:root{--bg:#0b0d10;--panel:#14171b;--panel2:#1b1f24;--line:#2a2f36;--gold:#f3ba2f;--gold2:#ffd972;--text:#f7f7f5;--muted:#a9adb5;--danger:#ff6b55;--radius:18px;--shell:min(1120px,calc(100% - 32px));font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color-scheme:dark}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 75% -10%,rgba(243,186,47,.14),transparent 30rem),var(--bg);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:var(--shell);margin-inline:auto}.skip{position:fixed;left:1rem;top:-5rem;background:var(--gold);color:#111;padding:.65rem 1rem;z-index:50}.skip:focus{top:1rem}.site-header{width:var(--shell);margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;z-index:10}.brand{display:flex;align-items:center;gap:12px;font-weight:800;line-height:1.15}.brand-mark{display:grid;place-items:center;width:40px;height:40px;background:var(--gold);color:#111;border-radius:10px;transform:rotate(4deg)}.brand small{display:block;color:var(--muted);font-size:.72rem;font-weight:500;margin-top:4px}.site-nav{display:flex;align-items:center;gap:1.3rem;color:#d4d6da;font-size:.93rem}.site-nav a:hover,.site-nav a:focus{color:var(--gold)}.nav-toggle{display:none;background:var(--panel);color:#fff;border:1px solid var(--line);padding:.5rem .8rem;border-radius:9px}.home-intro{display:grid;grid-template-columns:1.45fr 1fr;gap:4rem;align-items:end;padding:5rem 0 2.2rem}.eyebrow{color:var(--gold);font-size:.72rem;letter-spacing:.18em;font-weight:800;margin:0 0 .8rem}.home-intro h1,.page-head h1,.prose h1{font-size:clamp(2.7rem,7vw,5.8rem);letter-spacing:-.06em;line-height:.96;margin:0}.home-intro h1 span{color:var(--gold)}.intro-copy{color:#d0d3d7;font-size:1.05rem}.risk{border-left:3px solid var(--gold);padding:.75rem 1rem;background:rgba(243,186,47,.07);color:#d8d8d5}.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.entry-card{min-height:190px;padding:1.4rem;display:grid;grid-template-columns:auto 1fr auto;gap:1rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(20,23,27,.76);transition:.2s ease}.entry-card:hover,.entry-card:focus-visible{background:var(--panel2);transform:translateY(-3px)}.entry-card.featured{background:var(--gold);color:#101113}.entry-card.warning{border-bottom-color:var(--danger)}.entry-card>span{font-size:.72rem;color:var(--muted)}.entry-card.featured>span{color:#5b470d}.entry-card h2{font-size:1.35rem;margin:.1rem 0 .35rem}.entry-card p{margin:0;color:var(--muted);font-size:.91rem}.entry-card.featured p{color:#4b3b10}.entry-card b{color:var(--gold);font-size:1.2rem}.entry-card.featured b{color:#111}.latest{padding:5rem 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.3rem}.section-heading h2{font-size:2rem;margin:0}.section-heading>a{color:var(--gold)}.check-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.check-list li{display:grid;grid-template-columns:4rem 1fr;gap:1rem;padding:1.2rem 0;border-bottom:1px solid var(--line)}.check-list b{color:var(--gold)}.page-head{padding:4.5rem 0 2.5rem;max-width:820px;margin-left:max(16px,calc((100% - 1120px)/2))}.page-head h1{font-size:clamp(2.7rem,6vw,4.8rem)}.page-head>p:not(.eyebrow){color:var(--muted);font-size:1.05rem;max-width:700px}.content-grid,.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;padding-bottom:5rem}.content-card,.guide-card,.empty{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}.content-card h2,.guide-card h2{margin:.45rem 0;font-size:1.35rem}.content-card p,.guide-card p{color:var(--muted)}.card-meta,.guide-card small{color:var(--gold);font-weight:700;font-size:.78rem}.button{display:inline-flex;background:var(--gold);color:#121212;font-weight:800;border:0;border-radius:10px;padding:.72rem 1rem;margin-top:.8rem}.button.disabled{background:#2b2f34;color:#8f949b}.faq-list{padding-bottom:5rem}.faq-list details{border-bottom:1px solid var(--line);padding:1.3rem 0}.faq-list summary{cursor:pointer;display:flex;justify-content:space-between;gap:1rem;font-size:1.15rem;font-weight:700;list-style:none}.faq-list summary span{color:var(--gold)}.faq-list details div{color:var(--muted);max-width:780px;padding-top:1rem}.guide-card{margin:0;padding:0;overflow:hidden}.image-open{display:block;width:100%;padding:0;border:0;background:#050607;cursor:zoom-in;aspect-ratio:16/10}.image-open img{display:block;width:100%;height:100%;object-fit:contain}.image-placeholder{display:grid;place-items:center;aspect-ratio:16/10;color:var(--muted);background:#090a0c}.guide-card figcaption{padding:1.2rem 1.4rem}dialog{padding:0;border:1px solid var(--line);background:#060708;max-width:min(94vw,1100px);max-height:92vh}dialog::backdrop{background:rgba(0,0,0,.88)}dialog img{display:block;max-width:90vw;max-height:88vh}.dialog-close{position:absolute;right:.5rem;top:.5rem;width:42px;height:42px;border:0;border-radius:50%;background:#111;color:#fff;font-size:1.6rem}.article-list{padding-bottom:5rem}.article-row{display:grid;grid-template-columns:10rem 1fr auto;align-items:center;gap:1.5rem;padding:1.5rem 0;border-bottom:1px solid var(--line)}.article-row time{color:var(--gold);font-size:.84rem}.article-row h2{margin:0 0 .35rem}.article-row p{margin:0;color:var(--muted)}.article-row>b{color:var(--gold);font-size:1.4rem}.prose{max-width:800px;padding:4rem 0 6rem}.back{color:var(--muted)}.prose .eyebrow{margin-top:3rem}.prose h1{font-size:clamp(2.5rem,6vw,4.5rem)}.lead{font-size:1.2rem;color:var(--muted);margin:1.5rem 0 3rem}.prose-body{font-size:1.05rem}.prose-body img{max-width:100%;height:auto}.prose-body h2{font-size:1.7rem;margin-top:2.5rem}.search-form{margin-top:2rem}.search-form label{display:block;font-size:.86rem;font-weight:700;margin-bottom:.5rem}.search-form>div{display:flex}.search-form input{width:100%;background:#101216;color:#fff;border:1px solid var(--line);border-radius:12px 0 0 12px;padding:.85rem 1rem}.search-form button{border:0;background:var(--gold);color:#111;font-weight:800;padding:0 1.2rem;border-radius:0 12px 12px 0}.site-footer{width:var(--shell);margin:auto;border-top:1px solid var(--line);padding:2.2rem 0 3rem;display:grid;grid-template-columns:1fr 2fr;gap:3rem;color:var(--muted);font-size:.85rem}.site-footer p{margin:.25rem 0}.site-footer strong{color:#fff}:focus-visible{outline:3px solid var(--gold2);outline-offset:3px}
@media(max-width:800px){.site-header{min-height:68px}.nav-toggle{display:block}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#111418;border:1px solid var(--line);border-radius:12px;padding:.7rem;grid-template-columns:repeat(2,1fr);box-shadow:0 18px 40px #000}.site-nav.open{display:grid}.site-nav a{padding:.65rem}.home-intro{grid-template-columns:1fr;gap:1.5rem;padding:3.2rem 0 1.8rem}.entry-grid{grid-template-columns:1fr 1fr}.entry-card{min-height:170px;grid-template-columns:auto 1fr;padding:1.1rem}.entry-card b{display:none}.content-grid,.guide-grid{grid-template-columns:1fr}.article-row{grid-template-columns:1fr auto;gap:.5rem}.article-row time{grid-column:1/-1}.site-footer{grid-template-columns:1fr;gap:1rem}.page-head{padding-top:3rem}.section-heading{align-items:start;flex-direction:column}}@media(max-width:480px){:root{--shell:calc(100% - 24px)}.home-intro h1{font-size:2.8rem}.entry-grid{grid-template-columns:1fr}.entry-card{min-height:145px}.check-list li{grid-template-columns:2.5rem 1fr}}

/* 高对比黑金视觉层：不使用官方商标与官方页面结构。 */
body{background:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),radial-gradient(circle at 75% -10%,rgba(243,186,47,.18),transparent 31rem),#080a0d;background-size:48px 48px,48px 48px,auto,auto}
.brand-mark{background:linear-gradient(145deg,#ffe091,var(--gold));box-shadow:0 8px 28px rgba(243,186,47,.2)}
.home-intro h1 span{text-shadow:0 0 34px rgba(243,186,47,.16)}
.entry-grid{box-shadow:0 28px 80px rgba(0,0,0,.32)}
.entry-card{background:linear-gradient(145deg,rgba(24,28,33,.9),rgba(13,15,18,.94));transition:transform .22s ease,background .22s ease,box-shadow .22s ease}
.entry-card:hover,.entry-card:focus-visible{transform:translateY(-4px);box-shadow:inset 0 2px 0 var(--gold),0 18px 42px rgba(0,0,0,.35)}
.entry-card.featured{background:linear-gradient(145deg,#ffe091,var(--gold))}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.entry-card{transition:none}}

/* 首页品牌门户 */
.portal-hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.65fr);gap:2rem;min-height:610px;align-items:center;padding:5.5rem 0 3.5rem}.unofficial-pill{display:inline-flex;margin:0 0 1.4rem;padding:.28rem .65rem;border:1px solid #50545a;border-radius:999px;color:#c8cbd0;font-size:.72rem;letter-spacing:.08em}.portal-hero h1{font-size:clamp(3.8rem,8vw,7.4rem);line-height:.88;letter-spacing:-.075em;margin:0;max-width:830px}.portal-hero h1 span{color:var(--gold);text-shadow:0 0 38px rgba(243,186,47,.18)}.hero-lead{max-width:650px;color:#bdc1c7;font-size:1.06rem;margin:2rem 0}.hero-actions{display:flex;gap:1.25rem;align-items:center}.hero-actions .button{margin:0}.hero-primary{box-shadow:0 14px 38px rgba(243,186,47,.18)}.text-link{color:#d9dadd;border-bottom:1px solid #696d73}.trust-panel{position:relative;padding:2rem;border:1px solid #343941;background:linear-gradient(145deg,rgba(26,30,36,.94),rgba(10,12,15,.97));box-shadow:0 30px 90px rgba(0,0,0,.42);overflow:hidden}.trust-panel:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(243,186,47,.32);transform:rotate(45deg);right:-100px;top:-100px}.trust-kicker{font-size:.75rem;color:#aeb2b8;letter-spacing:.08em}.trust-kicker span{display:inline-block;width:7px;height:7px;background:var(--gold);border-radius:50%;margin-right:.45rem;box-shadow:0 0 14px var(--gold)}.trust-number{font-size:clamp(4.7rem,9vw,7.8rem);font-weight:900;line-height:1;color:var(--gold);letter-spacing:-.08em;margin:2.8rem 0 .4rem}.trust-number sup{font-size:.28em;vertical-align:top;margin-left:.12em}.trust-panel>p{margin:.25rem 0;color:#ecece9;font-weight:700}.trust-rule{height:1px;background:linear-gradient(90deg,var(--gold),transparent);margin:2rem 0 1.2rem}.trust-panel .trust-note{font-size:.78rem;color:#8f949b;font-weight:400}.proof-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #333840;background:#0c0e11;box-shadow:0 24px 70px rgba(0,0,0,.35)}.proof-strip a{display:flex;min-height:190px;flex-direction:column;padding:1.55rem;border-right:1px solid #333840;transition:background .2s ease}.proof-strip a:last-child{border-right:0}.proof-strip a:hover{background:#171a1f}.proof-strip small{color:#91969d}.proof-strip strong{font-size:clamp(2rem,4vw,3.3rem);line-height:1.05;margin:auto 0 .75rem;letter-spacing:-.04em}.proof-strip span{color:var(--gold);font-size:.78rem}.direct-access{padding:7rem 0}.access-heading{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:end;margin-bottom:2rem}.access-heading h2,.resource-head h2{font-size:clamp(2.4rem,5vw,4.4rem);line-height:1;margin:0;letter-spacing:-.05em}.access-heading>p{color:var(--muted);margin:0}.access-list{border-top:1px solid var(--line)}.access-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2rem;padding:1.7rem 0;border-bottom:1px solid var(--line)}.access-row small{color:var(--gold);font-size:.76rem}.access-row h3{font-size:1.45rem;margin:.2rem 0}.access-row p{margin:.2rem 0;color:var(--muted)}.access-button{min-width:150px;text-align:center;background:#f3ba2f;color:#111;padding:.8rem 1rem;border-radius:10px;font-weight:800}.access-button.is-disabled{background:#25292f;color:#8d929a}.download-zone{background:linear-gradient(135deg,#f6c447,#e9ad19);color:#12130f;padding:6rem 0}.access-heading.inverse .eyebrow{color:#4f3a08}.access-heading.inverse>p{color:#4c3d18}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(20,18,10,.25);border:1px solid rgba(20,18,10,.25)}.download-card{position:relative;min-height:300px;padding:1.6rem;background:rgba(255,221,123,.38);overflow:hidden}.device-index{position:absolute;right:1rem;top:-1.8rem;font-size:7rem;font-weight:900;color:rgba(23,19,7,.07)}.download-card small{font-weight:800}.download-card h3{font-size:1.65rem;margin:3.5rem 0 .5rem}.download-card p{color:#584512;min-height:55px}.download-card a,.download-disabled{display:inline-flex;margin-top:1rem;padding:.7rem .9rem;background:#111;color:#fff;border-radius:9px;font-weight:800}.download-disabled{background:rgba(20,20,14,.18);color:#584512}.home-resources{padding:7rem 0 4rem}.resource-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:2rem}.resource-head>a{color:var(--gold)}.resource-grid{display:grid;grid-template-columns:1.1fr .9fr;border:1px solid var(--line)}.resource-feature{padding:2rem;min-height:330px;background:linear-gradient(145deg,#191d22,#0e1013)}.resource-feature small{color:var(--gold)}.resource-feature h3{font-size:2rem;margin:4rem 0 .7rem}.resource-feature p{color:var(--muted)}.resource-feature a{color:var(--gold)}.resource-links{display:flex;flex-direction:column}.resource-links a{display:flex;flex:1;justify-content:space-between;align-items:center;gap:1rem;padding:1.3rem 1.5rem;border-bottom:1px solid var(--line)}.resource-links a:last-child{border:0}.resource-links span{font-weight:800;font-size:1.1rem}.resource-links b{color:var(--muted);font-size:.82rem;font-weight:500;text-align:right}.home-disclosure{display:grid;grid-template-columns:180px 1fr;gap:2rem;margin-top:2rem;padding:1.25rem 0;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}.home-disclosure strong{color:#e8e8e5}.home-disclosure p{margin:0}
@media(max-width:800px){.portal-hero{grid-template-columns:1fr;min-height:auto;padding:3.3rem 0 2rem;gap:2.2rem}.portal-hero h1{font-size:clamp(3.35rem,15vw,5rem)}.hero-lead{margin:1.4rem 0}.trust-panel{display:grid;grid-template-columns:1fr auto;align-items:center;padding:1.25rem}.trust-kicker{grid-column:1}.trust-number{font-size:3.4rem;margin:0;grid-column:2;grid-row:1/3}.trust-panel>p:not(.trust-note){font-size:.82rem}.trust-rule,.trust-note{display:none}.proof-strip{grid-template-columns:1fr}.proof-strip a{min-height:105px;border-right:0;border-bottom:1px solid #333840;display:grid;grid-template-columns:1fr auto;align-items:center}.proof-strip a:last-child{border-bottom:0}.proof-strip strong{margin:0;grid-column:2;grid-row:1/3;font-size:2rem}.proof-strip span{grid-column:1}.direct-access,.home-resources{padding:4.5rem 0}.access-heading{grid-template-columns:1fr;gap:1rem}.access-row{grid-template-columns:1fr}.access-button{width:100%}.download-zone{padding:4.5rem 0}.download-grid{grid-template-columns:1fr}.download-card{min-height:235px}.resource-head{align-items:start;flex-direction:column;gap:1rem}.resource-grid{grid-template-columns:1fr}.home-disclosure{grid-template-columns:1fr;gap:.5rem}}@media(max-width:480px){.portal-hero h1{font-size:3.25rem}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions>*{width:100%;justify-content:center;text-align:center}.trust-panel{margin-top:.3rem}.proof-strip{margin-top:0}.proof-strip a{padding:1.1rem}.proof-strip strong{font-size:1.65rem}.download-card h3{margin-top:2.8rem}}

/* 紧凑首屏 */
.portal-hero{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);min-height:auto;padding:4rem 0 3.5rem;gap:4rem}.portal-hero h1{font-size:clamp(2.8rem,5.5vw,5.2rem);line-height:.94;letter-spacing:-.065em}.hero-statement{display:flex;align-items:baseline;gap:.65rem;margin:.9rem 0 0;color:#e8e9e6;font-size:clamp(1.2rem,2vw,1.7rem);letter-spacing:-.02em}.hero-statement strong{color:var(--gold);font-size:1.6em;letter-spacing:-.04em}.hero-lead{max-width:610px;margin:1.45rem 0 1.7rem}.hero-secondary{background:transparent;color:#f0f0ed;border:1px solid #4a4f57;box-shadow:none}.hero-legal{margin:1.2rem 0 0;color:#737981;font-size:.72rem;letter-spacing:.08em}.brand-visual{position:relative;display:grid;place-items:center;min-height:360px;border:1px solid #30353c;background:radial-gradient(circle at center,rgba(243,186,47,.12),transparent 54%),linear-gradient(145deg,rgba(25,29,34,.9),rgba(8,10,12,.96));box-shadow:0 26px 80px rgba(0,0,0,.38);overflow:hidden}.brand-visual:before,.brand-visual:after{content:"";position:absolute;background:linear-gradient(90deg,transparent,rgba(243,186,47,.28),transparent)}.brand-visual:before{width:100%;height:1px;top:50%}.brand-visual:after{height:100%;width:1px;left:50%;background:linear-gradient(transparent,rgba(243,186,47,.28),transparent)}.visual-orbit{position:absolute;border:1px solid rgba(243,186,47,.26);border-radius:50%}.orbit-one{width:270px;height:270px}.orbit-two{width:190px;height:190px;border-color:rgba(255,255,255,.13)}.visual-diamond{position:relative;display:grid;place-items:center;width:104px;height:104px;background:linear-gradient(145deg,#ffe38f,var(--gold));color:#111;transform:rotate(45deg);box-shadow:0 0 55px rgba(243,186,47,.23)}.visual-diamond span{font-size:2.1rem;font-weight:900;transform:rotate(-45deg)}.brand-visual>p{position:absolute;bottom:1rem;margin:0;color:#757b83;font-size:.68rem;letter-spacing:.2em}.direct-access{padding-top:5rem}
@media(max-width:800px){.portal-hero{grid-template-columns:minmax(0,1fr) 220px;gap:1.5rem;padding:3rem 0}.brand-visual{min-height:260px}.orbit-one{width:190px;height:190px}.orbit-two{width:135px;height:135px}.visual-diamond{width:76px;height:76px}.portal-hero h1{font-size:3.2rem}}
@media(max-width:620px){.portal-hero{grid-template-columns:1fr;padding:2.5rem 0 2.2rem}.portal-hero h1{font-size:2.9rem}.hero-statement{font-size:1.05rem}.hero-lead{margin:1rem 0 1.25rem;font-size:.96rem}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}.hero-actions>*{width:100%;justify-content:center;text-align:center}.hero-legal{margin-top:.9rem}.brand-visual{min-height:175px}.orbit-one{width:155px;height:155px}.orbit-two{width:110px;height:110px}.visual-diamond{width:64px;height:64px}.visual-diamond span{font-size:1.6rem}.brand-visual>p{font-size:.58rem}.direct-access{padding-top:3.8rem}}

/* 教程、活动与安全内容卡片 */
.compact-head{padding-bottom:2rem}.guide-search{margin-top:1.8rem;max-width:580px}.guide-search label{display:block;margin-bottom:.45rem;color:#d9dade;font-size:.82rem;font-weight:700}.guide-search input{width:100%;border:1px solid #383d45;border-radius:11px;background:#101317;color:#fff;padding:.8rem 1rem;font:inherit}.media-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;padding-bottom:5rem}.media-card{display:flex;min-width:0;flex-direction:column;padding:0;overflow:hidden;border:1px solid #30353c;border-radius:15px;background:linear-gradient(145deg,#171b20,#0e1013);color:var(--text);font:inherit;text-align:left;box-shadow:0 14px 34px rgba(0,0,0,.18);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.media-card:hover,.media-card:focus-visible{transform:translateY(-4px);border-color:rgba(243,186,47,.7);box-shadow:0 20px 48px rgba(0,0,0,.32)}.guide-open-card{cursor:zoom-in}.media-card-visual{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:#090b0e}.media-card-visual img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.media-card:hover .media-card-visual img{transform:scale(1.025)}.visual-placeholder{display:flex;width:100%;height:100%;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 40%,rgba(243,186,47,.12),transparent 45%),linear-gradient(145deg,#1b1f25,#0c0f12);color:#6f757d}.visual-placeholder b{color:var(--gold);font-size:1.1rem;letter-spacing:.2em}.visual-placeholder em{margin-top:.45rem;font-size:.72rem;font-style:normal}.media-card-body{display:flex;min-height:150px;flex:1;flex-direction:column;padding:1rem 1.05rem}.media-card-body small{color:var(--gold);font-size:.72rem}.media-card-body strong{display:-webkit-box;margin:.38rem 0;font-size:1.05rem;line-height:1.4;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.media-card-body>span{display:-webkit-box;overflow:hidden;color:var(--muted);font-size:.82rem;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}.media-card-body i{margin-top:auto;padding-top:.9rem;color:var(--gold);font-size:.78rem;font-style:normal}.activity-visual .visual-placeholder{background:linear-gradient(145deg,rgba(243,186,47,.18),transparent),#111419}.safety-visual .visual-placeholder{background:linear-gradient(145deg,rgba(255,107,85,.13),transparent),#111419}.media-empty{grid-column:1/-1;min-height:210px;display:grid;place-items:center;text-align:center}.media-empty p{margin-top:-4rem;color:var(--muted)}.guide-no-results{margin-top:-3rem;margin-bottom:5rem;padding:1.5rem;border:1px solid var(--line);border-radius:14px;color:var(--muted);text-align:center}.image-dialog{border-radius:14px}.image-dialog p{margin:0;padding:.75rem 1rem;color:#c6c9ce;background:#111419}.prose{padding-top:3.5rem}.prose-body{padding-top:1.5rem;border-top:1px solid var(--line)}
@media(max-width:960px){.media-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.media-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.media-card-body{min-height:140px;padding:.9rem}.media-card-body strong{font-size:1rem}}@media(max-width:480px){.media-card-grid{grid-template-columns:1fr}.media-card-visual{aspect-ratio:16/10}.media-card-body{min-height:130px}.compact-head{padding-bottom:1.5rem}}
@media(prefers-reduced-motion:reduce){.media-card,.media-card-visual img{transition:none}}
.guide-open-card .media-card-visual img{object-position:top center}.guide-card-body{min-height:82px;justify-content:center}.guide-card-body strong{margin:0;-webkit-line-clamp:2}
.site-footer.minimal{grid-template-columns:1fr}

/* 首页双入口：首屏聚焦注册与下载。 */
.home-action-shell{padding:3.2rem 0 4.5rem}.home-action-intro{display:grid;grid-template-columns:1fr minmax(280px,.72fr);align-items:end;gap:3rem;margin-bottom:2rem}.home-action-intro h1{margin:0;font-size:clamp(2.7rem,5vw,4.8rem);line-height:.94;letter-spacing:-.06em}.home-intro-note{justify-self:end;max-width:440px;padding-left:1.2rem;border-left:2px solid var(--gold)}.home-intro-note p{margin:0 0 .45rem;color:#d4d6da}.home-intro-note span{color:#777d85;font-size:.72rem;letter-spacing:.06em}.home-action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.home-action-panel{display:flex;min-width:0;flex-direction:column;padding:1.65rem;border:1px solid #333840;border-radius:20px;background:linear-gradient(145deg,rgba(26,30,35,.96),rgba(11,13,16,.98));box-shadow:0 24px 60px rgba(0,0,0,.28);overflow:hidden}.home-download-panel{border-color:rgba(243,186,47,.45);background:linear-gradient(145deg,rgba(47,40,20,.62),rgba(12,14,17,.98) 62%)}.home-panel-head{display:flex;align-items:center;gap:1rem}.home-step{display:grid;place-items:center;flex:0 0 48px;height:48px;border:1px solid rgba(243,186,47,.48);border-radius:14px;color:var(--gold);font-weight:900}.home-panel-head small{display:block;color:#8d929a;font-size:.67rem;letter-spacing:.16em}.home-panel-head h2{margin:.12rem 0 0;font-size:clamp(1.75rem,3vw,2.45rem);line-height:1;letter-spacing:-.04em}.home-panel-guide{min-height:3.2em;margin:1.15rem 0 1.2rem;color:#b9bdc3;font-size:.9rem}.home-choice-list{border-top:1px solid #30353c}.home-choice-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid #2b3037}.home-choice-row:last-child{border-bottom:0}.home-choice-row small{display:block;color:var(--gold);font-size:.7rem}.home-choice-row h3{margin:.12rem 0;font-size:1.02rem;line-height:1.35}.home-choice-row p{display:-webkit-box;margin:.2rem 0 0;overflow:hidden;color:#858b93;font-size:.78rem;line-height:1.4;-webkit-box-orient:vertical;-webkit-line-clamp:1}.home-choice-button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-width:82px;padding:.62rem .78rem;border-radius:10px;background:var(--gold);color:#111;font-size:.8rem;font-weight:850;transition:transform .18s ease,box-shadow .18s ease}.home-choice-button:hover,.home-choice-button:focus-visible{transform:translateY(-2px);box-shadow:0 10px 24px rgba(243,186,47,.18)}.home-choice-button.is-disabled{background:#262b31;color:#858b93}.home-download-panel .home-choice-button.is-disabled{background:rgba(243,186,47,.1);color:#a9a28d}
@media(max-width:800px){.home-action-shell{padding:2.3rem 0 3.5rem}.home-action-intro{grid-template-columns:1fr;gap:1rem;margin-bottom:1.4rem}.home-action-intro h1{font-size:2.9rem}.home-intro-note{justify-self:start;max-width:620px}.home-action-grid{grid-template-columns:1fr}.home-action-panel{padding:1.35rem}.home-panel-guide{min-height:auto;margin:.9rem 0 1rem}}
@media(max-width:480px){.home-action-shell{padding:1.7rem 0 2.8rem}.home-action-intro h1{font-size:2.4rem}.home-intro-note{padding-left:.85rem;font-size:.9rem}.home-action-panel{padding:1.05rem;border-radius:15px}.home-panel-head{gap:.8rem}.home-step{flex-basis:42px;height:42px;border-radius:11px}.home-panel-head h2{font-size:1.65rem}.home-panel-guide{font-size:.84rem;line-height:1.55}.home-choice-row{gap:.65rem;padding:.82rem 0}.home-choice-row h3{font-size:.95rem}.home-choice-button{min-width:72px;padding:.56rem .65rem}.home-choice-row p{display:none}}
@media(prefers-reduced-motion:reduce){.home-choice-button{transition:none}}

/* 一致的双入口层级与克制的玻璃导航。 */
.home-action-panel,.home-download-panel{border-color:rgba(243,186,47,.44);background:radial-gradient(circle at 100% 0,rgba(243,186,47,.09),transparent 13rem),linear-gradient(145deg,rgba(29,31,32,.97),rgba(11,13,16,.99));box-shadow:inset 0 1px 0 rgba(255,224,145,.1),0 24px 60px rgba(0,0,0,.3)}.home-action-panel:before{content:"";display:block;height:2px;margin:-1.65rem -1.65rem 1.6rem;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.6}.home-choice-list{display:grid;grid-auto-rows:minmax(74px,auto)}.home-choice-button:active{transform:translateY(0) scale(.97);box-shadow:none}.site-nav{gap:.12rem;padding:.34rem;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(25,28,32,.94);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 12px 34px rgba(0,0,0,.28)}.site-nav a{position:relative;isolation:isolate;overflow:hidden;padding:.5rem .68rem;border:1px solid transparent;border-radius:11px;color:#d9dbdf;line-height:1.2;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease}.site-nav a:before{content:"";position:absolute;z-index:-1;inset:-1px;background:linear-gradient(115deg,transparent 20%,rgba(255,255,255,.14) 48%,transparent 75%);opacity:0;transform:translateX(-48%);transition:opacity .22s ease,transform .42s ease}.site-nav a[aria-current="page"]{border-color:rgba(243,186,47,.3);background:rgba(243,186,47,.13);color:var(--gold);box-shadow:inset 0 1px 0 rgba(255,226,153,.13),0 5px 18px rgba(0,0,0,.16)}.site-footer{grid-template-columns:1fr;gap:0}.footer-content{max-width:820px}.footer-content p:first-child{margin-top:0}.footer-content p:last-child{margin-bottom:0}
@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.site-nav{background:linear-gradient(145deg,rgba(38,41,46,.66),rgba(16,18,21,.58));-webkit-backdrop-filter:blur(18px) saturate(155%);backdrop-filter:blur(18px) saturate(155%)}}
@media(hover:hover) and (pointer:fine){.site-nav a:hover{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.075);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 7px 20px rgba(0,0,0,.2);transform:translateY(-1px)}.site-nav a:hover:before{opacity:1;transform:translateX(48%)}.site-nav a[aria-current="page"]:hover{border-color:rgba(243,186,47,.42);background:rgba(243,186,47,.17);color:var(--gold)}}
@media(max-width:800px){.site-nav{gap:.2rem;padding:.7rem;border-radius:12px;background:#15181c;box-shadow:0 18px 40px rgba(0,0,0,.55);-webkit-backdrop-filter:none;backdrop-filter:none}.site-nav a{padding:.65rem;border-radius:8px}.site-nav a[aria-current="page"]{background:rgba(243,186,47,.14)}.home-action-panel:before{margin:-1.35rem -1.35rem 1.3rem}}
@media(max-width:480px){.home-action-panel:before{margin:-1.05rem -1.05rem 1.05rem}}
@media(prefers-reduced-motion:reduce){.site-nav a,.site-nav a:before{transition:none}.site-nav a:hover{transform:none}.home-choice-button:active{transform:none}}

/* 教程标题行内的单一搜索入口。 */
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.guide-page-head{max-width:none;margin-inline:auto}.guide-title-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,320px);align-items:end;gap:2rem}.guide-search{position:relative;width:100%;max-width:none;margin:0}.guide-search:before{content:"";position:absolute;left:1rem;top:50%;width:.72rem;height:.72rem;border:2px solid #7f8792;border-radius:50%;transform:translateY(-58%);pointer-events:none}.guide-search:after{content:"";position:absolute;left:1.72rem;top:56%;width:.42rem;height:2px;border-radius:2px;background:#7f8792;transform:rotate(45deg);transform-origin:left center;pointer-events:none}.guide-search input{min-width:0;padding:.72rem .9rem .72rem 2.65rem;font-size:.9rem}
@media(max-width:480px){.guide-title-row{grid-template-columns:minmax(0,1fr) minmax(136px,44%);gap:.65rem}.guide-title-row h1{font-size:clamp(1.9rem,10vw,2.55rem)}.guide-search:before{left:.75rem}.guide-search:after{left:1.47rem}.guide-search input{padding:.6rem .62rem .6rem 2.2rem;font-size:.83rem}}

/* 内容页分色标题与教程页层次。 */
.page-head h1.split-title{font-size:clamp(2.35rem,4.8vw,4rem);font-weight:850;line-height:.98;letter-spacing:-.055em}.split-title span{color:var(--text)}.split-title span:last-child{color:var(--gold)}.guide-page{position:relative;isolation:isolate}.ambient-head{position:relative;isolation:isolate}.ambient-head:before{content:"";position:absolute;z-index:-2;top:-2.3rem;left:calc(-1 * max(16px,(100vw - 1120px)/2));width:100vw;height:calc(100% + 5rem);background:radial-gradient(ellipse at 78% 18%,rgba(243,186,47,.1),transparent 30rem),repeating-linear-gradient(180deg,transparent 0 82px,rgba(243,186,47,.02) 82px 110px);pointer-events:none}.ambient-head:after{content:"";position:absolute;z-index:-1;top:20%;left:calc(-1 * max(16px,(100vw - 1120px)/2));width:100vw;height:58%;background:linear-gradient(90deg,transparent 8%,rgba(243,186,47,.025) 40%,rgba(243,186,47,.065) 76%,transparent);filter:blur(18px);pointer-events:none}.guide-page .media-card-grid{position:relative}.guide-open-card{border-color:#343a43;background:linear-gradient(145deg,#1a1e24,#0d1013);box-shadow:0 14px 36px rgba(0,0,0,.24)}.guide-open-card .media-card-visual{border-bottom:1px solid #30363e}.guide-open-card .guide-card-body{background:rgba(15,18,22,.97)}.guide-open-card:hover,.guide-open-card:focus-visible{border-color:rgba(243,186,47,.72);box-shadow:0 20px 48px rgba(0,0,0,.38),0 0 0 1px rgba(243,186,47,.08)}
@media(max-width:560px){.guide-page .media-card-grid{grid-template-columns:1fr}.page-head h1.split-title{font-size:clamp(2rem,11vw,2.65rem);line-height:1}}
@media(max-width:560px){.ambient-head:before{top:-1.7rem;height:calc(100% + 3.4rem);background:radial-gradient(ellipse at 84% 14%,rgba(243,186,47,.075),transparent 19rem),repeating-linear-gradient(180deg,transparent 0 68px,rgba(243,186,47,.015) 68px 92px)}.ambient-head:after{opacity:.7}}
@media(prefers-reduced-motion:reduce){.guide-open-card{transition:none}.guide-open-card:hover{transform:none}}