@media screen and (min-width:992px){.btn_group.xnn-convbar{display:flex;justify-content:space-between;align-items:center;width:600px;padding:10px;margin-left:auto;margin-right:auto}.btn_group.xnn-convbar a.blue,.btn_group.xnn-convbar a.wx,.btn_group.xnn-convbar button.customer{float:none;width:180px;height:50px;line-height:50px;font-size:18px;text-align:center;border-radius:25px;box-sizing:border-box;border:none;cursor:pointer;font-weight:600;transition:opacity .2s}.btn_group.xnn-convbar a.blue{display:block;background:#e53935;color:#fff;text-decoration:none}.btn_group.xnn-convbar a.wx{display:block;background:#07c160;color:#fff;text-decoration:none}.btn_group.xnn-convbar button.customer{background:#ff6b35;color:#fff}.btn_group.xnn-convbar a.blue:hover,.btn_group.xnn-convbar a.wx:hover,.btn_group.xnn-convbar button.customer:hover{opacity:.88}}
@media screen and (max-width:991px){.btn_group.xnn-convbar a.wx{display:none}}
.xnn-honor h2,.xnnc-head h2,.xnew-home-courses .heading-title,.xq_wrap .title_wrap h2,.kehu_wrap .title_wrap h2,.youshi_wrap .title_wrap h2,.news_wrap .title_wrap h2,.zhenti_wrap .title_wrap h2{font-size:clamp(22px,3vw,30px)!important}
@media (min-width:651px){.xnew-home-courses .heading-subtitle{font-size:15px!important}}
@media (max-width:650px){.xnew-home-courses .heading-subtitle{font-size:13px!important}}
@media (max-width:370px){.xnew-home-courses .heading-subtitle{font-size:12px!important}}
.btn_group.xnn-convbar{display:flex!important;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;width:auto!important;max-width:none!important;float:none;margin:0 auto;padding:0}
.btn_group.xnn-convbar .xnn-free-cta,.btn_group.xnn-convbar button.customer,.btn_group.xnn-convbar a.blue,.btn_group.xnn-convbar a.wx{float:none;width:auto;min-width:0;height:50px;line-height:1;box-sizing:border-box;border-radius:999px;text-decoration:none;display:inline-flex;align-items:center;gap:9px;padding:0 24px;white-space:nowrap;transition:all .2s}
.btn_group.xnn-convbar .xnn-free-cta::before,.btn_group.xnn-convbar button.customer::before,.btn_group.xnn-convbar a.blue::before,.btn_group.xnn-convbar a.wx::before{content:"";width:19px;height:19px;flex:none;background-position:center;background-repeat:no-repeat;background-size:contain}
.btn_group.xnn-convbar .xnn-free-cta{background:linear-gradient(135deg,#ff8a00,#e5233d);color:#fff;font-size:16px;font-weight:800;letter-spacing:.5px;padding:0 26px;box-shadow:0 10px 24px rgba(229,35,61,.35),inset 0 1px 0 rgba(255,255,255,.28);border:none}
.btn_group.xnn-convbar .xnn-free-cta::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http%3A//www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M20%206h-2.18c.11-.31.18-.65.18-1%200-1.66-1.34-3-3-3-1.05%200-1.96.54-2.5%201.35l-.5.67-.5-.68C10.96%202.54%2010.05%202%209%202%207.34%202%206%203.34%206%205c0%20.35.07.69.18%201H4c-1.11%200-1.99.89-1.99%202L2%2019c0%201.11.89%202%202%202h16c1.11%200%202-.89%202-2V8c0-1.11-.89-2-2-2zm-5-2c.55%200%201%20.45%201%201s-.45%201-1%201-1-.45-1-1%20.45-1%201-1zM9%204c.55%200%201%20.45%201%201s-.45%201-1%201-1-.45-1-1%20.45-1%201-1zm11%2015H4v-2h16v2zm0-5H4V8h5.08L7%2010.83%208.62%2012%2011%208.76l1-1.36%201%201.36L15.38%2012%2017%2010.83%2014.92%208H20v6z'%20fill='%23fff'/%3E%3C/svg%3E")}
.btn_group.xnn-convbar .xnn-free-cta:hover{transform:translateY(-1px);box-shadow:0 13px 28px rgba(229,35,61,.45),inset 0 1px 0 rgba(255,255,255,.28);color:#fff}
.btn_group.xnn-convbar button.customer{background:#fff;color:#e53935;border:2px solid #ffb4ab;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer}
.btn_group.xnn-convbar button.customer::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http%3A//www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M12%201c-4.97%200-9%204.03-9%209v7c0%201.66%201.34%203%203%203h3v-8H5v-2c0-3.87%203.13-7%207-7s7%203.13%207%207v2h-4v8h3c1.66%200%203-1.34%203-3v-7c0-4.97-4.03-9-9-9z'%20fill='%23e53935'/%3E%3C/svg%3E")}
.btn_group.xnn-convbar button.customer:hover{border-color:#e53935;background:#fff5f3}
.btn_group.xnn-convbar a.blue{background:#f2f6ff;border:1.5px solid #c9d9ff;color:#1d3fa8;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.btn_group.xnn-convbar a.blue::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http%3A//www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M6.62%2010.79c1.44%202.83%203.76%205.14%206.59%206.59l2.2-2.2c.27-.27.67-.36%201.02-.24%201.12.37%202.33.57%203.57.57.55%200%201%20.45%201%201V20c0%20.55-.45%201-1%201-9.39%200-17-7.61-17-17%200-.55.45-1%201-1h3.5c.55%200%201%20.45%201%201%200%201.25.2%202.45.57%203.57.11.35.03.74-.25%201.02l-2.2%202.2z'%20fill='%232f6bff'/%3E%3C/svg%3E")}
.btn_group.xnn-convbar a.blue:hover{border-color:#2f6bff;background:#e9f0ff}
.btn_group.xnn-convbar a.wx{background:#ecfbf2;border:1.5px solid #b2e7c6;color:#077d3e;font-size:14.5px;font-weight:700}
.btn_group.xnn-convbar a.wx::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http%3A//www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M21%206h-2v9H6v2c0%20.55.45%201%201%201h11l4%204V7c0-.55-.45-1-1-1zm-4-6H3c-.55%200-1%20.45-1%201v14l4-4h10c.55%200%201-.45%201-1V1c0-.55-.45-1-1-1z'%20fill='%2307c160'/%3E%3C/svg%3E")}
.btn_group.xnn-convbar a.wx:hover{border-color:#07c160;background:#e2f8eb}
.xnn-cbrow{display:flex;justify-content:center;padding:8px 20px 26px}
.xnn-cbrow .btn_group.xnn-convbar{margin:0}
@media(max-width:991px){.btn_group.xnn-convbar{display:grid!important;grid-template-columns:1fr 1fr;gap:10px;width:100%!important;max-width:430px}.btn_group.xnn-convbar .xnn-free-cta{grid-column:1/-1;height:50px;justify-content:center;font-size:16.5px}.btn_group.xnn-convbar button.customer{grid-column:1/-1;height:48px;justify-content:center}.btn_group.xnn-convbar a.blue,.btn_group.xnn-convbar a.wx{height:44px;justify-content:center;padding:0 10px;font-size:14px}.xnn-cbrow{padding:4px 15px 18px}}
@media (max-width:768px){.pc-only{display:none!important}}
@media (min-width:769px){.m-only{display:none!important}}
@media (max-width:768px){:root{--red:#E60012;--red2:#C9151E;--orange:#FF7A1A;--grad:linear-gradient(135deg,#FF7A1A 0%,#E60012 100%);--blue:#1F5AF6;--bgrad:linear-gradient(135deg,#3D7BFF 0%,#1F3EE0 100%);--ink:#1f2329;--sub:#6b7280;--line:#eef0f3;--bg:#fff;--soft:#fff6f2;--chip:#f4f5f7}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#e9ecf1}.topbar{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;row-gap:7px;padding:8px 14px}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:var(--ink)}.brand img{height:26px;width:auto}.topbar .acts{display:flex;gap:8px}.tbtn{font-size:12px;padding:6px 12px;border-radius:20px;border:1px solid #c9d8ff;color:#1D4ED8;background:#fff;font-weight:700}.tbtn.solid{background:var(--bgrad);color:#fff;border:none}.topbar .contacts{flex:1 0 100%;display:flex;gap:8px}.cchip{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;font-size:12.5px;font-weight:800;padding:7px 6px;border-radius:10px}.c-tel{background:linear-gradient(135deg,#EFF6FF,#E3EEFF);color:#1D4ED8;border:1px solid #cfe0ff}.c-wx{background:linear-gradient(135deg,#ECFDF5,#E3F8EC);color:#0F7A4D;border:1px solid #bfe9d4}.tbtn.solid{background:var(--bgrad);color:#fff;border:none}section{padding:16px}.bg-a{background:linear-gradient(180deg,#fff3ec 0%,#fff8f4 100%)}.bg-b{background:linear-gradient(180deg,#eef4fa 0%,#f7fafd 100%)}.hero{padding:16px 16px 18px;position:relative;overflow:hidden;color:var(--ink);background:linear-gradient(165deg,#EAF3FF 0%,#F8FBFF 45%,#FFFFFF 100%)}.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(320px 220px at 88% -6%,rgba(14,165,233,.18),transparent 62%),radial-gradient(280px 220px at -12% 28%,rgba(124,58,237,.12),transparent 60%),radial-gradient(340px 260px at 68% 108%,rgba(37,99,235,.10),transparent 66%)}.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(37,99,235,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.07) 1px,transparent 1px);background-size:26px 26px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%)}.hero>*{position:relative;z-index:1}.hero h1{margin:0 0 6px;line-height:1.28;font-weight:900;display:flex;flex-direction:column;gap:5px}.hero .h1a{font-size:24px;letter-spacing:.5px;background:linear-gradient(92deg,#0891B2 0%,#2563EB 48%,#7C3AED 100%);-webkit-background-clip:text;background-clip:text;color:transparent;width:fit-content;filter:drop-shadow(0 3px 10px rgba(37,99,235,.22))}.hero .h1b{font-size:19px;color:var(--ink)}.hero .h1b em{font-style:normal;color:#fff;background:linear-gradient(135deg,#38BDF8,#2563EB);padding:2px 9px;border-radius:8px;margin-left:3px;box-shadow:0 4px 12px rgba(37,99,235,.35)}.h1sub{margin:0 0 13px;font-size:11.5px;color:#5b6472;letter-spacing:.4px}.h1sub b{color:#2563EB;font-weight:700}.m-only .banner{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;border-radius:14px;box-shadow:0 12px 30px rgba(37,99,235,.16),0 0 0 1px rgba(37,99,235,.1);scrollbar-width:none}.m-only .banner::-webkit-scrollbar{display:none}.m-only .banner a{flex:0 0 100%;scroll-snap-align:start}.m-only .banner img{width:100%;height:auto;border-radius:14px}.dots{display:flex;gap:5px;justify-content:center;margin:10px 0 12px}.dots i{width:6px;height:6px;border-radius:50%;background:#d9e4f5}.dots i.on{width:16px;border-radius:4px;background:#2563EB;box-shadow:0 0 8px rgba(37,99,235,.5)}.pillrow{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:13px}.pill{font-size:11px;color:#1e40af;background:#fff;border:1px solid #cfe0ff;border-radius:16px;padding:5px 10px;font-weight:600;box-shadow:0 2px 8px rgba(37,99,235,.06)}.pill b{color:#2563EB}.winbar{display:flex;align-items:center;gap:7px;background:linear-gradient(90deg,#FFF7E6,#FFF1D6);border:1px solid #ffe1a6;border-radius:10px;padding:8px 12px;font-size:12px;color:#8a5b00;margin-bottom:9px}.qnav{display:flex;align-items:center;gap:8px;margin-bottom:12px}.qnav-ai{flex:0 0 auto;display:flex;align-items:center;gap:6px;background:linear-gradient(90deg,#E8FBF6,#E5F7FF);border:1px solid #99e8d8;color:#0D9488;font-size:11.5px;font-weight:800;padding:8px 12px;border-radius:19px;text-decoration:none}.qnav-ai .pulse{flex:0 0 7px;width:7px;height:7px;border-radius:50%;background:#14B8A6;box-shadow:0 0 0 0 rgba(20,184,166,.7);animation:pulse 1.6s infinite}.qnav-links{flex:1;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.qnav-links::-webkit-scrollbar{display:none}.qnav-links a{flex:0 0 auto;background:#fff;border:1px solid #dbe6f5;color:#1d4ed8;font-size:11.5px;font-weight:700;padding:8px 13px;border-radius:19px;text-decoration:none}@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(20,184,166,0)}100%{box-shadow:0 0 0 0 rgba(20,184,166,0)}}.cta2{display:flex;gap:10px}.cta2 a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:13px 0;border-radius:12px;font-weight:800;font-size:15px}.cta2 .a1{background:linear-gradient(135deg,#38BDF8,#2563EB 60%,#4F46E5);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.35),0 0 0 1px rgba(255,255,255,.4) inset}.cta2 .a2{background:#fff;color:#1D4ED8;border:1.5px solid #c9d8ff}h2.bar{margin:0 0 13px;font-size:17px;color:#fff;background:var(--grad);padding:10px 14px;border-radius:11px;display:flex;align-items:center;justify-content:space-between;font-weight:800;box-shadow:0 5px 16px rgba(230,0,18,.2)}h2.bar a{color:#fff;font-size:12px;font-weight:500;opacity:.92}.sub{color:var(--sub);font-size:12px;margin:-4px 0 13px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:11px;padding:10px 4px;text-align:center}.stat b{display:block;font-size:17px;line-height:1.15;background:var(--bgrad);-webkit-background-clip:text;background-clip:text;color:transparent}.stat span{font-size:10px;color:var(--sub)}.hscroll{display:flex;gap:11px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}.hscroll::-webkit-scrollbar{display:none}.ccard{flex:0 0 148px;background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden;box-shadow:0 3px 10px rgba(31,35,41,.05)}.ccard img{width:100%;height:104px;object-fit:cover;object-position:top}.ccard.poster img{height:auto;object-fit:contain;background:#fff}.ccard .bd{padding:9px 10px 11px}.ccard .t{font-size:13px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ccard .m{font-size:11px;color:var(--sub);margin-top:3px}.ccard .lk{display:inline-block;margin-top:8px;background:var(--soft);color:var(--red);font-size:11px;font-weight:700;padding:4px 10px;border-radius:14px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:11px}.kcard{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden;box-shadow:0 3px 10px rgba(31,35,41,.05)}.kcard .kt{background:linear-gradient(135deg,#fff1e6,#ffe0cf);padding:9px 12px;font-size:14px;font-weight:800;color:var(--red2)}.kcard .kb{padding:10px 12px 12px}.kcard .km{font-size:11px;color:var(--sub);margin-bottom:9px;line-height:1.5;min-height:33px}.kcard .kbtn{display:block;text-align:center;background:var(--bgrad);color:#fff;font-size:12px;font-weight:700;padding:8px 0;border-radius:9px}.camp{flex:0 0 132px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.camp img{width:100%;height:88px;object-fit:cover}.camp p{margin:0;padding:7px 9px;font-size:11px;font-weight:600;text-align:center}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:4px}.chip{background:var(--chip);border-radius:18px;padding:6px 12px;font-size:12px;color:#333}.chip.hot{background:var(--soft);color:var(--red);font-weight:700}.qa{background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px 13px;margin-bottom:9px;display:flex;align-items:center;gap:10px}.qa .n{flex:0 0 22px;height:22px;border-radius:7px;background:var(--soft);color:var(--red);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}.qa .q{flex:1;font-size:13.5px;font-weight:600;line-height:1.4}.qa 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@media(max-width:991px){.mb_fixed_bottom{bottom:0!important}.mb_returnTop{bottom:158px!important;z-index:998}body.xnn-mq-off .mb_returnTop{bottom:158px!important}.mb_returnTop div{flex-direction:column}.mb_returnTop div svg{margin:.9rem auto .2rem}.mb_returnTop div::after{content:"回顶部";display:block;color:#fff;font-size:1.5rem;font-weight:700;line-height:1;margin:0 auto .7rem;letter-spacing:.1rem}}
@media (max-width:767px){#meiqia-container,#meiqia-container iframe{max-width:100vw !important;min-width:0 !important;width:100vw !important;left:0 !important;right:0 !important}}
@media (max-width:991px){html #meiqia-container iframe{bottom:64px !important}.mb_fixed_bottom,.xnh-mb-bar,nav.mbar{bottom:0 !important}.xnh-mb-topbtn,#xnn-backtop,.mb_returnTop{bottom:132px !important;z-index:99999999 !important}}
.teacher_wrap{position:relative;background:linear-gradient(180deg,#fff 0%,#f4f8ff 100%)!important;padding:50px 0 40px!important;height:auto!important;overflow:hidden;border-top:1px solid #eef3f8}
.teacher_wrap::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(circle at 1px 1px,rgba(0,114,255,.08) 1px,transparent 0);background-size:28px 28px;opacity:.6}
.xnn-teachers-hd{text-align:center;position:relative;z-index:1;margin-bottom:30px}
.xnn-teachers-hd .eyebrow{display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;font-size:13px;font-weight:700;letter-spacing:3px;color:#0072ff;text-transform:uppercase;background:none;border:none;padding:0;margin:0}
.xnn-teachers-hd .eyebrow::after{content:none}
.xnn-teachers-hd h2{margin:12px 0 8px;font-size:30px;font-weight:900;color:#0d1b2a}
.xnn-teachers-hd h2 em{font-style:normal;background:linear-gradient(90deg,#0072ff,#00c6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.xnn-teachers-hd .sub{color:#5a6b7b;font-size:14px}
.xnn-teachers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 30px;box-sizing:border-box}
.xnn-teachers .tc{background:#fff;border:1px solid #e3eaf3;border-radius:18px;padding:24px 18px 22px;text-align:center;box-shadow:0 4px 20px rgba(13,42,78,.05);transition:.25s;position:relative;overflow:hidden}
.xnn-teachers .tc::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,#0072ff,#00c6ff);transform:scaleX(0);transition:.25s}
.xnn-teachers .tc:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(13,42,78,.12);border-color:#c5e0ff}
.xnn-teachers .tc:hover::before{transform:scaleX(1)}
.xnn-teachers .photo-wrap{position:relative;width:124px;height:124px;margin:0 auto 16px}
.xnn-teachers .ava{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px #e8f4ff,0 8px 24px rgba(0,114,255,.18);position:relative;z-index:1;background:#f5f8fc;display:block}
.xnn-teachers .ring{position:absolute;inset:-8px;border-radius:50%;border:1px dashed rgba(0,114,255,.35)}
.xnn-teachers .tc:hover .ring{animation:xnntspin 8s linear infinite}
@keyframes xnntspin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.xnn-teachers .badge{display:inline-block;font-size:12px;font-weight:700;color:#0072ff;background:#eaf5ff;border:1px solid #d0e7ff;padding:3px 12px;border-radius:999px;margin-bottom:10px}
.xnn-teachers .nm{font-size:20px;font-weight:800;color:#0d1b2a}
.xnn-teachers .meta{font-size:13px;color:#5a6b7b;margin-top:10px;line-height:1.75}
.xnn-teachers .meta b{color:#0d1b2a;font-weight:700}
.xnn-teachers .score{margin-top:12px;font-size:13px;font-weight:700;color:#fff;background:linear-gradient(90deg,#0072ff,#00c6ff);border-radius:999px;padding:7px 16px;display:inline-block;box-shadow:0 6px 16px rgba(0,114,255,.22)}
.xnn-more-teachers{position:relative;z-index:1;display:block;max-width:280px;margin:28px auto 6px;padding:13px 24px;background:linear-gradient(90deg,#0072ff,#00c6ff);color:#fff;border-radius:999px;text-align:center;font-size:15px;font-weight:700;text-decoration:none;box-shadow:0 8px 22px rgba(0,114,255,.28);transition:transform .2s,box-shadow .2s}
.xnn-more-teachers:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,114,255,.36);color:#fff}
.xnn-fstats{position:relative;z-index:1}
.teacher_wrap .btn_group.xnn-convbar{position:relative;z-index:1}
@media(max-width:991px){.teacher_wrap{padding:32px 0 28px!important}.xnn-teachers{grid-template-columns:repeat(2,1fr);gap:12px;padding:0 15px}.xnn-teachers-hd h2{font-size:22px}.xnn-more-teachers{margin:18px auto 8px;padding:11px 18px;font-size:14px;max-width:240px}}
@media(max-width:600px){.xnn-teachers{grid-template-columns:1fr}}
@media (min-width:992px){.teacher_wrap{padding-top:40px}.teacher_wrap .title_wrap{margin-bottom:20px}.xnn-fstats{margin-top:14px;margin-bottom:16px}}
#toast{position:fixed;left:50%;bottom:120px;transform:translateX(-50%);background:#12306e;color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;z-index:999999;display:none;box-shadow:0 6px 18px rgba(10,30,80,.35)}
#toast.show{display:block}
.xnn-hero-in{position:relative}
.xnn-hero-search{position:absolute;right:0;top:0;z-index:2}
.xnn-hero-search form{display:flex;border:1.5px solid #d8e2f5;border-radius:999px;overflow:hidden;background:#fff;box-shadow:0 4px 14px rgba(16,39,80,.08)}
.xnn-hero-search input{border:none;padding:10px 16px;width:220px;font-size:14px;outline:none;color:#102750}
.xnn-hero-search input::placeholder{color:#8a9ab0}
.xnn-hero-search button{border:none;background:linear-gradient(135deg,#ff8a4d,#ed5b20);color:#fff;padding:0 16px;font-size:16px;cursor:pointer}
@media(max-width:900px){.xnn-hero-search{position:static;margin:14px auto 0;display:flex;justify-content:center}.xnn-hero-search input{width:60vw}}
.rv-row,.rv-more{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rv-more{margin-top:16px;display:none}
.rv-more.show{display:grid}
.rv-toggle{text-align:center;margin-top:18px}
.rv-toggle button{background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:8px 22px;font-size:13px;color:#41506b;cursor:pointer;transition:.2s}
.rv-toggle button:hover{border-color:var(--org);color:var(--org)}
@media(max-width:900px){.rv-row,.rv-more{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.rv-row,.rv-more{grid-template-columns:1fr}}
.xnn-loop-section{padding:62px 0 48px}
.xnn-loop-section .eyebrow{margin-top:0}
.xnn-timeline{position:relative;margin-top:28px}
.xnn-timeline-path{position:relative;height:230px;margin:0 auto;max-width:1200px}
.xnn-timeline-path svg{position:absolute;top:0;left:0;width:100%;height:100%;overflow:visible}
.xnn-timeline-path path{fill:none;stroke:#165DFF;stroke-width:3.5;stroke-linecap:round}
.xnn-timeline-path .tl-dot{fill:#165DFF;stroke:#fff;stroke-width:3}
.xnn-timeline-nodes{position:relative;height:230px;max-width:1200px;margin:-230px auto 0;display:flex;justify-content:space-between;align-items:flex-start;padding-top:22px}
.xnn-tl-node{position:relative;width:18%;text-align:center;z-index:2}
.xnn-tl-node:nth-child(odd){margin-top:108px}
.xnn-tl-node:nth-child(even){margin-top:12px}
.xnn-tl-node .tl-step{display:inline-block;background:linear-gradient(90deg,#165DFF,#3B82FF);color:#fff;font-size:11px;font-weight:700;padding:4px 11px;border-radius:20px;margin-bottom:8px;letter-spacing:.5px}
.xnn-tl-node .tl-title{font-size:17px;font-weight:700;color:#102750;margin-bottom:8px}
.xnn-tl-node .tl-desc{font-size:13px;color:#5b6b85;line-height:1.6}
.xnn-timeline-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1200px;margin:42px auto 0}
.xnn-tl-hl{background:#fff;border-radius:14px;padding:22px 20px;border:1px solid #e8edf3;box-shadow:0 8px 24px rgba(31,66,135,.06)}
.xnn-tl-hl h5{font-size:16px;font-weight:700;color:#102750;margin:0 0 10px}
.xnn-tl-hl h5 span{color:#165DFF}
.xnn-tl-hl p{font-size:13px;color:#5b6b85;line-height:1.65;margin:0}
@media(max-width:1100px){.xnn-timeline-path{height:300px}.xnn-timeline-nodes{height:300px;margin-top:-300px;flex-wrap:wrap;justify-content:center;gap:16px 2%;padding-top:20px}.xnn-tl-node{width:30%;margin-top:0!important}.xnn-tl-node:nth-child(odd){margin-top:60px!important}.xnn-tl-node:nth-child(even){margin-top:20px!important}}
@media(max-width:767px){.xnn-timeline-path{display:none}.xnn-timeline-nodes{position:static;height:auto;margin:0;display:grid;grid-template-columns:1fr;gap:14px;padding-top:0}.xnn-tl-node{width:auto;background:#fff;border-radius:12px;padding:18px;border:1px solid #e8edf3;text-align:left;display:flex;gap:14px;align-items:flex-start;margin-top:0!important}.xnn-tl-node .tl-step{flex:0 0 auto;margin-bottom:0}.xnn-tl-node .tl-body{flex:1 1 auto}.xnn-timeline-highlights{grid-template-columns:1fr;margin-top:24px}}
.kc2-meta{display:grid;gap:4px;margin:8px 0 10px}
.kc2-meta span{font-size:12px;color:#5b6472;line-height:1.4}
.kc2-meta b{color:#102750;font-weight:700;margin-right:6px;display:inline-block;min-width:28px}
.kc2 .ft{margin-top:auto}
.xnn-mbpop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99999}
.xnn-mbpop.show{display:block}
.xnn-mbpop .xbox{position:fixed;top:32%;left:0;right:0;margin:0 auto;width:72%;max-width:340px;background:#fff;border-radius:18px;padding:26px 20px;text-align:center}
.xnn-mbpop .xbox h2{margin:0 0 6px;color:#165DFF;font-size:22px}
.xnn-mbpop .xbox .con{font-size:24px;font-weight:600;color:#102750;margin:6px 0}
.xnn-mbpop .xbox .tip{display:none;color:#ed5b20;font-weight:600;margin-top:6px}
.xnn-mbpop .xbox .tip.show{display:block}
@media (min-width:992px){.xnn-kacc .coll .cside{cursor:pointer}.xnn-kacc .coll .cside .go{display:none}.xnn-kacc .coll .cside::after{content:"收起课程 ▴";position:absolute;right:14px;bottom:14px;font-size:12.5px;line-height:1;color:#fff;background:linear-gradient(135deg,#ff6b35,#ff8f3f);border:0;border-radius:999px;padding:7px 14px;font-weight:700;letter-spacing:1px;transition:.2s;white-space:nowrap;box-shadow:0 4px 12px rgba(255,107,53,.4)}.xnn-kacc .coll .cside:hover::after{background:linear-gradient(135deg,#ff5722,#ff7a2f);transform:translateY(-1px);box-shadow:0 6px 16px rgba(255,107,53,.55)}.xnn-kacc .coll.folded{grid-template-columns:1fr}.xnn-kacc .coll.folded .kgrid,.xnn-kacc .coll.folded .kmore{display:none}.xnn-kacc .coll.folded .cside{display:flex;align-items:center;gap:12px;padding:11px 18px}.xnn-kacc .coll.folded .cside p,.xnn-kacc .coll.folded .cside .en,.xnn-kacc .coll.folded .cside .fic{display:none}.xnn-kacc .coll.folded .cside h2{margin:0;font-size:17px}.xnn-kacc .coll.folded .cside .no{font-size:15px}.xnn-kacc .coll.folded .cside::after{content:"展开课程 ▾";position:static;margin-left:auto;flex:0 0 auto;align-self:center;font-size:13px;padding:8px 16px;color:#fff;background:linear-gradient(135deg,#ff6b35,#ff8f3f);border:0;font-weight:700;box-shadow:0 4px 12px rgba(255,107,53,.4)}.xnn-kacc .coll:not(.folded) .kgrid{animation:xnn-kacc-in .45s ease}@keyframes xnn-kacc-in{from{opacity:.25;transform:translateY(-6px)}to{opacity:1;transform:none}}}
@media (max-width:991px){.xnn-kacc .coll .cside::after{content:none}.xnn-kacc .coll .cside{cursor:default}}
.xnn-zt-lead{font-size:13px;color:#667085;margin:10px 0 8px}
.xnn-zt-lead b{color:#e63946;font-weight:800;font-size:15px}
.xnn-zt-btn{display:block;text-align:center;width:100%;box-sizing:border-box;background:#ff6b35;color:#fff;border-radius:8px;padding:10px 0;font-size:15px;font-weight:700;text-decoration:none;cursor:pointer}
.xnn-zt-btn:hover{opacity:.9;color:#fff}
.xnn-hero-search{position:relative}
.xnn-sug{position:absolute;z-index:999990;background:#fff;border-radius:12px;box-shadow:0 12px 32px rgba(15,27,45,.18);border:1px solid #eef0f3;overflow:hidden}
.xnn-sug[hidden]{display:none}
.xnn-sug a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;color:#1b2a41;text-decoration:none;font-size:14px;border-bottom:1px solid #f3f5f7}
.xnn-sug a:last-child{border-bottom:0}
.xnn-sug a:hover,.xnn-sug a.on{background:#fff4ee;color:#ff6b35}
.xnn-sug a .cat{font-size:12px;color:#98a2b3;white-space:nowrap}
.xnn-sug a.xnn-sug-more{display:block;text-align:center;padding:9px;font-size:13px;color:#ff6b35;font-weight:700;background:#fff7f2}