/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --primary:#0b1a2e;
  --primary-2:#0d2137;
  --primary-3:#123049;
  --accent:#38bdf8;
  --accent-2:#0ea5e9;
  --accent-glow:rgba(56,189,248,.35);
  --bg-gradient:linear-gradient(135deg,#0b1a2e 0%,#0d2137 50%,#0b1830 100%);
  --text:#e2e8f0;
  --text-muted:#94a3b8;
  --text-dim:#64748b;
  --card-bg:rgba(255,255,255,.055);
  --card-bg-2:rgba(255,255,255,.09);
  --card-border:rgba(255,255,255,.1);
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 10px 40px rgba(0,0,0,.35);
  --shadow-sm:0 4px 20px rgba(0,0,0,.2);
  --spacing-section:90px;
  --container-w:1200px;
  --font-stack:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
}
/* ===== Reset & 基础 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg-gradient);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent-2)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none}
/* ===== 容器 ===== */
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.container-narrow{max-width:880px;margin:0 auto;padding:0 24px}
/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,26,46,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;max-width:var(--container-w);margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap}
.nav-logo i{color:var(--accent);font-size:22px}
.nav-logo span{background:linear-gradient(90deg,#fff,#bae6fd);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;color:var(--text-muted);font-size:16px;font-weight:500;padding:8px 2px;transition:color .3s}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff}
.nav-link.active::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--accent);border-radius:2px;box-shadow:0 0 12px var(--accent-glow)}
.nav-cta-btn{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121f;font-weight:700;padding:10px 22px;border-radius:50px;font-size:14px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 24px var(--accent-glow);transition:transform .25s,box-shadow .25s}
.nav-cta-btn:hover{color:#04121f;transform:translateY(-2px);box-shadow:0 6px 32px var(--accent-glow)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
/* Mega Panel */
.mega-wrap{position:relative}
.mega-trigger{cursor:pointer}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:-24px;background:rgba(13,33,55,.92);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border:1px solid var(--card-border);border-radius:14px;
  box-shadow:var(--shadow);padding:20px;width:360px;opacity:0;visibility:hidden;
  transform:translateY(10px);transition:all .3s ease;z-index:99;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel-title{font-size:14px;color:var(--text-muted);margin-bottom:12px;letter-spacing:.04em}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mega-item{border-radius:12px;padding:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06);transition:background .25s,border-color .25s;display:flex;flex-direction:column;gap:4px}
.mega-item:hover{background:rgba(255,255,255,.1);border-color:rgba(56,189,248,.3)}
.mega-item i{color:var(--accent);font-size:18px;margin-bottom:4px}
.mega-item strong{color:#fff;font-size:14px}
.mega-item small{color:var(--text-muted);font-size:12px}
/* ===== Hero ===== */
.hero{
  position:relative;min-height:640px;display:flex;align-items:center;
  background:linear-gradient(to bottom,rgba(11,26,46,.65),rgba(11,26,46,.92)),url('/assets/images/backpic/back-1.jpg') no-repeat center center/cover;
  padding:80px 0;
}
.hero-content{max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.35);color:#bae6fd;border-radius:50px;padding:7px 18px;font-size:14px;font-weight:600;letter-spacing:.02em;margin-bottom:26px;box-shadow:0 0 20px rgba(56,189,248,.1)}
.hero-title{font-size:52px;line-height:1.2;font-weight:800;color:#fff;margin-bottom:22px;letter-spacing:-.01em}
.hero-title .highlight{color:var(--accent);text-shadow:0 0 30px var(--accent-glow)}
.hero-subtitle{font-size:18px;color:var(--text-muted);line-height:1.85;margin-bottom:32px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:40px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#04121f;font-weight:700;padding:15px 32px;border-radius:50px;font-size:16px;
  box-shadow:0 6px 30px var(--accent-glow);transition:all .3s ease;border:none;cursor:pointer;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 40px var(--accent-glow);color:#04121f}
.btn-secondary{
  display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-weight:600;padding:15px 32px;border-radius:50px;font-size:16px;transition:all .3s ease;backdrop-filter:blur(8px);
}
.btn-secondary:hover{background:rgba(255,255,255,.15);border-color:rgba(56,189,248,.4);color:#fff;transform:translateY(-3px)}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.12);padding-top:28px;max-width:620px}
.hero-stat{padding:0 26px;text-align:center}
.hero-stat:first-child{padding-left:0}
.hero-stat:not(:last-child){border-right:1px solid rgba(255,255,255,.12)}
.hero-stat .num{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-stat .num i{color:var(--accent);font-style:normal}
.hero-stat .label{font-size:13px;color:var(--text-muted)}
/* ===== Section 通用 ===== */
.section{padding:var(--spacing-section) 0}
.section-label{display:inline-block;background:rgba(56,189,248,.1);color:#7dd3fc;border:1px solid rgba(56,189,248,.25);border-radius:50px;padding:6px 16px;font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:14px}
.section-title{font-size:38px;font-weight:800;color:#fff;line-height:1.25;margin-bottom:14px;letter-spacing:-.01em}
.section-desc{font-size:16px;color:var(--text-muted);max-width:680px;line-height:1.8}
.section-head{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:56px}
.section-head .section-desc{margin:0 auto}
/* ===== 品牌故事 ===== */
.story-section{background:rgba(255,255,255,.02)}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-media{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow)}
.story-media img{width:100%;height:400px;object-fit:cover}
.story-media::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,26,46,.3),transparent)}
.story-content h3{font-size:30px;font-weight:800;color:#fff;margin-bottom:20px;line-height:1.3}
.story-content p{color:var(--text-muted);margin-bottom:18px;line-height:1.85}
.story-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.story-tags span{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:var(--text-muted);padding:6px 16px;border-radius:30px;font-size:13px}
/* ===== 卖点三连 ===== */
.selling-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sell-card{
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:34px 28px;transition:all .35s ease;position:relative;overflow:hidden;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.sell-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity .3s}
.sell-card:hover{transform:translateY(-8px);border-color:rgba(56,189,248,.3);box-shadow:var(--shadow)}
.sell-card:hover::before{opacity:1}
.sell-icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,rgba(56,189,248,.2),rgba(56,189,248,.05));border:1px solid rgba(56,189,248,.25);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:26px;margin-bottom:20px;box-shadow:0 0 20px rgba(56,189,248,.08)}
.sell-card h4{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.sell-card p{font-size:15px;color:var(--text-muted);line-height:1.75;margin:0}
/* ===== 茶品精选 ===== */
.tea-section{background:rgba(255,255,255,.02)}
.tea-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.tea-card{
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);
  overflow:hidden;transition:all .35s ease;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.tea-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(56,189,248,.3)}
.tea-image{height:220px;position:relative;overflow:hidden}
.tea-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.tea-card:hover .tea-image img{transform:scale(1.05)}
.tea-tag{position:absolute;top:14px;left:14px;background:rgba(11,26,46,.75);color:#bae6fd;border:1px solid rgba(56,189,248,.4);backdrop-filter:blur(8px);padding:5px 14px;border-radius:30px;font-size:12px;font-weight:600}
.tea-info{padding:24px}
.tea-info h4{font-size:19px;color:#fff;font-weight:700;margin-bottom:8px}
.tea-info p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px;min-height:48px}
.tea-info .tea-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
.tea-price{font-size:16px;font-weight:700;color:var(--accent)}
.tea-link{font-size:14px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;transition:color .25s}
.tea-link:hover{color:var(--accent)}
/* ===== 口碑气泡 ===== */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.testimonial-card{
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:32px;position:relative;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:all .3s ease;
}
.testimonial-card:hover{transform:translateY(-6px);border-color:rgba(56,189,248,.25);box-shadow:var(--shadow-sm)}
.testimonial-card .quote-mark{font-size:44px;color:var(--accent);opacity:.3;line-height:1;margin-bottom:8px;font-family:Georgia,serif}
.testimonial-card p{font-size:15px;color:var(--text);line-height:1.85;margin-bottom:20px}
.testimonial-card .author{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-muted);border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
.testimonial-card .author i{color:var(--accent)}
/* ===== 资讯列表 ===== */
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.07);transition:background .3s;border-radius:12px;padding-left:12px;padding-right:12px}
.news-item:first-child{padding-top:6px}
.news-item:hover{background:rgba(255,255,255,.04)}
.news-item .news-icon{width:36px;height:36px;flex-shrink:0;border-radius:10px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.2);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:15px;margin-top:2px}
.news-item h4{font-size:16px;color:#e2e8f0;font-weight:600;line-height:1.5;margin-bottom:5px;transition:color .25s;cursor:pointer}
.news-item h4:hover{color:var(--accent)}
.news-item .meta{font-size:13px;color:var(--text-dim)}
.news-item .meta span{margin-right:12px}
.sidebar-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px;margin-bottom:22px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.sidebar-card h3{font-size:18px;color:#fff;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.sidebar-card h3 i{color:var(--accent)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a{background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.2);color:#7dd3fc;border-radius:30px;padding:7px 16px;font-size:13px;transition:all .25s}
.tag-list a:hover{background:rgba(56,189,248,.18);color:#fff;border-color:rgba(56,189,248,.4)}
.sidebar-list li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06);display:flex;align-items:center;gap:10px}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list li::before{content:'\f105';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--accent);font-size:12px}
.sidebar-list a{color:var(--text-muted);font-size:14px;transition:color .25s}
.sidebar-list a:hover{color:#fff}
/* ===== 数据指标 ===== */
.stats-section{background:linear-gradient(135deg,rgba(14,165,233,.06),rgba(56,189,248,.02));border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:24px 12px}
.stat-number{font-size:44px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#bae6fd);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:15px;color:var(--text-muted);margin-top:8px}
/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;margin-bottom:14px;padding:0;overflow:hidden;transition:border-color .3s}
.faq-item:hover{border-color:rgba(56,189,248,.25)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;cursor:pointer;font-size:17px;font-weight:600;color:#fff;transition:background .25s;user-select:none}
.faq-question i{color:var(--accent);transition:transform .3s;font-size:14px}
.faq-item.open .faq-question i{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer-inner{padding:0 26px 22px;color:var(--text-muted);line-height:1.85;font-size:15px}
.faq-item.open .faq-answer{max-height:800px}
/* ===== 预约 CTA ===== */
.booking-section{
  background:linear-gradient(to bottom,rgba(10,40,60,.85),rgba(11,26,46,.95)),url('/assets/images/backpic/back-2.jpg') no-repeat center center/cover;
  background-attachment:fixed;padding:100px 0;
}
.booking-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.booking-info .section-title{margin-bottom:20px}
.booking-info p{color:var(--text-muted);margin-bottom:24px;line-height:1.85}
.contact-list{margin-top:28px}
.contact-list li{display:flex;align-items:flex-start;gap:14px;margin-bottom:16px;color:var(--text-muted);font-size:15px}
.contact-list li i{width:38px;height:38px;flex-shrink:0;border-radius:12px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.25);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:16px}
.booking-form{background:rgba(255,255,255,.07);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.booking-form h3{font-size:22px;color:#fff;font-weight:700;margin-bottom:6px}
.booking-form .form-sub{font-size:14px;color:var(--text-muted);margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;color:var(--text-muted);margin-bottom:6px;font-weight:600}
.form-control{width:100%;background:rgba(11,26,46,.5);border:1px solid rgba(255,255,255,.14);border-radius:10px;color:#fff;padding:13px 18px;font-size:15px;transition:border-color .25s,box-shadow .25s}
.form-control:focus{outline:none;border-color:rgba(56,189,248,.6);box-shadow:0 0 0 3px rgba(56,189,248,.15)}
.form-control::placeholder{color:var(--text-dim)}
textarea.form-control{resize:vertical;min-height:90px}
.btn-submit{width:100%;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121f;border:none;border-radius:10px;padding:15px;font-size:16px;font-weight:700;cursor:pointer;transition:transform .25s,box-shadow .25s;margin-top:6px;display:inline-flex;align-items:center;justify-content:center;gap:10px}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}
/* ===== Footer ===== */
.site-footer{background:rgba(8,18,32,.85);border-top:1px solid rgba(255,255,255,.06);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-bottom{font-size:22px;font-weight:800;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.footer-brand .logo-bottom i{color:var(--accent)}
.footer-brand p{font-size:14px;color:var(--text-muted);line-height:1.8}
.footer-col h4{font-size:16px;color:#fff;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--text-muted);font-size:14px;transition:all .25s;display:inline-flex;align-items:center;gap:8px}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-col ul li a i{font-size:12px;color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-dim)}
/* ===== 通用按钮/焦点状态 ===== */
a:focus-visible,button:focus-visible,.form-control:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  :root{--spacing-section:70px}
  .hero-title{font-size:42px}
  .section-title{font-size:32px}
  .selling-grid,.tea-grid,.testimonial-grid{grid-template-columns:1fr 1fr}
  .story-grid{grid-template-columns:1fr;gap:36px}
  .news-layout{grid-template-columns:1fr;gap:32px}
  .booking-grid{grid-template-columns:1fr;gap:36px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-links{position:fixed;top:74px;left:0;right:0;background:rgba(11,26,46,.98);flex-direction:column;padding:24px;gap:16px;transform:translateY(-120%);transition:transform .35s ease;border-bottom:1px solid rgba(255,255,255,.1);z-index:98}
  .nav-links.open{transform:translateY(0)}
  .nav-link.active::after{display:none}
  .nav-toggle{display:block}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;border:none;background:rgba(255,255,255,.04);box-shadow:none;margin-top:10px;padding:16px;display:none}
  .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{display:block}
  .hero{padding:60px 0;min-height:auto}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-stat .num{font-size:24px}
  .selling-grid,.tea-grid,.testimonial-grid{grid-template-columns:1fr}
  .section-title{font-size:28px}
  .booking-section{background-attachment:scroll;padding:60px 0}
  .booking-form{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .nav-logo{font-size:17px}
  .nav-cta-btn{display:none}
  .hero-title{font-size:26px}
  .hero-badge{font-size:12px;padding:5px 12px}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%;justify-content:center;padding:13px 20px;font-size:15px}
  .hero-stats{flex-direction:column;gap:14px}
  .hero-stat{padding:0;border:none!important}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-number{font-size:32px}
  .ck-subs{margin-top:12px}
}

/* roulang page: category1 */
:root{
  --primary:#0ea5e9;
  --primary-light:#38bdf8;
  --primary-dark:#0369a1;
  --primary-glow:rgba(14,165,233,.45);
  --accent:#818cf8;
  --bg-deep:#070d18;
  --bg-dark:#0b1526;
  --bg-card:rgba(255,255,255,.055);
  --bg-card-hover:rgba(255,255,255,.09);
  --border-glow:rgba(148,163,184,.18);
  --text-main:#eef4ff;
  --text-sub:#a3b6d0;
  --text-weak:#7186a3;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-deep:0 24px 70px rgba(2,8,23,.7);
  --shadow-card:0 8px 30px rgba(2,8,23,.45);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg-deep);color:var(--text-main);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header Nav */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(7,13,24,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-glow);transition:var(--transition)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.12rem;color:var(--text-main);letter-spacing:.5px;white-space:nowrap}
.nav-logo i{font-size:1.35rem;color:var(--primary-light);filter:drop-shadow(0 0 8px var(--primary-glow))}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;color:var(--text-sub);font-weight:500;padding:8px 0;transition:var(--transition);background:none;border:none;font-size:.98rem}
.nav-link:hover{color:var(--text-main)}
.nav-link.active{color:var(--text-main)}
.nav-link.active::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;box-shadow:0 0 12px var(--primary-glow)}
.nav-cta-btn{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;padding:9px 20px;border-radius:999px;font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 20px rgba(14,165,233,.35);transition:var(--transition);border:none;cursor:pointer}
.nav-cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(14,165,233,.5);color:#fff}
.nav-toggle{display:none;background:none;border:none;color:var(--text-main);font-size:1.4rem;cursor:pointer;padding:8px}

/* Mega Menu */
.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:6px}
.mega-panel{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(10px);width:540px;background:rgba(11,21,38,.97);backdrop-filter:blur(20px);border:1px solid var(--border-glow);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-deep);opacity:0;visibility:hidden;transition:var(--transition);z-index:100}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-panel-title{font-weight:700;font-size:.88rem;color:var(--text-weak);text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mega-item{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:12px;transition:var(--transition);border:1px solid transparent}
.mega-item:hover{background:var(--bg-card);border-color:var(--border-glow)}
.mega-item i{margin-top:4px;color:var(--primary-light);font-size:1rem;width:20px}
.mega-item strong{display:block;font-size:.92rem;margin-bottom:2px}
.mega-item small{color:var(--text-weak);font-size:.78rem}

/* Hero */
.hero-section{position:relative;display:flex;align-items:center;background:url('/assets/images/backpic/back-1.jpg') no-repeat center center/cover;padding:150px 0 110px;min-height:92vh}
.hero-section::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(7,13,24,.94) 0%,rgba(7,13,24,.78) 45%,rgba(7,13,24,.4) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:52px;align-items:center;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(14,165,233,.14);border:1px solid rgba(14,165,233,.3);color:var(--primary-light);padding:6px 18px;border-radius:999px;font-size:.85rem;font-weight:600;letter-spacing:1px;margin-bottom:20px}
.hero-badge i{font-size:.9rem}
.hero-title{font-size:3.1rem;line-height:1.18;font-weight:800;letter-spacing:1px;color:var(--text-main)}
.hero-title span{background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:1.1rem;color:var(--text-sub);max-width:600px;margin:22px 0 34px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.btn-app{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-weight:600;font-size:1rem;transition:var(--transition);border:none;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 4px 24px rgba(14,165,233,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 36px rgba(14,165,233,.55);color:#fff}
.btn-block{width:100%}
.btn-play{display:inline-flex;align-items:center;gap:10px;color:var(--text-main);font-weight:600;font-size:.98rem;transition:var(--transition);cursor:pointer;background:none;border:none;padding:6px 4px}
.btn-play i{font-size:2.1rem;color:var(--primary-light);filter:drop-shadow(0 0 12px var(--primary-glow));transition:var(--transition)}
.btn-play:hover i{transform:scale(1.08)}
.hero-panel{background:rgba(255,255,255,.08);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-deep)}
.hero-panel-header{font-size:1.05rem;font-weight:700;margin-bottom:10px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:10px}
.hero-panel-header i{color:var(--primary-light)}
.hero-panel ul{list-style:none}
.hero-panel ul li{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.hero-panel ul li:last-child{border-bottom:none}
.hero-panel ul li i{color:var(--primary-light);margin-top:5px;font-size:1rem;width:18px}
.hero-panel ul li strong{display:block;font-size:.95rem}
.hero-panel ul li span{color:var(--text-sub);font-size:.84rem}

/* Section Head */
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-label{display:inline-block;background:rgba(14,165,233,.12);color:var(--primary-light);padding:5px 18px;border-radius:999px;font-size:.84rem;font-weight:600;letter-spacing:1px;margin-bottom:14px;border:1px solid rgba(14,165,233,.25)}
.section-head h2{font-size:2rem;line-height:1.3;margin-bottom:14px;font-weight:700}
.section-head p{color:var(--text-sub);font-size:1rem}

/* Metrics */
.metrics-section{padding:88px 0;background:var(--bg-dark);position:relative;overflow:hidden}
.metrics-section::before{content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(14,165,233,.16),transparent 70%);border-radius:50%}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.metric-card{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-md);padding:28px 24px;backdrop-filter:blur(10px);transition:var(--transition)}
.metric-card:hover{transform:translateY(-5px);border-color:rgba(14,165,233,.35);box-shadow:var(--shadow-card)}
.metric-num{font-size:2.6rem;font-weight:800;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.metric-label{font-size:1.02rem;font-weight:700;margin-top:10px}
.metric-card p{color:var(--text-sub);font-size:.85rem;margin-top:8px;line-height:1.6}

/* Matrix */
.matrix-section{padding:90px 0;background:var(--bg-deep);position:relative}
.anchor-helper{position:absolute;top:0;left:0;width:1px;height:1px}
.matrix-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.matrix-card{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.matrix-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:rgba(14,165,233,.4)}
.matrix-media{overflow:hidden;position:relative}
.matrix-media img{width:100%;height:210px;object-fit:cover;transition:transform .55s}
.matrix-card:hover .matrix-media img{transform:scale(1.05)}
.matrix-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1.2fr 1fr;align-items:stretch}
.matrix-card.featured .matrix-media img{height:100%;min-height:320px}
.matrix-body{padding:26px;display:flex;flex-direction:column;flex:1}
.matrix-tag{display:inline-block;background:rgba(14,165,233,.14);color:var(--primary-light);padding:4px 13px;border-radius:999px;font-size:.78rem;font-weight:600;letter-spacing:.5px;margin-bottom:12px;align-self:flex-start}
.matrix-body h3{font-size:1.22rem;margin-bottom:10px;line-height:1.4}
.matrix-body p{color:var(--text-sub);font-size:.92rem;line-height:1.7;margin-bottom:16px;flex:1}
.text-link{color:var(--primary-light);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.text-link:hover{gap:11px;color:var(--text-main)}

/* Compare */
.compare-section{padding:90px 0;background:var(--bg-dark)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.compare-col{padding:32px;border-radius:var(--radius-lg);border:1px solid var(--border-glow);background:var(--bg-card);transition:var(--transition)}
.compare-col:hover{transform:translateY(-4px)}
.compare-col.bad{border-color:rgba(239,68,68,.25)}
.compare-col.good{border-color:rgba(14,165,233,.4);box-shadow:0 0 40px rgba(14,165,233,.08)}
.compare-title{font-size:1.18rem;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-col.bad .compare-title{color:#f87171}
.compare-col.good .compare-title{color:var(--primary-light)}
.compare-col ul{list-style:none}
.compare-col ul li{position:relative;padding-left:26px;margin-bottom:14px;color:var(--text-sub);font-size:.94rem;line-height:1.6}
.compare-col ul li::before{font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:.95rem}
.compare-col.bad ul li::before{content:"\f00d";color:#f87171}
.compare-col.good ul li::before{content:"\f00c";color:#34d399}

/* FAQ */
.faq-section{padding:90px 0;background:var(--bg-deep)}
.faq-list{margin:0;list-style:none}
.faq-list .accordion-item{list-style:none;background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden;transition:var(--transition)}
.faq-list .accordion-item:hover{border-color:rgba(14,165,233,.28)}
.faq-list .accordion-title{background:transparent !important;border-bottom:1px solid transparent;color:var(--text-main) !important;padding:20px 24px;font-size:1rem;font-weight:600;display:flex;justify-content:space-between;align-items:center;line-height:1.5;transition:var(--transition)}
.faq-list .accordion-title:hover{color:var(--primary-light) !important}
.faq-list .accordion-title::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.85rem;color:var(--text-weak);margin-left:16px;transition:var(--transition);border:none !important}
.faq-list .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--primary-light)}
.faq-list .accordion-content{padding:0 24px 22px !important;color:var(--text-sub);background:transparent !important;border-bottom:none !important;font-size:.94rem;line-height:1.75}

/* CTA */
.cta-section{padding:90px 0;background:var(--bg-dark);position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;bottom:-140px;left:-80px;width:400px;height:400px;background:radial-gradient(circle,rgba(129,140,248,.14),transparent 70%);border-radius:50%}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;position:relative;z-index:1}
.cta-info .section-label{margin-bottom:14px}
.cta-info h2{font-size:2.1rem;line-height:1.3;margin-bottom:16px}
.cta-info p{color:var(--text-sub);font-size:1rem;line-height:1.75;margin-bottom:28px}
.cta-contact ul{list-style:none}
.cta-contact ul li{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--text-sub);font-size:.95rem}
.cta-contact ul li i{color:var(--primary-light);width:20px;text-align:center;font-size:1rem}
.form-card{background:rgba(255,255,255,.06);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-deep)}
.form-card h3{font-size:1.3rem;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.88rem;color:var(--text-sub);margin-bottom:8px;font-weight:600}
.form-control{width:100%;background:rgba(255,255,255,.06);border:1px solid var(--border-glow);border-radius:10px;padding:12px 14px;color:var(--text-main);font-size:.93rem;transition:var(--transition);appearance:none;-webkit-appearance:none}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,165,233,.18);background:rgba(255,255,255,.08)}
.form-control::placeholder{color:var(--text-weak)}
select.form-control option{background:var(--bg-dark);color:var(--text-main)}
.form-tip{font-size:.82rem;color:var(--text-weak);text-align:center;margin-top:16px}

/* Footer */
.site-footer{background:#060b15;border-top:1px solid var(--border-glow);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.logo-bottom{font-size:1.18rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.logo-bottom i{color:var(--primary-light)}
.footer-brand p{color:var(--text-sub);font-size:.92rem;line-height:1.8}
.footer-col h4{color:var(--text-main);font-size:1rem;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:var(--text-sub);font-size:.9rem;transition:var(--transition);display:inline-flex;align-items:center;gap:7px}
.footer-col ul a:hover{color:var(--primary-light);transform:translateX(4px)}
.footer-col ul a i{font-size:.7rem;color:var(--text-weak)}
.footer-bottom{border-top:1px solid var(--border-glow);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-weak);font-size:.85rem}

/* Video Modal */
.video-modal{position:fixed;inset:0;z-index:2000;background:rgba(2,8,23,.93);display:none;align-items:center;justify-content:center;padding:24px}
.video-modal.open{display:flex}
.video-modal-content{max-width:680px;width:100%;background:var(--bg-dark);border:1px solid var(--border-glow);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-deep);position:relative}
.video-cover{position:relative}
.video-cover img{width:100%;height:340px;object-fit:cover}
.video-cover-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(14,165,233,.78);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff;box-shadow:0 0 44px rgba(14,165,233,.6);border:2px solid rgba(255,255,255,.3)}
.video-modal-content h3{padding:22px 24px 8px;font-size:1.28rem}
.video-modal-content p{padding:0 24px 24px;color:var(--text-sub);font-size:.94rem;line-height:1.7}
.video-modal-close{position:absolute;top:14px;right:16px;z-index:2;width:36px;height:36px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:1.15rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);border:none;backdrop-filter:blur(8px)}
.video-modal-close:hover{background:rgba(14,165,233,.8);transform:rotate(90deg)}

/* Responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-title{font-size:2.5rem}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .matrix-card.featured{grid-template-columns:1fr}
  .matrix-card.featured .matrix-media img{height:260px;min-height:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-grid{gap:36px}
}
@media(max-width:768px){
  .header-inner{padding:0 16px}
  .nav-toggle{display:block}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:rgba(7,13,24,.98);backdrop-filter:blur(20px);flex-direction:column;align-items:flex-start;padding:24px;gap:14px;transform:translateY(-130%);transition:var(--transition);border-bottom:1px solid var(--border-glow);max-height:calc(100vh - 72px);overflow:auto;box-shadow:var(--shadow-deep)}
  .nav-links.open{transform:translateY(0)}
  .nav-links .nav-link{width:100%;padding:10px 0}
  .nav-cta-btn{margin-top:6px;width:100%;justify-content:center}
  .mega-panel{position:static;transform:none;width:100%;opacity:1;visibility:visible;margin-top:10px;box-shadow:none;background:rgba(255,255,255,.04);border-radius:12px}
  .mega-wrap:hover .mega-panel{transform:none}
  .mega-grid{grid-template-columns:1fr}
  .hero-section{padding:130px 0 80px;min-height:auto}
  .hero-grid{grid-template-columns:1fr}
  .hero-title{font-size:2.1rem}
  .hero-panel{margin-top:20px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .matrix-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .metrics-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-play{justify-content:center}
  .section-head h2{font-size:1.6rem}
  .hero-title{font-size:1.85rem}
  .matrix-body{padding:20px}
  .compare-col{padding:24px}
  .form-card{padding:26px}
  .cta-section .container,.faq-section .container{margin:0;width:100%;padding:0 20px}
}