,224,255,.4);
}
.plan-body h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.plan-body p{font-size:13.8px;line-height:1.8;color:var(--text-mid)}
.plan-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.plan-wide{grid-column:1 / -1}
.plan-wide .plan-body{max-width:820px}

/* ============ 连携步骤 ============ */
.step-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:8px}
.step{
 position:relative;padding:22px 20px 24px;border-radius:var(--radius);
 background:rgba(13,23,44,.72);border:1px solid var(--line);
 transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.48);background:rgba(18,32,60,.86)}
.step-num{font-size:12px;font-weight:800;letter-spacing:2px;color:#7fdcff}
.step h3{margin:10px 0 8px;font-size:15.5px;color:#fff;font-weight:700}
.step p{font-size:13.4px;line-height:1.78;color:var(--text-mid)}
.step::after{
 content:"";position:absolute;right:-11px;top:44px;width:8px;height:8px;
 border-top:1px solid rgba(120,200,255,.5);border-right:1px solid rgba(120,200,255,.5);
 transform:rotate(45deg);
}
.step:last-child::after{display:none}

/* ============ 场景适配 ============ */
.scene-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:38px;align-items:center}
.scene-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(120,200,255,.22);box-shadow:var(--shadow)}
.scene-figure img{width:100%;height:340px;object-fit:cover}
.scene-list{display:grid;gap:14px}
.scene-item{
 display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;
 padding:16px 18px;border-radius:12px;background:rgba(13,23,44,.66);
 border:1px solid var(--line);transition:border-color .2s ease,background .2s ease;
}
.scene-item:hover{border-color:rgba(120,200,255,.45);background:rgba(18,32,60,.82)}
.scene-dot{
 width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
 font-size:13px;font-weight:800;color:#8fe8ff;
 background:rgba(56,224,255,.12);border:1px solid rgba(56,224,255,.3);
}
.scene-item h3{font-size:15px;color:#fff;font-weight:700;margin-bottom:5px}
.scene-item p{font-size:13.4px;line-height:1.76;color:var(--text-mid)}

/* ============ 数据条 ============ */
.data-strip{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
 padding:28px;border-radius:var(--radius-lg);
 background:linear-gradient(140deg, rgba(24,44,82,.82), rgba(9,17,34,.86));
 border:1px solid rgba(120,200,255,.24);box-shadow:var(--shadow);
}
.data-cell{text-align:left;padding-left:16px;border-left:1px solid rgba(110,160,255,.2)}
.data-cell:first-child{border-left:none;padding-left:0}
.data-num{font-size:clamp(24px,3vw,32px);font-weight:800;color:#8fe8ff;line-height:1.2}
.data-num small{font-size:14px;font-weight:700;color:#bfe3ff;margin-left:3px}
.data-label{margin-top:8px;font-size:13px;color:var(--text-mid);line-height:1.7}

/* ============ 误区清单 ============ */
.pit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.pit{
 padding:18px 20px;border-radius:12px;background:rgba(13,23,44,.6);
 border:1px solid var(--line);border-left:3px solid rgba(56,224,255,.55);
 transition:background .2s ease,border-color .2s ease;
}
.pit:hover{background:rgba(18,32,60,.82);border-color:rgba(120,200,255,.42)}
.pit h3{font-size:14.8px;color:#fff;font-weight:700;margin-bottom:6px}
.pit p{font-size:13.4px;line-height:1.76;color:var(--text-mid)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:38px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{
 border-radius:12px;border:1px solid var(--line);background:rgba(13,23,44,.68);
 padding:16px 20px;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(120,200,255,.45);background:rgba(18,32,60,.84)}
.faq-item summary{
 cursor:pointer;list-style:none;font-size:15px;font-weight:700;color:#e8f0ff;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:18px;font-weight:400;color:#8fe8ff;line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin-top:12px;font-size:13.6px;line-height:1.82;color:var(--text-mid)}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
 display:flex;flex-direction:column;height:100%;overflow:hidden;
 border-radius:var(--radius);background:linear-gradient(165deg, rgba(19,32,60,.86), rgba(10,18,36,.8));
 border:1px solid var(--line);box-shadow:0 12px 28px rgba(2,8,22,.42);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.post-thumb{overflow:hidden}
.post-thumb img{width:100%;height:158px;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-dim)}
.post-body h3{font-size:15.5px;font-weight:700;color:#fff;line-height:1.55}
.post-body p{font-size:13.4px;line-height:1.76;color:var(--text-mid);flex:1}
.empty-note{
 padding:32px;border-radius:var(--radius);border:1px dashed rgba(120,200,255,.34);
 text-align:center;font-size:14px;color:var(--text-dim);background:rgba(13,23,44,.5);
}
.list-more{display:flex;justify-content:center;margin-top:30px}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:44px 40px;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
 background:linear-gradient(130deg, rgba(30,62,120,.9), rgba(9,18,38,.92));
 border:1px solid rgba(120,200,255,.3);box-shadow:var(--shadow);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle, rgba(56,224,255,.3), transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.6vw,27px);font-weight:800;color:#fff;line-height:1.42}
.cta-band p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-mid);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{
 border-top:1px solid rgba(110,160,255,.16);
 background:linear-gradient(180deg, rgba(8,14,28,.6), rgba(5,9,20,.96));
 padding:52px 0 26px;margin-top:10px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:13.6px;line-height:1.84;color:var(--text-dim);max-width:400px}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.6px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.6px;color:var(--text-mid);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#8fe8ff;transform:translateX(3px)}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(110,160,255,.14);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:12.8px;color:var(--text-dim);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;padding:56px 0 50px}
 .hero-panel{max-width:620px}
 .step-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
 .step::after{display:none}
 .scene-grid{grid-template-columns:1fr;gap:28px}
 .scene-figure img{height:280px}
 .data-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
 .data-cell:nth-child(3){border-left:none;padding-left:0}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .faq-layout{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .nav-chips{
  position:absolute;left:0;right:0;top:calc(100% + 8px);
  flex-direction:column;align-items:stretch;gap:6px;
  padding:10px;border-radius:16px;background:rgba(9,17,34,.98);
  border:1px solid rgba(110,160,255,.26);box-shadow:0 20px 40px rgba(2,8,22,.7);
  display:none;
 }
 .nav-chips.is-open{display:flex}
 .nav-link{justify-content:flex-start;padding:10px 14px;border-radius:10px;font-size:14.5px}
 .header-actions .btn{display:none}
}
@media (max-width:768px){
 .section{padding:52px 0}
 .plan-grid{grid-template-columns:1fr}
 .pit-grid{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr;padding:34px 24px}
 .footer-grid{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .data-strip{padding:22px}
}
@media (max-width:520px){
 .hero h1{font-size:26px}
 .hero-sub{font-size:14.5px}
 .hero-cta .btn{width:100%}
 .step-flow{grid-template-columns:1fr}
 .data-strip{grid-template-columns:1fr;gap:18px}
 .data-cell{border-left:none;padding-left:0;border-top:1px solid rgba(110,160,255,.16);padding-top:16px}
 .data-cell:first-child{border-top:none;padding-top:0}
 .brand-name{font-size:14.5px}
 .scene-figure img{height:220px}
 .card,.plan-card,.step{padding:18px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#060b18;
  --bg-soft:#0a1224;
  --panel:rgba(16,26,48,.78);
  --line:rgba(110,160,255,.16);
  --line-strong:rgba(110,190,255,.4);
  --text:#e8f0ff;
  --text-mid:#a9bcd9;
  --text-dim:#7d91b3;
  --brand:#4f9dff;
  --brand-2:#38e0ff;
  --gold:#ffd47a;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 42px rgba(2,8,22,.58);
  --shadow-hover:0 24px 50px rgba(10,46,120,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.75;
  background:
    radial-gradient(1200px 620px at 12% -10%, rgba(38,96,190,.34), transparent 62%),
    radial-gradient(900px 520px at 92% 2%, rgba(24,180,220,.18), transparent 58%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
section[id],div[id],article[id]{scroll-margin-top:88px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,11,24,.72);
  border-bottom:1px solid rgba(110,160,255,.12);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{background:rgba(6,11,24,.93);box-shadow:0 12px 32px rgba(2,8,22,.65)}
.header-inner{position:relative;min-height:64px;display:flex;align-items:center;gap:16px}
.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;
  font-size:17px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,var(--brand-2),var(--brand));
  box-shadow:0 0 20px rgba(56,224,255,.45);
}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:4px;margin-left:auto;padding:5px;
  border-radius:999px;border:1px solid var(--line);background:rgba(13,23,44,.68);
}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:34px;padding:6px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-mid);white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(79,157,255,.16)}
.nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-link.is-active{
  color:#04101f;font-weight:700;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 6px 18px rgba(56,224,255,.34);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:rgba(79,157,255,.12);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:#cfe6ff;transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:14px;font-weight:700;letter-spacing:.4px;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn-primary{color:#04101f;background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 10px 26px rgba(40,140,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,255,.46)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line-strong)}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(79,157,255,.18);border-color:var(--brand-2)}
.btn-glow{
  color:#04101f;background:linear-gradient(135deg,#7ce9ff,#4f9dff);
  box-shadow:0 0 0 1px rgba(120,230,255,.6),0 0 26px rgba(56,224,255,.5);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(170,242,255,.9),0 0 38px rgba(56,224,255,.72)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:9px}

/* ============ 通用板块 ============ */
.section{padding:66px 0;position:relative}
.section-alt{
  background:linear-gradient(180deg,rgba(10,18,36,0),rgba(13,24,48,.72) 22%,rgba(13,24,48,.72) 78%,rgba(10,18,36,0));
}
.section-head{max-width:800px;margin-bottom:34px}
.section-kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:#7fdcff;
}
.section-kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.section-title{margin-top:12px;font-size:clamp(22px,2.7vw,30px);font-weight:800;color:#fff;line-height:1.4}
.section-sub{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-mid)}
.card{
  position:relative;height:100%;padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(19,32,60,.86),rgba(10,18,36,.78));
  border:1px solid var(--line);box-shadow:0 12px 30px rgba(2,8,22,.45);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.card h3{margin:14px 0 8px;font-size:16px;font-weight:700;color:#fff}
.card p{font-size:13.8px;line-height:1.78;color:var(--text-mid)}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:12.5px;color:#9fd4ff;background:rgba(79,157,255,.1);border:1px solid rgba(79,157,255,.3);
}
.grid{display:grid;gap:18px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:62px 0 66px;
  border-bottom:1px solid rgba(110,160,255,.14);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(1.05);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(4,9,20,.96) 12%,rgba(6,13,30,.82) 52%,rgba(6,13,30,.6) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.cat-hero-title{
  margin-top:14px;
  font-size:clamp(27px,3.6vw,42px);
  line-height:1.32;font-weight:800;color:#fff;letter-spacing:.5px;
}
.cat-hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,#8ef1ff,#4f9dff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-sub{margin-top:16px;font-size:15px;line-height:1.85;color:var(--text-mid);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-panel{
  border-radius:var(--radius-lg);padding:22px;
  background:rgba(12,22,44,.72);
  border:1px solid rgba(120,200,255,.28);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px dashed rgba(110,160,255,.24)}
.hero-panel-head strong{font-size:14.5px;color:#fff;letter-spacing:.5px}
.hero-panel-head span{font-size:12px;color:#7fdcff}
.panel-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid rgba(110,160,255,.1)}
.panel-row:last-of-type{border-bottom:0}
.panel-dot{
  flex:0 0 auto;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 0 12px rgba(56,224,255,.75);
}
.panel-row strong{display:block;font-size:13.8px;color:#e9f2ff}
.panel-row small{display:block;font-size:12.2px;color:var(--text-dim);margin-top:2px}
.panel-time{margin-left:auto;font-size:12.5px;font-weight:700;color:#9fd4ff;white-space:nowrap}
.panel-thumb{margin-top:16px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.panel-thumb img{width:100%;height:130px;object-fit:cover}

/* ============ 福利矩阵 ============ */
.benefit-card{display:flex;flex-direction:column}
.benefit-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(79,157,255,.14);border:1px solid rgba(79,157,255,.34);
  color:#8fd8ff;font-weight:800;font-size:15px;letter-spacing:1px;
}
.benefit-card h3{margin-top:16px}
.benefit-list{margin-top:14px;display:grid;gap:8px}
.benefit-list li{
  position:relative;padding-left:16px;
  font-size:13.2px;line-height:1.7;color:var(--text-mid);
}
.benefit-list li::before{
  content:"";position:absolute;left:0;top:8px;
  width:6px;height:6px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:rgba(10,20,40,.9);
  box-shadow:var(--shadow);
}
.stat-item{padding:26px 20px;text-align:center;background:rgba(15,27,52,.72);transition:background .22s ease}
.stat-item:hover{background:rgba(24,42,78,.85)}
.stat-num{
  display:block;font-size:clamp(24px,3vw,32px);font-weight:800;
  color:#8ef1ff;letter-spacing:.5px;
}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--text-mid)}
.stat-note{display:block;margin-top:6px;font-size:12px;color:var(--text-dim)}

/* ============ 节奏流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step{
  position:relative;padding:22px 20px 20px;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(18,31,58,.9),rgba(9,17,34,.8));
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.48);box-shadow:var(--shadow-hover)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  font-size:14px;font-weight:800;color:#04101f;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 0 18px rgba(56,224,255,.42);
}
.step h3{margin-top:14px;font-size:15.5px;font-weight:700;color:#fff}
.step p{margin-top:8px;font-size:13.4px;line-height:1.75;color:var(--text-mid)}

/* ============ 档期卡片 ============ */
.event-card{
  overflow:hidden;padding:0;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,31,58,.9),rgba(9,17,34,.86));
  box-shadow:0 12px 30px rgba(2,8,22,.45);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;display:flex;flex-direction:column;
}
.event-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.event-media{position:relative;overflow:hidden}
.event-media img{width:100%;height:176px;object-fit:cover;transition:transform .35s ease}
.event-card:hover .event-media img{transform:scale(1.05)}
.event-badge{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;color:#04101f;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 6px 16px rgba(56,224,255,.35);
}
.event-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.event-body h3{font-size:16.5px;font-weight:700;color:#fff}
.event-body p{font-size:13.6px;line-height:1.78;color:var(--text-mid)}
.event-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}

/* ============ 玩家反馈 ============ */
.voice-card{position:relative;padding:24px 22px}
.voice-quote{
  font-size:34px;line-height:1;font-weight:800;
  color:rgba(120,200,255,.4);letter-spacing:-2px;
}
.voice-card p{margin-top:8px;font-size:13.8px;line-height:1.8;color:var(--text-mid)}
.voice-user{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed rgba(110,160,255,.2)}
.voice-avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#04101f;
  background:linear-gradient(135deg,#9ff0ff,#4f9dff);
}
.voice-user strong{display:block;font-size:13.5px;color:#e9f2ff}
.voice-user small{display:block;font-size:12px;color:var(--text-dim)}

/* ============ 最新发布 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,30,56,.86),rgba(9,17,34,.84));
  box-shadow:0 12px 28px rgba(2,8,22,.42);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.5);box-shadow:var(--shadow-hover)}
.news-card img{width:100%;height:150px;object-fit:cover}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-body h3{font-size:15.2px;line-height:1.55;font-weight:700;color:#fff}
.news-card:hover .news-body h3{color:#9fe4ff}
.news-body p{font-size:13.2px;line-height:1.75;color:var(--text-mid);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-size:12px;color:var(--text-dim)}
.news-meta span:first-child{color:#8fd8ff}
.news-empty{
  grid-column:1 / -1;padding:34px 22px;text-align:center;
  border-radius:var(--radius);border:1px dashed rgba(110,160,255,.3);
  background:rgba(13,24,44,.6);color:var(--text-mid);font-size:13.8px;
}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:12px;max-width:900px}
.faq-item{
  border-radius:12px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(17,30,56,.82),rgba(9,17,34,.8));
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(120,200,255,.45);box-shadow:0 12px 30px rgba(6,22,52,.5)}
.faq-item summary{
  position:relative;cursor:pointer;list-style:none;
  padding:17px 52px 17px 20px;
  font-size:14.6px;font-weight:700;color:#eaf3ff;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;
  width:10px;height:10px;margin-top:-6px;
  border-right:2px solid #8fd8ff;border-bottom:2px solid #8fd8ff;
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq-item summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:12px}
.faq-answer{padding:0 20px 18px;font-size:13.8px;line-height:1.85;color:var(--text-mid)}

/* ============ 收口 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:44px 38px;
  border:1px solid rgba(120,200,255,.32);
  background:
    radial-gradient(600px 240px at 88% 0%, rgba(56,224,255,.2), transparent 65%),
    linear-gradient(140deg,rgba(18,38,78,.95),rgba(8,16,32,.92));
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.4vw,27px);font-weight:800;color:#fff;line-height:1.45}
.cta-band p{margin-top:12px;max-width:720px;font-size:14.2px;line-height:1.85;color:var(--text-mid)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  border-top:1px solid rgba(110,160,255,.16);
  background:linear-gradient(180deg,rgba(8,15,30,0),rgba(8,15,30,.92) 30%,rgba(5,10,20,.98));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:13.4px;line-height:1.85;color:var(--text-dim);max-width:400px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-links{display:grid;gap:10px}
.footer-links a{
  font-size:13.4px;color:var(--text-mid);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:#8ef1ff;padding-left:4px}
.footer-links a:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(110,160,255,.14);
  font-size:12.6px;color:var(--text-dim);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:30px}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .nav-chips{
    position:absolute;left:0;right:0;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:12px;border-radius:16px;
    background:rgba(8,15,32,.98);
    border:1px solid var(--line);
    box-shadow:0 22px 46px rgba(2,8,22,.7);
    display:none;
  }
  .nav-chips.is-open{display:flex}
  .nav-link{justify-content:flex-start;padding:11px 16px;min-height:44px;border-radius:10px}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .brand-name{font-size:14.5px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .cat-hero{padding:44px 0 50px}
  .g-3{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .hero-panel{padding:18px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .g-2,.g-4,.stat-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .cat-hero-title{font-size:26px}
  .section-title{font-size:21px}
  .footer-bottom{flex-direction:column}
}