*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#e8542b;--primary-dark:#c33f1c;--primary-light:#ff7a52;--accent:#f5a623;--accent-2:#7b5ea7;--bg:#ffffff;--bg-soft:#fdf7f4;--bg-glass:rgba(255,255,255,.72);--text:#221d1a;--text-soft:#5d534e;--border:#efe3dc;--border-strong:#e3d2c9;--shadow-sm:0 2px 10px rgba(232,84,43,.06);--shadow:0 10px 34px rgba(232,84,43,.14);--shadow-lg:0 24px 64px rgba(232,84,43,.2);--radius-sm:10px;--radius:16px;--radius-lg:24px;--grad-primary:linear-gradient(135deg,#e8542b 0%,#f5a623 100%);--grad-hero:linear-gradient(135deg,#fff5f0 0%,#fdece5 42%,#fff2e8 70%,#fff8f4 100%);--grad-glass:linear-gradient(135deg,rgba(255,255,255,.85),rgba(255,255,255,.55));--ease:cubic-bezier(.22,.61,.36,1)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;transition:background .35s var(--ease),color .35s var(--ease)}
img,svg{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
::selection{background:rgba(232,84,43,.18);color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;z-index:9999;border-radius:0 0 10px 0;font-weight:600}
.skip-link:focus{left:0;top:0}
/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.78);backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-bottom:1px solid rgba(239,227,220,.7);transition:box-shadow .3s var(--ease),background .3s var(--ease)}
.site-header.scrolled{box-shadow:0 6px 24px rgba(34,29,26,.08);background:rgba(255,255,255,.9)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;color:var(--text);letter-spacing:-.2px;line-height:1.2}
.logo:hover{color:var(--text)}
.logo-mark{width:42px;height:42px;border-radius:13px;background:var(--grad-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:800;flex-shrink:0;box-shadow:0 6px 16px rgba(232,84,43,.32);transition:transform .35s var(--ease)}
.logo:hover .logo-mark{transform:rotate(-8deg) scale(1.05)}
.logo small{display:block;font-size:10px;color:var(--text-soft);font-weight:500;letter-spacing:1.6px;margin-top:2px}
.main-nav ul{display:flex;gap:4px;align-items:center}
.main-nav a{color:var(--text);font-size:14.5px;font-weight:500;position:relative;padding:8px 12px;border-radius:9px;transition:color .25s var(--ease),background .25s var(--ease)}
.main-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-primary);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.main-nav a:hover{color:var(--primary);background:rgba(232,84,43,.06)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);font-weight:600}
.header-tools{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:6px 8px 6px 16px;gap:6px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease)}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(232,84,43,.1);background:#fff}
.search-box input{border:none;background:transparent;outline:none;font-size:14px;width:150px;color:var(--text)}
.search-box input::placeholder{color:var(--text-soft);opacity:.75}
.search-box button{border:none;background:var(--grad-primary);cursor:pointer;color:#fff;font-size:13px;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .25s var(--ease),box-shadow .25s var(--ease);flex-shrink:0}
.search-box button:hover{transform:scale(1.08);box-shadow:0 4px 12px rgba(232,84,43,.35)}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--bg);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .25s var(--ease);flex-shrink:0}
.icon-btn:hover{background:var(--bg-soft);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.icon-btn:active{transform:translateY(0) scale(.96)}
.menu-toggle{display:none}
/* ============ Hero ============ */
.hero{position:relative;background:var(--grad-hero);padding:84px 0 76px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none}
.hero::before{width:520px;height:520px;background:radial-gradient(circle,#ffd0bd,transparent 70%);top:-180px;right:-120px;animation:floatA 14s ease-in-out infinite}
.hero::after{width:420px;height:420px;background:radial-gradient(circle,#ffe2b8,transparent 70%);bottom:-160px;left:-100px;animation:floatB 18s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,40px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-30px)}}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-content{animation:fadeUp .8s var(--ease) both}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.9);border-radius:999px;padding:7px 18px;font-size:13px;color:var(--primary);font-weight:600;margin-bottom:22px;box-shadow:var(--shadow-sm)}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin-bottom:20px;letter-spacing:-1px}
.hero h1 span{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero p.lead{font-size:17px;color:var(--text-soft);margin-bottom:30px;max-width:560px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-weight:600;font-size:15px;transition:all .28s var(--ease);cursor:pointer;border:none;white-space:nowrap;position:relative;overflow:hidden}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:0 8px 22px rgba(232,84,43,.32)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.28),transparent 55%);opacity:0;transition:opacity .28s var(--ease)}
.btn-primary:hover{color:#fff;transform:translateY(-3px);box-shadow:0 14px 30px rgba(232,84,43,.4)}
.btn-primary:hover::after{opacity:1}
.btn-ghost{background:rgba(255,255,255,.8);color:var(--text);border:1px solid var(--border-strong);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(-1px) scale(.98)}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stat strong{display:block;font-size:30px;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;font-weight:800;line-height:1.2;letter-spacing:-.5px}
.hero-stat span{font-size:13px;color:var(--text-soft)}
.hero-visual{position:relative;animation:fadeUp .9s .15s var(--ease) both}
.hero-card{background:rgba(255,255,255,.82);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.9);transition:transform .4s var(--ease)}
.hero-card:hover{transform:translateY(-6px)}
.hero-card h3{font-size:16px;margin-bottom:18px;display:flex;align-items:center;gap:10px;font-weight:700}
.hero-card h3::before{content:"";width:4px;height:18px;background:var(--grad-primary);border-radius:3px}
.hero-list{display:flex;flex-direction:column;gap:12px}
.hero-list li{display:flex;align-items:center;gap:14px;padding:11px;border-radius:13px;background:rgba(253,247,244,.85);transition:transform .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);cursor:pointer}
.hero-list li:hover{transform:translateX(6px);background:#fff;box-shadow:var(--shadow-sm)}
.hero-list .thumb{width:50px;height:50px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;box-shadow:0 4px 12px rgba(232,84,43,.22)}
.hero-list .info strong{display:block;font-size:14px;font-weight:600;line-height:1.5}
.hero-list .info span{font-size:12px;color:var(--text-soft)}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
/* ============ Sections ============ */
section{padding:84px 0;position:relative}
.bg-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:780px;margin:0 auto 52px}
.section-head .eyebrow{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:14px;padding:5px 16px;background:rgba(232,84,43,.08);border-radius:999px}
.section-head h2{font-size:34px;font-weight:800;margin-bottom:16px;line-height:1.35;letter-spacing:-.6px}
.section-head p{color:var(--text-soft);font-size:16px;line-height:1.85}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:14px;padding:5px 16px;background:rgba(232,84,43,.08);border-radius:999px}
/* ============ About ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-text h2{font-size:32px;margin-bottom:20px;font-weight:800;letter-spacing:-.5px}
.about-text p{color:var(--text-soft);margin-bottom:16px;line-height:1.9}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.feature-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .3s var(--ease)}
.feature-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.feature-item strong{display:block;font-size:15px;margin-bottom:6px;color:var(--text);font-weight:700}
.feature-item span{font-size:13px;color:var(--text-soft);line-height:1.7;display:block}
.feature-item span a{font-weight:500}
.about-visual{background:var(--bg);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .4s var(--ease)}
.about-visual:hover{transform:translateY(-4px)}
.about-visual h3{font-size:18px;margin-bottom:22px;font-weight:700}
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(232,84,43,.15))}
.timeline li{position:relative;padding-bottom:22px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--primary);transition:transform .3s var(--ease),background .3s var(--ease)}
.timeline li:hover::before{transform:scale(1.25);background:var(--primary)}
.timeline strong{display:block;font-size:15px;color:var(--primary);font-weight:700;margin-bottom:2px}
.timeline span{font-size:13px;color:var(--text-soft);line-height:1.7}
/* ============ Products ============ */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;transition:all .35s var(--ease);position:relative;overflow:hidden}
.product-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad-primary);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.product-card::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(232,84,43,.09),transparent 70%);top:-80px;right:-80px;opacity:0;transition:opacity .4s var(--ease);pointer-events:none}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card:hover::before{transform:scaleX(1)}
.product-card:hover::after{opacity:1}
.product-icon{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,#fff0ea,#ffe6db);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:26px;transition:transform .35s var(--ease)}
.product-card:hover .product-icon{transform:scale(1.08) rotate(-5deg)}
.product-card h3{font-size:18px;margin-bottom:10px;font-weight:700}
.product-card p{font-size:14px;color:var(--text-soft);margin-bottom:16px;line-height:1.8}
.product-card ul{font-size:13px;color:var(--text-soft)}
.product-card ul li{padding-left:20px;position:relative;margin-bottom:8px;line-height:1.7}
.product-card ul li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}
/* ============ Scenarios ============ */
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scenario-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 22px;text-align:center;transition:all .35s var(--ease)}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.scenario-card .icon{width:68px;height:68px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,#fff0ea,#ffe6db);display:flex;align-items:center;justify-content:center;font-size:28px;transition:transform .35s var(--ease)}
.scenario-card:hover .icon{transform:scale(1.1) rotate(6deg)}
.scenario-card h3{font-size:16px;margin-bottom:8px;font-weight:700}
.scenario-card p{font-size:13px;color:var(--text-soft);line-height:1.75}
/* ============ Solutions ============ */
.solution-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.solution-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;display:flex;gap:22px;transition:all .35s var(--ease)}
.solution-item:hover{box-shadow:var(--shadow);border-color:transparent;transform:translateY(-4px)}
.solution-num{font-size:34px;font-weight:800;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;opacity:.35;line-height:1;flex-shrink:0;transition:opacity .3s var(--ease)}
.solution-item:hover .solution-num{opacity:.85}
.solution-item h3{font-size:18px;margin-bottom:8px;font-weight:700}
.solution-item p{font-size:14px;color:var(--text-soft);line-height:1.85}
/* ============ Cases ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .35s var(--ease)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-cover{height:160px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px;letter-spacing:2px;position:relative;overflow:hidden}
.case-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.18),transparent 60%);transition:opacity .35s var(--ease)}
.case-card:hover .case-cover::after{opacity:.6}
.case-body{padding:24px}
.case-body h3{font-size:17px;margin-bottom:10px;font-weight:700;line-height:1.5}
.case-body p{font-size:13px;color:var(--text-soft);margin-bottom:16px;line-height:1.8}
.case-meta{display:flex;gap:16px;font-size:12px;color:var(--text-soft);flex-wrap:wrap;padding-top:14px;border-top:1px solid var(--border)}
.case-meta span{display:flex;align-items:center;gap:4px}
/* ============ Testimonials ============ */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.testi-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;position:relative;transition:all .35s var(--ease)}
.testi-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.testi-card::before{content:"“";position:absolute;top:6px;right:24px;font-size:64px;color:var(--primary);opacity:.12;font-family:Georgia,serif;line-height:1}
.testi-card p{font-size:14px;color:var(--text-soft);margin-bottom:20px;position:relative;z-index:1;line-height:1.85}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-avatar{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.testi-user strong{display:block;font-size:14px;font-weight:700}
.testi-user span{font-size:12px;color:var(--text-soft)}
/* ============ Articles ============ */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.article-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;transition:all .35s var(--ease);display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.article-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:rgba(232,84,43,.09);padding:4px 14px;border-radius:999px;margin-bottom:16px;align-self:flex-start;transition:background .3s var(--ease),color .3s var(--ease)}
.article-card:hover .article-tag{background:var(--grad-primary);color:#fff}
.article-card h3{font-size:17px;margin-bottom:10px;line-height:1.55;font-weight:700;transition:color .25s var(--ease)}
.article-card:hover h3{color:var(--primary)}
.article-card p{font-size:13px;color:var(--text-soft);margin-bottom:18px;flex:1;line-height:1.8}
.article-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-soft);border-top:1px solid var(--border);padding-top:14px}
.article-meta a{font-weight:600;font-size:13px;transition:gap .25s var(--ease)}
/* ============ News ============ */
.news-list{display:flex;flex-direction:column;gap:16px;max-width:920px;margin:0 auto}
.news-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 28px;display:flex;gap:26px;align-items:center;transition:all .35s var(--ease)}
.news-item:hover{box-shadow:var(--shadow);border-color:transparent;transform:translateX(4px)}
.news-date{text-align:center;flex-shrink:0;padding-right:26px;border-right:1px solid var(--border);min-width:78px}
.news-date strong{display:block;font-size:26px;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;font-weight:800;line-height:1.1}
.news-date span{font-size:12px;color:var(--text-soft)}
.news-content h3{font-size:16px;margin-bottom:6px;font-weight:700;line-height:1.55}
.news-content p{font-size:13px;color:var(--text-soft);line-height:1.8}
/* ============ HowTo ============ */
.howto-wrap{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 44px;box-shadow:var(--shadow)}
.howto-intro{max-width:820px;margin:0 auto 40px;text-align:center}
.howto-intro h2{font-size:30px;margin-bottom:14px;font-weight:800;line-height:1.35;letter-spacing:-.5px}
.howto-intro p{color:var(--text-soft);line-height:1.85}
.steps{max-width:920px;margin:0 auto;counter-reset:step}
.steps li{counter-increment:step;position:relative;padding:0 0 32px 76px}
.steps li::before{content:counter(step);position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;background:var(--grad-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(232,84,43,.28);transition:transform .3s var(--ease)}
.steps li:hover::before{transform:scale(1.08)}
.steps li::after{content:"";position:absolute;left:25px;top:56px;bottom:0;width:2px;background:linear-gradient(180deg,var(--border),transparent)}
.steps li:last-child{padding-bottom:0}
.steps li:last-child::after{display:none}
.steps h4{font-size:17px;margin-bottom:8px;font-weight:700}
.steps p{font-size:14px;color:var(--text-soft);line-height:1.85}
.howto-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.note-box{background:var(--bg-soft);border-radius:var(--radius);padding:24px;transition:all .3s var(--ease)}
.note-box:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.note-box h4{font-size:15px;margin-bottom:12px;color:var(--primary);font-weight:700}
.note-box ul{font-size:13px;color:var(--text-soft)}
.note-box ul li{padding-left:16px;position:relative;margin-bottom:8px;line-height:1.7}
.note-box ul li::before{content:"•";position:absolute;left:0;color:var(--primary);font-weight:700}
/* ============ FAQ ============ */
.faq-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s var(--ease)}
.faq-item:hover{border-color:var(--border-strong)}
.faq-item.open{box-shadow:var(--shadow);border-color:transparent}
.faq-q{width:100%;text-align:left;background:transparent;border:none;padding:22px 26px;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;line-height:1.6;transition:color .25s var(--ease)}
.faq-q:hover{color:var(--primary)}
.faq-q .plus{width:30px;height:30px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .35s var(--ease),background .3s var(--ease),color .3s var(--ease);color:var(--primary);font-size:19px;font-weight:700;line-height:1}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--grad-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a-inner{padding:0 26px 24px;font-size:14px;color:var(--text-soft);line-height:1.9}
/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.contact-info,.contact-form{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:34px;transition:box-shadow .3s var(--ease)}
.contact-info:hover,.contact-form:hover{box-shadow:var(--shadow)}
.contact-info h3,.contact-form h3{font-size:20px;margin-bottom:24px;font-weight:700}
.contact-item{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start}
.contact-item:last-child{margin-bottom:0}
.contact-item .ci-icon{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#fff0ea,#ffe6db);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:19px;transition:transform .3s var(--ease)}
.contact-item:hover .ci-icon{transform:scale(1.08) rotate(-6deg)}
.contact-item strong{display:block;font-size:14px;margin-bottom:4px;font-weight:700}
.contact-item span{font-size:13px;color:var(--text-soft);line-height:1.75}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:12px;font-size:14px;font-family:inherit;outline:none;transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);background:var(--bg-soft);color:var(--text)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-soft);opacity:.7}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary);background:var(--bg);box-shadow:0 0 0 4px rgba(232,84,43,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.contact-form .btn{width:100%;margin-top:6px}
/* ============ Footer ============ */
.site-footer{background:#1e1917;color:#cfc4bf;padding:68px 0 0;margin-top:20px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:-140px;right:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(232,84,43,.16),transparent 70%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;border-bottom:1px solid #332b28;position:relative;z-index:1}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo small{color:#a89a94}
.footer-brand p{font-size:13px;line-height:1.9;margin-bottom:20px;color:#b3a49e}
.footer-social{display:flex;gap:12px}
.footer-social a{width:40px;height:40px;border-radius:12px;background:#2c2522;display:flex;align-items:center;justify-content:center;color:#cfc4bf;transition:all .3s var(--ease)}
.footer-social a:hover{background:var(--grad-primary);color:#fff;transform:translateY(-3px);box-shadow:0 8px 18px rgba(232,84,43,.35)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:20px;font-weight:700}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:#a89a94;font-size:13px;transition:color .25s var(--ease),padding-left .25s var(--ease)}
.footer-col a:hover{color:var(--primary-light);padding-left:4px}
.footer-bottom{padding:26px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:12px;color:#8a7d78;position:relative;z-index:1}
.footer-bottom a{color:#a89a94}
.footer-bottom a:hover{color:var(--primary-light)}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
/* ============ Back to top ============ */
.back-top{position:fixed;right:26px;bottom:26px;width:50px;height:50px;border-radius:50%;background:var(--grad-primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 24px rgba(232,84,43,.4);opacity:0;visibility:hidden;transform:translateY(20px) scale(.9);transition:all .35s var(--ease);z-index:900}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.back-top:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 30px rgba(232,84,43,.5)}
.back-top:active{transform:translateY(-2px) scale(.98)}
/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}
.reveal:nth-child(5){transition-delay:.24s}
.reveal:nth-child(6){transition-delay:.3s}
/* ============ Dark mode ============ */
body.dark{--bg:#151210;--bg-soft:#1e1a17;--bg-glass:rgba(30,26,23,.72);--text:#f2ebe7;--text-soft:#b0a39d;--border:#332b28;--border-strong:#443833;--shadow-sm:0 2px 10px rgba(0,0,0,.3);--shadow:0 10px 34px rgba(0,0,0,.45);--shadow-lg:0 24px 64px rgba(0,0,0,.55);--grad-hero:linear-gradient(135deg,#1e1a17 0%,#241c18 45%,#1f1714 70%,#1a1613 100%)}
body.dark .site-header{background:rgba(21,18,16,.82);border-bottom-color:rgba(51,43,40,.7)}
body.dark .site-header.scrolled{background:rgba(21,18,16,.94);box-shadow:0 6px 24px rgba(0,0,0,.5)}
body.dark .hero::before{background:radial-gradient(circle,rgba(232,84,43,.28),transparent 70%);opacity:.5}
body.dark .hero::after{background:radial-gradient(circle,rgba(245,166,35,.2),transparent 70%);opacity:.4}
body.dark .hero-badge{background:rgba(30,26,23,.85);border-color:rgba(51,43,40,.9)}
body.dark .hero-card{background:rgba(30,26,23,.8);border-color:rgba(51,43,40,.9)}
body.dark .hero-list li{background:rgba(44,37,34,.7)}
body.dark .hero-list li:hover{background:#2c2522}
body.dark .btn-ghost{background:rgba(30,26,23,.8);border-color:var(--border-strong);color:var(--text)}
body.dark .btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
body.dark .search-box{background:var(--bg-soft)}
body.dark .search-box:focus-within{background:#241f1c}
body.dark .icon-btn{background:var(--bg-soft);border-color:var(--border)}
body.dark .product-icon,body.dark .scenario-card .icon,body.dark .contact-item .ci-icon{background:linear-gradient(135deg,#2c2522,#332925)}
body.dark .faq-q .plus{background:#2c2522}
body.dark .article-tag{background:rgba(232,84,43,.16)}
body.dark .section-head .eyebrow,body.dark .eyebrow{background:rgba(232,84,43,.16)}
body.dark .form-group input,body.dark .form-group textarea,body.dark .form-group select{background:var(--bg-soft);color:var(--text)}
body.dark .form-group input:focus,body.dark .form-group textarea:focus,body.dark .form-group select:focus{background:#241f1c}
body.dark .site-footer{background:#0f0c0b}
body.dark .footer-social a{background:#241f1c}
body.dark .product-card::after{background:radial-gradient(circle,rgba(232,84,43,.16),transparent 70%)}
body.dark .testi-card::before{opacity:.2}
/* ============ Search overlay ============ */
.search-overlay{position:fixed;inset:0;background:rgba(20,15,12,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:2000;display:none;align-items:flex-start;justify-content:center;padding:120px 20px 20px;animation:fadeIn .25s var(--ease)}
.search-overlay.active{display:flex}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.search-panel{background:var(--bg);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:640px;box-shadow:0 30px 90px rgba(0,0,0,.4);animation:popIn .3s var(--ease)}
@keyframes popIn{from{opacity:0;transform:translateY(-16px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.search-panel h3{font-size:18px;margin-bottom:18px;font-weight:700}
.search-panel input{width:100%;padding:15px 20px;border:1px solid var(--border);border-radius:14px;font-size:16px;outline:none;font-family:inherit;background:var(--bg-soft);color:var(--text);transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease)}
.search-panel input:focus{border-color:var(--primary);background:var(--bg);box-shadow:0 0 0 4px rgba(232,84,43,.1)}
.search-hint{font-size:13px;color:var(--text-soft);margin-top:16px;line-height:2}
.search-hint span{display:inline-block;background:var(--bg-soft);padding:5px 14px;border-radius:999px;margin:4px 6px 0 0;cursor:pointer;font-size:12px;transition:all .25s var(--ease);border:1px solid transparent}
.search-hint span:hover{background:var(--grad-primary);color:#fff;transform:translateY(-2px)}
.close-search{margin-top:20px;width:100%}
/* ============ Mobile nav ============ */
.mobile-nav{position:fixed;top:72px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);z-index:999;display:none;padding:16px 20px;box-shadow:0 12px 34px rgba(0,0,0,.12);animation:slideDown .3s var(--ease)}
.mobile-nav.active{display:block}
@keyframes slideDown{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
.mobile-nav ul{display:flex;flex-direction:column;gap:4px}
.mobile-nav a{display:block;padding:13px 16px;border-radius:12px;color:var(--text);font-weight:500;font-size:15px;transition:background .25s var(--ease),color .25s var(--ease),padding-left .25s var(--ease)}
.mobile-nav a:hover{background:var(--bg-soft);color:var(--primary);padding-left:22px}
/* ============ Responsive ============ */
@media(max-width:1100px){
.hero h1{font-size:38px}
.hero-grid{gap:40px}
.main-nav ul{gap:0}
.main-nav a{padding:8px 9px;font-size:14px}
}
@media(max-width:992px){
.hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
.product-grid,.case-grid,.testi-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid{grid-template-columns:repeat(2,1fr)}
.solution-list{grid-template-columns:1fr}
.howto-notes{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr;gap:36px}
.main-nav{display:none}
.menu-toggle{display:flex}
.search-box{display:none}
.hero h1{font-size:34px}
.hero-visual{order:-1}
.hero{padding:60px 0 56px}
.hero p.lead{max-width:100%}
section{padding:64px 0}
.section-head h2{font-size:28px}
.howto-wrap{padding:36px 28px}
.about-features[style*="repeat(4"]{grid-template-columns:1fr 1fr !important}
.about-features[style*="repeat(3"]{grid-template-columns:1fr 1fr !important}
}
@media(max-width:600px){
.product-grid,.case-grid,.testi-grid,.article-grid,.scenario-grid,.form-row{grid-template-columns:1fr}
.section-head h2{font-size:24px;letter-spacing:-.3px}
.section-head{margin-bottom:36px}
.section-head p{font-size:14.5px}
.hero{padding:48px 0 44px}
.hero h1{font-size:28px;letter-spacing:-.5px}
.hero p.lead{font-size:15px}
.hero-stats{gap:26px}
.hero-stat strong{font-size:24px}
.hero-stat span{font-size:12px}
.hero-actions .btn{flex:1;min-width:140px;padding:12px 20px}
.hero-card{padding:20px}
.footer-grid{grid-template-columns:1fr;gap:32px}
.howto-wrap{padding:26px 20px}
.steps li{padding-left:64px;padding-bottom:26px}
.steps li::before{width:46px;height:46px;font-size:16px}
.steps li::after{left:22px;top:50px}
.news-item{flex-direction:column;align-items:flex-start;gap:12px;padding:20px}
.news-date{border-right:none;border-bottom:1px solid var(--border);padding:0 0 12px;display:flex;gap:8px;align-items:baseline;min-width:0;text-align:left}
.news-date strong{font-size:20px}
section{padding:52px 0}
.about-features{grid-template-columns:1fr}
.about-features[style*="repeat(4"],.about-features[style*="repeat(3"],.about-features[style*="repeat(2"]{grid-template-columns:1fr !important}
.contact-info,.contact-form,.about-visual{padding:24px}
.faq-q{padding:18px 20px;font-size:15px}
.faq-a-inner{padding:0 20px 20px}
.solution-item{padding:24px;gap:16px}
.solution-num{font-size:28px}
.back-top{right:18px;bottom:18px;width:46px;height:46px}
.search-overlay{padding:80px 16px 16px}
.search-panel{padding:24px}
.footer-bottom{flex-direction:column;text-align:center}
.footer-links{justify-content:center}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
.reveal{opacity:1;transform:none}
}
@media print{
.site-header,.mobile-nav,.back-top,.search-overlay,.site-footer{display:none !important}
body{color:#000;background:#fff}
section{padding:20px 0}
}