/* roulang page: index */
:root {
  --primary: #E23B2E;
  --primary-hover: #C12A1F;
  --accent: #F5A623;
  --accent-hover: #D9941E;
  --dark: #171A1C;
  --dark-light: #222629;
  --paper: #F7F4EF;
  --white: #FFFFFF;
  --gray: #6B7280;
  --gray-light: #9CA3AF;
  --border: #E8E3DB;
  --success: #22C55E;
  --radius-card: 12px;
  --radius-img: 8px;
  --radius-btn: 999px;
  --shadow-sm: 0 2px 8px rgba(23,26,28,.04);
  --shadow-md: 0 4px 14px rgba(23,26,28,.07);
  --shadow-lg: 0 10px 24px rgba(23,26,28,.08);
  --gap: clamp(56px, 8vw, 88px);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--paper); color: var(--dark); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: absolute; top: 0; left: 0; right: 0; z-index: 200; padding: 20px 0; transition: all .3s ease; }
.site-header.is-scrolled { position: fixed; background: rgba(23,26,28,.93); backdrop-filter: blur(8px); padding: 12px 0; box-shadow: var(--shadow-lg); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 17px; flex-shrink: 0; box-shadow: 0 2px 8px rgba(226,59,46,.35); }
.brand-text { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: .02em; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { color: rgba(255,255,255,.82); font-size: 15px; font-weight: 500; padding: 8px 16px; border-radius: 999px; transition: all .2s ease; }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.12); }
.nav-links a.active { color: #fff; background: rgba(226,59,46,.7); }
.nav-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-box { display: flex; align-items: center; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); border-radius: 999px; padding: 7px 14px; gap: 8px; }
.search-box input { background: transparent; border: none; outline: none; color: #fff; width: 110px; font-size: 14px; }
.search-box input::placeholder { color: rgba(255,255,255,.5); }
.search-box svg { width: 16px; height: 16px; stroke: rgba(255,255,255,.55); flex-shrink: 0; }
.nav-login { color: rgba(255,255,255,.85); font-size: 14px; padding: 6px 8px; transition: color .2s; }
.nav-login:hover { color: var(--accent); }
.btn-accent { background: var(--accent); color: var(--dark); font-size: 15px; font-weight: 700; padding: 9px 22px; border-radius: 999px; transition: all .2s ease; box-shadow: 0 2px 8px rgba(245,166,35,.35); display: inline-flex; align-items: center; gap: 6px; }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(245,166,35,.4); }
.btn-accent:active { transform: translateY(0) scale(.98); }
.menu-toggle { display: none; color: #fff; width: 40px; height: 40px; align-items: center; justify-content: center; }

/* Hero */
.hero { position: relative; background: var(--dark); min-height: 680px; display: flex; align-items: center; overflow: hidden; padding: 120px 0 60px; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(23,26,28,.95) 0%, rgba(23,26,28,.75) 50%, rgba(23,26,28,.4) 100%); }
.hero-bg::before { content: ''; position: absolute; top: 0; right: 0; width: 34%; height: 100%; background: linear-gradient(135deg, transparent 0%, rgba(226,59,46,.25) 45%, rgba(226,59,46,.8) 100%); clip-path: polygon(32% 0, 100% 0, 100% 100%, 22% 100%); z-index: 1; }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-copy { color: #fff; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(226,59,46,.22); border: 1px solid rgba(226,59,46,.5); color: #ff9b93; font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 999px; margin-bottom: 20px; letter-spacing: .04em; }
.hero-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(32px, 4.5vw, 48px); line-height: 1.25; font-weight: 800; margin-bottom: 18px; letter-spacing: -.01em; }
.hero h1 .hot { color: var(--accent); }
.hero h1 .fire { color: var(--primary); }
.hero-sub { font-size: 17px; line-height: 1.7; color: rgba(255,255,255,.75); margin-bottom: 30px; max-width: 540px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.btn-primary { background: var(--primary); color: #fff; font-size: 15px; font-weight: 700; padding: 13px 30px; border-radius: 999px; transition: all .2s ease; box-shadow: 0 4px 14px rgba(226,59,46,.4); display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(226,59,46,.45); }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-outline { background: transparent; color: #fff; font-size: 15px; font-weight: 600; padding: 13px 28px; border-radius: 999px; transition: all .2s ease; display: inline-flex; align-items: center; gap: 8px; }
.btn-outline { border: 1.5px solid rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; color: rgba(255,255,255,.55); font-size: 13px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-img-wrap { position: relative; }
.hero-img { border-radius: 12px; overflow: hidden; position: relative; clip-path: polygon(8% 0, 100% 0, 100% 88%, 92% 100%, 0 100%, 0 12%); box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.hero-img img { width: 100%; height: 460px; object-fit: cover; }
.hero-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(23,26,28,.55) 100%); }
.hero-event-card { position: absolute; bottom: 24px; left: 6%; right: 6%; background: rgba(23,26,28,.85); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; animation: float-card 3s ease infinite; }
@keyframes float-card { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.event-card-info { display: flex; align-items: center; gap: 10px; }
.event-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); animation: pulse 1.5s ease infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(.8); } }
.event-card-info span { color: #fff; font-size: 14px; font-weight: 600; }
.event-card-info small { color: rgba(255,255,255,.55); font-size: 12px; display: block; }
.event-badge { background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; white-space: nowrap; }

/* Ticker */
.ticker { background: var(--primary); color: #fff; overflow: hidden; padding: 10px 0; position: relative; }
.ticker-content { display: flex; white-space: nowrap; animation: ticker-scroll 20s linear infinite; }
.ticker-content span { font-size: 14px; font-weight: 500; padding: 0 24px; display: inline-flex; align-items: center; gap: 8px; }
.ticker-content span::before { content: '★'; font-size: 10px; color: rgba(255,255,255,.7); }
@keyframes ticker-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Section common */
.section { padding: var(--gap) 0; }
.section-head { margin-bottom: 44px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.section-head-inner { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--primary); letter-spacing: .08em; text-transform: uppercase; }
.section-tag::before { content: ''; width: 20px; height: 2px; background: var(--primary); }
.section-head h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.3; font-weight: 800; letter-spacing: -.01em; }
.section-head .section-desc { color: var(--gray); font-size: 15px; max-width: 460px; line-height: 1.7; }

/* Pain Section */
.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pain-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 28px 26px; transition: all .2s ease; box-shadow: var(--shadow-sm); position: relative; }
.pain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pain-card:nth-child(-n+2) { border-left: 4px solid var(--primary); }
.pain-card:nth-child(n+3) { background: #EFECE6; }
.pain-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(226,59,46,.08); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 22px; }
.pain-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.pain-card p { font-size: 15px; color: var(--gray); line-height: 1.7; }

/* Solution */
.solution-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: stretch; }
.solution-main { background: var(--white); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); display: flex; flex-direction: column; transition: all .2s ease; }
.solution-main:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.solution-main .sol-img { height: 280px; overflow: hidden; position: relative; }
.solution-main .sol-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.solution-main:hover .sol-img img { transform: scale(1.04); }
.sol-tag { position: absolute; top: 16px; left: 16px; background: var(--accent); color: var(--dark); font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 6px; z-index: 2; }
.sol-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.sol-body h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.sol-body p { color: var(--gray); font-size: 15px; line-height: 1.75; margin-bottom: 20px; }
.sol-link { color: var(--primary); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; transition: gap .2s ease; margin-top: auto; }
.sol-link:hover { gap: 12px; }
.solution-side { display: flex; flex-direction: column; gap: 24px; }
.sol-card { background: var(--white); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); border: 1px solid var(--border); overflow: hidden; flex: 1; display: flex; flex-direction: column; transition: all .2s ease; }
.sol-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.sol-card .sol-img { height: 160px; overflow: hidden; position: relative; }
.sol-card .sol-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.sol-card:hover .sol-img img { transform: scale(1.04); }
.sol-card .sol-body { padding: 18px; }
.sol-card .sol-body h3 { font-size: 17px; margin-bottom: 6px; }
.sol-card .sol-body p { font-size: 14px; margin-bottom: 14px; }
.sol-card .sol-link { font-size: 14px; }

/* Stats */
.stats-section { background: var(--dark); position: relative; overflow: hidden; padding: clamp(56px, 7vw, 72px) 0; }
.stats-section::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 48px 48px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { text-align: center; padding: 24px 16px; position: relative; }
.stat-item + .stat-item::before { content: ''; position: absolute; left: 0; top: 20%; bottom: 20%; width: 1px; background: rgba(255,255,255,.1); }
.stat-num { font-size: clamp(30px, 4vw, 46px); font-weight: 800; color: var(--accent); line-height: 1.2; margin-bottom: 6px; }
.stat-num sup { font-size: .5em; font-weight: 600; color: rgba(255,255,255,.6); margin-left: 2px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,.55); letter-spacing: .06em; font-weight: 500; }

/* News */
.news-list { max-width: 900px; margin: 0 auto; }
.news-card { display: flex; background: var(--white); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); margin-bottom: 16px; transition: all .2s ease; }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.news-thumb { width: 140px; flex-shrink: 0; background: #EFECE6; position: relative; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb .img-fallback { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 28px; background: linear-gradient(135deg, rgba(226,59,46,.1), rgba(245,166,35,.1)); }
.news-card-body { padding: 20px 24px; display: flex; flex-direction: column; flex: 1; min-width: 0; }
.news-card-top { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.news-badge { background: rgba(226,59,46,.1); color: var(--primary); font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 6px; }
.news-time { color: var(--gray-light); font-size: 13px; }
.news-card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.news-card-body p { font-size: 14px; color: var(--gray); line-height: 1.6; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-more-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 5px; margin-top: auto; transition: gap .2s ease; }
.news-more-link:hover { gap: 10px; }
.news-empty { text-align: center; background: var(--white); border: 1px dashed var(--border); border-radius: var(--radius-card); padding: 40px; }
.news-empty .empty-icon { font-size: 36px; margin-bottom: 12px; color: var(--gray-light); }
.news-empty p { color: var(--gray); font-size: 15px; margin-bottom: 16px; }
.btn-ghost { color: var(--primary); border: 1.5px solid var(--primary); background: transparent; font-size: 14px; font-weight: 600; padding: 8px 22px; border-radius: 999px; transition: all .2s ease; }
.btn-ghost:hover { background: rgba(226,59,46,.06); }

/* FAQ */
.faq-section { background: #EFECE6; }
.faq-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; align-items: start; }
.faq-head h2 { margin-bottom: 16px; }
.faq-head p { color: var(--gray); font-size: 15px; line-height: 1.8; }
.faq-list { background: var(--white); border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-q { width: 100%; padding: 20px 24px; font-size: 16px; font-weight: 700; color: var(--dark); display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; transition: background .2s ease; }
.faq-q:hover { background: rgba(226,59,46,.03); }
.faq-q .faq-icon { width: 26px; height: 26px; border-radius: 50%; background: rgba(226,59,46,.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all .3s ease; position: relative; }
.faq-q .faq-icon::before, .faq-q .faq-icon::after { content: ''; position: absolute; background: var(--primary); transition: all .3s ease; }
.faq-q .faq-icon::before { width: 10px; height: 2px; }
.faq-q .faq-icon::after { width: 2px; height: 10px; }
.faq-item.active .faq-q .faq-icon { background: var(--primary); }
.faq-item.active .faq-q .faq-icon::before, .faq-item.active .faq-q .faq-icon::after { background: #fff; }
.faq-item.active .faq-q .faq-icon::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 24px 20px; color: var(--gray); font-size: 15px; line-height: 1.8; }

/* CTA */
.cta-section { background: var(--primary); position: relative; overflow: hidden; padding: clamp(56px, 7vw, 72px) 0; text-align: center; }
.cta-section::before { content: ''; position: absolute; top: -60px; right: -40px; width: 240px; height: 240px; border-radius: 50%; background: rgba(255,255,255,.04); }
.cta-section::after { content: ''; position: absolute; bottom: -80px; left: -30px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,.05); }
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 { color: #fff; font-size: clamp(24px, 3.4vw, 36px); font-weight: 800; margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,.85); font-size: 16px; margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-btn { background: var(--accent); color: var(--dark); font-size: 16px; font-weight: 800; padding: 15px 38px; border-radius: 999px; display: inline-flex; align-items: center; gap: 8px; transition: all .2s ease; box-shadow: 0 6px 20px rgba(0,0,0,.15); }
.cta-btn:hover { background: var(--white); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.2); }
.cta-btn:active { transform: translateY(0) scale(.98); }

/* Footer */
.site-footer { background: var(--dark); padding: 64px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand .brand { padding: 0; }
.footer-brand .brand-text { font-size: 18px; }
.footer-desc { color: rgba(255,255,255,.5); font-size: 14px; margin-top: 16px; line-height: 1.7; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 18px; letter-spacing: .04em; text-transform: uppercase; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.5); font-size: 14px; transition: color .2s ease; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-col ul li a::before { content: '›'; color: rgba(255,255,255,.25); font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: rgba(255,255,255,.35); font-size: 13px; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(23,26,28,.65); backdrop-filter: blur(4px); z-index: 999; display: none; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 40px 20px; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--white); border-radius: 16px; width: 100%; max-width: 480px; padding: 40px; margin: auto; position: relative; animation: modalIn .3s ease; box-shadow: 0 30px 70px rgba(0,0,0,.25); }
@keyframes modalIn { from { opacity: 0; transform: translateY(20px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-close { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border-radius: 50%; background: var(--paper); color: var(--gray); font-size: 18px; display: flex; align-items: center; justify-content: center; transition: all .2s ease; }
.modal-close:hover { background: var(--primary); color: #fff; }
.modal-box h3 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.modal-box .modal-sub { color: var(--gray); font-size: 14px; margin-bottom: 26px; line-height: 1.6; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.form-group input, .form-group select { width: 100%; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 15px; background: var(--paper); outline: none; transition: all .2s ease; color: var(--dark); }
.form-group input:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(226,59,46,.1); background: #fff; }
.form-group input.error { border-color: var(--primary); }
.form-error { color: var(--primary); font-size: 13px; margin-top: 4px; display: none; }
.form-error.show { display: block; }
.modal-privacy { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; font-size: 13px; color: var(--gray); }
.modal-privacy input { margin-top: 3px; accent-color: var(--primary); }
.modal-privacy a { color: var(--primary); text-decoration: underline; }
.modal-submit { width: 100%; background: var(--primary); color: #fff; font-size: 16px; font-weight: 700; padding: 14px; border-radius: 999px; transition: all .2s ease; }
.modal-submit:hover { background: var(--primary-hover); }
.modal-success { display: none; text-align: center; padding: 30px 0; }
.modal-success.show { display: block; }
.modal-success .success-icon { width: 64px; height: 64px; border-radius: 50%; background: rgba(34,197,94,.1); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 28px; }
.modal-success h4 { font-size: 20px; margin-bottom: 8px; }
.modal-success p { color: var(--gray); font-size: 14px; }

/* Mobile */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; gap: 36px; }
    .hero-img-wrap { display: none; }
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 20px; right: 20px; background: var(--dark); border-radius: 12px; padding: 14px; gap: 4px; box-shadow: var(--shadow-lg); }
    .nav-links.open a { width: 100%; }
    .search-box { display: none; }
    .solution-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(3)::before { display: none; }
    .stat-item:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.08); }
    .faq-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .pain-grid { grid-template-columns: 1fr; }
    .pain-card:nth-child(n+3) { background: var(--white); border-left: none; }
    .news-card { flex-direction: column; }
    .news-thumb { width: 100%; height: 160px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .search-box { display: none; }
    .nav-login { display: none; }
    .btn-accent { padding: 8px 16px; font-size: 14px; }
}

@media (max-width: 520px) {
    .hero { padding: 100px 0 50px; }
    .hero-btns { flex-direction: column; width: 100%; }
    .hero-btns .btn-primary, .hero-btns .btn-outline { width: 100%; justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .news-card-body { padding: 16px; }
}

/* roulang page: article */
:root {
  --primary: #E23B2E;
  --primary-dark: #C52A1F;
  --accent: #F5A623;
  --accent-dark: #DD8F1B;
  --ink: #171A1C;
  --paper: #F7F4EF;
  --white: #FFFFFF;
  --gray: #6B7280;
  --gray-light: #E5E1DA;
  --border: #EAE4DB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(23,26,28,.04);
  --shadow-hover: 0 10px 24px rgba(23,26,28,.08);
  --container: 1200px;
  --space-section: clamp(56px, 8vw, 88px);
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-main); font-size: 16px; line-height: 1.75; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 700; line-height: 1; padding: 13px 26px; cursor: pointer; transition: all .2s ease; border: 2px solid transparent; }
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(1px); box-shadow: 0 4px 12px rgba(226,59,46,.25); }
.btn-accent { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(1px); box-shadow: 0 4px 14px rgba(245,166,35,.3); }
.btn-ghost { background: transparent; color: var(--ink); border-color: #CBD0D4; }
.btn-ghost:hover { background: rgba(23,26,28,.06); border-color: var(--ink); }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(23,26,28,.92); backdrop-filter: blur(10px); transition: background .3s ease, box-shadow .3s ease; }
.site-header.scrolled { background: rgba(23,26,28,.98); box-shadow: 0 4px 20px rgba(0,0,0,.2); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: var(--white); font-weight: 800; font-size: 20px; display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 3px 10px rgba(226,59,46,.35); }
.brand-text { font-size: 20px; font-weight: 800; color: var(--white); letter-spacing: 1px; white-space: nowrap; }
.brand-text span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a { padding: 9px 18px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; color: rgba(255,255,255,.82); transition: background .2s, color .2s; }
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.1); }
.nav-links a.active { color: var(--white); background: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: 18px; }
.search-box { position: relative; }
.search-box input { width: 160px; height: 40px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.1); color: var(--white); padding: 0 40px 0 18px; font-size: 14px; transition: border-color .2s, background .2s, width .25s; }
.search-box input::placeholder { color: rgba(255,255,255,.6); }
.search-box input:focus { border-color: var(--accent); background: rgba(255,255,255,.16); width: 200px; }
.search-box .search-btn { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: rgba(255,255,255,.75); cursor: pointer; transition: background .2s, color .2s; }
.search-box .search-btn:hover { background: rgba(255,255,255,.15); color: var(--accent); }
.header-login { color: rgba(255,255,255,.85); font-size: 14px; font-weight: 600; padding: 8px 14px; border-radius: var(--radius-pill); transition: background .2s, color .2s; }
.header-login:hover { color: var(--white); background: rgba(255,255,255,.1); }
.header-cta { background: var(--accent); color: var(--ink); border-radius: var(--radius-pill); padding: 10px 22px; font-size: 14px; font-weight: 800; transition: background .2s, transform .2s; }
.header-cta:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(245,166,35,.35); }
.menu-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; border-radius: var(--radius-sm); cursor: pointer; padding: 10px; background: rgba(255,255,255,.08); transition: background .2s; }
.menu-toggle span { display: block; height: 2px; border-radius: 2px; background: var(--white); transition: transform .3s; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.article-breadcrumb { background: var(--white); border-bottom: 1px solid var(--border); padding: 14px 0; font-size: 14px; color: var(--gray); }
.article-breadcrumb .container { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.article-breadcrumb a { color: var(--gray); transition: color .2s; }
.article-breadcrumb a:hover { color: var(--primary); }
.article-breadcrumb .sep { color: var(--gray-light); }
.article-breadcrumb .current { color: var(--ink); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 360px; }
.article-head { position: relative; background: var(--ink) no-repeat center/cover; color: var(--white); padding: clamp(56px, 8vw, 90px) 0 clamp(40px, 5vw, 64px); }
.article-head::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(23,26,28,.88) 0%, rgba(23,26,28,.72) 55%, rgba(226,59,46,.35) 100%); z-index: 1; }
.article-head .container { position: relative; z-index: 2; }
.article-cat-tag { display: inline-block; background: var(--primary); color: var(--white); font-size: 13px; font-weight: 700; padding: 6px 16px; border-radius: var(--radius-pill); margin-bottom: 18px; letter-spacing: 1px; }
.article-head h1 { font-size: clamp(30px, 4.2vw, 44px); line-height: 1.3; font-weight: 900; max-width: 820px; margin-bottom: 18px; }
.article-meta { display: flex; align-items: center; gap: 20px; font-size: 14px; color: rgba(255,255,255,.78); flex-wrap: wrap; }
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item svg { width: 16px; height: 16px; opacity: .7; }
.article-main { padding-bottom: var(--space-section); }
.article-body-wrap { max-width: 720px; margin: 0 auto; background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: clamp(28px, 5vw, 56px) clamp(24px, 5vw, 56px); margin-top: -30px; position: relative; z-index: 3; }
.post-content { font-size: 17px; line-height: 1.8; color: #2A2D30; }
.post-content h2 { font-size: 26px; font-weight: 800; line-height: 1.4; margin: 40px 0 18px; padding-left: 16px; border-left: 4px solid var(--primary); }
.post-content h3 { font-size: 22px; font-weight: 800; margin: 32px 0 14px; }
.post-content h4 { font-size: 18px; font-weight: 700; margin: 24px 0 10px; }
.post-content p { margin-bottom: 1.2em; }
.post-content img { border-radius: var(--radius-md); margin: 24px 0; box-shadow: var(--shadow-hover); }
.post-content figure { margin: 28px 0; text-align: center; }
.post-content figure img { margin: 0 auto 10px; }
.post-content figure figcaption { font-size: 13px; color: var(--gray); margin-top: 8px; }
.post-content blockquote { border-left: 4px solid var(--accent); background: var(--paper); padding: 18px 24px; margin: 28px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: #44484C; }
.post-content blockquote p:last-child { margin-bottom: 0; }
.post-content ul, .post-content ol { margin: 0 0 1.4em; padding-left: 24px; }
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 8px; }
.post-content table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
.post-content table th { background: var(--ink); color: var(--white); text-align: left; padding: 12px 16px; font-weight: 700; }
.post-content table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.post-content table tr:nth-child(even) { background: var(--paper); }
.post-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:hover { color: var(--primary-dark); }
.post-content hr { border: none; height: 1px; background: var(--border); margin: 36px 0; }
.post-content strong { font-weight: 800; }
.post-content code { background: var(--paper); border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; font-size: 14px; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.post-content pre { background: var(--ink); color: #E8E5E0; padding: 24px; border-radius: var(--radius-md); overflow-x: auto; margin: 28px 0; line-height: 1.6; }
.post-content pre code { background: none; border: none; color: inherit; padding: 0; font-size: 14px; }
.post-not-found { text-align: center; padding: 80px 24px 60px; }
.post-not-found .not-found-icon { width: 72px; height: 72px; margin: 0 auto 24px; border-radius: 50%; background: var(--paper); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 800; color: var(--primary); }
.post-not-found p { font-size: 22px; font-weight: 700; margin-bottom: 24px; }
.post-nav { max-width: 720px; margin: 36px auto 0; display: flex; justify-content: space-between; gap: 16px; }
.post-nav-link { flex: 1; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 22px; font-size: 15px; font-weight: 600; color: var(--ink); transition: border-color .2s, box-shadow .2s, transform .2s; text-align: center; }
.post-nav-link:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); color: var(--primary); }
.post-nav-link .nav-label { display: block; font-size: 13px; font-weight: 400; color: var(--gray); margin-bottom: 4px; }
.related-section { padding: var(--space-section) 0 0; position: relative; }
.section-head { display: flex; align-items: flex-end; gap: 18px; margin-bottom: 36px; flex-wrap: wrap; }
.section-tag { font-size: 13px; font-weight: 800; letter-spacing: 3px; color: var(--primary); text-transform: uppercase; background: rgba(226,59,46,.08); padding: 6px 14px; border-radius: var(--radius-pill); }
.section-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 900; line-height: 1.3; }
.section-head .deco-line { flex: 1; height: 1px; background: var(--border); position: relative; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .related-card-img { position: relative; height: 180px; overflow: hidden; }
.related-card .related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card .related-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(23,26,28,.35), transparent); }
.related-card .related-card-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.related-card-tag { display: inline-block; align-self: flex-start; background: rgba(226,59,46,.09); color: var(--primary); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: var(--radius-pill); }
.related-card h3 { font-size: 17px; line-height: 1.55; font-weight: 800; }
.related-card p { font-size: 14px; color: var(--gray); line-height: 1.65; flex: 1; }
.related-card .related-card-link { font-size: 14px; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.related-card .related-card-link:hover { color: var(--primary-dark); }
.back-to-list { text-align: center; margin-top: 48px; }
.section-cta { background: var(--primary); color: var(--white); text-align: center; padding: var(--space-section) 20px; margin-top: var(--space-section); position: relative; overflow: hidden; }
.section-cta::before { content: ""; position: absolute; top: -80px; right: -80px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.06); }
.section-cta::after { content: ""; position: absolute; bottom: -60px; left: 20px; width: 180px; height: 180px; border-radius: 50%; background: rgba(23,26,28,.12); }
.section-cta .container { position: relative; z-index: 2; }
.section-cta h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 900; margin-bottom: 14px; }
.section-cta p { font-size: 16px; color: rgba(255,255,255,.88); margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; }
.section-cta .btn-accent { box-shadow: 0 6px 20px rgba(0,0,0,.18); }
.site-footer { background: var(--ink); color: rgba(255,255,255,.72); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand .brand-text { font-size: 20px; }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.55); max-width: 300px; margin-top: 12px; }
.footer-col h4 { font-size: 15px; color: var(--white); font-weight: 800; margin-bottom: 18px; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s, padding-left .2s; }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.5); }
@media (max-width: 1100px) {
  .header-inner { gap: 16px; }
  .search-box input { width: 120px; }
  .search-box input:focus { width: 150px; }
  .related-grid { gap: 16px; }
}
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .menu-toggle { display: flex; margin-left: auto; }
  .nav-links { display: none; width: 100%; order: 5; flex-direction: column; align-items: flex-start; gap: 4px; padding: 12px 0 6px; }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
  .header-actions { margin-left: auto; }
  .search-box { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .related-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .related-card .related-card-img { height: 200px; }
}
@media (max-width: 700px) {
  .article-head h1 { font-size: 28px; }
  .article-body-wrap { padding: 24px 20px; margin-top: -16px; border-radius: var(--radius-md) var(--radius-md) 0 0; }
  .post-content { font-size: 16px; }
  .post-nav { flex-direction: column; }
  .section-cta p { font-size: 15px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .header-login { display: none; }
  .header-cta { padding: 10px 16px; font-size: 13px; }
  .brand-text { font-size: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-breadcrumb .current { max-width: 180px; }
  .related-card .related-card-img { height: 180px; }
}

/* roulang page: category1 */
:root{
  --primary:#E23B2E;
  --primary-dark:#C62F24;
  --accent:#F5A623;
  --dark:#171A1C;
  --dark-soft:#222629;
  --dark-soft-2:#2B3034;
  --light:#F7F4EF;
  --white:#FFFFFF;
  --gray:#6B7280;
  --gray-light:#9CA3AF;
  --border:#E8E3DC;
  --success:#10B981;
  --radius-card:12px;
  --radius-img:8px;
  --radius-btn:999px;
  --radius-badge:6px;
  --shadow-card:0 2px 8px rgba(23,26,28,.04);
  --shadow-hover:0 10px 24px rgba(23,26,28,.08);
  --container:1200px;
  --space-section:clamp(56px,8vw,88px);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --transition:150ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);font-size:16px;line-height:1.75;color:var(--dark);background:var(--light);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(247,244,239,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:background var(--transition),box-shadow var(--transition)}
.site-header.scrolled{background:rgba(23,26,28,.95);box-shadow:0 4px 20px rgba(0,0,0,.12)}
.site-header.scrolled .header-inner{border-color:transparent}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;box-shadow:0 2px 8px rgba(226,59,46,.32)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--dark);white-space:nowrap}
.site-header.scrolled .brand-text{color:var(--white)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{padding:8px 18px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;color:var(--dark);transition:background var(--transition),color var(--transition)}
.site-header.scrolled .nav-links a{color:rgba(255,255,255,.85)}
.nav-links a:hover{background:rgba(226,59,46,.08);color:var(--primary)}
.site-header.scrolled .nav-links a:hover{background:rgba(255,255,255,.1);color:var(--accent)}
.nav-links a.active{background:var(--primary);color:#fff}
.site-header.scrolled .nav-links a.active{background:var(--accent);color:var(--dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center}
.search-box input{width:190px;height:38px;border:1px solid var(--border);border-radius:var(--radius-btn);background:var(--white);padding:0 38px 0 16px;font-size:14px;color:var(--dark);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(226,59,46,.12)}
.site-header.scrolled .search-box input{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2);color:#fff}
.site-header.scrolled .search-box input::placeholder{color:rgba(255,255,255,.6)}
.search-box .fa-magnifying-glass{position:absolute;right:14px;font-size:14px;color:var(--gray);pointer-events:none}
.btn-login{font-size:15px;font-weight:600;color:var(--dark);padding:6px 8px;transition:color var(--transition)}
.site-header.scrolled .btn-login{color:rgba(255,255,255,.85)}
.btn-login:hover{color:var(--primary)}
.btn-cta-nav{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 22px;border-radius:var(--radius-btn);background:var(--accent);color:var(--dark);font-size:14px;font-weight:700;transition:transform var(--transition),box-shadow var(--transition),background var(--transition)}
.btn-cta-nav:hover{background:#F0B03C;box-shadow:0 4px 12px rgba(245,166,35,.3);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:8px;align-items:center;justify-content:center;font-size:20px;color:var(--dark)}
.site-header.scrolled .nav-toggle{color:#fff}

/* ===== Hero ===== */
.category-hero{position:relative;min-height:460px;display:flex;align-items:center;background:linear-gradient(105deg,var(--dark) 0%,var(--dark-soft) 55%,rgba(23,26,28,.85) 100%);overflow:hidden}
.category-hero::before{content:"";position:absolute;top:-30%;right:-10%;width:420px;height:560px;background:linear-gradient(135deg,rgba(226,59,46,.28),rgba(226,59,46,.04));clip-path:polygon(20% 0,100% 20%,85% 100%,0 80%);z-index:1}
.category-hero::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,var(--primary),var(--accent) 40%,var(--primary))}
.category-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22;z-index:0}
.hero-inner{position:relative;z-index:2;width:100%;padding:72px 0 84px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-badge);background:rgba(245,166,35,.15);border:1px solid rgba(245,166,35,.4);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:20px;text-transform:uppercase}
.category-hero h1{font-size:clamp(32px,4.5vw,52px);line-height:1.2;font-weight:800;margin-bottom:18px;letter-spacing:.5px}
.category-hero h1 span{color:var(--accent)}
.hero-desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;line-height:1;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition)}
.btn-accent{background:var(--accent);color:var(--dark)}
.btn-accent:hover{background:#F0B03C;transform:translateY(-2px);box-shadow:0 8px 20px rgba(245,166,35,.3)}
.btn-outline{border:2px solid rgba(255,255,255,.5);color:#fff;padding:11px 28px}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.hero-trust{display:flex;align-items:center;gap:18px;color:rgba(255,255,255,.6);font-size:13px}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust i{color:var(--accent);font-size:14px}
.hero-card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px;backdrop-filter:blur(8px)}
.hero-card-img{width:100%;height:220px;object-fit:cover;border-radius:10px;margin-bottom:18px;clip-path:polygon(0 0,100% 0,100% 88%,0 100%)}
.hero-card-badge{position:absolute;top:8px;right:8px;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:var(--radius-badge);display:inline-flex;align-items:center;gap:6px}
.hero-card h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:8px}
.hero-card p{color:rgba(255,255,255,.65);font-size:14px;line-height:1.7;margin-bottom:14px}
.hero-card-link{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap var(--transition)}
.hero-card-link:hover{gap:10px}
.hero-ticker{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:14px;display:flex;align-items:center;gap:12px}
.hero-ticker i{color:var(--accent);font-size:14px;animation:pulse 2s infinite}
.hero-ticker span{color:rgba(255,255,255,.55);font-size:13px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* ===== Section Head ===== */
.section-head{display:flex;align-items:center;gap:14px;margin-bottom:44px;flex-wrap:wrap}
.section-tag{display:inline-flex;align-items:center;padding:5px 14px;background:rgba(226,59,46,.08);color:var(--primary);border-radius:var(--radius-badge);font-size:13px;font-weight:700;letter-spacing:1px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;color:var(--dark)}
.section-line{flex:1;min-width:40px;max-width:90px;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:3px}
.section-sub{font-size:16px;color:var(--gray);line-height:1.75;max-width:640px;margin-top:-30px;margin-bottom:44px}

/* ===== Features ===== */
.features-section{padding:var(--space-section) 0;background:var(--light)}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feature-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);transition:transform var(--transition),box-shadow var(--transition);position:relative;overflow:hidden}
.feature-card:nth-child(2){background:var(--dark);border-color:var(--dark);color:#fff}
.feature-card:nth-child(2) .feature-icon{background:rgba(245,166,35,.15);color:var(--accent)}
.feature-card:nth-child(2) p{color:rgba(255,255,255,.68)}
.feature-card:first-child,.feature-card:nth-child(2){border-left:4px solid var(--primary)}
.feature-card:nth-child(n+3){background:rgba(255,255,255,.65)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-icon{width:50px;height:50px;border-radius:10px;background:rgba(226,59,46,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--gray);line-height:1.7}
.feature-card:nth-child(2) h3{color:#fff}
.feature-card:nth-child(2) p{color:rgba(255,255,255,.68)}

/* ===== Scenario ===== */
.scenario-section{padding:var(--space-section) 0;background:#EDE9E2}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scenario-card{background:var(--white);border-radius:var(--radius-card);padding:30px 24px;text-align:center;border:1px solid var(--border);transition:transform var(--transition),box-shadow var(--transition)}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scenario-num{font-size:14px;font-weight:800;color:var(--accent);letter-spacing:2px;margin-bottom:10px}
.scenario-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.scenario-card p{font-size:14px;color:var(--gray);line-height:1.7}

/* ===== Process ===== */
.process-section{padding:var(--space-section) 0;background:var(--dark);color:#fff;position:relative;overflow:hidden}
.process-section::before{content:"";position:absolute;top:-50px;right:-50px;width:280px;height:280px;border:2px solid rgba(226,59,46,.18);border-radius:50%}
.process-section::after{content:"";position:absolute;bottom:-80px;left:10%;width:200px;height:200px;border:2px solid rgba(245,166,35,.12);border-radius:50%}
.process-section .section-tag{background:rgba(245,166,35,.15);color:var(--accent)}
.process-section .section-head h2{color:#fff}
.process-section .section-line{background:linear-gradient(90deg,var(--primary),var(--accent))}
.process-section .section-sub{color:rgba(255,255,255,.6)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:1}
.process-item{position:relative;padding:0 24px}
.process-item:not(:last-child)::after{content:"";position:absolute;top:32px;right:-2px;width:36px;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.process-step{width:64px;height:64px;border-radius:50%;background:var(--dark-soft);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:var(--accent);margin-bottom:20px;position:relative;z-index:1}
.process-item:nth-child(2) .process-step{border-color:var(--accent);color:#fff}
.process-item h3{font-size:18px;font-weight:700;margin-bottom:10px}
.process-item p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}

/* ===== Course ===== */
.course-section{padding:var(--space-section) 0;background:var(--light)}
.course-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.course-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;display:grid;grid-template-columns:220px 1fr;min-height:220px;transition:transform var(--transition),box-shadow var(--transition)}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.course-media{position:relative;overflow:hidden}
.course-media img{width:100%;height:100%;object-fit:cover}
.course-media::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 60%,rgba(226,59,46,.20))}
.course-tag{position:absolute;top:12px;left:12px;z-index:2;background:rgba(23,26,28,.75);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:var(--radius-badge);letter-spacing:1px}
.course-body{padding:24px;display:flex;flex-direction:column;justify-content:center}
.course-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.course-body p{font-size:14px;color:var(--gray);line-height:1.7;margin-bottom:14px}
.course-meta{display:flex;gap:14px;font-size:12px;color:var(--gray-light);margin-bottom:14px}
.course-meta i{color:var(--primary);font-size:13px;margin-right:4px}
.course-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:gap var(--transition)}
.course-link:hover{gap:10px}

/* ===== Stats ===== */
.stats-section{padding:60px 0;background:var(--dark-soft);background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stats-item{padding:24px;text-align:center;position:relative}
.stats-item:not(:last-child)::after{content:"";position:absolute;top:18%;right:0;bottom:18%;width:1px;background:rgba(255,255,255,.1)}
.stats-num{font-size:clamp(30px,4vw,46px);font-weight:800;color:var(--accent);line-height:1.2}
.stats-label{font-size:14px;color:rgba(255,255,255,.55);margin-top:8px;letter-spacing:1px;font-weight:500}

/* ===== FAQ ===== */
.faq-section{padding:var(--space-section) 0;background:var(--light)}
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:60px}
.faq-side .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:0}
.faq-side .section-line{max-width:60px;height:3px}
.faq-side p{color:var(--gray);font-size:15px;line-height:1.8}
.faq-side .faq-contact{margin-top:24px;padding:20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card)}
.faq-side .faq-contact span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--gray);margin-bottom:6px}
.faq-side .faq-contact i{color:var(--primary)}
.faq-list{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:last-child{border-bottom:none}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--dark);transition:background var(--transition)}
.faq-question:hover{background:rgba(247,244,239,.7)}
.faq-question .faq-icon{width:30px;height:30px;border-radius:50%;background:rgba(226,59,46,.08);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:transform var(--transition),background var(--transition)}
.faq-item.active .faq-question{background:rgba(247,244,239,.8)}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 300ms ease,padding 300ms ease}
.faq-answer-inner{padding:0 24px 22px;font-size:15px;color:var(--gray);line-height:1.75;border-left:3px solid rgba(226,59,46,.15);margin-left:24px;margin-bottom:0}

/* ===== CTA ===== */
.cta-section{position:relative;padding:clamp(64px,7vw,88px) 0;background:linear-gradient(120deg,var(--primary) 0%,#D83226 60%,var(--primary-dark) 100%);color:#fff;text-align:center;overflow:hidden}
.cta-section::before{content:"";position:absolute;top:-40px;left:-60px;width:240px;height:240px;border:3px solid rgba(255,255,255,.08);border-radius:50%}
.cta-section::after{content:"";position:absolute;bottom:-60px;right:-40px;width:300px;height:300px;border:3px solid rgba(255,255,255,.1);border-radius:50%}
.cta-inner{position:relative;z-index:2;max-width:660px;margin:0 auto;padding:0 20px}
.cta-section h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;line-height:1.3;margin-bottom:16px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:32px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:var(--light);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff;padding:11px 28px}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.cta-tip{margin-top:22px;font-size:13px;color:rgba(255,255,255,.6)}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.65);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-brand .brand-icon{width:36px;height:36px;font-size:16px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.55);font-size:14px;line-height:1.6;transition:color var(--transition)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 0 28px;flex-wrap:wrap}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.35)}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .header-inner{gap:16px}
  .search-box input{width:140px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-card{max-width:480px}
  .hero-card-badge{right:auto;left:8px}
  .course-grid{grid-template-columns:1fr}
  .course-card{grid-template-columns:180px 1fr}
  .faq-layout{grid-template-columns:260px 1fr;gap:36px}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .process-item:not(:last-child)::after{display:none}
}
@media (max-width:768px){
  .header-inner{flex-wrap:nowrap;height:64px}
  .nav-links, .search-box, .btn-login, .btn-cta-nav{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.mobile-open .nav-links{display:flex;position:absolute;top:64px;left:0;right:0;background:var(--light);flex-direction:column;padding:16px 20px;gap:4px;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(0,0,0,.06);align-items:stretch}
  .site-header.mobile-open .nav-links a{padding:14px 16px;border-radius:8px}
  .site-header.mobile-open.header-actions{display:none}
  .category-hero{min-height:auto}
  .hero-inner{padding:56px 0 64px}
  .feature-grid{grid-template-columns:1fr}
  .scenario-grid{grid-template-columns:1fr 1fr}
  .course-card{grid-template-columns:1fr}
  .course-media{height:180px}
  .process-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .stats-item{padding:16px 8px}
  .stats-num{font-size:24px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .brand-text{font-size:16px}
  .search-box{display:none}
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns .btn{width:100%}
  .hero-card{padding:18px}
  .hero-card-badge{font-size:11px}
  .scenario-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-item::after{display:none}
  .stats-num{font-size:30px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom span{font-size:12px}
  .cta-btns{flex-direction:column}
  .cta-btns .btn{width:100%}
}

/* roulang page: category2 */
:root {
  --primary: #E23B2E;
  --primary-dark: #C42A20;
  --accent: #F5A623;
  --dark: #171A1C;
  --dark-soft: #202528;
  --light: #F7F4EF;
  --white: #FFFFFF;
  --gray: #6B7280;
  --gray-light: #E5E1DA;
  --border-color: #EAE5DE;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(23,26,28,.04);
  --shadow-md: 0 10px 24px rgba(23,26,28,.08);
  --transition: all .2s ease;
  --container-width: 1200px;
  --section-padding: clamp(56px, 8vw, 88px);
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--light);
  color: var(--dark);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; }
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.2;
  justify-content: center;
  border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(1px); box-shadow: 0 4px 14px rgba(226,59,46,.25); }
.btn-accent { background: var(--accent); color: #171A1C; }
.btn-accent:hover { background: #EC9514; transform: translateY(1px); box-shadow: 0 4px 14px rgba(245,166,35,.3); }
.btn-outline { border-color: var(--dark); color: var(--dark); background: transparent; }
.btn-outline:hover { background: rgba(23,26,28,.06); }
.btn-outline-light { border-color: rgba(255,255,255,.8); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.1); }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ===== Header & Nav ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(23,26,28,.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: var(--transition);
}
.site-header.scrolled {
  position: fixed;
  background: var(--dark);
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  border-color: transparent;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #C42A20);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(226,59,46,.3);
}
.brand-text { color: #fff; font-size: 19px; font-weight: 800; letter-spacing: .5px; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  color: rgba(255,255,255,.8);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav-links a.active { color: #fff; background: rgba(255,255,255,.16); box-shadow: inset 0 0 0 1px rgba(255,255,255,.1); }
.header-tools { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,.08);
}
.search-wrap:focus-within { background: rgba(255,255,255,.18); color: #fff; }
.search-wrap svg { flex-shrink: 0; width: 16px; height: 16px; }
.search-wrap input { background: transparent; color: #fff; font-size: 14px; width: 150px; }
.search-wrap input::placeholder { color: rgba(255,255,255,.55); }
.btn-login {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
}
.btn-login:hover { color: #fff; background: rgba(255,255,255,.1); }
.btn-publish {
  background: var(--accent);
  color: #171A1C;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  display: inline-block;
  white-space: nowrap;
}
.btn-publish:hover { background: #EC9514; transform: translateY(1px); box-shadow: 0 4px 12px rgba(245,166,35,.3); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: transparent; cursor: pointer; padding: 10px; }
.menu-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 220px 0 110px;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .55;
  z-index: 1;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(23,26,28,.92) 0%, rgba(23,26,28,.55) 60%, rgba(23,26,28,.25) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  margin: 0;
}
.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  background: rgba(245,166,35,.12);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(245,166,35,.25);
}
.page-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  color: #fff;
  line-height: 1.2;
  margin-bottom: 18px;
  font-weight: 900;
}
.page-hero h1 span { color: var(--accent); }
.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 620px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.75);
  font-size: 14px;
  font-weight: 600;
}
.hero-trust span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== Section Common ===== */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  background: rgba(226,59,46,.08);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 14px; color: var(--dark); }
.section-head p { color: var(--gray); font-size: 15px; line-height: 1.75; }

/* ===== Service Split ===== */
.service-split { padding: var(--section-padding) 0; background: var(--light); }
.split-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-media { position: relative; }
.split-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  height: 440px;
  object-fit: cover;
  width: 100%;
}
.media-float {
  position: absolute;
  right: -16px;
  bottom: 32px;
  background: var(--accent);
  color: #171A1C;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 20px rgba(245,166,35,.35);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.media-float::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #171A1C; }
.split-content h2 { font-size: clamp(26px, 3vw, 34px); margin: 12px 0 16px; line-height: 1.35; }
.split-content > p { color: var(--gray); font-size: 16px; line-height: 1.85; margin-bottom: 24px; }
.benefit-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.benefit-list li {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  transition: var(--transition);
}
.benefit-list li:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.benefit-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 10px;
}

/* ===== Event Types ===== */
.event-types { padding: var(--section-padding) 0; background: var(--white); }
.type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.type-card {
  background: var(--light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.type-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.type-card img { height: 220px; object-fit: cover; width: 100%; }
.type-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.type-badge {
  align-self: flex-start;
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  background: rgba(226,59,46,.08);
  color: var(--primary);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
}
.type-card h3 { font-size: 20px; margin-bottom: 8px; }
.type-card-body p { color: var(--gray); font-size: 15px; line-height: 1.8; flex: 1; margin-bottom: 16px; }
.type-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.type-link:hover { gap: 10px; }

/* ===== Process ===== */
.process-section {
  padding: var(--section-padding) 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(226,59,46,.15) 0%, transparent 70%);
}
.process-section .section-tag { color: var(--accent); background: rgba(245,166,35,.1); }
.process-section .section-head h2 { color: #fff; }
.process-section .section-head p { color: rgba(255,255,255,.6); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.process-step {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.process-step:hover { background: rgba(255,255,255,.09); transform: translateY(-4px); }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
}
.process-step:nth-child(2) .step-num { background: var(--accent); color: #171A1C; }
.process-step:nth-child(3) .step-num { background: var(--primary); }
.process-step:nth-child(4) .step-num { background: var(--accent); color: #171A1C; }
.process-step h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.process-step p { color: rgba(255,255,255,.65); font-size: 14px; line-height: 1.7; }

/* ===== Data Band ===== */
.data-band { background: var(--dark-soft); padding: 60px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid rgba(255,255,255,.08);
}
.data-item {
  text-align: center;
  padding: 20px 16px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.data-num {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}
.data-label { font-size: 14px; letter-spacing: 2px; color: rgba(255,255,255,.6); text-transform: uppercase; }

/* ===== FAQ ===== */
.faq-section { padding: var(--section-padding) 0; background: var(--light); }
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; }
.faq-intro .section-tag { margin-bottom: 14px; }
.faq-intro h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 16px; line-height: 1.35; }
.faq-intro p { color: var(--gray); font-size: 15px; line-height: 1.8; }
.faq-intro .btn { margin-top: 28px; }
.faq-list { display: flex; flex-direction: column; }
.faq-item {
  border-bottom: 1px solid var(--gray-light);
  background: transparent;
  transition: var(--transition);
  border-radius: 0;
}
.faq-item.active {
  background: var(--white);
  border-bottom-color: transparent;
  border-radius: var(--radius-lg);
  padding: 0 20px;
  margin-bottom: 6px;
  box-shadow: var(--shadow-sm);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  gap: 16px;
}
.faq-q .faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease, opacity .3s ease; opacity: 0; padding: 0; }
.faq-item.active .faq-a { max-height: 300px; opacity: 1; padding-bottom: 20px; }
.faq-a p { color: var(--gray); font-size: 15px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  padding: clamp(64px, 8vw, 100px) 0;
  background: linear-gradient(120deg, var(--primary) 0%, #D12E22 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 { color: #fff; font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 16px; line-height: 1.3; }
.cta-inner p { color: rgba(255,255,255,.9); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.cta-inner .btn { background: #fff; color: var(--primary); }
.cta-inner .btn:hover { background: var(--light); transform: translateY(1px); box-shadow: 0 8px 24px rgba(0,0,0,.18); }

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  padding: 64px 0 0;
  color: rgba(255,255,255,.7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand { padding: 0; }
.footer-brand .brand-text { color: #fff; font-size: 18px; }
.footer-desc { margin-top: 16px; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.55); max-width: 300px; }
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,.55); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.footer-bottom span:last-child { letter-spacing: 1px; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .header-inner { gap: 16px; }
  .search-wrap input { width: 110px; }
  .nav-links a { padding: 8px 12px; font-size: 14px; }
  .split-wrap { gap: 40px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
  .header-tools .search-wrap { display: none; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 8px;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 20px 40px rgba(0,0,0,.3);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links a { width: 100%; padding: 14px 16px; font-size: 16px; }
  .menu-toggle { display: flex; }
  .header-tools { margin-left: auto; }
  .split-wrap { grid-template-columns: 1fr; }
  .split-media img { height: 320px; }
  .type-grid { grid-template-columns: 1fr; }
  .faq-wrap { grid-template-columns: 1fr; gap: 40px; }
  .data-grid { grid-template-columns: 1fr 1fr; border-left: none; }
  .data-item { border: 1px solid rgba(255,255,255,.08); padding: 28px 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .page-hero { padding: 180px 0 80px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { flex-direction: column; gap: 12px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { text-align: left; display: flex; gap: 16px; align-items: flex-start; }
  .step-num { margin-bottom: 0; flex-shrink: 0; }
  .process-step h3 { margin-bottom: 4px; }
}

@media (max-width: 520px) {
  .header-inner { height: 64px; }
  .nav-links { top: 64px; }
  .brand-text { font-size: 16px; }
  .brand-icon { width: 36px; height: 36px; font-size: 17px; }
  .btn-login { display: none; }
  .btn-publish { padding: 8px 16px; font-size: 13px; }
  .page-hero h1 { font-size: 32px; }
  .section-head { margin-bottom: 36px; }
  .type-card img { height: 180px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .data-grid { grid-template-columns: 1fr; }
  .media-float { right: 8px; bottom: 16px; font-size: 13px; padding: 8px 14px; }
}