:root{
    --bg:#0B0D10;
    --bg-2:#101319;
    --bg-3:#151922;
    --surface:#171B23;
    --surface-2:#1D222C;
    --surface-3:#242A35;
    --text:#F4F1EA;
    --text-2:#C5C0B7;
    --text-3:#898E98;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.14);
    --primary:#C94F4F;
    --primary-2:#E06A58;
    --primary-soft:rgba(201,79,79,.14);
    --gold:#C9A86A;
    --gold-soft:rgba(201,168,106,.14);
    --ice:#6EA7B9;
    --ice-soft:rgba(110,167,185,.12);
    --success:#6E9B7D;
    --shadow:0 20px 60px rgba(0,0,0,.34);
    --shadow-soft:0 12px 32px rgba(0,0,0,.22);
    --radius:10px;
    --radius-card:16px;
    --radius-large:24px;
    --wrap:1360px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;min-width:0;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
body.search-open,body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{color:inherit}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px}
::selection{background:var(--primary);color:#fff}
.wrap{width:min(calc(100% - 48px),var(--wrap));margin:0 auto}
.narrow{width:min(760px,100%)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:18px;top:10px;z-index:1000;transform:translateY(-160%);padding:8px 12px;background:var(--text);color:var(--bg);border-radius:8px}
.skip-link:focus{transform:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
.tag{display:inline-flex;padding:4px 8px;border:1px solid var(--line);border-radius:999px;color:var(--text-2);font-size:12px;line-height:1.2}
.tag.gold{color:var(--gold);border-color:rgba(201,168,106,.25);background:var(--gold-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border:1px solid var(--line-strong);border-radius:9px;background:var(--surface-2);color:var(--text);font-weight:720;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease}
.btn:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.28);background:var(--surface-3)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-2);border-color:var(--primary-2)}
.btn.ghost{background:transparent;color:var(--gold);border-color:rgba(201,168,106,.32)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--gold);font-weight:750}
.text-link:hover{color:var(--text)}
.news-strip{height:28px;background:#090A0D;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text-3);font-size:12px;overflow:hidden}
.news-strip-inner{height:28px;display:flex;align-items:center;gap:22px;white-space:nowrap}
.news-strip-inner>span{color:var(--primary-2);font-weight:800}.news-strip a:hover{color:var(--text)}
.site-header{position:sticky;top:0;z-index:90;height:72px;background:rgba(11,13,16,.88);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}
.site-header.scrolled{border-color:var(--line);box-shadow:0 10px 28px rgba(0,0,0,.22)}
.header-inner{height:72px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:900;letter-spacing:.02em}
.brand img{width:34px;height:34px;object-fit:contain;border-radius:8px;border:1px solid var(--line)}
.desktop-nav{display:flex;align-items:stretch;height:100%;gap:2px;margin-left:auto}
.desktop-nav a{position:relative;display:flex;align-items:center;padding:0 11px;color:#B9BBC2;font-size:14px;font-weight:650;transition:color .18s ease}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--text)}
.desktop-nav a.active:after{content:"";position:absolute;left:30%;right:30%;bottom:0;height:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:8px}
.header-link,.icon-btn{min-height:38px;border:1px solid transparent;background:transparent;color:var(--text-2);border-radius:8px;padding:6px 9px;cursor:pointer;font-size:13px}
.header-link:hover,.icon-btn:hover{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.03)}
.icon-btn em{font-style:normal;margin-left:4px}.menu-trigger{display:none}
.mobile-drawer{position:fixed;inset:0;z-index:140;background:rgba(3,4,6,.72);backdrop-filter:blur(8px);display:flex;justify-content:flex-end}
.mobile-drawer[hidden]{display:none!important}
.drawer-panel{width:min(420px,92vw);height:100%;padding:22px;background:var(--bg-2);border-left:1px solid var(--line);box-shadow:var(--shadow)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close,.search-close{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:var(--surface);font-size:24px;cursor:pointer}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:18px}.drawer-grid a{padding:13px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.drawer-grid a:hover{border-color:var(--line-strong);background:var(--surface-2)}
.search-modal{display:none;position:fixed;inset:0;z-index:160;align-items:flex-start;justify-content:center;padding:9vh 24px;background:rgba(3,4,6,.84);backdrop-filter:blur(12px)}
.search-modal.is-open{display:flex}
.search-modal[hidden]{display:none !important;}
.search-dialog{width:min(780px,100%);padding:28px;border:1px solid var(--line-strong);border-radius:var(--radius-large);background:var(--bg-2);box-shadow:var(--shadow)}
.dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.dialog-top h2{margin:6px 0 0;font-size:clamp(24px,4vw,38px)}
.search-form,.hero-search{display:flex;gap:10px;margin-top:24px}.search-form input,.hero-search input{width:100%;min-width:0;height:48px;padding:0 15px;border:1px solid var(--line-strong);border-radius:9px;background:var(--surface);color:var(--text);outline:none}.search-form input:focus,.hero-search input:focus{border-color:var(--ice);box-shadow:0 0 0 3px var(--ice-soft)}
.hot-terms,.search-suggest{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.hot-terms>span{color:var(--text-3);font-size:13px;padding:7px 0}.hot-terms a,.search-suggest a{padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--text-2);font-size:13px}.hot-terms a:hover,.search-suggest a:hover{border-color:var(--ice);color:var(--text)}
.section{position:relative;padding:88px 0}.compact-section{padding:38px 0}.surface-section{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.035);border-bottom:1px solid rgba(255,255,255,.035)}.deep-band{background:linear-gradient(180deg,#0c0f13 0%,#131720 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}.section-head>div{max-width:800px}.section-head h2{margin:6px 0 8px;font-size:clamp(29px,3.7vw,46px);line-height:1.15;letter-spacing:-.03em}.section-head p{margin:0;color:var(--text-2);font-size:16px;max-width:760px}.large-copy{font-size:clamp(18px,2vw,23px);line-height:1.8;color:var(--text-2)}
.home-hero{position:relative;padding:46px 0 54px;background:radial-gradient(circle at 54% 18%,rgba(110,167,185,.08),transparent 30%),radial-gradient(circle at 8% 50%,rgba(201,79,79,.08),transparent 34%),var(--bg);border-bottom:1px solid var(--line)}
.hero-magazine-grid{min-height:650px;display:grid;grid-template-columns:5fr 4fr 3fr;gap:22px;align-items:stretch}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:42px 28px 42px 0}.hero-copy h1{margin:12px 0 16px;font-size:clamp(42px,4.6vw,72px);line-height:1.04;letter-spacing:-.055em}.hero-copy>p{margin:0;color:var(--text-2);font-size:18px;max-width:680px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.hero-trust{display:flex;gap:22px;margin-top:30px;padding-top:18px;border-top:1px solid var(--line);color:var(--text-3);font-size:13px}.hero-trust b{display:block;color:var(--text);font-size:16px}.hero-poster{position:relative;align-self:center;height:590px;margin:0;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--radius-large);background:var(--surface);box-shadow:var(--shadow)}.hero-poster:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(6,8,11,.9) 100%);pointer-events:none}.hero-poster img{width:100%;height:100%;object-fit:cover}.hero-poster figcaption{position:absolute;z-index:2;left:24px;right:24px;bottom:22px}.hero-poster figcaption span{display:block;color:var(--gold);font-size:11px;letter-spacing:.15em}.hero-poster figcaption strong{display:block;margin-top:4px;font-size:20px}.hero-rail{align-self:center;padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);background:rgba(23,27,35,.72);box-shadow:var(--shadow-soft)}.hero-rail h2{margin:12px 0 8px;font-size:22px}.rail-status{display:flex;align-items:center;gap:8px;color:var(--text-3);font-size:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(110,155,125,.12)}.hero-rail ol{list-style:none;margin:8px 0 0;padding:0}.hero-rail li+li{border-top:1px solid var(--line)}.hero-rail li a{display:grid;grid-template-columns:32px 1fr;gap:8px;padding:15px 0}.hero-rail li span{color:var(--text-3);font-size:12px}.hero-rail li strong{font-size:14px;line-height:1.45}.hero-rail li a:hover strong{color:var(--gold)}.rail-editor{margin-top:12px;padding:16px;border-radius:12px;background:var(--gold-soft);border:1px solid rgba(201,168,106,.18)}.rail-editor span{color:var(--gold);font-size:12px}.rail-editor p{margin:5px 0 8px;color:var(--text-2);font-size:13px}.rail-editor a{font-size:13px;font-weight:800}
.hot-search-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.hot-search-row strong{margin-right:6px}.hot-search-row a{padding:6px 10px;color:var(--text-2);border-bottom:1px solid var(--line)}.hot-search-row a:hover{color:var(--gold);border-color:var(--gold)}
.focus-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:22px}.focus-main{position:relative;min-height:560px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-large);background:var(--surface)}.focus-main>img{width:100%;height:100%;object-fit:cover}.focus-main:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 25%,rgba(8,10,13,.94) 86%)}.focus-main>div{position:absolute;z-index:2;left:28px;right:28px;bottom:26px}.focus-main>div>span{color:var(--gold);font-size:12px}.focus-main h3{margin:7px 0 8px;font-size:30px;line-height:1.25}.focus-main p{margin:0 0 10px;color:var(--text-2)}.focus-main a{color:var(--gold);font-weight:800}.focus-side{display:grid;grid-template-columns:1fr 1fr;gap:12px}.focus-side article{padding:20px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}.focus-side article:hover{transform:translateY(-2px);border-color:var(--line-strong)}.focus-side span{color:var(--primary-2);font-size:12px}.focus-side h3{margin:7px 0;font-size:17px;line-height:1.4}.focus-side p{margin:0;color:var(--text-3);font-size:13px}
.feature-split{display:grid;grid-template-columns:1.2fr 1fr;gap:26px}.feature-split figure{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-large);min-height:520px}.feature-split figure img{width:100%;height:100%;object-fit:cover}.feature-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}.feature-list>a{display:grid;grid-template-columns:38px 1fr;gap:10px;padding:17px 0;border-bottom:1px solid var(--line)}.feature-list>a>span{color:var(--gold);font-size:12px}.feature-list b{display:block}.feature-list p{margin:5px 0 0;color:var(--text-3);font-size:13px}.feature-list a:hover b{color:var(--gold)}
.timeline{position:relative;max-width:1000px;margin-left:8%}.timeline:before{content:"";position:absolute;left:73px;top:0;bottom:0;width:1px;background:linear-gradient(var(--primary),var(--line))}.timeline article{display:grid;grid-template-columns:70px 1fr;gap:34px;position:relative;padding:0 0 32px}.timeline article:before{content:"";position:absolute;left:68px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--primary)}.timeline time{color:var(--primary-2);font-weight:800;font-size:13px}.timeline h2,.timeline h3{margin:0 0 7px;font-size:20px}.timeline p{margin:0;color:var(--text-2)}
.scroll-shell{position:relative}.media-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(310px,32%);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:6px}.media-scroll::-webkit-scrollbar{display:none}.media-card{scroll-snap-align:start;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);transition:transform .18s ease,border-color .18s ease}.media-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s ease}.media-card:hover img{transform:scale(1.02)}.media-card>div{padding:17px}.media-card h2,.media-card h3{margin:9px 0 6px;font-size:19px;line-height:1.35}.media-card p{margin:0 0 10px;color:var(--text-3);font-size:14px}.media-card a{font-size:13px;color:var(--gold);font-weight:800}.scroll-btn{position:absolute;z-index:3;top:45%;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:50%;background:rgba(17,20,26,.92);cursor:pointer;box-shadow:var(--shadow-soft)}.scroll-btn.prev{left:-20px}.scroll-btn.next{right:-20px}.scroll-btn:hover{background:var(--surface-3)}
.dual-rank{display:grid;grid-template-columns:1fr 1fr;gap:22px}.dual-rank>div{padding:26px;border:1px solid var(--line);border-radius:var(--radius-large);background:var(--surface)}.dual-rank h3{margin:0 0 12px;font-size:24px}.dual-rank ol{list-style:none;margin:0;padding:0}.dual-rank li{display:grid;grid-template-columns:36px 1fr;gap:12px;padding:15px 0;border-top:1px solid var(--line)}.dual-rank li>span{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--gold);font-size:18px}.dual-rank li b{display:block}.dual-rank li small{color:var(--text-3)}.dual-rank li p{margin:5px 0 0;color:var(--text-2);font-size:13px}.editor-rank{background:linear-gradient(180deg,var(--surface),#1a1712)!important}.editor-rank img{margin-top:18px;width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.short-masonry{columns:3;column-gap:16px}.short-card{display:inline-block;width:100%;margin:0 0 16px;break-inside:avoid;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}.short-card img{width:100%;object-fit:cover}.short-card.size-1 img{aspect-ratio:4/5}.short-card.size-2 img{aspect-ratio:1/1}.short-card.size-3 img{aspect-ratio:4/3}.short-card>div{padding:16px}.short-card span{color:var(--ice);font-size:12px}.short-card h3{margin:6px 0;font-size:18px}.short-card p{margin:0;color:var(--text-3);font-size:13px}
.story-layout{display:grid;grid-template-columns:1.2fr .8fr .55fr;gap:20px;align-items:stretch}.story-layout figure{margin:0;overflow:hidden;border-radius:var(--radius-large);border:1px solid var(--line)}.story-layout figure img{width:100%;height:100%;object-fit:cover}.story-layout aside{align-self:end;padding:20px;border-top:2px solid var(--primary);background:var(--surface)}.story-layout aside p{margin:7px 0 0;color:var(--text-2)}
.magazine-columns{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:center}.magazine-columns figure{margin:0;overflow:hidden;border-radius:var(--radius-large);border:1px solid var(--line)}.magazine-columns figure img{width:100%;aspect-ratio:4/5;object-fit:cover}.numbered-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.numbered-notes article{padding:18px;border-left:1px solid var(--line);background:linear-gradient(90deg,rgba(255,255,255,.025),transparent)}.numbered-notes span{color:var(--primary-2);font-size:12px}.numbered-notes h3{font-size:17px}.numbered-notes p{color:var(--text-3);font-size:13px}
.rank-board,.tutorial-rank{border-top:1px solid var(--line)}.rank-board>a,.tutorial-rank>a{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}.rank-board>a:hover,.tutorial-rank>a:hover{background:rgba(255,255,255,.018)}.rank-no{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--gold);font-size:22px}.rank-board b,.tutorial-rank b{display:block}.rank-board small,.tutorial-rank small{color:var(--text-3)}.rank-board em,.tutorial-rank em{font-style:normal;color:var(--primary-2);font-size:12px}.tutorial-rank em{display:flex;gap:14px;align-items:center}.tutorial-rank i{font-style:normal;color:var(--text-3)}
.quick-nav-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.quick-nav-grid a{padding:17px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-weight:800}.quick-nav-grid a small{display:block;margin-top:5px;color:var(--text-3);font-weight:500}.quick-nav-grid a:hover{border-color:var(--gold);transform:translateY(-2px)}
.feature-band{padding:0;background:#12100d;border-top:1px solid rgba(201,168,106,.16);border-bottom:1px solid rgba(201,168,106,.16)}.feature-band-inner{min-height:430px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:40px}.feature-band h2{margin:9px 0 14px;font-size:clamp(34px,4.1vw,55px);line-height:1.08}.feature-band p{color:var(--text-2);font-size:17px}.feature-band figure{margin:0;height:100%;overflow:hidden;border-left:1px solid var(--line)}.feature-band figure img{width:100%;height:100%;object-fit:cover}
.journey-line{display:grid;grid-template-columns:repeat(7,1fr);position:relative}.journey-line:before{content:"";position:absolute;left:7%;right:7%;top:31px;height:1px;background:var(--line-strong)}.journey-line a{position:relative;z-index:2;text-align:center;padding:0 8px}.journey-line span{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 12px;border-radius:50%;border:1px solid var(--line-strong);background:var(--bg-2);color:var(--gold);font-size:12px}.journey-line a:hover span{border-color:var(--primary);background:var(--primary-soft)}.journey-line b,.journey-line small{display:block}.journey-line small{color:var(--text-3)}
.lesson-grid,.practice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.lesson-grid article,.practice-grid article{padding:22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}.lesson-grid span{color:var(--gold);font-size:12px}.lesson-grid h3{margin:8px 0}.lesson-grid p,.practice-grid p{margin:0;color:var(--text-2)}
.split-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}.shoot-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.shoot-mini-grid article{padding:20px;border:1px solid var(--line);background:var(--surface);border-radius:12px}.shoot-mini-grid p{margin:6px 0 0;color:var(--text-3)}
.lab-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}.lab-strip article{padding:24px;background:var(--bg-2)}.lab-strip span{color:var(--ice);font-size:12px}.lab-strip h3{margin:8px 0}.lab-strip p{margin:0;color:var(--text-3)}
.edit-console{padding:24px;border:1px solid var(--line);border-radius:var(--radius-large);background:#10141a}.edit-track{display:flex;height:48px;overflow:hidden;border-radius:9px;border:1px solid var(--line)}.edit-track span{display:flex;align-items:center;justify-content:center;padding:0 8px;border-right:1px solid var(--line);background:var(--ice-soft);color:var(--text-2);font-size:12px}.edit-track span:nth-child(2){background:rgba(110,167,185,.18)}.edit-track span:nth-child(3){background:rgba(201,79,79,.12)}.edit-track span:nth-child(4){background:rgba(201,168,106,.12)}.edit-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.edit-notes article{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.edit-notes p{margin:6px 0 0;color:var(--text-3)}
.ai-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center}.ai-layout figure{margin:0;overflow:hidden;border-radius:var(--radius-large);border:1px solid var(--line)}.ai-layout figure img{width:100%;aspect-ratio:4/5;object-fit:cover}.signal-list{list-style:none;margin:0 0 20px;padding:0;border-top:1px solid var(--line)}.signal-list li{display:grid;grid-template-columns:120px 1fr;gap:10px;padding:14px 0;border-bottom:1px solid var(--line)}.signal-list b{color:var(--ice)}.signal-list span{color:var(--text-2)}
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