/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --gold:#C9A062;
  --gold-dark:#B28A4D;
  --coral:#F26A3D;
  --ink:#0F141E;
  --ink-2:#171E2B;
  --paper:#F8F6F2;
  --card:#FFFFFF;
  --line:#E7E0D5;
  --line-dark:rgba(255,255,255,0.12);
  --text:#27272E;
  --text-2:#6A6A72;
  --success:#3FAE9E;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-hover:0 20px 40px -20px rgba(15,20,30,0.25);
  --transition:0.25s ease;
  --font-serif:Georgia,"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --container:1200px;
  --gutter:clamp(16px,4vw,48px);
  --section-gap:clamp(4rem,8vw,6.5rem);
}
/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);font-size:1rem;line-height:1.8;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
button{border:none;background:none;font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;border:none;outline:none;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.3;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px;}
/* ===== 容器 ===== */
.container{max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);}
/* ===== 通用按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--radius-pill);font-size:0.9375rem;font-weight:500;letter-spacing:0.06em;transition:all var(--transition);white-space:nowrap;}
.btn-coral{background:var(--coral);color:#fff;}
.btn-coral:hover{background:#E05A30;transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(242,106,61,0.5);}
.btn-outline{border:1px solid rgba(255,255,255,0.35);color:#fff;background:transparent;}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#232B3A;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-gold-outline{border:1px solid var(--gold);color:var(--gold);background:transparent;}
.btn-gold-outline:hover{background:var(--gold);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}
/* ===== 标签胶囊 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--radius-pill);font-size:0.8125rem;letter-spacing:0.04em;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);color:#fff;}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 3px rgba(242,106,61,0.25);}
.badge-gold{border-color:rgba(201,160,98,0.4);color:var(--gold);background:rgba(201,160,98,0.1);}
/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background var(--transition),box-shadow var(--transition),border-bottom var(--transition);border-bottom:1px solid transparent;}
.site-header.scrolled{background:rgba(248,246,242,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:1.5rem;font-weight:600;color:var(--text);}
.logo-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);}
.nav-links{display:flex;align-items:center;gap:40px;}
.nav-links a{font-size:0.9375rem;font-weight:500;letter-spacing:0.06em;color:var(--text);position:relative;padding:6px 0;}
.nav-links a:hover{color:var(--gold-dark);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:6px;height:2px;border-radius:2px;background:var(--gold);}
.nav-cta{display:flex;align-items:center;gap:16px;}
.nav-login-btn{height:40px;padding:0 22px;border-radius:var(--radius-pill);border:1px solid var(--ink);color:var(--ink);display:inline-flex;align-items:center;gap:6px;font-size:0.875rem;font-weight:500;letter-spacing:0.04em;transition:all var(--transition);background:transparent;}
.nav-login-btn:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.nav-burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:8px;cursor:pointer;border:1px solid var(--line);}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);position:relative;transition:all var(--transition);}
.nav-burger span::before,.nav-burger span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:all var(--transition);}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
.nav-burger.open span{background:transparent;}
.nav-burger.open span::before{top:0;transform:rotate(45deg);}
.nav-burger.open span::after{top:0;transform:rotate(-45deg);}
/* 移动端菜单 */
.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100vh;background:var(--ink);z-index:999;display:flex;flex-direction:column;justify-content:center;padding:48px var(--gutter);opacity:0;visibility:hidden;transition:opacity 0.35s ease,visibility 0.35s ease;}
.mobile-menu.open{opacity:1;visibility:visible;}
.mobile-menu a{color:#fff;font-size:1.75rem;font-family:var(--font-serif);padding:18px 0;border-bottom:1px solid rgba(255,255,255,0.08);transition:color var(--transition);}
.mobile-menu a:hover{color:var(--gold);}
.mobile-menu a.active{color:var(--gold);}
.mobile-menu a:first-child{border-top:1px solid rgba(255,255,255,0.08);}
.mobile-menu .mobile-login{margin-top:40px;text-align:center;}
.mobile-menu .mobile-login .btn{width:100%;}
.mobile-menu .menu-close{position:absolute;top:24px;right:24px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;cursor:pointer;transition:all var(--transition);}
.mobile-menu .menu-close:hover{border-color:var(--gold);color:var(--gold);}
/* ===== Hero ===== */
.hero{min-height:82vh;display:flex;align-items:center;position:relative;background:url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;padding-top:72px;}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,20,30,0.88) 0%,rgba(15,20,30,0.55) 55%,rgba(15,20,30,0.35) 100%);}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,rgba(15,20,30,0.2) 0%,transparent 40%,transparent 60%,rgba(15,20,30,0.9) 100%);}
.hero-content{position:relative;z-index:2;padding:clamp(48px,8vw,96px) 0;width:100%;}
.hero-inner{max-width:860px;padding-left:clamp(32px,6vw,80px);padding-right:var(--gutter);}
.hero h1{color:#FFF8F0;font-size:clamp(2.25rem,5vw,3.75rem);line-height:1.12;letter-spacing:0.02em;margin:24px 0 20px;}
.hero-sub{color:rgba(255,255,255,0.72);font-size:1.0625rem;max-width:560px;line-height:1.8;}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;}
.hero-meta{display:flex;align-items:center;gap:24px;margin-top:48px;color:rgba(255,255,255,0.6);font-size:0.875rem;letter-spacing:0.04em;}
.hero-meta .divider{width:1px;height:16px;background:rgba(255,255,255,0.2);}
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,0.5);font-size:0.75rem;letter-spacing:0.2em;}
.hero-scroll::before{content:'';width:1px;height:32px;background:linear-gradient(to bottom,var(--gold),transparent);}
/* ===== 倒计时 ===== */
.countdown-wrap{position:relative;z-index:5;margin-top:-60px;padding-bottom:var(--section-gap);}
.countdown-panel{background:rgba(23,30,43,0.9);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius-lg);padding:clamp(24px,4vw,40px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.countdown-left{display:flex;align-items:center;gap:16px;}
.countdown-label{color:rgba(255,255,255,0.6);font-size:0.875rem;letter-spacing:0.08em;writing-mode:vertical-rl;text-orientation:mixed;border-left:2px solid var(--gold);padding-left:8px;height:88px;display:flex;align-items:center;}
.countdown-left h2{color:#fff;font-size:1.375rem;font-weight:600;}
.countdown-left p{color:rgba(255,255,255,0.5);font-size:0.8125rem;margin-top:4px;}
.countdown-timer{display:flex;align-items:center;gap:12px;}
.countdown-item{display:flex;flex-direction:column;align-items:center;background:rgba(255,255,255,0.05);border-radius:var(--radius-sm);padding:12px 16px;min-width:72px;}
.countdown-item .num{font-family:var(--font-serif);font-size:clamp(2rem,4vw,2.75rem);font-weight:400;color:var(--gold);line-height:1.2;}
.countdown-item .unit{font-size:0.75rem;color:rgba(255,255,255,0.5);letter-spacing:0.08em;margin-top:4px;}
.countdown-sep{font-family:var(--font-serif);font-size:2rem;color:var(--gold);opacity:0.6;align-self:flex-start;margin-top:12px;}
.countdown-progress{flex-basis:100%;margin-top:8px;}
.countdown-progress .bar{height:2px;background:rgba(255,255,255,0.1);border-radius:2px;overflow:hidden;position:relative;}
.countdown-progress .fill{height:100%;background:linear-gradient(90deg,var(--gold-dark),var(--gold));border-radius:2px;width:68%;position:relative;}
.countdown-progress .fill::after{content:'';position:absolute;right:0;top:-1px;width:4px;height:4px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);}
.countdown-progress .meta{display:flex;justify-content:space-between;margin-top:6px;font-size:0.75rem;color:rgba(255,255,255,0.4);}
/* ===== 板块 ===== */
.section{padding:var(--section-gap) 0;}
.section-head{max-width:800px;margin-bottom:clamp(36px,5vw,56px);}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);letter-spacing:0.04em;color:var(--text);}
.section-head p{color:var(--text-2);margin-top:12px;font-size:0.9375rem;max-width:600px;}
.section-head.light h2{color:#fff;}
.section-head.light p{color:rgba(255,255,255,0.6);}
/* ===== 看点列表 ===== */
.highlights-section{background:var(--card);border-radius:var(--radius-lg);padding:clamp(32px,5vw,64px);max-width:1000px;margin:0 auto;border:1px solid var(--line);}
.highlight-item{display:flex;align-items:baseline;gap:32px;padding:28px 12px;border-bottom:1px solid var(--line);transition:all var(--transition);position:relative;}
.highlight-item:last-child{border-bottom:none;}
.highlight-item::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:3px;height:24px;border-radius:3px;background:var(--gold);transition:transform var(--transition);}
.highlight-item:hover::before{transform:translateY(-50%) scaleY(1);}
.highlight-num{font-family:var(--font-serif);font-size:1.125rem;color:var(--gold);min-width:40px;letter-spacing:0.04em;}
.highlight-item:hover .highlight-num{color:var(--coral);}
.highlight-title{flex:0 0 36%;font-family:var(--font-serif);font-size:1.25rem;font-weight:600;color:var(--text);transition:color var(--transition);}
.highlight-item:hover .highlight-title{color:var(--gold-dark);}
.highlight-desc{flex:1;color:var(--text-2);font-size:0.9375rem;}
/* ===== 订阅 ===== */
.subscribe-section{background:var(--paper);}
.subscribe-box{max-width:900px;margin:0 auto;border:1px solid var(--gold);border-radius:var(--radius-lg);padding:clamp(32px,5vw,56px);text-align:center;position:relative;background:var(--card);}
.subscribe-box::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:80px;height:3px;border-radius:0 0 3px 3px;background:var(--gold);}
.subscribe-box h2{font-size:clamp(1.5rem,3vw,2rem);color:var(--text);}
.subscribe-box .desc{color:var(--text-2);margin-top:10px;max-width:520px;margin-left:auto;margin-right:auto;}
.subscribe-form{display:flex;gap:12px;max-width:560px;margin:32px auto 0;flex-wrap:wrap;}
.subscribe-form input[type="text"]{flex:1;min-width:220px;height:48px;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--paper);padding:0 18px;font-size:0.9375rem;color:var(--text);transition:border-color var(--transition);}
.subscribe-form input[type="text"]:focus{border-color:var(--gold);}
.subscribe-form .btn{height:48px;}
.subscribe-options{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;font-size:0.8125rem;color:var(--text-2);cursor:pointer;}
.subscribe-options input[type="checkbox"]{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1.5px solid var(--line);border-radius:4px;position:relative;cursor:pointer;transition:all var(--transition);background:var(--card);}
.subscribe-options input[type="checkbox"]:checked{background:var(--gold);border-color:var(--gold);}
.subscribe-options input[type="checkbox"]:checked::after{content:'';position:absolute;left:5px;top:2px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);}
.subscribe-notice{font-size:0.75rem;color:#9AA0A8;margin-top:12px;}
/* ===== 回放 / 入口 ===== */
.replay-section{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.replay-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:start;}
.replay-list{display:flex;flex-direction:column;gap:0;}
.replay-item{display:flex;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);transition:all var(--transition);}
.replay-item:last-child{border-bottom:none;}
.replay-thumb{width:140px;flex-shrink:0;border-radius:var(--radius-md);overflow:hidden;position:relative;aspect-ratio:16/9;background:var(--paper);}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.replay-item:hover .replay-thumb img{transform:scale(1.05);}
.replay-thumb .dur{position:absolute;right:6px;bottom:6px;background:rgba(15,20,30,0.8);color:#fff;font-size:0.6875rem;padding:2px 8px;border-radius:4px;}
.replay-info{flex:1;min-width:0;}
.replay-info h3{font-family:var(--font-sans);font-size:1rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.replay-info .time{font-size:0.8125rem;color:var(--text-2);margin-top:4px;}
.replay-link{font-size:0.875rem;color:var(--gold-dark);display:inline-flex;align-items:center;gap:4px;margin-top:6px;transition:gap var(--transition);}
.replay-link:hover{gap:8px;}
.login-panel{background:var(--ink);border-radius:var(--radius-lg);padding:clamp(28px,4vw,40px);color:#fff;position:relative;overflow:hidden;}
.login-panel::before{content:'';position:absolute;top:0;left:0;width:100%;height:200px;background:radial-gradient(ellipse at 50% 0%,rgba(201,160,98,0.2),transparent 70%);}
.login-panel::after{content:'';position:absolute;top:0;left:0;width:3px;height:64px;background:var(--gold);border-radius:0 0 3px 0;}
.login-panel h3{font-size:1.375rem;margin-bottom:12px;position:relative;}
.login-panel p{color:rgba(255,255,255,0.6);font-size:0.9375rem;line-height:1.7;margin-bottom:28px;position:relative;}
.login-panel .btn{position:relative;width:100%;}
.login-panel .feat-list{margin-top:24px;border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;position:relative;}
.login-panel .feat-item{display:flex;gap:10px;align-items:center;font-size:0.8125rem;color:rgba(255,255,255,0.55);padding:6px 0;}
.login-panel .feat-item .ico{width:18px;height:18px;border-radius:50%;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.login-panel .feat-item .ico::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold);}
/* ===== 最新资讯 ===== */
.news-section{background:var(--paper);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.25rem,2vw,2rem);}
.news-card{display:block;background:var(--card);border-radius:var(--radius-md);border:1px solid var(--line);padding:28px;transition:all var(--transition);}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.news-tag{display:inline-block;padding:4px 14px;border-radius:var(--radius-pill);background:rgba(201,160,98,0.12);border:1px solid rgba(201,160,98,0.35);color:var(--gold-dark);font-size:0.75rem;letter-spacing:0.08em;margin-bottom:16px;}
.news-card h3{font-family:var(--font-sans);font-size:1.125rem;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:0.875rem;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;line-height:1.7;}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:0.8125rem;color:#9AA0A8;border-top:1px solid var(--line);padding-top:14px;}
.news-meta .readmore{color:var(--gold-dark);transition:gap var(--transition);display:inline-flex;align-items:center;gap:4px;}
.news-card:hover .news-meta .readmore{gap:8px;}
.news-empty{grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--radius-md);padding:60px 20px;text-align:center;color:var(--text-2);background:var(--card);}
/* ===== FAQ ===== */
.faq-section{background:var(--card);}
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 8px;font-size:1rem;font-weight:500;color:var(--text);text-align:left;transition:color var(--transition);}
.faq-question:hover{color:var(--gold-dark);}
.faq-icon{width:20px;height:20px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition);}
.faq-item.open .faq-icon{border-color:var(--gold);color:var(--gold);transform:rotate(45deg);}
.faq-icon::before{content:'+';font-size:0.875rem;line-height:1;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease;padding:0 8px;}
.faq-answer-inner{padding:0 4px 24px;color:var(--text-2);font-size:0.9375rem;line-height:1.8;max-width:720px;}
.faq-item.open .faq-answer{max-height:300px;}
/* ===== CTA ===== */
.cta-section{background:var(--ink);padding:clamp(3rem,6vw,5rem) 0;}
.cta-inner{text-align:center;max-width:640px;margin:0 auto;}
.cta-inner h2{color:#FFF8F0;font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,0.6);margin-bottom:32px;}
.cta-inner .btn-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,0.7);}
.footer-top{display:grid;grid-template-columns:1.2fr 0.8fr 0.8fr 0.8fr 0.8fr;gap:clamp(24px,3vw,48px);padding:clamp(48px,6vw,72px) 0 48px;}
.footer-brand .logo{color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:0.875rem;color:rgba(255,255,255,0.45);max-width:260px;line-height:1.7;}
.footer-col h4{font-family:var(--font-sans);font-size:0.875rem;font-weight:600;color:#fff;letter-spacing:0.08em;margin-bottom:20px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:0.8125rem;color:rgba(255,255,255,0.45);transition:color var(--transition);}
.footer-col ul a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;font-size:0.75rem;color:rgba(255,255,255,0.35);flex-wrap:wrap;gap:12px;}
.footer-bottom .icp{display:flex;gap:24px;}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-inner{padding-left:var(--gutter);}
  .footer-top{grid-template-columns:1fr 1fr 1fr;}
}
@media (max-width:768px){
  .nav-links{display:none;}
  .nav-login-btn{display:none;}
  .nav-burger{display:flex;}
  .hero-actions .btn{flex:1;}
  .replay-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .countdown-panel{flex-direction:column;align-items:flex-start;}
  .countdown-timer{gap:8px;width:100%;}
  .countdown-item{min-width:56px;padding:10px 8px;}
  .highlights-section{padding:24px 16px;}
  .highlight-title{flex:0 0 100%;}
  .highlight-item{flex-wrap:wrap;gap:8px;padding-left:8px;}
  .highlight-desc{flex-basis:100%;}
}
@media (max-width:520px){
  .news-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .countdown-item .num{font-size:1.75rem;}
  .hero-meta{flex-wrap:wrap;gap:12px;}
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
:root {
  --primary: #C9A062;
  --primary-dark: #B28A4D;
  --accent: #F26A3D;
  --bg-dark: #0F141E;
  --bg-dark-2: #171E2B;
  --bg-light: #F8F6F2;
  --surface: #FFFFFF;
  --line: #E7E0D5;
  --line-dark: rgba(255, 255, 255, 0.12);
  --text: #27272E;
  --text-sub: #6A6A72;
  --success: #3FAE9E;
  --radius-card: 12px;
  --radius-panel: 20px;
  --radius-btn: 999px;
  --shadow-hover: 0 20px 40px -20px rgba(15, 20, 30, 0.25);
  --transition: 0.25s ease;
  --font-serif: "Noto Serif SC", "Songti SC", "Playfair Display", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: var(--font-sans);
  border: none;
  background: none;
  cursor: pointer;
  transition: all var(--transition);
}

input {
  font-family: var(--font-sans);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
}

.section {
  padding-top: clamp(4rem, 8vw, 6.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}

.section-head p {
  color: var(--text-sub);
  font-size: 1rem;
  line-height: 1.8;
}

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(248, 246, 242, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(248, 246, 242, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
  flex-shrink: 0;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 40px);
}

.nav-links a {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
  padding: 6px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transform: translateX(-50%);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-dark);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  background: var(--bg-dark);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--bg-dark);
  transition: all var(--transition);
}

.nav-login-btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 20, 30, 0.2);
}

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  position: relative;
  background: transparent;
}

.nav-burger span,
.nav-burger span::before,
.nav-burger span::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: all 0.3s ease;
}

.nav-burger span {
  top: 50%;
  transform: translate(-50%, -50%);
}

.nav-burger span::before {
  top: -6px;
}

.nav-burger span::after {
  top: 6px;
}

.nav-burger.open span {
  background: transparent;
}

.nav-burger.open span::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.nav-burger.open span::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  padding: 32px clamp(24px, 8vw, 64px);
}

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

.mobile-menu .menu-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 1.75rem;
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu .menu-close:hover {
  color: #fff;
}

.mobile-menu .menu-item {
  color: #fff;
  font-size: 1.75rem;
  font-family: var(--font-serif);
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
  letter-spacing: 0.05em;
  opacity: 0.85;
  transition: opacity 0.25s ease, padding-left 0.25s ease;
}

.mobile-menu .menu-item:first-child {
  border-top: 1px solid var(--line-dark);
}

.mobile-menu .menu-item:hover,
.mobile-menu .menu-item.active-mobile {
  opacity: 1;
  color: var(--primary);
  padding-left: 12px;
}

.mobile-menu .menu-login {
  margin-top: 32px;
  display: inline-flex;
  width: fit-content;
  padding: 12px 36px;
  border-radius: var(--radius-btn);
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
}

.mobile-menu .menu-login:hover {
  background: #e05a30;
  transform: translateY(-2px);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding-top: 180px;
  padding-bottom: 100px;
  background: var(--bg-dark);
  background-image: linear-gradient(135deg, rgba(15, 20, 30, 0.72) 0%, rgba(15, 20, 30, 0.45) 60%, rgba(201, 160, 98, 0.18) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
  pointer-events: none;
}

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

.page-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
}

.page-hero .hero-tag .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.02em;
  max-width: 600px;
  margin-bottom: 20px;
  color: #fff;
}

.page-hero .hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin-bottom: 36px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: var(--radius-btn);
  background: var(--accent);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid var(--accent);
  letter-spacing: 0.04em;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: #e05a30;
  border-color: #e05a30;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(242, 106, 61, 0.25);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ===== Preview Cards Grid ===== */
.preview-grid-section {
  position: relative;
  z-index: 3;
  padding-top: 2rem;
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.preview-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.preview-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

.preview-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-dark);
}

.preview-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.preview-card:hover .preview-card-media img {
  transform: scale(1.05);
}

.preview-card-media .live-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-btn);
  background: rgba(15, 20, 30, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  backdrop-filter: blur(6px);
}

.preview-card-media .live-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}

.preview-card-body {
  padding: 24px 28px 28px;
}

.preview-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: var(--radius-btn);
  background: rgba(201, 160, 98, 0.12);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid rgba(201, 160, 98, 0.3);
}

.preview-meta .time {
  font-size: 0.875rem;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.preview-meta .time i {
  font-size: 0.8125rem;
}

.preview-card-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.preview-card-body p {
  font-size: 0.9375rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--primary-dark);
  letter-spacing: 0.03em;
}

.card-link i {
  transition: transform 0.25s ease;
}

.card-link:hover {
  color: var(--accent);
}

.card-link:hover i {
  transform: translateX(4px);
}

/* ===== Feature Strip ===== */
.feature-strip {
  background: var(--bg-dark);
  color: #fff;
  padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative;
  overflow: hidden;
}

.feature-strip::before {
  content: '';
  position: absolute;
  top: 0;
  left: 30%;
  width: 40%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.feature-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding-left 0.3s ease;
}

.feature-item:first-child {
  border-top: 1px solid var(--line-dark);
}

.feature-item:hover {
  padding-left: 12px;
}

.feature-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 500;
  flex-shrink: 0;
  min-width: 48px;
  letter-spacing: 0.05em;
}

.feature-item h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 6px;
  font-weight: 500;
}

.feature-item p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  max-width: 620px;
}

/* ===== Feature Alternating Blocks ===== */
.alt-section {
  background: var(--bg-light);
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.alt-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.alt-block:last-child {
  margin-bottom: 0;
}

.alt-block.reverse .alt-media {
  order: 2;
}

.alt-block.reverse .alt-content {
  order: 1;
}

.alt-media {
  border-radius: var(--radius-panel);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  position: relative;
  background: var(--bg-dark);
  box-shadow: 0 8px 24px rgba(15, 20, 30, 0.08);
}

.alt-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.alt-block:hover .alt-media img {
  transform: scale(1.03);
}

.alt-media::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-panel);
  pointer-events: none;
}

.alt-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  margin-bottom: 14px;
  line-height: 1.3;
}

.alt-content .alt-line {
  width: 42px;
  height: 2px;
  background: var(--primary);
  margin-bottom: 20px;
}

.alt-content p {
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1rem;
}

.alt-content .alt-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

.alt-content .alt-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
}

.alt-content .alt-points li i {
  color: var(--primary);
  font-size: 0.875rem;
  margin-top: 5px;
  flex-shrink: 0;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--surface);
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 8px;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  letter-spacing: 0.02em;
  font-family: var(--font-sans);
}

.faq-header:hover {
  color: var(--primary-dark);
}

.faq-header .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8125rem;
  color: var(--primary-dark);
  transition: all 0.3s ease;
}

.faq-header.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 8px;
}

.faq-body.open {
  max-height: 300px;
  padding: 0 8px 24px;
}

.faq-body p {
  color: var(--text-sub);
  line-height: 1.8;
  font-size: 0.9375rem;
  padding-left: 4px;
  border-left: 2px solid rgba(201, 160, 98, 0.4);
  padding-left: 16px;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--bg-dark);
  padding: clamp(4rem, 8vw, 5.5rem) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 180%;
  background: radial-gradient(ellipse at center, rgba(201, 160, 98, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  color: #fff;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.65);
  max-width: 560px;
  margin: 0 auto 36px;
  font-size: 1rem;
  line-height: 1.8;
}

.cta-section .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 44px;
  border-radius: var(--radius-btn);
  background: var(--primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  border: 1px solid var(--primary);
  transition: all var(--transition);
  letter-spacing: 0.05em;
}

.cta-section .cta-btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(201, 160, 98, 0.2);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
  font-size: 0.875rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  max-width: 260px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.875rem;
  transition: color 0.25s ease, padding-left 0.25s ease;
  display: inline-block;
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 32px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom .icp {
  display: flex;
  gap: 20px;
  font-size: 0.8125rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-login-btn {
    display: none;
  }

  .nav-burger {
    display: block;
  }

  .mobile-menu {
    display: flex;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .mobile-menu.active {
    visibility: visible;
    opacity: 1;
  }

  .page-hero {
    padding-top: 130px;
    padding-bottom: 80px;
  }

  .page-hero h1 {
    font-size: clamp(2rem, 7vw, 2.75rem);
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .alt-block {
    grid-template-columns: 1fr;
  }

  .alt-block.reverse .alt-media {
    order: 0;
  }

  .alt-block.reverse .alt-content {
    order: 0;
  }

  .alt-media {
    aspect-ratio: 16 / 10;
  }

  .feature-item {
    gap: 20px;
    padding: 24px 0;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 0.9375rem;
  }

  .nav-inner {
    height: 64px;
  }

  .site-header {
    height: 64px;
  }

  .logo {
    font-size: 1.25rem;
  }

  .page-hero {
    padding-top: 110px;
    padding-bottom: 64px;
  }

  .page-hero .hero-tag {
    font-size: 0.8125rem;
    padding: 5px 14px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }

  .section-head h2 {
    font-size: 1.5rem;
  }

  .preview-card-body {
    padding: 20px;
  }

  .feature-item {
    flex-direction: column;
    gap: 8px;
    padding: 22px 0;
  }

  .feature-num {
    font-size: 1.125rem;
  }

  .feature-item h3 {
    font-size: 1.0625rem;
  }

  .alt-content h2 {
    font-size: 1.5rem;
  }

  .faq-header {
    font-size: 0.9375rem;
    padding: 20px 4px;
  }

  .cta-section .cta-btn {
    width: 100%;
    justify-content: center;
    padding: 15px 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom .icp {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 360px) {
  .preview-grid {
    gap: 1.5rem;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #C9A062;
  --primary-dark: #B28A4D;
  --accent: #F26A3D;
  --dark: #0F141E;
  --dark-2: #171E2B;
  --bg-light: #F8F6F2;
  --surface: #FFFFFF;
  --border-light: #E7E0D5;
  --border-dark: rgba(255,255,255,0.12);
  --text-primary: #27272E;
  --text-secondary: #6A6A72;
  --success: #3FAE9E;
  --font-serif: "Playfair Display", "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-card: 12px;
  --radius-panel: 20px;
  --radius-btn: 999px;
  --shadow-hover: 0 20px 40px -20px rgba(15,20,30,0.25);
  --transition: 0.25s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  padding-top: 72px;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}
button {
  font-family: inherit;
  cursor: pointer;
}
input {
  font-family: inherit;
}
ul, ol {
  list-style-position: inside;
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

/* ===== 导航栏 ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  z-index: 1000;
  background: rgba(248,246,242,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(15,20,30,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}
.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  position: relative;
  padding: 8px 0;
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 24px;
  border-radius: var(--radius-btn);
  background: var(--dark);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.25s ease, transform 0.25s ease;
}
.nav-login-btn:hover {
  background: var(--primary);
  transform: translateY(-1px);
}
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  border-radius: 8px;
  transition: background 0.25s ease;
}
.nav-burger:hover {
  background: rgba(201,160,98,0.1);
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-burger.open span:nth-child(2) {
  opacity: 0;
}
.nav-burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 页面主体 ===== */
.page-main {
  min-height: calc(100vh - 72px);
  padding: 40px 0 80px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 16px 0 40px;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.25s ease;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--border-light);
}
.breadcrumb .category-name {
  color: var(--text-secondary);
}
.breadcrumb .current {
  color: var(--text-primary);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章详情 ===== */
.article-detail {
  max-width: 860px;
  margin: 0 auto;
}
.article-header {
  text-align: center;
  margin-bottom: 36px;
}
.article-category {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(201,160,98,0.12);
  color: var(--primary-dark);
  border-radius: var(--radius-btn);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.article-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.2;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.article-meta .dot {
  color: var(--border-light);
}
.article-cover {
  border-radius: var(--radius-panel);
  overflow: hidden;
  margin-bottom: 36px;
  box-shadow: 0 12px 40px -20px rgba(15,20,30,0.2);
}
.article-cover img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 正文内容 ===== */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-primary);
}
.article-content p {
  margin-bottom: 1.6em;
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2em 0 0.8em;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.8em 0 0.6em;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 1.5em 0 0.5em;
}
.article-content ul,
.article-content ol {
  margin: 1em 0 1.6em;
  padding-left: 1.4em;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 0.4em;
}
.article-content ul ul,
.article-content ol ol {
  margin: 0.4em 0;
}
.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--bg-light);
  padding: 18px 24px;
  margin: 1.6em 0;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-content blockquote p:last-child {
  margin-bottom: 0;
}
.article-content img {
  border-radius: var(--radius-card);
  max-width: 100%;
  height: auto;
  margin: 1.6em auto;
}
.article-content a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-content a:hover {
  color: var(--primary);
}
.article-content pre {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-card);
  padding: 20px;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 1.6em 0;
  border: 1px solid rgba(255,255,255,0.1);
}
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.875em;
  background: rgba(201,160,98,0.1);
  padding: 2px 6px;
  border-radius: 4px;
}
.article-content pre code {
  background: none;
  padding: 0;
  font-size: 0.875rem;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 0.9375rem;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border-light);
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
}
.article-content th {
  background: var(--bg-light);
  font-weight: 600;
  color: var(--text-primary);
}
.article-content tr:nth-child(even) td {
  background: rgba(248,246,242,0.4);
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 2em 0;
}

/* ===== 相关推荐 ===== */
.related-section {
  max-width: 860px;
  margin: 72px auto 0;
  padding-top: 48px;
  border-top: 1px solid var(--border-light);
}
.related-section h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201,160,98,0.4);
}
.related-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.related-card:hover img {
  transform: scale(1.03);
}
.related-info {
  padding: 20px;
}
.related-tag {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(201,160,98,0.12);
  color: var(--primary-dark);
  border-radius: var(--radius-btn);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.related-info h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 12px 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ===== 返回入口 ===== */
.article-back {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin: 60px auto 0;
  max-width: 860px;
  padding-top: 40px;
  border-top: 1px solid var(--border-light);
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  border: 1px solid var(--primary);
  color: var(--primary-dark);
  border-radius: var(--radius-btn);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.btn-back:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(201,160,98,0.25);
}
.btn-back:active {
  transform: translateY(0);
}
.link-home {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
  padding: 10px 4px;
  transition: color 0.25s ease;
}
.link-home:hover {
  color: var(--primary);
}

/* ===== 内容未找到 ===== */
.article-not-found {
  display: flex;
  justify-content: center;
  padding: 60px 20px;
}
.not-found-box {
  text-align: center;
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-panel);
  padding: 60px 80px;
  max-width: 560px;
}
.not-found-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(242,106,61,0.1);
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.not-found-box h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.not-found-box p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 36px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242,106,61,0.3);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:focus-visible,
.btn-back:focus-visible,
.link-home:focus-visible,
.related-card:focus-visible,
.nav-burger:focus-visible,
.nav-login-btn:focus-visible,
.nav-links a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  padding: 64px 0 24px;
  margin-top: 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li {
  margin-bottom: 10px;
}
.footer-col a {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  transition: color 0.25s ease;
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom .icp {
  display: flex;
  gap: 16px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 2fr repeat(2, 1fr);
  }
  .footer-brand {
    grid-column: 1 / -1;
    margin-bottom: 8px;
  }
  .related-grid {
    gap: 16px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 64px;
  }
  .site-header,
  .nav-inner {
    height: 64px;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    z-index: 999;
  }
  .nav-links.open {
    transform: translateX(0);
  }
  .nav-links a {
    color: rgba(255,255,255,0.85);
    font-size: 1.75rem;
    font-weight: 400;
  }
  .nav-links a:hover {
    color: var(--primary);
  }
  .nav-links a.active::after {
    background: var(--primary);
  }
  .nav-cta .nav-login-btn {
    display: none;
  }
  .nav-burger {
    display: flex;
    z-index: 1000;
    position: relative;
  }
  .nav-burger.open span {
    background: #fff;
  }
  .page-main {
    padding: 24px 0 60px;
  }
  .breadcrumb {
    padding-bottom: 24px;
    font-size: 0.8125rem;
  }
  .article-header {
    margin-bottom: 24px;
  }
  .article-header h1 {
    font-size: 1.625rem;
  }
  .article-meta {
    font-size: 0.8125rem;
    gap: 6px;
  }
  .article-content {
    font-size: 1rem;
    line-height: 1.75;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .related-card {
    display: flex;
    align-items: stretch;
  }
  .related-card img {
    width: 120px;
    height: auto;
    min-height: 120px;
    flex-shrink: 0;
  }
  .related-info {
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .related-info h3 {
    -webkit-line-clamp: 3;
    font-size: 0.9375rem;
  }
  .not-found-box {
    padding: 40px 24px;
  }
  .article-back {
    flex-direction: column;
    gap: 12px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px 20px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom .icp {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .article-header h1 {
    font-size: 1.375rem;
    line-height: 1.3;
  }
  .article-category {
    font-size: 0.75rem;
    padding: 4px 12px;
  }
  .article-content {
    font-size: 0.9375rem;
  }
  .article-content blockquote {
    padding: 14px 16px;
  }
  .related-card {
    flex-direction: column;
  }
  .related-card img {
    width: 100%;
    height: 140px;
  }
  .related-info {
    padding: 16px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1;
  }
  .btn-back,
  .btn-primary {
    width: 100%;
    justify-content: center;
  }
  .article-back {
    width: 100%;
  }
}

/* roulang page: category2 */
:root {
  --gold: #C9A062;
  --gold-deep: #B28A4D;
  --accent: #F26A3D;
  --dark: #0F141E;
  --dark-2: #171E2B;
  --bg-light: #F8F6F2;
  --card-bg: #FFFFFF;
  --line-light: #E7E0D5;
  --line-dark: rgba(255,255,255,0.12);
  --text-main: #27272E;
  --text-sub: #6A6A72;
  --success: #3FAE9E;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-hover: 0 20px 40px -20px rgba(15,20,30,0.25);
  --container: 1200px;
  --space-section: clamp(4rem, 8vw, 6.5rem);
  --font-title: "Playfair Display", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg-light); color: var(--text-main); line-height: 1.8; font-size: 1rem; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; }
button, input { font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 600; }
.container { max-width: var(--container); margin: 0 auto; padding-left: clamp(16px, 4vw, 48px); padding-right: clamp(16px, 4vw, 48px); }

/* header */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: 72px; display: flex; align-items: center; transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; border-bottom: 1px solid transparent; background: rgba(248,246,242,0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom-color: var(--line-light); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.375rem; font-weight: 700; letter-spacing: 0.04em; color: var(--dark); position: relative; }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); display: inline-block; position: relative; }
.logo-dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--gold); opacity: 0.4; }
.logo:hover { color: var(--gold-deep); }
.nav-links { display: flex; align-items: center; gap: 2.25rem; }
.nav-links a { font-size: 0.9375rem; font-weight: 500; letter-spacing: 0.06em; color: var(--text-sub); position: relative; padding: 6px 0; }
.nav-links a::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 6px; height: 2px; border-radius: 2px; background: var(--gold); transform: translateX(-50%); opacity: 0; transition: opacity 0.25s ease; }
.nav-links a:hover { color: var(--gold-deep); }
.nav-links a:hover::after { opacity: 1; }
.nav-links a.active { color: var(--dark); font-weight: 600; }
.nav-links a.active::after { opacity: 1; }
.nav-cta { display: flex; align-items: center; gap: 1rem; }
.nav-login-btn { display: inline-block; padding: 8px 22px; border-radius: 999px; border: 1px solid var(--dark); color: var(--dark); font-size: 0.9375rem; font-weight: 500; background: transparent; transition: all 0.25s ease; }
.nav-login-btn:hover { background: var(--dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 20px -10px rgba(15,20,30,0.4); }
.nav-burger { display: none; width: 40px; height: 40px; position: relative; cursor: pointer; }
.nav-burger span, .nav-burger span::before, .nav-burger span::after { content: ""; position: absolute; left: 8px; width: 24px; height: 2px; background: var(--dark); transition: all 0.3s ease; top: 19px; }
.nav-burger span::before { top: -7px; }
.nav-burger span::after { top: 7px; }
.nav-burger.open span { background: transparent; }
.nav-burger.open span::before { top: 0; transform: rotate(45deg); background: #fff; }
.nav-burger.open span::after { top: 0; transform: rotate(-45deg); background: #fff; }

/* mobile menu */
.mobile-menu { position: fixed; inset: 0; background: var(--dark); z-index: 999; display: flex; flex-direction: column; justify-content: center; padding: 48px 36px; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a { color: rgba(255,255,255,0.85); font-size: 1.625rem; font-weight: 500; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,0.1); display: block; }
.mobile-menu a:hover { color: var(--gold); }
.mobile-menu a.close-mobile { position: absolute; top: 20px; right: 28px; font-size: 1.5rem; border-bottom: none; color: rgba(255,255,255,0.7); padding: 8px; }
.mobile-menu a.close-mobile:hover { color: #fff; }

/* hero */
.page-hero { padding-top: 72px; position: relative; background: var(--dark); min-height: 420px; display: flex; align-items: center; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: 0.35; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,20,30,0.3) 0%, rgba(15,20,30,0.6) 60%, var(--dark) 100%); }
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: 60px; padding-bottom: 80px; }
.page-hero h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 600; line-height: 1.12; letter-spacing: 0.02em; color: #fff; margin-bottom: 20px; }
.page-hero h1 span { color: var(--gold); }
.page-hero .lead { font-family: var(--font-title); font-size: clamp(1rem, 2vw, 1.25rem); color: rgba(255,255,255,0.75); letter-spacing: 0.06em; margin-bottom: 12px; }
.page-hero p.desc { max-width: 640px; color: rgba(255,255,255,0.65); font-size: 1rem; line-height: 1.8; margin-top: 16px; }

/* breadcrumb */
.breadcrumb { position: relative; z-index: 2; display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: rgba(255,255,255,0.5); margin-bottom: 24px; }
.breadcrumb a { color: rgba(255,255,255,0.5); transition: color 0.25s ease; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: rgba(255,255,255,0.8); }

/* sections */
.section { padding: var(--space-section) 0; position: relative; }
.section-head { max-width: 860px; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(201,160,98,0.12); color: var(--gold-deep); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; padding: 4px 14px; border-radius: 999px; margin-bottom: 16px; }
.section-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.section h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; line-height: 1.3; letter-spacing: 0.04em; color: var(--dark); margin-bottom: 12px; }
.section .sub { color: var(--text-sub); font-size: 1rem; max-width: 640px; }

/* replay list rows */
.replay-list { max-width: 1000px; margin: 0 auto; }
.replay-item { display: grid; grid-template-columns: 60px 1fr auto; align-items: center; gap: 24px; padding: 28px 12px; border-bottom: 1px solid var(--line-light); transition: background 0.25s ease, transform 0.25s ease; position: relative; }
.replay-item:first-child { border-top: 1px solid var(--line-light); }
.replay-item:hover { background: rgba(201,160,98,0.05); transform: translateX(6px); }
.replay-item .num { font-family: var(--font-title); font-size: 1.625rem; color: #C9C0B2; font-weight: 500; transition: color 0.25s ease; }
.replay-item:hover .num { color: var(--accent); }
.replay-item .info h3 { font-size: 1.125rem; font-weight: 600; color: var(--dark); margin-bottom: 6px; transition: color 0.25s ease; }
.replay-item:hover .info h3 { color: var(--gold-deep); }
.replay-item .info p { font-size: 0.875rem; color: var(--text-sub); line-height: 1.6; }
.replay-item .meta { display: flex; align-items: center; gap: 12px; font-size: 0.8125rem; color: var(--text-sub); white-space: nowrap; }
.replay-item .meta .duration { display: inline-flex; align-items: center; gap: 5px; color: var(--dark); font-weight: 500; }
.replay-item .watch-link { display: inline-block; padding: 8px 22px; border-radius: 999px; border: 1px solid var(--gold); color: var(--gold-deep); font-size: 0.875rem; font-weight: 500; transition: all 0.25s ease; background: transparent; }
.replay-item .watch-link:hover { background: var(--gold); color: #fff; box-shadow: 0 8px 20px -8px rgba(201,160,98,0.6); transform: translateY(-2px); }

/* feature highlight */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); align-items: center; }
.feature-media { border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 360px; background: var(--dark-2); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.feature-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,20,30,0.15) 0%, transparent 50%); }
.feature-text .feature-list { margin-top: 24px; }
.feature-text .feature-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-light); font-size: 0.9375rem; color: var(--text-sub); align-items: flex-start; }
.feature-text .feature-list li:last-child { border-bottom: none; }
.feature-text .feature-list li::before { content: ""; flex: 0 0 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); margin-top: 10px; }
.feature-text .feature-list li strong { color: var(--dark); font-weight: 600; margin-right: 6px; }

/* login entrance */
.login-panel { background: var(--dark); border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.login-panel::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--gold), transparent); }
.login-panel-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 0; min-height: 380px; }
.login-panel-left { padding: clamp(2rem, 5vw, 4rem); display: flex; flex-direction: column; justify-content: center; }
.login-panel-left h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.login-panel-left p { color: rgba(255,255,255,0.65); font-size: 0.9375rem; line-height: 1.8; margin-bottom: 24px; max-width: 420px; }
.login-btn { display: inline-flex; align-items: center; gap: 12px; padding: 12px 32px; border-radius: 999px; background: var(--gold); color: var(--dark); font-weight: 600; font-size: 0.9375rem; letter-spacing: 0.04em; transition: all 0.25s ease; width: fit-content; }
.login-btn:hover { background: var(--gold-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(201,160,98,0.5); }
.login-btn:active { transform: translateY(0); }
.login-panel-right { background: var(--dark-2); padding: clamp(2rem, 5vw, 4rem); display: flex; flex-direction: column; justify-content: center; gap: 20px; position: relative; overflow: hidden; }
.login-panel-right::after { content: ""; position: absolute; top: -60%; right: -40%; width: 80%; height: 120%; background: radial-gradient(circle, rgba(201,160,98,0.15) 0%, transparent 70%); }
.login-point { display: flex; align-items: flex-start; gap: 14px; position: relative; z-index: 2; }
.login-point .icon { width: 36px; height: 36px; border-radius: 10px; background: rgba(201,160,98,0.12); display: flex; align-items: center; justify-content: center; flex: 0 0 36px; }
.login-point .icon i { font-style: normal; color: var(--gold); font-size: 1.125rem; }
.login-point h4 { color: rgba(255,255,255,0.9); font-size: 0.9375rem; font-weight: 600; margin-bottom: 4px; }
.login-point p { color: rgba(255,255,255,0.5); font-size: 0.8125rem; line-height: 1.6; }

/* faq */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line-light); }
.faq-item:first-child { border-top: 1px solid var(--line-light); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 24px 8px; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--dark); transition: color 0.25s ease; user-select: none; }
.faq-q:hover { color: var(--gold-deep); }
.faq-q .faq-icon { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line-light); display: flex; align-items: center; justify-content: center; font-size: 0.875rem; transition: all 0.3s ease; color: var(--text-sub); flex: 0 0 28px; }
.faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--gold); color: var(--gold); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 0 8px 24px; color: var(--text-sub); font-size: 0.9375rem; line-height: 1.8; }

/* cta */
.cta-section { background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; top: -40%; left: 50%; transform: translateX(-50%); width: 90%; height: 120%; background: radial-gradient(ellipse, rgba(201,160,98,0.14) 0%, transparent 70%); }
.cta-inner { position: relative; z-index: 2; text-align: center; padding: clamp(3rem, 6vw, 5rem) 0; }
.cta-inner h2 { color: #fff; font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,0.65); max-width: 540px; margin: 0 auto 32px; font-size: 0.9375rem; }
.cta-btn { display: inline-block; padding: 14px 40px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.06em; transition: all 0.25s ease; }
.cta-btn:hover { background: #e05a2e; transform: translateY(-3px); box-shadow: 0 18px 35px -12px rgba(242,106,61,0.5); }
.cta-btn:active { transform: translateY(0); }

/* footer */
.site-footer { background: var(--dark); padding: clamp(3rem, 6vw, 5rem) 0 0; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.site-footer .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.875rem; line-height: 1.7; max-width: 260px; }
.footer-col h4 { color: rgba(255,255,255,0.9); font-size: 0.9375rem; font-weight: 600; margin-bottom: 18px; letter-spacing: 0.04em; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: rgba(255,255,255,0.55); font-size: 0.875rem; transition: color 0.25s ease; }
.footer-col ul a:hover { color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; flex-wrap: wrap; gap: 12px; }
.footer-bottom span { color: rgba(255,255,255,0.45); font-size: 0.8125rem; }
.icp { display: flex; gap: 16px; flex-wrap: wrap; }

/* focus */
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
input:focus-visible { border-color: var(--gold); }

/* responsive */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1.2fr 1fr 1fr; }
  .login-panel-inner { grid-template-columns: 1fr; }
  .replay-item { grid-template-columns: 48px 1fr auto; gap: 16px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-login-btn { display: none; }
  .nav-burger { display: block; }
  .nav-burger.open { position: relative; z-index: 1001; }
  .nav-burger.open span { background: transparent; }
  .nav-burger.open span::before, .nav-burger.open span::after { background: #fff; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-media { min-height: 260px; position: relative; }
  .replay-item { grid-template-columns: 40px 1fr; padding: 20px 8px; }
  .replay-item .meta { grid-column: 2; white-space: normal; flex-wrap: wrap; margin-top: -8px; }
  .replay-item .num { font-size: 1.25rem; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .page-hero { min-height: 360px; }
  .hero-inner { padding-top: 40px; padding-bottom: 60px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .footer-top { grid-template-columns: 1fr; }
  .nav-burger { display: block; }
  .replay-item { grid-template-columns: 1fr; padding: 20px 4px; }
  .replay-item .num { display: none; }
  .replay-item .meta { grid-column: 1; }
  .replay-item .watch-link { width: 100%; text-align: center; }
  .login-panel-left, .login-panel-right { padding: 2rem 1.5rem; }
  .cta-btn { width: 100%; text-align: center; }
}