/* ===================================
   开云体育官网 - 主样式文件
   kaiyun.com
   =================================== */

/* --- CSS Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; color: #1a1a2e; background: #fff; line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* --- CSS Variables --- */
:root {
  --primary: #0a3d8f;
  --primary-dark: #072d6b;
  --accent: #e8a020;
  --accent-dark: #c8881a;
  --text-dark: #1a1a2e;
  --text-gray: #555;
  --text-light: #888;
  --bg-light: #f5f7fa;
  --bg-dark: #0d1b3e;
  --border: #e0e6f0;
  --white: #fff;
  --shadow: 0 4px 20px rgba(10,61,143,0.12);
  --shadow-hover: 0 8px 32px rgba(10,61,143,0.22);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: 0.3s ease;
}

/* --- Container --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }

/* --- Section Title --- */
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.section-title h2 span { color: var(--accent); }
.section-title p { color: var(--text-gray); font-size: 1rem; max-width: 600px; margin: 0 auto; }
.section-title .divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); margin: 16px auto 0; border-radius: 2px; }

/* ===================================
   HEADER / NAVIGATION
   =================================== */
#header { position: sticky; top: 0; z-index: 1000; background: var(--white); box-shadow: 0 2px 12px rgba(10,61,143,0.10); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.3rem; font-weight: 900; letter-spacing: -1px; }
.logo span { color: var(--accent); }

/* Nav */
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a { padding: 8px 14px; border-radius: 6px; font-size: 0.95rem; font-weight: 500; color: var(--text-dark); transition: all var(--transition); }
.nav-menu a:hover, .nav-menu a.active { background: var(--primary); color: var(--white); }
.nav-cta { background: var(--accent) !important; color: var(--white) !important; font-weight: 700 !important; }
.nav-cta:hover { background: var(--accent-dark) !important; }

/* Mobile Nav Toggle */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: all var(--transition); }

/* Search Bar */
.search-bar-wrap { background: var(--bg-light); border-bottom: 1px solid var(--border); padding: 10px 0; }
.search-bar-inner { display: flex; align-items: center; gap: 10px; max-width: 700px; margin: 0 auto; padding: 0 20px; }
.search-bar-inner input { flex: 1; padding: 10px 18px; border: 2px solid var(--border); border-radius: 30px; font-size: 0.95rem; outline: none; transition: border-color var(--transition); background: #fff; }
.search-bar-inner input:focus { border-color: var(--primary); }
.search-bar-inner button { padding: 10px 24px; background: var(--primary); color: #fff; border: none; border-radius: 30px; font-size: 0.95rem; cursor: pointer; font-weight: 600; transition: background var(--transition); white-space: nowrap; }
.search-bar-inner button:hover { background: var(--primary-dark); }
.search-hint { font-size: 0.82rem; color: var(--text-light); white-space: nowrap; }

/* ===================================
   HERO BANNER / SLIDER
   =================================== */
.hero-slider { position: relative; overflow: hidden; height: 580px; background: var(--bg-dark); }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease; }
.slide.active { opacity: 1; }
.slide-img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.55); }
.slide-content { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 0 8%; color: #fff; }
.slide-tag { display: inline-block; background: var(--accent); color: #fff; font-size: 0.8rem; font-weight: 700; padding: 4px 14px; border-radius: 30px; margin-bottom: 18px; letter-spacing: 1px; text-transform: uppercase; }
.slide-content h1 { font-size: 2.8rem; font-weight: 900; line-height: 1.2; margin-bottom: 16px; text-shadow: 0 2px 12px rgba(0,0,0,0.4); max-width: 700px; }
.slide-content h1 em { color: var(--accent); font-style: normal; }
.slide-content p { font-size: 1.1rem; color: rgba(255,255,255,0.88); margin-bottom: 30px; max-width: 560px; line-height: 1.7; }
.slide-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary { padding: 14px 32px; background: var(--accent); color: #fff; border-radius: 8px; font-weight: 700; font-size: 1rem; transition: all var(--transition); border: none; cursor: pointer; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,160,32,0.4); }
.btn-outline { padding: 14px 32px; background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.7); border-radius: 8px; font-weight: 600; font-size: 1rem; transition: all var(--transition); }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }

/* Slider Controls */
.slider-dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.slider-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: all var(--transition); }
.slider-dots span.active { background: var(--accent); width: 28px; border-radius: 5px; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.2); border: none; color: #fff; width: 46px; height: 46px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; transition: all var(--transition); display: flex; align-items: center; justify-content: center; }
.slider-arrow:hover { background: var(--accent); }
.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }

/* Advantage Strip */
.advantage-strip { background: var(--primary); padding: 18px 0; }
.advantage-list { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.advantage-item { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 0.95rem; font-weight: 500; }
.advantage-item i { color: var(--accent); font-size: 1.1rem; }

/* ===================================
   VIDEO GRID SECTION
   =================================== */
.video-section { background: var(--bg-light); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); cursor: pointer; position: relative; }
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.video-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; background: #111; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.3); opacity: 0; transition: opacity var(--transition); }
.video-card:hover .play-btn { opacity: 1; }
.play-icon { width: 60px; height: 60px; background: rgba(232,160,32,0.92); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: transform var(--transition); }
.video-card:hover .play-icon { transform: scale(1.1); }
.play-icon::after { content: ''; border-left: 22px solid #fff; border-top: 13px solid transparent; border-bottom: 13px solid transparent; margin-left: 5px; }
.video-badge { position: absolute; top: 10px; left: 10px; background: var(--accent); color: #fff; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.video-badge.live { background: #e53e3e; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.7} }
.video-stats { position: absolute; bottom: 10px; right: 10px; display: flex; gap: 8px; }
.video-stats span { background: rgba(0,0,0,0.65); color: #fff; font-size: 0.72rem; padding: 2px 8px; border-radius: 12px; }
.video-info { padding: 16px; }
.video-info h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; line-height: 1.4; }
.video-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-light); }
.video-tag { background: var(--bg-light); color: var(--primary); padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; font-weight: 600; }

/* ===================================
   BRAND INTRO
   =================================== */
.brand-intro { background: #fff; }
.brand-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.brand-intro-img { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-hover); }
.brand-intro-img img { width: 100%; height: 380px; object-fit: cover; }
.brand-badge { position: absolute; bottom: -20px; right: -20px; background: var(--accent); color: #fff; width: 120px; height: 120px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; font-weight: 700; text-align: center; font-size: 0.85rem; box-shadow: 0 4px 20px rgba(232,160,32,0.4); }
.brand-badge strong { font-size: 1.8rem; display: block; }
.brand-text h2 { font-size: 1.9rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; line-height: 1.3; }
.brand-text h2 span { color: var(--accent); }
.brand-text p { color: var(--text-gray); margin-bottom: 20px; line-height: 1.8; }
.brand-values { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.value-item { display: flex; align-items: flex-start; gap: 12px; padding: 16px; background: var(--bg-light); border-radius: var(--radius); border-left: 3px solid var(--primary); }
.value-icon { width: 36px; height: 36px; background: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
.value-item h5 { font-size: 0.9rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.value-item p { font-size: 0.82rem; color: var(--text-gray); margin: 0; }

/* ===================================
   SERVICES
   =================================== */
.services-section { background: var(--bg-light); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card { background: #fff; border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); transition: all var(--transition); border-top: 4px solid transparent; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-top-color: var(--accent); }
.service-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary), #1a5fc8); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; color: #fff; }
.service-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.service-card p { font-size: 0.88rem; color: var(--text-gray); line-height: 1.7; margin-bottom: 16px; }
.service-tag { display: inline-block; background: var(--bg-light); color: var(--primary); font-size: 0.78rem; font-weight: 600; padding: 4px 12px; border-radius: 20px; border: 1px solid var(--border); }

/* ===================================
   CASES
   =================================== */
.cases-section { background: #fff; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); background: #fff; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.case-img { position: relative; height: 200px; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.case-card:hover .case-img img { transform: scale(1.06); }
.case-industry { position: absolute; top: 14px; left: 14px; background: var(--primary); color: #fff; font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 20px; }
.case-body { padding: 22px; }
.case-body h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; }
.case-body p { font-size: 0.87rem; color: var(--text-gray); line-height: 1.7; margin-bottom: 14px; }
.case-result { background: var(--bg-light); border-radius: 8px; padding: 10px 14px; font-size: 0.82rem; color: var(--primary); font-weight: 600; border-left: 3px solid var(--accent); }

/* ===================================
   NEWS
   =================================== */
.news-section { background: var(--bg-light); }
.news-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 28px; }
.news-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-img { height: 200px; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-card:hover .news-img img { transform: scale(1.06); }
.news-body { padding: 20px; }
.news-cat { display: inline-block; background: var(--primary); color: #fff; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.news-body h3 { font-size: 0.97rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; line-height: 1.4; }
.news-body p { font-size: 0.85rem; color: var(--text-gray); line-height: 1.6; margin-bottom: 12px; }
.news-meta { font-size: 0.78rem; color: var(--text-light); display: flex; justify-content: space-between; }
.news-card.featured .news-img { height: 260px; }

/* ===================================
   REVIEWS
   =================================== */
.reviews-section { background: #fff; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { background: var(--bg-light); border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--border); transition: all var(--transition); }
.review-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.review-stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 14px; }
.review-text { font-size: 0.92rem; color: var(--text-gray); line-height: 1.7; margin-bottom: 18px; font-style: italic; }
.review-text::before { content: '\201C'; font-size: 2rem; color: var(--accent); line-height: 0; vertical-align: -0.5em; margin-right: 4px; }
.reviewer { display: flex; align-items: center; gap: 12px; }
.reviewer-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 1rem; flex-shrink: 0; }
.reviewer-info h5 { font-size: 0.9rem; font-weight: 700; color: var(--text-dark); }
.reviewer-info span { font-size: 0.78rem; color: var(--text-light); }

/* ===================================
   PARTNERS
   =================================== */
.partners-section { background: var(--bg-light); }
.partners-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin-bottom: 50px; }
.partner-logo { background: #fff; border-radius: var(--radius); padding: 18px 12px; text-align: center; box-shadow: 0 2px 10px rgba(0,0,0,0.06); transition: all var(--transition); border: 1px solid var(--border); }
.partner-logo:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.partner-logo span { display: block; font-size: 0.85rem; font-weight: 700; color: var(--primary); margin-top: 8px; }
.partner-logo-icon { width: 48px; height: 48px; background: linear-gradient(135deg, var(--primary), #1a5fc8); border-radius: 10px; margin: 0 auto; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 1rem; }

/* Partner Process */
.partner-process { display: flex; justify-content: center; align-items: center; gap: 0; flex-wrap: wrap; margin-bottom: 50px; }
.process-step { text-align: center; padding: 20px 30px; }
.process-num { width: 50px; height: 50px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; margin: 0 auto 12px; }
.process-step h4 { font-size: 0.9rem; font-weight: 700; color: var(--text-dark); }
.process-arrow { font-size: 1.5rem; color: var(--accent); padding: 0 10px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-q { padding: 18px 22px; font-weight: 700; font-size: 0.97rem; color: var(--text-dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: #fff; transition: background var(--transition); }
.faq-q:hover { background: var(--bg-light); }
.faq-q.open { background: var(--primary); color: #fff; }
.faq-q .faq-arrow { transition: transform var(--transition); font-size: 0.8rem; }
.faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; background: #fff; font-size: 0.9rem; color: var(--text-gray); line-height: 1.8; }
.faq-a.open { max-height: 200px; padding: 16px 22px; }

/* ===================================
   CONTACT
   =================================== */
.contact-section { background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h3 { font-size: 1.5rem; font-weight: 800; color: var(--primary); margin-bottom: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.contact-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), #1a5fc8); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
.contact-item h5 { font-size: 0.88rem; color: var(--text-light); margin-bottom: 4px; }
.contact-item p { font-size: 0.97rem; font-weight: 600; color: var(--text-dark); }
.map-placeholder { background: var(--bg-light); border-radius: var(--radius-lg); height: 220px; display: flex; align-items: center; justify-content: center; border: 2px dashed var(--border); margin-top: 24px; color: var(--text-light); font-size: 0.9rem; }
.contact-form { background: var(--bg-light); border-radius: var(--radius-lg); padding: 36px; }
.contact-form h3 { font-size: 1.3rem; font-weight: 800; color: var(--primary); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 2px solid var(--border); border-radius: 8px; font-size: 0.92rem; outline: none; transition: border-color var(--transition); background: #fff; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { width: 100%; padding: 14px; background: var(--primary); color: #fff; border: none; border-radius: 8px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: background var(--transition); }
.form-submit:hover { background: var(--primary-dark); }

/* ===================================
   FOOTER
   =================================== */
#footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); }
.footer-main { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; color: rgba(255,255,255,0.65); margin-bottom: 20px; }
.footer-qr { display: flex; gap: 16px; }
.qr-box { text-align: center; }
.qr-img { width: 80px; height: 80px; background: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; margin: 0 auto 6px; }
.qr-img svg { width: 60px; height: 60px; }
.qr-box span { font-size: 0.75rem; color: rgba(255,255,255,0.6); }
.footer-col h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 18px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); display: inline-block; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer-social { display: flex; gap: 10px; }
.social-btn { width: 34px; height: 34px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 0.85rem; transition: all var(--transition); }
.social-btn:hover { background: var(--accent); color: #fff; }

/* ===================================
   BREADCRUMB
   =================================== */
.breadcrumb { background: var(--bg-light); padding: 12px 0; border-bottom: 1px solid var(--border); }
.breadcrumb-list { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-light); }
.breadcrumb-list a { color: var(--primary); }
.breadcrumb-list span { color: var(--text-light); }

/* ===================================
   PAGE HERO (inner pages)
   =================================== */
.page-hero { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 60px 0; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: url('../images/banner1.jpg') center/cover no-repeat; opacity: 0.15; }
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { font-size: 2.2rem; font-weight: 900; margin-bottom: 12px; }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto; }

/* ===================================
   STATS STRIP
   =================================== */
.stats-strip { background: var(--primary); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-item h3 { font-size: 2.4rem; font-weight: 900; color: var(--accent); margin-bottom: 6px; }
.stat-item p { font-size: 0.9rem; color: rgba(255,255,255,0.8); }

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-slider { height: 420px; }
  .slide-content h1 { font-size: 1.8rem; }
  .slide-content p { font-size: 0.9rem; }
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: #fff; padding: 16px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); gap: 4px; }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .brand-intro-grid { grid-template-columns: 1fr; }
  .brand-badge { right: 0; bottom: 0; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-list { gap: 16px; }
  .section-title h2 { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .partner-process { flex-direction: column; }
  .process-arrow { transform: rotate(90deg); }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .slide-btns { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; }
}

/* ===================================
   UTILITIES
   =================================== */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.btn-more { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; background: var(--primary); color: #fff; border-radius: 8px; font-weight: 600; font-size: 0.95rem; transition: all var(--transition); margin-top: 40px; }
.btn-more:hover { background: var(--primary-dark); transform: translateY(-2px); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.tag { background: var(--bg-light); color: var(--primary); font-size: 0.78rem; font-weight: 600; padding: 4px 12px; border-radius: 20px; border: 1px solid var(--border); }

/* Inner page content */
.inner-content { padding: 60px 0; }
.inner-content h2 { font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.inner-content h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin: 24px 0 12px; }
.inner-content p { color: var(--text-gray); line-height: 1.85; margin-bottom: 16px; }
.inner-content ul { padding-left: 20px; margin-bottom: 16px; }
.inner-content ul li { color: var(--text-gray); line-height: 1.8; margin-bottom: 6px; list-style: disc; }

/* Download cards */
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.download-card { background: #fff; border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); text-align: center; transition: all var(--transition); border: 2px solid transparent; }
.download-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.download-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary), #1a5fc8); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.8rem; color: #fff; }
.download-card h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.download-card p { font-size: 0.85rem; color: var(--text-gray); margin-bottom: 16px; }
.btn-download { display: inline-block; padding: 10px 24px; background: var(--accent); color: #fff; border-radius: 8px; font-weight: 700; font-size: 0.9rem; transition: all var(--transition); }
.btn-download:hover { background: var(--accent-dark); }

@media (max-width: 768px) {
  .download-grid { grid-template-columns: 1fr; }
}