/* roulang page: index */
:root{
  --primary:#1F6FE0;
  --primary-dark:#1756b8;
  --primary-light:#eaf2fe;
  --accent:#00A6C0;
  --accent-light:#e6f7fa;
  --gold:#F5B84B;
  --gold-light:#fef6e5;
  --bg:#F5F9FF;
  --card:#ffffff;
  --text:#152238;
  --text-weak:#5b6b85;
  --text-mute:#8b98ae;
  --border:#dfe8f2;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 4px 18px rgba(20,45,90,.06);
  --shadow-md:0 12px 34px rgba(20,45,90,.08);
  --shadow-lg:0 22px 54px rgba(20,45,90,.12);
  --space-48:48px;
  --space-32:32px;
  --space-24:24px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-head{margin-bottom:48px;}
.section-head .section-kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
}
.section-head .section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--primary);}
.section-head h2{
  font-size:30px;font-weight:700;letter-spacing:-.02em;margin-top:12px;color:var(--text);
  display:flex;align-items:center;gap:14px;
}
.section-head p{color:var(--text-weak);font-size:15px;margin-top:12px;max-width:640px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:0 22px;height:46px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
  position:relative;overflow:hidden;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(31,111,224,.24);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 14px 30px rgba(31,111,224,.3);}
.btn-primary:focus-visible{outline:3px solid rgba(31,111,224,.25);outline-offset:3px;}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.btn-outline:focus-visible{outline:3px solid rgba(31,111,224,.18);outline-offset:3px;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn .arrow{transition:transform .2s ease;display:inline-block;margin-left:4px;}
.btn:hover .arrow{transform:translateX(3px);}
.text-link{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px;position:relative;}
.text-link .arrow{transition:transform .2s;}
.text-link:hover .arrow{transform:translateX(3px);}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:72px;transition:all .3s ease;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(223,232,242,.6);
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 8px 30px rgba(20,45,90,.08);
  border-bottom-color:var(--border);
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.site-logo{
  font-size:18px;font-weight:750;letter-spacing:.01em;color:var(--text);
  display:flex;align-items:center;line-height:1.25;position:relative;white-space:nowrap;
}
.site-logo::before{
  content:"";width:10px;height:10px;border-radius:3px;margin-right:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  font-size:14.5px;font-weight:500;color:var(--text-weak);
  padding:9px 14px;border-radius:9px;transition:all .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-link.active{color:var(--primary);font-weight:600;background:var(--primary-light);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:#fff;display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all .3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(3.5px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-3.5px) rotate(-45deg);}
.nav-mobile-cta{display:none;}

/* Hero */
.hero{
  position:relative;padding:172px 0 96px;overflow:hidden;
  background:
    radial-gradient(circle at 18% 30%,rgba(31,111,224,.10),transparent 42%),
    radial-gradient(circle at 85% 20%,rgba(0,166,192,.10),transparent 38%),
    linear-gradient(180deg,#f8fbff 0%,#eef5fe 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;opacity:.55;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 20%;
  mix-blend-mode:multiply;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,111,224,.18),transparent);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;
  gap:64px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);background:rgba(255,255,255,.8);
  border:1px solid rgba(31,111,224,.16);border-radius:999px;padding:6px 14px;
  margin-bottom:24px;font-weight:600;letter-spacing:.03em;
}
.hero-tag i{width:7px;height:7px;background:var(--accent);border-radius:50%;}
.hero h1{
  font-size:46px;line-height:1.3;font-weight:750;letter-spacing:-.025em;
  color:var(--text);text-wrap:balance;
}
.hero h1 span{color:var(--primary);}
.hero-lead{
  font-size:17px;line-height:1.85;color:var(--text-weak);margin:24px 0 32px;
  max-width:500px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:14px;position:relative;
}
.hero-card img{
  width:100%;height:280px;object-fit:cover;border-radius:16px;
  background:var(--primary-light);
}
.hero-card-top{display:flex;align-items:center;justify-content:space-between;padding:6px 4px 12px;}
.live-wrap{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);}
.live-dot{width:8px;height:8px;border-radius:50%;background:#28c76f;box-shadow:0 0 0 4px rgba(40,199,111,.15);}
.hero-mini-tags{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:10px 6px 2px;
}
.hero-mini-tags li{
  background:var(--primary-light);color:var(--primary);font-size:12.5px;
  border-radius:999px;padding:4px 12px;font-weight:500;
}
.hero-scroll-hint{
  position:absolute;bottom:-128px;left:0;
  display:flex;align-items:center;gap:8px;color:var(--text-mute);font-size:12.5px;
}
.hero-scroll-hint::before{content:"";width:22px;height:2px;background:var(--text-mute);}

/* 品牌信息条 */
.info-strip{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:26px 0;position:relative;z-index:4;
}
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.info-item{display:flex;align-items:center;gap:16px;}
.info-num{
  width:52px;height:52px;flex:0 0 52px;border-radius:16px;
  background:var(--primary-light);color:var(--primary);
  font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;
}
.info-item h3{font-size:15px;font-weight:650;margin-bottom:2px;}
.info-item p{font-size:13px;color:var(--text-weak);line-height:1.55;}

/* 时间线 */
.timeline-section{background:#fff}
.timeline-list{position:relative;margin-top:8px;padding:20px 0;}
.timeline-list::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary-light),var(--primary),var(--primary-light));
  border-radius:2px;
}
.tl-item{display:grid;grid-template-columns:1fr 48px 1fr;align-items:center;gap:0;padding:26px 0;position:relative;}
.tl-item:nth-child(odd) .tl-card{grid-column:1;text-align:right;}
.tl-item:nth-child(odd) .tl-date-block{grid-column:3;text-align:left;}
.tl-item:nth-child(even) .tl-date-block{grid-column:1;text-align:right;}
.tl-item:nth-child(even) .tl-card{grid-column:3;text-align:left;}
.tl-center{grid-column:2;display:flex;justify-content:center;}
.tl-node{width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--primary);box-shadow:0 0 0 6px var(--primary-light);}
.tl-card{
  background:var(--bg);border:1px solid var(--border);border-radius:18px;
  padding:22px 24px;transition:all .25s ease;box-shadow:var(--shadow-sm);
}
.tl-card:hover{border-color:rgba(31,111,224,.3);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.tl-card .tl-date{font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.05em;background:var(--primary-light);border-radius:999px;display:inline-block;padding:3px 12px;}
.tl-card h3{margin:12px 0 6px;font-size:17px;font-weight:650;}
.tl-card p{font-size:14px;color:var(--text-weak);line-height:1.7;}
.tl-date-block{color:var(--text-mute);font-size:13px;font-weight:500;}
.tl-date-block strong{display:block;font-size:15px;color:var(--text);margin-top:2px;}

/* 亮点模块 */
.features-section{background:var(--bg);}
.feature-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;
  margin-bottom:32px;
}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;transition:all .28s ease;box-shadow:var(--shadow-sm);
}
.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(31,111,224,.35);}
.feature-card .feature-img{height:190px;overflow:hidden;background:var(--primary-light);}
.feature-card .feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s;}
.feature-card:hover .feature-img img{transform:scale(1.04);}
.feature-body{padding:26px 26px 30px;}
.feature-card h3{font-size:19px;font-weight:650;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.feature-card h3::before{content:"";width:6px;height:18px;border-radius:4px;background:var(--primary);}
.feature-card p{font-size:14.5px;color:var(--text-weak);line-height:1.75;margin-bottom:16px;}
.side-cards{display:flex;flex-direction:column;gap:28px;}
.side-card{display:grid;grid-template-columns:.82fr 1.18fr;align-items:center;background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;transition:all .25s;box-shadow:var(--shadow-sm);}
.side-card:hover{border-color:rgba(31,111,224,.3);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.side-card .feature-img{height:100%;min-height:150px;}
.side-card .feature-img img{height:100%;min-height:150px;object-fit:cover;}
.promise-bar{
  background:linear-gradient(105deg,#fff,#f0f6ff);
  border:1px solid rgba(31,111,224,.12);border-radius:20px;
  padding:20px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;
}
.promise-bar p{color:var(--text-weak);font-size:14px;}
.promise-bar strong{color:var(--primary);}

/* 档位对比 */
.plans-section{background:#fff;}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:stretch;}
.plan-item{
  background:var(--bg);border:1px solid var(--border);border-radius:24px;
  padding:36px 32px 32px;display:flex;flex-direction:column;position:relative;
  transition:all .28s ease;box-shadow:var(--shadow-sm);
}
.plan-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.plan-item.featured{
  background:#fff;border:2px solid var(--primary);box-shadow:0 18px 40px rgba(31,111,224,.12);
  transform:scale(1.02);
}
.plan-item.featured::before{
  content:"推荐档位";position:absolute;top:-13px;left:32px;
  background:var(--gold);color:#5c4015;font-size:12px;font-weight:700;
  border-radius:999px;padding:4px 14px;letter-spacing:.04em;box-shadow:0 6px 16px rgba(245,184,75,.3);
}
.plan-tag{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.06em;text-transform:uppercase;}
.plan-item h3{font-size:22px;font-weight:700;margin:8px 0 6px;}
.plan-desc{font-size:13.5px;color:var(--text-weak);min-height:42px;}
.plan-price{font-size:32px;font-weight:750;margin:18px 0;letter-spacing:-.02em;color:var(--text);}
.plan-price small{font-size:13px;color:var(--text-mute);font-weight:400;margin-left:6px;}
.plan-list{margin:18px 0 28px;border-top:1px dashed var(--border);padding-top:18px;}
.plan-list li{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:14px;color:var(--text-weak);}
.plan-list li::before{content:"✓";color:#2fae6b;font-weight:700;background:#e8f8ee;width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;flex:0 0 18px;}
.plan-cta{margin-top:auto;}
.featured .btn{background:var(--primary);border-color:var(--primary);}
.featured .btn:hover{background:var(--primary-dark);}

/* 表单区块 */
.signup-section{
  background:linear-gradient(180deg,#fff 0%,#f4f9ff 100%);
}
.signup-wrap{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center;}
.signup-copy h2{font-size:30px;font-weight:700;letter-spacing:-.02em;margin:16px 0 18px;}
.signup-copy p{color:var(--text-weak);font-size:15px;line-height:1.85;margin-bottom:24px;}
.signup-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text);padding:6px 0;}
.signup-points li i{color:var(--primary);font-style:normal;font-weight:700;}
.signup-card{
  background:#fff;border:1px solid var(--border);border-radius:24px;
  padding:34px 32px;box-shadow:var(--shadow-lg);
}
.signup-card h3{font-size:19px;margin-bottom:24px;font-weight:650;}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--text);}
.form-group input,.form-group select,.form-group textarea{
  width:100%;height:46px;border-radius:10px;border:1px solid var(--border);
  background:#fbfdff;padding:0 16px;font-size:14.5px;transition:all .2s ease;color:var(--text);
}
.form-group textarea{height:auto;min-height:84px;padding:12px 16px;resize:vertical;}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px rgba(31,111,224,.12);
}
.form-group input.error,.form-group textarea.error,.form-group select.error{border-color:#d64545;background:#fff8f8;}
.form-error{color:#d64545;font-size:12px;margin-top:6px;display:none;}
.form-group.has-error .form-error{display:block;}
.form-privacy{font-size:12.5px;color:var(--text-mute);margin-top:14px;text-align:center;line-height:1.6;}
.signup-success{
  background:#e8f8ee;border:1px solid #bbe9cd;border-radius:16px;
  padding:40px 24px;text-align:center;color:#1e7d47;display:none;
}
.signup-success strong{font-size:17px;display:block;margin-bottom:6px;}
.signup-success p{font-size:14px;color:#3d9162;}

/* 资讯列表 */
.news-section{background:var(--bg);}
.news-section .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;
  transition:all .3s ease;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
}
.news-card:hover{border-color:rgba(31,111,224,.3);box-shadow:var(--shadow-lg);transform:translateY(-5px);}
.news-thumb{position:relative;height:180px;overflow:hidden;background:var(--primary-light);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.9);
  color:var(--primary);font-size:12px;font-weight:600;backdrop-filter:blur(8px);
  padding:4px 10px;border-radius:8px;
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-mute);margin-bottom:10px;}
.news-meta .cat{color:var(--accent);font-weight:600;}
.news-meta time::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:#c3cfdf;margin-right:8px;vertical-align:middle;}
.news-card h3{font-size:17px;font-weight:650;line-height:1.6;margin-bottom:8px;color:var(--text);}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .text-link{margin-top:auto;}
.empty-state{
  grid-column:1/-1;text-align:center;background:#fff;border:1px dashed var(--border);
  border-radius:20px;padding:60px 20px;color:var(--text-mute);font-size:15px;
}
.empty-state .empty-icon{font-size:32px;margin-bottom:10px;}

/* FAQ */
.faq-section{background:#fff;}
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-wrap .section-head{text-align:center;}
.faq-wrap .section-head p{margin-left:auto;margin-right:auto;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  padding:22px 14px 22px 4px;display:flex;justify-content:space-between;
  align-items:center;gap:20px;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;transition:color .2s;
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  position:relative;transition:all .3s ease;
}
.faq-q .faq-icon::before{content:"+";font-size:18px;font-weight:400;color:var(--primary);transition:all .3s ease;}
.faq-item.open .faq-icon{background:var(--primary);transform:rotate(45deg);border-color:var(--primary);}
.faq-item.open .faq-icon::before{color:#fff;}
.faq-q:focus-visible{outline:3px solid rgba(31,111,224,.25);border-radius:8px;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a .faq-a-inner{padding:2px 14px 22px 4px;color:var(--text-weak);font-size:14.5px;line-height:1.85;}
.faq-item.open .faq-a{max-height:260px;}

/* CTA */
.cta-banner{
  background:linear-gradient(120deg,#0e2b5e 0%,#1f6fe0 100%);
  padding:84px 0;position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp');
  background-size:cover;opacity:.12;mix-blend-mode:lighten;
}
.cta-banner .container{position:relative;z-index:2;text-align:center;}
.cta-banner h2{font-size:32px;color:#fff;font-weight:700;letter-spacing:-.02em;}
.cta-banner p{color:rgba(255,255,255,.82);font-size:16px;margin-top:14px;max-width:620px;margin-left:auto;margin-right:auto;}
.cta-actions{display:flex;gap:16px;justify-content:center;margin-top:34px;flex-wrap:wrap;}
.cta-banner .btn-white{background:#fff;color:var(--primary);box-shadow:0 10px 24px rgba(0,0,0,.14);}
.cta-banner .btn-white:hover{background:#f0f5ff;transform:translateY(-2px);}
.cta-banner .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(8px);}
.cta-banner .btn-ghost:hover{background:rgba(255,255,255,.2);}

/* 页脚 */
.site-footer{background:#0c1e3a;color:rgba(255,255,255,.72);}
.footer-grid{
  display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:56px;
  padding:60px 0 48px;
}
.footer-logo{display:flex;align-items:center;color:#fff;font-size:18px;font-weight:700;}
.footer-logo::before{content:"";width:10px;height:10px;border-radius:3px;margin-right:10px;background:linear-gradient(135deg,#5b9bff,#00d1e6);}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.58);max-width:280px;}
.footer-col h3,.footer-connect h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.65);transition:color .2s,padding-left .2s;position:relative;}
.footer-col a:hover{color:#fff;padding-left:6px;}
.footer-connect p{font-size:14px;color:rgba(255,255,255,.65);line-height:1.9;}
.footer-connect .btn{margin-top:16px;background:#fff;color:#0c1e3a;}
.footer-connect .btn:hover{background:#e7eefc;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.4);}

/* 响应式 */
@media (max-width:1280px){
  .container{max-width:1060px;}
  .hero{padding:150px 0 88px;}
  .hero h1{font-size:40px;}
  .footer-grid{grid-template-columns:1.3fr .8fr .8fr 1fr;gap:40px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:72px;left:16px;right:16px;background:rgba(255,255,255,.96);
    backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:18px;
    padding:18px;display:none;flex-direction:column;gap:4px;
    box-shadow:var(--shadow-lg);
  }
  .main-nav.open{display:flex;}
  .nav-link{font-size:16px;padding:13px 16px;width:100%;border-radius:12px;}
  .main-nav .nav-mobile-cta{display:flex;margin-top:8px;}
  .login-cta{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:54px;}
  .hero-card{max-width:560px;}
  .hero-scroll-hint{display:none;}
  .info-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .feature-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;gap:32px;max-width:560px;margin:0 auto;}
  .plan-item.featured{transform:scale(1);order:-1;}
  .signup-wrap{grid-template-columns:1fr;gap:48px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:44px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .hero{padding:130px 0 76px;background-position:center;}
  .hero h1{font-size:33px;line-height:1.34;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:25px;}
  .timeline-list::before{left:19px;}
  .tl-item{grid-template-columns:1fr;padding:18px 0;padding-left:54px;}
  .tl-center{display:none;}
  .tl-item:nth-child(odd) .tl-card,.tl-item:nth-child(even) .tl-card,
  .tl-item:nth-child(odd) .tl-date-block,.tl-item:nth-child(even) .tl-date-block{grid-column:auto;text-align:left;margin-left:0;}
  .tl-date-block{margin-bottom:8px;}
  .side-card{grid-template-columns:1fr;}
  .side-card .feature-img{min-height:140px;}
  .plan-item{padding:30px 24px;}
  .cta-banner h2{font-size:26px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding:48px 0 36px;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
  .news-grid{grid-template-columns:1fr;}
  .signup-card{padding:28px 22px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .info-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:23px;}
  .hero-inner{gap:40px;}
  .nav-inner{gap:14px;}
  .site-logo{font-size:16px;}
  .promise-bar{flex-direction:column;align-items:flex-start;}
  .news-section .section-head{flex-direction:column;align-items:flex-start;}
  .news-section .section-head .text-link{display:none;}
}

/* roulang page: article */
:root{
  --primary:#1F6FE0;
  --primary-dark:#1557B0;
  --primary-light:#E9F1FE;
  --accent:#00A6C0;
  --accent-bg:#E0F4F8;
  --gold:#F5A524;
  --bg:#F5F9FF;
  --card:#FFFFFF;
  --text:#1C2A36;
  --weak:#5C6E80;
  --muted:#8FA0B0;
  --line:#E4EBF3;
  --line-strong:#D8E3EF;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-sm:0 4px 16px rgba(20,45,90,0.04);
  --shadow-card:0 10px 30px rgba(20,45,90,0.06),0 2px 8px rgba(20,45,90,0.03);
  --shadow-hover:0 20px 44px rgba(20,45,90,0.10),0 6px 16px rgba(20,45,90,0.05);
  --container:1200px;
  --font-main:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
button{font-family:inherit;cursor:pointer}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0;position:relative}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:13px 22px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  transition:all .2s ease;
  text-align:center;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(31,111,224,.26)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(31,111,224,.32)}
.btn-outline{border-color:var(--line-strong);background:rgba(255,255,255,.7);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn .arrow-right{transition:transform .2s ease}
.btn:hover .arrow-right{transform:translateX(4px)}
.btn-sm{padding:10px 16px;font-size:14px}
.btn:focus-visible,.nav-toggle:focus-visible,.nav-link:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  padding:6px 12px;
  border-radius:999px;
  background:var(--accent-bg);
  color:#0B7B8C;
  line-height:1.2;
}
[data-slug]{cursor:pointer}

/* ===== Header ===== */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  height:76px;
  background:rgba(245,249,255,.66);
  backdrop-filter:blur(18px) saturate(1.7);
  -webkit-backdrop-filter:blur(18px) saturate(1.7);
  border-bottom:1px solid rgba(226,232,240,.55);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 8px 30px rgba(20,45,90,.08);
  border-bottom-color:#E9EEF5;
}
.nav-inner{
  height:76px;
  display:flex;
  align-items:center;
  gap:22px;
}
.site-logo{
  font-size:22px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--primary-dark);
  flex-shrink:0;
  position:relative;
  z-index:1002;
}
.site-logo::before{
  content:"";
  display:inline-block;
  width:9px;
  height:9px;
  border-radius:3px;
  background:var(--primary);
  margin-right:9px;
  box-shadow:3px 3px 0 var(--primary-light);
  vertical-align:2px;
}
.main-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  font-size:15px;
  font-weight:500;
  color:#22313F;
  padding:10px 2px;
  position:relative;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transition:right .25s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{right:0}
.nav-tools{display:flex;align-items:center;gap:14px}
.nav-mobile-cta{display:none!important}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  background:transparent;
  border:1px solid rgba(31,111,224,.18);
  border-radius:12px;
  padding:0;
  position:relative;
  z-index:1002;
  justify-content:center;
  align-items:center;
  gap:4px;
  flex-direction:column;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--primary-light);border-color:var(--primary)}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--primary-dark);border-radius:4px;
  transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;
  padding:156px 0 58px;
  background-image:
    linear-gradient(78deg,rgba(255,255,255,.98) 6%,rgba(245,249,255,.93) 42%,rgba(224,244,248,.88) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(216,227,239,.5);
}
.article-hero .hero-inner{max-width:860px}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--weak);margin-bottom:18px}
.breadcrumbs a{color:var(--weak)}
.breadcrumbs a:hover{color:var(--primary)}
.crumb-sep{color:#C4D0DC}
.crumb-current{color:var(--weak)}
.hero-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 14px;
  border-radius:999px;
  background:#fff;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  box-shadow:0 4px 10px rgba(20,45,90,.05);
  margin-bottom:18px;
  border:1px solid var(--line);
}
.hero-cat::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(0,166,192,.12);
}
.article-title{
  font-size:38px;
  line-height:1.3;
  font-weight:750;
  color:#15273A;
  letter-spacing:-.5px;
  margin:0 0 18px;
}
.article-title-mark{
  margin:0 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.article-h-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  font-size:14px;
  color:var(--weak);
  padding-top:18px;
  border-top:1px solid rgba(216,227,239,.7);
  margin-top:2px;
}
.article-h-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-h-meta svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.article-h-meta .source{color:var(--primary);font-weight:600}

/* ===== Article Layout ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:42px;
  align-items:start;
  padding-top:52px;
  padding-bottom:76px;
}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-card);
  padding:54px 56px 40px;
  min-width:0;
}
.article-content{
  font-size:16px;
  color:#243443;
}
.article-content>p:first-child{
  font-size:18px;
  line-height:1.95;
  color:#19344D;
  font-weight:500;
}
.article-content p{
  line-height:1.9;
  margin-bottom:1.35rem;
}
.article-content h2{
  font-size:24px;
  line-height:1.5;
  margin:2.5rem 0 1rem;
  padding-left:16px;
  border-left:4px solid var(--primary);
  color:#16283D;
  font-weight:700;
  border-radius:2px;
}
.article-content h3{
  font-size:20px;
  margin:2rem 0 .9rem;
  color:#1B3042;
  font-weight:650;
}
.article-content h4{
  font-size:17px;
  margin:1.6rem 0 .7rem;
  color:#223B50;
  font-weight:650;
}
.article-content a{
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(31,111,224,.35);
}
.article-content ul,.article-content ol{
  margin:0 0 1.5rem;
  padding-left:0;
  display:grid;
  gap:10px;
}
.article-content ul li{
  position:relative;
  padding-left:26px;
  color:#2A3946;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:4px;top:10px;
  width:10px;height:10px;
  background:var(--primary-light);
  border-radius:4px;
  border:2px solid var(--primary);
}
.article-content ol{
  counter-reset:li;
}
.article-content ol li{
  counter-increment:li;
  position:relative;
  padding-left:32px;
}
.article-content ol li::before{
  content:counter(li);
  position:absolute;
  left:0;top:1px;
  width:22px;height:22px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.article-content blockquote{
  margin:1.8rem 0;
  padding:20px 24px;
  background:#F2F7FF;
  border-radius:14px;
  border-left:4px solid var(--primary);
  color:#3A566E;
  font-size:15px;
  line-height:1.85;
}
.article-content blockquote p{margin-bottom:0}
.article-content img{
  border-radius:18px;
  margin:1.4rem 0;
  box-shadow:var(--shadow-card);
}
.article-content table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:1.6rem 0;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  font-size:14px;
}
.article-content th{
  background:var(--primary-light);
  color:#153B66;
  font-weight:600;
  padding:12px 16px;
  text-align:left;
}
.article-content td{
  padding:12px 16px;
  border-top:1px solid var(--line);
  color:#33495C;
}
.article-content code{
  background:#EEF3F8;
  border-radius:6px;
  padding:2px 7px;
  font-size:14px;
  color:#0D3F78;
}
.article-content pre{
  background:#172A3A;
  color:#E7F0FB;
  padding:20px;
  border-radius:16px;
  overflow:auto;
  line-height:1.7;
  margin:1.5rem 0;
}
.article-content pre code{
  background:transparent;
  color:inherit;
  padding:0;
}
.article-content hr{
  border:0;
  border-top:1px solid var(--line);
  margin:2rem 0;
}

/* ===== Article Pager ===== */
.article-pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:44px;
  padding-top:34px;
  border-top:1px solid var(--line);
}
.pager-link{
  display:flex;
  flex-direction:column;
  gap:8px;
  background:#F8FAFC;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px 20px;
  transition:all .25s ease;
}
.pager-link:hover{
  border-color:var(--primary);
  background:var(--primary-light);
  transform:translateY(-2px);
  box-shadow:var(--shadow-card);
}
.pager-next{text-align:right;align-items:flex-end}
.pager-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  font-weight:600;
}
.pager-title{
  font-size:16px;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
}
.pager-link:hover .pager-title{color:var(--primary-dark)}

/* ===== Aside ===== */
.article-aside{display:flex;flex-direction:column;gap:24px;min-width:0}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.side-card h2{
  font-size:17px;
  color:#17314C;
  margin:0 0 18px;
  padding-bottom:12px;
  border-bottom:1px dashed var(--line-strong);
  display:flex;
  align-items:center;
  gap:9px;
  font-weight:700;
}
.side-card h2::before{
  content:"";
  width:5px;height:18px;
  border-radius:4px;
  background:var(--primary);
  display:block;
}
.side-post{
  display:flex;
  gap:13px;
  padding:11px 0;
  border-bottom:1px solid #EEF3F9;
  align-items:center;
  transition:all .2s ease;
}
.side-post:last-of-type{border-bottom:0}
.side-post:hover{transform:translateX(3px)}
.side-post-cover{
  width:80px;
  height:60px;
  border-radius:10px;
  object-fit:cover;
  flex-shrink:0;
  background:#EAF1FA;
}
.side-post-info{min-width:0}
.side-post-title{
  display:block;
  font-size:14px;
  font-weight:600;
  color:#1B3145;
  line-height:1.45;
  margin-bottom:3px;
}
.side-post-desc{
  display:block;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.4;
}
.side-promo{
  background:linear-gradient(135deg,#F5F9FF 0%,#E7F1FF 64%,#E0F4F8 100%);
  border-color:#D5E6F8;
}
.side-promo h2{margin-bottom:8px}
.side-promo p{
  font-size:14px;
  color:var(--weak);
  margin-bottom:18px;
  line-height:1.75;
}
.side-promo .btn{width:100%}

/* ===== Signup CTA ===== */
.signup-cta{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-box{
  background:linear-gradient(135deg,rgba(245,249,255,.95) 0%,#E7F1FF 55%,#DDEEF8 100%);
  border:1px solid #D6E6F5;
  border-radius:var(--radius-xl);
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-box h2{
  font-size:26px;
  color:#162C3F;
  margin:0 0 12px;
  letter-spacing:-.3px;
}
.cta-box p{margin:0;color:var(--weak);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{
  background:#152A3A;
  color:#BFD0DF;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:46px;
}
.footer-brand .footer-logo{
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:14px;
  position:relative;
}
.footer-logo::before{
  content:"";
  display:inline-block;
  width:8px;height:8px;
  border-radius:3px;
  background:#7AAEFF;
  box-shadow:3px 3px 0 rgba(122,174,255,.27);
  margin-right:8px;
  vertical-align:2px;
}
.footer-brand p{
  font-size:14px;
  color:#8FA7B9;
  line-height:1.8;
  margin:0;
  max-width:360px;
}
.footer-col h3,.footer-connect h3{
  color:#E7F0F7;
  font-size:16px;
  font-weight:600;
  margin:0 0 16px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-connect a{
  color:#93AEBF;
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
  position:relative;
  padding-left:0;
}
.footer-col a:hover,.footer-connect a:hover{
  color:#fff;
  padding-left:4px;
}
.footer-connect p{
  color:#8FA7B9;
  font-size:14px;
  margin:0 0 8px;
}
.footer-connect .btn{
  margin-top:14px;
  background:#fff;
  color:#174C96;
  padding:10px 18px;
  box-shadow:none;
}
.footer-connect .btn:hover{background:#E4F0FF}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:#7690A5;
}

/* ===== Mobile menu ===== */
@media (max-width:1080px){
  .main-nav{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(80%,380px);
    background:rgba(247,250,255,.92);
    backdrop-filter:blur(22px) saturate(1.5);
    -webkit-backdrop-filter:blur(22px) saturate(1.5);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:28px;
    padding:60px 40px 40px;
    margin:0;
    box-shadow:-20px 0 60px rgba(20,45,90,.14);
    transform:translateX(102%);
    transition:transform .35s cubic-bezier(.22,.61,.36,1);
    z-index:1000;
    border-left:1px solid rgba(224,235,247,.9);
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{font-size:19px;color:#16354F;font-weight:600}
  .nav-mobile-cta{display:inline-flex!important;margin-top:8px;width:100%}
  .login-cta{display:none}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}

@media (max-width:900px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
  }
  .cta-box{flex-direction:column;padding:36px 30px;align-items:flex-start}
}

@media (max-width:768px){
  .section{padding:64px 0}
  .article-hero{padding:128px 0 42px}
  .article-title{font-size:30px}
  .article-panel{padding:34px 24px 28px;border-radius:18px}
  .article-content>p:first-child{font-size:17px}
  .cta-box h2{font-size:22px}
  .cta-box p{font-size:14px}
  .article-pager{grid-template-columns:1fr}
  .article-aside{grid-template-columns:1fr}
  .signup-cta .btn{width:100%}
}

@media (max-width:560px){
  .container{padding:0 18px}
  .site-logo{font-size:18px}
  .article-title{font-size:25px}
  .article-panel{padding:28px 20px 22px}
  .article-content{font-size:15px}
  .article-content h2{font-size:20px}
  .article-content blockquote{padding:16px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* ===== Empty state ===== */
.not-found{
  padding:70px 30px;
  text-align:center;
}
.not-found .nf-icon{
  width:64px;height:64px;
  border-radius:20px;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 22px;
}
.not-found h2{font-size:26px;margin:0 0 10px;color:#223C58}
.not-found p{color:var(--weak);margin-bottom:24px}
.not-found .btn{justify-content:center}

/* roulang page: category1 */
:root {
  --primary: #1F6FE0;
  --primary-dark: #1658BA;
  --primary-light: #EAF2FF;
  --accent: #00A6C0;
  --accent-light: #E2F8FC;
  --gold: #F5A623;
  --gold-light: #FFF4DE;
  --bg: #F5F9FF;
  --surface: #FFFFFF;
  --text: #1E2A3A;
  --muted: #64748B;
  --weak: #94A3B8;
  --border: #E4ECF7;
  --danger: #C93A3A;
  --success: #1B9E5A;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --shadow-card: 0 6px 20px rgba(20, 45, 90, 0.05), 0 2px 6px rgba(20, 45, 90, 0.04);
  --shadow-float: 0 16px 40px rgba(20, 45, 90, 0.10);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(31, 111, 224, 0.30);
  outline-offset: 2px;
  border-radius: 6px;
}
img {
  max-width: 100%;
  display: block;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1,
h2,
h3,
h4,
p {
  margin: 0;
}
button,
input,
select,
textarea {
  font: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}
.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: 74px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(228, 236, 247, 0.64);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 24px rgba(20, 45, 90, 0.06);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo {
  color: var(--text);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.2px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.site-logo::before {
  content: "";
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 4px 12px rgba(31, 111, 224, 0.28);
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: #334155;
  padding: 8px 2px;
  position: relative;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.88);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.nav-toggle:hover {
  border-color: var(--primary);
  background: #fff;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
body.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
body.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 13px 20px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, color 0.2s ease;
  background: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 18px rgba(31, 111, 224, 0.18);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(31, 111, 224, 0.22);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  border-color: rgba(31, 111, 224, 0.35);
  color: var(--primary);
  background: rgba(255, 255, 255, 0.72);
}
.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}
.btn-sm {
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 9px;
}
.nav-mobile-cta {
  display: none;
}

/* Hero */
.category-hero {
  position: relative;
  padding: 150px 0 90px;
  overflow: hidden;
  background-color: #EAF2FF;
  background-image: radial-gradient(circle at 76% 24%, rgba(0, 166, 192, 0.12), transparent 30%), radial-gradient(circle at 46% 82%, rgba(31, 111, 224, 0.15), transparent 28%), linear-gradient(110deg, rgba(255, 255, 255, 0.90) 0%, rgba(245, 249, 255, 0.96) 50%, rgba(255, 255, 255, 0.78) 100%), url(/assets/images/backpic/back-1.png) center center / cover no-repeat;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(31, 111, 224, 0.16);
  border-radius: 999px;
  padding: 7px 14px;
  margin-bottom: 22px;
  letter-spacing: 0.4px;
}
.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.category-hero h1 {
  font-size: clamp(34px, 4.4vw, 48px);
  line-height: 1.24;
  font-weight: 800;
  color: #14233B;
  max-width: 680px;
  letter-spacing: -0.4px;
}
.category-hero h1 .text-accent {
  color: var(--primary);
}
.hero-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #3E5065;
  margin-top: 22px;
  max-width: 620px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.hero-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  padding: 12px 12px 18px;
}
.hero-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 18px;
  background: #E2EBF5;
}
.hero-card-title {
  padding: 12px 8px 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
}
.hero-card-title span:last-child {
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 999px;
}
.hero-card-list {
  display: grid;
  gap: 8px;
  padding: 0 8px;
}
.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: #334155;
  background: #F5F9FF;
  border-radius: 10px;
  padding: 8px 11px;
}
.hero-card-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

/* Section Common */
.section {
  padding: 88px 0;
}
.section.bg-soft {
  background: #FFFFFF;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 40px;
}
.section-title-wrap {
  max-width: 720px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 999px;
  padding: 5px 13px;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.4px;
  color: #14233B;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.section-title::before {
  content: "";
  width: 5px;
  height: 28px;
  border-radius: 4px;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 4px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--muted);
  margin-top: 22px;
  line-height: 1.8;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 30px 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
  border-color: rgba(31, 111, 224, 0.35);
}
.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #1B293C;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.feature-card .card-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 18px;
}

/* Flow */
.flow-wrap {
  background: #FFFFFF;
}
.flow-wrap-inner {
  background: linear-gradient(180deg, #F5F9FF 0%, #FFFFFF 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px 32px 32px;
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.flow-node {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  min-height: 180px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.flow-node:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.flow-index {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border-radius: 50% 50% 45% 55%;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 14px;
}
.flow-node h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.flow-node p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* Scene */
.scene-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}
.scene-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 56px;
  align-items: center;
}
.scene-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  position: relative;
  background: #E2EBF5;
}
.scene-media img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.scene-media:hover img {
  transform: scale(1.02);
}
.scene-list {
  display: grid;
  gap: 16px;
}
.scene-item {
  display: flex;
  gap: 18px;
  padding: 18px 20px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease;
}
.scene-item:hover {
  border-color: rgba(0, 166, 192, 0.45);
}
.scene-num {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scene-copy h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.scene-copy p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* FAQ */
.faq-section {
  background: var(--bg);
}
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 6px 24px;
  transition: border-color 0.2s ease;
}
.faq-item[open] {
  border-color: rgba(31, 111, 224, 0.32);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  font-size: 16px;
  color: #1B293C;
  position: relative;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease, background 0.2s ease;
  font-size: 18px;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  border-top: 1px dashed var(--border);
  margin-top: 4px;
}
.faq-answer p {
  padding-top: 16px;
}

/* Guide CTA */
.guide-block {
  padding: 72px 0;
}
.guide-inner {
  background: linear-gradient(90deg, #E8F2FF, #FFFFFF 48%, #E5F8F8);
  border: 1px solid rgba(31, 111, 224, 0.10);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  box-shadow: var(--shadow-card);
}
.guide-inner h2 {
  font-size: 25px;
  font-weight: 700;
  color: #14233B;
  margin-bottom: 10px;
}
.guide-inner p {
  color: var(--muted);
  font-size: 15px;
}
.guide-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* Form / CTA block */
.cta-section {
  padding: 0 0 88px;
}
.cta-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.cta-content {
  padding: 52px 0 52px 48px;
}
.cta-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: #14233B;
  line-height: 1.35;
  margin-bottom: 20px;
}
.cta-content h2 .line {
  display: block;
}
.cta-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 26px;
}
.cta-points {
  display: grid;
  gap: 10px;
}
.cta-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: #334155;
}
.cta-points li::before {
  content: "";
  width: 18px;
  height: 18px;
  background: var(--primary-light);
  border: 5px solid var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
  box-sizing: border-box;
}
.cta-form-wrap {
  padding: 52px 48px 52px 16px;
}
.signup-form {
  background: #F5F9FF;
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 30px 28px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-field {
  display: grid;
  gap: 7px;
}
.form-field.full {
  grid-column: 1 / -1;
}
.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: #334155;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  height: 44px;
  border-radius: var(--radius-xs);
  border: 1px solid #D6E1F0;
  background: #FFFFFF;
  padding: 0 13px;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field textarea {
  height: 88px;
  padding-top: 10px;
  resize: vertical;
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #A0B0BF;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 111, 224, 0.13);
}
.form-field .error-text {
  display: none;
  font-size: 12px;
  color: var(--danger);
}
.form-field input.input-error {
  border-color: rgba(201, 58, 58, 0.68);
  background: #FFF9F9;
}
.form-field.has-error .error-text {
  display: block;
}
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.form-privacy {
  font-size: 12px;
  color: var(--weak);
  line-height: 1.6;
  max-width: 260px;
}
.btn-submit {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 13px 26px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(31, 111, 224, 0.2);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.btn-submit.success {
  background: var(--success);
}

/* Footer */
.site-footer {
  background: #151D2B;
  color: #B9C4D4;
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
  gap: 44px;
  padding-bottom: 52px;
}
.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-logo::before {
  content: "";
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: #94A6BC;
  max-width: 340px;
}
.footer-col h3,
.footer-connect h3 {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul {
  display: grid;
  gap: 12px;
}
.footer-col li a,
.footer-connect a {
  color: #B9C4D4;
  font-size: 14px;
  transition: color 0.2s ease;
}
.footer-col li a:hover,
.footer-connect a:hover {
  color: #FFFFFF;
}
.footer-connect p {
  font-size: 14px;
  line-height: 1.9;
  color: #B9C4D4;
  margin-bottom: 8px;
}
.footer-connect .btn {
  margin-top: 14px;
  background: #fff;
  color: #151D2B;
  border-radius: 9px;
}
.footer-connect .btn:hover {
  background: var(--primary);
  color: #fff;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding: 22px 0;
  font-size: 13px;
  color: #7D90A8;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 1280px) {
  .container {
    max-width: 1180px;
  }
}
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-card {
    max-width: 560px;
    width: 100%;
  }
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 24px;
  }
  .scene-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-panel {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .cta-content {
    padding: 44px 38px 0 38px;
  }
  .cta-form-wrap {
    padding: 28px 38px 44px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 74px;
    right: 0;
    height: calc(100vh - 74px);
    width: min(400px, 88vw);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    gap: 8px;
    padding: 28px 24px;
    box-shadow: -16px 20px 42px rgba(20, 45, 90, 0.14);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    margin-left: 0;
    overflow-y: auto;
    border-left: 1px solid var(--border);
    z-index: 100;
  }
  body.menu-open .main-nav {
    transform: translateX(0);
  }
  .main-nav .nav-link {
    font-size: 17px;
    padding: 13px 4px;
    width: 100%;
  }
  .nav-mobile-cta {
    display: inline-flex;
    width: 100%;
    margin-top: 16px;
  }
  .login-cta {
    display: none;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 66px 0;
  }
  .category-hero {
    padding: 128px 0 64px;
  }
  .section-title {
    font-size: 24px;
  }
  .section-head {
    flex-direction: column;
    gap: 16px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .guide-inner {
    padding: 36px 24px;
    flex-direction: column;
    align-items: flex-start;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .cta-content,
  .cta-form-wrap {
    padding: 32px 18px;
  }
  .footer-bottom {
    flex-direction: column;
  }
}
@media (max-width: 560px) {
  .container,
  .container-narrow,
  .scene-wrapper {
    padding-left: 16px;
    padding-right: 16px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .flow-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-points li {
    font-size: 13px;
  }
  .form-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .signup-form {
    padding: 20px 16px;
  }
}

/* roulang page: category3 */
:root{
  --primary:#1f6fe0;
  --primary-dark:#145cc2;
  --primary-soft:#e6f0ff;
  --accent:#00a6c0;
  --accent-soft:#e3f6fa;
  --gold:#d99b2b;
  --gold-soft:#fff6e0;
  --bg:#f5f9ff;
  --surface:#ffffff;
  --border:#dfe9f5;
  --text:#19273f;
  --text-2:#3b4c68;
  --muted:#63738b;
  --line:#e8eef7;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow-xs:0 2px 8px rgba(20,45,90,.04);
  --shadow-sm:0 8px 24px rgba(20,45,90,.06), 0 2px 6px rgba(20,45,90,.04);
  --shadow-md:0 18px 48px rgba(20,45,90,.1), 0 6px 14px rgba(20,45,90,.05);
  --shadow-blue:0 16px 40px rgba(31,111,224,.14);
  --font-sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:88px 0}
.section.alt{background:var(--surface)}
.section.soft{background:linear-gradient(180deg,#f0f6ff 0,#f5f9ff 100%)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:650;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(31,111,224,.12);padding:6px 14px;border-radius:999px;letter-spacing:.2px;margin-bottom:16px}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text)}
h1{font-size:clamp(32px,4.2vw,46px);letter-spacing:-.5px}
h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.3px}
h2 .accent-text{color:var(--primary)}
h3{font-size:19px;font-weight:650}
p{color:var(--text-2)}
.plain-list li{position:relative;padding-left:24px;margin-bottom:10px;color:var(--text-2)}
.plain-list li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary);opacity:.8}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;border-radius:var(--radius-sm);border:1px solid transparent;padding:12px 24px;min-height:44px;transition:all .22s ease;cursor:pointer;line-height:1.2;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,224,.18)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(31,111,224,.24)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary-dark)}
.btn-light{background:#fff;color:var(--primary);border-color:rgba(31,111,224,.18);box-shadow:var(--shadow-xs)}
.btn-light:hover{background:var(--primary-soft);border-color:var(--primary)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
.btn svg{width:15px;height:15px}
.btn:focus-visible,.nav-toggle:focus-visible,.accordion-btn:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(31,111,224,.3);outline-offset:2px}
/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.78);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid rgba(223,233,245,.7);box-shadow:0 2px 12px rgba(20,45,90,.02);transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 8px 28px rgba(20,45,90,.06);border-bottom-color:rgba(223,233,245,.9)}
.nav-inner{display:flex;align-items:center;height:76px;gap:22px}
.site-logo{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.2px;margin-right:auto;white-space:nowrap}
.site-logo em{font-style:normal;color:var(--primary);font-weight:800}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{padding:9px 14px;border-radius:10px;color:var(--text-2);font-weight:560;font-size:15px;transition:.2s}
.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.main-nav .nav-link.active{color:var(--primary);background:var(--primary-soft);font-weight:650}
.main-nav .nav-mobile-cta{display:none}
.nav-tools{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;position:relative;width:42px;height:42px;border:none;background:var(--bg);border-radius:12px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;margin:5px auto;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* page hero */
.cat-hero{position:relative;padding:174px 0 78px;background:linear-gradient(108deg,#edf5ff 0,#f7fbff 52%,#f0f6ff 100%);overflow:hidden;border-bottom:1px solid rgba(223,233,245,.7)}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 18% 22%,rgba(31,111,224,.09) 0,transparent 36%),radial-gradient(circle at 80% 15%,rgba(0,166,192,.07) 0,transparent 34%);pointer-events:none}
.cat-hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:650;background:rgba(255,255,255,.8);border:1px solid rgba(31,111,224,.14);color:var(--primary);padding:7px 15px;border-radius:999px;margin-bottom:22px}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.cat-hero h1{margin-bottom:20px}
.hero-lead{font-size:17px;max-width:620px;margin-bottom:28px;color:var(--text-2)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow-md);transform:rotate(1.5deg)}
.hero-side-card img{border-radius:18px;width:100%;height:260px;object-fit:cover;background:#e8eff9}
.hero-side-tags{display:flex;gap:8px;padding:14px 5px 2px;flex-wrap:wrap}
.hero-side-tags span{font-size:13px;background:var(--primary-soft);color:var(--primary);padding:5px 12px;border-radius:999px;font-weight:560}
/* guide tiles */
.tile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tile-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow-xs);transition:.22s}
.tile-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(31,111,224,.22)}
.tile-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);margin-bottom:18px}
.tile-icon svg{width:21px;height:21px}
.tile-card h3{margin-bottom:8px}
.tile-card p{font-size:14px;color:var(--muted);line-height:1.7}
.tile-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--primary);transition:gap .2s}
.tile-more:hover{gap:10px}
/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column;transition:.22s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:rgba(31,111,224,.2)}
.news-media{position:relative;aspect-ratio:16/9;background:#eaf1fa;overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.news-card:hover .news-media img{transform:scale(1.035)}
.news-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid rgba(0,166,192,.16);color:#00849c;font-size:12px;font-weight:650;padding:4px 10px;border-radius:999px}
.news-body{padding:22px}
.news-body .news-date{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:12px}
.news-body .news-date svg{width:13px;height:13px;color:var(--accent)}
.news-body h3{font-size:17px;margin-bottom:8px}
.news-body h3 a{transition:color .2s}
.news-body h3 a:hover{color:var(--primary)}
.news-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-link{margin-top:18px;font-size:14px;font-weight:650;color:var(--primary)}
/* channel split */
.channel-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.channel-split .split-copy p{margin:14px 0 24px;color:var(--text-2)}
.channel-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.channel-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;display:flex;gap:14px;box-shadow:var(--shadow-xs);transition:.2s}
.channel-item:hover{box-shadow:var(--shadow-sm);border-color:rgba(0,166,192,.28)}
.channel-ic{width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent);flex:0 0 auto;display:flex;align-items:center;justify-content:center}
.channel-ic svg{width:17px;height:17px}
.channel-item h4{font-size:15px;margin-bottom:4px}
.channel-item p{font-size:13px;color:var(--muted);line-height:1.5}
/* steps */
.steps-wrap{position:relative;max-width:1000px;margin:0 auto}
.steps-wrap::before{content:"";position:absolute;left:24px;top:20px;bottom:20px;width:2px;background:linear-gradient(180deg,var(--primary-soft),var(--primary),var(--accent-soft));opacity:.7}
.step-row{position:relative;padding-left:72px;padding-bottom:34px}
.step-row:last-child{padding-bottom:0}
.step-node{position:absolute;left:0;top:0;width:50px;height:50px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-xs);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:var(--primary);z-index:1}
.step-node::after{content:"";position:absolute;inset:8px;border-radius:9px;background:var(--primary-soft);z-index:-1}
.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px 26px;box-shadow:var(--shadow-xs)}
.step-card h3{margin-bottom:4px}
.step-card p{margin-top:6px;font-size:14px;color:var(--muted)}
/* faq */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;box-shadow:var(--shadow-xs);transition:border-color .2s}
.faq-item.open{border-color:rgba(31,111,224,.22);box-shadow:var(--shadow-sm)}
.accordion-btn{width:100%;background:none;border:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px;cursor:pointer;font-weight:650;font-size:16px;color:var(--text);text-align:left}
.accordion-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;transition:transform .25s}
.faq-item.open .accordion-icon{transform:rotate(45deg)}
.accordion-icon span{display:block;font-size:20px;line-height:1}
.accordion-panel{max-height:0;overflow:hidden;transition:max-height .25s ease}
.accordion-inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;max-width:96%}
/* cta */
.cta-zone{position:relative;border-radius:28px;overflow:hidden;padding:64px 58px;background:linear-gradient(105deg,#1f4f96 0,#1f6fe0 47%,#0f7fa8 100%);box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:space-between;gap:36px;border:1px solid rgba(255,255,255,.2)}
.cta-zone::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 10%,rgba(255,255,255,.16) 0,transparent 32%),radial-gradient(circle at 10% 90%,rgba(255,255,255,.08) 0,transparent 30%);pointer-events:none}
.cta-copy{position:relative;color:#fff}
.cta-copy .kicker{background:rgba(255,255,255,.2);color:#fff;border-color:rgba(255,255,255,.2)}
.cta-copy h2{color:#fff;letter-spacing:-.3px;margin-bottom:10px}
.cta-copy p{color:rgba(255,255,255,.84);max-width:620px;font-size:15px}
.cta-actions{position:relative;display:flex;flex-direction:column;gap:12px;align-items:flex-start;min-width:220px}
.cta-note{color:rgba(255,255,255,.65);font-size:13px}
.cta-note a{color:#fff;text-decoration:underline;text-underline-offset:4px}
/* footer */
.site-footer{margin-top:88px;background:#101d31;color:#a4b6cf}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:36px;padding:62px 0 48px}
.footer-logo{color:#fff;font-size:21px;font-weight:800;margin-bottom:14px;letter-spacing:-.2px}
.footer-brand p{font-size:14px;color:#8fa3bd;line-height:1.8;max-width:360px;margin-bottom:14px}
.footer-col h3,.footer-connect h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:650}
.footer-col li,.footer-connect p{margin-bottom:10px}
.footer-col a,.footer-connect a{color:#8fa3bd;font-size:14px;transition:color .2s}
.footer-col a:hover,.footer-connect a:hover{color:#fff}
.footer-connect p{color:#7e92ac;font-size:14px}
.footer-connect .btn{margin-top:10px;background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.footer-connect .btn:hover{background:rgba(255,255,255,.1);border-color:var(--primary)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:22px 0;font-size:13px;color:#6f86a2;border-top:1px solid rgba(255,255,255,.08)}
/* mobile */
@media(max-width:1080px){
  .container{width:94%}
  .tile-grid{grid-template-columns:repeat(2,1fr)}
  .cat-hero h1{font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .nav-inner{height:70px}
  .nav-toggle{display:block}
  .main-nav{position:fixed;top:74px;left:16px;right:16px;flex-direction:column;align-items:stretch;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:18px;padding:12px;box-shadow:0 18px 48px rgba(20,45,90,.14);border:1px solid rgba(255,255,255,.5);opacity:0;visibility:hidden;transform:translateY(-10px);pointer-events:none;transition:.24s ease}
  .main-nav.open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .main-nav .nav-link{padding:14px 16px;font-size:16px}
  .main-nav .nav-mobile-cta{display:flex;margin-top:10px;justify-content:center}
  .login-cta{display:none}
  .cat-hero{padding-top:150px;padding-bottom:60px}
  .cat-hero .container{grid-template-columns:1fr;gap:32px}
  .hero-side-card{max-width:560px}
  .channel-split,.split-list{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .cta-zone{flex-direction:column;padding:44px 34px;align-items:flex-start}
}
@media(max-width:620px){
  .section{padding:64px 0}
  .tile-grid,.news-grid,.channel-list,.footer-grid{grid-template-columns:1fr}
  .cat-hero{padding-top:138px}
  .cat-hero h1{font-size:29px}
  .hero-actions,.hero-actions .btn{width:100%}
  .cat-hero .container{padding:0 4px}
  .hero-side-card img{height:200px}
  .section-head h2{font-size:24px}
  .step-row{padding-left:62px}
  .step-node{width:44px;height:44px}
  .accordion-btn{padding:18px 16px}
  .accordion-inner{padding:0 16px 18px}
  .cta-zone{padding:38px 24px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root {
  --primary: #1f6fe0;
  --primary-deep: #155ec8;
  --primary-soft: #e8f1fe;
  --accent: #00a6c0;
  --accent-soft: #e0f4f7;
  --gold: #f5b514;
  --warm: #ff7860;
  --bg: #f5f9ff;
  --bg-deep: #edf4fd;
  --ink: #16233b;
  --text: #2b3a55;
  --muted: #6b7a94;
  --line: rgba(31, 70, 130, 0.10);
  --border-light: rgba(31, 70, 130, 0.14);
  --white: #ffffff;
  --card-radius: 18px;
  --inner-radius: 12px;
  --head-height: 78px;
  --shadow-sm: 0 6px 22px rgba(20, 45, 90, 0.06);
  --shadow-md: 0 18px 44px rgba(20, 45, 90, 0.10);
  --shadow-lg: 0 26px 60px rgba(20, 45, 90, 0.12);
  --shadow-focus: 0 0 0 4px rgba(31, 111, 224, 0.16);
  --section-space: 96px;
  --container-wide: 1200px;
  --radius-xl: 26px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.nav-open {
  overflow: hidden;
}
h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .22s ease;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}
img {
  max-width: 100%;
  display: block;
}
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: 0;
}
.container {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 2;
}
.section {
  padding: var(--section-space) 0;
}

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.02em;
  transition: all .22s ease;
  white-space: nowrap;
  background: transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 26px rgba(31, 111, 224, .24);
}
.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(31, 111, 224, .30);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 16px rgba(31, 111, 224, .24);
}
.btn-outline {
  border-color: rgba(31, 111, 224, .36);
  background: rgba(255, 255, 255, .68);
  color: var(--primary-deep);
}
.btn-outline:hover {
  background: var(--primary-soft);
  border-color: rgba(31, 111, 224, .42);
  color: var(--primary-deep);
}
.btn-sm {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
}
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}
.link-btn::after {
  content: "";
  width: 18px;
  height: 8px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f6fe0' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 12h20M14 5l7 7-7 7'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .25s ease;
}
.link-btn:hover::after {
  transform: translateX(4px);
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  min-height: var(--head-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  border-bottom: 1px solid rgba(31, 70, 140, 0.08);
  box-shadow: 0 4px 18px rgba(30, 60, 120, 0.04);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 12px 30px rgba(18, 45, 90, 0.07);
  border-color: rgba(31, 70, 140, 0.07);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 26px;
  width: 100%;
  min-height: var(--head-height);
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .01em;
  color: #123d7a;
  line-height: 1.25;
  flex: 0 0 auto;
}
.site-logo::before {
  content: "";
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--primary), var(--accent));
  box-shadow: 0 8px 20px rgba(31, 111, 224, .22);
  flex: 0 0 auto;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: 24px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #2e405b;
  padding: 8px 2px;
  transition: color .2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 4px;
  transition: width .24s ease;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-link.active::after {
  width: 100%;
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}
.login-cta {
  background: var(--primary);
  box-shadow: 0 10px 24px rgba(31, 111, 224, .22);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: var(--primary-soft);
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--primary-deep);
  border-radius: 3px;
  transition: transform .28s ease, opacity .28s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-mobile-cta {
  display: none;
}

/* H1/H2 标题体系 */
.page-title {
  font-size: 44px;
  line-height: 1.34;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #102b53;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 6px 14px;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.section-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head h2 {
  font-size: 32px;
  color: #142a4c;
  line-height: 1.35;
  font-weight: 800;
}
.section-head p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.heading-line {
  position: relative;
  padding-left: 16px;
}
.heading-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 26px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

/* 分类页首屏 */
.cat-hero {
  min-height: 520px;
  padding: 190px 0 100px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 0% 35%, rgba(31,111,224,.10), transparent 42%),
    radial-gradient(ellipse at 95% 0%, rgba(0,166,192,.10), transparent 46%),
    #eef5fc;
}
.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.webp");
  background-repeat: no-repeat;
  background-position: right bottom;
  background-size: 46% auto;
  opacity: .15;
  pointer-events: none;
}
.cat-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 90px;
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 70px;
  position: relative;
  z-index: 3;
}
.hero-copy .page-title {
  margin: 16px 0 20px;
}
.hero-copy .section-kicker {
  margin-bottom: 4px;
}
.hero-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 620px;
  line-height: 1.9;
  margin: 18px 0 30px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(31,111,224,.10);
  color: #42536e;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,166,192,.14);
}
.hero-visual {
  position: relative;
}
.hero-visual .visual-main {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #dde9f7;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.5);
  aspect-ratio: 1.05;
}
.hero-visual .visual-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scene-card {
  position: absolute;
  left: 0;
  bottom: 32px;
  background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: blur(10px) saturate(150%);
  backdrop-filter: blur(10px) saturate(150%);
  border: 1px solid rgba(31,111,224,.10);
  padding: 12px 16px 12px 12px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 16px 36px rgba(20,45,90,.16);
  font-size: 13px;
  color: #20314c;
  max-width: 260px;
}
.scene-card strong {
  display: block;
  font-weight: 700;
  color: #123d7a;
  font-size: 13px;
}
.scene-card::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--accent);
  flex: 0 0 auto;
}
.scene-card-2 {
  bottom: 100px;
  left: auto;
  right: -8px;
}
.scene-card-2::before {
  background: var(--gold);
}

/* 信息速览条 */
.brief-section {
  padding: var(--section-space) 0 74px;
}
.brief-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: var(--white);
  box-shadow: var(--shadow-md);
}
.brief-item {
  padding: 34px 28px 32px;
  border-left: 1px solid var(--border-light);
  background: #fff;
  transition: background .2s ease;
}
.brief-item:first-child {
  border-left: 0;
}
.brief-item:hover {
  background: #fbfdff;
}
.brief-num {
  display: block;
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 6px;
}
.brief-item h3 {
  font-size: 17px;
  color: #1a3256;
  font-weight: 700;
  margin-bottom: 10px;
}
.brief-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* 赛事活动类型卡 */
.white-section {
  background: #fff;
  border-top: 1px solid rgba(31,70,130,.07);
  border-bottom: 1px solid rgba(31,70,130,.07);
}
.event-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.event-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .3s ease, border-color .28s ease;
  display: flex;
  flex-direction: column;
}
.event-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(31,111,224,.28);
}
.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e7eef7;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.event-card:hover .card-media img {
  transform: scale(1.06);
}
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 7px;
  box-shadow: 0 6px 16px rgba(16,40,80,.10);
}
.card-body {
  padding: 25px 24px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-body h3 {
  font-size: 19px;
  color: #172d4e;
  font-weight: 750;
  margin-bottom: 10px;
}
.card-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}
.card-list {
  margin: 20px 0 24px;
}
.card-list li {
  font-size: 14px;
  color: #35465f;
  position: relative;
  padding-left: 27px;
  line-height: 1.75;
  margin-bottom: 9px;
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 12px;
  width: 14px;
  height: 2px;
  border-radius: 4px;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(31,111,224,.10);
}
.card-body .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* 报名流程 */
.process-section {
  padding: var(--section-space) 0;
  position: relative;
}
.process-grid {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 70px;
  align-items: center;
}
.process-note {
  background: linear-gradient(145deg, #f4f8ff, #fff);
  border: 1px solid rgba(31,111,224,.10);
  padding: 30px 28px;
  border-radius: 20px;
  margin-top: 28px;
  box-shadow: var(--shadow-sm);
}
.process-note strong {
  color: #1a3d6e;
  display: block;
  font-size: 15px;
  margin-bottom: 8px;
}
.process-note p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
}
.step-list {
  position: relative;
  padding-left: 8px;
}
.step-item {
  position: relative;
  display: flex;
  gap: 22px;
  padding: 0 0 34px 24px;
  border-left: 2px solid rgba(31,111,224,.13);
  margin-left: 22px;
}
.step-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.step-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(31,111,224,.12);
}
.step-no {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  min-width: 82px;
  letter-spacing: .02em;
}
.step-body h3 {
  font-size: 18px;
  color: #142a4b;
  margin-bottom: 8px;
}
.step-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

/* 参赛准备提醒 */
.reminder-section {
  background:
    linear-gradient(180deg, #082b55, #0d3b73);
  color: #f3f7fd;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.reminder-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-3.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: .16;
}
.reminder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.reminder-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.20);
  border-radius: 22px;
  padding: 34px 32px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.reminder-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  color: #fff;
  margin-bottom: 20px;
}
.reminder-card h3::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--gold);
  transform: rotate(45deg);
}
.reminder-card ul li {
  display: flex;
  gap: 12px;
  padding: 9px 0;
  color: rgba(255,255,255,.78);
  font-size: 15px;
  line-height: 1.75;
}
.reminder-card ul li::before {
  content: "";
  margin-top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

/* 中部 CTA */
.cta-band {
  padding: var(--section-space) 0;
  position: relative;
}
.cta-inner {
  background: linear-gradient(140deg, rgba(255,255,255,.98), rgba(240,248,255,.96));
  border: 1px solid rgba(31,111,224,.12);
  border-radius: 30px;
  padding: 62px 66px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  align-items: center;
  gap: 30px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
}
.cta-inner::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -30px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31,111,224,.13), transparent 68%);
}
.cta-inner h2 {
  font-size: 28px;
  color: #14305a;
  line-height: 1.5;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  color: var(--muted);
  font-size: 15px;
  max-width: 600px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  justify-content: flex-end;
  position: relative;
  z-index: 2;
}

/* 报名表单 */
.signup-section {
  padding: 0 0 var(--section-space);
}
.signup-wrap {
  position: relative;
  z-index: 2;
}
.signup-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 50px;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 28px;
  padding: 54px 52px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.signup-copy .section-kicker {
  margin-bottom: 4px;
}
.signup-copy h2 {
  font-size: 28px;
  color: #152f54;
  margin-bottom: 18px;
}
.signup-copy p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 22px;
}
.signup-point {
  display: flex;
  gap: 14px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.signup-point::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 10px;
  border-radius: 2px;
  background: var(--accent);
  flex: 0 0 auto;
}
.signup-point strong {
  display: block;
  color: #233952;
  font-size: 15px;
  font-weight: 650;
}
.signup-point span {
  font-size: 14px;
  color: var(--muted);
}
.form-card {
  background: #f9fbfe;
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 32px 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field {
  margin-bottom: 16px;
}
.field label {
  display: block;
  font-size: 14px;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  background: #fff;
  border: 1px solid rgba(31,70,130,.14);
  border-radius: 12px;
  padding: 0 15px;
  font-size: 15px;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea {
  padding-top: 14px;
  min-height: 92px;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder {
  color: #9aa6b9;
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7a94' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
  background: #fff;
}
.form-error {
  display: none;
  justify-content: flex-start;
  gap: 6px;
  color: #d84c4c;
  border: 1px solid rgba(216,76,76,.28);
  background: rgba(216,76,76,.06);
  border-radius: 9px;
  padding: 9px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}
.form-success {
  display: none;
  min-height: 300px;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(49,170,113,.30);
  background: #ecf9f2;
  color: #1f7652;
  border-radius: 24px;
  padding: 20px;
  font-size: 16px;
}
.form-success strong {
  display: block;
  font-size: 20px;
  margin-bottom: 8px;
  color: #14603f;
}
.submit-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: 4px;
}
.submit-row .btn {
  width: 100%;
}
.privacy-tip {
  font-size: 12px;
  color: #8b98ad;
}

/* FAQ */
.faq-section {
  padding: var(--section-space) 0;
  background: var(--white);
  border-top: 1px solid rgba(31,70,130,.07);
  border-bottom: 1px solid rgba(31,70,130,.07);
}
.faq-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.faq-intro {
  position: sticky;
  top: 120px;
}
.faq-intro h2 {
  font-size: 32px;
  color: #142a4b;
  line-height: 1.4;
  margin-bottom: 16px;
}
.faq-intro p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}
.faq-intro .link-btn {
  margin-top: 18px;
}
.faq-list {
  border-top: 1px solid rgba(31,70,130,.12);
}
.faq-item {
  border-bottom: 1px solid rgba(31,70,130,.12);
}
.faq-item summary {
  position: relative;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 22px 48px 22px 4px;
  font-weight: 600;
  font-size: 16px;
  color: #1c3453;
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--primary);
}
.q-icon {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s ease, transform .3s ease;
}
.q-icon::before,
.q-icon::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 2px;
  background: var(--primary);
  border-radius: 3px;
  transition: transform .3s ease;
}
.q-icon::after {
  transform: rotate(90deg);
}
.faq-item[open] .q-icon {
  background: var(--primary-soft);
}
.faq-item[open] .q-icon::after {
  transform: rotate(0deg);
}
.faq-body {
  padding: 0 40px 24px 4px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  display: grid;
  gap: 8px;
}
.faq-body p + p {
  margin-top: 6px;
}

/* 页脚 */
.site-footer {
  background: #0b1f3a;
  color: rgba(255,255,255,.76);
  padding: 80px 0 34px;
  position: relative;
}
.site-footer a {
  color: rgba(255,255,255,.72);
  transition: color .2s ease;
}
.site-footer a:hover {
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr .8fr .85fr 1fr;
  gap: 50px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 20px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 18px;
}
.footer-logo::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 8px;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(31,111,224,.25);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  max-width: 320px;
}
.footer-col h3,
.footer-connect h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col ul li {
  margin-bottom: 11px;
}
.footer-col ul a,
.footer-connect a {
  font-size: 14px;
}
.footer-connect p {
  font-size: 14px;
  margin-bottom: 10px;
}
.footer-connect .btn {
  margin-top: 12px;
  color: #fff;
  border-color: rgba(255,255,255,.45);
  min-height: 38px;
}
.footer-connect .btn:hover {
  background: var(--primary);
  border-color: var(--primary);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 30px;
  font-size: 13px;
  color: rgba(255,255,255,.48);
}

/* 动效辅助 */
.font-num {
  font-family: "Inter", "SF Pro Display", -apple-system, sans-serif;
}

/* 响应式 */
@media (max-width: 1280px) {
  .container {
    max-width: 1180px;
  }
  .hero-grid {
    gap: 40px;
  }
}
@media (max-width: 1100px) {
  .main-nav {
    gap: 20px;
    margin-left: 12px;
  }
  .nav-tools {
    gap: 8px;
  }
  .hero-grid {
    grid-template-columns: 1fr .75fr;
    gap: 34px;
  }
  .brief-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 0;
  }
  .brief-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--border-light);
  }
  .brief-item:nth-child(4) {
    border-top: 1px solid var(--border-light);
  }
  .brief-item:nth-child(2) {
    border-right: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 34px;
  }
}
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: var(--head-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,.9);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    backdrop-filter: blur(14px) saturate(160%);
    margin: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 22px 24px 28px;
    margin-top: 0;
    box-shadow: 0 24px 40px rgba(15, 35, 70, .14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: all .28s ease;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    height: auto;
    z-index: 990;
  }
  .main-nav .nav-link {
    display: block;
    width: 100%;
    font-size: 17px;
    padding: 14px 2px;
    border-bottom: 1px solid rgba(31,70,130,.06);
    border-radius: 0;
  }
  .main-nav .nav-link::after {
    display: none;
  }
  .main-nav .nav-mobile-cta {
    display: inline-flex;
    margin-top: 16px;
    min-height: 46px;
  }
  body.nav-open .main-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .login-cta {
    display: none;
  }
  .nav-inner {
    gap: 20px;
  }
  .nav-tools {
    margin-left: auto;
  }
  .site-logo {
    font-size: 18px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }
  .cat-hero {
    padding-top: 150px;
    padding-bottom: 80px;
    min-height: auto;
  }
  .cat-hero::before {
    background-size: 100% auto;
    opacity: .10;
  }
  .hero-visual {
    max-width: 620px;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .process-note {
    max-width: 620px;
  }
  .signup-grid {
    grid-template-columns: 1fr;
    padding: 40px 36px;
    gap: 34px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-intro {
    position: static;
  }
  .reminder-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    padding: 48px 40px;
  }
  .cta-actions {
    justify-content: flex-start;
  }
  .event-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .event-card:last-child {
    grid-column: span 2;
  }
  .event-card:last-child .card-media {
    aspect-ratio: 21 / 8;
  }
}
@media (max-width: 768px) {
  :root {
    --section-space: 68px;
  }
  .container {
    padding: 0 20px;
  }
  .page-title {
    font-size: 32px;
    line-height: 1.39;
  }
  .section-head h2,
  .faq-intro h2 {
    font-size: 25px;
  }
  .cat-hero {
    padding-top: 148px;
  }
  .scene-card {
    bottom: 40px;
    max-width: 230px;
  }
  .scene-card-2 {
    right: 2px;
    bottom: 110px;
  }
  .brief-grid {
    grid-template-columns: 1fr;
  }
  .brief-item,
  .brief-item:nth-child(2),
  .brief-item:nth-child(3),
  .brief-item:nth-child(4) {
    border-left: 0;
    border-top: 0;
    border-bottom: 1px solid var(--border-light);
  }
  .brief-item:last-child {
    border-bottom: 0;
  }
  .event-card-grid {
    grid-template-columns: 1fr;
  }
  .event-card:last-child {
    grid-column: span 1;
  }
  .event-card:last-child .card-media {
    aspect-ratio: 16 / 10;
  }
  .cta-inner {
    padding: 38px 26px;
  }
  .cta-inner h2 {
    font-size: 23px;
  }
  .signup-grid {
    padding: 34px 22px;
    border-radius: 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .reminder-card {
    padding: 26px 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .faq-body {
    padding-right: 6px;
  }
}
@media (max-width: 520px) {
  :root {
    --section-space: 56px;
  }
  .container {
    padding: 0 18px;
  }
  .cat-hero {
    padding-top: 132px;
    padding-bottom: 60px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .chip {
    padding: 5px 10px;
    font-size: 12px;
  }
  .scene-card {
    width: auto;
    max-width: 200px;
    font-size: 12px;
    padding: 8px 10px;
    bottom: 20px;
  }
  .scene-card-2 {
    bottom: 76px;
    right: 4px;
  }
  .brief-item {
    padding: 28px 20px;
  }
  .card-body {
    padding: 22px 18px 18px;
  }
  .cta-band .cta-actions .btn {
    width: 100%;
  }
  .site-logo {
    font-size: 16px;
    gap: 8px;
  }
  .site-logo::before {
    width: 28px;
    height: 28px;
    border-radius: 9px;
  }
  .footer-grid {
    gap: 28px;
  }
  .footer-logo {
    font-size: 18px;
  }
}