/* ==================== CSS Variables ==================== */
:root {
  --navy:#1B2B57;--navy-dark:#0F1A3A;--navy-mid:#233566;--navy-light:#2C3F6B;
  --gold:#BEA672;--gold-light:#D4C08A;--gold-bright:#E8D5A3;
  --gradient-gold:linear-gradient(135deg,#BEA672,#D4C08A);
  --gradient-hero:linear-gradient(135deg,#0F1A3A 0%,#1B2B57 40%,#233566 100%);
  --gradient-card-edge:linear-gradient(180deg,#BEA672,#D4C08A);
  --text-white:#FFFFFF;--text-muted:rgba(255,255,255,0.7);
  --text-body:#1E293B;--text-secondary:#475569;--text-light:#94A3B8;
  --bg-page:#F8F9FC;--bg-card:#FFFFFF;--bg-dark:#1B2B57;
  --border-light:#E2E8F0;
  --shadow-card:rgba(50,50,93,0.06) 0px 4px 12px -2px,rgba(0,0,0,0.04) 0px 2px 4px;
  --shadow-card-hover:rgba(50,50,93,0.10) 0px 20px 40px -8px,rgba(0,0,0,0.06) 0px 8px 16px -8px;
  --shadow-drawer:-8px 0 30px rgba(0,0,0,0.12);
  --radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:999px;
  --ease-spring:cubic-bezier(0.16,1,0.3,1);--ease-smooth:cubic-bezier(0.4,0,0.2,1);
  --content-max:1200px;--nav-h:64px;
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
}
/* ==================== Reset ==================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{background:var(--bg-page);color:var(--text-body);line-height:1.6;overflow-x:hidden;font-size:15px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:inherit}
input,textarea{font-family:inherit}
ul{list-style:none}
/* ==================== Navigation ==================== */
#navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);transition:all .3s var(--ease-smooth)}
#navbar.scrolled{background:rgba(255,255,255,0.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-light);box-shadow:0 1px 4px rgba(0,0,0,0.04)}
.nav-inner{max-width:var(--content-max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 24px}
.nav-logo{font-size:18px;font-weight:700;color:var(--text-white);display:flex;align-items:center;gap:6px;transition:color .3s}
.nav-logo span{font-size:22px}
.nav-logo-img{width:22px;height:22px;border-radius:4px;flex-shrink:0;object-fit:contain}
#navbar.scrolled .nav-logo{color:var(--text-body)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{padding:6px 14px;font-size:14px;font-weight:500;color:var(--text-muted);border-radius:var(--radius-sm);transition:all .2s;position:relative}
#navbar.scrolled .nav-link{color:var(--text-secondary)}
.nav-link:hover{color:var(--gold)}
#navbar.scrolled .nav-link:hover{color:var(--gold)}
.nav-link.active{color:var(--gold)}
#navbar.scrolled .nav-link.active{color:var(--gold)}
.nav-link.nav-cta{background:var(--gradient-gold);color:var(--navy) !important;padding:6px 16px;border-radius:var(--radius-full);font-weight:600;margin-left:4px}
.nav-link.nav-cta:hover{opacity:0.9}
.nav-hamburger{display:none;background:none;border:none;color:var(--text-white);font-size:22px;padding:4px;transition:color .3s}
#navbar.scrolled .nav-hamburger{color:var(--text-body)}
/* Mobile Nav Drawer */
.nav-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,0.4);opacity:0;pointer-events:none;transition:opacity .25s}
.nav-overlay.open{opacity:1;pointer-events:auto}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:280px;z-index:201;background:var(--bg-card);padding:20px 24px;transform:translateX(100%);transition:transform .3s var(--ease-smooth);box-shadow:var(--shadow-drawer)}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer-close{background:none;border:none;font-size:20px;color:var(--text-light);float:right;padding:4px}
.nav-drawer-link{display:block;padding:12px 0;font-size:16px;font-weight:500;color:var(--text-body);border-bottom:1px solid var(--border-light)}
.nav-drawer-link:last-child{border-bottom:none}
.nav-drawer-link.nav-cta{background:var(--gradient-gold);color:var(--navy);padding:10px 16px;border-radius:var(--radius-md);text-align:center;margin-top:16px;font-weight:600}
/* ==================== Hero ==================== */
#hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--gradient-hero);padding:80px 24px 60px}
.hero-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.particle{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(190,166,114,0.3),rgba(190,166,114,0.05));animation:floatUp linear infinite}
.p1{width:80px;height:80px;left:10%;bottom:-80px;animation-duration:14s}
.p2{width:50px;height:50px;left:25%;bottom:-50px;animation-duration:20s;animation-delay:-3s}
.p3{width:120px;height:120px;left:50%;bottom:-120px;animation-duration:16s;animation-delay:-7s}
.p4{width:40px;height:40px;left:70%;bottom:-40px;animation-duration:22s;animation-delay:-5s}
.p5{width:90px;height:90px;left:85%;bottom:-90px;animation-duration:18s;animation-delay:-10s}
.p6{width:30px;height:30px;left:40%;bottom:-30px;animation-duration:24s;animation-delay:-2s}
@keyframes floatUp{from{transform:translateY(0) rotate(0deg) scale(0.6);opacity:0}20%{opacity:1}80%{opacity:0.6}to{transform:translateY(-110vh) rotate(720deg) scale(1);opacity:0}}
.hero-content{position:relative;z-index:1;text-align:center;max-width:680px}
.hero-logo{font-size:56px;margin-bottom:16px;display:inline-block;animation:logoFloat 3s ease-in-out infinite}
@keyframes logoFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-title{font-size:48px;font-weight:700;color:var(--text-white);line-height:1.2;margin-bottom:12px}
.hero-subtitle{font-size:18px;color:var(--text-muted);margin-bottom:8px;line-height:1.6}
.hero-actions{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-full);font-size:16px;font-weight:600;border:none;cursor:pointer;background:var(--gradient-gold);color:var(--navy);transition:all .25s var(--ease-spring);box-shadow:0 4px 16px rgba(190,166,114,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(190,166,114,0.45)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-full);font-size:16px;font-weight:500;border:1.5px solid rgba(255,255,255,0.3);cursor:pointer;background:transparent;color:var(--text-white);transition:all .25s var(--ease-spring)}
.btn-secondary:hover{border-color:var(--gold);color:var(--gold);background:rgba(190,166,114,0.08)}
.scroll-indicator{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;color:rgba(255,255,255,0.35);font-size:11px;animation:bounceDown 2s ease-in-out infinite}
.scroll-arrow{width:16px;height:16px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
@keyframes bounceDown{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}
/* ==================== Section Common ==================== */
section{padding:80px 24px}
.section-inner{max-width:var(--content-max);margin:0 auto}
.section-title{font-size:32px;font-weight:700;color:var(--text-body);text-align:center;margin-bottom:8px}
.section-subtitle{font-size:16px;color:var(--text-secondary);text-align:center;margin-bottom:48px;line-height:1.5}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--gold-light),transparent);opacity:0.25;margin:0}
.section-bg-alt{background:var(--bg-page)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease-spring),transform .6s var(--ease-spring)}
.reveal.visible{opacity:1;transform:translateY(0)}
/* ==================== About ==================== */
#about{background:var(--bg-card)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:16px}
.about-mission{border-left:3px solid var(--gold);padding-left:20px}
.about-mission blockquote{font-size:22px;font-weight:600;color:var(--navy);line-height:1.4;margin-bottom:16px}
.about-mission p{font-size:15px;color:var(--text-secondary);line-height:1.8}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat-card{text-align:center;padding:24px 12px;border-radius:var(--radius-md);background:var(--bg-page)}
.stat-number{font-size:40px;font-weight:700;color:var(--gold);line-height:1}
.stat-label{font-size:13px;color:var(--text-secondary);margin-top:8px}
.about-values{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:32px}
.value-card{padding:16px 20px;border-radius:var(--radius-md);border:1px solid var(--border-light);display:flex;align-items:flex-start;gap:12px}
.value-icon{font-size:24px;flex-shrink:0;margin-top:2px}
.value-text h4{font-size:15px;font-weight:600;color:var(--text-body);margin-bottom:4px}
.value-text p{font-size:13px;color:var(--text-secondary)}
/* ==================== Products ==================== */
#products{background:var(--bg-page)}
.products-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:900px;margin:0 auto}
.product-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px 24px;border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:all .3s var(--ease-spring);position:relative;overflow:hidden}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease-smooth)}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.product-card:hover::before{transform:scaleX(1)}
.product-icon{width:44px;height:44px;margin-bottom:14px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:linear-gradient(135deg,rgba(190,166,114,0.12),rgba(190,166,114,0.04));font-size:24px}
.product-card h3{font-size:17px;font-weight:600;color:var(--text-body);margin-bottom:4px}
.product-card .product-tag{font-size:12px;color:var(--text-light);margin-bottom:10px}
.product-card ul{list-style:none;padding:0}
.product-card ul li{position:relative;padding-left:14px;margin-bottom:6px;font-size:13px;color:var(--text-secondary);line-height:1.5}
.product-card ul li::before{content:'·';position:absolute;left:2px;color:var(--gold);font-weight:700}
/* ==================== Advantages ==================== */
#advantages{background:var(--bg-card)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.adv-card{text-align:center;padding:32px 16px;border-radius:var(--radius-md);transition:all .3s var(--ease-spring)}
.adv-card:hover{background:var(--bg-page);transform:translateY(-2px)}
.adv-icon{font-size:36px;margin-bottom:12px;display:block}
.adv-card h4{font-size:16px;font-weight:600;color:var(--text-body);margin-bottom:6px}
.adv-card p{font-size:13px;color:var(--text-secondary);line-height:1.5}
/* ==================== Scenarios ==================== */
#scenarios{background:var(--bg-page)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:all .3s var(--ease-spring)}
.scenario-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.scenario-head{padding:24px 24px 16px;display:flex;align-items:center;gap:12px}
.scenario-icon{font-size:32px}
.scenario-head h3{font-size:17px;font-weight:600;color:var(--text-body)}
.scenario-body{padding:0 24px 20px}
.scenario-body p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}
.scenario-features{display:flex;flex-wrap:wrap;gap:6px}
.scenario-tag{padding:3px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:500;background:linear-gradient(135deg,rgba(190,166,114,0.1),rgba(190,166,114,0.05));color:var(--gold)}
.scenario-more{display:inline-block;margin-top:12px;font-size:13px;color:var(--gold);font-weight:500;cursor:pointer;transition:color .15s}
.scenario-more:hover{color:var(--navy)}
/* Scenario Modal */
.scenario-modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.scenario-modal.open{display:flex}
.scenario-modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.45);backdrop-filter:blur(4px)}
.scenario-modal-card{position:relative;background:var(--bg-card);border-radius:var(--radius-lg);padding:32px;max-width:480px;width:100%;animation:modalIn .3s var(--ease-spring)}
@keyframes modalIn{from{opacity:0;transform:scale(0.92) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}
.scenario-modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:22px;color:var(--text-light);padding:4px}
.scenario-modal h3{font-size:20px;font-weight:600;color:var(--text-body);margin-bottom:12px}
.scenario-modal p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.scenario-modal .feature-list{display:flex;flex-wrap:wrap;gap:8px}
.scenario-modal .feature-list span{padding:6px 14px;border-radius:var(--radius-full);background:var(--bg-page);font-size:13px;color:var(--text-body)}
/* ==================== FAQ ==================== */
#faq{background:var(--bg-card)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:var(--gold-light)}
.faq-question{padding:14px 18px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:500;color:var(--text-body);user-select:none;gap:12px}
.faq-toggle{width:18px;height:18px;flex-shrink:0;transition:transform .3s var(--ease-smooth);color:var(--text-light)}
.faq-item.open .faq-toggle{transform:rotate(180deg);color:var(--gold)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s var(--ease-smooth)}
.faq-answer-inner{padding:0 18px 14px;font-size:13px;line-height:1.7;color:var(--text-secondary)}
.faq-item.open .faq-answer{max-height:300px}
/* ==================== Consult Section (dual mode) ==================== */
#consult{background:var(--bg-page);padding-bottom:80px}
.consult-container{max-width:800px;margin:0 auto}
.consult-tabs{display:flex;gap:0;margin-bottom:0;background:var(--bg-card);border-radius:var(--radius-lg) var(--radius-lg) 0 0;overflow:hidden;border:1px solid var(--border-light);border-bottom:none}
.consult-tab{flex:1;padding:14px 16px;font-size:14px;font-weight:500;border:none;background:var(--bg-surface);color:var(--text-secondary);transition:all .2s;position:relative}
.consult-tab.active{background:var(--bg-card);color:var(--navy);font-weight:600}
.consult-tab.active::after{content:'';position:absolute;bottom:0;left:20%;right:20%;height:2px;background:var(--gradient-gold);border-radius:2px}
.consult-tab:hover:not(.active){color:var(--gold);background:rgba(190,166,114,0.04)}
.consult-panel{display:none;background:var(--bg-card);border:1px solid var(--border-light);border-top:none;border-radius:0 0 var(--radius-lg) var(--radius-lg);min-height:400px}
.consult-panel.active{display:flex;flex-direction:column}
/* AI Chat Panel */
.consult-chat{display:flex;flex-direction:column;height:460px}
.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:0;scroll-behavior:smooth}
.chat-welcome{padding:16px;text-align:center;color:var(--text-secondary);font-size:13px;line-height:1.6}
.chat-welcome p{margin-bottom:4px}
.quick-prompts{display:flex;flex-wrap:wrap;gap:6px;padding:8px 16px 4px;border-top:1px solid var(--border-light)}
.quick-btn{padding:5px 12px;border-radius:var(--radius-full);border:1px solid var(--border-light);background:var(--bg-page);font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .15s}
.quick-btn:hover{border-color:var(--gold);color:var(--gold);background:rgba(190,166,114,0.06)}
.quick-btn:active{transform:scale(0.96)}
.chat-input-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;border-top:1px solid var(--border-light);background:var(--bg-card)}
.chat-input{flex:1;height:40px;border:1px solid var(--border-light);border-radius:var(--radius-full);padding:0 14px;font-size:13px;outline:none;transition:border-color .2s}
.chat-input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(190,166,114,0.12)}
.send-btn{width:38px;height:38px;border-radius:50%;border:none;background:var(--gradient-gold);color:var(--navy);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.send-btn:hover{transform:scale(1.05);box-shadow:0 2px 8px rgba(190,166,114,0.3)}
.send-btn:disabled{opacity:0.4;cursor:not-allowed;transform:none;box-shadow:none}
.send-btn.loading{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* Message Bubbles */
.msg-ai{display:flex;gap:8px;margin-bottom:10px;max-width:90%;align-self:flex-start}
.msg-ai-avatar{width:28px;height:28px;border-radius:50%;background:var(--gradient-gold);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;color:var(--navy)}
.msg-ai-avatar-img{width:28px;height:28px;border-radius:50%;object-fit:cover;flex-shrink:0;border:1px solid rgba(190,166,114,0.3)}
.msg-ai-content{background:#F1F4F9;border-radius:0 10px 10px 10px;padding:8px 12px;font-size:13px;line-height:1.6;color:var(--text-body);white-space:pre-wrap}
.msg-user{display:flex;justify-content:flex-end;margin-bottom:10px}
.msg-user-content{background:var(--navy);color:#fff;border-radius:10px 0 10px 10px;padding:8px 12px;font-size:13px;line-height:1.6;max-width:80%;white-space:pre-wrap}
.typing .msg-ai-content::after{content:'▍';animation:blink 1s step-end infinite;color:var(--gold)}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.msg-error .msg-ai-content{background:#FEF2F2;color:#991B1B}
.retry-btn{display:inline-block;margin-top:6px;padding:4px 10px;font-size:11px;border:1px solid var(--gold);border-radius:var(--radius-full);background:transparent;color:var(--gold);cursor:pointer}
.retry-btn:hover{background:rgba(190,166,114,0.08)}
.transfer-card{padding:10px 14px;background:#F0F7FF;border-radius:10px;font-size:12px;color:var(--text-secondary);line-height:1.5;margin-bottom:10px}
.transfer-card .btn-contact{display:inline-block;margin-top:6px;padding:6px 14px;border-radius:var(--radius-full);border:none;background:var(--gradient-gold);color:var(--navy);font-size:12px;font-weight:600;cursor:pointer}
.transfer-card .or{display:inline-block;margin:0 6px;color:var(--text-light)}
/* Contact Form */
.consult-form{padding:24px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-body);margin-bottom:4px}
.form-group label .required{color:#DC2626;margin-left:2px}
.form-group input,.form-group textarea{width:100%;height:40px;border:1px solid var(--border-light);border-radius:var(--radius-md);padding:0 12px;font-size:14px;outline:none;transition:border-color .2s}
.form-group textarea{height:80px;padding:10px 12px;resize:vertical}
.form-group input:focus,.form-group textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(190,166,114,0.12)}
.form-group .field-error{border-color:#DC2626 !important}
.form-error-msg{font-size:12px;color:#DC2626;margin-top:2px;display:none}
.form-group .field-error + .form-error-msg{display:block}
.form-checkbox{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary);margin-bottom:16px}
.form-checkbox input{width:15px;height:15px;accent-color:var(--gold);cursor:pointer}
.form-checkbox a{color:var(--gold);text-decoration:underline}
.submit-btn{width:100%;height:44px;border:none;border-radius:var(--radius-md);background:var(--gradient-gold);color:var(--navy);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 2px 8px rgba(190,166,114,0.25)}
.submit-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(190,166,114,0.35)}
.submit-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none;box-shadow:none}
.form-success{display:none;text-align:center;padding:48px 24px}
.form-success.show{display:block}
.form-success .success-icon{font-size:48px;margin-bottom:12px}
.form-success h3{font-size:20px;font-weight:600;color:var(--text-body);margin-bottom:8px}
.form-success p{font-size:14px;color:var(--text-secondary);margin-bottom:20px}
.form-success .btn-back{padding:10px 24px;border-radius:var(--radius-full);border:none;background:var(--gradient-gold);color:var(--navy);font-size:14px;font-weight:600;cursor:pointer}
/* ==================== Footer ==================== */
footer{background:var(--navy);padding:48px 24px 24px;color:var(--text-muted)}
.footer-inner{max-width:var(--content-max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:40px}
.footer-brand .footer-logo{font-size:20px;font-weight:700;color:var(--text-white);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.footer-logo-img{width:22px;height:22px;border-radius:4px;flex-shrink:0;object-fit:contain}
.footer-brand p{font-size:13px;line-height:1.7;max-width:320px}
.footer-contact h4{font-size:14px;font-weight:600;color:var(--gold);margin-bottom:12px}
.footer-contact p{font-size:13px;margin-bottom:4px;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);margin-top:32px;padding-top:16px;text-align:center;font-size:12px;color:rgba(255,255,255,0.35)}
/* ==================== FAB + Drawer ==================== */
.consult-fab{position:fixed;bottom:24px;right:24px;z-index:99;width:52px;height:52px;border-radius:50%;border:none;background:var(--gradient-gold);color:var(--navy);font-size:22px;cursor:pointer;box-shadow:0 4px 16px rgba(190,166,114,0.4);transition:all .3s var(--ease-spring);display:flex;align-items:center;justify-content:center}
.consult-fab:hover{transform:scale(1.08);box-shadow:0 8px 24px rgba(190,166,114,0.5)}
.consult-fab::before{content:'';position:absolute;inset:-3px;border-radius:50%;border:2px solid rgba(190,166,114,0.25);animation:pulseRing 2s ease-out infinite}
@keyframes pulseRing{0%{transform:scale(1);opacity:1}100%{transform:scale(1.2);opacity:0}}
.consult-overlay{position:fixed;inset:0;z-index:500;background:rgba(0,0,0,0.35);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .25s}
.consult-overlay.open{opacity:1;pointer-events:auto}
.consult-drawer{position:fixed;top:0;right:0;bottom:0;width:380px;z-index:501;background:var(--bg-card);box-shadow:var(--shadow-drawer);transform:translateX(100%);transition:transform .3s var(--ease-smooth);display:flex;flex-direction:column}
.consult-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-light);flex-shrink:0}
.drawer-head h3{font-size:15px;font-weight:600;color:var(--text-body);display:flex;align-items:center;gap:6px}
.drawer-close{background:none;border:none;font-size:18px;color:var(--text-light);padding:4px}
.drawer-body{flex:1;display:flex;flex-direction:column;overflow:hidden}
.drawer-tabs{display:flex;border-bottom:1px solid var(--border-light);flex-shrink:0}
.drawer-tab{flex:1;padding:10px;font-size:13px;font-weight:500;border:none;background:none;color:var(--text-secondary);transition:all .2s}
.drawer-tab.active{color:var(--navy);font-weight:600;border-bottom:2px solid var(--gold)}
.drawer-panel{display:none;flex:1;flex-direction:column;overflow:hidden}
.drawer-panel.active{display:flex}
.drawer-chat{display:flex;flex-direction:column;height:100%}
.drawer-messages{flex:1;overflow-y:auto;padding:16px;-webkit-overflow-scrolling:touch}
.drawer-form{padding:20px;overflow-y:auto;-webkit-overflow-scrolling:touch}
/* ==================== Responsive ==================== */
@media(max-width:1023px){
  .nav-links .nav-link{display:none}
  .nav-hamburger{display:block}
  .hero-title{font-size:36px}
  .hero-subtitle{font-size:16px}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .about-stats{grid-template-columns:repeat(3,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .scenarios-grid{grid-template-columns:1fr;max-width:500px;margin:0 auto}
  .faq-grid{grid-template-columns:1fr}
  .consult-drawer{width:100%;border-radius:16px 16px 0 0;top:auto;bottom:0;right:0;left:0;max-height:85vh;transform:translateY(100%)}
  .consult-drawer.open{transform:translateY(0)}
}
@media(max-width:639px){
  section{padding:48px 16px}
  .hero-title{font-size:28px}
  .hero-subtitle{font-size:14px}
  .hero-logo{font-size:40px}
  .btn-primary,.btn-secondary{padding:12px 24px;font-size:14px}
  .section-title{font-size:26px}
  .section-subtitle{font-size:14px;margin-bottom:32px}
  .about-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat-number{font-size:32px}
  .stat-label{font-size:12px}
  .about-values{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}
  .adv-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .product-card{padding:20px}
  .footer-inner{grid-template-columns:1fr;gap:24px}
  .consult-fab{bottom:16px;right:16px;width:48px;height:48px;font-size:20px}
  .chat-input{font-size:15px}
  .consult-tab{font-size:13px;padding:12px 10px}
}
@media(min-width:1024px){
  .hero-title{font-size:52px}
  .hero-content{max-width:720px}
  .consult-drawer{border-radius:0}
}