.navbar{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-height);transition:background var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);border-bottom:1px solid transparent}.navbar.is-scrolled{background:#070a13c7;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--color-border)}.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-height)}.navbar-brand{display:flex;align-items:center;gap:var(--space-3)}.navbar-brand-text{font-size:var(--text-lg);font-weight:700;letter-spacing:.02em}.navbar-brand-text em{font-style:normal;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;color:transparent}.navbar-links{display:flex;align-items:center;gap:var(--space-8)}.navbar-link{font-size:var(--text-sm);color:var(--color-text-secondary);transition:color var(--dur-fast) var(--ease-out)}.navbar-link:hover{color:var(--color-text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-weight:600;border-radius:var(--radius-full);transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out);white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--glow-primary)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px #4f7cff80}.btn-outline{border:1px solid var(--color-border-strong);color:var(--color-text);background:#ffffff08}.btn-outline:hover{border-color:var(--color-cyan);color:var(--color-cyan)}.btn-sm{padding:.5rem 1.25rem;font-size:var(--text-sm)}.btn-lg{padding:.85rem 2rem;font-size:var(--text-base)}.navbar-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;align-items:center}.navbar-toggle .bar{width:20px;height:2px;background:var(--color-text);border-radius:2px;transition:transform var(--dur-base) var(--ease-in-out),opacity var(--dur-base)}.navbar-toggle .bar.is-open:nth-child(1){transform:translateY(7px) rotate(45deg)}.navbar-toggle .bar.is-open:nth-child(2){opacity:0}.navbar-toggle .bar.is-open:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.navbar-mobile{display:none;flex-direction:column;background:#090c16fa;border-bottom:1px solid var(--color-border);padding:var(--space-4) var(--space-6) var(--space-6);gap:var(--space-2)}.navbar-mobile.is-open{display:flex}.navbar-mobile-link{padding:var(--space-3) 0;font-size:var(--text-base);color:var(--color-text-secondary);border-bottom:1px solid rgba(148,163,184,.08)}@media(max-width:768px){.navbar-links{display:none}.navbar-toggle{display:flex}}.hero{position:relative;display:flex;align-items:center;min-height:100vh;min-height:100svh;padding-top:var(--nav-height);overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none}.hero-bg img{width:100%;height:100%;object-fit:cover}.hero-content{position:relative;z-index:1;text-align:center;max-width:52rem;margin-inline:auto;padding-block:var(--space-16)}.hero-eyebrow{display:inline-flex;align-items:center;gap:var(--space-2);padding:.35rem 1rem;font-size:var(--text-xs);letter-spacing:.22em;text-transform:uppercase;color:var(--color-cyan);border:1px solid rgba(34,211,238,.3);border-radius:var(--radius-full);background:#22d3ee0f;margin-bottom:var(--space-6)}.hero-title{font-size:clamp(2.5rem,6vw,4.25rem);font-weight:800;line-height:1.15;letter-spacing:-.02em}.hero-desc{margin:var(--space-6) auto 0;max-width:40rem;font-size:clamp(1rem,2.4vw,1.25rem);line-height:1.8;color:var(--color-text-secondary)}.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:var(--space-4);margin-top:var(--space-10)}.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-12)}.hero-tag{display:inline-flex;align-items:center;gap:var(--space-2);padding:.4rem 1rem;font-size:var(--text-xs);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:var(--radius-full);background:#ffffff05}.hero-tag:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gradient-primary)}.hero .reveal-item{opacity:0;animation:fade-up var(--dur-slow) var(--ease-out) forwards}.hero .reveal-item:nth-child(1){animation-delay:.05s}.hero .reveal-item:nth-child(2){animation-delay:.15s}.hero .reveal-item:nth-child(3){animation-delay:.25s}.hero .reveal-item:nth-child(4){animation-delay:.35s}.hero .reveal-item:nth-child(5){animation-delay:.45s}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-6)}.service-card{position:relative;padding:var(--space-8);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),background var(--dur-base) var(--ease-out);overflow:hidden}.service-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;background:var(--gradient-primary);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity var(--dur-base) var(--ease-out);pointer-events:none}.service-card:hover{transform:translateY(-6px);background:var(--color-bg-card-hover);box-shadow:var(--shadow-md)}.service-card:hover:before{opacity:1}.service-icon{width:56px;height:56px;display:grid;place-items:center;border-radius:var(--radius-md);background:#4f7cff1a;border:1px solid rgba(79,124,255,.22);margin-bottom:var(--space-6)}.service-card:nth-child(2) .service-icon{background:#22d3ee1a;border-color:#22d3ee38}.service-card:nth-child(3) .service-icon{background:#8b5cf61a;border-color:#8b5cf640}.service-title{font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-3)}.service-desc{color:var(--color-text-secondary);font-size:var(--text-base);line-height:1.75}.service-features{margin-top:var(--space-5);display:grid;gap:var(--space-2)}.service-feature{display:flex;align-items:flex-start;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text-secondary)}.service-feature:before{content:"✓";color:var(--color-cyan);font-weight:700;flex-shrink:0}.service-link{display:inline-flex;align-items:center;gap:var(--space-2);margin-top:var(--space-6);font-size:var(--text-sm);font-weight:600;color:var(--color-primary);transition:color var(--dur-fast) var(--ease-out),gap var(--dur-fast) var(--ease-out)}.service-link:hover{color:var(--color-cyan);gap:var(--space-3)}@media(max-width:960px){.services-grid{grid-template-columns:1fr;max-width:34rem;margin-inline:auto}}.showcase-list{display:grid;gap:var(--space-10)}.showcase-item{display:grid;grid-template-columns:340px 1fr;gap:var(--space-10);align-items:center}.showcase-item:nth-child(2n) .showcase-media{order:2}.showcase-media{position:relative;padding:var(--space-6);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.showcase-media:after{content:"";position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:inherit;background:linear-gradient(135deg,rgba(79,124,255,.25),rgba(34,211,238,.12),transparent 60%);opacity:.35;z-index:-1;filter:blur(18px)}.showcase-media img{width:100%;height:auto;border-radius:var(--radius-md)}.showcase-tag{display:inline-block;padding:.25rem .8rem;font-size:var(--text-xs);letter-spacing:.08em;color:var(--color-cyan);border:1px solid rgba(34,211,238,.3);border-radius:var(--radius-full);margin-bottom:var(--space-4);background:#22d3ee0f}.showcase-title{font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-3)}.showcase-desc{color:var(--color-text-secondary);line-height:1.8;margin-bottom:var(--space-5)}.showcase-points{display:grid;gap:var(--space-3)}.showcase-point{display:flex;align-items:flex-start;gap:var(--space-3)}.showcase-point-icon{flex-shrink:0;width:22px;height:22px;margin-top:3px;display:grid;place-items:center;border-radius:50%;background:#22d3ee1f;color:var(--color-cyan);font-size:12px;font-weight:700}.showcase-point-title{font-weight:600;font-size:var(--text-base)}.showcase-point-desc{font-size:var(--text-sm);color:var(--color-text-muted)}@media(max-width:860px){.showcase-item,.showcase-item:nth-child(2n) .showcase-media{grid-template-columns:1fr;order:initial}.showcase-media{max-width:340px;margin-inline:auto;width:100%}}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-10);align-items:center}.about-copy{font-size:var(--text-lg);color:var(--color-text-secondary);line-height:1.9}.about-copy strong{color:var(--color-text);font-weight:600}.about-steps{display:grid;gap:var(--space-4)}.about-step{display:flex;align-items:flex-start;gap:var(--space-5);padding:var(--space-5);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--dur-base) var(--ease-out),background var(--dur-base) var(--ease-out)}.about-step:hover{border-color:#22d3ee66;background:var(--color-bg-card-hover)}.about-step-num{flex-shrink:0;width:44px;height:44px;display:grid;place-items:center;border-radius:50%;font-weight:700;color:#fff;background:var(--gradient-primary);box-shadow:var(--glow-primary);font-size:var(--text-sm)}.about-step:nth-child(2) .about-step-num{background:linear-gradient(135deg,#22d3ee,#67e8f9);box-shadow:var(--glow-cyan)}.about-step:nth-child(3) .about-step-num{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}.about-step-title{font-weight:600;margin-bottom:var(--space-1)}.about-step-desc{font-size:var(--text-sm);color:var(--color-text-secondary)}@media(max-width:860px){.about-grid{grid-template-columns:1fr}}.contact-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:var(--space-12);align-items:start}.contact-intro{color:var(--color-text-secondary);line-height:1.9;margin-bottom:var(--space-8)}.contact-channels{display:flex;flex-direction:column;align-items:center;gap:var(--space-5)}.contact-wechat{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);width:100%;max-width:288px;padding:var(--space-6);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out)}.contact-wechat:hover{border-color:#22d3ee59;box-shadow:var(--glow-primary)}.contact-wechat-qr{width:200px;height:200px;padding:8px;background:#fff;border-radius:var(--radius-md);border:1px solid var(--color-border-strong)}.contact-wechat-title{font-weight:700;font-size:var(--text-lg);color:var(--color-text)}.contact-wechat-desc{font-size:var(--text-sm);color:var(--color-text-muted);text-align:center}.contact-extra{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text-muted)}.contact-extra-link{color:var(--color-text-secondary);border-bottom:1px dashed var(--color-border-strong);transition:color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}.contact-extra-link:hover{color:var(--color-cyan);border-bottom-color:var(--color-cyan)}.contact-form-card{padding:var(--space-8);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.form-field{margin-bottom:var(--space-5)}.form-label{display:block;font-size:var(--text-sm);font-weight:600;margin-bottom:var(--space-2);color:var(--color-text)}.form-label .required{color:var(--color-cyan)}.form-input,.form-textarea,.form-select{width:100%;padding:.75rem 1rem;font-size:var(--text-base);font-family:inherit;color:var(--color-text);background:#070a1399;border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out);-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-text-muted)}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #4f7cff2e}.form-input.is-invalid,.form-textarea.is-invalid{border-color:#f43f5e}.form-textarea{resize:vertical;min-height:130px}.form-error{margin-top:var(--space-2);font-size:var(--text-xs);color:#fb7185}.form-global-error{margin-top:var(--space-2);padding:var(--space-3);font-size:var(--text-sm);color:#fda4af;background:#f43f5e14;border:1px solid rgba(244,63,94,.3);border-radius:var(--radius-md)}.form-submit{width:100%;margin-top:var(--space-4);min-height:56px;padding-block:1.05rem;font-size:var(--text-lg);font-weight:700;letter-spacing:.04em}.form-submit:disabled{opacity:.65;cursor:not-allowed;transform:none}.form-success{text-align:center;padding:var(--space-12) var(--space-6)}.form-success-icon{width:64px;height:64px;margin:0 auto var(--space-5);display:grid;place-items:center;border-radius:50%;background:#22d3ee1f;border:1px solid rgba(34,211,238,.4);color:var(--color-cyan);font-size:28px;animation:pop var(--dur-slow) var(--ease-out)}@keyframes pop{0%{transform:scale(.4);opacity:0}70%{transform:scale(1.08)}to{transform:scale(1);opacity:1}}.form-success-title{font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-3)}.form-success-desc{color:var(--color-text-secondary);line-height:1.8;max-width:26rem;margin-inline:auto}@media(max-width:860px){.contact-wrap{grid-template-columns:1fr}}.footer{border-top:1px solid var(--color-border);padding:var(--space-12) 0 var(--space-8);background:#04060c99}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--space-10)}.footer-brand{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4)}.footer-brand-text{font-size:var(--text-lg);font-weight:700}.footer-brand-text em{font-style:normal;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;color:transparent}.footer-about{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.8;max-width:22rem}.footer-title{font-size:var(--text-sm);font-weight:600;letter-spacing:.06em;margin-bottom:var(--space-4);color:var(--color-text)}.footer-links{display:grid;gap:var(--space-2)}.footer-link{font-size:var(--text-sm);color:var(--color-text-secondary);transition:color var(--dur-fast) var(--ease-out)}.footer-link:hover{color:var(--color-cyan)}.footer-bottom{margin-top:var(--space-10);padding-top:var(--space-6);border-top:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-4);font-size:var(--text-xs);color:var(--color-text-muted)}.footer-beian{display:inline-flex;align-items:center;gap:var(--space-4)}.footer-beian a{color:var(--color-text-muted);text-decoration:none;transition:color var(--dur-fast) var(--ease-out)}.footer-beian a:hover{color:var(--color-cyan)}@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:var(--space-8)}}:root{--color-bg: #070a13;--color-bg-soft: #0b0f1c;--color-bg-card: rgba(255, 255, 255, .03);--color-bg-card-hover: rgba(255, 255, 255, .06);--color-primary: #4f7cff;--color-primary-deep: #3b5bdb;--color-cyan: #22d3ee;--color-violet: #8b5cf6;--gradient-primary: linear-gradient(135deg, #4f7cff 0%, #22d3ee 100%);--gradient-text: linear-gradient(120deg, #8fb4ff 0%, #22d3ee 60%, #67e8f9 100%);--color-text: #eef2ff;--color-text-secondary: #a5b4cf;--color-text-muted: #64748b;--color-border: rgba(148, 163, 184, .14);--color-border-strong: rgba(148, 163, 184, .28);--glow-primary: 0 0 24px rgba(79, 124, 255, .35);--glow-cyan: 0 0 32px rgba(34, 211, 238, .25);--font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-4xl: 3rem;--text-5xl: 3.75rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 12px rgba(0, 0, 0, .25);--shadow-md: 0 8px 32px rgba(0, 0, 0, .35);--shadow-lg: 0 24px 64px rgba(0, 0, 0, .5);--dur-fast: .18s;--dur-base: .3s;--dur-slow: .6s;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--container-max: 1120px;--nav-height: 72px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.7;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(60rem 40rem at 80% -10%,rgba(79,124,255,.14),transparent 60%),radial-gradient(50rem 35rem at 0% 110%,rgba(34,211,238,.08),transparent 60%)}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}ul,ol{list-style:none}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--space-6)}.section{position:relative;padding-block:var(--space-20)}.section-head{text-align:center;margin-bottom:var(--space-16)}.section-eyebrow{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);letter-spacing:.18em;text-transform:uppercase;color:var(--color-cyan);margin-bottom:var(--space-4)}.section-title{font-size:var(--text-3xl);font-weight:700;line-height:1.25;letter-spacing:-.01em}.section-subtitle{margin-top:var(--space-4);color:var(--color-text-secondary);font-size:var(--text-lg);max-width:40rem;margin-inline:auto}.gradient-text{background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;color:transparent}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}@keyframes fade-up{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.reveal{opacity:0;transform:translateY(24px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)}.reveal.is-visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:#1e2740;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#2b3a5e}::selection{background:#4f7cff59;color:#fff}