/* ============================================================
   DeepSeek 主题4 - 浅蓝留白风 (Sky Blue Airy)
   AI多模态创作平台 - 灵感即达
   ============================================================ */

:root {
  --color-bg: #f7fbff; --color-bg-alt: #eef7ff;
  --color-bg-card: #ffffff; --color-bg-elevated: #fdfeff;
  --color-primary: #0ea5e9; --color-primary-dark: #0369a1;
  --color-primary-light: #e0f2fe; --color-primary-glow: rgba(14,165,233,0.12);
  --color-primary-gradient: linear-gradient(120deg, #0ea5e9 0%, #38bdf8 55%, #7dd3fc 100%);
  --color-accent: #38bdf8; --color-accent-light: #e0f2fe;
  --color-success: #16a34a; --color-warning: #d97706; --color-danger: #dc2626;
  --color-white: #ffffff; --color-text: #1c130a; --color-text-secondary: #57534e;
  --color-text-muted: #a8a29e; --color-border: #e7e0d8; --color-border-light: #f2ece4;
  --color-footer-bg: #0a1a2e; --color-footer-text: #8fb8d8;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.02); --shadow-md: 0 6px 24px rgba(0,0,0,0.04);
  --shadow-lg: 0 14px 44px rgba(0,0,0,0.06); --shadow-xl: 0 24px 72px rgba(0,0,0,0.08);
  --shadow-glow: 0 6px 32px rgba(14,165,233,0.16);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-size-xs: 0.75rem; --font-size-sm: 0.875rem; --font-size-base: 1rem;
  --font-size-lg: 1.125rem; --font-size-xl: 1.25rem; --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem; --font-size-4xl: 2.25rem; --font-size-5xl: 3rem;
  --spacing-xs: 0.25rem; --spacing-sm: 0.5rem; --spacing-md: 1rem;
  --spacing-lg: 1.5rem; --spacing-xl: 2rem; --spacing-2xl: 3rem;
  --spacing-3xl: 5rem; --spacing-4xl: 7rem;
  --max-width: 1320px; --nav-height: 78px;
  --border-radius-sm: 10px; --border-radius-md: 18px; --border-radius-lg: 26px; --border-radius-full: 9999px;
  --transition-fast: 200ms ease; --transition-base: 320ms ease; --transition-slow: 560ms cubic-bezier(0.16,1,0.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.8;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--color-primary-dark)}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit;border:none;outline:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-primary);color:#fff;padding:10px 20px;z-index:2000;border-radius:0 0 var(--border-radius-sm) 0}
.skip-link:focus{left:0}
.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-2xl)}
.section{padding:var(--spacing-4xl) 0}
.section-header{text-align:center;margin-bottom:var(--spacing-3xl);max-width:760px;margin-left:auto;margin-right:auto}
.section-subtitle{display:inline-flex;align-items:center;gap:10px;font-size:var(--font-size-sm);font-weight:700;color:var(--color-primary);letter-spacing:0.22em;margin-bottom:var(--spacing-lg);padding:6px 20px;background:var(--color-primary-light);border-radius:var(--border-radius-full)}
.section-subtitle::before{content:'';width:18px;height:2px;background:var(--color-primary);border-radius:2px}
.section-title{font-size:clamp(1.75rem,3.4vw,2.5rem);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-lg);line-height:1.35;letter-spacing:-0.01em}
.section-desc{font-size:var(--font-size-lg);color:var(--color-text-secondary);max-width:640px;margin:0 auto;line-height:1.9}
.text-center{text-align:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 38px;font-size:var(--font-size-base);font-weight:700;border-radius:var(--border-radius-full);transition:all var(--transition-base);white-space:nowrap;cursor:pointer;border:2px solid transparent;text-decoration:none;letter-spacing:0.02em}
.btn-primary{background:var(--color-primary-gradient);color:var(--color-white);box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 36px var(--color-primary-glow);color:var(--color-white);filter:brightness(1.06)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-primary-light);border-color:var(--color-primary);color:var(--color-primary-dark)}
.btn-white{background:var(--color-white);color:var(--color-primary-dark);box-shadow:var(--shadow-sm)}
.btn-white:hover{background:var(--color-primary-light);transform:translateY(-3px)}
.btn-lg{padding:18px 48px;font-size:var(--font-size-lg)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,253,250,0.9);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:all var(--transition-base);height:var(--nav-height)}
.nav.scrolled{box-shadow:0 2px 24px rgba(0,0,0,0.05);border-bottom-color:var(--color-border-light);background:rgba(255,253,250,0.98)}
.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-2xl);display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{display:flex;align-items:center;gap:12px;font-size:var(--font-size-xl);font-weight:800;color:var(--color-text);letter-spacing:0.02em}
.nav-logo:hover{color:var(--color-text)}
.nav-logo-icon{width:40px;height:40px;border-radius:12px;background:var(--color-primary-gradient);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:900;letter-spacing:0}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 18px;font-size:var(--font-size-base);font-weight:600;color:var(--color-text-secondary);border-radius:var(--border-radius-full);transition:all var(--transition-fast)}
.nav-link:hover{color:var(--color-primary);background:var(--color-primary-light)}
.nav-link.active{color:var(--color-primary);background:var(--color-primary-light)}
.arrow{font-size:10px;opacity:0.6}
.nav-dropdown{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);min-width:220px;background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-md);box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-dropdown a{display:block;padding:11px 16px;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);border-radius:var(--border-radius-sm);transition:all var(--transition-fast)}
.nav-dropdown a:hover{background:var(--color-primary-light);color:var(--color-primary)}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);border:1px solid var(--color-border)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--color-text);border-radius:2px;transition:all var(--transition-fast)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;background:var(--color-bg);z-index:999;padding:var(--spacing-xl) var(--spacing-2xl);overflow-y:auto}
.mobile-menu.active{display:block}
.mobile-menu>a{display:block;padding:16px 4px;font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);border-bottom:1px solid var(--color-border-light)}
.mobile-sub{padding:10px 16px 16px;display:grid;gap:10px}
.mobile-sub a{font-size:var(--font-size-sm);color:var(--color-text-secondary)}

/* Hero - split layout with whitespace */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:linear-gradient(165deg, #f7fbff 0%, #e8f4ff 55%, #dceeff 100%);margin-top:var(--nav-height);padding:var(--spacing-3xl) 0}
.hero-pattern{position:absolute;inset:0;background-image:radial-gradient(rgba(14,165,233,0.05) 1px, transparent 1px);background-size:34px 34px;mask-image:linear-gradient(120deg, #000 0%, transparent 60%)}
.hero-accent{position:absolute;border-radius:50%;filter:blur(110px);opacity:0.14}
.hero-accent.a1{width:560px;height:560px;top:-140px;right:-120px;background:#0ea5e9}
.hero-accent.a2{width:420px;height:420px;bottom:-120px;left:-100px;background:#7dd3fc}
.hero-inner{position:relative;z-index:2;max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-2xl);display:grid;grid-template-columns:1.1fr 0.9fr;gap:var(--spacing-3xl);align-items:center;width:100%}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:440px}
.hero-visual-card{width:100%;max-width:480px;background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);box-shadow:var(--shadow-xl);position:relative}
.hero-visual-card::before{content:'';position:absolute;inset:-16px;border:2px dashed rgba(14,165,233,0.25);border-radius:calc(var(--border-radius-lg) + 16px);z-index:-1}
.hero-visual-icon{width:84px;height:84px;border-radius:22px;background:var(--color-primary-gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2.6rem;margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-glow)}
.hero-visual-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--color-border-light)}
.hero-visual-row:last-child{border-bottom:none}
.hero-visual-dot{width:10px;height:10px;border-radius:50%;background:var(--color-primary);flex-shrink:0}
.hero-visual-bar{height:10px;border-radius:6px;background:linear-gradient(90deg, var(--color-primary) 0%, #7dd3fc 100%)}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity 0.9s ease,visibility 0.9s ease;z-index:1}.hero-slide:first-child{opacity:1;visibility:visible}
.hero-content{text-align:left}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:7px 22px;background:var(--color-white);color:var(--color-primary-dark);border-radius:var(--border-radius-full);font-size:var(--font-size-sm);font-weight:700;margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light);letter-spacing:0.04em}
.hero-badge::before{content:'◆';font-size:10px;color:var(--color-primary)}
.hero-title{font-size:clamp(2.3rem,5.4vw,4rem);font-weight:800;color:var(--color-text);line-height:1.22;margin-bottom:var(--spacing-xl);letter-spacing:-0.02em}
.hero-title span{background:var(--color-primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:var(--font-size-xl);color:var(--color-text-secondary);margin-bottom:var(--spacing-2xl);line-height:1.9;max-width:560px}
.hero-buttons{display:flex;gap:var(--spacing-lg);flex-wrap:wrap}
.hero-indicators{position:absolute;bottom:44px;left:50%;transform:translateX(-50%);display:flex;gap:12px;z-index:3}
.hero-dot{width:10px;height:10px;border-radius:50%;background:var(--color-border);cursor:pointer;transition:all var(--transition-base)}
.hero-dot.active{background:var(--color-primary);width:34px;border-radius:6px;box-shadow:var(--shadow-glow)}

/* Stats - airy strip */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-2xl)}
.stat-item{text-align:center;padding:var(--spacing-2xl) var(--spacing-xl);background:transparent;border-radius:0;box-shadow:none;border-left:1px solid var(--color-border-light)}
.stat-item:first-child{border-left:none}
.stat-item:hover{background:var(--color-bg-alt);border-radius:var(--border-radius-md);transition:all var(--transition-base)}
.stat-number{font-size:clamp(2rem,3.6vw,2.8rem);font-weight:800;color:var(--color-primary);letter-spacing:-0.02em}
.stat-label{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:6px;letter-spacing:0.06em}

/* Products - flat airy cards */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-2xl)}
.product-card{background:var(--color-white);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);border:1px solid var(--color-border-light);transition:all var(--transition-base);position:relative;overflow:hidden}
.product-card::after{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--color-primary-gradient);opacity:0;transition:opacity var(--transition-base)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}
.product-card:hover::after{opacity:1}
.product-icon{width:64px;height:64px;border-radius:18px;background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:1.9rem;margin-bottom:var(--spacing-xl)}
.product-card h3{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--spacing-md)}
.product-card p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.9;margin-bottom:var(--spacing-xl);min-height:96px}
.product-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:var(--spacing-xl)}
.product-tag{padding:5px 14px;background:var(--color-bg-alt);color:var(--color-text-secondary);font-size:var(--font-size-xs);font-weight:600;border-radius:var(--border-radius-full);border:1px solid var(--color-border-light)}
.product-link{font-size:var(--font-size-sm);font-weight:700;color:var(--color-primary)}
.product-link:hover{color:var(--color-primary-dark)}

/* Cases */
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-3xl)}
.case-card{background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg);padding:var(--spacing-3xl);transition:all var(--transition-base)}
.case-card:hover{box-shadow:var(--shadow-lg);border-color:var(--color-primary)}
.case-header{display:flex;align-items:center;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}
.case-logo{width:60px;height:60px;border-radius:16px;background:var(--color-primary-gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-lg);font-weight:800;flex-shrink:0}
.case-company h4{font-size:var(--font-size-lg);font-weight:700}
.case-company span{font-size:var(--font-size-xs);color:var(--color-text-muted)}
.case-quote{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:2;margin-bottom:var(--spacing-2xl);padding-left:var(--spacing-lg);border-left:3px solid var(--color-primary)}
.case-results{display:flex;gap:var(--spacing-2xl);padding-top:var(--spacing-xl);border-top:1px solid var(--color-border-light)}
.case-result .val{font-size:var(--font-size-2xl);font-weight:800;color:var(--color-primary)}
.case-result .lbl{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:4px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:var(--spacing-3xl);align-items:center}
.contact-info h3{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-md)}
.contact-info>p{color:var(--color-text-secondary);margin-bottom:var(--spacing-2xl)}
.contact-items{display:grid;gap:var(--spacing-xl)}
.contact-item{display:flex;gap:var(--spacing-lg);align-items:flex-start}
.contact-item-icon{width:52px;height:52px;border-radius:14px;background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}
.contact-item h4{font-size:var(--font-size-base);font-weight:700;margin-bottom:4px}
.contact-item p{color:var(--color-text-secondary);font-size:var(--font-size-sm)}
.contact-qr{padding:var(--spacing-2xl);text-align:center;background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg)}
.contact-qr-box{width:180px;height:180px;background:var(--color-bg-alt);border-radius:var(--border-radius-md);margin:0 auto var(--spacing-xl);display:flex;align-items:center;justify-content:center;font-size:4rem;border:1px dashed var(--color-border)}

/* CTA */
.cta-section{padding:var(--spacing-4xl) 0;background:linear-gradient(130deg, #0a1a2e 0%, #0f2a45 60%, #143d63 100%);color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(14,165,233,0.12) 1px, transparent 1px);background-size:30px 30px}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:800;margin-bottom:var(--spacing-lg);letter-spacing:-0.01em}
.cta-section p{color:#b8d4e8;font-size:var(--font-size-lg);margin-bottom:var(--spacing-2xl);max-width:560px;margin-left:auto;margin-right:auto}

/* Footer */
.footer{background:var(--color-footer-bg);color:var(--color-footer-text);padding:var(--spacing-4xl) 0 var(--spacing-2xl)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--spacing-3xl);margin-bottom:var(--spacing-3xl)}
.footer-brand .nav-logo{color:#fff;margin-bottom:var(--spacing-lg)}
.footer-brand p{font-size:var(--font-size-sm);line-height:1.9;color:var(--color-footer-text);max-width:300px}
.footer-col h4{color:#fff;font-size:var(--font-size-base);font-weight:700;margin-bottom:var(--spacing-xl);letter-spacing:0.06em}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:var(--color-footer-text);font-size:var(--font-size-sm);transition:color var(--transition-fast)}
.footer-col a:hover{color:var(--color-primary)}
.footer-bottom{border-top:1px solid rgba(143,184,216,0.15);padding-top:var(--spacing-2xl);text-align:center;font-size:var(--font-size-xs);color:rgba(143,184,216,0.6)}

/* Page banner */
.page-banner{background:linear-gradient(165deg, #e8f4ff 0%, #dceeff 100%);padding:calc(var(--nav-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);text-align:center}
.page-banner-content{max-width:760px;margin:0 auto;padding:0 var(--spacing-xl)}
.breadcrumb{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-bottom:var(--spacing-lg)}
.breadcrumb a{color:var(--color-text-muted)}
.breadcrumb a:hover{color:var(--color-primary)}
.breadcrumb .sep{margin:0 10px}
.page-banner h1{font-size:clamp(2rem,4.4vw,3rem);font-weight:800;letter-spacing:-0.02em;margin-bottom:var(--spacing-md)}
.page-banner h1 span{background:var(--color-primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-banner p{color:var(--color-text-secondary);font-size:var(--font-size-lg)}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-4xl);align-items:center}
.about-image{background:linear-gradient(140deg, #fff 0%, var(--color-primary-light) 100%);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg);min-height:380px;display:flex;align-items:center;justify-content:center;font-size:6rem;position:relative}
.about-experience{position:absolute;bottom:-26px;right:28px;background:var(--color-primary-gradient);color:#fff;padding:var(--spacing-lg) var(--spacing-xl);border-radius:var(--border-radius-md);box-shadow:var(--shadow-glow);text-align:center}
.about-experience .number{font-size:var(--font-size-3xl);font-weight:800}
.about-experience .label{font-size:var(--font-size-xs);opacity:0.9}
.timeline{max-width:760px;margin:0 auto;position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--color-border)}
.timeline-item{position:relative;margin-bottom:var(--spacing-3xl)}
.timeline-item:last-child{margin-bottom:0}
.timeline-dot{position:absolute;left:-40px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--color-primary)}
.timeline-content h4{font-size:var(--font-size-xl);font-weight:800;color:var(--color-primary);margin-bottom:var(--spacing-sm)}
.timeline-content p{color:var(--color-text-secondary);line-height:1.9}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-2xl)}
.value-card{background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);text-align:center;transition:all var(--transition-base)}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--color-primary)}
.value-icon{font-size:2.4rem;margin-bottom:var(--spacing-lg)}
.value-card h4{font-size:var(--font-size-lg);font-weight:700;margin-bottom:var(--spacing-md)}
.value-card p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.9}
.honors-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--spacing-xl)}
.honor-card{background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-md);padding:var(--spacing-xl);text-align:center;transition:all var(--transition-base)}
.honor-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary)}
.honor-icon{font-size:2rem;margin-bottom:var(--spacing-md)}
.honor-card h4{font-size:var(--font-size-sm);font-weight:700;margin-bottom:6px}
.honor-card span{font-size:var(--font-size-xs);color:var(--color-text-muted)}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-2xl)}
.team-card{background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);text-align:center;transition:all var(--transition-base)}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.team-avatar{width:88px;height:88px;border-radius:50%;background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:2.6rem;margin:0 auto var(--spacing-lg)}
.team-card h4{font-size:var(--font-size-lg);font-weight:700}
.team-card .role{font-size:var(--font-size-sm);color:var(--color-primary);font-weight:700;margin:6px 0 var(--spacing-md)}
.team-card .bio{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.9}

/* News */
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:var(--spacing-3xl);align-items:start}
.news-list{display:grid;gap:var(--spacing-2xl)}
.news-list-item{display:flex;gap:var(--spacing-2xl);background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);transition:all var(--transition-base)}
.news-list-item:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary)}
.news-list-image{width:90px;height:90px;border-radius:var(--border-radius-md);background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:2.4rem;flex-shrink:0}
.news-list-content{flex:1}
.news-category{display:inline-block;padding:4px 14px;border-radius:var(--border-radius-full);font-size:var(--font-size-xs);font-weight:700;margin-bottom:var(--spacing-sm)}
.news-category.company{background:var(--color-primary-light);color:var(--color-primary)}
.news-category.industry{background:#ecfeff;color:#0891b2}
.news-category.tech{background:#f0fdf4;color:#16a34a}
.news-list-content h3{font-size:var(--font-size-lg);font-weight:700;margin-bottom:var(--spacing-sm);line-height:1.5}
.news-list-content h3 a{color:var(--color-text)}
.news-list-content h3 a:hover{color:var(--color-primary)}
.news-list-content p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.9;margin-bottom:var(--spacing-md)}
.news-meta{display:flex;gap:var(--spacing-lg);font-size:var(--font-size-xs);color:var(--color-text-muted)}
.news-sidebar{position:sticky;top:calc(var(--nav-height) + 24px);display:grid;gap:var(--spacing-xl)}
.sidebar-widget{background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--border-radius-md);padding:var(--spacing-xl)}
.sidebar-widget h4{font-size:var(--font-size-base);font-weight:700;margin-bottom:var(--spacing-lg)}
.sidebar-widget ul{display:grid;gap:12px}
.sidebar-widget a{font-size:var(--font-size-sm);color:var(--color-text-secondary);padding:10px 14px;border-radius:var(--border-radius-sm);display:block;transition:all var(--transition-fast)}
.sidebar-widget a:hover{background:var(--color-primary-light);color:var(--color-primary)}
.pagination{display:flex;gap:10px;justify-content:center;margin-top:var(--spacing-3xl)}
.pagination a,.pagination span{padding:10px 18px;border-radius:var(--border-radius-sm);font-size:var(--font-size-sm);font-weight:600;text-decoration:none;border:1px solid var(--color-border);color:var(--color-text-secondary)}
.pagination .active{background:var(--color-primary-gradient);color:var(--color-white);border-color:transparent}
.pagination a:hover{background:var(--color-primary-light);color:var(--color-primary)}

/* Downloads */
.downloads-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-2xl)}
.download-card{background:var(--color-white);border-radius:var(--border-radius-lg);padding:var(--spacing-3xl);text-align:center;border:1px solid var(--color-border-light);transition:all var(--transition-base);position:relative}
.download-card.featured{border:2px solid var(--color-primary)}
.download-card.featured::after{content:'推荐';position:absolute;top:14px;right:14px;padding:4px 16px;background:var(--color-primary-gradient);color:var(--color-white);font-size:var(--font-size-xs);font-weight:700;border-radius:var(--border-radius-full)}
.download-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.download-platform{font-size:3.2rem;margin-bottom:var(--spacing-xl)}
.download-card h3{font-size:var(--font-size-xl);font-weight:700}
.download-version{display:inline-block;padding:4px 16px;background:var(--color-primary-light);color:var(--color-primary);font-size:var(--font-size-xs);font-weight:700;border-radius:var(--border-radius-full);margin:var(--spacing-md) 0 var(--spacing-xl)}
.download-specs{display:flex;justify-content:center;gap:var(--spacing-xl);font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:var(--spacing-2xl)}
.faq-item{border:1px solid var(--color-border-light);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-lg);overflow:hidden;background:var(--color-white)}
.faq-question{width:100%;padding:var(--spacing-xl);font-size:var(--font-size-base);font-weight:700;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--color-text)}
.faq-question:hover{color:var(--color-primary)}
.faq-icon{font-size:var(--font-size-xl);transition:transform var(--transition-fast);color:var(--color-primary)}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 var(--spacing-xl);max-height:0;overflow:hidden;transition:all var(--transition-base)}
.faq-item.active .faq-answer{padding:0 var(--spacing-xl) var(--spacing-xl);max-height:500px}
.faq-answer p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:2}
.filter-bar{display:flex;gap:12px;margin-bottom:var(--spacing-3xl);flex-wrap:wrap;justify-content:center}
.filter-btn{padding:9px 24px;font-size:var(--font-size-sm);font-weight:700;border-radius:var(--border-radius-full);border:1px solid var(--color-border);background:var(--color-white);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.filter-btn.active,.filter-btn:hover{background:var(--color-primary-gradient);color:var(--color-white);border-color:transparent}
.back-to-top{position:fixed;bottom:36px;right:36px;width:52px;height:52px;background:var(--color-primary-gradient);color:var(--color-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-lg);font-weight:800;box-shadow:var(--shadow-glow);z-index:99;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}

/* Animations */
.fade-in{opacity:0;transform:translateY(34px);transition:opacity 0.8s ease,transform 0.8s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.fade-in-left{opacity:0;transform:translateX(-48px);transition:opacity 0.8s ease,transform 0.8s ease}
.fade-in-left.visible{opacity:1;transform:translateX(0)}
.fade-in-right{opacity:0;transform:translateX(48px);transition:opacity 0.8s ease,transform 0.8s ease}
.fade-in-right.visible{opacity:1;transform:translateX(0)}

@media (max-width:1024px){
 .products-grid{grid-template-columns:repeat(2,1fr)}
 .values-grid{grid-template-columns:repeat(2,1fr)}
 .honors-grid{grid-template-columns:repeat(3,1fr)}
 .cases-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
 .team-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .news-layout{grid-template-columns:1fr}
 .news-sidebar{position:static}
 .downloads-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}
 .hero-inner{grid-template-columns:1fr;text-align:center}
 .hero-visual{min-height:0;order:-1}
 .hero-desc{margin-left:auto;margin-right:auto}
 .hero-buttons{justify-content:center}
 .hero-content{text-align:center}
}
@media (max-width:768px){
 .nav-menu{display:none}
 .nav-toggle{display:flex}
 .section{padding:var(--spacing-3xl) 0}
 .section-title{font-size:1.6rem}
 .news-list-item{flex-direction:column}
 .footer-grid{grid-template-columns:1fr}
 .hero-title{font-size:2rem}
 .hero-buttons{flex-direction:column;align-items:center}
 .timeline{padding-left:30px}
 .timeline-dot{left:-30px}
 .stats-grid,.downloads-grid{grid-template-columns:1fr}
 .stat-item{border-left:none;border-top:1px solid var(--color-border-light)}
 .stat-item:first-child{border-top:none}
 .products-grid,.values-grid,.team-grid,.honors-grid{grid-template-columns:1fr}
 .case-results{flex-wrap:wrap}
}