﻿*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#ffffff;--surface:#f5f7fa;--border-light:#dce3ec;--text-primary:#1d2b3f;--text-secondary:#3f5468;--text-muted:#6f7d95;--primary:#1e4d7c;--primary-light:#e5eff9;--primary-hover:#123b5e;--accent-blue:#007bff;--accent-blue-hover:#0056b3;--shadow-sm:0 5px 18px rgba(0,0,0,0.03);--shadow-hover:0 12px 28px rgba(0,30,50,0.08);--radius:16px;--radius-sm:8px}body{font-family:'Inter',-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;background-color:var(--bg);color:var(--text-primary);line-height:1.6;scroll-behavior:smooth}.container{max-width:1280px;margin:0 auto;padding:0 30px}section{padding:80px 0}.section-title{text-align:center;margin-bottom:56px}.section-title h2{font-size:2.3rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em;margin-bottom:14px}.section-title p{font-size:1.15rem;color:var(--text-secondary);max-width:750px;margin:0 auto;font-weight:400}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;border-radius:40px;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:all .2s ease;background:transparent;white-space:nowrap;letter-spacing:.3px;position:relative;overflow:hidden}.btn-primary{background-color:var(--accent-blue);color:#fff;border:none;box-shadow:0 4px 12px rgba(0,123,255,.2)}.btn-primary:hover{background-color:var(--accent-blue-hover);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,123,255,.3);color:#fff}.btn-secondary{background-color:#fff;border:2px solid var(--accent-blue);color:var(--accent-blue);font-weight:600;box-shadow:0 2px 5px rgba(0,0,0,.05)}.btn-secondary:hover{background-color:#f0f7ff;border-color:var(--accent-blue-hover);color:var(--accent-blue-hover);transform:translateY(-2px)}.btn-large{padding:16px 48px;font-size:1.1rem}.copy-tooltip{position:absolute;top:50%;right:20px;transform:translateY(-50%);background:#2c7f4d;color:#fff;padding:6px 14px;border-radius:30px;font-size:.8rem;font-weight:600;opacity:0;visibility:hidden;transition:all .2s;user-select:none;z-index:10}.copied .copy-tooltip{opacity:1;visibility:visible}header{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(30,77,124,.1);position:sticky;top:0;z-index:100;box-shadow:0 4px 20px rgba(0,0,0,.02);transition:all .3s ease}.navbar{display:flex;justify-content:space-between;align-items:center;padding:16px 0;transition:padding .3s ease}.logo{font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,var(--primary),#2a5f8a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px;position:relative;transition:all .3s ease;display:none}.logo::after{content:'';position:absolute;bottom:-4px;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),transparent);border-radius:2px;transition:all .3s ease}.nav-links{display:flex;list-style:none;gap:48px;margin:0 auto}.nav-links a{text-decoration:none;color:var(--text-secondary);font-weight:600;font-size:1.05rem;transition:all .3s ease;position:relative;padding:4px 0}.nav-links a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--primary);transition:width .3s ease}.nav-links a:hover{color:var(--primary)}.nav-links a:hover::after{width:80%}.mobile-menu-btn{display:none;background:0 0;border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:8px 16px;font-size:1.5rem;cursor:pointer;color:var(--primary);transition:all .3s ease}header.header-scrolled{background:rgba(30,77,124,.98);box-shadow:0 4px 20px rgba(0,0,0,.15);border-bottom:none}header.header-scrolled .navbar{padding:10px 0}header.header-scrolled .logo{background:0 0;-webkit-text-fill-color:#fff;color:#fff}header.header-scrolled .logo::after{background:linear-gradient(90deg,#fff,transparent)}header.header-scrolled .nav-links a{color:rgba(255,255,255,.85)}header.header-scrolled .nav-links a:hover{color:#fff}header.header-scrolled .nav-links a::after{background:#fff}header.header-scrolled .mobile-menu-btn{color:#fff;border-color:rgba(255,255,255,.4)}.hero{padding:100px 0 80px;background:linear-gradient(145deg,#fff,#f5faff);text-align:center;border-bottom:1px solid var(--border-light);position:relative;overflow:hidden}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;opacity:.15;pointer-events:none}.hero-bg-image{position:absolute;border-radius:16px;box-shadow:0 20px 40px rgba(30,77,124,.1);border:1px solid rgba(30,77,124,.1);background:rgba(255,255,255,.7);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--primary);text-align:center;display:none}.bg-image-1{top:15%;left:3%;width:260px;height:160px;transform:rotate(-6deg);font-size:1.4rem;padding:20px}.bg-image-2{bottom:10%;right:3%;width:300px;height:180px;transform:rotate(4deg);font-size:1.5rem;padding:20px}.bg-image-1::before{content:"备案域名";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;text-align:center;line-height:1.3}.bg-image-2::before{content:"全网不掉备案｜稳定现货";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;text-align:center;line-height:1.3}.hero .container{position:relative;z-index:1}.hero-badge{display:inline-block;background:rgba(30,77,124,.08);color:var(--primary);font-size:.9rem;font-weight:600;padding:8px 20px;border-radius:50px;margin-bottom:25px;border:1px solid rgba(30,77,124,.15);letter-spacing:1px;backdrop-filter:blur(5px)}.hero h1{font-size:3.5rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;line-height:1.2;max-width:1000px;margin:0 auto 25px}.hero h1 .highlight{color:var(--accent-blue);font-weight:800}.hero-tags{display:flex;justify-content:center;gap:15px;flex-wrap:wrap;margin-bottom:30px}.tag{background:#fff;padding:8px 22px;border-radius:50px;font-size:1rem;font-weight:600;color:var(--primary);border:1px solid rgba(30,77,124,.2);box-shadow:0 4px 12px rgba(0,0,0,.02);transition:all .2s}.tag:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(30,77,124,.15);border-color:var(--primary);background:var(--primary-light)}.case-showcase{max-width:900px;margin:0 auto 40px;padding:30px;background:rgba(255,255,255,.8);backdrop-filter:blur(10px);border-radius:30px;box-shadow:0 20px 40px rgba(30,77,124,.08);border:1px solid rgba(30,77,124,.1)}.case-grid{display:flex;justify-content:center;gap:15px;flex-wrap:wrap;margin-bottom:15px}.case-item{background:var(--primary-light);padding:8px 24px;border-radius:40px;font-size:1rem;font-weight:600;color:var(--primary);border:1px solid rgba(30,77,124,.15);transition:all .2s}.case-item:hover{background:var(--primary);color:#fff;transform:scale(1.05);box-shadow:0 8px 16px rgba(30,77,124,.2)}.case-description{font-size:1rem;color:var(--text-muted);margin-top:15px}.hero-buttons{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin:30px 0 40px}.neon-effect{box-shadow:0 0 10px rgba(0,123,255,.5);animation:neonGlow 2s ease-in-out infinite}@keyframes neonGlow{0%,100%{box-shadow:0 0 10px rgba(0,123,255,.5),0 0 15px rgba(0,123,255,.3)}50%{box-shadow:0 0 20px rgba(0,123,255,.8),0 0 30px rgba(0,123,255,.6)}}.sweep-line{position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-25deg);z-index:1;animation:sweepLine 3s ease-in-out infinite;pointer-events:none}@keyframes sweepLine{0%{left:-100%}100%{left:100%}}.btn-content{position:relative;z-index:2;display:flex;align-items:center;gap:10px}.trust-badge{display:flex;justify-content:center;gap:50px;flex-wrap:wrap;margin-top:30px;padding-top:30px;border-top:1px dashed rgba(30,77,124,.2)}.trust-badge span{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:.95rem;font-weight:600}.trust-badge i{color:var(--accent-blue);font-size:1.1rem}.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.feature-card{background:#fff;border-radius:var(--radius);padding:38px 32px;border:1px solid #e3eaf2;transition:all .3s ease;display:flex;align-items:flex-start;gap:22px;box-shadow:var(--shadow-sm)}.feature-card:hover{border-color:#b8cfec;box-shadow:var(--shadow-hover);transform:translateY(-5px)}.feature-icon{width:64px;height:64px;background:linear-gradient(135deg,#e0f0ff,#cce0ff);border-radius:20px;display:flex;align-items:center;justify-content:center;color:var(--accent-blue);font-size:1.8rem;flex-shrink:0;box-shadow:0 8px 16px rgba(0,123,255,.15);transition:all .3s cubic-bezier(0.175,0.885,0.32,1.275)}.feature-card:hover .feature-icon{transform:scale(1.1) rotate(5deg);box-shadow:0 12px 24px rgba(0,123,255,.25);background:linear-gradient(135deg,#d1e8ff,#b3d4ff)}.feature-content h3{font-size:1.5rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.feature-content p{color:var(--text-secondary);font-size:1rem;font-weight:400}.process-steps{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.step{flex:1;min-width:210px;background:#fff;border:1px solid #e3eaf2;border-radius:var(--radius);padding:38px 16px;text-align:center;box-shadow:var(--shadow-sm);transition:.2s}.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--accent-blue)}.step-number{width:70px;height:70px;background-color:var(--primary-light);color:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin:0 auto 20px}.step h4{font-size:1.3rem;font-weight:700;margin-bottom:10px}.step p{color:var(--text-secondary);font-size:.96rem}.showcase-filter{display:flex;justify-content:center;gap:15px;margin-bottom:40px;flex-wrap:wrap}.filter-btn{padding:10px 28px;border-radius:40px;background:transparent;border:1px solid var(--border-light);color:var(--text-secondary);font-weight:600;cursor:pointer;transition:all .3s;font-size:1rem}.filter-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue);transform:translateY(-2px);box-shadow:0 8px 16px rgba(0,123,255,.1)}.filter-btn.active{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue);box-shadow:0 8px 16px rgba(0,123,255,.2)}.domain-carousel-container{position:relative;width:100%;margin-bottom:30px}.domain-carousel-wrapper{overflow:hidden;width:100%}.domain-showcase-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;transition:transform .5s ease}@keyframes riseUp{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}.domain-showcase-item{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:24px 15px;text-align:center;transition:all .3s;box-shadow:0 4px 12px rgba(0,0,0,.02);animation:riseUp .6s ease-out forwards;opacity:0}.domain-showcase-item:hover{border-color:var(--accent-blue);box-shadow:0 12px 28px rgba(0,123,255,.15);transform:translateY(-5px)}.domain-showcase-name{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:12px;letter-spacing:.5px;font-family:'Courier New',Courier,monospace}.domain-showcase-tags{margin-bottom:12px;min-height:30px}.domain-platform-tag{display:inline-block;padding:6px 14px;border-radius:30px;font-size:.8rem;font-weight:600}.domain-platform-tag.aliyun{background:rgba(255,102,0,.1);color:#e65100;border:1px solid rgba(255,102,0,.3)}.domain-platform-tag.tencent{background:rgba(0,173,235,.1);color:#006cc;border:1px solid rgba(0,173,235,.3)}.domain-platform-tag.icp{background:#f0f7ff;color:var(--accent-blue);border:1px solid rgba(0,123,255,.3)}.domain-showcase-status{font-size:.9rem;font-weight:600;padding:4px 0;color:#2e7d32}.domain-showcase-status::before{content:"●";margin-right:6px;font-size:.9rem;color:#4caf50}.carousel-progress{width:100%;height:4px;background:var(--border-light);border-radius:4px;margin-top:40px;overflow:hidden}.progress-bar{height:100%;background:var(--accent-blue);width:0;transition:width .3s linear;border-radius:4px}.showcase-more{text-align:center;margin-top:40px}footer{background-color:#f5f8fc;border-top:2px solid #dde3ec;padding:70px 0 30px}.footer-content{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:50px;margin-bottom:50px}.footer-logo{font-size:1.45rem;font-weight:800;color:var(--text-primary);margin-bottom:16px;display:none}.footer-about{color:var(--text-secondary);line-height:1.6;margin-bottom:22px;font-size:.95rem}.footer-stats{display:flex;gap:32px}.stat-item .stat-value{font-size:1.6rem;font-weight:800;color:var(--text-primary)}.stat-item .stat-label{color:var(--text-muted);font-size:.9rem;font-weight:500}.footer-links h4{font-size:1.05rem;font-weight:700;margin-bottom:26px;color:var(--text-primary);letter-spacing:.4px}.footer-links ul{list-style:none}.footer-links li{margin-bottom:15px}.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:.96rem;font-weight:500;transition:color .2s}.footer-links a:hover{color:var(--accent-blue)}.copyright{text-align:left;padding-top:30px;border-top:1px solid #d0dbe9;color:var(--text-muted);font-size:.9rem}.copyright a{color:inherit;text-decoration:none;transition:color .2s ease}.copyright a:hover{color:var(--accent-blue);text-decoration:underline}.float-consult-btn{position:fixed;bottom:100px;right:30px;width:60px;height:60px;background:var(--accent-blue);border:none;border-radius:50%;color:#fff;font-size:1.8rem;box-shadow:0 8px 20px rgba(0,123,255,.3);cursor:pointer;z-index:99;transition:all .3s cubic-bezier(0.175,0.885,0.32,1.275);display:flex;align-items:center;justify-content:center;animation:pulse-blue 2s infinite}.float-consult-btn:hover{transform:scale(1.1) rotate(10deg);background:var(--accent-blue-hover)}@keyframes pulse-blue{0%{box-shadow:0 0 0 0 rgba(0,123,255,.7)}70%{box-shadow:0 0 0 15px transparent}100%{box-shadow:0 0 0 0 transparent}}.customer-service-widget{position:fixed;bottom:110px;right:30px;width:340px;background:#fff;border-radius:20px;box-shadow:0 15px 35px rgba(0,0,0,.1),0 5px 15px rgba(0,0,0,.05);z-index:200;display:none;opacity:0;transform:translateY(20px) scale(.95);transform-origin:bottom left;transition:all .3s cubic-bezier(0.175,0.885,0.32,1.275);overflow:hidden;border:1px solid rgba(0,123,255,.1)}.customer-service-widget.active{display:block;opacity:1;transform:translateY(0) scale(1)}.widget-header{background:linear-gradient(135deg,#007bff,#0056b3);padding:20px;display:flex;justify-content:space-between;align-items:center;color:#fff}.widget-title{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;letter-spacing:.5px}.close-widget{background:rgba(255,255,255,.2);border:none;font-size:1.2rem;color:#fff;cursor:pointer;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.2s}.close-widget:hover{background:rgba(255,255,255,.4);transform:rotate(90deg)}.widget-body{padding:20px;background:#f8fbff}.chat-bubble{background:#fff;padding:15px;border-radius:16px;border-top-left-radius:4px;box-shadow:0 2px 10px rgba(0,0,0,.03);margin-bottom:20px;font-size:.95rem;color:var(--text-secondary);line-height:1.5;position:relative;border:1px solid var(--border-light)}.chat-bubble::before{content:'';position:absolute;top:0;left:-8px;width:0;height:0;border-top:10px solid #fff;border-left:10px solid transparent}.contact-card{background:#fff;border:2px dashed #b8d4f1;border-radius:16px;padding:16px;display:flex;align-items:center;cursor:pointer;transition:all .2s;position:relative;margin-bottom:15px;text-decoration:none}.contact-card:hover{border-color:var(--accent-blue);background:#f0f7ff;transform:translateY(-2px)}.contact-card-icon{width:44px;height:44px;background:#e6f2ff;color:var(--accent-blue);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-right:15px}.contact-card-info{flex:1}.contact-card-title{font-size:.85rem;color:var(--text-muted);font-weight:600;margin-bottom:4px}.contact-card-number{font-size:1.1rem;font-weight:800;color:var(--text-primary);font-family:'Courier New',monospace;letter-spacing:.5px}.btn-chat-now{display:block;width:100%;text-align:center;background:var(--accent-blue);color:#fff;padding:12px 0;border-radius:12px;text-decoration:none;font-weight:600;font-size:1rem;transition:.2s;box-shadow:0 4px 10px rgba(0,123,255,.2)}.btn-chat-now:hover{background:var(--accent-blue-hover);transform:translateY(-1px);color:#fff}.consult-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:300;opacity:0;visibility:hidden;transition:.2s}.consult-modal.active{opacity:1;visibility:visible}.modal-content{background:#fff;border-radius:24px;width:90%;max-width:600px;padding:40px;box-shadow:0 20px 50px rgba(0,0,0,.2);position:relative;text-align:center}.modal-header{margin-bottom:30px}.modal-header .card-title{font-size:1.2rem;color:var(--text-secondary);font-weight:600;letter-spacing:1px}.close-modal{position:absolute;right:20px;top:15px;background:0 0;border:none;font-size:2.2rem;color:#a0b8d0;cursor:pointer;transition:color .2s}.close-modal:hover{color:var(--accent-blue)}.modal-btn-group{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--primary);color:#fff;border:none;border-radius:50%;font-size:1.5rem;cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,.15);z-index:199;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .3s cubic-bezier(0.175,0.885,0.32,1.275);display:flex;align-items:center;justify-content:center}.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:var(--primary-hover);transform:translateY(-5px) scale(1.05);box-shadow:0 8px 25px rgba(0,0,0,.2)}@media (max-width:1024px){.hero h1{font-size:2.8rem}.footer-content{grid-template-columns:repeat(2,1fr)}.domain-showcase-grid{grid-template-columns:repeat(3,1fr)}.bg-image-1,.bg-image-2{width:200px;height:130px;font-size:1.1rem}}@media (max-width:768px){section{padding:50px 0}.hero{padding:80px 0 50px}.nav-links{display:none}.navbar{justify-content:center}.mobile-menu-btn{display:block;margin:0 auto}.nav-links.active{display:flex;flex-direction:column;gap:20px;background:#fff;padding:25px;position:absolute;top:70px;left:0;width:100%;border-bottom:1px solid var(--border-light);box-shadow:0 10px 20px rgba(0,0,0,.05)}header.header-scrolled .nav-links.active{background:var(--primary);border-bottom:1px solid rgba(255,255,255,.1)}header.header-scrolled .nav-links.active a{color:#fff}.features-grid{grid-template-columns:1fr}.process-steps{flex-direction:column}.hero-buttons{flex-direction:column;align-items:center;gap:15px}.hero-buttons .btn{width:100%;max-width:100%}.modal-btn-group{flex-direction:column;gap:15px;align-items:center}.modal-btn-group .btn{width:100%}.customer-service-widget{width:calc(100% - 40px);left:20px;bottom:90px}.float-consult-btn{right:20px;bottom:90px;width:50px;height:50px;font-size:1.4rem}.back-to-top{right:20px;bottom:20px;width:45px;height:45px;font-size:1.2rem}.domain-showcase-grid{grid-template-columns:repeat(2,1fr)}.bg-image-1,.bg-image-2{display:none}.hero h1{font-size:2.2rem;margin-bottom:15px}.hero-tags{gap:10px;margin-bottom:20px}.tag{padding:6px 15px;font-size:.9rem}.trust-badge{gap:20px;flex-direction:column;align-items:center}}@media (max-width:480px){.domain-showcase-grid{grid-template-columns:1fr}}
