:root{--color-black: #0a0a0a;--color-dark: #171717;--color-grey-dark: #52525b;--color-grey-light: #a1a1aa;--color-bg: #f9fafb;--color-white: #ffffff;--color-border: rgba(0, 0, 0, .08);--color-brand: #6366f1;--color-brand-dark: #4f46e5;--color-brand-deeper: #4338ca;--color-brand-bg: rgba(99, 102, 241, .08);--color-brand-border: rgba(99, 102, 241, .25);--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-cn: "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;--transition: all .4s cubic-bezier(.16, 1, .3, 1);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .03);--shadow-card: 0 12px 32px -4px rgba(0, 0, 0, .08), 0 4px 12px -2px rgba(0, 0, 0, .04);--shadow-brand: 0 12px 28px rgba(99, 102, 241, .35);--shadow-float: 0 32px 64px -12px rgba(0, 0, 0, .14);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--header-height: 72px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-cn);color:var(--color-dark);background:var(--color-bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul,ol{list-style-position:inside}.container{width:min(1200px,92%);margin:0 auto}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);z-index:1000;background:#ffffffd1;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border);transition:var(--transition)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;color:var(--color-black);letter-spacing:-.02em}.logo i{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-brand),#8b5cf6);color:#fff;border-radius:10px;font-size:1rem}.nav{display:flex;gap:6px}.nav a{padding:8px 16px;border-radius:999px;font-size:.95rem;font-weight:500;color:var(--color-grey-dark);transition:var(--transition)}.nav a:hover{color:var(--color-brand);background:var(--color-brand-bg)}.nav a.active{color:var(--color-brand-dark);background:var(--color-brand-bg);font-weight:600}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--color-border);border-radius:10px;background:var(--color-white);color:var(--color-dark);font-size:1.1rem;cursor:pointer}.announcement{display:none;align-items:center;gap:10px;padding:10px 0;font-size:.9rem;position:relative;z-index:900}.announcement.show{display:flex}.announcement.info{background:#6366f114;color:var(--color-brand-deeper)}.announcement.warning{background:#f59e0b1a;color:#92400e}.announcement.success{background:#10b98114;color:#065f46}.announcement .container{display:flex;align-items:center;gap:10px}.page-hero{background:linear-gradient(135deg,#0f0e24,#1b1650 40%,#0e2448 75%,#0c1a30);padding:170px 0 100px;text-align:center;position:relative;overflow:hidden}.page-hero:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 28% 48%,rgba(167,139,250,.26) 0%,transparent 52%),radial-gradient(ellipse at 72% 22%,rgba(96,165,250,.2) 0%,transparent 48%),radial-gradient(ellipse at 50% 85%,rgba(99,102,241,.12) 0%,transparent 42%)}.page-hero:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:140px;background:linear-gradient(to bottom,transparent 0%,rgba(12,18,32,.5) 100%);z-index:0;pointer-events:none}.page-hero-content{position:relative;z-index:1}.subtitle-label{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;border:1px solid rgba(167,139,250,.3);background:#ffffff0d;color:#ffffffd9;font-size:.85rem;font-weight:500;margin-bottom:22px}.page-hero h1{color:var(--color-white);font-size:3.4rem;font-weight:800;letter-spacing:-.04em;margin-bottom:18px;line-height:1.15}.page-hero p{color:#ffffffb8;font-size:1.15rem;max-width:620px;margin:0 auto 36px;line-height:1.8}.hero-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:30px;border:1px solid rgba(167,139,250,.22);color:#ffffffb8;background:#ffffff0a;font-size:.82rem;font-weight:500;letter-spacing:.5px}.hero-actions{display:flex;gap:14px;justify-content:center;margin-top:38px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:12px;font-size:.98rem;font-weight:600;border:none;cursor:pointer;transition:var(--transition);font-family:var(--font-cn)}.btn-primary{background:linear-gradient(135deg,var(--color-brand),var(--color-brand-dark));color:#fff;box-shadow:var(--shadow-brand)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px #6366f173}.btn-ghost{background:#ffffff0f;color:#fff;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px)}.btn-ghost:hover{background:#ffffff1f;transform:translateY(-2px)}.btn-light{background:var(--color-white);color:var(--color-brand-deeper);border:1px solid var(--color-brand-border)}.btn-light:hover{background:var(--color-brand-bg);transform:translateY(-2px)}.btn-sm{padding:8px 18px;font-size:.88rem;border-radius:10px}.btn-danger{background:#ef444414;color:var(--color-danger);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:#ef444424}.section{padding:80px 0}.section-head{text-align:center;margin-bottom:48px}.section-head h2{font-size:2.2rem;font-weight:800;letter-spacing:-.03em;margin-bottom:14px;color:var(--color-black)}.section-head p{color:var(--color-grey-dark);font-size:1.05rem;max-width:560px;margin:0 auto}.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.platform-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:36px 30px;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden}.platform-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:var(--color-brand-border)}.platform-card .icon-wrap{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:22px}.platform-card.windows .icon-wrap{background:#0078d714;color:#0078d7}.platform-card.android .icon-wrap{background:#3cb44b1a;color:#3db84b}.platform-card.ios .icon-wrap{background:#33333314;color:#333}.platform-card h3{font-size:1.3rem;font-weight:700;margin-bottom:10px;color:var(--color-black)}.platform-card p{color:var(--color-grey-dark);font-size:.95rem;margin-bottom:20px}.platform-card .card-link{color:var(--color-brand);font-weight:600;font-size:.95rem;display:inline-flex;align-items:center;gap:6px}.platform-card .card-link i{transition:var(--transition)}.platform-card:hover .card-link i{transform:translate(4px)}.tabs-wrapper{display:flex;justify-content:center;gap:8px;margin-bottom:40px;flex-wrap:wrap}.tab-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-white);color:var(--color-grey-dark);font-size:.92rem;font-weight:500;cursor:pointer;transition:var(--transition);font-family:var(--font-cn)}.tab-btn:hover{border-color:var(--color-brand-border);color:var(--color-brand)}.tab-btn.active{background:linear-gradient(135deg,var(--color-brand),var(--color-brand-dark));border-color:transparent;color:#fff;box-shadow:var(--shadow-brand)}.clients-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.client-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:30px 26px;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;display:flex;flex-direction:column}.client-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}.client-card.recommended{border-color:var(--color-brand-border)}.recommend-badge{position:absolute;top:16px;right:16px;background:linear-gradient(135deg,var(--color-brand),#8b5cf6);color:#fff;font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:999px}.client-icon{width:52px;height:52px;border-radius:14px;background:var(--color-brand-bg);color:var(--color-brand);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px}.client-name{font-size:1.15rem;font-weight:700;color:var(--color-black)}.client-version{display:inline-block;font-size:.78rem;color:var(--color-brand);background:var(--color-brand-bg);padding:2px 10px;border-radius:999px;margin:8px 0 12px;font-weight:500}.client-desc{color:var(--color-grey-dark);font-size:.9rem;margin-bottom:18px;flex:1}.client-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.client-tags span{font-size:.75rem;padding:3px 10px;border-radius:999px;background:var(--color-bg);border:1px solid var(--color-border);color:var(--color-grey-dark)}.client-actions{display:flex;gap:10px;flex-wrap:wrap}.client-actions .btn{flex:1;min-width:120px;padding:10px 14px;font-size:.88rem}.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.tutorial-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column}.tutorial-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:var(--color-brand-border)}.tutorial-card .platform-tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:.78rem;font-weight:600;color:var(--color-brand);background:var(--color-brand-bg);padding:4px 12px;border-radius:999px;margin-bottom:16px}.tutorial-card h3{font-size:1.15rem;font-weight:700;color:var(--color-black);margin-bottom:10px;line-height:1.4}.tutorial-card p{color:var(--color-grey-dark);font-size:.9rem;flex:1;margin-bottom:18px}.tutorial-card .card-meta{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--color-grey-light)}.tutorial-card .card-link{color:var(--color-brand);font-weight:600;font-size:.88rem}.faq-list{max-width:800px;margin:0 auto}.faq-item{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:var(--transition)}.faq-item.open{border-color:var(--color-brand-border);box-shadow:var(--shadow-sm)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;background:none;border:none;cursor:pointer;font-size:1rem;font-weight:600;color:var(--color-dark);text-align:left;font-family:var(--font-cn);transition:var(--transition)}.faq-question:hover{color:var(--color-brand)}.faq-question .chevron{transition:var(--transition);color:var(--color-grey-light);flex-shrink:0}.faq-item.open .chevron{transform:rotate(180deg);color:var(--color-brand)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.16,1,.3,1)}.faq-answer-inner{padding:16px 22px 20px;color:var(--color-grey-dark);font-size:.95rem;border-top:1px solid var(--color-border)}.form-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-card);max-width:640px;margin:0 auto}.form-group{margin-bottom:22px}.form-group label{display:block;font-size:.9rem;font-weight:600;color:var(--color-dark);margin-bottom:8px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:12px;font-size:.95rem;font-family:var(--font-cn);background:var(--color-bg);color:var(--color-dark);transition:var(--transition)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--color-brand);box-shadow:0 0 0 3px var(--color-brand-bg);background:var(--color-white)}.form-group textarea{min-height:140px;resize:vertical}.alert{padding:14px 18px;border-radius:12px;font-size:.92rem;margin-bottom:18px;display:none}.alert.show{display:block}.alert.success{background:#10b98114;color:#065f46;border:1px solid rgba(16,185,129,.2)}.alert.error{background:#ef44440f;color:#991b1b;border:1px solid rgba(239,68,68,.2)}.empty-state{text-align:center;padding:60px 20px;color:var(--color-grey-light)}.empty-state i{font-size:2.4rem;margin-bottom:16px;opacity:.5}.empty-state p{font-size:.95rem}.skeleton{background:linear-gradient(90deg,#eee 25%,#f5f5f5,#eee 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:var(--radius-md)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{height:260px}.site-footer{background:#0c0f1d;color:#fff9;padding:56px 0 0;margin-top:0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px}.footer-brand h3{color:#fff;font-size:1.2rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}.footer-brand p{font-size:.9rem;line-height:1.8}.footer-col h4{color:#ffffffe6;font-size:.95rem;font-weight:600;margin-bottom:16px}.footer-col a{display:block;font-size:.88rem;padding:5px 0;transition:var(--transition)}.footer-col a:hover{color:#a5b4fc}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:.82rem}.article-content{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:44px 48px;box-shadow:var(--shadow-card)}.article-content h1,.article-content h2,.article-content h3{color:var(--color-black);font-weight:700;letter-spacing:-.02em;margin:1.6em 0 .7em;line-height:1.35}.article-content h1{font-size:1.9rem;margin-top:0}.article-content h2{font-size:1.45rem;padding-bottom:.4em;border-bottom:1px solid var(--color-border)}.article-content h3{font-size:1.2rem}.article-content p{color:var(--color-grey-dark);margin-bottom:1em;font-size:1.02rem}.article-content ul,.article-content ol{margin:0 0 1.2em 1.2em;color:var(--color-grey-dark)}.article-content ul{list-style:disc}.article-content ol{list-style:decimal}.article-content li{margin-bottom:.5em}.article-content strong{color:var(--color-dark)}.article-content code{background:var(--color-bg);border:1px solid var(--color-border);border-radius:6px;padding:2px 8px;font-size:.9em;font-family:JetBrains Mono,Consolas,monospace}.article-content blockquote{border-left:4px solid var(--color-brand);background:var(--color-brand-bg);border-radius:0 12px 12px 0;padding:16px 20px;margin:1.4em 0;color:var(--color-brand-deeper)}.article-content blockquote p{margin-bottom:0;color:inherit}.article-content img{border-radius:var(--radius-md);margin:1.4em 0}.article-footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 24px;margin-top:18px;background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-grey-light);font-size:.88rem}@media(max-width:900px){.platform-grid,.clients-grid,.tutorial-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr;gap:28px}}@media(max-width:640px){.page-hero{padding:140px 0 70px}.page-hero h1{font-size:2.1rem}.page-hero p{font-size:1rem}.section{padding:56px 0}.section-head h2{font-size:1.7rem}.platform-grid,.clients-grid,.tutorial-grid{grid-template-columns:1fr}.form-card{padding:26px 20px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-white);border-bottom:1px solid var(--color-border);padding:12px 4%;flex-direction:column;box-shadow:var(--shadow-card)}.nav.open{display:flex}.nav a{padding:12px 16px}}