/* HONGTAO VIDEO — locally hosted editorial presentation */
:root{color-scheme:dark;--bg:#0F0A0A;--deep:#0A0707;--paper:#1A1212;--paper2:#241818;--text:#F0E8E8;--muted:#C4B0B0;--soft:#A48C8C;--red:#E63946;--bright:#FF4D4F;--strong:#C41E3A;--line:rgba(230,57,70,.18);--shadow:0 16px 40px rgba(0,0,0,.40);--top:72px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--top) + 20px)}body{margin:0;min-width:0;background:var(--bg);color:var(--text);font:400 16px/1.76 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}body.panel-active{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#fff}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #FF7075;outline-offset:3px}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto;object-fit:contain}p{margin:0 0 1em}h1,h2,h3{line-height:1.3;overflow-wrap:anywhere;letter-spacing:.01em}h1{font-size:clamp(28px,3vw,32px);color:#fff}h2{font-size:clamp(23px,2.5vw,29px);color:#fff}h3{font-size:18px;color:#fff}.shell{width:min(1220px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;top:-100px;left:12px;z-index:300;padding:10px 14px;background:#fff;color:#111}.skip-link:focus{top:12px}.eyebrow{color:#FF777B;letter-spacing:.12em;font-weight:750;text-transform:uppercase;font-size:12px;line-height:1.5}.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--top);background:rgba(10,7,7,.98);border-bottom:1px solid var(--red);box-shadow:0 8px 24px rgba(0,0,0,.25)}.top-nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;min-width:0}.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;flex:0 0 auto;max-width:100%;color:white}.brand-logo{width:auto;max-width:142px;height:auto;max-height:38px;object-fit:contain}.brand-word{display:flex;flex-direction:column;line-height:1.18;white-space:nowrap}.brand-word b{font-size:18px;letter-spacing:.06em}.brand-word small{font-size:9px;letter-spacing:.12em;color:var(--muted)}.desktop-links{display:flex;align-items:stretch;gap:clamp(8px,1.7vw,24px);height:100%;min-width:0}.desktop-links a{display:flex;align-items:center;position:relative;font-size:14px;white-space:nowrap;color:var(--muted);font-weight:650}.desktop-links a:hover,.desktop-links a[aria-current=page]{color:white}.desktop-links a[aria-current=page]::after{content:"";height:2px;background:var(--bright);position:absolute;bottom:0;left:0;right:0}.top-actions{display:flex;align-items:center;gap:7px;flex:0 0 auto}.nav-button,.top-app-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 11px;border:1px solid transparent;border-radius:10px;background:transparent;color:white;font-size:14px;font-weight:650;white-space:nowrap}.nav-button:hover,.nav-button[aria-expanded=true]{border-color:var(--red);background:var(--paper2)}.top-app-link{border:1px solid var(--line)}.top-app-link:hover,.top-app-link[aria-current=page]{border-color:var(--red)}.main{padding-top:calc(var(--top) + 32px);padding-bottom:76px;min-height:65vh}.hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,4fr);gap:clamp(22px,5vw,72px);align-items:center}.home-hero{min-height:340px;padding:16px 0 40px;border-bottom:1px solid var(--line)}.hero-copy{min-width:0}.hero-copy h1{max-width:620px;font-size:clamp(30px,3.5vw,44px);margin:12px 0 20px}.lead{color:var(--text);max-width:690px;font-size:17px}.button-row,.inline-links{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:10px;font-size:15px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#FF4D4F 0%,#C41E3A 100%);color:white}.btn-outline{border:1px solid var(--red);background:var(--paper);color:white}.btn:hover{filter:brightness(1.1)}.hero-art{min-width:0;display:grid;place-items:center;position:relative;border-radius:14px;background:linear-gradient(125deg,#251115 0%,#170d0d 53%,#361218 100%);padding:14px;min-height:180px;overflow:hidden}.hero-image{width:100%;max-height:300px;object-fit:contain;position:relative;z-index:1}.hero-art:has(.hero-image) .art-fallback{display:none}.art-fallback{display:flex;align-items:flex-start;flex-direction:column;justify-content:center;width:100%;min-height:150px;padding:18px 24px;border-left:2px solid var(--red)}.art-fallback span{font-size:clamp(28px,5vw,62px);font-weight:900;letter-spacing:.11em;color:#fff}.art-fallback b{color:var(--text);letter-spacing:.2em}.art-fallback i{font-size:11px;color:var(--muted);font-style:normal}.home-section{padding:clamp(32px,5vw,70px) 0;border-bottom:1px solid var(--line)}.home-section h2{margin:9px 0 16px}.section-head{max-width:810px;margin-bottom:24px}.section-head>p:not(.eyebrow){color:var(--muted)}.text-link{display:inline-flex;align-items:center;min-height:44px;color:#FF777B;font-weight:750;border-bottom:1px solid var(--red);margin-right:13px}.text-link:hover{color:white}.dual-notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.dual-notes article{background:var(--paper);border-left:2px solid var(--red);padding:24px;border-radius:0 12px 12px 0}.dual-notes h3{margin-top:0}.dual-notes p,.mini-topics p,.status-lines p{color:var(--text)}.split-section{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,5fr);gap:clamp(24px,6vw,80px);align-items:start}.split-section>div{min-width:0}.index-lines a,.folio-lines a,.focus-lines a{display:grid;grid-template-columns:42px minmax(70px,1fr) minmax(0,2fr) 24px;align-items:center;gap:13px;min-height:65px;padding:8px 6px;border-bottom:1px solid var(--line)}.index-lines a span:first-child,.focus-lines a span:first-child{color:#FF777B;font-weight:800}.index-lines a b,.folio-lines a b,.focus-lines a b{font-size:17px}.index-lines a small,.folio-lines a span:nth-child(2),.focus-lines a small{color:var(--muted);font-size:14px}.index-lines a:hover,.folio-lines a:hover,.focus-lines a:hover{background:var(--paper)}.media-section{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,6fr);gap:clamp(22px,5vw,65px);align-items:center}.media-section.reverse{grid-template-columns:minmax(0,5fr) minmax(0,5fr)}.media-box{min-width:0;display:grid;place-items:center}.section-image,.wide-image,.cover-image{width:100%;height:auto;max-width:100%;max-height:220px;object-fit:contain}.wide-image{max-height:220px;margin:12px auto 25px}.cover-image{max-height:300px}.mini-topics{margin:10px 0}.mini-topics p{padding:10px 0;border-bottom:1px solid var(--line)}.mini-topics b,.theme-mini b,.status-lines b{color:#fff;margin-right:14px}.triple-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:18px 0}.triple-notes article{border-top:1px solid var(--red);padding-top:10px}.triple-notes p{font-size:15px;color:var(--muted)}.media-strip>.section-image{margin-inline:auto}.stack-notes>p,.status-lines p{padding:10px 0;border-bottom:1px solid var(--line);margin:0}.theme-mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}.theme-mini p{display:flex;flex-direction:column;padding:10px 0;border-bottom:1px solid var(--line);margin:0}.theme-mini span{color:var(--muted);font-size:14px}.folio-lines a{grid-template-columns:minmax(92px,1fr) minmax(0,3fr) 20px}.process-list article{position:relative;padding:10px 0 18px 65px;border-left:1px solid var(--line)}.process-list article>span{position:absolute;left:14px;top:8px;color:#FF777B;font-weight:800}.process-list h3{margin:0 0 6px}.focus-lines a{grid-template-columns:42px minmax(100px,1fr) minmax(0,3fr)}.app-band{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:40px;align-items:center}.app-identity{display:flex;align-items:center;gap:12px;margin-bottom:14px}.app-identity>b{display:flex;flex-direction:column}.app-identity small{color:var(--muted);font-size:11px;letter-spacing:.1em}.app-icon{width:64px;max-height:72px;object-fit:contain}.continue-links{display:flex;flex-wrap:wrap;gap:16px}.continue-links .text-link{padding-right:26px}.page-top{padding:6px 0 25px;border-bottom:1px solid var(--line)}.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px}.crumb a{color:var(--text)}.crumb span[aria-current=page]{color:#FF777B}.inner-lead{max-width:840px;padding-top:26px}.inner-lead h1{margin:9px 0 16px}.inner-lead>p:last-child{color:var(--muted);font-size:17px;max-width:760px}.inner-cover{margin-top:16px;max-width:850px}.article-layout,.faq-layout{display:grid;grid-template-columns:minmax(0,800px) minmax(195px,1fr);gap:clamp(25px,4vw,65px);align-items:start;padding-top:20px}.article-body,.faq-questions{min-width:0}.story-section,.faq-item{display:grid;grid-template-columns:55px minmax(0,1fr);gap:12px;padding:24px 0 30px;border-bottom:1px solid var(--line)}.story-number{color:#FF777B;font-size:12px;font-weight:850;letter-spacing:.04em;white-space:nowrap;padding-top:5px}.story-section h2,.faq-item h2{font-size:clamp(20px,2vw,23px);margin:0 0 14px}.story-section p,.faq-item p{margin:0;line-height:1.82;color:var(--text)}.story-variant-1{padding-left:12px;border-left:1px solid var(--line)}.story-variant-2 h2{border-left:2px solid var(--red);padding-left:12px}.article-aside{position:sticky;top:calc(var(--top) + 24px);padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--paper);min-width:0}.article-aside h2{font-size:19px}.article-aside>a{display:block;padding:12px 0;min-height:44px;border-bottom:1px solid var(--line);color:var(--text)}.article-aside a small{display:block;color:var(--muted);font-size:12px}.article-aside a:hover b{color:#FF777B}.site-footer{background:#080505;border-top:1px solid var(--line)}.footer-inside{padding-top:38px;padding-bottom:30px}.footer-brand p{color:var(--muted);max-width:700px;font-size:14px;margin:16px 0 28px}.footer-groups{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;padding-top:20px;border-top:1px solid var(--line)}.footer-group{min-width:0}.footer-group h2{font-size:16px;margin:0 0 10px}.footer-group a{display:block;padding:5px 0;color:var(--muted);font-size:14px}.footer-group a:hover,.footer-group a[aria-current=page]{color:#FF777B}.copyright{color:var(--muted);font-size:13px;border-top:1px solid var(--line);margin:28px 0 0;padding-top:18px}.overlay{position:fixed;inset:var(--top) 0 0;z-index:80;background:rgba(0,0,0,.72)}.pop-panel{position:fixed;z-index:110;top:var(--top);background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);padding:20px;max-height:calc(100dvh - var(--top) - 12px);overflow-y:auto;overscroll-behavior:contain}.pop-panel[hidden],.overlay[hidden],.search-results a[hidden],.search-empty[hidden]{display:none!important;visibility:hidden;pointer-events:none}.menu-panel{left:50%;transform:translateX(-50%);width:min(1220px,calc(100% - 32px));border-radius:0 0 14px 14px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.panel-head h2{font-size:22px;margin:0}.panel-head .eyebrow{margin:0 0 4px}.panel-close{min-width:66px;min-height:44px;border:1px solid var(--red);border-radius:9px;background:var(--paper2);color:white;padding:8px 12px;white-space:nowrap}.menu-columns{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.menu-group h3{font-size:16px;border-bottom:1px solid var(--red);padding-bottom:10px}.menu-group>a{display:block;padding:8px 0;border-bottom:1px solid var(--line);min-height:54px}.menu-group a b,.search-results a b{font-size:14px}.menu-group a small,.search-results a small{display:block;color:var(--muted);font-size:12px;line-height:1.5}.menu-group a:hover b,.menu-group a[aria-current=page] b{color:#FF777B}.search-panel{right:max(16px,calc((100vw - 1220px)/2));width:min(540px,calc(100% - 32px));border-radius:0 0 12px 12px}.search-panel label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}.search-panel input{width:100%;min-height:46px;padding:10px 12px;border-radius:9px;border:1px solid var(--red);background:var(--deep);color:white}.search-panel input::placeholder{color:var(--muted)}.search-empty{font-size:14px;color:var(--text);padding:10px 0}.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 10px;padding-top:12px}.search-results a{padding:8px 4px;min-width:0;border-bottom:1px solid var(--line)}.search-results a:hover b{color:#FF777B}.search-fallback{border-top:1px solid var(--red);margin-top:14px;padding-top:12px;display:flex;gap:10px;flex-wrap:wrap}.search-fallback span{width:100%;font-size:12px;color:var(--muted)}.search-fallback a{display:inline-flex;min-height:44px;align-items:center;color:#FF777B;font-size:13px}.mobile-nav{display:none}
@media(max-width:1100px){.desktop-links{display:none}.top-nav{gap:12px}.footer-groups,.menu-columns{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){:root{--top:64px}.shell{width:calc(100% - 32px)}.main{padding-top:calc(var(--top) + 22px);padding-bottom:calc(88px + env(safe-area-inset-bottom))}.top-nav{gap:5px}.brand-logo{max-width:90px;max-height:34px}.brand-word b{font-size:15px}.brand-word small{font-size:7px;letter-spacing:.06em}.top-actions{gap:4px;margin-left:auto}.nav-button{font-size:12px;padding:6px 7px;min-width:44px}.menu-trigger{order:1}.find-trigger{order:2}.top-app-link{display:none}.hero,.split-section,.media-section,.media-section.reverse,.app-band,.article-layout,.faq-layout{grid-template-columns:1fr;gap:20px}.home-hero{min-height:0}.home-section{padding:35px 0}.hero-copy h1{font-size:30px}.lead{font-size:16px}.hero-image,.cover-image{max-height:240px}.section-image,.wide-image{max-height:220px}.hero-art{min-height:150px}.dual-notes,.triple-notes{grid-template-columns:1fr}.triple-notes{gap:6px}.media-section.reverse>div:first-child{order:0}.media-section.reverse>div:last-child{order:1}.theme-mini{grid-template-columns:repeat(2,minmax(0,1fr))}.article-aside{position:static}.story-section,.faq-item{grid-template-columns:39px minmax(0,1fr);gap:8px}.story-variant-1{padding-left:4px}.footer-groups,.menu-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));bottom:0;left:0;right:0;z-index:40;min-height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0A0707;border-top:1px solid var(--line)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:54px;position:relative;color:var(--muted);font-size:13px;font-weight:650}.mobile-nav a[aria-current=page]{color:#fff}.mobile-nav a[aria-current=page]::before{position:absolute;top:0;left:20%;right:20%;height:2px;content:"";background:var(--red)}.menu-panel,.search-panel{left:0;right:0;transform:none;width:100%;max-height:calc(100dvh - var(--top) - 8px);padding:16px;border-radius:0 0 12px 12px}.menu-group h3{font-size:15px}.menu-group>a{min-height:56px}.search-panel .panel-head h2{font-size:18px}.search-results{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:380px){.top-nav{gap:3px}.brand{gap:4px}.brand-word b{font-size:13px}.brand-word small{font-size:6px}.brand-logo{max-width:60px}.nav-button{padding:6px 5px;font-size:11px}.index-lines a{grid-template-columns:27px 55px minmax(0,1fr) 15px;gap:6px}.index-lines a b{font-size:15px}.index-lines a small{font-size:12px}.theme-mini{gap:0 8px}.footer-groups,.menu-columns{gap:6px 11px}.menu-group a small{font-size:11px}.pop-panel{padding:12px}.hero-copy h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Missing local artwork collapses without an empty frame. */
.media-box:empty,.inner-cover:empty{display:none}
.media-section:has(>.media-box:empty),.app-band:has(>.media-box:empty){grid-template-columns:minmax(0,1fr)}