/* roulang page: index */
:root {
  --dark-purple: #2B1B3D;
  --brand-purple: #6D28D9;
  --neon-cyan: #00E5CC;
  --magenta: #FF3D9A;
  --deep-bg: #1B0F2B;
  --deep-bg2: #3B1D6E;
  --light-bg: #FAFAFC;
  --card-bg: #FFFFFF;
  --border: #E8E6EE;
  --text-primary: #1F1B2E;
  --text-secondary: #6E6A80;
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-btn: 8px;
  --shadow-sm: 0 2px 10px rgba(31, 20, 45, .04);
  --shadow-md: 0 8px 24px rgba(31, 20, 45, .08);
  --shadow-lg: 0 16px 40px rgba(31, 20, 45, .12);
  --glow-cyan: rgba(0, 229, 204, .32);
  --container: 1200px;
  --header-h: 64px;
  --font-family: "PingFang SC", "HarmonicOS Sans SC", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background: var(--light-bg); color: var(--text-primary); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header / Nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; height: var(--header-h); border-bottom: 1px solid #ECECF0; box-shadow: 0 2px 10px rgba(31, 20, 45, .04); }
.header-inner { max-width: var(--container); margin: 0 auto; height: 100%; padding: 0 24px; display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--brand-purple), var(--neon-cyan)); display: flex; align-items: center; justify-content: center; box-shadow: 0 0 16px rgba(109, 40, 217, .25); }
.logo-icon svg { width: 20px; height: 20px; fill: #fff; }
.logo-text { font-size: 19px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.01em; }
.logo-text span { color: var(--brand-purple); }
.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-link { position: relative; display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 6px; font-size: 15px; font-weight: 500; color: var(--text-primary); transition: all .2s ease; }
.nav-link:hover { background: rgba(109, 40, 217, .06); color: var(--dark-purple); }
.nav-link.active { color: var(--brand-purple); font-weight: 600; }
.nav-link.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px; border-radius: 2px; background: var(--brand-purple); }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.search-box { position: relative; width: 200px; }
.search-box input { width: 100%; height: 36px; border: 1px solid #D8D5E0; border-radius: 8px; padding: 0 14px 0 36px; font-size: 14px; background: #fff; color: var(--text-primary); outline: none; transition: all .2s; }
.search-box input:focus { border-color: var(--neon-cyan); box-shadow: 0 0 0 3px rgba(0, 229, 204, .15); }
.search-box svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; fill: #9A96AC; pointer-events: none; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 38px; padding: 0 20px; border-radius: 8px; background: linear-gradient(135deg, var(--neon-cyan), var(--brand-purple)); color: #fff; font-size: 14px; font-weight: 600; border: none; cursor: pointer; transition: all .25s ease; white-space: nowrap; box-shadow: 0 2px 10px rgba(0, 229, 204, .2); }
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 4px 18px rgba(0, 229, 204, .35); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 2px; }
.btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 44px; padding: 0 24px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .7); color: #fff; background: transparent; font-size: 15px; font-weight: 500; cursor: pointer; transition: all .2s; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn-ghost:active { background: rgba(255, 255, 255, .2); }
.btn-ghost:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.menu-toggle { display: none; width: 38px; height: 38px; border: none; background: transparent; border-radius: 8px; cursor: pointer; align-items: center; justify-content: center; transition: background .2s; }
.menu-toggle:hover { background: rgba(109, 40, 217, .06); }
.menu-toggle svg { width: 22px; height: 22px; fill: var(--text-primary); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 600px; max-height: 720px; height: 70vh; background: radial-gradient(ellipse at 20% 20%, var(--deep-bg2), var(--deep-bg) 55%, #120A1F); display: flex; align-items: center; overflow: hidden; }
.hero::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: 36px 36px; pointer-events: none; }
.hero-orbs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-orbs .orb-1 { position: absolute; top: -80px; right: 10%; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 61, 154, .35), transparent 70%); filter: blur(80px); }
.hero-orbs .orb-2 { position: absolute; bottom: -100px; left: -60px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 229, 204, .25), transparent 70%); filter: blur(90px); }
.hero-lines { position: absolute; top: -40px; right: 30%; width: 120px; height: 200px; transform: rotate(30deg); }
.hero-lines::before, .hero-lines::after { content: ""; position: absolute; width: 1px; height: 100%; background: linear-gradient(to bottom, transparent, rgba(0, 229, 204, .3), transparent); }
.hero-lines::after { left: 20px; background: linear-gradient(to bottom, transparent, rgba(255, 61, 154, .2), transparent); }
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-copy { padding: 40px 0; }
.hero h1 { font-size: clamp(42px, 5vw, 56px); font-weight: 700; color: #fff; line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 20px; }
.hero h1 span { background: linear-gradient(135deg, var(--neon-cyan), #7DF9E8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, .75); max-width: 480px; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-cyan { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 28px; border-radius: 8px; background: linear-gradient(135deg, #00E5CC, #00B8A9); color: #0B1A1A; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: all .25s; box-shadow: 0 4px 20px rgba(0, 229, 204, .3); }
.btn-cyan:hover { filter: brightness(1.08); box-shadow: 0 6px 26px rgba(0, 229, 204, .45); transform: translateY(-1px); }
.btn-cyan:active { transform: translateY(0); }
.btn-cyan:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.btn-outline-light { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 28px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .5); color: #fff; background: transparent; font-size: 15px; cursor: pointer; transition: all .25s; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.btn-outline-light:active { background: rgba(255, 255, 255, .2); }
.btn-outline-light:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.hero-trust { display: flex; gap: 12px; margin-top: 40px; font-size: 13px; color: rgba(255, 255, 255, .55); flex-wrap: wrap; }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan); }
.hero-visual { position: relative; padding: 20px 0; }
.hero-img-wrap { position: relative; border-radius: 20px; overflow: hidden; box-shadow: 0 20px 60px rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .08); }
.hero-img-wrap img { width: 100%; height: 380px; object-fit: cover; transition: transform .6s ease; }
.hero-img-wrap::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(27, 15, 43, .3), transparent 60%); }
.float-card { position: absolute; background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); border-radius: 12px; padding: 10px 16px; box-shadow: 0 8px 24px rgba(0, 0, 0, .2); display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text-primary); animation: floatUpDown 3s ease-in-out infinite; z-index: 2; }
.float-card .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); }
.float-card .dot.pulse { animation: pulseDot 2s ease-in-out infinite; }
.float-card.fc-1 { top: 40px; right: -10px; }
.float-card.fc-2 { bottom: 60px; left: -14px; animation-delay: 1.5s; }
.float-card.fc-2 .dot { background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan); }
@keyframes floatUpDown { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes pulseDot { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: .6; } }

/* ===== Section common ===== */
.section { padding: 96px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--brand-purple); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px; }
.section-kicker::before { content: ""; width: 20px; height: 2px; background: var(--brand-purple); border-radius: 2px; }
.section-head.center .section-kicker::after { content: ""; width: 20px; height: 2px; background: var(--brand-purple); border-radius: 2px; }
.section-title { font-size: clamp(26px, 3.2vw, 32px); font-weight: 700; line-height: 1.4; color: var(--text-primary); letter-spacing: -0.01em; margin-bottom: 12px; }
.section-desc { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* ===== Services ===== */
.services-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; transition: all .3s ease; }
.service-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--neon-cyan), var(--brand-purple), var(--magenta)); opacity: 0; transition: opacity .3s; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { opacity: 1; }
.service-icon { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, rgba(109, 40, 217, .1), rgba(0, 229, 204, .1)); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; transition: transform .3s; }
.service-card:hover .service-icon { transform: scale(1.05); }
.service-icon svg { width: 26px; height: 26px; fill: var(--brand-purple); }
.service-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--text-primary); }
.service-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 18px; }
.service-more { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 600; color: var(--brand-purple); transition: gap .2s; }
.service-more:hover { gap: 8px; color: var(--neon-cyan); }
.service-more svg { width: 14px; height: 14px; fill: currentColor; }

/* ===== Stats ===== */
.stats-section { background: linear-gradient(135deg, var(--deep-bg), #3D1F66); padding: 72px 0; position: relative; overflow: hidden; }
.stats-section::before { content: ""; position: absolute; top: -40px; right: 10%; width: 200px; height: 200px; background: rgba(255, 61, 154, .2); border-radius: 50%; filter: blur(80px); }
.stats-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item { text-align: center; padding: 20px; border-left: 1px solid rgba(255, 255, 255, .1); }
.stat-item:first-child { border-left: none; }
.stat-number { font-size: 48px; font-weight: 700; color: var(--neon-cyan); line-height: 1.2; font-family: "Inter", "DIN Alternate", sans-serif; letter-spacing: -0.02em; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, .65); margin-top: 8px; }

/* ===== Showcase ===== */
.showcase-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: stretch; }
.showcase-main { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 340px; box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.showcase-main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.showcase-main:hover img { transform: scale(1.03); }
.showcase-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 5, 30, .7), transparent 55%); display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; }
.showcase-overlay .tag { align-self: flex-start; background: rgba(255, 61, 154, .9); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; font-weight: 600; }
.showcase-overlay h3 { color: #fff; font-size: 24px; font-weight: 600; margin-bottom: 4px; }
.showcase-overlay p { color: rgba(255, 255, 255, .8); font-size: 14px; margin-bottom: 8px; }
.showcase-main-link { position: absolute; right: 24px; bottom: 24px; width: 32px; height: 32px; border-radius: 50%; background: rgba(255, 255, 255, .2); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; font-weight: 700; transition: all .3s; }
.showcase-main-link:hover { background: var(--neon-cyan); color: #0B1A1A; }
.showcase-side { display: grid; grid-template-rows: 1fr 1fr; gap: 24px; }
.showcase-side-card { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); min-height: 0; }
.showcase-side-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.showcase-side-card:hover img { transform: scale(1.04); }
.showcase-side-card .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 5, 30, .65), transparent 45%); display: flex; align-items: flex-end; padding: 16px; }
.showcase-side-card h4 { color: #fff; font-size: 16px; font-weight: 600; }
.showcase-side-card .tag { position: absolute; top: 12px; left: 12px; background: rgba(0, 229, 204, .85); color: #0B1A1A; font-size: 11px; padding: 3px 10px; border-radius: 20px; font-weight: 600; }

/* ===== Process / Solution ===== */
.process-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.process-step { text-align: center; position: relative; padding: 32px 20px; }
.process-step .step-num { font-size: 48px; font-weight: 800; color: rgba(109, 40, 217, .1); line-height: 1; font-family: "Inter", sans-serif; }
.process-step .step-icon { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 20px; background: linear-gradient(135deg, rgba(109, 40, 217, .1), rgba(0, 229, 204, .1)); display: flex; align-items: center; justify-content: center; }
.process-step .step-icon svg { width: 30px; height: 30px; fill: var(--brand-purple); }
.process-step h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--text-primary); }
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; max-width: 260px; margin: 0 auto; }
.step-connect { position: absolute; top: 64px; left: 33%; width: 34%; height: 1px; border-top: 2px dashed rgba(0, 229, 204, .5); }
.step-connect.line-1 { left: -10%; width: 120%; }
.step-connect.line-2 { left: -10%; width: 120%; }
.process-badge { position: absolute; top: -8px; right: 50%; transform: translateX(50%); background: var(--magenta); color: #fff; font-size: 11px; padding: 2px 10px; border-radius: 20px; font-weight: 600; }

/* ===== News / CMS ===== */
.news-section { background: var(--light-bg); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--card-bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: all .3s ease; display: block; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.news-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-badge { position: absolute; top: 12px; left: 12px; background: rgba(255, 61, 154, .9); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 20px; font-weight: 600; backdrop-filter: blur(4px); }
.news-body { padding: 20px 22px 22px; }
.news-body h3 { font-size: 18px; font-weight: 600; line-height: 1.5; color: var(--text-primary); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .2s; }
.news-card:hover .news-body h3 { color: var(--brand-purple); }
.news-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.news-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: #9A96AC; border-top: 1px solid #F0EFF5; padding-top: 14px; }
.news-meta span { display: inline-flex; align-items: center; gap: 4px; }
.news-meta svg { width: 14px; height: 14px; fill: #9A96AC; }
.news-empty { background: #fff; border: 1px dashed #D8D5E0; border-radius: var(--radius); padding: 48px; text-align: center; color: var(--text-secondary); font-size: 15px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.news-empty svg { width: 36px; height: 36px; fill: #C9C3D6; }

/* ===== FAQ ===== */
.faq-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.faq-intro { position: sticky; top: 96px; }
.faq-intro h3 { font-size: 24px; font-weight: 700; margin-bottom: 14px; color: var(--text-primary); }
.faq-intro p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: all .25s; background: #fff; }
.faq-item:hover { border-color: #D0CBE0; box-shadow: var(--shadow-sm); }
.faq-item.active { border-color: rgba(109, 40, 217, .3); box-shadow: 0 4px 16px rgba(109, 40, 217, .08); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-primary); user-select: none; gap: 16px; }
.faq-q .plus-icon { width: 24px; height: 24px; border-radius: 50%; background: rgba(109, 40, 217, .08); flex-shrink: 0; display: flex; align-items: center; justify-content: center; transition: transform .3s, background .3s; position: relative; }
.faq-q .plus-icon::before, .faq-q .plus-icon::after { content: ""; position: absolute; background: var(--brand-purple); border-radius: 2px; transition: all .3s; }
.faq-q .plus-icon::before { width: 10px; height: 2px; }
.faq-q .plus-icon::after { width: 2px; height: 10px; }
.faq-item.active .plus-icon { transform: rotate(180deg); background: var(--brand-purple); }
.faq-item.active .plus-icon::before, .faq-item.active .plus-icon::after { background: #fff; }
.faq-item.active .plus-icon::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s; padding: 0 22px; }
.faq-item.active .faq-a { max-height: 300px; padding: 0 22px 18px; }
.faq-a p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; background: #F7F6FA; border-radius: var(--radius-sm); padding: 16px; }

/* ===== CTA ===== */
.cta-section { background: radial-gradient(ellipse at 30% 20%, #3D1F66, var(--deep-bg) 60%, #120A1F); padding: 88px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; top: -60px; left: 8%; width: 180px; height: 180px; background: rgba(0, 229, 204, .2); border-radius: 50%; filter: blur(70px); }
.cta-section::after { content: ""; position: absolute; bottom: -40px; right: 12%; width: 160px; height: 160px; background: rgba(255, 61, 154, .2); border-radius: 50%; filter: blur(70px); }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 620px; margin: 0 auto; }
.cta-title { font-size: clamp(24px, 3vw, 28px); font-weight: 700; color: #fff; line-height: 1.4; margin-bottom: 14px; letter-spacing: -0.01em; }
.cta-sub { font-size: 16px; color: rgba(255, 255, 255, .75); line-height: 1.8; margin-bottom: 32px; }
.cta-form { display: flex; gap: 12px; justify-content: center; max-width: 460px; margin: 0 auto; }
.cta-form input { flex: 1; height: 44px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .08); color: #fff; padding: 0 16px; font-size: 14px; outline: none; transition: all .25s; backdrop-filter: blur(4px); }
.cta-form input::placeholder { color: rgba(255, 255, 255, .5); }
.cta-form input:focus { border-color: var(--neon-cyan); box-shadow: 0 0 0 3px rgba(0, 229, 204, .15); }
.cta-form .btn-cyan { flex-shrink: 0; }
.cta-note { margin-top: 16px; font-size: 13px; color: rgba(255, 255, 255, .45); display: flex; align-items: center; justify-content: center; gap: 6px; }
.cta-note svg { width: 14px; height: 14px; fill: rgba(255, 255, 255, .4); }

/* ===== Footer ===== */
.site-footer { background: #120A1F; color: rgba(255, 255, 255, .7); padding-top: 72px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand .logo-text { color: #fff; margin-bottom: 14px; }
.footer-brand .logo-text span { color: var(--neon-cyan); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .55); margin-bottom: 20px; max-width: 300px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 34px; height: 34px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .15); display: flex; align-items: center; justify-content: center; transition: all .25s; }
.footer-social a:hover { background: rgba(0, 229, 204, .15); border-color: var(--neon-cyan); }
.footer-social svg { width: 16px; height: 16px; fill: rgba(255, 255, 255, .6); }
.footer-social a:hover svg { fill: var(--neon-cyan); }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: rgba(255, 255, 255, .55); display: inline-flex; align-items: center; gap: 6px; transition: all .2s; }
.footer-col a:hover { color: var(--neon-cyan); text-decoration: underline dotted 1px; text-underline-offset: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .55); margin-bottom: 12px; }
.footer-contact svg { width: 16px; height: 16px; fill: var(--neon-cyan); flex-shrink: 0; margin-top: 3px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 0; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .38); }
.footer-links { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: rgba(255, 255, 255, .38); transition: color .2s; }
.footer-links a:hover { color: var(--neon-cyan); }
.footer-links .sep { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, .3); }

/* ===== Mobile Nav ===== */
.mobile-nav { position: fixed; top: 0; right: 0; width: 300px; height: 100vh; background: #fff; z-index: 200; padding: 24px; transform: translateX(100%); transition: transform .3s ease; overflow-y: auto; box-shadow: -10px 0 50px rgba(0, 0, 0, .12); }
.mobile-nav.open { transform: translateX(0); }
.mobile-nav .mobile-nav-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.mobile-nav-close { width: 38px; height: 38px; border: none; background: rgba(109, 40, 217, .06); border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.mobile-nav-close svg { width: 18px; height: 18px; fill: var(--text-primary); }
.mobile-nav-link { display: block; padding: 14px 0; border-bottom: 1px solid #F0EFF5; font-size: 16px; font-weight: 500; color: var(--text-primary); }
.mobile-nav-link.active { color: var(--brand-purple); font-weight: 600; }
.mobile-nav .btn-primary { width: 100%; margin-top: 16px; }
.mobile-nav-overlay { position: fixed; inset: 0; background: rgba(15, 8, 30, .4); z-index: 150; opacity: 0; visibility: hidden; transition: all .3s; }
.mobile-nav-overlay.open { opacity: 1; visibility: visible; }

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .header-inner { gap: 16px; }
  .search-box { width: 170px; }
  .hero-grid { gap: 24px; }
  .showcase-grid { grid-template-columns: 1.6fr 1fr; }
}
@media (max-width: 991px) {
  .section { padding: 72px 0; }
  .hero { min-height: 560px; height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { padding: 40px 0 0; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-btns, .hero-trust { justify-content: center; }
  .hero-visual { max-width: 560px; margin: 0 auto; width: 100%; }
  .hero-img-wrap img { height: 320px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-main { min-height: 300px; }
  .showcase-side { grid-template-columns: 1fr 1fr; grid-template-rows: none; gap: 16px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .faq-intro { position: static; text-align: center; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .process-flow { grid-template-columns: 1fr; gap: 0; }
  .step-connect { display: none; }
  .process-step { padding: 24px 0; border-bottom: 1px dashed var(--border); }
  .process-step:last-child { border-bottom: none; }
}
@media (max-width: 767px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .search-box { display: none; }
  .header-actions { gap: 8px; }
  .hero { min-height: auto; padding: 40px 0; }
  .hero h1 { font-size: 36px; }
  .section { padding: 56px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .stat-item { border-left: none; }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .1); }
  .stat-number { font-size: 36px; }
  .news-grid { grid-template-columns: 1fr; }
  .cta-form { flex-direction: column; }
  .cta-form .btn-cyan { width: 100%; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .showcase-side { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .btn-primary { padding: 0 12px; font-size: 13px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .section-title { font-size: 24px; }
  .float-card { font-size: 12px; padding: 8px 12px; }
  .float-card.fc-1 { right: 4px; top: 24px; }
  .float-card.fc-2 { left: 4px; bottom: 24px; }
}
@media (min-width: 768px) {
  .mobile-nav, .mobile-nav-overlay { display: none; }
}

/* roulang page: article */
:root {
  --bg: #FAFAFC;
  --card: #FFFFFF;
  --ink: #1F1B2E;
  --ink-2: #6E6A80;
  --ink-3: #9B97A8;
  --border: #E8E6EE;
  --purple: #6D28D9;
  --purple-deep: #2B1B3D;
  --purple-light: #F1EAFE;
  --cyan: #00E5CC;
  --cyan-rgb: 0, 229, 204;
  --pink: #FF3D9A;
  --dark-bg: #1B0F2B;
  --dark-glow: #3B1D6E;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 28px rgba(31, 20, 45, .08);
  --shadow-lg: 0 16px 44px rgba(31, 20, 45, .12);
  --font: "PingFang SC", "HarmonicOS Sans SC", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  height: 40px;
  padding: 0 22px;
  transition: all .25s ease;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  color: #fff;
  box-shadow: 0 4px 18px rgba(var(--cyan-rgb), .25);
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(var(--cyan-rgb), .45); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 10px rgba(var(--cyan-rgb), .25); }
.btn-primary:focus-visible { outline: 3px solid rgba(var(--cyan-rgb), .5); outline-offset: 2px; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.6);
}
.btn-outline:hover { background: rgba(255,255,255,.10); border-color: #fff; }
.btn-outline:focus-visible { outline: 3px solid rgba(255,255,255,.4); outline-offset: 2px; }

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #ECECF0;
  box-shadow: 0 2px 10px rgba(31,20,45,.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px rgba(109,40,217,.3);
}
.brand-icon svg { width: 20px; height: 20px; fill: currentColor; }
.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-text span { color: var(--purple); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: block;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  position: relative;
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--purple-deep); background: rgba(109,40,217,.06); }
.nav-link.active { color: var(--purple); font-weight: 600; }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--purple);
}
.nav-link:focus-visible { outline: 2px solid var(--purple); outline-offset: 2px; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  width: 200px;
  height: 36px;
  background: #F7F6FA;
  border: 1px solid #D8D5E0;
  border-radius: 20px;
  padding: 0 14px;
  gap: 8px;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.search-box svg { width: 15px; height: 15px; fill: var(--ink-3); flex-shrink: 0; }
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--ink);
  width: 100%;
}
.search-box input::placeholder { color: var(--ink-3); }
.search-box:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(var(--cyan-rgb), .18); background: #fff; }
.header-cta { height: 38px; padding: 0 18px; font-size: 14px; }
.nav-toggle { display: none; }

/* 面包屑 */
.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-3);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink-2); transition: color .2s; }
.breadcrumb a:hover { color: var(--purple); }
.breadcrumb .sep { color: #C9C5D4; }
.breadcrumb .current { color: var(--purple); font-weight: 500; }

/* 文章主体区 */
.article-section { padding: 56px 0 72px; }
.article-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 40px;
  max-width: 960px;
  margin: 0 auto;
}
.article-head { text-align: center; max-width: 760px; margin: 0 auto 36px; }
.article-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,61,154,.10);
  color: var(--pink);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: .03em;
}
.article-head h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: 13px;
  color: var(--ink-3);
  flex-wrap: wrap;
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta svg { width: 14px; height: 14px; fill: currentColor; }
.article-cover {
  border-radius: 18px;
  overflow: hidden;
  margin: 24px auto 0;
  max-width: 960px;
  aspect-ratio: 24/10;
  background: var(--purple-light);
}
.article-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.article-card:hover .article-cover img { transform: scale(1.02); }
.article-content {
  max-width: 760px;
  margin: 40px auto 0;
  font-size: 16px;
  line-height: 1.8;
  color: #2A2636;
}
.article-content p { margin-bottom: 20px; }
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 36px 0 16px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 28px 0 12px;
}
.article-content ul, .article-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}
.article-content ul li {
  list-style: disc;
  margin-bottom: 8px;
}
.article-content ol li {
  list-style: decimal;
  margin-bottom: 8px;
}
.article-content blockquote {
  border-left: 4px solid var(--purple);
  background: rgba(109,40,217,.05);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  margin: 24px 0;
  color: var(--ink-2);
  font-style: normal;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img {
  border-radius: 12px;
  margin: 24px 0;
}
.article-content a {
  color: var(--purple);
  font-weight: 500;
  border-bottom: 1px solid rgba(109,40,217,.3);
  transition: border-color .2s, color .2s;
}
.article-content a:hover { color: var(--cyan); border-color: var(--cyan); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: 10px;
  overflow: hidden;
  font-size: 14px;
}
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
}
.article-content th { background: var(--purple-light); color: var(--purple-deep); font-weight: 600; }
.article-content code {
  background: #F3F1F8;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 14px;
  font-family: "SFMono-Regular", Consolas, monospace;
  color: var(--purple);
}

/* 标签组 */
.article-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 760px;
  margin: 40px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: #F3F1F8;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  border-radius: 20px;
  transition: background .25s, color .25s;
}
.tag-pill:hover { background: rgba(109,40,217,.12); color: var(--purple); }

/* 上一篇/下一篇 */
.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 760px;
  margin: 36px auto 0;
}
.pager-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #F7F6FA;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.pager-link:hover { background: var(--purple-light); border-color: rgba(109,40,217,.25); box-shadow: var(--shadow); }
.pager-link.next { text-align: right; }
.pager-label { font-size: 12px; color: var(--ink-3); }
.pager-title { font-size: 15px; font-weight: 600; color: var(--ink); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }

/* 内容未找到 */
.not-found {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  padding: 80px 32px;
  max-width: 760px;
  margin: 0 auto;
}
.not-found-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(109,40,217,.10), rgba(0,229,204,.14));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.not-found-icon svg { width: 34px; height: 34px; fill: var(--purple); opacity: .7; }
.not-found h2 { font-size: 26px; color: var(--ink); margin-bottom: 12px; }
.not-found p { color: var(--ink-2); font-size: 15px; max-width: 420px; margin: 0 auto 28px; }

/* 相关推荐 */
.related-section { padding: 64px 0 80px; background: #fff; border-top: 1px solid var(--border); }
.section-head { margin-bottom: 40px; }
.section-head .section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--purple);
  background: rgba(109,40,217,.07);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(24px, 3vw, 30px); font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.section-head p { color: var(--ink-2); font-size: 15px; margin-top: 8px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); border-color: rgba(109,40,217,.22); }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-thumb .cat-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(27,15,43,.75);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
  letter-spacing: .02em;
}
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.45; margin-bottom: 10px; transition: color .2s; }
.news-card:hover .news-body h3 { color: var(--purple); }
.news-body .news-summary {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  flex: 1;
}
.news-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-3);
}
.news-foot .news-link { color: var(--purple); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: gap .2s, color .2s; }
.news-card:hover .news-foot .news-link { gap: 8px; color: var(--cyan); }

/* CTA 联系区 */
.cta-section {
  position: relative;
  background: radial-gradient(1200px 500px at 20% 20%, var(--dark-glow), var(--dark-bg) 70%);
  padding: 88px 0;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255,61,154,.45), transparent 70%);
  filter: blur(70px);
  pointer-events: none;
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -60px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(var(--cyan-rgb), .35), transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(24px, 3.4vw, 30px); font-weight: 700; color: #fff; margin-bottom: 14px; letter-spacing: -0.01em; }
.cta-inner > p { color: rgba(255,255,255,.72); font-size: 15px; margin-bottom: 34px; }
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 560px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  height: 46px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 8px;
  padding: 0 18px;
  font-size: 14px;
  color: #fff;
  outline: none;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.cta-form input::placeholder { color: rgba(255,255,255,.55); }
.cta-form input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(var(--cyan-rgb), .22); background: rgba(255,255,255,.14); }
.cta-form button {
  height: 46px;
  padding: 0 30px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow .25s, transform .25s;
  box-shadow: 0 4px 16px rgba(var(--cyan-rgb), .25);
  flex-shrink: 0;
}
.cta-form button:hover { box-shadow: 0 6px 28px rgba(var(--cyan-rgb), .45); transform: translateY(-2px); }
.cta-form button:active { transform: translateY(0); }
.cta-form button:focus-visible { outline: 3px solid rgba(255,255,255,.5); outline-offset: 2px; }
.cta-note { color: rgba(255,255,255,.45); font-size: 12px; margin-top: 22px; }

/* 页脚 */
.site-footer {
  background: #140B20;
  color: rgba(255,255,255,.72);
  padding: 64px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.footer-brand .logo-text span { color: var(--cyan); }
.footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,.55); max-width: 320px; margin-bottom: 22px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  transition: color .25s, border-color .25s, background .25s, transform .25s;
}
.footer-social a:hover { color: var(--cyan); border-color: rgba(var(--cyan-rgb), .5); background: rgba(var(--cyan-rgb), .08); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; fill: currentColor; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer-col a:hover { color: var(--cyan); border-bottom: 1px dashed rgba(var(--cyan-rgb), .5); }
.footer-col .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
  margin-bottom: 12px;
}
.footer-col .contact-item svg { width: 16px; height: 16px; fill: var(--cyan); flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,.45); transition: color .2s; }
.footer-bottom-links a:hover { color: var(--cyan); }

/* 响应式 */
@media (max-width: 1024px) {
  .header-actions { gap: 8px; }
  .search-box { width: 160px; }
  .footer-top { gap: 28px; }
}
@media (max-width: 920px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .header-inner { height: auto; min-height: 64px; flex-wrap: wrap; padding: 10px 0; }
  .brand { order: 1; }
  .header-actions { order: 2; margin-left: auto; }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    transition: border-color .25s, background .25s;
  }
  .nav-toggle:hover { border-color: var(--purple); background: var(--purple-light); }
  .nav-toggle svg { width: 18px; height: 18px; fill: var(--ink); transition: fill .25s; }
  .nav-toggle:hover svg { fill: var(--purple); }
  .nav-toggle.active { border-color: var(--purple); background: var(--purple-light); }
  .nav-toggle.active svg { fill: var(--purple); }
  .main-nav {
    display: none;
    order: 4;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 16px;
    border-top: 1px solid var(--border);
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 12px 16px; font-size: 16px; border-bottom: 1px solid #F4F2F8; }
  .nav-link:last-child { border-bottom: none; }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(109,40,217,.07); border-radius: 8px; }
  .search-box { display: none; }
  .article-section { padding: 32px 0 48px; }
  .article-card { padding: 24px 18px; }
  .article-head h1 { font-size: 28px; }
  .article-content { font-size: 15px; }
  .post-pager { grid-template-columns: 1fr; }
  .cta-form { flex-direction: column; }
  .cta-form input { width: 100%; }
  .cta-form button { width: 100%; }
}
@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .header-cta { padding: 0 14px; font-size: 13px; height: 36px; }
  .brand-text { font-size: 17px; }
  .article-meta { gap: 10px; font-size: 12px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; padding-bottom: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .footer-bottom-links { gap: 14px; }
  .breadcrumb { font-size: 12px; }
  .not-found { padding: 56px 20px; }
}

/* roulang page: category1 */
:root{
  --primary:#6D28D9;
  --primary-dark:#3B1D6E;
  --primary-deep:#2B1B3D;
  --accent:#00E5CC;
  --pink:#FF3D9A;
  --bg:#FAFAFC;
  --card:#FFFFFF;
  --text:#1F1B2E;
  --weak:#6E6A80;
  --border:#E8E6EE;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 20px rgba(31,20,45,.06);
  --shadow-hover:0 14px 36px rgba(31,20,45,.12);
  --trans:all .3s ease;
  --container:1200px;
  --space:88px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonicOS Sans SC","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--trans)}
img{max-width:100%;display:block}
button,input{font-family:inherit;outline:none;border:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;border-radius:8px;font-weight:600;font-size:15px;
  padding:10px 24px;cursor:pointer;transition:var(--trans);
  line-height:1;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--primary));
  color:#fff;box-shadow:0 4px 18px rgba(0,229,204,.22);
}
.btn-primary:hover{box-shadow:0 8px 28px rgba(0,229,204,.4);transform:translateY(-2px)}
.btn-outline{
  background:transparent;border:1px solid rgba(255,255,255,.8);
  color:#fff;
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-dark{
  background:var(--primary);color:#fff;
  box-shadow:0 4px 18px rgba(109,40,217,.25);
}
.btn-dark:hover{background:var(--primary-dark);transform:translateY(-2px)}
.section{padding:var(--space) 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(109,40,217,.08);padding:4px 14px;border-radius:999px;
  margin-bottom:14px;letter-spacing:.02em;
}
.section-title{
  font-size:clamp(26px,3vw,32px);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
  color:var(--text);
}
.section-sub{font-size:15px;color:var(--weak);margin-top:10px;line-height:1.8}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* Header Nav */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid #ECECF0;
  box-shadow:0 2px 10px rgba(31,20,45,.04);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--text);
  letter-spacing:-.01em;
}
.logo-icon{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;box-shadow:0 4px 12px rgba(109,40,217,.28);
}
.logo-icon svg{width:20px;height:20px;fill:#fff}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:8px 16px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--weak);
  position:relative;transition:var(--trans);
}
.nav-link:hover{background:rgba(109,40,217,.06);color:var(--primary-dark)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:0;
  height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:36px;padding:0 12px;
  background:var(--bg);border:1px solid #D8D5E0;border-radius:8px;
  transition:var(--trans);
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,204,.18)}
.search-box svg{width:14px;height:14px;stroke:#999;flex-shrink:0}
.search-box input{
  width:100%;height:100%;background:transparent;
  border:none;font-size:13px;color:var(--text);
}
.search-box input::placeholder{color:#A9A6B4}
.nav-cta{height:38px;padding:0 20px;font-size:14px}
.menu-toggle{
  display:none;width:38px;height:38px;border-radius:8px;
  background:var(--bg);cursor:pointer;
  align-items:center;justify-content:center;
  border:1px solid var(--border);flex-shrink:0;
}
.menu-toggle svg{width:18px;height:18px;stroke:var(--text)}
.mobile-menu{
  display:none;background:#fff;border-top:1px solid var(--border);
  padding:12px 20px 20px;
}
.mobile-menu .nav-link{
  display:block;padding:13px 8px;font-size:16px;
  border-bottom:1px solid #F2F1F6;
}
.mobile-menu .nav-link:last-child{border-bottom:none}
.mobile-menu .nav-link.active{background:rgba(109,40,217,.06)}
.mobile-search{
  display:flex;align-items:center;gap:8px;
  margin-top:12px;padding:0 12px;height:40px;
  background:var(--bg);border:1px solid #D8D5E0;border-radius:8px;
}

/* Category Hero */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(109,40,217,.10) 0%,#FAFAFC 70%);
  padding:72px 0 60px;
}
.cat-hero::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.05;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{
  font-size:13px;color:var(--weak);margin-bottom:22px;
  display:flex;flex-wrap:wrap;gap:6px;align-items:center;
}
.breadcrumb a{color:var(--weak)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3C0CE}
.cat-hero h1{
  font-size:clamp(28px,4vw,38px);font-weight:700;
  letter-spacing:-.02em;color:var(--text);line-height:1.3;
  margin-bottom:16px;
}
.cat-hero p{
  font-size:15px;color:var(--weak);max-width:680px;line-height:1.8;
  margin-bottom:28px;
}
.cat-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.cat-hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(109,40,217,.08);padding:6px 14px;border-radius:999px;
  margin-bottom:20px;
}
.cat-hero-badge svg{width:14px;height:14px;fill:var(--primary)}

/* Value Props */
.value-grid{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;
  gap:24px;
}
.value-card{
  background:var(--card);border-radius:var(--radius);
  padding:30px 28px;border:1px solid var(--border);
  box-shadow:var(--shadow);transition:var(--trans);
  position:relative;overflow:hidden;
}
.value-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
  border-color:rgba(109,40,217,.25);
}
.value-card .v-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;font-size:22px;
  background:linear-gradient(135deg,rgba(109,40,217,.14),rgba(0,229,204,.12));
}
.value-card:nth-child(2) .v-icon{background:linear-gradient(135deg,rgba(0,229,204,.18),rgba(109,40,217,.10))}
.value-card:nth-child(3) .v-icon{background:linear-gradient(135deg,rgba(255,61,154,.14),rgba(109,40,217,.10))}
.value-card h3{font-size:19px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.value-card p{font-size:14px;color:var(--weak);line-height:1.75}
.value-card .v-tag{
  position:absolute;top:20px;right:20px;
  font-size:11px;font-weight:600;color:var(--pink);
  background:rgba(255,61,154,.10);padding:3px 10px;border-radius:999px;
}

/* Scenario Dark */
.scenario-section{
  position:relative;overflow:hidden;
  background:radial-gradient(ellipse at top right,rgba(59,29,110,.65),transparent 60%),
             radial-gradient(ellipse at bottom left,rgba(0,229,204,.12),transparent 50%),
             linear-gradient(135deg,#1B0F2B 0%,#3B1D6E 100%);
  padding:var(--space) 0;
}
.scenario-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(transparent 95%,rgba(255,255,255,.04) 100%);
  background-size:100% 40px;
  opacity:.5;pointer-events:none;
}
.scenario-section .section-title{color:#fff}
.scenario-section .section-sub{color:rgba(255,255,255,.65)}
.scenario-section .section-kicker{
  background:rgba(255,255,255,.12);color:#fff;
}
.scenario-grid{
  display:grid;grid-template-columns:1.2fr 1fr;
  gap:24px;position:relative;z-index:2;
}
.scenario-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:30px 28px;
  backdrop-filter:blur(4px);
  transition:var(--trans);
}
.scenario-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-3px);
  border-color:rgba(0,229,204,.35);
}
.scenario-card.big{
  grid-row:span 2;
  display:flex;flex-direction:column;
  justify-content:flex-end;
  min-height:280px;
  background:
    linear-gradient(to bottom,rgba(27,15,43,.1),rgba(27,15,43,.75)),
    url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
  border:none;overflow:hidden;
}
.scenario-card .s-num{
  font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.04em;margin-bottom:14px;
}
.scenario-card h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px}
.scenario-card p{font-size:14px;color:rgba(255,255,255,.65);line-height:1.75}

/* Content Cards */
.content-section{background:var(--bg)}
.content-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.content-card{
  background:var(--card);border-radius:var(--radius);
  overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);transition:var(--trans);
  display:flex;flex-direction:column;
}
.content-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
  border-color:rgba(109,40,217,.2);
}
.content-card .cc-cover{
  position:relative;height:180px;overflow:hidden;
  background:#F0EEF6;
}
.content-card .cc-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.content-card:hover .cc-cover img{transform:scale(1.05)}
.content-card .cc-tag{
  position:absolute;top:14px;left:14px;
  background:rgba(27,15,43,.8);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
  backdrop-filter:blur(4px);
}
.content-card .cc-body{padding:22px 22px 20px;flex:1;display:flex;flex-direction:column}
.content-card .cc-title{
  font-size:18px;font-weight:700;line-height:1.4;
  letter-spacing:-.01em;margin-bottom:10px;
  transition:color .25s;
}
.content-card:hover .cc-title{color:var(--primary)}
.content-card .cc-desc{
  font-size:14px;color:var(--weak);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;margin-bottom:16px;
}
.content-card .cc-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid #F0EEF6;
  font-size:13px;color:#A9A6B4;
}
.content-card .cc-meta .arrow{
  width:24px;height:24px;border-radius:50%;
  background:rgba(109,40,217,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;transition:var(--trans);
}
.content-card:hover .cc-meta .arrow{
  background:var(--primary);color:#fff;transform:translateX(2px);
}

/* Steps Flow */
.steps-section{background:var(--card)}
.steps-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:32px;position:relative;
}
.steps-grid::before{
  content:'';position:absolute;top:52px;left:12%;right:12%;
  border-top:2px dashed rgba(0,229,204,.45);
  pointer-events:none;
}
.step-item{
  position:relative;text-align:center;padding:0 12px;
}
.step-num{
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;position:relative;z-index:1;
  box-shadow:0 6px 20px rgba(109,40,217,.3);
}
.step-item:nth-child(2) .step-num{
  background:linear-gradient(135deg,#FF3D9A,var(--primary));
  box-shadow:0 6px 20px rgba(255,61,154,.3);
}
.step-badge{
  display:inline-block;font-size:11px;font-weight:700;color:#fff;
  background:var(--pink);padding:2px 10px;border-radius:999px;
  margin-bottom:8px;
}
.step-item h3{font-size:18px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.step-item p{font-size:14px;color:var(--weak);line-height:1.7}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-layout{
  display:grid;grid-template-columns:0.8fr 1.4fr;
  gap:48px;align-items:start;
}
.faq-intro .section-head{margin-bottom:20px}
.faq-intro p{font-size:15px;color:var(--weak);line-height:1.8;margin-bottom:24px}
.faq-intro .faq-contact{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);
  background:rgba(109,40,217,.08);padding:10px 18px;border-radius:8px;
}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-sm);overflow:hidden;
  transition:var(--trans);
}
.faq-item:hover{border-color:rgba(109,40,217,.25)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;background:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;
}
.faq-q .icon{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:rgba(109,40,217,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:transform .3s ease;margin-left:16px;
}
.faq-item.active .faq-q .icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-item.active .faq-a{max-height:300px}
.faq-a-inner{
  padding:0 22px 18px;font-size:14px;color:var(--weak);line-height:1.8;
  background:#F7F6FA;margin:0 8px 8px;border-radius:var(--radius-sm);
  padding-top:14px;
}

/* CTA */
.cta-section{
  position:relative;overflow:hidden;
  background:radial-gradient(ellipse at 20% 20%,rgba(255,61,154,.18),transparent 50%),
             radial-gradient(ellipse at 80% 80%,rgba(0,229,204,.16),transparent 50%),
             linear-gradient(135deg,#1B0F2B,#3B1D6E);
  padding:90px 0;
  text-align:center;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.06;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cta-inner h2{
  font-size:clamp(24px,3vw,30px);font-weight:700;color:#fff;
  letter-spacing:-.01em;margin-bottom:16px;
}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:32px}
.cta-form{display:flex;gap:12px;max-width:480px;margin:0 auto 16px}
.cta-form input{
  flex:1;height:46px;padding:0 18px;border-radius:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:14px;transition:var(--trans);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,204,.22)}
.cta-form .btn{height:46px;padding:0 30px}
.cta-note{font-size:13px;color:rgba(255,255,255,.5)}

/* Footer */
.site-footer{
  background:var(--primary-deep);
  padding:70px 0 0;color:rgba(255,255,255,.65);
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand .logo-text{
  font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em;
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-brand .logo-text span{color:var(--accent)}
.footer-brand p{
  font-size:14px;line-height:1.8;
  color:rgba(255,255,255,.55);margin-bottom:22px;
}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  transition:var(--trans);
}
.footer-social a:hover{background:rgba(0,229,204,.2);transform:translateY(-2px)}
.footer-social svg{width:16px;height:16px;fill:#fff;opacity:.8}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;
  margin-bottom:18px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col ul li{font-size:14px}
.footer-col ul li a{color:rgba(255,255,255,.55);transition:var(--trans)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 0;flex-wrap:wrap;gap:10px;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.4)}
.footer-links{display:flex;gap:20px;font-size:13px}
.footer-links a{color:rgba(255,255,255,.4)}
.footer-links a:hover{color:var(--accent)}

/* Back to top */
.back-top{
  position:fixed;right:24px;bottom:24px;z-index:99;
  width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(109,40,217,.3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:var(--trans);cursor:pointer;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary-dark);transform:translateY(-2px)}

/* Responsive */
@media (max-width:1199px){
  .value-grid{grid-template-columns:1fr 1fr}
  .value-card:first-child{grid-column:span 2}
  .content-grid{grid-template-columns:repeat(3,1fr);gap:18px}
}
@media (max-width:991px){
  :root{--space:72px}
  .content-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:1fr}
  .scenario-card.big{grid-row:auto;min-height:220px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .steps-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .search-box{display:none}
}
@media (max-width:767px){
  .main-nav,.nav-actions .search-box{display:none}
  .menu-toggle{display:flex}
  .mobile-menu.open{display:block}
  .nav-cta{font-size:13px;padding:0 16px}
  .value-grid{grid-template-columns:1fr}
  .value-card:first-child{grid-column:auto}
  .content-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr;gap:40px}
  .steps-grid::before{display:none}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cat-hero{padding:56px 0 44px}
}
@media (max-width:575px){
  :root{--space:56px}
  .section-head{margin-bottom:32px}
  .container{padding:0 16px}
  .content-grid{gap:16px}
  .content-card .cc-cover{height:200px}
  .value-card{padding:24px 20px}
  .scenario-card{padding:24px 20px}
  .footer-top{gap:28px;padding-bottom:34px}
  .footer-links{flex-wrap:wrap;gap:14px;justify-content:center}
  .cta-section{padding:70px 0}
}

/* roulang page: category2 */
:root {
  --color-primary: #6D28D9;
  --color-primary-dark: #4C1D95;
  --color-accent: #00E5CC;
  --color-pulse: #FF3D9A;
  --color-bg-dark: #1B0F2B;
  --color-bg-dark-2: #3B1D6E;
  --color-bg-light: #FAFAFC;
  --color-card: #FFFFFF;
  --color-border: #E8E6EE;
  --color-text: #1F1B2E;
  --color-text-sub: #6E6A80;
  --color-text-light: rgba(255, 255, 255, .85);
  --color-text-faint: rgba(255, 255, 255, .65);
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(31, 20, 45, .06);
  --shadow-hover: 0 12px 32px rgba(31, 20, 45, .12);
  --font-base: "PingFang SC", "HarmonicOS Sans SC", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --transition: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-base); background: var(--color-bg-light); color: var(--color-text); line-height: 1.75; font-size: 15px; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header & Nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid #ECECF0;
  box-shadow: 0 2px 10px rgba(31, 20, 45, .04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo-text { font-size: 19px; font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; }
.logo-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.logo-icon svg { width: 20px; height: 20px; fill: #fff; }
.logo-text span { color: var(--color-primary); }
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 14px; border-radius: 6px; font-size: 15px; font-weight: 500; color: var(--color-text);
  position: relative; transition: var(--transition);
}
.nav-link:hover { background: rgba(109, 40, 217, .06); color: var(--color-primary-dark); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.nav-link.active::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--color-primary);
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex; align-items: center; width: 200px; height: 36px;
  border: 1px solid #D8D5E0; border-radius: 8px; padding: 0 10px; gap: 6px;
  background: #fff; transition: var(--transition);
}
.search-box:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(0, 229, 204, .18); }
.search-box svg { width: 16px; height: 16px; fill: var(--color-text-sub); flex-shrink: 0; }
.search-box input { border: none; background: transparent; flex: 1; font-size: 13px; color: var(--color-text); }
.search-box input::placeholder { color: #A8A4B8; }
.btn-header {
  height: 38px; padding: 0 20px; border-radius: 8px; background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition);
  white-space: nowrap;
}
.btn-header:hover { filter: brightness(1.08); box-shadow: 0 6px 18px rgba(0, 229, 204, .28); transform: translateY(-1px); }
.btn-header:active { transform: translateY(0); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: transparent; cursor: pointer; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition); }

/* Page Hero */
.page-hero {
  background: linear-gradient(135deg, rgba(109, 40, 217, .12) 0%, rgba(255, 255, 255, .98) 55%, rgba(0, 229, 204, .06) 100%);
  padding: 64px 0 72px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: -80px; right: -40px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255, 61, 154, .14) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero::after {
  content: ''; position: absolute; bottom: -60px; left: 10%; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0, 229, 204, .12) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 13px; color: var(--color-text-sub); margin-bottom: 16px; display: flex; gap: 6px; align-items: center; }
.breadcrumb a { color: var(--color-text-sub); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: #C4C0D0; }
.page-hero h1 { font-size: 34px; font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; line-height: 1.3; margin-bottom: 12px; }
.page-hero p { font-size: 15px; color: var(--color-text-sub); max-width: 640px; line-height: 1.8; }

/* Section */
.section { padding: 80px 0; }
.section-head { margin-bottom: 44px; max-width: 720px; }
.section-head .eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .06em;
  color: var(--color-primary); background: rgba(109, 40, 217, .08);
  padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: 30px; font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; line-height: 1.3; margin-bottom: 10px; }
.section-head p { font-size: 15px; color: var(--color-text-sub); line-height: 1.8; }
.section-center { text-align: center; margin-left: auto; margin-right: auto; }

/* Service Cards */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--color-card); border-radius: var(--radius-lg); border: 1px solid var(--color-border);
  padding: 28px; box-shadow: var(--shadow); transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  opacity: 0; transition: var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(109, 40, 217, .2); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px; transition: var(--transition);
}
.service-icon svg { width: 24px; height: 24px; fill: #fff; }
.service-card:hover .service-icon { transform: scale(1.05); }
.service-card h3 { font-size: 19px; font-weight: 600; color: var(--color-text); margin-bottom: 10px; letter-spacing: -0.01em; }
.service-card p { font-size: 14px; color: var(--color-text-sub); line-height: 1.75; margin-bottom: 16px; }
.service-link { font-size: 14px; font-weight: 500; color: var(--color-primary); display: inline-flex; align-items: center; gap: 4px; }
.service-link:hover { color: var(--color-accent); }
.service-link svg { width: 14px; height: 14px; fill: currentColor; transition: transform .3s; }
.service-link:hover svg { transform: translateX(4px); }

/* Process */
.process-section {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 100%);
  position: relative; overflow: hidden; padding: 80px 0;
}
.process-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.process-section .section-head h2 { color: #fff; }
.process-section .section-head p { color: var(--color-text-faint); }
.process-section .section-head .eyebrow { background: rgba(0, 229, 204, .15); color: var(--color-accent); }
.process-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; z-index: 2; }
.process-step { text-align: center; padding: 32px 24px; background: rgba(255, 255, 255, .05); border-radius: var(--radius-lg); border: 1px solid rgba(255, 255, 255, .08); position: relative; transition: var(--transition); }
.process-step:hover { background: rgba(255, 255, 255, .09); border-color: rgba(0, 229, 204, .3); transform: translateY(-3px); }
.step-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff; font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 18px;
  box-shadow: 0 0 24px rgba(0, 229, 204, .25);
}
.step-badge {
  position: absolute; top: 14px; right: 14px;
  background: var(--color-pulse); color: #fff; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 20px; letter-spacing: .02em;
}
.process-step h3 { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.process-step p { color: var(--color-text-faint); font-size: 14px; line-height: 1.7; }

/* Scenes */
.scene-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; gap: 24px; }
.scene-main {
  grid-row: span 2; border-radius: var(--radius-lg); overflow: hidden; position: relative;
  min-height: 380px; box-shadow: var(--shadow); transition: var(--transition);
}
.scene-main:hover { box-shadow: var(--shadow-hover); }
.scene-main img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.scene-main:hover img { transform: scale(1.03); }
.scene-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(27, 15, 43, .82) 0%, rgba(27, 15, 43, .35) 45%, rgba(27, 15, 43, 0) 100%); display: flex; align-items: flex-end; padding: 28px; }
.scene-overlay .scene-tag { font-size: 12px; font-weight: 600; color: var(--color-accent); background: rgba(0, 229, 204, .15); padding: 3px 10px; border-radius: 20px; display: inline-block; margin-bottom: 8px; }
.scene-overlay h3 { color: #fff; font-size: 22px; font-weight: 600; margin-bottom: 6px; }
.scene-overlay p { color: var(--color-text-faint); font-size: 14px; line-height: 1.6; max-width: 360px; }
.scene-side {
  display: flex; flex-direction: row; gap: 0; background: var(--color-card); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition);
}
.scene-side:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.scene-side img { width: 45%; object-fit: cover; min-height: 150px; }
.scene-side-content { padding: 20px 18px; display: flex; flex-direction: column; justify-content: center; }
.scene-side-content h4 { font-size: 17px; font-weight: 600; color: var(--color-text); margin-bottom: 6px; }
.scene-side-content p { font-size: 13px; color: var(--color-text-sub); line-height: 1.65; }

/* Stats */
.stats-band {
  background: linear-gradient(135deg, rgba(109, 40, 217, .08), rgba(0, 229, 204, .06));
  border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border);
  padding: 56px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item { position: relative; }
.stat-item:not(:last-child)::after { content: ''; position: absolute; right: -12px; top: 15%; height: 70%; width: 1px; background: rgba(109, 40, 217, .12); }
.stat-num { font-size: 46px; font-weight: 700; color: var(--color-primary); font-family: "Inter", "DIN Alternate", var(--font-base); letter-spacing: -0.02em; line-height: 1.2; }
.stat-num em { font-style: normal; color: var(--color-accent); }
.stat-label { font-size: 14px; color: var(--color-text-sub); margin-top: 6px; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
.faq-left .faq-title { font-size: 28px; font-weight: 700; color: var(--color-text); margin-bottom: 12px; letter-spacing: -0.01em; }
.faq-left p { font-size: 15px; color: var(--color-text-sub); line-height: 1.8; margin-bottom: 20px; }
.faq-contact-card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 24px; box-shadow: var(--shadow);
}
.faq-contact-card h5 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.faq-contact-card p { font-size: 13px; color: var(--color-text-sub); margin-bottom: 12px; }
.faq-contact-card .btn-sm {
  display: inline-block; background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff; font-size: 13px; font-weight: 600; padding: 8px 18px; border-radius: 6px;
}
.faq-contact-card .btn-sm:hover { filter: brightness(1.08); box-shadow: 0 4px 14px rgba(0, 229, 204, .25); }
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); background: var(--color-card); padding: 0; border-radius: 0; transition: var(--transition); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 20px 4px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--color-text);
  transition: var(--transition);
}
.faq-q:hover { color: var(--color-primary); }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(109, 40, 217, .08); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: var(--transition); position: relative; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }
.faq-icon::before { width: 12px; height: 2px; }
.faq-icon::after { width: 2px; height: 12px; }
.faq-item.open .faq-icon { background: var(--color-primary); }
.faq-item.open .faq-icon::before, .faq-item.open .faq-icon::after { background: #fff; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a-inner { padding: 0 4px 20px; font-size: 14px; color: var(--color-text-sub); line-height: 1.8; }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 100%);
  padding: 72px 0; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -80px; left: 20%; width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(0, 229, 204, .18) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section::after {
  content: ''; position: absolute; bottom: -60px; right: 15%; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255, 61, 154, .16) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 620px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 26px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
.cta-inner p { color: var(--color-text-faint); font-size: 15px; line-height: 1.8; margin-bottom: 28px; }
.cta-form { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-form input {
  flex: 1; min-width: 240px; height: 44px; border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .1);
  color: #fff; padding: 0 18px; font-size: 14px; transition: var(--transition);
}
.cta-form input::placeholder { color: rgba(255, 255, 255, .55); }
.cta-form input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(0, 229, 204, .18); background: rgba(255, 255, 255, .15); }
.cta-form button {
  height: 44px; padding: 0 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition);
  white-space: nowrap;
}
.cta-form button:hover { filter: brightness(1.08); box-shadow: 0 6px 20px rgba(0, 229, 204, .3); transform: translateY(-1px); }
.cta-form button:active { transform: translateY(0); }
.privacy-note { color: rgba(255, 255, 255, .45); font-size: 12px; margin-top: 16px; }

/* Footer */
.site-footer { background: linear-gradient(135deg, #150B22 0%, #2A1745 100%); color: rgba(255, 255, 255, .7); padding: 60px 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand .logo-text { color: #fff; margin-bottom: 16px; }
.footer-brand .logo-text span { color: var(--color-accent); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .55); margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px; background: rgba(255, 255, 255, .08);
  display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.footer-social a:hover { background: rgba(0, 229, 204, .2); border-color: rgba(0, 229, 204, .3); }
.footer-social svg { width: 18px; height: 18px; fill: rgba(255, 255, 255, .6); transition: var(--transition); }
.footer-social a:hover svg { fill: var(--color-accent); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255, 255, 255, .55); }
.footer-col ul li a:hover { color: var(--color-accent); }
.contact-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .55); }
.contact-list svg { width: 16px; height: 16px; fill: rgba(255, 255, 255, .4); flex-shrink: 0; }
.footer-bottom { 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, .4); }
.footer-bottom a { color: rgba(255, 255, 255, .4); }
.footer-bottom a:hover { color: var(--color-accent); }
.footer-bottom .sep { margin: 0 6px; color: rgba(255, 255, 255, .2); }

/* Responsive */
@media (max-width: 1199px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .scene-main { min-height: 320px; }
}
@media (max-width: 991px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-flow { gap: 20px; }
  .scene-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .scene-main { grid-row: auto; min-height: 280px; }
  .scene-side { flex-direction: row; }
  .scene-side img { width: 40%; }
  .faq-wrap { grid-template-columns: 1fr; gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .stat-item::after { display: none; }
  .header-search { display: none; }
  .search-box { display: none; }
}
@media (max-width: 767px) {
  .main-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff;
    flex-direction: column; padding: 12px 20px 20px; border-bottom: 1px solid #ECECF0;
    box-shadow: 0 8px 24px rgba(31, 20, 45, .08);
  }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; padding: 12px 10px; border-bottom: 1px solid #F2F1F6; }
  .nav-link.active::after { display: none; }
  .hamburger { display: flex; }
  .service-grid { grid-template-columns: 1fr; }
  .process-flow { grid-template-columns: 1fr; }
  .scene-side { flex-direction: column; }
  .scene-side img { width: 100%; min-height: 160px; }
  .scene-side-content { padding: 18px; }
  .cta-form { flex-direction: column; }
  .cta-form input { width: 100%; min-width: auto; }
  .cta-form button { width: 100%; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-hero { padding: 40px 0 48px; }
  .page-hero h1 { font-size: 28px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 34px; }
  .header-actions .btn-header { display: none; }
  .header-actions .btn-header.mobile-show { display: inline-block; padding: 0 14px; font-size: 13px; }
}
@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { gap: 24px; }
  .faq-q { font-size: 15px; }
}