.kf2026[data-v-3387b19c]{--bg-deep:#120d3a;--neon-pink:#ff4fd8;--neon-cyan:#3fe3ff;--neon-purple:#b46bff;--text:#eef0ff;--text-dim:#c9cdf2;--price:#a98bff;--nav-bg:rgba(18,13,58,.92);background:#120d3a;background:var(--bg-deep);-webkit-clip-path:inset(0);clip-path:inset(0);color:#eef0ff;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;isolation:isolate;overflow-x:clip;position:relative}:where(.kf2026) *[data-v-3387b19c]{box-sizing:border-box;margin:0;padding:0}:where(.kf2026) img[data-v-3387b19c]{display:block;max-width:100%}.kf2026[data-v-3387b19c]:before{background:linear-gradient(160deg,#2a2163,#1a1446 30%,#0d0b28 65%,#06051a);content:"";top:0;right:0;bottom:0;left:0;pointer-events:none;position:fixed;z-index:-1}.hero img[data-v-3387b19c]{height:auto;width:100%}.anchor-nav[data-v-3387b19c]{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:var(--nav-bg);border-bottom:1px solid rgba(63,227,255,.35);left:0;position:fixed;right:0;top:calc(var(--height-layout-header)*1);top:calc(var(--height-layout-header)*var(--is-global-header-hidden, 1));transform:translateY(-100%);transition:transform .3s ease,visibility .3s;visibility:hidden;z-index:var(--z-index-sale-tabs)}.anchor-nav.show[data-v-3387b19c]{transform:translateY(0);visibility:visible}.anchor-nav ul[data-v-3387b19c]{display:flex;gap:32px;list-style:none;margin:0 auto;max-width:1278px;overflow-x:auto;padding:0 20px;scrollbar-width:none;white-space:nowrap}.anchor-nav ul[data-v-3387b19c]::-webkit-scrollbar{display:none}.anchor-nav a[data-v-3387b19c]{border-bottom:3px solid transparent;color:var(--text-dim);display:block;font-size:18px;line-height:1.6;padding:16px 0;text-decoration:none}.anchor-nav a.active[data-v-3387b19c]{border-bottom-color:var(--neon-cyan);color:var(--neon-cyan)}@media (min-width:768px){.anchor-nav ul[data-v-3387b19c]{gap:56px;justify-content:center}.anchor-nav a[data-v-3387b19c]{font-size:22px;padding:19px 0}}@media (min-width:1024px){.anchor-nav[data-v-3387b19c]{top:calc(var(--height-desktop-layout-header)*1);top:calc(var(--height-desktop-layout-header)*var(--is-global-header-hidden, 1))}}.section[data-v-3387b19c]{overflow:hidden;position:relative;scroll-margin-top:calc(var(--height-layout-header) + 60px)}@media (min-width:1024px){.section[data-v-3387b19c]{scroll-margin-top:calc(var(--height-desktop-layout-header) + 70px)}}.inner[data-v-3387b19c]{margin:0 auto;max-width:1210px;padding:25px 20px 50px;position:relative;z-index:1}@media (min-width:768px){.inner[data-v-3387b19c]{padding:40px 20px 60px}}.title-box[data-v-3387b19c]{background:#1d1160b3;border:3px solid var(--neon-pink);border-radius:14px;box-shadow:8px 8px 0 -2px var(--neon-cyan);margin:0 auto 30px;max-width:385px;padding:22px 24px}.title-box h2[data-v-3387b19c]{color:#fff;font-size:22px;font-weight:700;letter-spacing:.5px;line-height:1.4;text-align:center}@media (min-width:768px){.title-box[data-v-3387b19c]{margin-bottom:60px;max-width:1170px;padding:26px 32px}.title-box h2[data-v-3387b19c]{font-size:26px}}.title-fit .title-box[data-v-3387b19c]{max-width:none;padding-left:12px;padding-right:12px;width:var(--title-w)}.card-link[data-v-3387b19c]{border-radius:inherit;top:0;right:0;bottom:0;left:0;position:absolute;z-index:2}.course-card[data-v-3387b19c],.pack-card[data-v-3387b19c]{position:relative}.course-card[data-v-3387b19c],.ex-card[data-v-3387b19c]{cursor:pointer}.intro .inner[data-v-3387b19c]{padding:28px 20px 50px}@media (min-width:768px){.intro .m-br[data-v-3387b19c],.title-box .m-br[data-v-3387b19c]{display:none}}.intro .hl-date[data-v-3387b19c]{background:#7b3df0;-webkit-box-decoration-break:clone;box-decoration-break:clone;color:#fff;font-weight:700;padding:2px 6px}.intro .hl-code[data-v-3387b19c]{background:#ffc107;color:#1a1a1a;font-weight:700;padding:1px 6px}.intro p[data-v-3387b19c]{color:var(--text);font-size:16px;line-height:2;text-align:center}.intro p+p[data-v-3387b19c]{margin-top:12px}@media (min-width:768px){.intro .inner[data-v-3387b19c]{padding:36px 20px 60px}.intro p[data-v-3387b19c]{font-size:18px}}.bundle-grid[data-v-3387b19c]{display:grid;gap:24px;grid-template-columns:minmax(0,1fr);list-style:none;margin:0 auto;max-width:1170px}@media (min-width:768px){.bundle-grid[data-v-3387b19c]{grid-template-columns:repeat(2,minmax(0,1fr));max-width:788px}}@media (min-width:1024px){.bundle-grid[data-v-3387b19c]{grid-template-columns:repeat(3,minmax(0,1fr));max-width:1170px}}.bundle-card[data-v-3387b19c]{background:#060a14;border:1px solid #4b5962;border-radius:12px;color:#fafafa;display:flex;flex-direction:column}.bundle-card .b-head[data-v-3387b19c]{background:linear-gradient(90deg,#c22a9e,#7a3be8);border-radius:11px 11px 0 0;padding:18px 20px}.bundle-card .b-title[data-v-3387b19c]{color:#fff;font-size:22px;font-weight:700;line-height:30px;text-align:center}.bundle-card .b-desc[data-v-3387b19c]{color:#bbc9d3;display:-webkit-box;font-size:15px;height:48px;line-height:24px;margin:20px 20px 0;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.bundle-card .b-list[data-v-3387b19c]{display:flex;flex-direction:column;gap:16px;list-style:none;padding:20px}.bundle-card .b-item[data-v-3387b19c]{align-items:flex-start;display:flex;gap:12px;text-decoration:none}.bundle-card .b-item:hover span[data-v-3387b19c]{text-decoration:underline}.bundle-card .b-item img[data-v-3387b19c]{background:#1b1e2a;border-radius:4px;flex-shrink:0;height:63px;-o-object-fit:cover;object-fit:cover;width:112px}.bundle-card .b-item span[data-v-3387b19c]{color:#fafafa;display:-webkit-box;font-size:15px;line-height:24px;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.bundle-card .b-price[data-v-3387b19c]{padding:0 20px 24px}.bundle-card .b-now[data-v-3387b19c]{color:var(--price);font-size:28px;font-weight:700;line-height:36px}.bundle-card .b-sub[data-v-3387b19c]{display:flex;font-size:14px;gap:12px;line-height:20px}.bundle-card .b-sub del[data-v-3387b19c],.bundle-card .b-sub span[data-v-3387b19c]{color:#8c98a1}@media (min-width:768px){.bundle-card .b-head[data-v-3387b19c]{padding:18px 28px}.bundle-card .b-desc[data-v-3387b19c]{margin:24px 28px 0}.bundle-card .b-list[data-v-3387b19c]{padding:24px 28px}.bundle-card .b-price[data-v-3387b19c]{padding:0 28px 28px}}.course-card[data-v-3387b19c]{background:#060a14;border-radius:12px;color:#fff;display:flex;flex-direction:column;flex-shrink:0;height:389px;overflow:hidden;width:280px}.course-card .cover[data-v-3387b19c]{border-radius:8px 8px 0 0;height:158px;-o-object-fit:cover;object-fit:cover;width:280px}.course-card .body[data-v-3387b19c]{display:flex;flex:1;flex-direction:column;gap:16px;padding:12px 12px 20px}.course-card .head[data-v-3387b19c]{display:flex;flex-direction:column;gap:8px}.course-card .name[data-v-3387b19c]{display:-webkit-box;font-size:18px;font-weight:700;height:56px;line-height:28px;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-card .teacher[data-v-3387b19c]{color:#bbc9d3;font-size:16px;line-height:24px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-card .who[data-v-3387b19c]{align-items:center;display:flex;gap:12px;min-width:0}.course-card .stat[data-v-3387b19c]{align-items:center;display:flex;flex-shrink:0;font-size:16px;gap:4px;line-height:24px}.course-card .stat.rate[data-v-3387b19c]{color:#ffa91f}.course-card .stat svg[data-v-3387b19c]{height:20px;width:20px}.course-card .price-row[data-v-3387b19c]{align-items:flex-start;border-top:1px solid #586874;display:flex;gap:8px;justify-content:flex-end;margin-top:auto;padding-top:16px}.course-card .pr[data-v-3387b19c]{align-items:flex-end;display:flex;flex-direction:column;min-height:50px}.course-card .tag[data-v-3387b19c]{border:1px solid var(--price);border-radius:4px;color:var(--price);flex-shrink:0;font-size:14px;line-height:20px;margin-right:auto;margin-top:1px;padding:4px 6px;white-space:nowrap}.course-card .orig[data-v-3387b19c]{color:#8c98a1;font-size:16px;line-height:24px}.course-card .pr .orig[data-v-3387b19c]{font-size:14px;line-height:18px}.course-card .price[data-v-3387b19c]{color:var(--price);font-size:24px;font-weight:700;line-height:32px}.rail-head[data-v-3387b19c]{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.rail-sub[data-v-3387b19c]{color:var(--text-dim);font-size:15px;font-weight:700;line-height:24px;text-align:center}.bundle-sub[data-v-3387b19c]{margin-bottom:20px}.rail-ctrl[data-v-3387b19c]{align-items:center;align-self:flex-end;display:none;gap:20px}.rail-btns[data-v-3387b19c]{display:flex;gap:8px}.rail-btn[data-v-3387b19c]{align-items:center;background:#4b5962;border:0;border-radius:50%;color:#fff;cursor:pointer;display:flex;height:28px;justify-content:center;width:28px}.rail-btn svg[data-v-3387b19c]{height:16px;width:16px}.rail-btn[data-v-3387b19c]:disabled{cursor:default;opacity:.35}.rail[data-v-3387b19c]{margin:0 -20px;overflow-x:auto;padding:0 20px;scroll-behavior:smooth;scroll-padding:0 20px;scroll-snap-type:x mandatory;scrollbar-width:none}.rail[data-v-3387b19c]::-webkit-scrollbar{display:none}@media (min-width:768px){.title-box.rail-title[data-v-3387b19c]{margin-bottom:30px}.rail-sub[data-v-3387b19c]{font-size:16px}}@media (hover:hover) and (pointer:fine){.rail-ctrl[data-v-3387b19c]{display:flex}}.ex-track[data-v-3387b19c]{position:relative;width:-moz-max-content;width:max-content}.ex-col[data-v-3387b19c],.ex-track[data-v-3387b19c]{display:flex;gap:16px}.ex-col[data-v-3387b19c]{flex-direction:column;scroll-snap-align:start}.ex-card[data-v-3387b19c]{border-radius:12px;color:#fff;isolation:isolate;overflow:hidden;position:relative}.ex-card .bg[data-v-3387b19c]{background-position:50%;background-size:cover;filter:blur(24px);top:0;right:0;bottom:0;left:0;position:absolute;transform:scale(1.2);z-index:-1}.ex-card .bg[data-v-3387b19c]:after{background:#060a148c;content:"";top:0;right:0;bottom:0;left:0;position:absolute}.ex-card .thumb[data-v-3387b19c]{border-radius:4px;flex-shrink:0;overflow:hidden}.ex-card .thumb img[data-v-3387b19c]{display:block;height:100%;-o-object-fit:cover;object-fit:cover;width:100%}.ex-card .txt[data-v-3387b19c]{display:flex;flex-direction:column;gap:12px;min-width:0}.ex-card h3[data-v-3387b19c]{display:-webkit-box;font-size:16px;font-weight:700;line-height:24px;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ex-card .who[data-v-3387b19c]{align-items:center;display:flex;font-size:14px;gap:16px;line-height:20px}.ex-card .who .t[data-v-3387b19c]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ex-card .rate[data-v-3387b19c]{align-items:center;color:#ffa91f;display:inline-flex;flex-shrink:0;gap:4px}.ex-card .rate svg[data-v-3387b19c]{height:16px;width:16px}.ex-card p[data-v-3387b19c]{color:#bbc9d3;display:-webkit-box;font-size:14px;line-height:22px;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ex-small[data-v-3387b19c]{align-items:center;display:flex;gap:20px;height:182px;padding:12px;width:555px}.ex-small .thumb[data-v-3387b19c]{aspect-ratio:260/158;width:260px}@media (min-width:768px){#exclusive .rail-ctrl[data-v-3387b19c]{display:none}#exclusive .rail[data-v-3387b19c]{margin:0;overflow:visible;padding:0}.ex-track[data-v-3387b19c]{display:grid;grid-template-columns:minmax(0,1fr);width:auto}.ex-col[data-v-3387b19c]{display:contents}.ex-small[data-v-3387b19c]{aspect-ratio:762/268;gap:16px;height:auto;padding:12px;width:auto}.ex-small .thumb[data-v-3387b19c]{aspect-ratio:426/238;width:56%}.ex-card .thumb[data-v-3387b19c]{border-radius:8px}.ex-card .txt[data-v-3387b19c]{gap:8px}.ex-card .who[data-v-3387b19c]{font-size:15px;line-height:22px}.ex-card .rate svg[data-v-3387b19c]{height:18px;width:18px}.ex-small p[data-v-3387b19c]{-webkit-line-clamp:3}}@media (min-width:1024px){.ex-track[data-v-3387b19c]{grid-template-columns:repeat(2,minmax(0,1fr))}}.top-track[data-v-3387b19c]{display:grid;gap:16px;grid-auto-flow:column;grid-template-rows:repeat(2,auto);list-style:none;position:relative;width:-moz-max-content;width:max-content}.top-track .course-card[data-v-3387b19c]{scroll-snap-align:start}.top-track .ph[data-v-3387b19c]{list-style:none;visibility:hidden}@media (max-width:767px){.top-track .course-card[data-v-3387b19c]{height:auto;width:250px}.top-track .course-card .cover[data-v-3387b19c]{height:141px;width:250px}}@media (min-width:1200px){.top-track[data-v-3387b19c]{grid-auto-flow:row;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:none;width:auto}.top-track .course-card[data-v-3387b19c]{height:auto;order:var(--o);width:auto}.top-track .course-card .cover[data-v-3387b19c]{aspect-ratio:280/158;height:auto;width:100%}}.top-track.one-row[data-v-3387b19c]{grid-template-rows:auto}@media (min-width:1200px){#ai-beginner .rail-ctrl[data-v-3387b19c],#ai-dev .rail-ctrl[data-v-3387b19c],#algo-leetcode .rail-ctrl[data-v-3387b19c],#cert .rail-ctrl[data-v-3387b19c],#coding .rail-ctrl[data-v-3387b19c],#data .rail-ctrl[data-v-3387b19c],#modern-dev .rail-ctrl[data-v-3387b19c],#more .rail-ctrl[data-v-3387b19c],#quant .rail-ctrl[data-v-3387b19c],#sysops .rail-ctrl[data-v-3387b19c]{display:none}#ai-beginner .rail[data-v-3387b19c],#ai-dev .rail[data-v-3387b19c],#algo-leetcode .rail[data-v-3387b19c],#cert .rail[data-v-3387b19c],#coding .rail[data-v-3387b19c],#data .rail[data-v-3387b19c],#modern-dev .rail[data-v-3387b19c],#more .rail[data-v-3387b19c],#quant .rail[data-v-3387b19c],#sysops .rail[data-v-3387b19c]{margin:0;overflow:visible;padding:0}.top-track.one-row[data-v-3387b19c]{grid-template-columns:repeat(4,calc(20% - 12.8px));justify-content:center}#aiTrack[data-v-3387b19c],#algoTrack1[data-v-3387b19c],#devTrack[data-v-3387b19c],#quantTrack[data-v-3387b19c],#sysopsTrack[data-v-3387b19c]{grid-template-columns:repeat(5,minmax(0,1fr))}.top-track .ph[data-v-3387b19c]{display:none}#algoTrack2[data-v-3387b19c],#certTrack[data-v-3387b19c],#codingTrack[data-v-3387b19c]{grid-template-columns:repeat(4,calc(20% - 12.8px));justify-content:center}}.career-desc+.pack-card[data-v-3387b19c]{margin-top:20px}.pack-card[data-v-3387b19c]{background:#060a14;border:1px solid #4b5962;border-radius:10px;color:#bbc9d3;margin:48px auto 0;max-width:1167px;overflow:hidden;padding:8px 20px 24px}.pack-banner[data-v-3387b19c]{border-radius:0;display:block;height:auto;margin:-8px -20px 8px;max-width:none;width:calc(100% + 40px)}.pack-list[data-v-3387b19c]{align-items:stretch;display:flex;flex-direction:column;list-style:none}.pack-item[data-v-3387b19c]{align-items:flex-start;display:flex;gap:12px;padding:16px 0}.pack-item>img[data-v-3387b19c]{border-radius:4px;flex-shrink:0;height:45px;-o-object-fit:cover;object-fit:cover;width:80px}.pack-item p[data-v-3387b19c]{font-size:14px;line-height:22px;margin-top:8px}.pack-badge[data-v-3387b19c]{background:#7b3df0;border-radius:5px;color:#fff;display:inline-block;font-size:14px;font-weight:500;line-height:28px;padding:0 9px}.pack-badge b[data-v-3387b19c]{font-size:18px;font-weight:700}.pack-plus[data-v-3387b19c]{display:flex;justify-content:flex-start;padding-left:30px}.plus-ic[data-v-3387b19c]{display:block;height:20px;width:20px}.pack-price[data-v-3387b19c]{align-items:flex-end;border-top:1px solid #4b5962;display:flex;gap:14px;justify-content:flex-end;margin-top:8px;padding-top:20px}.pack-price del[data-v-3387b19c]{color:#8c98a1;font-size:16px;line-height:32px}.pack-now[data-v-3387b19c]{align-items:flex-end;display:flex;flex-direction:column}.pack-now small[data-v-3387b19c]{color:var(--price);font-size:13px;line-height:18px}.pack-price span[data-v-3387b19c]{color:var(--price);font-size:24px;font-weight:500;line-height:32px}.pack-cta[data-v-3387b19c]{align-items:center;align-self:center;background:linear-gradient(90deg,var(--neon-pink),var(--neon-purple));border-radius:10px;color:#fff;display:inline-flex;font-size:16px;font-weight:700;gap:8px;margin-left:8px;padding:10px 20px;position:relative;text-decoration:none;white-space:nowrap;z-index:3}.pack-cta svg[data-v-3387b19c]{height:12px;width:12px}.more-cta[data-v-3387b19c]{display:flex;justify-content:center;margin-top:48px}.more-cta .pack-cta[data-v-3387b19c]{font-size:18px;margin:0;padding:14px 40px}@media (max-width:767px){.pack-price[data-v-3387b19c]{flex-wrap:wrap}.pack-cta[data-v-3387b19c]{flex-basis:100%;justify-content:center;margin:8px 0 0}}@media (min-width:1024px){.pack-card[data-v-3387b19c]{padding:30px 41px 30px 35px}.pack-banner[data-v-3387b19c]{aspect-ratio:2340/410;margin:-30px -41px 30px -35px;-o-object-fit:cover;object-fit:cover;width:calc(100% + 76px)}.pack-list[data-v-3387b19c]{align-items:flex-start;flex-direction:row}.pack-item[data-v-3387b19c]{flex:1;flex-direction:column;gap:22px;padding:0 0 30px}.pack-item>img[data-v-3387b19c]{height:108px;max-width:194px;width:100%}.pack-item>div[data-v-3387b19c]{display:flex;flex-direction:column}.pack-item p[data-v-3387b19c]{font-size:16px;line-height:24px}.pack-badge[data-v-3387b19c]{align-self:flex-start}.pack-plus[data-v-3387b19c]{padding:42px 12px 0}.plus-ic[data-v-3387b19c]{height:24px;width:24px}.pack-price[data-v-3387b19c]{margin-top:0;padding-top:18px}}.notes .inner[data-v-3387b19c]{max-width:1000px;padding:25px 20px 60px}.notes h2[data-v-3387b19c]{color:var(--neon-cyan);font-size:18px;font-weight:700;margin-bottom:16px}.notes ol[data-v-3387b19c]{padding-left:1.4em}.notes li[data-v-3387b19c]{color:var(--text-dim);font-size:14px;line-height:1.9}.notes li+li[data-v-3387b19c]{margin-top:6px}
