/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: #2e3638; line-height: 1.6; background: #fff; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== SR Only (accessibility) ========== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ========== WOW scroll animation ========== */
.wow-target { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.wow-target.visible { opacity: 1; transform: translateY(0); }

/* ========== Header ========== */
.header { position: fixed; top: 0; left: 0; width: 100%; height: 70px; z-index: 1000; transition: background 0.3s, box-shadow 0.3s; }
.header.scrolled { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.header-inner { max-width: 1440px; margin: 0 auto; height: 100%; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; }
.header-left { display: flex; align-items: center; gap: 28px; }
.logo-link { display: flex; align-items: center; }
.logo { height: 28px; transition: filter 0.3s; }
/* 浅色banner时logo需要深色 */
.header.light-theme .logo { filter: brightness(0.2); }

/* Nav */
.nav-list { display: flex; align-items: center; gap: 0; }
.nav-item { position: relative; padding: 0 14px; height: 70px; display: flex; align-items: center; cursor: pointer; }
.nav-text { font-size: 14px; color: #fff; transition: color 0.3s; display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.header.scrolled .nav-text { color: #2e3638; }
/* 关键: 浅色banner时导航文字变深色 */
.header.light-theme .nav-text { color: #2e3638; }
.header.light-theme.scrolled .nav-text { color: #2e3638; }
.arrow-icon { transition: transform 0.3s, color 0.3s; }
.nav-item:hover .arrow-icon { transform: rotate(180deg); }
.nav-link { cursor: pointer; }

/* NEW Badge SVG */
.new-badge-svg { flex-shrink: 0; vertical-align: middle; }
.nav-text-new { position: relative; }
.nav-text-new .new-badge-svg { position: absolute; top: -12px; right: -8px; }

/* ToClaw Nav */
.nav-toclaw .toclaw-link { display: flex; align-items: center; gap: 6px; position: relative; }
.nav-toclaw .new-badge-svg { position: absolute; top: -12px; right: -8px; }
.toclaw-tooltip { position: absolute; left: 50%; bottom: -36px; transform: translateX(-50%); background: rgba(0,0,0,0.75); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 6px; white-space: nowrap; opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; pointer-events: none; }
.nav-toclaw:hover .toclaw-tooltip { opacity: 1; visibility: visible; }

/* Login NEW badge */
.login-btn { position: relative; }
.login-new { position: absolute; top: -6px; left: -8px; }

/* About dropdown */
.dropdown-about { width: 320px; }

/* Dropdown - Full width panel */
.dropdown-panel { position: fixed; top: 70px; left: 0; right: 0; width: 100vw; background: #fff; box-shadow: 0 14px 40px -4px rgba(31,35,41,0.12); opacity: 0; visibility: hidden; transition: opacity 0.25s, visibility 0.25s; pointer-events: none; z-index: 100; border-radius: 0; transform: none; }
.nav-item.has-dropdown:hover .dropdown-panel { opacity: 1; visibility: visible; pointer-events: auto; }
.dropdown-inner { max-width: 1200px; margin: 0 auto; padding: 32px 40px; }

/* Product dropdown */
.dropdown-product .dropdown-inner { display: flex; gap: 0; padding: 0; }
.dp-left-tabs { width: 160px; padding: 32px 0; border-right: 1px solid #f0f0f0; display: flex; flex-direction: column; gap: 4px; }
.dp-tab { padding: 12px 32px; font-size: 15px; color: #666; cursor: pointer; border-radius: 0; transition: all 0.2s; border-left: 3px solid transparent; }
.dp-tab:hover, .dp-tab.active { color: #0070ff; background: #f0f7ff; border-left-color: #0070ff; }
.dp-right-content { flex: 1; padding: 32px 40px; display: flex; gap: 40px; }
.dp-section { flex: 1; }
.dp-divider { width: 1px; background: #f0f0f0; }
.dp-group { margin-bottom: 24px; }
.dp-group-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; font-size: 14px; color: #999; }
.dp-group-title a { color: #0070ff; font-size: 13px; }
.dp-items { display: flex; flex-direction: column; gap: 4px; }
.dp-items-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.dp-item { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 10px; transition: background 0.2s; }
.dp-item:hover { background: #f5f7fa; }
.dp-item img { width: 40px; height: 40px; }
.dp-item-name { font-size: 14px; font-weight: 500; color: #2e3638; }
.dp-item-desc { font-size: 12px; color: #999; margin-top: 3px; }

/* Features dropdown */
.df-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.df-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 14px; border-radius: 10px; transition: background 0.2s; }
.df-item:hover { background: #f5f7fa; }
.df-item img { width: 40px; height: 40px; flex-shrink: 0; }
.df-item-name { font-size: 14px; font-weight: 500; }
.df-item-desc { font-size: 12px; color: #999; margin-top: 3px; line-height: 1.5; }
.df-all-btn { display: block; text-align: center; padding: 14px; margin-top: 16px; color: #0070ff; font-size: 14px; border: 1px solid #e8eaed; border-radius: 10px; transition: all 0.2s; }
.df-all-btn:hover { background: #f5f7fa; border-color: #0070ff; }

/* Solution dropdown */
.ds-grid { display: flex; flex-direction: column; gap: 8px; }
.ds-item { display: flex; align-items: center; gap: 16px; padding: 14px; border-radius: 10px; transition: background 0.2s; }
.ds-item:hover { background: #f5f7fa; }
.ds-icon { font-size: 24px; width: 44px; height: 44px; background: #f0f7ff; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.ds-name { font-size: 14px; font-weight: 500; }
.ds-desc { font-size: 12px; color: #999; margin-top: 2px; }

/* Download dropdown */
.dd-list { display: flex; flex-direction: column; gap: 4px; }
.dd-item { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 10px; transition: background 0.2s; }
.dd-item:hover { background: #f5f7fa; }
.dd-item img { width: 40px; height: 40px; }
.dd-name { font-size: 14px; font-weight: 500; }
.dd-desc { font-size: 12px; color: #999; margin-top: 3px; }

/* Help dropdown */
.dh-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.dh-item { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 10px; transition: background 0.2s; }
.dh-item:hover { background: #f5f7fa; }
.dh-item img { width: 40px; height: 40px; }
.dh-name { font-size: 14px; font-weight: 500; }
.dh-desc { font-size: 12px; color: #999; margin-top: 3px; }

/* About dropdown */
.dropdown-about .dropdown-inner { max-width: 400px; margin: 0; padding: 24px 32px; }

/* Login */
.header-right { display: flex; align-items: center; gap: 16px; }
.login-box { position: relative; cursor: pointer; }
.login-btn { font-size: 14px; color: #fff; transition: color 0.3s; padding: 8px 16px; }
.header.scrolled .login-btn { color: #2e3638; }
.header.light-theme .login-btn { color: #2e3638; }
.login-dropdown { position: absolute; top: 44px; right: 0; background: #fff; border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); padding: 8px; min-width: 180px; opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; }
.login-box:hover .login-dropdown { opacity: 1; visibility: visible; }
.login-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 8px; font-size: 14px; transition: background 0.2s; }
.login-item:hover { background: #f5f7fa; }
.login-item img { width: 20px; height: 20px; }
.trial-btn { background: #2e3638; color: #fff; font-size: 13px; padding: 8px 20px; border-radius: 8px; transition: all 0.3s; white-space: nowrap; border: 1px solid #2e3638; font-weight: 500; }
.trial-btn:hover { background: #1a1e22; border-color: #1a1e22; }
.header.scrolled .trial-btn { background: #0070ff; color: #fff; border-color: #0070ff; }
.header.scrolled .trial-btn:hover { background: #005ad4; border-color: #005ad4; }
.header.light-theme .trial-btn { background: #2e3638; color: #fff; border-color: #2e3638; }
.header.light-theme .trial-btn:hover { background: #1a1e22; border-color: #1a1e22; }

/* ========== Hero Banner ========== */
.hero-banner { position: relative; width: 100%; height: 720px; overflow: hidden; margin-top: 0; }
.hero-bg-list { position: absolute; inset: 0; }
.hero-bg-item { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; }
.hero-bg-item.active { opacity: 1; }
.hero-bg-item img { width: 100%; height: 100%; object-fit: cover; }
.hero-content { position: absolute; left: 0; bottom: 80px; width: 100%; padding: 0 calc((100% - 1200px) / 2); z-index: 2; }
.hero-info { display: none; }
.hero-info.active { display: block; animation: fadeInUp 0.6s ease; }
.hero-title-img { max-width: 480px; height: auto; margin-bottom: 16px; }
.hero-text { font-size: 14px; color: rgba(255,255,255,0.7); max-width: 460px; line-height: 1.8; }
/* 浅色banner时文字变深色 */
.hero-banner.light-banner .hero-text { color: rgba(0,0,0,0.6); }
.hero-btns { display: flex; gap: 14px; margin-top: 28px; }
.hero-btn { padding: 12px 32px; border-radius: 24px; font-size: 15px; font-weight: 500; transition: all 0.3s; border: none; cursor: pointer; }
.hero-btn-primary { background: #0070ff; color: #fff; }
.hero-btn-primary:hover { background: #005ad4; }
.hero-btn-secondary { background: rgba(255,255,255,0.12); color: #fff; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.3); }
.hero-btn-secondary:hover { background: rgba(255,255,255,0.25); }
/* 浅色banner按钮 */
.hero-banner.light-banner .hero-btn-primary { background: #2e3638; color: #fff; }
.hero-banner.light-banner .hero-btn-primary:hover { background: #1a1e22; }
.hero-banner.light-banner .hero-btn-secondary { background: transparent; color: #2e3638; border: 1px solid rgba(0,0,0,0.25); backdrop-filter: none; }
.hero-banner.light-banner .hero-btn-secondary:hover { background: rgba(0,0,0,0.05); }

/* Hero indicators - 带图标和文字的版本 */
.hero-indicators { display: flex; gap: 24px; margin-top: 36px; align-items: center; }
.indicator-item { display: flex; align-items: center; gap: 10px; cursor: pointer; opacity: 0.45; transition: opacity 0.3s; position: relative; padding-bottom: 8px; }
.indicator-item.active { opacity: 1; }
.indicator-icon { width: 22px; height: 22px; flex-shrink: 0; }
.indicator-icon img { width: 100%; height: 100%; }
.indicator-label { font-size: 15px; color: #fff; font-weight: 500; white-space: nowrap; }
.hero-banner.light-banner .indicator-label { color: #2e3638; }
.indicator-bar { position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: rgba(255,255,255,0.15); border-radius: 2px; overflow: hidden; }
.hero-banner.light-banner .indicator-bar { background: rgba(0,0,0,0.08); }
.indicator-progress { height: 100%; width: 0; background: #fff; border-radius: 2px; transition: width 0.1s linear; }
.hero-banner.light-banner .indicator-progress { background: #804D24; }

/* ========== Hero Footnote ========== */
.hero-footnote { background: #f7f8fa; padding: 16px 0 8px; }
.hero-footnote p { font-size: 12px; color: #bbb; text-align: center; }

/* ========== Logo Marquee ========== */
.logo-marquee-section { padding: 32px 0; background: #fff; overflow: hidden; }
.logo-marquee-wrap { position: relative; width: 100%; overflow: hidden; mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%); -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%); }
.logo-marquee-track { display: flex; gap: 60px; align-items: center; white-space: nowrap; animation: marqueeScroll 30s linear infinite; width: max-content; }
.marquee-logo { flex-shrink: 0; height: auto; object-fit: contain; }
@keyframes marqueeScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ========== Product Cards ========== */
.product-cards { padding: 0 0 20px; background: #f7f8fa; }
.pc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pc-item { background: #fff; border-radius: 12px; overflow: hidden; transition: transform 0.3s, box-shadow 0.3s; }
.pc-item:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.pc-top { padding: 20px; display: flex; align-items: center; gap: 8px; position: relative; }
.pc-name { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.pc-tag { font-size: 11px; font-weight: 400; padding: 2px 8px; border-radius: 4px; }
.pc-tag-purple { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.pc-tag-blue { background: rgba(0,112,255,0.1); color: #0070ff; }
.pc-arrow { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); }
.pc-bottom { padding: 12px 20px; font-size: 13px; color: #999; border-top: 1px solid #f0f0f0; }

/* ========== Stats ========== */
.stats-section { padding: 56px 0 48px; background: #f7f8fa; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.stat-number { font-size: 16px; color: #2e3638; margin-bottom: 8px; display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.stat-highlight { font-size: 48px; font-weight: 700; color: #1a1e26; line-height: 1.2; }
.stat-label { font-size: 14px; color: #999; }

/* ========== Tech Section ========== */
.tech-section { padding: 80px 0 60px; background: #fff; }
.section-title { font-size: 32px; font-weight: 600; text-align: center; margin-bottom: 40px; line-height: 1.5; }
.title-highlight { color: #0070ff; }
.tech-image { margin-bottom: 32px; border-radius: 12px; overflow: hidden; }
.tech-image img { width: 100%; }
.tech-desc { text-align: center; margin-bottom: 40px; font-size: 16px; }
.tech-bold { font-weight: 600; }
.tech-light { color: #666; }
.tech-data { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tech-data-item { background: #f7f8fa; border-radius: 12px; padding: 24px; text-align: center; position: relative; overflow: hidden; }
.td-name { font-size: 14px; color: #666; margin-bottom: 12px; }
.td-value { display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.td-num { font-size: 42px; font-weight: 700; color: #0070ff; }
.td-unit { font-size: 18px; color: #0070ff; font-weight: 500; }
.td-icon { position: absolute; right: 8px; bottom: 8px; width: 40px; opacity: 0.6; }

/* ========== Core Tech Tabs ========== */
.core-tech { padding: 80px 0; background: #f7f8fa; }
.ct-tabs { display: flex; justify-content: center; gap: 0; background: #e8eaed; border-radius: 12px; padding: 4px; position: relative; margin-bottom: 48px; max-width: 560px; margin-left: auto; margin-right: auto; }
.ct-tab { flex: 1; text-align: center; padding: 12px 24px; font-size: 15px; color: #666; cursor: pointer; border-radius: 10px; position: relative; z-index: 1; transition: color 0.3s; white-space: nowrap; }
.ct-tab.active { color: #2e3638; font-weight: 600; }
.ct-tab-bg { position: absolute; top: 4px; left: 4px; height: calc(100% - 8px); background: #fff; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); transition: left 0.35s ease, width 0.35s ease; z-index: 0; }

/* CT Content */
.ct-content { position: relative; }
.ct-panel { display: none; }
.ct-panel.active { display: flex; gap: 48px; align-items: flex-start; animation: fadeIn 0.5s ease; }
.ct-left { flex: 1; }
.ct-right { flex: 1; }
.ct-right img { border-radius: 16px; width: 100%; }
.ct-subtitle { font-size: 14px; color: #0070ff; margin-bottom: 8px; font-weight: 500; }
.ct-title2 { font-size: 24px; font-weight: 600; margin-bottom: 28px; }
.ct-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.ct-feature { display: flex; gap: 16px; padding: 18px 20px; border-radius: 12px; transition: all 0.3s; opacity: 0.5; cursor: pointer; }
.ct-feature.active { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.06); opacity: 1; }
.ct-feat-icon { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.ct-feat-icon-1 { background: linear-gradient(135deg, #e8f0fe, #d4e4ff); }
.ct-feat-icon-2 { background: linear-gradient(135deg, #e8f8f0, #d4f0e4); }
.ct-feat-icon-3 { background: linear-gradient(135deg, #f0e8fe, #e4d4f0); }
.ct-feat-p1 { font-size: 15px; font-weight: 500; margin-bottom: 4px; color: #2e3638; }
.ct-feat-p2 { font-size: 13px; color: #999; line-height: 1.6; }
.ct-feature:not(.active) .ct-feat-p2 { display: none; }
.ct-btn { display: inline-block; padding: 14px 48px; background: #0070ff; color: #fff; border-radius: 24px; font-size: 15px; font-weight: 500; transition: background 0.3s; }
.ct-btn:hover { background: #005ad4; }

/* ========== Compatible ========== */
.compatible-section { padding: 80px 0; background: #0a0e14; color: #fff; overflow: hidden; }
.comp-header { text-align: center; margin-bottom: 48px; }
.comp-title1 { font-size: 36px; font-weight: 300; margin-bottom: 4px; }
.comp-title2 { font-size: 36px; font-weight: 700; }
.terminal-list { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; margin-bottom: 60px; }
.terminal-item { text-align: center; }
.terminal-img { height: 120px; display: flex; align-items: flex-end; justify-content: center; margin-bottom: 12px; }
.terminal-img img { max-height: 100%; }
.terminal-item p { font-size: 13px; color: rgba(255,255,255,0.7); }

/* Peripheral */
.peripheral-section { position: relative; padding-top: 60px; }
.peripheral-bar { width: 100%; height: 2px; background: linear-gradient(90deg, #0012D3, #BC3B87, #FD6201, #23BB79, #019CFD); opacity: 0.4; margin-bottom: 40px; }
.peripheral-title { text-align: center; font-size: 28px; font-weight: 600; margin-bottom: 20px; }
.peripheral-tabs { display: flex; justify-content: center; gap: 4px; margin-bottom: 40px; font-size: 15px; color: rgba(255,255,255,0.5); }
.pt-tab { cursor: pointer; transition: color 0.3s; }
.pt-tab.active { color: #fff; }
.pt-sep { color: rgba(255,255,255,0.3); }
.peripheral-carousel { position: relative; max-width: 900px; margin: 0 auto; }
.carousel-track { display: flex; align-items: center; justify-content: center; gap: 20px; perspective: 1000px; }
.carousel-item { border-radius: 12px; overflow: hidden; position: relative; transition: all 0.5s ease; flex-shrink: 0; }
.carousel-item.center { width: 480px; z-index: 2; }
.carousel-item.left1, .carousel-item.right1 { width: 220px; z-index: 1; }
.carousel-mask { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.carousel-item img { width: 100%; border-radius: 12px; }

/* ========== Enterprise ========== */
.enterprise-section { padding: 80px 0; background: #f7f8fa; position: relative; overflow: hidden; }
.section-subtitle { text-align: center; font-size: 16px; color: #666; margin-top: -28px; margin-bottom: 40px; }
.ep-tabs { display: flex; justify-content: center; gap: 16px; margin-bottom: 40px; }
.ep-tab { position: relative; padding: 14px 28px; border-radius: 10px; cursor: pointer; font-size: 15px; color: #666; background: #fff; border: 1px solid #e8eaed; transition: all 0.3s; overflow: hidden; }
.ep-tab.active { color: #0070ff; border-color: #0070ff; font-weight: 600; }
.ep-tab .ep-tab-bg { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,112,255,0.05), rgba(0,214,225,0.05)); opacity: 0; transition: opacity 0.3s; }
.ep-tab.active .ep-tab-bg { opacity: 1; }
.ep-tab p { position: relative; z-index: 1; }

/* EP Content */
.ep-panel { display: none; }
.ep-panel.active { display: flex; gap: 48px; align-items: flex-start; animation: fadeIn 0.5s ease; }
.ep-text { flex: 1; }
.ep-text h3 { font-size: 28px; font-weight: 600; line-height: 1.4; }
.ep-details { margin-top: 28px; margin-bottom: 28px; }
.ep-detail { padding: 16px 0; border-bottom: 1px solid #f0f0f0; }
.ep-dt-title { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.ep-dt-text { font-size: 13px; color: #666; line-height: 1.8; }
.ep-btn { display: inline-block; padding: 12px 36px; background: #0070ff; color: #fff; border-radius: 8px; font-size: 15px; transition: background 0.3s; }
.ep-btn:hover { background: #005ad4; }
.ep-media { flex: 1; border-radius: 16px; overflow: hidden; }
.ep-media img { width: 100%; border-radius: 16px; }

/* ========== Solutions ========== */
.solutions-section { padding: 80px 0; background: #fff; }
.sol-grid { display: flex; gap: 12px; min-height: 420px; }
.sol-item { position: relative; border-radius: 16px; overflow: hidden; transition: flex 0.5s ease; cursor: pointer; }
.sol-item.active { flex: 3; }
.sol-item:not(.active) { flex: 1; }
.sol-expanded { display: none; height: 100%; background: linear-gradient(135deg, #0a1628, #1a2d50); padding: 40px; color: #fff; }
.sol-item.active .sol-expanded { display: block; }
.sol-item.active .sol-collapsed { display: none; }
.sol-collapsed { height: 100%; min-height: 420px; background-size: cover; background-position: center; display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; color: #fff; }
.sol-col-title { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.sol-col-desc { font-size: 13px; opacity: 0.8; }
.sol-exp-title { font-size: 22px; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.sol-exp-title img { height: 24px; }
.sol-exp-desc { font-size: 14px; opacity: 0.8; margin-bottom: 24px; }
.sol-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.sol-feat { font-size: 13px; line-height: 1.7; opacity: 0.9; display: flex; align-items: flex-start; gap: 8px; }
.sol-check { color: #36BA78; font-weight: 700; flex-shrink: 0; }
.sol-btns { display: flex; gap: 12px; }
.sol-btn { padding: 10px 24px; border-radius: 8px; font-size: 14px; transition: all 0.3s; }
.sol-btn-primary { background: #0070ff; color: #fff; }
.sol-btn-primary:hover { background: #005ad4; }
.sol-btn-secondary { border: 1px solid rgba(255,255,255,0.3); color: #fff; }
.sol-btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* ========== Customers Carousel ========== */
.customers-section { padding: 80px 0; background: #f7f8fa; }
.cust-carousel { position: relative; overflow: hidden; border-radius: 16px; }
.cust-track { display: flex; transition: transform 0.5s ease; }
.cust-slide { min-width: 100%; }
.cust-slide img { width: 100%; border-radius: 16px; }
.cust-prev, .cust-next { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.9); border: 1px solid #e8eaed; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; color: #666; transition: all 0.3s; z-index: 2; }
.cust-prev:hover, .cust-next:hover { background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.cust-prev { left: 16px; }
.cust-next { right: 16px; }
.cust-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.cust-dot { width: 8px; height: 8px; border-radius: 50%; background: #d0d2d6; cursor: pointer; transition: all 0.3s; }
.cust-dot.active { background: #0070ff; width: 24px; border-radius: 4px; }

/* ========== Certificates ========== */
.cert-section { padding: 60px 0 80px; background: #f7f8fa; }
.cert-grid { display: flex; flex-direction: column; gap: 24px; }
.cert-row { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.cert-item { text-align: center; width: 120px; }
.cert-item img { width: 80px; height: 80px; margin: 0 auto 8px; object-fit: contain; }
.cert-item p { font-size: 11px; color: #666; line-height: 1.4; }

/* ========== CTA ========== */
.cta-section { padding: 80px 0; background: linear-gradient(135deg, #1a8cff 0%, #4da6ff 50%, #1a8cff 100%); color: #fff; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.15) 0%, transparent 60%), radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.1) 0%, transparent 50%); }
.cta-content { text-align: center; position: relative; z-index: 1; }
.cta-title { font-size: 40px; font-weight: 700; margin-bottom: 16px; }
.cta-num { font-size: 48px; font-weight: 700; color: #fff; margin: 0 2px; }
.cta-desc { font-size: 16px; color: rgba(255,255,255,0.75); margin-bottom: 40px; }
.cta-btns { display: flex; justify-content: center; gap: 20px; }
.cta-btn { padding: 16px 56px; border-radius: 12px; font-size: 16px; font-weight: 500; transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px; }
.cta-btn-buy { background: #fff; color: #0070ff; }
.cta-btn-buy:hover { background: rgba(255,255,255,0.9); }
.cta-btn-download { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); backdrop-filter: blur(4px); }
.cta-btn-download:hover { background: rgba(255,255,255,0.25); }

/* ========== EP CTA ========== */
.ep-cta-section { position: relative; padding: 100px 0; overflow: hidden; min-height: 400px; }
.ep-cta-bg { position: absolute; inset: 0; }
.ep-cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.ep-cta-content { position: relative; z-index: 1; text-align: left; max-width: 560px; }
.ep-cta-title { font-size: 34px; font-weight: 600; margin-bottom: 14px; line-height: 1.4; }
.ep-cta-sub { font-size: 16px; color: #666; margin-bottom: 36px; }
.ep-cta-btn { display: inline-block; padding: 16px 56px; background: #0070ff; color: #fff; border-radius: 28px; font-size: 16px; font-weight: 500; transition: background 0.3s; }
.ep-cta-btn:hover { background: #005ad4; }

/* ========== Float Service ========== */
.float-service { position: fixed; right: 24px; bottom: 24px; z-index: 999; }
.fs-box { background: #fff; border-radius: 28px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.fs-item { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #616369; transition: all 0.3s; position: relative; cursor: pointer; }
.fs-item:hover { background: #f5f7fa; color: #0070ff; }
.fs-item img { width: 22px; height: 22px; }
.fs-item::before { content: attr(data-tooltip); position: absolute; right: 56px; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.75); color: #fff; padding: 6px 14px; border-radius: 6px; font-size: 12px; white-space: nowrap; opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; pointer-events: none; }
.fs-item:hover::before { opacity: 1; visibility: visible; }
.fs-top { width: 42px; height: 42px; border-radius: 50%; background: #fff; box-shadow: 0 4px 20px rgba(0,0,0,0.1); display: flex; align-items: center; justify-content: center; color: #616369; cursor: pointer; margin-top: 8px; transition: all 0.3s; opacity: 0; pointer-events: none; }
.fs-top.visible { opacity: 1; pointer-events: auto; }
.fs-top:hover { color: #0070ff; }

/* ========== Footer ========== */
.footer { background: #1a1e26; color: #fff; padding: 60px 0 30px; }
.ft-main { display: flex; gap: 60px; margin-bottom: 40px; }
.ft-brand { flex-shrink: 0; }
.ft-logo { height: 28px; margin-bottom: 12px; filter: brightness(0) invert(1); }
.ft-slogan { font-size: 13px; color: rgba(255,255,255,0.5); }
.ft-navs { display: flex; flex: 1; justify-content: space-between; }
.ft-nav-col { display: flex; flex-direction: column; gap: 10px; }
.ft-nav-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; color: rgba(255,255,255,0.9); }
.ft-nav-col a { font-size: 13px; color: rgba(255,255,255,0.5); transition: color 0.3s; }
.ft-nav-col a:hover { color: #fff; }
.ft-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; }
.ft-copyright { font-size: 12px; color: rgba(255,255,255,0.3); text-align: center; }

/* ========== Animations ========== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes progressBar { from { width: 0; } to { width: 100%; } }

/* ========== Responsive ========== */
@media (max-width: 1200px) {
  .hero-content { padding: 0 40px; }
  .sol-grid { flex-direction: column; }
  .sol-item, .sol-item.active { flex: auto; }
  .sol-collapsed { min-height: 160px; }
}
@media (max-width: 768px) {
  .header-inner { padding: 0 16px; }
  .nav-list { display: none; }
  .hero-banner { height: 480px; }
  .hero-content { padding: 0 20px; bottom: 40px; }
  .hero-title-img { max-width: 280px; }
  .pc-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
  .tech-data { grid-template-columns: repeat(2, 1fr); }
  .ct-panel.active { flex-direction: column; }
  .terminal-list { grid-template-columns: repeat(3, 1fr); }
  .ep-panel.active { flex-direction: column; }
  .section-title { font-size: 24px; }
  .ft-main { flex-direction: column; }
  .ft-navs { flex-wrap: wrap; gap: 24px; }
}