/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --bg-primary:#0B0B0F;
  --bg-secondary:#101016;
  --bg-surface:#16161D;
  --bg-panel:#1D1D26;
  --brand-red:#D62828;
  --brand-red-hover:#F04343;
  --accent-amber:#FFB700;
  --text-main:#F5F2EB;
  --text-weak:#A0A0AC;
  --text-subtle:#6F6F7E;
  --border-white:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.14);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-card:0 12px 40px rgba(0,0,0,0.22);
  --shadow-hover:0 20px 55px rgba(0,0,0,0.32);
  --space-section:clamp(64px, 9vw, 110px);
  --transition:all 0.3s ease;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-mono:"JetBrains Mono","SF Mono",Consolas,monospace;
}
/* ===== Reset / Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-primary);
  color:var(--text-main);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}
ul,ol{list-style:none}
.container{width:min(1240px, 92%);margin:0 auto}
::selection{background:rgba(214,40,40,0.35);color:#fff}
:focus-visible{outline:3px solid var(--brand-red);outline-offset:3px;border-radius:4px}

/* ===== 导航双层滚动收缩 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(10,10,15,0.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.05);
  transition:var(--transition);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 4%;
  transition:var(--transition);
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:24px;letter-spacing:0.5px;
}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--brand-red);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;
  box-shadow:0 0 0 1px rgba(255,255,255,0.1),0 6px 18px rgba(214,40,40,0.36);
}
.header-top-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.05);border:1px solid transparent;
  transition:var(--transition);
}
.icon-btn:hover{background:rgba(255,255,255,0.1);border-color:var(--border-white);color:var(--brand-red-hover)}
.btn-auth{
  padding:7px 18px;border-radius:999px;
  border:1px solid var(--border-strong);
  font-size:14px;font-weight:500;
  background:rgba(255,255,255,0.02);
  transition:var(--transition);
}
.btn-auth:hover{border-color:var(--brand-red);color:var(--brand-red-hover)}
.header-bottom{
  height:52px;border-top:1px solid rgba(255,255,255,0.04);
  display:flex;align-items:center;padding:0 4%;
  transition:var(--transition);
}
.main-nav{
  display:flex;align-items:center;gap:8px;height:100%;
  overflow-x:auto;scrollbar-width:none;
}
.main-nav::-webkit-scrollbar{display:none}
.header-bottom { gap: 24px;}
.nav-link{
  padding:0 16px;font-size:15px;font-weight:500;
  color:var(--text-main);white-space:nowrap;
  display:flex;align-items:center;gap:6px;
  height:100%;position:relative;opacity:0.75;
  transition:var(--transition);
}
.nav-link i{font-size:13px;opacity:0.65}
.nav-link:hover{opacity:1;color:var(--brand-red-hover)}
.nav-link.active{
  opacity:1;font-weight:600;
}
.nav-link.active::after{
  content:"";position:absolute;bottom:0;left:12px;right:12px;height:3px;
  background:var(--brand-red);border-radius:3px 3px 0 0;
}
.header-search{display:flex;align-items:center;gap:8px;margin-left:auto;background:rgba(255,255,255,0.06);border-radius:999px;padding:0 14px;height:36px;border:1px solid rgba(255,255,255,0.05);min-width:220px;transition:var(--transition)}
.header-search input{background:transparent;border:none;outline:none;color:var(--text-main);font-size:14px;width:100%}
.header-search i{color:var(--text-weak);font-size:14px}
/* 滚动收缩 */
.site-header.is-shrink .header-top{height:0;overflow:hidden;opacity:0;padding:0}
.site-header.is-shrink .header-bottom{height:60px;border-top:none}
.site-header.is-shrink .brand{font-size:20px}
/* 移动端 */
.mobile-toggle{display:none}
.mobile-drawer{
  display:none;position:fixed;top:0;right:-100%;width:100%;height:100vh;
  background:rgba(8,8,12,0.98);z-index:2000;flex-direction:column;
  padding:24px 28px;transition:right 0.4s cubic-bezier(0.77,0,0.175,1);
}
.mobile-drawer.open{right:0;display:flex}
.drawer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}
.drawer-close{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,0.08)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-link{padding:14px 8px;font-size:18px;font-weight:500;border-bottom:1px solid rgba(255,255,255,0.06)}
.drawer-link.active{color:var(--brand-red-hover);padding-left:16px;border-left:3px solid var(--brand-red)}
body.no-scroll{overflow:hidden}

/* ===== 汉堡按钮 ===== */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,0.05);align-items:center}
.hamburger span{width:20px;height:2px;background:var(--text-main);border-radius:2px}

/* ===== 秒杀闪购横幅 ===== */
.flash-bar{
  margin-top:116px;background:var(--brand-red);
  padding:14px 0;position:relative;overflow:hidden;
}
.flash-bar::before{
  content:"";position:absolute;inset:0;opacity:0.12;
  background-image:radial-gradient(circle at 20% 100%, rgba(255,255,255,0.6) 1px, transparent 1px);
  background-size:20px 20px;
}
.flash-inner{display:flex;align-items:center;justify-content:center;gap:20px;position:relative;z-index:2;flex-wrap:wrap}
.flash-label{font-weight:800;font-size:15px;letter-spacing:1px;display:flex;align-items:center;gap:8px}
.flash-label i{animation:flashPulse 1.5s infinite}
@keyframes flashPulse{0%,100%{opacity:1}50%{opacity:0.4}}
.countdown{display:flex;gap:6px;align-items:center;font-family:var(--font-mono)}
.countdown .cd-item{
  background:rgba(0,0,0,0.6);border-radius:6px;padding:3px 10px;
  font-weight:700;font-size:16px;min-width:38px;text-align:center;
}
.flash-bar .btn-sm{
  background:#1C1C1C;color:#fff;padding:7px 22px;border-radius:999px;font-weight:600;font-size:14px;
  transition:var(--transition);border:1px solid rgba(255,255,255,0.15);
}
.flash-bar .btn-sm:hover{transform:translateY(-2px);background:#000;box-shadow:0 6px 16px rgba(0,0,0,0.3)}

/* ===== HERO 沉浸大图布局 ===== */
.hero{
  position:relative;padding:clamp(70px, 8vw, 130px) 0 clamp(50px, 6vw, 90px);
  background-color:#0C0C12;
}
.hero-bg{
  position:absolute;inset:0;overflow:hidden;
}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.18}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, #08080C 0%, rgba(8,8,12,0.55) 50%, rgba(8,8,12,0.4) 100%);
}
.hero-grid{
  position:relative;z-index:3;display:grid;grid-template-columns:1.2fr 0.8fr;gap:60px;align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(214,40,40,0.14);border:1px solid rgba(214,40,40,0.3);
  color:var(--brand-red-hover);padding:5px 16px;border-radius:999px;
  font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero-kicker i{font-size:12px}
.hero h1{
  font-size:clamp(38px, 6vw, 64px);
  font-weight:900;line-height:1.22;margin-bottom:22px;letter-spacing:0.5px;
}
.hero h1 em{
  font-style:normal;color:var(--brand-red);
  position:relative;white-space:nowrap;
}
.hero-desc{
  font-size:16px;color:var(--text-weak);margin-bottom:38px;max-width:560px;line-height:1.9;
  border-left:2px solid rgba(214,40,40,0.5);padding-left:20px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:42px}
.btn-primary,.btn-secondary,.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:13px 32px;border-radius:999px;
  font-size:15px;font-weight:600;transition:var(--transition);border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--brand-red);color:#fff;box-shadow:0 10px 26px rgba(214,40,40,0.3)}
.btn-primary:hover{background:var(--brand-red-hover);transform:translateY(-2px);box-shadow:0 14px 30px rgba(240,67,67,0.4)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{
  background:transparent;border-color:var(--border-strong);color:var(--text-main);
}
.btn-secondary:hover{background:rgba(214,40,40,0.08);border-color:var(--brand-red);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.1);color:var(--text-main);padding:10px 18px;font-size:13px;font-weight:500}
.btn-ghost:hover{background:rgba(255,255,255,0.12);border-color:var(--brand-red)}
.hero-stats{
  display:flex;gap:28px;flex-wrap:wrap;padding-top:20px;border-top:1px solid var(--border-white);
}
.hero-stat .num{font-family:var(--font-mono);font-size:28px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat .lab{font-size:13px;color:var(--text-weak);margin-top:4px}
/* Hero 右侧 主推商品卡 */
.hero-product{
  background:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border-white);
  overflow:hidden;box-shadow:var(--shadow-card);position:relative;
}
.hero-product-ribbon{
  position:absolute;top:18px;right:-38px;background:var(--accent-amber);color:#1C1C1C;
  padding:6px 50px;font-size:12px;font-weight:800;transform:rotate(45deg);z-index:3;letter-spacing:1px;
}
.hero-product-img{position:relative;height:220px;overflow:hidden}
.hero-product-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s}
.hero-product:hover .hero-product-img img{transform:scale(1.03)}
.hero-product-toolbar{position:absolute;top:14px;left:14px;display:flex;gap:6px;flex-wrap:wrap}
.tool-tag{font-size:11px;font-weight:600;padding:3px 12px;border-radius:999px;background:rgba(11,11,15,0.7);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.15);color:#fff}
.hero-product-body{padding:22px}
.hero-product-body h3{font-size:20px;font-weight:700;margin-bottom:8px}
.hero-product-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-weak);margin-bottom:16px;flex-wrap:wrap;gap:8px}
.price-row{display:flex;align-items:baseline;gap:10px}
.price-now{font-family:var(--font-mono);font-size:26px;font-weight:900;color:var(--brand-red-hover)}
.price-old{font-size:14px;color:var(--text-subtle);text-decoration:line-through;font-family:var(--font-mono)}
.stock-line{font-size:12px;display:flex;align-items:center;gap:8px;margin-top:8px;color:var(--text-weak)}
.stock-bar{height:4px;background:rgba(255,255,255,0.1);border-radius:4px;flex:1;overflow:hidden}
.stock-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-red),var(--accent-amber));border-radius:4px;width:72%}

/* ===== 频道快速展示 ===== */
.channel-section{padding:var(--space-section) 0;background:var(--bg-primary);position:relative}
.channel-section::before{
  content:"#Gallery";position:absolute;right:2%;top:30px;font-size:100px;color:rgba(255,255,255,0.02);font-weight:900;pointer-events:none;transform:rotate(-8deg);letter-spacing:6px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;flex-wrap:wrap}
.section-tag{font-size:13px;font-weight:600;color:var(--accent-amber);background:rgba(255,183,0,0.1);border:1px solid rgba(255,183,0,0.2);padding:5px 16px;border-radius:999px;display:inline-flex;gap:6px;align-items:center;margin-bottom:12px;letter-spacing:0.5px}
.section-title{font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.3;letter-spacing:0.5px}
.section-sub{color:var(--text-weak);font-size:15px;margin-top:10px;max-width:640px;line-height:1.8}
.section-link{color:var(--text-weak);font-size:14px;display:inline-flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid transparent;transition:var(--transition)}
.section-link:hover{color:var(--brand-red-hover);border-bottom-color:var(--brand-red)}
.channel-tile{display:flex;flex-direction:column;height:100%}
.tile-main{
  border-radius:var(--radius-horizontal);overflow:hidden;position:relative;
  background:var(--bg-surface);
  display:flex;align-items:center;
}
.tile-main img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s}
.tile-badge-overlay{position:absolute;top:14px;left:14px;z-index:3;left:12px;top:12px}
.channel-tile:hover img{transform:scale(1.04)}
.tile-label{position:absolute;bottom:0;left:0;right:0;padding:26px 16px 14px;background:linear-gradient(0deg, rgba(8,8,12,0.85), transparent);color:var(--text-main);font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:space-between;transition:var(--transition)}
.tile-label .arr{opacity:0;transform:translateX(-8px);transition:var(--transition);color:var(--accent-amber)}
.channel-tile:hover .arr{opacity:1;transform:translateX(0)}
.tile-main::before{content:"";position:absolute;inset:0;background:rgba(8,8,12,0.2);z-index:1;opacity:0;transition:var(--transition);pointer-events:none}
.channel-tile:hover .tile-main::before{opacity:1}
.channel-tile .ctl-side-data{position:absolute;right:10px;bottom:10px;z-index:2;display:flex;gap:6px;align-items:center;background:rgba(11,11,15,0.6);backdrop-filter:blur(6px);border-radius:999px;font-size:11px;padding:3px 10px;color:rgba(255,255,255,0.85)}


/* ===== 痛点区 — 左文右图 ===== */
.pain-block{padding:clamp(60px,10vw,130px) 0;background:var(--bg-secondary);border-top:1px solid rgba(255,255,255,0.04)}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center}
.pain-copy h2{font-size:clamp(28px,4.5vw,44px);font-weight:800;margin-bottom:16px;line-height:1.3}
.pain-copy>p.lead{color:var(--text-weak);font-size:15px;line-height:1.8;margin-bottom:28px}
.pain-list{display:flex;flex-direction:column}
.pain-item{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--border-white)}
.pain-item:last-child{border-bottom:none}
.pain-num{width:44px;height:44px;flex-shrink:0;border-radius:14px;background:rgba(214,40,40,0.1);border:1px solid rgba(214,40,40,0.25);display:flex;align-items:center;justify-content:center;color:var(--brand-red);font-weight:800;font-family:var(--font-mono);font-size:17px}
.pain-item em{font-style:normal;font-weight:700;color:#e8dde4}
.pain-text{color:var(--text-weak);font-size:15px;line-height:1.7}
.pain-text strong{color:var(--text-main)}
.pain-visual{position:relative;min-height:400px;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:5/4;background:var(--bg-panel);box-shadow:var(--shadow-card)}
.pain-visual img.abs{position:absolute;width:100%;height:100%;object-fit:cover;top:0;left:0;opacity:0.82}
.pain-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(145deg, rgba(214,40,40,0.12), transparent 40%);z-index:2}
.visual-card{position:absolute;bottom:18px;left:18px;right:18px;background:rgba(13,13,18,0.78);backdrop-filter:blur(12px);border-radius:var(--radius-md);padding:16px 20px;z-index:3;border:1px solid rgba(255,255,255,0.1)}
.vc-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-weight:600}
.vc-tag{font-size:12px;color:var(--accent-amber);background:rgba(255,183,0,0.12);padding:2px 12px;border-radius:999px}
.vc-status{font-size:14px;color:var(--text-weak);display:flex;align-items:center;gap:8px}
.vc-status i{color:#58D68D}

/* ===== CTA 窄幅进度条 ===== */
.narrow-cta{
  background:#A11A1A;color:#fff;position:relative;overflow:hidden;
  padding:36px 0;
}
.narrow-cta::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 100%, rgba(255,255,255,0.4) 1px, transparent 1px);
  background-size:24px 24px;opacity:0.16;
}
.narrow-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;position:relative;z-index:2}
.narrow-inner h3{font-size:clamp(20px,3vw,27px);font-weight:800;letter-spacing:0.5px}
.narrow-inner p{font-size:14px;opacity:.9;margin-top:6px}
.narrow-btn{background:#131313;color:#fff;border-radius:999px;padding:14px 34px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--transition);border:1px solid rgba(255,255,255,0.2);flex-shrink:0}
.narrow-btn:hover{;transform:translateY(-3px);box-shadow:0 14px 26px rgba(0,0,0,0.45)}


/* ===== Bento 方案区 ===== */
.bento-section{padding:var(--space-section) 0}
.bento-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:18px;grid-auto-rows:minmax(140px,auto)}
.bento-card{
  background:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.07);
  padding:30px 28px;position:relative;overflow:hidden;transition:var(--transition);
  display:flex;flex-direction:column;gap:18px;
  box-shadow:0 4px 20px rgba(0,0,0,0.16);
}
.bento-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(214,40,40,0.18);
}
.bento-card.b-large{grid-row:span 2;justify-content:flex-start}
.bento-card.b-wide{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.bento-icon{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:rgba(214,40,40,0.12);border:1px solid rgba(214,40,40,0.24);color:var(--brand-red-hover);font-size:24px;
}
.bento-card h3{font-size:20px;font-weight:800;line-height:1.4}
.bento-card p{font-size:14px;color:var(--text-weak);line-height:1.7}
.bento-visual{margin-top:auto;height:70px;margin:10px -16px -10px;border-radius:12px;overflow:hidden;position:relative}
.bento-visual img{width:100%;height:100%;object-fit:cover}
.bento-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(214,40,40,0.12),transparent)}
.tags-mini{display:flex;flex-wrap:wrap;gap:8px}
.mini-tag{
  font-size:12px;padding:4px 14px;border-radius:999px;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);color:var(--text-weak);
}
/* 上边线 accent */
.accent-red{border-top:3px solid var(--brand-red)}
.accent-amber{border-top:3px solid var(--accent-amber)}

/* ===== 成果数据蓝图 ===== */
.stats-band{background:#08080B;padding:70px 0;border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05);position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;top:-100px;left:50%;transform:translateX(-60%);width:600px;height:600px;background:radial-gradient(closest-side,rgba(214,40,40,0.12),transparent)}
.stats-band .container{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center;position:relative}
.stats-left h2{font-size:clamp(26px,3.8vw,38px);font-weight:800;margin:14px 0 12px;line-height:1.3}
.stats-left p{color:var(--text-weak);line-height:1.8;max-width:520px}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.06);border-radius:16px;overflow:hidden}
.stat-cell{background:#0F0F15;padding:30px 24px}
.stat-cell .number{font-family:var(--font-mono);font-size:34px;font-weight:900;color:#fff}
.stat-cell .number small{font-size:16px;color:var(--accent-amber);margin-left:2px}
.stat-cell .label-c{font-size:14px;color:var(--text-weak);margin-top:6px}
.stat-cell .progress-track{height:3px;background:rgba(255,255,255,0.08);border-radius:4px;margin-top:14px}
.stat-cell .progress-bar{width:72%;height:100%;background:var(--accent-amber);border-radius:4px}

/* ===== 证言区 ===== */
.quote-section{padding:var(--space-section) 0;background:var(--bg-secondary)}
.quote-masonry{display:grid;grid-template-columns:1fr 1fr;gap:22px 26px;position:relative}
.quote-card{
  background:var(--bg-surface);border-radius:var(--radius-lg);padding:30px 32px;
  border:1px solid rgba(255,255,255,0.07);box-shadow:var(--shadow-card);
  transition:var(--transition);position:relative;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(214,40,40,0.2)}
.quote-card:nth-child(1){transform:translateY(20px)}
.quote-card:nth-child(3){transform:translateY(40px);grid-column:2;margin-top:-80px;background:var(--bg-panel)}
.quote-card:nth-child(2){grid-column:1;grid-row:1 / span 1;margin-top:40px}
.quote-mark{font-size:46px;font-family:Georgia,serif;color:var(--brand-red);line-height:0.7;margin-bottom:8px;opacity:0.85}
.quote-text{font-size:15px;line-height:1.8;color:#d2d6de;margin-bottom:22px}
.quote-author{display:flex;align-items:center;gap:12px}
.quote-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid rgba(214,40,40,0.5)}
.quote-name{font-size:15px;font-weight:700}
.quote-source{font-size:12px;color:var(--text-weak);display:flex;align-items:center;gap:6px;margin-top:3px}
.quote-source i{color:var(--accent-amber)}

/* ===== FAQ ===== */
.faq-section{padding:var(--space-section) 0;background:var(--bg-primary)}
.faq-layout{display:grid;grid-template-columns:0.85fr 1.15fr;gap:60px;align-items:start}
.faq-head .sticky{position:sticky;top:130px}
.faq-item{
  border-bottom:1px solid var(--border-white);padding:8px 0;
}
.faq-question{
  font-size:17px;font-weight:700;padding:20px 0 20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  text-align:left;cursor:pointer;width:100%;transition:color 0.3s;
  color:var(--text-main);line-height:1.5;
}
.faq-question:hover{color:var(--brand-red-hover)}
.faq-question .faq-icon{
  min-width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);flex-shrink:0;
  transition:transform 0.5s, background 0.3s;
}
.faq-item.faq-open .faq-icon{transform:rotate(45deg);background:rgba(214,40,40,0.15);border-color:var(--brand-red);color:var(--brand-red-hover)}
.faq-answer{overflow:hidden;max-height:0;opacity:0;transition:max-height 0.45s ease,opacity 0.4s ease,margin 0.3s}
.faq-item.faq-open .faq-answer{max-height:480px;opacity:1;margin-bottom:20px}
.faq-answer-inner{padding:0 30px 10px 0;color:var(--text-weak);font-size:15px;line-height:1.85;border-left:2px solid rgba(214,40,40,0.25);padding-left:20px}


/* ===== 最终 CTA 深色叠图中心 ===== */
.final-cta{
  position:relative;padding:clamp(90px,10vw,160px) 0;text-align:center;
  overflow:hidden;
}
.final-cta .cta-bg{
  position:absolute;inset:0;
}
.final-cta .cta-bg img{width:100%;height:100%;object-fit:cover}
.final-cta .cta-bg::after{
  content:"";position:absolute;inset:0;
  background:rgba(10,10,15,0.78);
  background:linear-gradient(180deg, rgba(10,10,15,0.7) 0%, rgba(20,8,8,0.75) 100%);
}
.cta-inner{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;gap:20px;max-width:690px;margin:auto}
.cta-inner h2{font-size:clamp(28px,5vw,50px);font-weight:900;letter-spacing:1px;line-height:1.3}
.cta-inner p{max-width:520px;color:rgba(255,255,255,0.88);line-height:1.8}
.cta-inner .btn-primary{padding:16px 44px;font-size:16px}

/* ===== 页脚 ===== */
.site-footer{background:#060609;border-top:1px solid rgba(255,255,255,0.05);padding:70px 0 0}
.footer-cols{display:grid;grid-template-columns:1.1fr 0.7fr 0.9fr 1fr;column-gap:30px;margin-bottom:60px}
.footer-brand .brand{font-size:28px;display:inline-flex;align-items:center;gap:12px}
.footer-desc{color:#7a7a88;font-size:14px;line-height:1.8;margin-top:18px;max-width:320px}
.footer-title{font-size:14px;font-weight:800;color:#fff;letter-spacing:1px;margin-bottom:20px;text-transform:uppercase;opacity:0.9}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-weak);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.footer-links a i{font-size:8px;opacity:0.5}
.footer-links a:hover{color:var(--brand-red-hover);transform:translateX(4px)}
.newsletter-box{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.newsletter-box input{
  flex:1;min-width:160px;height:46px;border-radius:12px;border:1px solid var(--border-white);background:rgba(255,255,255,0.04);
  padding:0 18px;color:#fff;outline:none;transition:var(--transition);
}
.newsletter-box input:focus{border-color:var(--brand-red);box-shadow:0 0 0 4px rgba(214,40,40,0.18)}
.newsletter-box button{
  height:46px;padding:0 24px;background:var(--brand-red);border-radius:12px;color:#fff;font-weight:600;
  transition:var(--transition);border:1px solid rgba(255,255,255,0.1);
}
.newsletter-box button:hover{background:var(--brand-red-hover);box-shadow:0 8px 22px rgba(240,67,67,0.3)}
.newsletter-box button i{margin-left:4px}
.footer-disclaimer{margin-top:12px;font-size:12px;color:#4f4f5c;border-left:2px solid rgba(255,255,255,0.1);padding-left:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding:22px 0;font-size:13px;color:var(--text-subtle);display:flex;flex-direction:row;flex-wrap:wrap;justify-content:space-between;gap:10px}


/* ===== 响应式 ===== */
@media(max-width:1200px){
  .header-search{min-width:140px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .stats-band .container{grid-template-columns:1fr;gap:44px}
  .quote-masonry{grid-template-columns:1fr}
  .quote-card:nth-child(1),.quote-card:nth-child(2),.quote-card:nth-child(3){transform:none;margin:0;grid-column:auto}
  .quote-card:nth-child(odd){transform:translateX(40px)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-head .sticky{position:static;top:auto}
  .footer-cols{grid-template-columns:1fr 1fr;row-gap:36px}
  .bento-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:1024px){
  .pain-grid{grid-template-columns:1fr;gap:40px}
  .pain-visual{aspect-ratio:16/9}
}
@media(max-width:769px){
  .header-top{height:60px}
  .flash-bar{margin-top:60px}
  .header-bottom{display:none}
  .header-search,.btn-auth{display:none}
  .mobile-toggle,.hamburger{display:flex}
  .hamburger{display:flex}
  .hero h1{font-size:34px}
  .hero-product{max-width:400px;margin:0 auto}
  .channel-tile{flex-direction:column}
  .bento-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .quote-card:nth-child(odd){transform:none}
  .footer-cols{grid-template-columns:1fr;column-gap:0}
  .narrow-inner{flex-direction:column;align-items:flex-start;}
  .flash-inner{justify-content:flex-start;gap:10px}
  .flash-label{flex-basis:70%}
  .cd-item{min-width:32px;padding:3px 6px;font-size:14px}
}
@media(max-width:520px){
  .hero-stats{flex-direction:column;gap:12px}
  .hero-stat{display:flex;align-items:baseline;gap:8px}
  .cta-inner p{font-size:14px}
  .btns-wrap{width:100%}
  .btn-primary,.btn-secondary{flex:1;justify-content:center;padding:12px 20px;font-size:14px}
  .footer-bottom{flex-direction:column;text-align:center}
  .bento-card.b-wide{flex-direction:column;align-items:flex-start}
  .section-title{font-size:24px}
  .stat-cell{padding:22px}
}
@media(min-width:770px){
  .mobile-drawer{display:none!important}
}

/* 其他 */
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.grid-5 .channel-tile .tile-main{height:110px;border-radius:12px}
@media(max-width:769px){
  .grid-5{grid-template-columns:repeat(2,1fr);overflow-x:auto;flex-wrap:nowrap;display:flex}
  .grid-5 .channel-tile{min-width:130px}
}
.offer-road{display:flex;flex-wrap:wrap;gap:16px;margin:20px 0}
.road-item{width:46%;min-width:230px;}

/* roulang page: category1 */
/* ==================== 设计变量与基础 ==================== */
:root {
  --bg-primary: #0B0B0F;
  --bg-secondary: #101016;
  --bg-surface: #16161D;
  --bg-panel: #1D1D26;
  --brand-red: #D62828;
  --brand-red-hover: #F04343;
  --accent-amber: #FFB700;
  --text-main: #F5F2EB;
  --text-weak: #A0A0AC;
  --text-subtle: #6F6F7E;
  --border-white: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 40px rgba(0,0,0,0.22);
  --shadow-hover: 0 20px 55px rgba(0,0,0,0.32);
  --space-section: clamp(64px, 9vw, 110px);
  --transition: all 0.3s ease;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }
::selection { background: rgba(214,40,40,0.68); color: #fff; }
:focus-visible {
  outline: 3px solid var(--brand-red);
  outline-offset: 3px;
  border-radius: 6px;
}
.container { width: min(1240px, 92%); margin: 0 auto; }

/* ==================== 双层滚动导航 ==================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,10,15,0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.header-top {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 4%;
  transition: height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 24px; letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--brand-red);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1), 0 6px 18px rgba(214,40,40,0.36);
}
.header-top-actions { display: flex; align-items: center; gap: 12px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid transparent;
  transition: var(--transition);
  color: var(--text-main);
}
.icon-btn:hover { background: rgba(255,255,255,0.1); border-color: var(--border-white); color: var(--brand-red-hover); }
.btn-auth {
  padding: 7px 18px; border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-size: 14px; font-weight: 500;
  background: rgba(255,255,255,0.02);
  transition: var(--transition);
}
.btn-auth:hover { border-color: var(--brand-red); color: var(--brand-red-hover); }

.header-bottom {
  height: 52px;
  border-top: 1px solid rgba(255,255,255,0.04);
  display: flex; align-items: center;
  padding: 0 4%;
  gap: 20px;
  overflow: hidden;
  transition: height 0.3s ease, border 0.3s ease;
}
.main-nav { display: flex; align-items: center; gap: 2px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.main-nav::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 0 16px; font-size: 15px; font-weight: 500;
  color: var(--text-main); white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
  height: 100%; position: relative; opacity: 0.75;
  transition: var(--transition);
}
.nav-link i { font-size: 13px; opacity: 0.65; }
.nav-link:hover { opacity: 1; color: var(--brand-red-hover); }
.nav-link.active {
  opacity: 1; font-weight: 600;
}
.nav-link.active::after {
  content: ""; position: absolute; bottom: 0; left: 12px; right: 12px;
  height: 3px; background: var(--brand-red); border-radius: 3px 3px 0 0;
}
.header-search {
  display: flex; align-items: center; gap: 8px;
  margin-left: auto;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  padding: 0 16px;
  height: 36px;
  min-width: 220px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.header-search:focus-within { border-color: rgba(214,40,40,0.7); box-shadow: 0 0 0 4px rgba(214,40,40,0.18); }
.header-search input { background: transparent; border: none; outline: none; color: var(--text-main); font-size: 14px; width: 100%; }
.header-search i { color: var(--text-weak); font-size: 14px; }

/* 滚动收缩状态 */
.site-header.is-shrink .header-top { height: 0; overflow: hidden; opacity: 0; padding: 0; }
.site-header.is-shrink .header-bottom { height: 60px; border-top: none; }
.site-header.is-shrink .brand { font-size: 20px; }

/* 移动抽屉 */
.mobile-drawer {
  position: fixed; top: 0; right: -100%;
  width: min(420px, 92%);
  height: 100vh;
  z-index: 1400;
  background: #08080C;
  flex-direction: column;
  padding: 26px 26px 20px;
  transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  border-left: 1px solid var(--border-white);
  display: flex;
  box-shadow: -18px 0 50px rgba(0,0,0,0.5);
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 36px; }
.drawer-close {
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.drawer-close:hover { background: rgba(214,40,40,0.28); color: #fff; }
.drawer-nav { display: flex; flex-direction: column; gap: 2px; }
.drawer-link {
  padding: 15px 10px; font-size: 18px; font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  border-left: 3px solid transparent;
}
.drawer-link.active { color: var(--brand-red-hover); padding-left: 16px; border-left-color: var(--brand-red); }
.drawer-auth {
  margin-top: 24px; display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px; border-radius: 999px;
  border: 1px solid var(--border-strong); font-size: 15px;
  background: rgba(255,255,255,0.03);
}
body.no-scroll { overflow: hidden; }

.hamburger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(255,255,255,0.05);
  align-items: center;
  transition: var(--transition);
}
.hamburger:hover { background: rgba(255,255,255,0.12); }
.hamburger span { width: 20px; height: 2px; background: var(--text-main); border-radius: 2px; }

/* ==================== 通用按钮与标签 ==================== */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brand-red); color: #fff;
  padding: 12px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 700; line-height: 1.4;
  border: 1px solid var(--brand-red);
  box-shadow: 0 4px 16px rgba(214,40,40,0.24);
  transition: var(--transition);
}
.btn-primary:hover {
  background: var(--brand-red-hover); border-color: var(--brand-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(214,40,40,0.38);
}
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--text-main);
  padding: 12px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.18);
  transition: var(--transition);
}
.btn-ghost:hover {
  border-color: var(--brand-red);
  background: rgba(214,40,40,0.12);
  color: #fff;
  transform: translateY(-2px);
}

/* ==================== 分类页头部 ==================== */
.cat-hero {
  padding: calc(64px + 52px + clamp(36px, 6vw, 72px)) 0 var(--space-section);
  position: relative;
  background-color: #0B0B0F;
  background-image:
    linear-gradient(90deg, rgba(8,8,12,0.92) 0%, rgba(10,10,15,0.68) 52%, rgba(8,8,12,0.56) 100%),
    url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border-white);
  overflow: hidden;
}
.cat-hero::after {
  content: "";
  position: absolute;
  right: -80px; bottom: -60px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(214,40,40,0.125), transparent 66%);
  pointer-events: none;
}
.cat-hero .container { position: relative; z-index: 2; }

.breadcrumb-wrap {
  padding: 104px 0 0;
}
.breadcrumb {
  display: flex; align-items: center; gap: 9px;
  font-size: 13.5px; color: var(--text-weak);
  width: min(1240px, 92%); margin: 0 auto;
}
.breadcrumb a { display: inline-flex; align-items: center; gap: 5px; color: var(--text-weak); }
.breadcrumb a:hover { color: var(--brand-red-hover); }
.breadcrumb i.sep { font-size: 12px; opacity: 0.5; color: var(--text-subtle); }
.breadcrumb .current { color: var(--text-main); font-weight: 600; }

.cat-lead-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; letter-spacing: 1px;
  color: var(--accent-amber);
  margin-bottom: 16px;
}
.cat-lead-kicker .line {
  width: 30px; height: 1px;
  background: var(--accent-amber);
  opacity: 0.6;
  display: inline-block;
}
.cat-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 56px;
  align-items: center;
}
.cat-hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.15;
  margin-bottom: 14px;
}
.cat-hero h1 .dot { color: var(--brand-red); }
.cat-slogan {
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
}
.cat-desc {
  font-size: 16px;
  color: var(--text-weak);
  max-width: 640px;
  margin-bottom: 32px;
}
.cat-hero-actions {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 36px;
}
.cat-hero-facts {
  display: flex; flex-wrap: wrap; align-items: center; gap: 11px 22px;
  border-top: 1px solid var(--border-white);
  padding-top: 22px;
}
.cat-hero-facts .fact {
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px; color: var(--text-weak);
}
.cat-hero-facts .fact strong {
  font-family: var(--font-mono);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
}
.cat-side-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-card);
  background: var(--bg-panel);
  aspect-ratio: 4 / 3;
}
.cat-side-visual img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }
.cat-side-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(214,40,40,0.16), transparent 56%);
  pointer-events: none;
}
.visual-caption {
  position: absolute;
  left: 18px; right: 18px; bottom: 16px;
  z-index: 2;
  background: rgba(10,10,15,0.72);
  backdrop-filter: blur(7px);
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-white);
  font-size: 14px;
  color: var(--text-main);
}
.visual-caption i { color: var(--accent-amber); margin-right: 6px; }

/* ==================== 浏览结果工具栏 ==================== */
.results-block {
  padding-top: var(--space-section);
  scroll-margin-top: 180px;
}
.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px 12px;
  margin-bottom: 24px;
}
.result-count {
  font-size: 14.5px;
  color: var(--text-weak);
  display: flex; align-items: center; gap: 6px;
  flex-shrink: 0;
}
.result-count strong { color: var(--accent-amber); font-weight: 700; font-family: var(--font-mono); }
.chip-list {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-right: auto;
}
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-weak);
  font-size: 13.5px;
  transition: var(--transition);
}
.chip:hover { color: var(--text-main); border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.1); }
.chip.active {
  background: rgba(214,40,40,0.16);
  border-color: rgba(214,40,40,0.7);
  color: #FFC2C2;
  font-weight: 600;
}
.sort-box {
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px;
  color: var(--text-weak);
}
.sort-box select {
  background: var(--bg-surface);
  border: 1px solid var(--border-white);
  color: var(--text-main);
  font-size: 13.5px;
  padding: 8px 34px 8px 14px;
  border-radius: 999px;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A0A0AC' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  transition: var(--transition);
}
.sort-box select:hover { border-color: var(--border-strong); }
.sort-box select:focus { outline: none; border-color: var(--brand-red); box-shadow: 0 0 0 4px rgba(214,40,40,0.16); }

/* ==================== 列表 + 侧栏 ==================== */
.category-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(280px, 0.95fr);
  gap: 40px;
  align-items: start;
}
.list-spacer { height: 34px; }

.result-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.result-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-md);
  display: flex;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}
.result-item:hover {
  border-color: rgba(214,40,40,0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.result-thumb {
  flex: 0 0 212px;
  width: 212px;
  position: relative;
  overflow: hidden;
  display: block;
  background: var(--bg-panel);
}
.result-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.3s ease;
}
.result-item:hover .result-thumb img { transform: scale(1.04); }
.result-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(0,0,0,0.18), transparent 48%);
  pointer-events: none;
}
.type-badge {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  font-size: 12px;
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(15,15,20,0.72);
  backdrop-filter: blur(5px);
  color: #FFD9D9;
  border: 1px solid rgba(214,40,40,0.35);
}
.result-body {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.result-body h3 {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 7px;
}
.result-body h3 a:hover { color: var(--brand-red-hover); }
.result-summary {
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 14px;
}
.result-meta {
  display: flex; flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: auto;
  color: var(--text-subtle);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 12px;
}
.result-meta .artist { color: var(--text-weak); }
.result-meta i { margin-right: 5px; opacity: 0.7; }
.result-meta .heat { color: var(--accent-amber); }

/* ==================== 侧栏 ==================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 150px;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-panel) transparent;
}
.widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
}
.widget:hover { border-color: rgba(255,255,255,0.12); }
.widget-title {
  font-size: 17px;
  font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  color: var(--text-main);
  margin-bottom: 16px;
}
.widget-title i { color: var(--brand-red); font-size: 15px; }
.side-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.side-tags a {
  font-size: 13px;
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-white);
  color: var(--text-weak);
}
.side-tags a:hover {
  border-color: rgba(214,40,40,0.6);
  color: var(--text-main);
  background: rgba(214,40,40,0.08);
}

.hot-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hot-item {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.hot-item:last-child { border-bottom: none; padding-bottom: 0; }
.hot-item:hover .hot-name { color: var(--brand-red-hover); }
.hot-thumb {
  flex: 0 0 86px;
  width: 86px;
  height: 66px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-panel);
}
.hot-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.hot-item:hover .hot-thumb img { transform: scale(1.06); }
.hot-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
  transition: color 0.25s;
}
.hot-stat { font-size: 12px; color: var(--text-subtle); }
.hot-stat i { margin-right: 3px; }

.newsletter-box {
  display: flex;
  gap: 8px;
  margin-top: 5px;
}
.newsletter-box input {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 4px 15px;
  border-radius: 12px;
  border: 1px solid var(--border-white);
  background: var(--bg-panel);
  color: var(--text-main);
  font-size: 14px;
  transition: var(--transition);
}
.newsletter-box input::placeholder { color: var(--text-subtle); }
.newsletter-box input:focus { outline: none; border-color: var(--brand-red); box-shadow: 0 0 0 4px rgba(214,40,40,0.18); }
.newsletter-box button {
  height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--brand-red);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
}
.newsletter-box button:hover { background: var(--brand-red-hover); transform: translateY(-1px); }

.channel-note {
  background: rgba(26,26,34,0.55);
  border-left: 3px solid var(--brand-red);
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.85;
}

/* ==================== 分页 ==================== */
.pagination-wrap {
  margin-top: 38px;
  display: flex;
  justify-content: center;
}
.pagination {
  display: flex; align-items: center;
  gap: 7px;
  background: var(--bg-surface);
  border: 1px solid var(--border-white);
  border-radius: 999px;
  padding: 7px;
}
.page-link {
  min-width: 42px;
  height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 999px;
  font-size: 14.5px;
  padding: 0 8px;
  color: var(--text-weak);
  font-weight: 500;
  transition: var(--transition);
}
.page-link:hover { background: rgba(255,255,255,0.06); color: var(--text-main); }
.page-link.current {
  background: var(--brand-red);
  color: #fff;
  font-weight: 700;
  cursor: default;
  box-shadow: 0 4px 16px rgba(214,40,40,0.3);
}
.page-link.next { padding: 0 16px; }
.page-link.disabled { opacity: 0.32; pointer-events: none; }

/* ==================== SEO 说明 / FAQ ==================== */
.seo-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  padding-top: var(--space-section);
}
.seo-copy-block h2,
.faq-section-title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}
.seo-copy-block h2 .red,
.faq-section-title .red { color: var(--brand-red); }
.seo-copy-block p { color: var(--text-weak); margin-bottom: 18px; }
.seo-copy-block ul { display: flex; flex-direction: column; gap: 13px; }
.seo-copy-block li {
  display: flex; gap: 10px;
  font-size: 14.5px;
  color: var(--text-weak);
  padding-left: 2px;
}
.seo-copy-block li i {
  color: var(--brand-red);
  line-height: 1.8;
  flex-shrink: 0;
}

.faq-list { margin-top: 0; display: flex; flex-direction: column; gap: 10px; }
.faq-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-white);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-card.open { border-color: rgba(214,40,40,0.4); background: #17171D; }
.faq-q {
  width: 100%;
  padding: 19px 20px 19px 22px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  font-size: 17px;
  font-weight: 700;
  text-align: left;
  color: var(--text-main);
  transition: color 0.3s;
}
.faq-q:hover { color: #FFC2C2; }
.faq-icon {
  flex: 0 0 28px;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-white);
  color: var(--text-weak);
  transition: all 0.3s ease;
}
.faq-card.open .faq-icon {
  background: var(--brand-red);
  color: #fff;
  transform: rotate(135deg);
  border-color: var(--brand-red);
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq-card.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a p {
  padding: 0 22px 20px 22px;
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.85;
}
.faq-a p strong { color: var(--text-main); font-weight: 600; }

/* ==================== 底部 CTA ==================== */
.bottom-cta {
  margin-top: var(--space-section);
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-white);
  padding: clamp(46px, 7%, 84px) 32px;
  text-align: center;
  background:
    linear-gradient(rgba(8,8,12,0.78), rgba(14,14,20,0.72)),
    url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
}
.bottom-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(214,40,40,0.2), transparent 54%);
  opacity: 0.7;
}
.bottom-cta .inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
.bottom-cta h2 {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 8px;
}
.bottom-cta .cta-sub {
  font-size: 16px;
  color: var(--text-weak);
  margin: 14px auto 30px;
  max-width: 620px;
}
.cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* ==================== 页脚 ==================== */
.site-footer {
  background: #08080B;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: var(--space-section);
  padding: 60px 0 0;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.25fr;
  gap: 18px 34px;
  margin-bottom: 44px;
}
.footer-brand .brand { font-size: 26px; margin-bottom: 14px; }
.footer-desc {
  font-size: 14.5px;
  color: var(--text-weak);
  line-height: 1.85;
  margin-bottom: 13px;
  max-width: 370px;
}
.footer-disclaimer {
  font-size: 12.5px;
  color: var(--text-subtle);
  border-left: 2px solid rgba(214,40,40,0.5);
  padding-left: 10px;
  max-width: 360px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-main);
}
.footer-title i { color: var(--accent-amber); margin-right: 4px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s;
}
.footer-links a:hover { color: var(--brand-red-hover); transform: translateX(3px); }
.footer-news p { font-size: 14px; color: var(--text-weak); margin-bottom: 14px; }
.newsletter-box.simple button { border-radius: 999px; }
.footer-contact {
  font-size: 12px;
  color: var(--text-subtle);
  margin-top: 13px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
  font-size: 13px;
  color: var(--text-subtle);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1200px) {
  .category-layout { grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); }
  .footer-cols { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-news { grid-column: span 2; }
  .cat-hero-grid { grid-template-columns: 1fr 0.7fr; gap: 32px; }
}

@media (max-width: 1024px) {
  .hamburger { display: flex; }
  .header-bottom { display: none; }
  .btn-auth { display: none; }
  .header-search { display: none; }
  .cat-hero-grid { grid-template-columns: 1fr; }
  .cat-side-visual { max-width: 560px; }
  .category-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 10px;
  }
  .widget.channel-note { grid-column: span 2; }
  .seo-copy { grid-template-columns: 1fr; gap: 36px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-header.is-shrink .header-top {
    height: 64px !important;
    opacity: 1 !important;
    padding: 0 4% !important;
  }
  .site-header .header-top { height: 64px; padding: 0 4%; }
  .brand { font-size: 21px; }
  .cat-hero { padding-top: 120px; }
  .breadcrumb-wrap { padding-top: 92px; }
  .category-layout { gap: 34px; }
  .result-thumb { flex: 0 0 156px; width: 156px; }
  .result-body { padding: 16px 18px; }
  .result-body h3 { font-size: 18px; }
  .sort-box { width: 100%; }
  .sort-box select { flex: 1; max-width: 240px; }
  .footer-cols { grid-template-columns: 1fr; gap: 26px; }
  .footer-news { grid-column: span 1; }
  .widget.channel-note { grid-column: span 1; }
  .widget { grid-column: span 2; }
  .sidebar { display: flex; }
}

@media (max-width: 520px) {
  .container { width: 92%; }
  .cat-hero h1 { font-size: 40px; }
  .cat-hero-actions .btn-primary,
  .cat-hero-actions .btn-ghost {
    width: 100%;
  }
  .result-item { flex-direction: column; }
  .result-thumb,
  .result-thumb img {
    width: 100%;
    flex: none;
    height: 190px;
  }
  .result-meta { gap: 6px 14px; font-size: 12.5px; }
  .toolbar { align-items: flex-start; }
  .chip-list { width: 100%; }
  .bottom-cta .cta-buttons .btn-primary,
  .bottom-cta .cta-buttons .btn-ghost { width: 100%; }
  .breadcrumb .crumb-mid { display: none; }
  .newsletter-box { flex-direction: column; }
  .newsletter-box input,
  .newsletter-box button { width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
}