/* ============================================
   易昇卓越科技 — Apple 风格
   数据恢复企业展示站 v2.0
   设计参照：apple.com.cn/mac/
   ============================================ */

:root {
  --white: #ffffff;
  --black: #1d1d1f;
  --gray-50: #fbfbfd;
  --gray-100: #f5f5f7;
  --gray-150: #e8e8ed;
  --gray-200: #d2d2d7;
  --gray-300: #86868b;
  --gray-400: #6e6e73;
  --gray-500: #515154;
  --teal: #4ECDC4;
  --deepblue: #0077B6;
  --accent: var(--deepblue);
  --accent-hover: #005a8c;
  --gradient-main: linear-gradient(135deg, #4ECDC4 0%, #0077B6 100%);
  --gradient-dark: linear-gradient(135deg, #0077B6 0%, #003d5c 100%);
  --green: #34c759;
  --max-width: 1100px;
  --nav-height: 52px;
  --font-stack: -apple-system, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  --radius-card: 16px;
  --radius-button: 980px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 48px rgba(0,0,0,0.10);
  --shadow-glow: 0 8px 32px rgba(0,119,182,0.20);
  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-fast: 0.2s ease;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--font-stack);font-size:16px;line-height:1.6;color:var(--black);background:var(--white);padding-top:var(--nav-height);overflow-x:hidden}
a{text-decoration:none;color:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 22px}
.section{padding:100px 0}
.section-alt{background:var(--gray-100)}
.section-header{text-align:center;margin-bottom:60px}
.section-label{font-size:12px;font-weight:600;color:var(--gray-300);letter-spacing:0.06em;text-transform:uppercase;margin-bottom:10px}
.section-title{font-size:44px;font-weight:700;letter-spacing:-0.002em;margin-bottom:14px;color:var(--black);
  background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}
.section-subtitle{font-size:18px;color:var(--gray-400);max-width:640px;margin:0 auto;line-height:1.6}

/* Nav — Premium glassmorphism */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);background:rgba(255,255,255,0.82);-webkit-backdrop-filter:saturate(180%) blur(28px);backdrop-filter:saturate(180%) blur(28px);transition:box-shadow var(--transition);border-bottom:1px solid rgba(0,0,0,0.04)}
.nav.scrolled{box-shadow:0 1px 0 rgba(0,0,0,0.06)}
.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 22px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:var(--black);letter-spacing:-0.01em}
.nav-logo-img{height:34px;width:auto;border-radius:3px}
.nav-logo:hover{opacity:0.8}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:13px;color:var(--gray-400);transition:color var(--transition-fast);font-weight:400;position:relative;padding:2px 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:50%;width:0;height:2px;border-radius:1px;background:var(--gradient-main);transition:all var(--transition-fast);transform:translateX(-50%)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover{color:var(--black)}
.nav-links a.active{color:var(--black)}
.nav-links a.nav-phone{color:var(--accent);font-weight:600;font-size:14px;background:rgba(0,119,182,0.06);padding:6px 16px;border-radius:var(--radius-button)}
.nav-links a.nav-phone:hover{background:rgba(0,119,182,0.12)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:32px;height:32px;padding:6px;color:var(--black);border-radius:6px}

/* Mobile nav */
@media(max-width:900px){
  .nav-links{position:fixed;top:var(--nav-height);left:0;right:0;background:rgba(255,255,255,0.98);-webkit-backdrop-filter:saturate(180%) blur(28px);backdrop-filter:saturate(180%) blur(28px);flex-direction:column;padding:16px 22px;gap:0;display:none;border-bottom:1px solid var(--gray-150)}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:12px 0;font-size:15px;border-bottom:1px solid var(--gray-100)}
  .nav-links a:last-child{border-bottom:none}
  .nav-toggle{display:block}
}

/* Hero — logo-centered premium design */
.hero{padding:100px 0 80px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-30%;width:160%;height:200%;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(0,119,182,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(78,205,196,0.06) 0%, transparent 40%);
  pointer-events:none}
.hero-label{font-size:13px;font-weight:500;color:var(--gray-300);letter-spacing:0.04em;margin-bottom:4px;position:relative}

.hero-brand{margin-bottom:24px;position:relative}
.hero-logo-img{width:260px;height:auto;border-radius:0;display:inline-block;box-shadow:0 12px 48px rgba(0,119,182,0.18),0 4px 16px rgba(78,205,196,0.12);transition:transform var(--transition),box-shadow var(--transition)}
.hero-logo-img:hover{transform:scale(1.03);box-shadow:0 16px 56px rgba(0,119,182,0.25),0 6px 20px rgba(78,205,196,0.15)}

.hero-name{font-size:48px;font-weight:700;line-height:1.15;letter-spacing:-0.003em;margin-bottom:6px;color:var(--black);position:relative;
  background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}

.hero-slogan{font-size:22px;font-weight:500;color:var(--accent);margin-bottom:28px;position:relative;
  letter-spacing:0.02em}
.hero-slogan::after{content:'';display:block;width:60px;height:3px;border-radius:2px;background:var(--gradient-main);margin:18px auto 0}

.hero-subtitle{font-size:20px;font-weight:600;line-height:1.3;margin-bottom:10px;color:var(--black);position:relative}
.hero-desc{font-size:16px;color:var(--gray-400);max-width:660px;margin:0 auto 28px;line-height:1.7;position:relative}

.hero-actions{position:relative}
.hero-cta{display:inline-block;background:var(--gradient-main);color:var(--white);padding:14px 34px;border-radius:var(--radius-button);font-size:17px;font-weight:500;transition:all var(--transition);box-shadow:0 4px 15px rgba(0,119,182,0.25)}
.hero-cta:hover{opacity:0.92;transform:scale(1.03);box-shadow:0 6px 25px rgba(0,119,182,0.35)}
.hero-cta-secondary{display:block;color:var(--accent);font-size:16px;font-weight:500;margin-top:14px;transition:color var(--transition-fast)}
.hero-cta-secondary:hover{color:var(--accent-hover)}

/* Stats */
.stats{padding:44px 0;background:var(--gray-100);border-top:1px solid var(--gray-150);border-bottom:1px solid var(--gray-150)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{text-align:center;padding:4px 12px;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:36px;background:var(--gray-200)}
.stat-number{font-size:34px;font-weight:700;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block;letter-spacing:-0.002em;line-height:1.2;margin-bottom:2px}
.stat-label{font-size:14px;color:var(--gray-400)}

/* Service cards — Premium */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--white);border-radius:var(--radius-card);padding:36px 28px 32px;border:1px solid var(--gray-150);transition:all var(--transition);cursor:default;box-shadow:var(--shadow-sm)}
.service-card:hover{border-color:transparent;box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.service-icon{font-size:36px;margin-bottom:16px;line-height:1;display:inline-block;padding:8px;border-radius:12px;background:rgba(78,205,196,0.08)}
.service-card h3{font-size:20px;font-weight:600;margin-bottom:10px;color:var(--black)}
.service-card p{font-size:14px;color:var(--gray-400);line-height:1.7;margin-bottom:16px}
.service-tag{display:inline-block;font-size:12px;color:var(--deepblue);background:rgba(78,205,196,0.1);padding:4px 12px;border-radius:var(--radius-button);font-weight:500}

/* Process steps — premium */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-step{text-align:center;padding:40px 20px;border-radius:var(--radius-card);background:var(--white);border:1px solid var(--gray-150);transition:all var(--transition);box-shadow:var(--shadow-sm)}
.process-step:hover{border-color:transparent;box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.step-number{width:48px;height:48px;border-radius:50%;background:var(--gradient-main);color:var(--white);font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;transition:transform var(--transition);box-shadow:0 4px 12px rgba(0,119,182,0.25)}
.process-step:hover .step-number{transform:scale(1.1)}
.process-step h4{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--black)}
.process-step p{font-size:14px;color:var(--gray-400);line-height:1.5}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;max-width:780px;margin:0 auto}
.feature-item{display:flex;gap:14px;padding:14px 18px;border-radius:10px;transition:background var(--transition-fast);align-items:flex-start}
.feature-item:hover{background:var(--gray-100)}
.feature-check{width:22px;height:22px;border-radius:50%;background:rgba(52,199,89,0.12);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;margin-top:2px}
.feature-text h4{font-size:15px;font-weight:600;margin-bottom:3px;color:var(--black)}
.feature-text p{font-size:14px;color:var(--gray-400);line-height:1.5}

/* CTA — Premium dark section */
.cta-banner{padding:100px 0;text-align:center;background:var(--gradient-dark);color:var(--white);position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(78,205,196,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 100%, rgba(0,119,182,0.08) 0%, transparent 50%);
  pointer-events:none}
.cta-banner h2{font-size:40px;font-weight:700;letter-spacing:-0.002em;margin-bottom:12px;position:relative}
.cta-banner p{font-size:18px;color:rgba(255,255,255,0.55);margin-bottom:24px;position:relative}
.cta-phone{font-size:34px;font-weight:700;color:var(--white);letter-spacing:0.02em;position:relative}
.cta-phone a{color:var(--white)}
.cta-phone a:hover{color:var(--accent)}
.cta-address{font-size:14px;color:rgba(255,255,255,0.4);margin-top:16px;position:relative}

/* Service detail page — premium */
.service-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.service-detail-card{background:var(--white);border-radius:var(--radius-card);padding:36px 28px;border:1px solid var(--gray-150);transition:all var(--transition);box-shadow:var(--shadow-sm)}
.service-detail-card:hover{border-color:transparent;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.service-detail-card h3{font-size:20px;font-weight:600;margin-bottom:16px;color:var(--black)}
.service-detail-card p{font-size:14px;color:var(--gray-400);line-height:1.6;margin-bottom:14px}
.service-detail-card ul{list-style:none}
.service-detail-card li{font-size:14px;color:var(--gray-500);padding:5px 0 5px 18px;position:relative;line-height:1.5}
.service-detail-card li::before{content:'·';position:absolute;left:2px;color:var(--accent);font-weight:700;font-size:16px;top:4px}

/* Page header — brand gradient */
.page-header{padding:80px 0 48px;text-align:center;position:relative;overflow:hidden}
.page-header.brand{background:var(--gradient-dark);color:var(--white)}
.page-header.brand::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(78,205,196,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0,119,182,0.10) 0%, transparent 50%);
  pointer-events:none}
.page-header.brand .section-label{color:rgba(255,255,255,0.5)}
.page-header.brand h1{color:var(--white)}
.page-header.brand p{color:rgba(255,255,255,0.7)}

.page-header.light{background:var(--gray-50);border-bottom:1px solid var(--gray-150)}
.page-header.light .section-label{margin-bottom:8px}
.page-header.light h1{font-size:44px;font-weight:700;letter-spacing:-0.003em;margin-bottom:10px;color:var(--black)}
.page-header.light p{font-size:18px;color:var(--gray-400)}

/* About */
.about-content{max-width:700px;margin:0 auto 56px}
.about-content p{font-size:16px;color:var(--gray-500);line-height:1.8;margin-bottom:18px}
.about-content strong{color:var(--black);font-weight:600}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--gray-150);border-bottom:1px solid var(--gray-150)}
.about-stat{text-align:center;padding:28px 12px;position:relative}
.about-stat:not(:last-child)::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:44px;background:var(--gray-200)}

/* Contact — premium */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.contact-info h3,.contact-form h3{font-size:22px;font-weight:600;margin-bottom:28px;color:var(--black)}
.contact-info-item{display:flex;gap:16px;margin-bottom:28px;padding:12px 16px;border-radius:12px;transition:background var(--transition-fast)}
.contact-info-item:hover{background:var(--gray-100)}
.contact-info-icon{font-size:28px;flex-shrink:0;margin-top:2px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(78,205,196,0.1)}
.contact-info-text h4{font-size:16px;font-weight:600;margin-bottom:4px;color:var(--black)}
.contact-info-text p{font-size:14px;color:var(--gray-400);line-height:1.6}
.phone-large{font-size:24px;font-weight:700;color:var(--accent)!important;letter-spacing:0.02em}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--gray-500);margin-bottom:8px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:13px 16px;font-size:15px;font-family:var(--font-stack);border:1px solid var(--gray-150);border-radius:12px;background:var(--gray-50);color:var(--black);transition:all var(--transition-fast);outline:none;-webkit-appearance:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--teal);background:var(--white);box-shadow:0 0 0 4px rgba(78,205,196,0.1)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--gray-200)}
.form-group textarea{resize:vertical;min-height:120px}
.form-group select{background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2386868b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:44px}
.btn-primary{display:inline-block;background:var(--gradient-main);color:var(--white);padding:14px 32px;border-radius:var(--radius-button);font-size:15px;font-weight:500;border:none;cursor:pointer;transition:all var(--transition);font-family:var(--font-stack);box-shadow:0 4px 12px rgba(0,119,182,0.2)}
.btn-primary:hover{opacity:0.92;transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,119,182,0.3)}

/* Footer — Apple style */
.footer{padding:28px 0;background:var(--gray-50);border-top:1px solid var(--gray-150);text-align:center}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px}
.footer-logo{height:32px;width:auto;border-radius:2px}
.footer-brand-name{font-size:15px;font-weight:600;color:var(--black);background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-nav{display:flex;justify-content:center;gap:20px;margin-bottom:12px}
.footer-nav a{font-size:12px;color:var(--gray-300);transition:color var(--transition-fast)}
.footer-nav a:hover{color:var(--accent)}
.footer-copyright{font-size:11px;color:var(--gray-200);margin-bottom:4px}
.footer-contact{font-size:11px;color:var(--gray-300)}
.footer-contact a{color:var(--gray-400);transition:color var(--transition-fast)}
.footer-contact a:hover{color:var(--accent)}
.icp{font-size:12px;color:var(--gray-500);margin-top:8px}
.icp a{color:var(--gray-300);transition:color var(--transition-fast)}
.icp a:hover{color:var(--accent)}
.footer-police{font-size:11px;color:var(--gray-400);margin-top:2px}
.footer-police a{color:var(--gray-300);transition:color var(--transition-fast)}
.footer-police a:hover{color:var(--accent)}

/* Chat widget v2 */
/* 按钮 */
#chatbot-btn{position:fixed;bottom:24px;right:24px;width:54px;height:54px;border-radius:50%;background:var(--gradient-main);color:var(--white);border:none;font-size:22px;cursor:pointer;box-shadow:0 4px 20px rgba(0,119,182,0.3);transition:all var(--transition);z-index:999;display:flex;align-items:center;justify-content:center}
#chatbot-btn:hover{opacity:0.9;transform:scale(1.05)}
#chatbot-btn .chatbot-btn-close{display:none}
#chatbot-btn.active .chatbot-btn-icon{display:none}
/* ===== 小易智能客服标签 ===== */
#chatbot-btn-wrap{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;align-items:center;flex-direction:row-reverse;gap:12px}
#chatbot-btn-label{background:var(--gradient-main);color:var(--white);padding:8px 16px;border-radius:20px;font-size:14px;font-weight:600;box-shadow:0 4px 20px rgba(0,119,182,0.25);white-space:nowrap;cursor:default;animation:labelPulse 2s ease-in-out infinite}
@keyframes labelPulse{0%,100%{opacity:1}50%{opacity:0.85}}
#chatbot-btn-wrap.active #chatbot-btn-label{display:none}
#chatbot-btn.active .chatbot-btn-close{display:inline}

/* 面板 */
#chatbot-panel{position:fixed;bottom:88px;right:24px;width:354px;height:500px;background:var(--white);border-radius:var(--radius-card);box-shadow:0 8px 40px rgba(0,0,0,0.12);display:none;flex-direction:column;z-index:999;overflow:hidden;border:1px solid var(--gray-150)}
#chatbot-panel.open{display:flex}

/* 头部 */
.chatbot-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--gradient-main);color:var(--white);flex-shrink:0}
.chatbot-header-info{display:flex;align-items:center;gap:10px}
.chatbot-header-avatar{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;font-size:18px}
.chatbot-header-title{font-size:15px;font-weight:600}
.chatbot-header-status{font-size:11px;opacity:0.8}
.chatbot-close-btn{background:none;border:none;color:var(--white);font-size:18px;cursor:pointer;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:5px;transition:background var(--transition-fast)}
.chatbot-close-btn:hover{background:rgba(255,255,255,0.15)}

/* 消息区 */
#chatbot-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--gray-50);scroll-behavior:smooth}
.chatbot-msg{max-width:100%;animation:msgIn .2s ease-out}
.chatbot-msg-bubble{padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.6;max-width:85%;word-wrap:break-word;overflow-wrap:break-word}
.chatbot-msg.bot .chatbot-msg-bubble{background:var(--white);color:var(--black);align-self:flex-start;border:1px solid var(--gray-150);border-bottom-left-radius:4px}
.chatbot-msg.user .chatbot-msg-bubble{background:var(--gradient-main);color:var(--white);align-self:flex-end;border-bottom-right-radius:4px;float:right}
.chatbot-msg.user{display:flex;flex-direction:row-reverse}
.chatbot-msg.bot .chatbot-msg-bubble strong{color:#0077B6}
.chatbot-msg-label{font-size:11px;color:var(--teal);font-weight:600;margin-bottom:3px;padding-left:2px}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* 快捷问题 */
#chatbot-quick{display:flex;flex-wrap:wrap;gap:6px;padding:8px 14px 0;flex-shrink:0}
.chatbot-quick-btn{background:var(--white);border:1px solid var(--accent);color:var(--accent);border-radius:14px;padding:5px 11px;font-size:12px;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.chatbot-quick-btn:hover{background:var(--accent);color:var(--white)}

/* 输入区 */
.chatbot-input-wrap{display:flex;gap:8px;padding:10px 14px;border-top:1px solid var(--gray-150);background:var(--white);flex-shrink:0}
#chatbot-input{flex:1;border:1px solid var(--gray-200);border-radius:var(--radius-button);padding:9px 14px;font-size:14px;font-family:var(--font-stack);outline:none;transition:border-color var(--transition-fast);resize:none;max-height:120px;line-height:1.4}
#chatbot-input:focus{border-color:var(--accent)}
#chatbot-send{width:52px;height:36px;border-radius:var(--radius-button);background:var(--gradient-main);color:var(--white);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px;font-weight:500;transition:opacity var(--transition-fast)}
#chatbot-send:hover{opacity:0.9}
#chatbot-send:disabled{opacity:0.4;cursor:not-allowed}

/* 打字中动画 */
.chatbot-msg.bot.typing .chatbot-msg-bubble{padding:10px 14px;min-width:50px}
.typing-dots{display:flex;gap:4px;align-items:center}
.typing-dots span{width:6px;height:6px;border-radius:50%;background:var(--gray-300);animation:typingAnim 1.4s infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}
@keyframes typingAnim{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* 响应式 */
@media(max-width:480px){
  #chatbot-panel{width:calc(100vw - 28px);height:55vh;right:14px;bottom:80px}
  .chatbot-quick-btn{font-size:11px;padding:4px 9px}
}@media(max-width:834px){
  .hero h1{font-size:40px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .section-title{font-size:32px}
  .cta-banner h2{font-size:30px}
  .page-header h1{font-size:36px}
  .process-steps{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .nav-links{display:none;position:fixed;top:var(--nav-height);left:0;right:0;background:rgba(255,255,255,0.97);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;gap:0;border-bottom:1px solid var(--gray-150);padding:8px 0;box-shadow:0 4px 12px rgba(0,0,0,0.06)}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:13px 22px;font-size:15px;border-bottom:1px solid var(--gray-150);color:var(--gray-500)}
  .nav-links a:last-child{border-bottom:none}
  .nav-toggle{display:block}
  .section{padding:60px 0}
  .section-title{font-size:28px}
  .section-subtitle{font-size:16px}
  .section-header{margin-bottom:40px}
  .hero{padding:60px 0 48px}
  .hero h1{font-size:30px}
  .hero-subtitle{font-size:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:0}
  .stat-item:nth-child(2)::after{display:none}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid var(--gray-200)}
  .stat-item:nth-child(3)::after{display:none}
  .stat-number{font-size:28px}
  .services-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr;max-width:400px;margin:0 auto}
  .process-step{padding:28px 16px}
  .features-grid{grid-template-columns:1fr}
  .service-detail-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .about-stats{grid-template-columns:1fr}
  .about-stat:not(:last-child)::after{display:none}
  .about-stat:not(:last-child){border-bottom:1px solid var(--gray-150)}
  .page-header{padding:60px 0 36px}
  .page-header h1{font-size:28px}
  .cta-banner{padding:60px 0}
  .cta-banner h2{font-size:24px}
  .cta-phone{font-size:26px}
  .chatbot-panel{width:calc(100vw - 28px);height:55vh;right:14px;bottom:80px}
  .footer-nav{gap:14px;flex-wrap:wrap}
}

@media(max-width:480px){
  .hero h1{font-size:26px}
  .hero{padding:48px 0 36px}
  .container{padding:0 16px}
  .nav-inner{padding:0 16px}
  .stats{padding:32px 0}
}

/* ============================================
   Print-friendly styles
   ============================================ */
@media print{
  body{padding-top:0;font-size:12px;color:#000;background:#fff}
  .nav,.footer,.chatbot-btn,#chatbot-btn,#chatbot-btn-wrap,#chatbot-panel,.nav-toggle,.hero-actions,.cta-banner,.hero-cta,.hero-cta-secondary{display:none!important}
  .container{max-width:100%;padding:0;margin:0}
  .section{padding:20px 0}
  .page-header{padding:20px 0 10px}
  .page-header.brand{background:none!important;color:#000!important}
  .page-header.brand h1{color:#000!important}
  .page-header.brand p{color:#555!important}
  .page-header.brand .section-label{color:#888!important}
  .section-title{-webkit-text-fill-color:#000;background:none;color:#000}
  .services-grid,.process-steps,.features-grid,.stats-grid,.contact-grid,.service-detail-grid,.about-stats{break-inside:avoid}
  .service-card,.process-step,.contact-info-item{box-shadow:none;border:1px solid #ddd;page-break-inside:avoid;break-inside:avoid}
  a{color:#000;text-decoration:underline}
  .hero-logo-img{max-width:180px}
  .phone-large{color:#000!important}
  .stat-number{-webkit-text-fill-color:#000;background:none;color:#000}
  .hero-name{-webkit-text-fill-color:#000;background:none;color:#000}
  .footer-brand-name{-webkit-text-fill-color:#000;background:none;color:#000}
  .hero-logo-img,.hero-brand{margin:0 auto}
  .stat-item:not(:last-child)::after{background:#ccc}
}