/* roulang page: index */
:root{
  --ink-900:#0B0812;
  --ink-800:#141020;
  --ink-750:#181328;
  --ink-700:#1D1830;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand-500:#FF2E63;
  --brand-600:#E11B52;
  --grad-brand:linear-gradient(135deg,#FF2E63 0%,#FF7A2F 55%,#FFC24B 100%);
  --accent-500:#4FE0C0;
  --amber-400:#FFC24B;
  --t1:#FFFFFF;
  --t2:#C9C2DC;
  --t3:#8B83A6;
  --ok:#4FE0C0;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 6px 24px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(255,46,99,.20);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,46,99,.35);border-radius:8px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 通用排版 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{position:relative;font-size:clamp(24px,3.4vw,38px);font-weight:800;line-height:1.2;padding-left:16px;letter-spacing:-.01em}
.section-title::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:.9em;border-radius:4px;background:var(--grad-brand)}
.section-sub{margin-top:10px;font-size:15px;color:var(--t3);max-width:640px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--brand-500);font-weight:700;text-transform:uppercase}
.lead{color:var(--t2)}

/* ---------- 导航 ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:80;height:76px;background:transparent;border-bottom:1px solid transparent;transition:height .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-shrink{height:64px;background:rgba(11,8,18,.86);border-bottom-color:var(--line);backdrop-filter:blur(10px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#1A0A12;letter-spacing:.02em}
.brand-text{font-size:17px;font-weight:800;color:#fff;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:32px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;padding:8px 0;font-size:15px;font-weight:500;color:var(--t2);transition:color .2s var(--ease);min-height:44px;display:flex;align-items:center}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;border-radius:2px;background:var(--grad-brand);transition:width .22s var(--ease)}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:60%}
.nav-link.is-active{color:#fff;font-weight:700}
.nav-link.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04)}
@media(min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--ink-800);border-top:1px solid var(--line);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);padding:16px 20px 32px;overflow-y:auto}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-drawer a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--t2)}
.mobile-drawer a.is-active{color:#fff;font-weight:700}
.mobile-drawer a .arrow{color:var(--brand-500)}
.mobile-drawer .btn{margin-top:20px;width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;min-height:44px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn-primary{background:var(--grad-brand);color:#20060F}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,46,99,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.02);border:1px solid var(--line-strong);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,46,99,.6)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:#fff;min-height:44px}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--brand-500)}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;display:flex;align-items:center;min-height:78vh;padding:132px 0 72px;
  background:
    linear-gradient(90deg,rgba(11,8,18,.95) 0%,rgba(11,8,18,.74) 46%,rgba(11,8,18,.34) 100%),
    linear-gradient(0deg,rgba(11,8,18,1) 0%,rgba(11,8,18,0) 46%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
@media(max-width:639px){.hero{min-height:66vh;padding:112px 0 56px}}
.hero-inner{max-width:720px}
.hero h1{margin-top:14px;font-size:clamp(34px,6vw,64px);font-weight:900;line-height:1.08;letter-spacing:-.02em}
.hero h1 .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--t2);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.badge-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:34px}
@media(min-width:768px){.badge-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:640px}}
.stat-badge{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;position:relative}
.stat-badge::before{content:"";position:absolute;left:16px;top:16px;width:6px;height:6px;border-radius:50%;background:var(--grad-brand)}
.stat-num{font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;padding-left:14px;line-height:1.2}
.stat-label{padding-left:14px;font-size:12px;color:var(--t3);letter-spacing:.02em;margin-top:4px}
.hero-tag{position:absolute;right:32px;top:50%;transform:translateY(-50%) rotate(90deg);transform-origin:right center;font-size:12px;letter-spacing:.3em;color:var(--t3);display:none}
@media(min-width:1280px){.hero-tag{display:block}}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 12px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 auto;width:168px;scroll-snap-align:start}
@media(min-width:1024px){.rail-card{width:240px}}
.rail-hint{margin-top:12px;font-size:13px;color:var(--t3)}
.rail-nav{display:none;gap:10px}
@media(min-width:1024px){.rail-nav{display:flex}}
.rail-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease),border-color .2s var(--ease)}
.rail-btn:hover{background:rgba(255,46,99,.18);border-color:rgba(255,46,99,.6)}

/* ---------- 卡片 ---------- */
.poster-card{display:flex;flex-direction:column;gap:12px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);height:100%}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.thumb{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,var(--ink-700),var(--ink-800))}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.poster-card:hover .thumb img{transform:scale(1.04)}
.thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(0deg,rgba(11,8,18,.92),rgba(11,8,18,0))}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.02em;background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--t2)}
.chip-float{position:absolute;left:12px;top:12px;z-index:2;background:rgba(11,8,18,.72)}
.rank-badge{position:absolute;right:12px;top:12px;z-index:2;min-width:30px;height:30px;padding:0 8px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;background:rgba(11,8,18,.72);border:1px solid var(--line-strong);color:#fff}
.rank-badge.top{background:linear-gradient(135deg,var(--amber-400),var(--brand-500));color:#20060F;border-color:transparent}
.card-title{font-size:17px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(min-width:1024px){.card-title{font-size:19px}}
.card-desc{font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--t3);letter-spacing:.02em;border-top:1px solid var(--line);padding-top:10px;margin-top:auto}
.card-meta .arrow{color:var(--brand-500)}

/* ---------- 网格 ---------- */
.grid-4{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1280px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}
.sort-pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:13px;color:var(--t2);min-height:36px;display:inline-flex;align-items:center;transition:all .2s var(--ease)}
.pill.is-on{background:var(--grad-brand);color:#20060F;font-weight:700;border-color:transparent}
.pill:hover{color:#fff;border-color:var(--line-strong)}

/* ---------- 交错片单分区 ---------- */
.feature-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:1024px){.feature-grid{grid-template-columns:repeat(12,minmax(0,1fr))}}
.feature-main{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:18px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
@media(min-width:768px){.feature-main{flex-direction:row;align-items:center}}
@media(min-width:1024px){.feature-main{grid-column:span 8}}
.feature-main .thumb{flex:1 1 52%;aspect-ratio:16/9;width:100%}
.feature-body{flex:1 1 48%;display:flex;flex-direction:column;gap:12px}
.feature-rail{display:flex;flex-direction:column;gap:14px}
@media(min-width:1024px){.feature-rail{grid-column:span 4}}
.mini-item{display:flex;gap:14px;align-items:flex-start;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-md);padding:12px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mini-item:hover{background:rgba(255,255,255,.05);transform:translateY(-2px)}
.mini-thumb{flex:0 0 120px;width:120px;height:80px;border-radius:12px;overflow:hidden;background:var(--ink-700)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-body h3{font-size:16px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-body p{font-size:13px;color:var(--t3);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sub-grid{display:grid;gap:24px;grid-template-columns:1fr;margin-top:24px}
@media(min-width:768px){.sub-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
.step{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.step-num{width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-brand);color:#20060F}
.step h3{margin-top:14px;font-size:18px;font-weight:700}
.step p{margin-top:8px;font-size:15px;color:var(--t2);line-height:1.8}

/* ---------- 列表区块 ---------- */
.list-block{border-top:1px solid var(--line)}
.list-row{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line);position:relative;transition:background .2s var(--ease)}
.list-row::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease)}
.list-row:hover{background:rgba(255,255,255,.04)}
.list-row:hover::before{opacity:1}
.list-row .mini-thumb{flex:0 0 120px}

/* ---------- CMS 资讯列表 ---------- */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1280px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{display:flex;flex-direction:column;gap:12px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);height:100%}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.news-card h3{font-size:17px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body{display:flex;flex-direction:column;gap:10px;padding:4px 4px 2px;flex:1}
.empty-state{border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:40px 20px;text-align:center;background:rgba(255,255,255,.02)}
.empty-state .dot{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);margin:0 auto 16px;opacity:.85}
.empty-state p{color:var(--t2);margin-bottom:18px}

/* ---------- CTA ---------- */
.cta-band{position:relative;border-radius:var(--r-lg);padding:2px;background:var(--grad-brand);overflow:hidden}
.cta-inner{background:var(--ink-800);border-radius:22px;padding:28px;display:grid;gap:22px}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.1fr 1fr;align-items:center;padding:36px 40px}}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;line-height:1.25}
.cta-inner p{margin-top:10px;color:var(--t2);font-size:15px}
.form-row{display:flex;flex-direction:column;gap:12px}
@media(min-width:640px){.form-row{flex-direction:row}}
.field{flex:1;background:var(--ink-750);border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:#fff;font-size:15px;min-height:48px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field::placeholder{color:var(--t3)}
.field:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,46,99,.22)}
.form-note{margin-top:10px;font-size:13px;color:var(--t3)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--ink-800);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px;text-align:left;font-size:16px;font-weight:700;line-height:1.5;min-height:56px}
.faq-no{flex:0 0 28px;width:28px;height:28px;border-radius:9px;background:var(--grad-brand);color:#20060F;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.faq-sign{margin-left:auto;font-size:20px;color:var(--t3);line-height:1;transition:transform .2s var(--ease),color .2s var(--ease)}
.faq-item.is-open .faq-sign{color:var(--brand-500);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 18px 20px 60px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;border-top:1px solid var(--line);position:relative;background:var(--ink-800)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.7}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;padding:56px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.footer-text{font-size:14px;color:var(--t3);line-height:1.8}
.footer-links a{display:block;font-size:14px;color:var(--t2);padding:7px 0;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand-500)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--t3)}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* roulang page: article */
:root{
  --ink-900:#0B0812;
  --ink-800:#141020;
  --ink-750:#181328;
  --ink-700:#1D1830;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand-500:#FF2E63;
  --brand-600:#E11B52;
  --grad-brand:linear-gradient(135deg,#FF2E63 0%,#FF7A2F 55%,#FFC24B 100%);
  --accent-500:#4FE0C0;
  --amber-400:#FFC24B;
  --t1:#FFFFFF;
  --t2:#C9C2DC;
  --t3:#8B83A6;
  --ok:#4FE0C0;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 6px 24px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(255,46,99,.20);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,46,99,.35);border-radius:8px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),height .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,8,18,.86);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;transition:height .3s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:900;color:#1B0714;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:.01em;}
.nav-links{display:none;align-items:center;gap:32px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad-brand);border-radius:2px;
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--t1);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#22060F;box-shadow:0 6px 20px rgba(255,46,99,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,46,99,.35);color:#1B0714;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--t1);}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,122,47,.6);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px;}
.btn-text{
  background:none;border:none;padding:0;min-height:auto;
  color:var(--t1);font-weight:700;display:inline-flex;align-items:center;gap:6px;
}
.btn-text .arrow{transition:transform .2s var(--ease);}
.btn-text:hover{color:var(--brand-500);}
.btn-text:hover .arrow{transform:translateX(4px);}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t1);
  cursor:pointer;
}
@media (min-width:1024px){.menu-toggle{display:none;}}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--ink-800);
  padding:96px 24px 32px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:8px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:14px;
  color:var(--t1);font-weight:600;font-size:16px;
  border:1px solid var(--line);
}
.mobile-drawer a.is-active{border-color:rgba(255,46,99,.5);background:rgba(255,46,99,.08);}
.mobile-drawer .drawer-close{
  position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t1);
  font-size:20px;line-height:1;cursor:pointer;
}

/* ---------- article layout ---------- */
main{padding-top:76px;}
.article-hero{
  position:relative;
  padding:36px 0 8px;
  background:
    radial-gradient(760px 340px at 12% 0%, rgba(255,46,99,.16), transparent 60%),
    radial-gradient(620px 320px at 88% 12%, rgba(79,224,192,.10), transparent 62%);
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:var(--t3);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .current{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t3);}
.breadcrumb .sep{opacity:.5;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--t2);
}
.pill-grad{
  background:var(--grad-brand);color:#22060F;border-color:transparent;font-weight:800;
}
.pill-dot::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand);display:block;
}
.article-title{
  font-size:clamp(28px,4.4vw,46px);
  font-weight:900;line-height:1.16;letter-spacing:-.02em;color:var(--t1);
  margin:18px 0 18px;max-width:22ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13px;color:var(--t3);letter-spacing:.02em;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);opacity:.6;}
.article-cover{
  margin-top:28px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  position:relative;aspect-ratio:16/9;background:var(--ink-700);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,8,18,0) 45%,rgba(11,8,18,.75) 100%);
}

/* body content */
.article-wrap{max-width:800px;margin:0 auto;}
.article-body{
  padding:44px 0 8px;
  font-size:17px;line-height:1.9;color:var(--t2);
}
.article-body p{margin:0 0 20px;}
.article-body p:first-of-type{font-size:18px;color:#DCD6EC;}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);font-weight:800;color:var(--t1);
  line-height:1.3;margin:48px 0 18px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:24px;border-radius:4px;
  background:var(--grad-brand);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--t1);margin:32px 0 14px;}
.article-body h4{font-size:17px;font-weight:700;color:var(--t1);margin:24px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 20px 24px;padding-left:8px;}
.article-body li{margin-bottom:10px;line-height:1.85;list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid transparent;
  border-image:var(--grad-brand) 1;
  background:rgba(255,255,255,.04);
  border-radius:0 16px 16px 0;color:#DCD6EC;
}
.article-body img{border-radius:16px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-body a{color:#FF7A9B;border-bottom:1px solid rgba(255,46,99,.35);}
.article-body a:hover{color:var(--brand-500);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(255,255,255,.05);color:var(--t1);font-weight:700;}
.article-body code{
  background:var(--ink-750);border:1px solid var(--line);border-radius:6px;
  padding:2px 7px;font-size:14px;color:var(--accent-500);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body pre{
  background:var(--ink-750);border:1px solid var(--line);border-radius:12px;
  padding:18px;overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;border:none;padding:0;color:#DCD6EC;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

/* fallback empty */
.empty-panel{
  margin:40px 0;padding:48px 24px;text-align:center;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-panel .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--grad-brand);opacity:.85;
}
.empty-panel h2{font-size:20px;font-weight:800;color:var(--t1);margin-bottom:10px;}
.empty-panel p{font-size:15px;color:var(--t3);margin-bottom:22px;}

/* tag row */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;}
.tag{
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t2);
}
.tag:hover{border-color:rgba(255,122,47,.55);color:var(--t1);}
.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:28px;padding-top:22px;border-top:1px solid var(--line);
}

/* sections */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.2;color:var(--t1);
  padding-left:14px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:24px;border-radius:4px;
  background:var(--grad-brand);
}
.section-head p{font-size:14px;color:var(--t3);margin-top:10px;}

/* related cards */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--ink-700);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,8,18,.1) 30%,rgba(11,8,18,.85) 100%);
}
.card-cat{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(11,8,18,.72);border:1px solid var(--line-strong);color:var(--t1);
  backdrop-filter:blur(4px);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{
  font-size:18px;font-weight:700;line-height:1.45;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:#FFD9E2;}
.card-text{
  font-size:14px;line-height:1.8;color:var(--t3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.card-foot .arrow{transition:transform .2s var(--ease);color:var(--brand-500);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* CTA */
.cta-band{
  border-radius:var(--r-lg);padding:2px;
  background:linear-gradient(135deg,rgba(255,46,99,.7),rgba(255,122,47,.5),rgba(255,194,75,.45));
}
.cta-inner{
  border-radius:22px;background:var(--ink-800);
  padding:32px 24px;
  display:flex;flex-direction:column;gap:24px;
}
@media (min-width:900px){
  .cta-inner{padding:40px;flex-direction:row;align-items:center;justify-content:space-between;}
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:var(--t1);}
.cta-inner p{font-size:15px;color:var(--t3);margin-top:10px;max-width:52ch;}
.cta-form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:440px;}
@media (min-width:640px){.cta-form{flex-direction:row;}}
.cta-form input{
  flex:1;min-height:48px;padding:14px 16px;border-radius:12px;
  background:var(--ink-750);border:1px solid var(--line);color:var(--t1);
}
.cta-form input::placeholder{color:var(--t3);}
.cta-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,46,99,.25);outline:none;}

/* footer */
.site-footer{
  margin-top:40px;padding-top:56px;
  border-top:1px solid var(--line);position:relative;background:var(--ink-900);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-brand);opacity:.75;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:repeat(4,1fr);gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#1B0714;}
.footer-brand .brand-text{font-size:16px;font-weight:800;color:var(--t1);}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:var(--t3);}
.footer-links a:hover{color:var(--brand-500);}
.footer-text{font-size:14px;line-height:1.8;color:var(--t3);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 32px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:14px;
  background:rgba(20,16,32,.9);border:1px solid var(--line-strong);color:var(--t1);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);border-color:rgba(255,122,47,.6);}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0812;
  --ink-800:#141020;
  --ink-750:#181328;
  --ink-700:#1D1830;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --brand-500:#FF2E63;
  --brand-600:#E11B52;
  --grad-brand:linear-gradient(135deg,#FF2E63 0%,#FF7A2F 55%,#FFC24B 100%);
  --accent-500:#4FE0C0;
  --amber-400:#FFC24B;
  --t1:#FFFFFF;
  --t2:#C9C2DC;
  --t3:#8B83A6;
  --ok:#4FE0C0;
  --warn:#FFB020;
  --err:#FF5A5A;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 6px 24px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(255,46,99,.20);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,46,99,.35);border-radius:8px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-title{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:clamp(24px,3.4vw,38px);
  line-height:1.2;
  font-weight:800;
  color:var(--t1);
  letter-spacing:-.01em;
}
.section-title::before{
  content:"";
  width:4px;height:24px;border-radius:4px;
  background:var(--grad-brand);
  flex:0 0 auto;
}
.section-desc{font-size:15px;color:var(--t3);max-width:640px;line-height:1.8;}
.eyebrow{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--brand-500);
  font-weight:700;
  text-transform:uppercase;
}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(11,8,18,.72);
  border-bottom:1px solid transparent;
  transition:background .24s cubic-bezier(.2,.8,.2,1),border-color .24s cubic-bezier(.2,.8,.2,1);
}
.site-header.is-scrolled{
  background:rgba(11,8,18,.92);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .24s cubic-bezier(.2,.8,.2,1);}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:var(--radius-sm);
  background:var(--grad-brand);
  color:#1A0A12;font-weight:900;font-size:14px;
  display:grid;place-items:center;letter-spacing:.02em;
}
.brand-text{color:#fff;font-weight:800;font-size:17px;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;
  color:var(--t2);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  transition:color .2s cubic-bezier(.2,.8,.2,1);
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s cubic-bezier(.2,.8,.2,1);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(.6);}
.nav-link.is-active{color:#fff;font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s cubic-bezier(.2,.8,.2,1),box-shadow .18s cubic-bezier(.2,.8,.2,1),background .18s,border-color .18s,color .18s;
}
.btn-primary{background:var(--grad-brand);color:#1A0A12;box-shadow:0 6px 18px rgba(255,46,99,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,46,99,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,122,47,.6);transform:translateY(-2px);}
.btn-text{background:none;border:0;color:#fff;font-weight:700;padding:8px 0;min-height:44px;display:inline-flex;align-items:center;gap:6px;}
.btn-text span{transition:transform .2s cubic-bezier(.2,.8,.2,1);}
.btn-text:hover{color:var(--brand-500);}
.btn-text:hover span{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
  transition:transform .2s cubic-bezier(.2,.8,.2,1);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:65;
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:20px;
  transform:translateY(-10px);
  opacity:0;pointer-events:none;
  transition:opacity .22s cubic-bezier(.2,.8,.2,1),transform .22s cubic-bezier(.2,.8,.2,1);
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;color:var(--t2);font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:#fff;font-weight:700;}
.drawer-link::after{content:"›";color:var(--t3);font-size:20px;line-height:1;}
.drawer-cta{margin-top:20px;display:block;}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}
/* ---------- 次级 Hero ---------- */
.page-hero{
  position:relative;
  display:flex;align-items:center;
  min-height:320px;
  padding:56px 0;
  background-image:
    linear-gradient(100deg,rgba(11,8,18,.95) 0%,rgba(11,8,18,.82) 46%,rgba(11,8,18,.58) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
@media (min-width:1024px){.page-hero{min-height:460px;padding:72px 0;}}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(to bottom,rgba(11,8,18,0),var(--ink-900));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero-title{
  margin-top:14px;
  font-size:clamp(34px,6vw,58px);
  font-weight:900;line-height:1.08;letter-spacing:-.02em;
  color:#fff;
}
.hero-title em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:clamp(15px,2vw,17px);line-height:1.85;color:var(--t2);max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex:0 0 auto;}
.badge-num{font-size:20px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1;}
.badge-label{font-size:12px;color:var(--t3);letter-spacing:.02em;}
/* ---------- 说明条 ---------- */
.notice-bar{
  display:grid;gap:16px;grid-template-columns:1fr;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
}
@media (min-width:768px){.notice-bar{grid-template-columns:repeat(3,1fr);padding:28px 32px;}}
.notice-item{display:flex;gap:12px;align-items:flex-start;}
.notice-icon{
  width:36px;height:36px;flex:0 0 auto;border-radius:10px;
  background:rgba(255,46,99,.12);
  border:1px solid rgba(255,46,99,.28);
  display:grid;place-items:center;color:var(--brand-500);font-weight:800;font-size:13px;
}
.notice-title{color:#fff;font-weight:700;font-size:15px;}
.notice-text{font-size:13px;color:var(--t3);line-height:1.75;}
/* ---------- 置顶大卡 ---------- */
.feature-card{
  display:grid;grid-template-columns:1fr;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s cubic-bezier(.2,.8,.2,1),border-color .24s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
@media (min-width:900px){.feature-card{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);}}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1);}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,8,18,.85),rgba(11,8,18,.05) 60%);
}
.feature-body{padding:28px;display:flex;flex-direction:column;gap:16px;justify-content:center;}
@media (min-width:900px){.feature-body{padding:40px;}}
.feature-title{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:#fff;line-height:1.35;}
.feature-text{font-size:15px;line-height:1.85;color:var(--t2);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--t2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.tag-cat{
  position:absolute;left:14px;top:14px;z-index:3;
  padding:6px 14px;border-radius:999px;
  background:rgba(11,8,18,.72);
  border:1px solid var(--line-strong);
  color:#fff;font-size:12px;letter-spacing:.02em;
  backdrop-filter:blur(6px);
}
/* ---------- 流程步骤 ---------- */
.steps{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
  transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s,border-color .22s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.step-num{
  width:42px;height:42px;border-radius:var(--radius-sm);
  background:var(--grad-brand);color:#1A0A12;
  font-weight:900;font-size:16px;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step-title{color:#fff;font-weight:700;font-size:17px;margin-bottom:8px;line-height:1.4;}
.step-text{font-size:14px;color:var(--t3);line-height:1.8;}
/* ---------- 卡片网格 ---------- */
.cards-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:640px){.cards-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cards-grid{grid-template-columns:repeat(3,1fr);}}
@media (min-width:1280px){.cards-grid{grid-template-columns:repeat(4,1fr);}}
.media-card{
  display:flex;flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s cubic-bezier(.2,.8,.2,1),border-color .24s;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.media-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-700);}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1);}
.media-card:hover .media-thumb img{transform:scale(1.05);}
.media-badge{
  position:absolute;right:12px;bottom:12px;z-index:3;
  padding:5px 12px;border-radius:999px;
  background:rgba(11,8,18,.75);border:1px solid var(--line-strong);
  color:var(--accent-500);font-size:12px;font-variant-numeric:tabular-nums;
}
.media-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.media-title{font-size:17px;font-weight:700;color:#fff;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-desc{font-size:14px;color:var(--t3);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.media-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);flex:0 0 auto;}
/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:44px;}
.page-link{
  min-width:44px;height:44px;padding:0 18px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);
  color:var(--t2);font-size:14px;
  transition:color .2s,border-color .2s,background .2s;
}
.page-link:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.05);}
.page-link.is-current{background:var(--grad-brand);color:#1A0A12;font-weight:800;border-color:transparent;}
.page-link.is-disabled{opacity:.4;pointer-events:none;}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:16px;grid-template-columns:1fr;}
@media (min-width:1024px){.faq-wrap{grid-template-columns:repeat(2,1fr);align-items:start;}}
.faq-item{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s,background .2s;
}
.faq-item.is-open{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  background:none;border:0;text-align:left;
  padding:20px;color:#fff;font-size:16px;font-weight:700;line-height:1.5;
  min-height:44px;
}
.faq-num{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  background:var(--grad-brand);color:#1A0A12;
  display:grid;place-items:center;font-size:13px;font-weight:900;
  font-variant-numeric:tabular-nums;
}
.faq-sign{margin-left:auto;color:var(--t3);font-size:20px;line-height:1;transition:transform .2s cubic-bezier(.2,.8,.2,1),color .2s;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);color:var(--brand-500);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s cubic-bezier(.2,.8,.2,1);
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{padding:0 20px 22px 64px;font-size:15px;line-height:1.85;color:var(--t2);}
@media (max-width:520px){.faq-a-inner{padding-left:20px;}}
/* ---------- CTA ---------- */
.cta-panel{
  display:grid;gap:28px;grid-template-columns:1fr;
  padding:32px;border-radius:var(--radius-lg);
  border:1px solid transparent;
  background:linear-gradient(var(--ink-800),var(--ink-800)) padding-box,var(--grad-brand) border-box;
}
@media (min-width:1024px){.cta-panel{grid-template-columns:1.15fr 1fr;align-items:center;padding:48px;}}
.cta-title{font-size:clamp(22px,3vw,32px);font-weight:800;color:#fff;line-height:1.3;}
.cta-text{margin-top:12px;font-size:15px;color:var(--t2);line-height:1.85;}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;}
.subscribe-form input{
  flex:1 1 220px;min-height:48px;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--ink-750);
  border:1px solid var(--line);
  color:#fff;font-size:15px;
  transition:border-color .2s,box-shadow .2s;
}
.subscribe-form input::placeholder{color:var(--t3);}
.subscribe-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,46,99,.22);}
.form-tip{font-size:13px;color:var(--t3);margin-top:12px;line-height:1.7;}
/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:64px;
  background:var(--ink-800);
  border-top:1px solid var(--line);
}
@media (min-width:1024px){.site-footer{margin-top:96px;}}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-brand);opacity:.65;
}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;padding:56px 0 40px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);padding:64px 0 48px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-title{font-size:14px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-text{font-size:14px;color:var(--t3);line-height:1.85;max-width:340px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  display:block;padding:7px 0;font-size:14px;color:var(--t2);
  transition:color .2s,transform .2s;
}
.footer-links a:hover{color:var(--brand-500);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);
  padding:20px 0 32px;
  font-size:13px;color:var(--t3);
  line-height:1.7;
}
/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:60;
  width:46px;height:46px;border-radius:50%;
  background:var(--ink-700);border:1px solid var(--line-strong);
  color:#fff;font-size:18px;
  display:none;align-items:center;justify-content:center;
  transition:background .2s,transform .2s,box-shadow .2s;
}
.to-top.is-show{display:inline-flex;}
.to-top:hover{background:var(--brand-600);transform:translateY(-3px);box-shadow:0 10px 28px rgba(255,46,99,.35);}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B0812;
  --ink-800:#141020;
  --ink-700:#1D1830;
  --ink-750:#181328;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand-500:#FF2E63;
  --brand-600:#E11B52;
  --grad-brand:linear-gradient(135deg,#FF2E63 0%,#FF7A2F 55%,#FFC24B 100%);
  --accent-500:#4FE0C0;
  --amber-400:#FFC24B;
  --t1:#FFFFFF;
  --t2:#C9C2DC;
  --t3:#8B83A6;
  --ok:#4FE0C0;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 6px 24px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(255,46,99,.20);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:transparent;border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-scrolled{background:rgba(11,8,18,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:76px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;font-size:13px;font-weight:900;color:#2A0512;letter-spacing:.02em;box-shadow:0 6px 18px rgba(255,46,99,.35);flex:0 0 auto}
.brand-text{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:.01em;white-space:nowrap}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:500;color:var(--t2);transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:8px;height:2px;width:0;border-radius:2px;background:var(--grad-brand);transition:width .24s var(--ease)}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{width:60%}
.nav-link.is-active{color:var(--t1)}
.nav-link.is-active::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;background:var(--grad-brand);color:#2A0512;font-weight:700;font-size:14px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,46,99,.35);filter:brightness(1.06)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);color:var(--t1);cursor:pointer;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--t1)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;background:var(--ink-800);padding:20px;transform:translateX(102%);transition:transform .28s var(--ease);overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;border-bottom:1px solid var(--line);color:var(--t2);font-size:15px;font-weight:500}
.mobile-drawer a.is-active{color:var(--t1)}
.mobile-drawer a::after{content:"›";color:var(--t3);font-size:18px}
.mobile-drawer .drawer-cta{margin-top:22px;justify-content:center;border:0;border-radius:12px;background:var(--grad-brand);color:#2A0512;font-weight:700}
.mobile-drawer .drawer-cta::after{content:""}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:grid}
}

/* ---------- 压缩 Hero ---------- */
.hero-compact{position:relative;overflow:hidden;background:var(--ink-900);padding:126px 0 52px}
.hero-compact::before{content:"";position:absolute;top:-360px;right:-200px;width:760px;height:760px;border-radius:50%;background:radial-gradient(circle,rgba(255,46,99,.32),transparent 62%);pointer-events:none}
.hero-compact::after{content:"";position:absolute;left:-200px;bottom:-340px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,47,.20),transparent 64%);pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:760px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;letter-spacing:.02em}
.crumb a{color:var(--t3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .current{color:var(--t3);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--t3);margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.hero-title{font-size:clamp(30px,4.8vw,54px);font-weight:900;line-height:1.12;letter-spacing:-.02em;color:var(--t1)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--t2);max-width:660px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.data-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.data-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex:0 0 auto}
.data-badge .num{font-size:20px;font-weight:800;color:var(--t1);line-height:1;font-variant-numeric:tabular-nums}
.data-badge .label{font-size:12px;color:var(--t3);letter-spacing:.02em}

/* ---------- 区块通用 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section--tight{padding:40px 0}
@media (min-width:1024px){.section--tight{padding:56px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-title{position:relative;padding-left:16px;font-size:clamp(24px,3.4vw,38px);font-weight:800;line-height:1.2;color:var(--t1);letter-spacing:-.01em}
.section-title::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:24px;border-radius:2px;background:var(--grad-brand)}
.section-desc{margin-top:14px;font-size:15px;color:var(--t2);max-width:660px}

/* ---------- 筛选标签 ---------- */
.chips{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 18px;scrollbar-width:none;-ms-overflow-style:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;min-height:44px;padding:0 20px;display:inline-flex;align-items:center;border-radius:999px;border:1px solid var(--line-strong);background:transparent;color:var(--t2);font-size:14px;cursor:pointer;transition:all .22s var(--ease)}
.chip:hover{color:var(--t1);border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.05)}
.chip.is-active{background:var(--grad-brand);border-color:transparent;color:#2A0512;font-weight:700}

/* ---------- 列表 + 侧栏 ---------- */
.listing-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){
  .listing-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start}
}
.item-list{border-top:1px solid var(--line)}
.list-item{position:relative;display:flex;gap:18px;padding:20px 14px;border-bottom:1px solid var(--line);transition:background .22s var(--ease)}
.list-item::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease)}
.list-item:hover{background:rgba(255,255,255,.04)}
.list-item:hover::before{opacity:1}
.thumb{flex:0 0 120px;width:120px;height:80px;border-radius:12px;overflow:hidden;background:var(--ink-700);border:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.list-item:hover .thumb img{transform:scale(1.05)}
.item-body{min-width:0;flex:1}
.item-title{font-size:17px;font-weight:700;line-height:1.4;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-desc{margin-top:6px;font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--t3)}
.meta-pill{padding:3px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:12px;color:var(--t2)}
@media (max-width:520px){
  .list-item{gap:14px;padding:16px 12px}
  .thumb{flex:0 0 92px;width:92px;height:68px}
  .item-title{font-size:16px}
  .item-desc{-webkit-line-clamp:3}
}
.filter-empty{margin-top:20px;padding:24px;border-radius:var(--r-md);border:1px dashed var(--line-strong);background:rgba(255,255,255,.03);text-align:center;font-size:14px;color:var(--t3)}
.list-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.side-card{padding:22px;border-radius:var(--r-md);background:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-card)}
.side-card + .side-card{margin-top:20px}
.side-title{position:relative;padding-left:14px;font-size:16px;font-weight:700;color:var(--t1);line-height:1.4;margin-bottom:16px}
.side-title::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:16px;border-radius:2px;background:var(--grad-brand)}
.check-list li{position:relative;padding-left:24px;margin-bottom:12px;font-size:14px;line-height:1.72;color:var(--t2)}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--grad-brand)}
.status-list li{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:14px;line-height:1.72;color:var(--t2)}
.status-list li:last-child{margin-bottom:0}
.status-dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;margin-top:8px}
.status-dot.ok{background:var(--ok)}
.status-dot.warn{background:var(--warn)}
.status-dot.err{background:var(--err)}
.status-list b{color:var(--t1);font-weight:700}
.side-mail{margin-top:16px;font-size:13px;color:var(--t3);line-height:1.75;word-break:break-all}
.side-card .btn{margin-top:16px;width:100%}

/* ---------- 步骤 ---------- */
.flow-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.flow-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.flow-grid{grid-template-columns:repeat(4,1fr)}}
.flow-step{padding:24px;border-radius:var(--r-md);background:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.step-num{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--grad-brand);color:#2A0512;font-size:14px;font-weight:900;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step-title{font-size:17px;font-weight:700;color:var(--t1);line-height:1.4;margin-bottom:8px}
.step-text{font-size:14px;line-height:1.78;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:1024px){.faq-list{grid-template-columns:repeat(2,1fr)}}
.faq-item{border-radius:var(--r-md);border:1px solid var(--line);background:var(--ink-800);overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-q{display:flex;align-items:center;gap:14px;width:100%;min-height:56px;padding:16px 20px;background:none;border:0;color:var(--t1);font-size:16px;font-weight:700;text-align:left;line-height:1.5;cursor:pointer}
.faq-num{display:grid;place-items:center;flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:13px;font-weight:800;color:var(--t2);font-variant-numeric:tabular-nums}
.faq-icon{position:relative;flex:0 0 auto;margin-left:auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--t2);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform .22s var(--ease)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 20px 20px 62px;font-size:15px;line-height:1.8;color:var(--t2)}
@media (max-width:520px){.faq-a p{padding:0 20px 20px 20px}}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line-strong);background:var(--ink-800);padding:34px 24px;box-shadow:var(--shadow-card)}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,46,99,.18),transparent 58%);pointer-events:none}
.cta-band::after{content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,194,75,.16),transparent 66%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:900px){.cta-inner{grid-template-columns:1.1fr 1fr;align-items:center;gap:40px}}
@media (min-width:1024px){.cta-band{padding:48px 44px}}
.cta-title{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.25;color:var(--t1)}
.cta-sub{margin-top:12px;font-size:15px;color:var(--t2)}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.input{flex:1 1 220px;min-height:48px;padding:12px 16px;border-radius:var(--r-sm);background:var(--ink-750);border:1px solid var(--line);color:var(--t1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.input::placeholder{color:var(--t3)}
.input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,46,99,.25)}
.form-note{margin-top:12px;font-size:13px;color:var(--t3);line-height:1.7;min-height:20px}
@media (max-width:639px){
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 24px;border-radius:var(--r-sm);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease)}
.btn-primary{background:var(--grad-brand);color:#2A0512}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,46,99,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--t1)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.34);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:72px;padding-top:56px;background:var(--ink-800);border-top:1px solid var(--line)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:12px}
.footer-brand .brand-text{font-size:16px}
.footer-title{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:16px}
.footer-text{font-size:14px;line-height:1.8;color:var(--t3)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--t2);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-links a:hover{color:var(--brand-500);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-top:44px;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--t3)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:20px;bottom:24px;z-index:50;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);background:rgba(20,16,32,.92);color:var(--t1);font-size:16px;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease)}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px);border-color:var(--brand-500)}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}