.v-d > .cr{--c1:#0B1E3F;--c2:#FF6A1A;--c2-ink:#B53A0A;--on-c2:#0B1E3F;--bg:#F3F5F9;--surface:#FFFFFF;--surface-2:#E8EDF5;--ink:#0B1E3F;--ink-2:#4A5A75;--line:#D5DDE8;--logo-car:#0B1E3F;--logo-radar:#FF6A1A;--hero:var(--c1);--hero-2:#142B55;--hero-ink:#F3F6FB;--hero-ink-2:#A8B5CB;--hero-line:rgba(255,255,255,.14);--ok:#0F7040;--warn:#8A5100;--bad:#C42B2B;--shadow:0 1px 2px rgba(11,30,63,.06),0 10px 28px rgba(11,30,63,.08);--c2-soft:color-mix(in srgb,var(--c2) 14%,transparent);--ok-soft:color-mix(in srgb,var(--ok) 13%,transparent);--warn-soft:color-mix(in srgb,var(--warn) 14%,transparent);--bad-soft:color-mix(in srgb,var(--bad) 12%,transparent);background:var(--bg);color:var(--ink);font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:16px;line-height:1.5}
html[data-theme="dark"] .v-d > .cr{--c2-ink:#FF8A47;--bg:#061229;--surface:#0D1D3B;--surface-2:#0A1832;--ink:#EEF2F8;--ink-2:#A4B2C9;--line:#1F335A;--logo-car:#FFFFFF;--hero:#040D1F;--ok:#3CCB7F;--warn:#F2B23A;--bad:#FF7A7A;--shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.35)}
.v-d .on-dark{--logo-car:#FFFFFF}
.v-d .wmk{fill:none;stroke-width:24;stroke-linecap:round}
.v-d .s6{stroke-width:6}
.v-d .s7{stroke-width:7}
.v-d .lc{stroke:var(--logo-car)}
.v-d .lr{stroke:var(--logo-radar)}
.v-d .fr{fill:var(--logo-radar);stroke:none}
.v-d h1,.v-d h2,.v-d h3,.v-d p,.v-d ul,.v-d ol,.v-d figure{margin:0}
.v-d ul,.v-d ol{padding:0;list-style:none}
.v-d a{color:var(--c2-ink)}
.v-d a:hover{color:var(--ink)}
.v-d :focus-visible{outline:3px solid var(--c2);outline-offset:2px}
.v-d .mono{font-family:'JetBrains Mono',ui-monospace,monospace}
.v-d .h1{font-family:'Sora',system-ui,sans-serif;font-weight:800;letter-spacing:-.03em;line-height:1.08;color:var(--ink)}
.v-d .h2{font-family:'Sora',system-ui,sans-serif;font-weight:800;letter-spacing:-.025em;line-height:1.14;color:var(--ink)}
.v-d .h3{font-family:'Sora',system-ui,sans-serif;font-weight:700;letter-spacing:-.015em;line-height:1.25;color:var(--ink)}
.v-d .eyebrow{font-size:12.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--c2-ink)}
.v-d .muted{color:var(--ink-2)}
.v-d .wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.v-d .card{background:var(--surface);border:1px solid var(--line);border-radius:20px}
.v-d .hov{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.v-d .hov:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--c2) 45%,var(--line))}
.v-d a.card,.v-d a.card:hover{color:inherit;text-decoration:none}
.v-d .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;box-sizing:border-box;padding:0 22px;border-radius:14px;border:0;font:inherit;font-size:16px;font-weight:800;line-height:1.2;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease}
.v-d .btn:hover{transform:translateY(-1px)}
.v-d .btn:active{transform:translateY(0) scale(.98)}
.v-d .btn-p{background:var(--c2);color:var(--on-c2);box-shadow:0 8px 20px color-mix(in srgb,var(--c2) 30%,transparent)}
.v-d .btn-p:hover{color:var(--on-c2)}
.v-d .btn-s{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.v-d .btn-s:hover{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink-2)}
.v-d .btn-sm{min-height:44px;padding:0 16px;font-size:15px;border-radius:12px}
.v-d .icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;flex:none;border:0;border-radius:12px;background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.v-d .icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.v-d .pill{display:inline-flex;align-items:center;gap:6px;min-height:30px;box-sizing:border-box;padding:0 11px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:13px;font-weight:700;white-space:nowrap}
.v-d .lnk{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--c2-ink);font-weight:800;text-decoration:none}
.v-d .lnk:hover{color:var(--c2-ink);text-decoration:underline;text-underline-offset:3px}
.v-d .hdr{position:sticky;top:0;z-index:40;background:var(--surface);border-bottom:1px solid var(--line)}
.v-d .nav{display:flex;align-items:center;gap:2px}
.v-d .nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--ink);font-size:15px;font-weight:600;text-decoration:none}
.v-d .nav a:hover{background:var(--surface-2);color:var(--ink)}
.v-d .nav a[aria-current="page"]{color:var(--c2-ink);font-weight:800}
@media (max-width:980px){.v-d .nav{display:none}.v-d .hide-sm{display:none}}
.v-d .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.v-d .crumb a{color:var(--ink-2);text-decoration:none}
.v-d .crumb a:hover{color:var(--ink);text-decoration:underline}
.v-d .seg{display:inline-grid;grid-auto-flow:column;gap:4px;padding:4px;border-radius:12px;background:var(--surface-2)}
.v-d .seg button{min-height:42px;padding:0 14px;border:0;border-radius:9px;background:transparent;color:var(--ink-2);font:inherit;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap}
.v-d .seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.14),inset 0 0 0 1px var(--line)}
.v-d .seg button:disabled{opacity:.4;cursor:not-allowed}
.v-d .toc a,.v-d .toc button{width:100%;display:flex;align-items:center;gap:10px;min-height:44px;padding:0 10px;border:0;border-radius:10px;background:transparent;color:var(--ink-2);font:inherit;font-size:14.5px;font-weight:700;text-align:left;text-decoration:none;cursor:pointer}
.v-d .toc a:hover,.v-d .toc button:hover{background:var(--surface-2);color:var(--ink)}
.v-d .toc button[aria-current="step"]{background:var(--c2-soft);color:var(--ink)}
.v-d .toc .n{flex:none;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}
.v-d .toc button.done .n{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.v-d .toc button[aria-current="step"] .n{background:var(--c2);border-color:var(--c2);color:var(--on-c2)}
.v-d .player{position:relative;aspect-ratio:16/9;border-radius:22px;overflow:hidden;background:#040D1F;color:#F3F6FB}
.v-d .msheet{position:absolute;border-radius:8px;background:#F5F2EA;box-shadow:0 16px 36px rgba(0,0,0,.45)}
.v-d .vframe{position:absolute;border-radius:6px;box-shadow:0 0 0 3px #FF6A1A,0 0 0 600px rgba(4,13,31,.45);animation:d-tutorial-desktop-vframe 18s cubic-bezier(.6,0,.3,1) infinite}
.v-d .vcap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:10px;opacity:0;animation:d-tutorial-desktop-vcap 18s linear infinite}
.v-d .vprog{display:block;height:100%;width:0;border-radius:inherit;background:#FF6A1A;animation:d-tutorial-desktop-vprog 18s linear infinite}
.v-d .player.paused .vframe,.v-d .player.paused .vcap,.v-d .player.paused .vprog{animation-play-state:paused}
@keyframes d-tutorial-desktop-vframe{0%,14%{left:3.3%;top:1.9%;width:93.3%;height:6.3%}16.6%,30.6%{left:3.3%;top:9.4%;width:20%;height:15.6%}33.3%,47.3%{left:25%;top:9.4%;width:30%;height:15.6%}50%,64%{left:56.7%;top:9.4%;width:40%;height:15.6%}66.6%,80.6%{left:3.3%;top:26.9%;width:93.3%;height:43.8%}83.3%,97.5%{left:3.3%;top:71.9%;width:93.3%;height:26.3%}100%{left:3.3%;top:1.9%;width:93.3%;height:6.3%}}
@keyframes d-tutorial-desktop-vcap{0%{opacity:0;transform:translateY(8px)}1.5%,15%{opacity:1;transform:none}16.6%,100%{opacity:0;transform:translateY(-6px)}}
@keyframes d-tutorial-desktop-vprog{from{width:0}to{width:100%}}
.v-d .sheet .tr{display:none}
.v-d .sheet.lang-tr .tr{display:inline}
.v-d .sheet.lang-tr .jp{display:none}
.v-d .spotlight{position:absolute;border-radius:12px;box-shadow:0 0 0 3px var(--c2),0 0 0 3000px rgba(4,13,31,.5);pointer-events:none;transition:left .55s cubic-bezier(.2,.8,.2,1),top .55s cubic-bezier(.2,.8,.2,1),width .55s cubic-bezier(.2,.8,.2,1),height .55s cubic-bezier(.2,.8,.2,1)}
.v-d .spot{position:absolute;width:44px;height:44px;margin:-22px 0 0 -22px;padding:0;border:0;background:transparent;cursor:pointer}
.v-d .spot-dot{position:absolute;left:7px;top:7px;width:30px;height:30px;border-radius:50%;border:2px solid #FFFFFF;box-sizing:border-box;background:var(--c2);color:#0B1E3F;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(0,0,0,.3);transition:transform .15s ease}
.v-d .spot:hover .spot-dot{transform:scale(1.1)}
.v-d .spot.on .spot-dot{background:#FFFFFF;color:#0B1E3F;transform:scale(1.2)}
.v-d .spot.done .spot-dot{background:#0B1E3F;color:#FFFFFF}
.v-d .code{position:absolute;min-width:52px;height:44px;margin:-22px 0 0 -26px;padding:0;border:0;background:transparent;cursor:pointer}
.v-d .code-box{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:28px;box-sizing:border-box;padding:0 6px;border-radius:7px;border:2px solid #1B1B1B;background:#FFFFFF;color:#1B1B1B;font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:700}
.v-d .code.on .code-box{background:var(--c2);border-color:var(--c2);color:#0B1E3F}
.v-d .gbtn{min-height:52px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font-family:'Sora',sans-serif;font-weight:800;font-size:16px;cursor:pointer;transition:transform .15s ease}
.v-d .gbtn:hover{transform:translateY(-2px)}
.v-d .gbtn[aria-pressed="true"]{border-color:var(--c2);background:var(--c2);color:var(--on-c2)}
.v-d .gbtn.r{color:var(--warn)}
.v-d .gbtn.r[aria-pressed="true"]{color:var(--on-c2)}
.v-d .qopt{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;padding:0 16px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:15px;font-weight:700;text-align:left;cursor:pointer}
.v-d .qopt:hover{border-color:var(--ink-2)}
.v-d .qopt.right{border-color:var(--ok);background:var(--ok-soft)}
.v-d .qopt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.v-d .ctbl{width:100%;border-collapse:collapse;font-size:14.5px}
.v-d .ctbl th{padding:10px 12px;text-align:left;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);border-bottom:1px solid var(--line)}
.v-d .ctbl td{padding:11px 12px;border-bottom:1px solid var(--line)}
.v-d .ctbl tr:last-child td{border-bottom:0}
.v-d .foot a{color:var(--hero-ink-2);text-decoration:none}
.v-d .foot a:hover{color:var(--hero-ink);text-decoration:underline}
@keyframes d-tutorial-desktop-rise{from{opacity:0;translate:0 16px}to{opacity:1;translate:none}}
@keyframes d-tutorial-desktop-pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.v-d .pop{animation:d-tutorial-desktop-pop .3s ease both}
@media (prefers-reduced-motion:no-preference){@supports (animation-timeline:view()){.v-d .rv{animation:d-tutorial-desktop-rise linear both;animation-timeline:view();animation-range:entry 0% entry 50%}}}
@media (prefers-reduced-motion:reduce){.v-d *,.v-d *::before,.v-d *::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}.v-d .vframe{animation:none !important;left:3.3%;top:9.4%;width:20%;height:15.6%}.v-d .vcap{animation:none !important;opacity:0}.v-d .vcap.c2{opacity:1}.v-d .vprog{animation:none !important;width:23%}}
.v-d .ilogo{display:inline-block;height:.86em;width:3.83em;vertical-align:-.04em;overflow:visible}
.v-d .lw1,.v-d .lw2{animation:d-tutorial-desktop-lwave 5s ease-in-out infinite}
.v-d .lw2{animation-delay:.18s}
.v-d .eyebrow{display:inline-flex;align-items:center;gap:8px}
.v-d .eyebrow::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:currentColor;animation:d-tutorial-desktop-eping 2.8s ease-out infinite}
.v-d .btn-p{position:relative;overflow:hidden}
.v-d .btn-p::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-20deg);transition:left .7s ease;pointer-events:none}
.v-d .btn-p:hover::after{left:130%}
.v-d .nav a{position:relative}
.v-d .nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;border-radius:2px;background:var(--c2);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.v-d .nav a:hover::after,.v-d .nav a[aria-current="page"]::after{transform:scaleX(1)}
.v-d .stg>*{animation:d-tutorial-desktop-rise2 .6s cubic-bezier(.2,.8,.2,1) both}
.v-d .stg>*:nth-child(2){animation-delay:.07s}
.v-d .stg>*:nth-child(3){animation-delay:.14s}
.v-d .stg>*:nth-child(4){animation-delay:.21s}
.v-d .stg>*:nth-child(5){animation-delay:.28s}
.v-d .stg>*:nth-child(6){animation-delay:.35s}
.v-d .stg>*:nth-child(7){animation-delay:.42s}
.v-d .stg>*:nth-child(8){animation-delay:.49s}
.v-d .stg>*:nth-child(9){animation-delay:.56s}
.v-d .stg>*:nth-child(10){animation-delay:.63s}
.v-d .shimmer{position:relative;overflow:hidden}
.v-d .shimmer::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);transform:translateX(-100%);animation:d-tutorial-desktop-shim 2.6s ease-in-out infinite;pointer-events:none}
.v-d .card.hv{transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s ease,border-color .25s ease}
.v-d .card.hv:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--c2) 45%,var(--line))}
.v-d .mdim{position:absolute;left:0;right:0;top:100%;height:100vh;background:rgba(4,13,31,.55);animation:d-tutorial-desktop-fadein .25s ease both}
.v-d .mmenu{position:absolute;left:0;right:0;top:100%;display:flex;flex-direction:column;gap:4px;padding:10px 12px 16px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 22px 44px rgba(0,0,0,.28);animation:d-tutorial-desktop-menuin .32s cubic-bezier(.2,.8,.2,1) both}
.v-d .mitem{display:flex;align-items:center;gap:14px;min-height:60px;padding:8px 10px;border-radius:14px;color:var(--ink);text-decoration:none;animation:d-tutorial-desktop-menuin .35s cubic-bezier(.2,.8,.2,1) both}
.v-d .mitem:nth-child(2){animation-delay:.04s}
.v-d .mitem:nth-child(3){animation-delay:.08s}
.v-d .mitem:nth-child(4){animation-delay:.12s}
.v-d .mitem:hover{background:var(--surface-2);color:var(--ink)}
.v-d .mitem[aria-current="page"]{background:var(--c2-soft)}
.v-d .mitem b{display:block;font-size:16px}
.v-d .mitem small{display:block;font-size:13px;color:var(--ink-2);font-weight:500}
.v-d .mico{flex:none;width:40px;height:40px;border-radius:12px;background:var(--c2-soft);color:var(--c2-ink);display:flex;align-items:center;justify-content:center}
.v-d .ribbon{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 10px;border-radius:8px;background:var(--c2);color:var(--on-c2);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
@keyframes d-tutorial-desktop-lwave{0%,76%,100%{opacity:1}83%{opacity:.12}91%{opacity:1}}
@keyframes d-tutorial-desktop-eping{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--c2) 55%,transparent)}70%,100%{box-shadow:0 0 0 7px transparent}}
@keyframes d-tutorial-desktop-rise2{from{opacity:0;translate:0 14px}to{opacity:1;translate:none}}
@keyframes d-tutorial-desktop-shim{to{transform:translateX(100%)}}
@keyframes d-tutorial-desktop-fadein{from{opacity:0}to{opacity:1}}
@keyframes d-tutorial-desktop-menuin{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.v-d .lw1,.v-d .lw2,.v-d .eyebrow::before,.v-d .stg>*,.v-d .shimmer::after,.v-d .mdim,.v-d .mmenu,.v-d .mitem{animation:none !important}.v-d .btn-p::after{display:none}}
.v-d .card.jump1{animation:d-tutorial-desktop-jumpA 1.2s ease .25s both}
.v-d .card.jump2{animation:d-tutorial-desktop-jumpB 1.2s ease .25s both}
@keyframes d-tutorial-desktop-jumpA{0%{border-color:var(--c2);box-shadow:0 0 0 0 color-mix(in srgb,var(--c2) 55%,transparent)}100%{box-shadow:0 0 0 22px transparent}}
@keyframes d-tutorial-desktop-jumpB{0%{border-color:var(--c2);box-shadow:0 0 0 0 color-mix(in srgb,var(--c2) 55%,transparent)}100%{box-shadow:0 0 0 22px transparent}}
@media (prefers-reduced-motion:reduce){.v-d .card.jump1,.v-d .card.jump2{animation:none}}