:root{--bg: #050b16;--bg-soft: #0b1629;--card: rgba(11, 22, 41, .75);--text: #e7ecf5;--muted: #9fb1cc;--brand: #1fc7ff;--brand-strong: #00e29f;--warn: #ffd166;--line: rgba(159, 177, 204, .25);--radius: 18px}*{box-sizing:border-box}html,body{margin:0;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at 12% 10%,#132848 0%,var(--bg) 46%);color:var(--text);scroll-behavior:smooth;padding-top:78px}a{color:inherit;text-decoration:none}.shell{width:min(1120px,calc(100% - 2rem));margin:0 auto}.topbar{position:fixed;top:0;left:0;width:100%;z-index:20;background:#050b16d1;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.topbar-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:.62rem;padding:.2rem 0}.brand-logo{width:36px;height:36px;object-fit:contain}.brand-copy{display:inline-flex;flex-direction:column;line-height:1.02}.brand-title{font-size:1.36rem;font-weight:800;letter-spacing:.015em;background:linear-gradient(90deg,#dff3ff,#9be6ff 55%,#6cf0ce);-webkit-background-clip:text;color:transparent;text-shadow:0 0 14px rgba(49,180,255,.18)}.brand-subtitle{margin-top:.04rem;font-size:.8rem;font-weight:600;color:#8fd8ff;letter-spacing:.02em}.nav{display:flex;gap:1.2rem;font-size:.95rem;color:var(--muted)}.nav a:hover{color:var(--text)}.nav a[aria-current=page]{color:#071321;background:linear-gradient(120deg,#1fc7ff,#00e29f);border:1px solid transparent;border-radius:999px;padding:.24rem .62rem;font-weight:700}.hero{position:relative;overflow:hidden;padding:4.8rem 0 4rem}.hero-grid{display:grid;gap:2.4rem;grid-template-columns:1.15fr .85fr;align-items:center}.kicker{display:inline-block;padding:.35rem .8rem;border-radius:100px;border:1px solid rgba(31,199,255,.45);color:#9be6ff;font-size:.86rem}h1{margin:1.1rem 0 1rem;font-size:clamp(2rem,5vw,3.5rem);line-height:1.1}.accent{background:linear-gradient(90deg,var(--brand) 0%,var(--brand-strong) 100%);-webkit-background-clip:text;color:transparent}.hero-align-right{display:inline-block;width:4em;text-align:right}.hero p{margin:0;color:var(--muted);line-height:1.7}.hero-actions{margin-top:1.8rem;display:flex;gap:.9rem;flex-wrap:wrap}.visit-counter{display:inline-flex;align-items:center;gap:.75rem;padding:.68rem 1rem;border-radius:999px;border:1px solid rgba(31,199,255,.55);background:radial-gradient(circle at 20% 50%,rgba(31,199,255,.22),transparent 45%),#051223d1;box-shadow:0 0 0 1px #1fc7ff2e inset,0 0 20px #1fc7ff33}.visit-label{color:#93daf7;font-size:.92rem;letter-spacing:.02em}.visit-value{font-size:1.16rem;letter-spacing:.04em;color:#44f2b7;text-shadow:0 0 16px rgba(68,242,183,.5)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:.78rem 1.15rem;font-weight:600;border:1px solid transparent;transition:transform .18s ease,border-color .18s ease,background .18s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(125deg,#00c8ff,#02d685 95%);color:#04111e}.btn-ghost{border-color:var(--line)}.hero-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem}.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.stat{padding:.95rem;border-radius:12px;background:#ffffff05;border:1px solid rgba(159,177,204,.18)}.stat strong{display:block;font-size:1.2rem;margin-bottom:.2rem}.stat span a{color:inherit;text-decoration:none;border-bottom:1px dashed rgba(159,177,204,.35);transition:color .16s ease,border-color .16s ease}.stat span a:hover{color:#c9edff;border-color:#31c7ffbf}.stat-roll{background:linear-gradient(90deg,#9be6ff,#5ccfff 35%,#44f2b7 65%,#ffd166);background-size:240% 240%;-webkit-background-clip:text;color:transparent;text-shadow:0 0 16px rgba(31,199,255,.25);animation:stat-roll-gradient 2.6s linear infinite}@keyframes stat-roll-gradient{0%{background-position:0% 50%}to{background-position:100% 50%}}.section{padding:4rem 0 .8rem}.section-head h2{margin:0;font-size:clamp(1.45rem,3.4vw,2.2rem)}.section-head p{margin-top:.7rem;color:var(--muted)}.courses{margin-top:1.3rem;display:grid;gap:1rem;grid-template-columns:repeat(3,minmax(0,1fr))}.course-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem}.course-card h3{margin:0}.course-tag{margin-top:.8rem;color:var(--warn);font-size:.84rem}.course-points{margin:.7rem 0 0;padding-left:1rem;color:var(--muted);line-height:1.6}.services-page .section-head p{line-height:1.9}.services-page .services-courses{margin-top:1.6rem;gap:1.15rem}.services-page .course-card{padding:1.28rem 1.18rem}.services-page .course-card h3{margin:0;font-size:1.45rem;letter-spacing:.01em}.services-page .course-tag{margin-top:.95rem;margin-bottom:.2rem}.services-page .course-points{margin-top:.95rem;padding-left:0;list-style:none;line-height:1.95}.services-videos{margin-top:2.4rem}.services-video-grid{margin-top:1.1rem;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.services-video-card{padding:1.05rem}.services-video-card h3{margin:0;line-height:1.45}.services-video-card .hint{margin:.55rem 0 .85rem;line-height:1.75}.services-video-card .btn{margin-bottom:.9rem}.testimonial{margin-top:1.2rem;background:var(--card);border-radius:var(--radius);border:1px solid var(--line);padding:1.1rem}.tabs-shell{margin-top:1.2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}.tabs-nav{display:flex;flex-wrap:wrap;gap:.5rem;padding:.8rem;border-bottom:1px solid var(--line)}.tab-trigger{border:1px solid rgba(159,177,204,.28);background:#081221bf;color:var(--muted);padding:.55rem .9rem;border-radius:10px;font:inherit;cursor:pointer}.tab-trigger.is-active{color:#04223c;border-color:transparent;background:linear-gradient(115deg,#1fc7ff,#00e29f 96%);font-weight:600}.tab-panel{padding:1.1rem}.tab-panel h3{margin:0 0 .6rem}.tab-panel p{margin:0 0 .8rem;color:#c7d4e8;line-height:1.8}.contact-wrap{margin-top:1.2rem;display:grid;gap:1rem;grid-template-columns:.9fr 1.1fr}.contact-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:1.2rem}.contact-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;min-width:520px}.contact-kpi-card{border:1px solid rgba(159,177,204,.24);border-radius:12px;padding:.68rem .8rem .64rem;background:#0a172ba6}.contact-kpi-value{display:block;font-size:1.45rem;font-weight:800;line-height:1.05;letter-spacing:.02em;background:linear-gradient(90deg,#9be6ff,#4ec7ff,#41f0be 70%,#ffd166);background-size:220% 220%;-webkit-background-clip:text;color:transparent;text-shadow:0 0 14px rgba(49,180,255,.2);animation:stat-roll-gradient 2.6s linear infinite}.contact-kpi-card span{display:block;margin-top:.32rem;color:#c0d3ea;font-size:.82rem;line-height:1.25}.channel-card,.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.15rem}.channel-list{display:grid;gap:.75rem}.channel-item{border:1px solid rgba(159,177,204,.2);border-radius:12px;padding:.75rem;color:var(--muted)}.wx-box{margin-top:1rem;position:relative}.wx-anchor{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;border-radius:10px;border:1px dashed rgba(31,199,255,.5);color:#9be6ff}.wx-qr{opacity:0;pointer-events:none;transform:scale(.85);transform-origin:top left;transition:all .18s ease;margin-top:.6rem;width:220px;border-radius:12px;border:1px solid var(--line);padding:.7rem;background:#061120fa}.wx-box:hover .wx-qr{opacity:1;pointer-events:auto;transform:scale(1)}.qr-grid{width:100%;aspect-ratio:1;border-radius:8px;background:linear-gradient(90deg,#dbe8f9 20%,transparent 20% 40%,#dbe8f9 40% 60%,transparent 60% 80%,#dbe8f9 80%) 0 0 / 20% 20%,linear-gradient(#dbe8f9 20%,transparent 20% 40%,#dbe8f9 40% 60%,transparent 60% 80%,#dbe8f9 80%) 0 0 / 20% 20%,#021224}.field{margin-bottom:.85rem}.field label{display:block;margin-bottom:.35rem;font-size:.92rem}.field input,.field textarea{width:100%;border:1px solid rgba(159,177,204,.3);background:#050d19e6;color:var(--text);border-radius:10px;font:inherit;padding:.75rem .82rem}.field textarea{min-height:130px;resize:vertical}.hint{color:var(--muted);font-size:.85rem}.video-embed{position:relative;margin-top:1rem;width:100%;padding-top:56.25%;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#020d1b}.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.poster-card{display:flex;flex-direction:column;align-items:center}.poster-image{margin-top:.8rem;width:min(420px,100%);height:auto;border-radius:12px;border:1px solid var(--line)}.book-banner{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);display:block}.book-reco-banner{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);display:block;margin-bottom:.8rem}.blog-qr-image{margin-top:.8rem;width:min(220px,100%);height:auto;border-radius:12px;border:1px solid var(--line)}.wechat-qr-image{width:100%;height:auto;border-radius:8px;display:block}.footer{margin-top:4rem;border-top:1px solid var(--line);color:var(--muted);padding:1.4rem 0 2.2rem;font-size:.9rem}@media(max-width:980px){.hero-grid,.contact-wrap{grid-template-columns:1fr}.contact-head{grid-template-columns:1fr;align-items:start}.contact-kpis{min-width:0}.services-video-grid{grid-template-columns:1fr}}@media(max-width:768px){.topbar-inner{min-height:auto;padding:.55rem 0;align-items:flex-start;flex-direction:column;gap:.45rem}.nav{display:flex;width:100%;gap:.85rem;font-size:.9rem;overflow-x:auto;white-space:nowrap;padding-bottom:.2rem;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.brand-logo{width:32px;height:32px}.brand-title{font-size:1.08rem}.brand-subtitle{font-size:.68rem}.courses,.contact-kpis{grid-template-columns:1fr}.tabs-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}