/* roulang page: index */
:root{--bg-base:#0F1117;--bg-elev:#171B24;--bg-card:#1B202B;--border:rgba(255,255,255,.08);--brand:#7C5CFF;--brand-hover:#9678FF;--accent:#FF6B5E;--accent-hover:#FF8578;--success:#9BE564;--text-1:#F0F2F5;--text-2:#AEB6C2;--text-3:#6D7684;--radius:14px;--radius-sm:8px;--shadow-card:0 8px 24px rgba(0,0,0,.35);--shadow-hover:0 12px 32px rgba(0,0,0,.5),0 0 0 1px rgba(124,92,255,.2);--fs-heading:clamp(30px,4.5vw,48px);--fs-section:clamp(22px,2.5vw,28px);--font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;--transition:.25s ease}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-stack);background:var(--bg-base);color:var(--text-1);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color var(--transition)}a:hover{color:var(--brand)}img{max-width:100%;display:block}button,input,select,textarea{font-family:inherit}button{cursor:pointer}ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
/* 区块间距 */
.section{padding:64px 0}@media(min-width:768px){.section{padding:96px 0}}
/* 区块标题 */
.section-head{display:flex;align-items:baseline;gap:12px;margin-bottom:28px;flex-wrap:wrap}
.section-head::before{content:"";width:4px;height:24px;background:var(--brand);border-radius:2px;align-self:center;flex-shrink:0}
.section-title{font-size:var(--fs-section);font-weight:800;line-height:1.3;margin:0;color:var(--text-1)}
.section-sub{font-size:14px;color:var(--text-2);margin:0;flex-basis:100%;padding-left:16px}
/* 按钮 */
.btn{border-radius:10px;padding:10px 24px;font-weight:600;font-size:15px;border:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background var(--transition),transform var(--transition),box-shadow var(--transition),border-color var(--transition);line-height:1.5;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-hover);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);color:#fff}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand);color:#fff;background:rgba(124,92,255,.08)}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:8px}
.btn-lg{padding:14px 36px;font-size:16px;border-radius:12px}
/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:1000;height:72px;background:rgba(23,27,36,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;text-decoration:none}
.brand:hover{color:inherit}
.brand-icon{width:34px;height:34px;border-radius:8px;background:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-icon svg{width:18px;height:18px;fill:#fff}
.brand-text{font-size:20px;font-weight:800;color:var(--text-1);letter-spacing:.5px;white-space:nowrap}
.brand-badge{font-size:11px;font-weight:500;background:rgba(124,92,255,.18);color:var(--brand);padding:2px 8px;border-radius:6px;white-space:nowrap}
.header-search{flex:1;max-width:480px;min-width:0;position:relative;margin:0 16px}
.header-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;fill:var(--text-3);pointer-events:none}
.header-search input{width:100%;height:44px;border-radius:22px;background:var(--bg-card);border:1px solid var(--border);padding:0 18px 0 44px;color:var(--text-1);font-size:14px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}
.header-search input::placeholder{color:var(--text-3)}
.header-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(124,92,255,.18)}
.header-nav{display:flex;align-items:center;gap:20px;flex-shrink:0}
.header-nav .nav-link{font-size:14px;font-weight:500;color:var(--text-2);text-decoration:none;transition:color var(--transition);white-space:nowrap}
.header-nav .nav-link:hover{color:var(--brand)}
.header-nav .nav-link.active{color:var(--text-1);position:relative}
.header-nav .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-18px;height:2px;background:var(--brand);border-radius:2px}
.mobile-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;flex-shrink:0}
.mobile-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}
.mobile-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.mobile-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.mobile-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{background:var(--bg-elev);border-top:1px solid var(--border);padding:16px 24px 24px;display:none}
.mobile-menu.open{display:block}
.mobile-search{margin-bottom:14px}
.mobile-search .header-search{max-width:none;margin:0}
.mobile-link{display:block;padding:12px 4px;font-size:15px;font-weight:500;color:var(--text-1);border-bottom:1px solid var(--border);text-decoration:none}
.mobile-link:last-of-type{border-bottom:none}
.mobile-link:hover{color:var(--brand);padding-left:8px}
/* ===== Hero ===== */
.hero{position:relative;min-height:560px;display:flex;align-items:center;padding:80px 0 48px;overflow:hidden;background-size:cover;background-position:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0F1117 25%,rgba(15,17,23,.88) 50%,rgba(15,17,23,.4) 100%);z-index:1}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:620px}
.hero h1{font-size:var(--fs-heading);font-weight:900;line-height:1.2;margin:0 0 20px;color:var(--text-1);letter-spacing:.5px}
.hero-sub{font-size:17px;line-height:1.7;color:var(--text-2);margin:0 0 32px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stat{display:flex;flex-direction:column}
.hero-stat .num{font-size:28px;font-weight:800;color:var(--text-1);line-height:1.2}
.hero-stat .label{font-size:13px;color:var(--text-3);margin-top:4px}
/* ===== 横滑区 ===== */
.h-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:20px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--brand) var(--bg-elev)}
.h-scroll::-webkit-scrollbar{height:6px}
.h-scroll::-webkit-scrollbar-track{background:var(--bg-elev);border-radius:3px}
.h-scroll::-webkit-scrollbar-thumb{background:var(--brand);border-radius:3px}
.h-card{flex:0 0 260px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.h-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(124,92,255,.25)}
.h-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev)}
.h-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.h-card:hover .cover img{transform:scale(1.04)}
.h-card .cover .tag{position:absolute;top:12px;left:12px;font-size:12px;font-weight:600;background:rgba(15,17,23,.75);color:var(--text-1);border:1px solid var(--border);padding:3px 10px;border-radius:6px;backdrop-filter:blur(4px)}
.h-card-body{padding:16px}
.h-card-title{font-size:17px;font-weight:700;color:var(--text-1);margin:0 0 8px;line-height:1.4}
.h-card-desc{font-size:13px;color:var(--text-3);line-height:1.6;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.h-card-link{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--brand);text-decoration:none}
.h-card-link svg{width:14px;height:14px;fill:currentColor;transition:transform var(--transition)}
.h-card-link:hover{color:var(--brand-hover)}
.h-card-link:hover svg{transform:translateX(4px)}
/* 小卡片（片单横滑） */
.mini-card{flex:0 0 220px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(124,92,255,.25)}
.mini-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev)}
.mini-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mini-card:hover .cover img{transform:scale(1.04)}
.mini-card .cover .zone{position:absolute;bottom:10px;left:10px;font-size:11px;font-weight:600;background:rgba(124,92,255,.85);color:#fff;padding:2px 8px;border-radius:5px}
.mini-card-body{padding:14px}
.mini-card-title{font-size:15px;font-weight:700;color:var(--text-1);margin:0 0 4px;line-height:1.4}
.mini-card-meta{font-size:12px;color:var(--text-3)}
/* ===== 热播推荐 ===== */
.hot-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);height:100%;display:flex;flex-direction:column}
.hot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(124,92,255,.25)}
.hot-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev)}
.hot-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.hot-card:hover .cover img{transform:scale(1.04)}
.hot-badge{position:absolute;top:10px;right:10px;font-size:12px;font-weight:700;background:var(--accent);color:#fff;padding:3px 10px;border-radius:20px;box-shadow:0 4px 12px rgba(255,107,94,.35)}
.hot-card-body{padding:16px;flex:1;display:flex;flex-direction:column}
.hot-card-title{font-size:18px;font-weight:700;color:var(--text-1);margin:0 0 8px;line-height:1.4}
.hot-card-desc{font-size:13px;color:var(--text-2);line-height:1.65;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.hot-card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border)}
.hot-card-heat{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px}
.hot-card-heat svg{width:14px;height:14px;fill:var(--accent)}
.hot-card-link{font-size:14px;font-weight:600;color:var(--brand);text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.hot-card-link svg{width:14px;height:14px;fill:currentColor;transition:transform var(--transition)}
.hot-card-link:hover{color:var(--brand-hover)}
.hot-card-link:hover svg{transform:translateX(4px)}
/* ===== 最新动态（CMS） ===== */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:flex;gap:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(124,92,255,.25)}
.news-thumb{flex:0 0 96px;height:72px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-elev);display:flex;align-items:center;justify-content:center}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-thumb .fallback{font-size:24px;font-weight:800;color:var(--text-3)}
.news-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
.news-title{font-size:16px;font-weight:700;color:var(--text-1);margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--transition)}
.news-title:hover{color:var(--brand)}
.news-summary{font-size:13px;color:var(--text-2);margin:0 0 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.news-cat{font-size:12px;background:rgba(124,92,255,.15);color:var(--brand);padding:2px 8px;border-radius:6px;font-weight:500}
.news-time{font-size:12px;color:var(--text-3)}
.news-link{font-size:13px;font-weight:600;color:var(--brand);text-decoration:none;margin-left:auto;white-space:nowrap}
.news-link:hover{color:var(--brand-hover)}
.news-empty{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;color:var(--text-2);font-size:15px;background:rgba(27,32,43,.4)}
/* ===== 平台 CTA ===== */
.platform-cta{padding:80px 0;position:relative}
@media(min-width:768px){.platform-cta{padding:120px 0}}
.cta-box{border:2px dashed rgba(124,92,255,.35);border-radius:20px;padding:48px 32px;text-align:center;background:linear-gradient(135deg,rgba(124,92,255,.06) 0%,rgba(15,17,23,.4) 100%);position:relative;overflow:hidden}
@media(min-width:768px){.cta-box{padding:72px 48px}}
.cta-box::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:rgba(124,92,255,.08);border-radius:50%;pointer-events:none}
.cta-box::after{content:"";position:absolute;bottom:-80px;left:-40px;width:160px;height:160px;background:rgba(255,107,94,.06);border-radius:50%;pointer-events:none}
.cta-box h2{font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--text-1);margin:0 0 16px;letter-spacing:.5px;position:relative;z-index:1}
.cta-box p{font-size:15px;color:var(--text-2);margin:0 0 28px;position:relative;z-index:1}
.cta-box .btn{position:relative;z-index:1}
/* ===== FAQ ===== */
.faq-wrap{max-width:760px;margin:0 auto}
.accordion-item{background:var(--bg-card)!important;border:1px solid var(--border)!important;border-radius:12px!important;margin-bottom:14px;overflow:hidden}
.accordion-item:first-of-type,.accordion-item:last-of-type{border-radius:12px!important}
.accordion-button{background:var(--bg-card);color:var(--text-1);font-size:16px;font-weight:600;padding:18px 22px;box-shadow:none!important;transition:background var(--transition),color var(--transition)}
.accordion-button:not(.collapsed){background:rgba(124,92,255,.08);color:var(--brand)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(124,92,255,.18)!important}
.accordion-button::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23AEB6C2' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");background-size:16px;transition:transform var(--transition)}
.accordion-button:not(.collapsed)::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%237C5CFF' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E")}
.accordion-body{color:var(--text-2);font-size:14px;line-height:1.75;padding:0 22px 18px;background:var(--bg-card)}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg-elev);border-top:1px solid var(--border)}
.footer-main{padding:48px 0 32px}
.footer-brand{font-size:18px;font-weight:800;color:var(--text-1);display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-desc{font-size:13px;color:var(--text-3);line-height:1.7;margin:0 0 16px;max-width:260px}
.footer-title{font-size:15px;font-weight:700;color:var(--text-1);margin:0 0 16px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:var(--text-2);text-decoration:none;transition:color var(--transition)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--border);padding:16px 0;font-size:12px;color:var(--text-3);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
/* ===== 通用卡片 hover focus ===== */
a:focus-visible,button:focus-visible,input:focus-visible,input[type="search"]:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
/* ===== 响应式 ===== */
@media(max-width:1199px){.header-nav{gap:14px}.header-nav .nav-link{font-size:13px}}
@media(max-width:991px){.header-nav .nav-link{display:none}.mobile-toggle{display:flex}.header-search.desktop-only{display:none}}
@media(max-width:767px){.hero{min-height:480px;padding-top:60px}.hero h1{font-size:30px}.hero-sub{font-size:15px}.hero-actions{gap:12px;margin-bottom:32px}.hero-stats{gap:24px}.section{padding:56px 0}.cta-box{padding:40px 20px}.news-item{flex-direction:row;padding:12px}.news-thumb{flex:0 0 72px;height:56px}.news-summary{white-space:normal;-webkit-line-clamp:2;overflow:hidden}}
@media(max-width:575px){.brand-text{font-size:17px}.brand-badge{display:none}.header-inner{gap:12px}.h-card{flex-basis:240px}.mini-card{flex-basis:190px}.footer-bottom{flex-direction:column;justify-content:center;text-align:center}}

/* roulang page: category1 */
:root {
  --bg-base: #0F1117;
  --bg-elev: #171B24;
  --bg-card: #1B202B;
  --border: rgba(255,255,255,0.08);
  --brand: #7C5CFF;
  --brand-hover: #9678FF;
  --accent: #FF6B5E;
  --success: #9BE564;
  --text-1: #F0F2F5;
  --text-2: #AEB6C2;
  --text-3: #6D7684;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(124,92,255,0.2);
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-1);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}

a:hover {
  color: var(--brand-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 按钮 ===== */
.btn {
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  padding: 10px 24px;
  font-size: 15px;
  line-height: 1.5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.18);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.btn-accent:hover {
  background: #FF8A7E;
  color: #fff;
}

.btn-accent:active {
  transform: translateY(1px);
}

.btn-brand {
  background: var(--brand);
  color: #fff;
  border-color: transparent;
}

.btn-brand:hover {
  background: var(--brand-hover);
  color: #fff;
}

.btn-brand:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--text-1);
  background: rgba(124, 92, 255, 0.06);
}

.btn-ghost:active {
  transform: translateY(1px);
}

.btn-sm {
  padding: 6px 18px;
  font-size: 14px;
}

.btn-lg {
  padding: 13px 34px;
  font-size: 16px;
  border-radius: 12px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(23, 27, 36, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-icon svg {
  width: 16px;
  height: 16px;
  fill: #fff;
}

.brand-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: 0.2px;
}

.brand-badge {
  font-size: 11px;
  line-height: 1;
  padding: 4px 7px;
  border-radius: 6px;
  background: rgba(155, 229, 100, 0.15);
  color: var(--success);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.header-search {
  position: relative;
  flex: 1;
  max-width: 440px;
  margin: 0 auto;
}

.header-search .search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  fill: var(--text-3);
  pointer-events: none;
  transition: fill var(--transition);
}

.header-search input {
  width: 100%;
  height: 44px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-1);
  font-size: 14px;
  padding: 0 20px 0 42px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.header-search input::placeholder {
  color: var(--text-3);
}

.header-search input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.18);
  background: var(--bg-elev);
}

.header-search input:focus + .search-icon {
  fill: var(--brand);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 2px;
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--brand);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--brand-hover);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--text-1);
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  border: none;
  background: transparent;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-1);
  transition: background var(--transition);
}

.mobile-toggle:hover span {
  background: var(--brand-hover);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}

.mobile-menu.show {
  display: flex;
}

.mobile-search {
  width: 100%;
  max-width: none;
  margin-bottom: 14px;
}

.mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mobile-link:hover {
  color: var(--brand-hover);
}

.mobile-link.active {
  color: var(--text-1);
  font-weight: 600;
}

/* ===== 分类页 Hero ===== */
.category-hero {
  min-height: 260px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  padding: 52px 0 44px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,17,23,0.95) 0%, rgba(15,17,23,0.78) 45%, rgba(15,17,23,0.55) 100%);
  z-index: 1;
}

.category-hero .container {
  position: relative;
  z-index: 2;
}

.category-hero h1 {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 900;
  color: var(--text-1);
  margin: 0 0 10px;
  line-height: 1.2;
  letter-spacing: 0.2px;
}

.category-hero .hero-sub {
  font-size: 16px;
  color: var(--text-2);
  max-width: 680px;
  margin-bottom: 18px;
  line-height: 1.7;
}

.hero-breadcrumb {
  font-size: 13px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.hero-breadcrumb a {
  color: var(--text-3);
}

.hero-breadcrumb a:hover {
  color: var(--brand-hover);
}

.hero-breadcrumb .bc-sep {
  opacity: 0.6;
}

.hero-breadcrumb .bc-current {
  color: var(--text-2);
}

/* ===== 区块标题 ===== */
.section-block {
  padding: 80px 0;
}

.section-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 28px;
}

.section-head .head-line {
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: var(--brand);
  margin-top: 4px;
  flex-shrink: 0;
}

.section-head .head-group h2 {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--text-1);
  margin: 0;
  line-height: 1.3;
}

.section-head .head-group .head-sub {
  font-size: 14px;
  color: var(--text-2);
  margin: 6px 0 0;
  line-height: 1.6;
}

/* ===== 分类卡片 ===== */
.category-card-row {
  row-gap: 24px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(124, 92, 255, 0.3);
}

.cat-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

.cat-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.category-card:hover .cat-media img {
  transform: scale(1.04);
}

.cat-media .cat-heat {
  position: absolute;
  right: 12px;
  bottom: 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 12px;
  background: rgba(15, 17, 23, 0.75);
  border: 1px solid var(--border);
  color: var(--text-2);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.cat-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: rgba(124, 92, 255, 0.15);
  border-radius: 6px;
  padding: 4px 9px;
  width: fit-content;
  margin-bottom: 10px;
}

.cat-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 8px;
  line-height: 1.4;
}

.cat-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin: 0 0 16px;
  flex: 1;
}

.cat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.cat-tags .tag {
  font-size: 12px;
  color: var(--text-3);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
}

.cat-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cat-actions .btn {
  padding: 7px 18px;
  font-size: 13px;
}

.cat-actions .btn-ghost {
  border-color: rgba(124, 92, 255, 0.45);
  color: var(--brand);
  background: rgba(124, 92, 255, 0.08);
}

.cat-actions .btn-ghost:hover {
  background: rgba(124, 92, 255, 0.18);
  border-color: var(--brand-hover);
  color: var(--text-1);
}

/* ===== 游戏列表 ===== */
.game-list-section {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
}

.game-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.game-row {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.game-row:hover {
  border-color: rgba(124, 92, 255, 0.35);
  background: var(--bg-elev);
  transform: translateX(4px);
}

.game-index {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-3);
  width: 32px;
  flex-shrink: 0;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.game-row:nth-child(-n+3) .game-index {
  color: var(--accent);
}

.game-name-box {
  flex: 1;
  min-width: 0;
}

.game-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.game-tags .tag {
  font-size: 11px;
  color: var(--text-3);
  background: rgba(255,255,255,0.06);
  border-radius: 5px;
  padding: 2px 7px;
  line-height: 1.6;
}

.game-stats {
  font-size: 12px;
  color: var(--text-3);
  flex-shrink: 0;
  white-space: nowrap;
}

.game-stats strong {
  color: var(--text-2);
  font-weight: 700;
}

.game-row .btn {
  flex-shrink: 0;
  background: rgba(124, 92, 255, 0.1);
  border-color: rgba(124, 92, 255, 0.35);
  color: var(--brand);
  font-size: 13px;
  padding: 6px 16px;
}

.game-row .btn:hover {
  background: rgba(124, 92, 255, 0.2);
  border-color: var(--brand);
  color: var(--text-1);
}

.game-row .btn:active {
  transform: translateY(1px);
}

/* ===== CTA 区块 ===== */
.cta-section {
  padding: 80px 0;
}

.cta-inner {
  background: var(--bg-elev);
  border: 2px dashed rgba(124, 92, 255, 0.5);
  border-radius: 20px;
  padding: 60px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(124, 92, 255, 0.15) 0%, transparent 65%);
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  color: var(--text-1);
  margin: 0 0 12px;
  letter-spacing: 0.3px;
}

.cta-inner p {
  font-size: 16px;
  color: var(--text-2);
  margin-bottom: 28px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-inner .btn {
  position: relative;
  z-index: 1;
}

/* ===== FAQ 区块 ===== */
.faq-section {
  padding: 80px 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
}

.faq-accordion {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-accordion .accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.faq-accordion .accordion-button {
  background: transparent;
  color: var(--text-1);
  font-size: 15px;
  font-weight: 600;
  padding: 18px 20px;
  line-height: 1.5;
  box-shadow: none;
  border: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--brand-hover);
  background: rgba(124, 92, 255, 0.06);
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.faq-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23AEB6C2' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-size: 14px;
  transition: transform var(--transition);
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%237C5CFF' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}

.faq-accordion .accordion-body {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.75;
  padding: 0 20px 18px;
}

.faq-accordion .accordion-body ol,
.faq-accordion .accordion-body ul {
  padding-left: 18px;
  margin-bottom: 0;
  margin-top: 6px;
}

.faq-accordion .accordion-body li {
  margin-bottom: 4px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding-top: 60px;
}

.footer-main {
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 14px;
}

.footer-brand .brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand .brand-icon svg {
  width: 14px;
  height: 14px;
  fill: #fff;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.7;
  margin: 0 0 18px;
  max-width: 240px;
}

.footer-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 16px;
  letter-spacing: 0.2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-3);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
  color: var(--brand-hover);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  background: rgba(15, 17, 23, 0.4);
}

.footer-bottom span {
  font-size: 12px;
  color: var(--text-3);
}

/* ===== 响应式 ===== */
@media (min-width: 1200px) {
  .category-card {
    flex-direction: row;
  }

  .cat-media {
    width: 260px;
    aspect-ratio: auto;
    border-bottom: none;
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    min-height: 100%;
  }

  .cat-body {
    flex: 1;
  }
}

@media (max-width: 991.98px) {
  .section-block,
  .game-list-section,
  .cta-section,
  .faq-section {
    padding: 56px 0;
  }

  .header-search {
    max-width: 300px;
  }

  .header-nav {
    gap: 14px;
  }

  .cat-media {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 767.98px) {
  .site-header {
    height: auto;
    min-height: 64px;
  }

  .header-inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 10px;
  }

  .header-search.desktop-only {
    display: none;
  }

  .header-nav {
    margin-left: auto;
  }

  .mobile-toggle {
    display: flex;
  }

  .desktop-only {
    display: none;
  }

  .category-hero {
    min-height: 220px;
    padding: 40px 0 32px;
  }

  .category-hero h1 {
    font-size: 28px;
  }

  .category-hero .hero-sub {
    font-size: 14px;
  }

  .section-block {
    padding: 48px 0;
  }

  .game-list-section {
    padding: 48px 0;
  }

  .cta-section {
    padding: 48px 0;
  }

  .faq-section {
    padding: 48px 0;
  }

  .game-row {
    flex-wrap: wrap;
    gap: 10px 14px;
    padding: 14px 16px;
  }

  .game-index {
    width: 24px;
    font-size: 14px;
  }

  .game-name-box {
    flex-basis: calc(100% - 80px);
  }

  .game-stats {
    display: none;
  }

  .game-row .btn {
    width: 100%;
    margin-top: 4px;
  }

  .cta-inner {
    padding: 44px 24px;
  }

  .cta-inner h2 {
    font-size: 24px;
    line-height: 1.35;
  }

  .footer-main .col-6 {
    margin-bottom: 20px;
  }
}

@media (max-width: 575.98px) {
  .header-nav .nav-link {
    display: none;
  }

  .header-nav .btn {
    font-size: 13px;
    padding: 7px 14px;
  }

  .header-search.mobile-search {
    display: block;
  }

  .game-tags .tag {
    font-size: 10px;
  }

  .cat-body {
    padding: 16px;
  }

  .cat-title {
    font-size: 18px;
  }

  .cat-tags .tag {
    font-size: 11px;
  }

  .category-card {
    margin-bottom: 8px;
  }

  .category-card-row .col-12 {
    padding: 0;
  }
}

@media (max-width: 480px) {
  .header-nav .btn {
    padding: 6px 12px;
    font-size: 12px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-breadcrumb {
    font-size: 12px;
  }

  .cat-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .cat-actions .btn {
    width: 100%;
  }

  .footer-bottom .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --bg-base: #0F1117;
  --bg-elev: #171B24;
  --bg-card: #1B202B;
  --border: rgba(255,255,255,0.08);
  --brand: #7C5CFF;
  --brand-hover: #9678FF;
  --accent: #FF6B5E;
  --accent-hover: #FF8272;
  --success: #9BE564;
  --text-1: #F0F2F5;
  --text-2: #AEB6C2;
  --text-3: #6D7684;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(124,92,255,0.2);
  --transition: 0.25s ease;
}

/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-hover); }
img { max-width: 100%; height: auto; }
button { font-family: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  font-weight: 600;
  padding: 10px 24px;
  font-size: 14px;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.2;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); color: #fff; }
.btn-accent:active { transform: translateY(1px); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-1); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand-hover); }
.btn-outline:active { transform: translateY(1px); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(23,27,36,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-1);
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand:hover { color: var(--brand-hover); text-decoration: none; }
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--brand);
  border-radius: 8px;
  color: #fff;
  flex-shrink: 0;
}
.brand-icon svg { width: 16px; height: 16px; fill: currentColor; }
.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(124,92,255,0.15);
  color: var(--brand);
  border-radius: 6px;
  margin-left: -4px;
}
.header-search {
  position: relative;
  flex: 1;
  max-width: 440px;
  margin: 0 auto;
}
.header-search .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-3);
  pointer-events: none;
  fill: currentColor;
}
.header-search input {
  width: 100%;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 0 20px 0 44px;
  color: var(--text-1);
  font-size: 14px;
  outline: none;
  transition: border var(--transition), box-shadow var(--transition);
}
.header-search input::placeholder { color: var(--text-3); }
.header-search input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.18);
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.nav-link {
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--brand-hover); text-decoration: none; }
.nav-link.active { color: var(--brand); }
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  margin-left: auto;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: background var(--transition);
}
.mobile-toggle:hover span { background: var(--brand); }
.mobile-menu {
  padding: 16px 24px 20px;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  flex-direction: column;
  gap: 12px;
}
.mobile-menu.show { display: flex; }
.mobile-menu .mobile-link {
  color: var(--text-2);
  font-size: 15px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: color var(--transition);
}
.mobile-menu .mobile-link:hover { color: var(--brand); }
.mobile-menu .mobile-link.active { color: var(--brand); }
.mobile-search.header-search { max-width: 100%; margin-bottom: 8px; }

/* ===== 面包屑 ===== */
.breadcrumb-bar {
  padding: 28px 0 8px;
  font-size: 14px;
  color: var(--text-3);
}
.breadcrumb-bar a { color: var(--text-3); text-decoration: none; transition: color var(--transition); }
.breadcrumb-bar a:hover { color: var(--brand); }
.breadcrumb-bar .sep { margin: 0 10px; color: var(--text-3); opacity: 0.5; }
.breadcrumb-bar .current { color: var(--text-2); }

/* ===== 文章头部 ===== */
.article-header {
  padding: 24px 0 4px;
  max-width: 860px;
  margin: 0 auto;
}
.article-header h1 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--text-1);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 24px;
}
.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-3);
  opacity: 0.5;
}
.meta-cat {
  display: inline-flex;
  align-items: center;
  background: rgba(124,92,255,0.15);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: all var(--transition);
}
.meta-cat:hover { background: rgba(124,92,255,0.25); color: var(--brand-hover); }
.article-summary {
  border-left: 2px solid var(--brand);
  padding: 14px 20px;
  background: rgba(124,92,255,0.06);
  border-radius: 0 12px 12px 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}

/* ===== 正文区 ===== */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 0 40px;
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.85;
}
.article-content p {
  margin-bottom: 20px;
}
.article-content h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-1);
  margin: 32px 0 16px;
  line-height: 1.3;
}
.article-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin: 24px 0 12px;
}
.article-content blockquote {
  border-left: 4px solid var(--brand);
  background: var(--bg-card);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  color: var(--text-2);
  font-size: 15px;
  margin: 24px 0;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content ul, .article-content ol {
  margin: 16px 0 20px;
  padding-left: 24px;
}
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--brand-hover); }
.article-content img {
  border-radius: var(--radius);
  margin: 24px 0;
  width: 100%;
}
.article-content code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 14px;
  color: var(--brand);
}
.article-content table {
  width: 100%;
  margin: 20px 0;
  border-collapse: collapse;
}
.article-content th,
.article-content td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  font-size: 14px;
}
.article-content th { background: var(--bg-card); font-weight: 700; }

/* ===== 标签行 ===== */
.article-tags {
  max-width: 760px;
  margin: 0 auto 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(124,92,255,0.12);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid rgba(124,92,255,0.15);
  transition: all var(--transition);
  text-decoration: none;
}
.tag-badge:hover { background: rgba(124,92,255,0.22); color: var(--brand-hover); text-decoration: none; }

/* ===== 上下篇 ===== */
.article-pagination {
  max-width: 860px;
  margin: 0 auto 56px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.article-pagination .btn { min-width: 140px; justify-content: center; }
.article-pagination .back-link {
  color: var(--text-3);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--transition);
}
.article-pagination .back-link:hover { color: var(--brand); }

/* ===== 相关推荐 ===== */
.related-section {
  padding: 56px 0 16px;
}
.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.section-title-bar {
  width: 4px;
  height: 22px;
  background: var(--brand);
  border-radius: 2px;
  flex-shrink: 0;
}
.section-title-wrap h2 {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--text-1);
  margin: 0;
}
.section-subtitle {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 24px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  height: 100%;
  display: block;
  text-decoration: none;
  color: inherit;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(124,92,255,0.3);
  text-decoration: none;
  color: inherit;
}
.related-card .cover-wrap {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--bg-elev);
  overflow: hidden;
}
.related-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.related-card:hover .cover-wrap img { transform: scale(1.04); }
.related-card .cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 28px;
  font-weight: 800;
  width: 100%;
  height: 100%;
  background: var(--bg-elev);
}
.related-card .card-body { padding: 16px; }
.related-card .card-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-body p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-3);
}
.related-card .card-tag {
  background: rgba(124,92,255,0.15);
  color: var(--brand);
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}

/* ===== CTA ===== */
.platform-cta {
  padding: 56px 0 80px;
}
.cta-box {
  background: var(--bg-elev);
  border: 2px dashed var(--brand);
  border-radius: 20px;
  padding: 48px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(124,92,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-box h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 12px;
  position: relative;
}
.cta-box p {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.cta-box .btn { position: relative; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding-top: 56px;
}
.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 14px;
}
.site-footer .footer-brand .brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}
.site-footer .footer-brand .brand-icon svg { width: 14px; height: 14px; }
.footer-desc {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 320px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: var(--text-2);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--brand); }
.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  font-size: 12px;
  color: var(--text-3);
}

/* ===== 无文章状态 ===== */
.empty-state {
  padding: 80px 20px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: rgba(27,32,43,0.4);
  max-width: 640px;
  margin: 60px auto;
}
.empty-state h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
}
.empty-state p {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 24px;
}

/* ===== 响应式 ===== */
@media (min-width: 1200px) {
  .container { max-width: 1200px; }
}
@media (max-width: 1199.98px) {
  .header-search { max-width: 360px; }
}
@media (max-width: 991.98px) {
  .header-inner { gap: 16px; }
  .header-search.desktop-only { display: none; }
  .header-nav { gap: 14px; }
  .header-nav .nav-link { font-size: 13px; }
  .header-nav .btn-sm { padding: 6px 12px; font-size: 12px; }
}
@media (max-width: 767.98px) {
  .header-inner {
    height: auto;
    min-height: 64px;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 12px;
  }
  .header-search.desktop-only { display: none; }
  .header-nav { display: none; }
  .mobile-toggle { display: flex; }
  .mobile-menu.show { display: flex; }
  .breadcrumb-bar { padding: 16px 0 4px; font-size: 13px; }
  .article-header { padding: 16px 0 0; }
  .article-header h1 { font-size: 24px; line-height: 1.3; }
  .article-meta { gap: 10px; font-size: 12px; }
  .article-summary { font-size: 14px; padding: 12px 16px; }
  .article-content { font-size: 15px; line-height: 1.8; padding: 4px 0 28px; }
  .article-content h2 { font-size: 20px; }
  .article-pagination { flex-direction: column; align-items: stretch; text-align: center; margin-bottom: 40px; }
  .article-pagination .btn { width: 100%; min-width: 0; }
  .article-pagination .back-link { display: inline-block; margin-top: 4px; }
  .related-section { padding: 36px 0 0; }
  .platform-cta { padding: 32px 0 48px; }
  .cta-box { padding: 32px 20px; }
  .site-footer { padding-top: 40px; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .brand { font-size: 16px; }
  .brand-icon { width: 28px; height: 28px; border-radius: 7px; }
  .brand-icon svg { width: 14px; height: 14px; }
  .brand-badge { font-size: 10px; padding: 1px 6px; }
  .article-header h1 { font-size: 22px; }
  .article-meta { gap: 8px; }
  .meta-dot { display: none; }
  .cta-box h2 { font-size: 22px; }
  .cta-box p { font-size: 14px; }
}
@media (min-width: 768px) {
  .mobile-menu,
  .mobile-toggle,
  .mobile-search.header-search { display: none; }
  .header-search.desktop-only { display: block; }
}

/* roulang page: category2 */
:root {
  --bg-base: #0F1117;
  --bg-elev: #171B24;
  --bg-card: #1B202B;
  --border: rgba(255,255,255,0.08);
  --brand: #7C5CFF;
  --brand-hover: #9678FF;
  --accent: #FF6B5E;
  --accent-hover: #FF8378;
  --success: #9BE564;
  --text-1: #F0F2F5;
  --text-2: #AEB6C2;
  --text-3: #6D7684;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(124,92,255,0.2);
  --transition: 0.25s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(23,27,36,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), #9B5CFF);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(124,92,255,0.35);
}
.brand-icon svg { width: 18px; height: 18px; fill: #fff; }
.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-1);
}
.brand-badge {
  padding: 2px 8px;
  border-radius: 8px;
  background: rgba(124,92,255,0.18);
  color: var(--brand-hover);
  font-size: 12px;
  font-weight: 700;
}
.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 0 16px;
  height: 44px;
  flex: 1;
  max-width: 460px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.18);
}
.search-icon { width: 16px; height: 16px; fill: var(--text-3); flex-shrink: 0; }
.header-search input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text-1);
  font-size: 15px;
}
.header-search input::placeholder { color: var(--text-3); }
.header-search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-link {
  font-size: 15px;
  color: var(--text-2);
  font-weight: 600;
  padding: 6px 0;
  position: relative;
  white-space: nowrap;
}
.nav-link:hover { color: var(--brand-hover); }
.nav-link.active { color: var(--text-1); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 10px;
  padding: 10px 24px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); }
.btn-accent:active { transform: translateY(0); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-1); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-hover); }
.btn-ghost:active { transform: translateY(0); }
.btn-sm { padding: 6px 16px; font-size: 14px; border-radius: 8px; }
.mobile-toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  flex-shrink: 0;
  padding: 10px 8px;
}
.mobile-toggle span {
  display: block;
  height: 2px;
  background: var(--text-1);
  margin: 5px 0;
  border-radius: 2px;
  transition: background var(--transition);
}
.mobile-toggle:hover span { background: var(--brand-hover); }
.mobile-menu {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding: 16px 24px 20px;
}
.mobile-search { max-width: 100%; margin-bottom: 12px; }
.mobile-link {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
.mobile-link:hover { color: var(--brand-hover); }
.mobile-link.active { color: var(--text-1); font-weight: 700; }

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,17,23,0.96) 0%, rgba(15,17,23,0.78) 55%, rgba(15,17,23,0.45) 100%);
}
.page-hero .container { position: relative; z-index: 1; padding-top: 52px; padding-bottom: 52px; }
.page-hero h1 {
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 12px;
  color: var(--text-1);
}
.page-hero .hero-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 680px;
  margin-bottom: 20px;
  line-height: 1.7;
}
.breadcrumb-custom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-3);
}
.breadcrumb-custom a { color: var(--text-3); }
.breadcrumb-custom a:hover { color: var(--brand-hover); }
.breadcrumb-custom .sep { color: var(--text-3); }
.breadcrumb-custom .current { color: var(--text-2); font-weight: 600; }

/* ===== 通用区块 ===== */
.section { padding: 96px 0; }
.section-sm { padding: 56px 0; }
.section-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 32px;
}
.section-head::before {
  content: '';
  width: 4px;
  height: 26px;
  background: var(--brand);
  border-radius: 2px;
  flex-shrink: 0;
  margin-top: 4px;
}
.section-title {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-1);
}
.section-sub {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-2);
}

/* ===== 登录流程步骤 ===== */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.flow-step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  overflow: hidden;
}
.flow-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), transparent);
  opacity: 0.6;
}
.flow-step:hover {
  border-color: rgba(124,92,255,0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.flow-step-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(124,92,255,0.18);
  color: var(--brand-hover);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.flow-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-1);
}
.flow-step p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.7;
}

/* ===== 两列帮助区 ===== */
.help-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}
.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.accordion-button {
  background: var(--bg-card);
  color: var(--text-1) !important;
  font-size: 16px;
  font-weight: 600;
  padding: 18px 20px;
  box-shadow: none !important;
  border: 0 !important;
  transition: background var(--transition), color var(--transition);
}
.accordion-button:hover {
  background: rgba(124,92,255,0.08);
}
.accordion-button:not(.collapsed) {
  background: rgba(124,92,255,0.1);
  color: var(--brand-hover) !important;
}
.accordion-button:not(.collapsed)::after,
.accordion-button::after {
  filter: brightness(0) invert(1);
  background-size: 16px;
}
.accordion-body {
  background: var(--bg-card);
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.75;
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.problem-card-cover {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.problem-card-body { padding: 24px; }
.problem-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-1);
}
.problem-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.problem-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.problem-list li:last-child { border-bottom: 0; }
.problem-list .problem-name {
  color: var(--text-1);
  font-weight: 500;
  flex: 1;
}
.problem-list .problem-tag {
  color: var(--text-3);
  font-size: 13px;
  white-space: nowrap;
}
.problem-list .problem-link {
  color: var(--brand-hover);
  font-size: 14px;
  white-space: nowrap;
  font-weight: 600;
}
.problem-list .problem-link:hover { color: var(--accent); }

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(124,92,255,0.15);
  color: var(--brand-hover);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}
.tag-accent {
  background: rgba(255,107,94,0.15);
  color: var(--accent);
}
.tag-success {
  background: rgba(155,229,100,0.12);
  color: var(--success);
}

/* ===== 反馈表单 ===== */
.feedback-section {
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-elev) 100%);
}
.feedback-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}
.feedback-wrap .form-head {
  text-align: center;
  margin-bottom: 28px;
}
.feedback-wrap .form-head h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 6px;
}
.feedback-wrap .form-head p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
}
.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
}
.form-control {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-1);
  padding: 12px 16px;
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  background: var(--bg-base);
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.18);
  color: var(--text-1);
}
.form-control::placeholder { color: var(--text-3); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-tip {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 10px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 56px 0 96px;
  background: var(--bg-base);
}
.cta-box {
  border: 2px dashed rgba(124,92,255,0.5);
  border-radius: 20px;
  padding: 56px 32px;
  text-align: center;
  background: linear-gradient(135deg, rgba(124,92,255,0.08), transparent);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,255,0.18), transparent 70%);
  pointer-events: none;
}
.cta-box h2 {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-1);
  position: relative;
}
.cta-box p {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 28px;
  position: relative;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding-top: 56px;
}
.footer-main { padding-bottom: 40px; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 20px;
  max-width: 360px;
  line-height: 1.7;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: var(--text-2);
}
.footer-links a:hover { color: var(--brand-hover); }
.footer-bottom {
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.6;
}

/* ===== 响应式 ===== */
@media (min-width: 992px) {
  .desktop-only { display: flex; }
  .mobile-toggle { display: none; }
}
@media (max-width: 991.98px) {
  .desktop-only { display: none !important; }
  .mobile-toggle { display: flex; align-items: center; justify-content: center; }
  .header-inner { gap: 12px; }
  .header-nav { display: none; }
  .help-grid { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
  .section { padding: 56px 0; }
  .section-sm { padding: 40px 0; }
  .page-hero { min-height: 220px; }
  .page-hero .container { padding-top: 40px; padding-bottom: 40px; }
  .page-hero .hero-sub { font-size: 15px; }
  .flow-steps { grid-template-columns: 1fr; }
  .feedback-wrap { padding: 28px 20px; }
  .cta-section { padding-bottom: 56px; }
  .cta-box { padding: 40px 20px; }
}
@media (max-width: 575.98px) {
  .brand-text { font-size: 18px; }
  .brand-badge { display: none; }
  .header-inner { height: 64px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .mobile-menu { padding-left: 16px; padding-right: 16px; }
}