/* 大象传媒｜光盒放映厅：深墨绿暗场、象牙白纸面、放映橙金动线；采用不对称内容编排和克制的电影编辑感。 */
:root{--ink:#0f2925;--ink-2:#153a34;--paper:#f7f1e6;--warm:#fffaf2;--orange:#e67b45;--orange-deep:#bf572d;--fog:#d9e0d8;--muted:#5b6864;--line:rgba(15,41,37,.14);--white:#fffdf7;--shadow:0 24px 56px rgba(10,29,25,.16);--display:STSong,'Songti SC','Noto Serif CJK SC',serif;--sans:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',Arial,sans-serif;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace;--ease:cubic-bezier(.23,1,.32,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.78;text-rendering:optimizeLegibility}.skip-link{position:absolute;z-index:99;left:1rem;top:-5rem;background:var(--orange);color:#fff;padding:.55rem 1rem}.skip-link:focus{top:1rem}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.wrap{width:min(1180px,calc(100% - 2.5rem));margin-inline:auto}.eyebrow{display:flex;align-items:center;gap:.55rem;font:11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--orange-deep)}.eyebrow:before{content:'';width:22px;height:8px;background:repeating-linear-gradient(90deg,var(--orange) 0 4px,transparent 4px 7px)}.section-title{margin:.6rem 0 1rem;font:900 clamp(2rem,4vw,4rem)/1.18 var(--display);letter-spacing:-.04em}.section-desc{max-width:680px;color:var(--muted);font-size:1.03rem}.section-top{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:2.6rem}.text-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--orange-deep);font-weight:800;border-bottom:1px solid currentColor}.text-link:after{content:'↗';font:1rem var(--mono)}.tag{display:inline-flex;align-items:center;padding:.34rem .7rem;border:1px solid currentColor;border-radius:99px;font-size:.76rem;line-height:1;color:var(--orange-deep);background:#fffaf2}.tag.dark{color:#dbe7df;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:1px solid transparent;padding:.85rem 1.15rem;min-height:46px;font-weight:800;transition:transform 160ms var(--ease),background 160ms var(--ease),color 160ms var(--ease)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:var(--orange-deep)}.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}.btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* Header：保持可见但不抢夺放映内容 */
.site-header{position:sticky;z-index:20;top:0;background:rgba(247,241,230,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.head-main{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:1.3rem}.brand{display:inline-flex;align-items:center;gap:.72rem;flex-shrink:0;font:900 1.18rem/1 var(--display);letter-spacing:-.06em}.brand img{width:34px;height:34px;object-fit:contain}.brand small{display:block;margin-top:.18rem;font:9px/1 var(--mono);letter-spacing:.09em;color:var(--muted)}.main-nav{display:flex;align-items:center;gap:1.25rem;font-size:.9rem;font-weight:700}.main-nav a{position:relative;padding:.45rem 0}.main-nav a:after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--orange);transition:width 180ms var(--ease)}.main-nav a:hover:after,.main-nav a[aria-current='page']:after{width:100%}.search-dock{border-top:1px solid var(--line);padding:.7rem 0;background:#f0eade}.search-form{display:flex;max-width:650px;position:relative}.search-form input{width:100%;border:1px solid var(--line);padding:.7rem 3.5rem .7rem .9rem;background:#fffdf8;outline:none}.search-form input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(230,123,69,.14)}.search-form button{position:absolute;right:.25rem;top:.25rem;bottom:.25rem;border:0;background:var(--ink);color:#fff;padding:0 .9rem}.search-note{margin:.42rem 0 0;color:var(--muted);font-size:.77rem}.mobile-nav{display:none;border:0;background:var(--ink);color:#fff;padding:.6rem .75rem}

/* Hero：首页以放映台而非居中横幅作为视觉起点 */
.hero{background:var(--ink);color:var(--paper);overflow:hidden}.hero-grid{display:grid;grid-template-columns:minmax(260px,.82fr) minmax(0,1.35fr);min-height:590px}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:5.5rem clamp(1.5rem,4vw,4.5rem) 4rem 0;position:relative}.hero-copy:before{content:'01';position:absolute;top:2rem;left:0;font:11px var(--mono);color:rgba(255,255,255,.45)}.hero h1{max-width:600px;margin:1rem 0 1.3rem;font:900 clamp(3rem,6vw,6.25rem)/.98 var(--display);letter-spacing:-.07em}.hero h1 em{font-style:normal;color:#f6a16e}.hero p{max-width:480px;margin:0;color:#d3e0d7;font-size:1.03rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}.hero .btn-ghost:hover{background:var(--paper);border-color:var(--paper);color:var(--ink)}.hero-side{position:relative;min-height:420px;isolation:isolate}.hero-side:before{content:'';position:absolute;inset:-10%;background:linear-gradient(100deg,rgba(15,41,37,.95) 0%,transparent 30%),linear-gradient(0deg,rgba(15,41,37,.55),transparent 50%);z-index:1}.hero-side:after{content:'';position:absolute;inset:0;z-index:2;background-image:linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(to left,black,transparent)}.hero-side img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.04)}.hero-card{position:absolute;z-index:3;bottom:2rem;left:-5rem;right:2.3rem;display:flex;align-items:end;justify-content:space-between;gap:1rem;padding:1.2rem 1.35rem;background:rgba(255,253,247,.94);color:var(--ink);box-shadow:var(--shadow)}.hero-card strong{display:block;font:900 1.22rem/1.35 var(--display)}.hero-card small{display:block;margin-top:.35rem;color:var(--muted);font:10px var(--mono);letter-spacing:.1em}.play-circle{flex:0 0 auto;width:48px;height:48px;border:0;border-radius:50%;background:var(--orange);color:#fff;font-size:1.1rem;transition:transform 160ms var(--ease)}.play-circle:hover{transform:scale(1.06)}

.featured{padding:6.5rem 0 4.7rem}.video-shelf{display:grid;grid-template-columns:repeat(12,1fr);gap:1.3rem}.video-card{grid-column:span 4;position:relative;display:flex;flex-direction:column;min-width:0;background:var(--warm);border:1px solid var(--line);transition:transform 210ms var(--ease),box-shadow 210ms var(--ease)}.video-card:hover{transform:translateY(-6px);box-shadow:0 18px 32px rgba(15,41,37,.12)}.video-card.featured-card{grid-column:span 8}.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 430ms var(--ease),filter 210ms var(--ease)}.video-card:hover .video-thumb img{transform:scale(1.045);filter:brightness(.8)}.thumb-abstract{display:grid;place-items:center;width:100%;height:100%;background:radial-gradient(circle at 65% 40%,#df7b47 0 6%,transparent 6.5%),linear-gradient(130deg,#163f38 0 47%,#ddb78a 47% 55%,#f1e5d2 55%)}.thumb-abstract.two{background:radial-gradient(circle at 25% 50%,#e67b45 0 7%,transparent 7.5%),repeating-linear-gradient(90deg,#0f2925 0 24px,#163a34 24px 42px),linear-gradient(#f7f1e6,#f7f1e6)}.video-play{position:absolute;z-index:2;left:1rem;bottom:1rem;width:42px;height:42px;border:1px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;background:rgba(15,41,37,.55);color:#fff;backdrop-filter:blur(5px)}.duration{position:absolute;right:.7rem;bottom:.7rem;padding:.25rem .42rem;background:rgba(15,41,37,.8);color:#fff;font:10px var(--mono)}.video-copy{padding:1.15rem 1.15rem 1.25rem}.video-copy h3{margin:.65rem 0 .48rem;font:800 1.27rem/1.35 var(--display);letter-spacing:-.04em}.video-copy p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.66}.metric-row{display:flex;align-items:center;gap:.75rem;margin-top:1rem;padding-top:.85rem;border-top:1px solid var(--line);color:var(--muted);font:10px var(--mono)}.metric-row span:first-child{color:var(--orange-deep)}

.program{padding:6rem 0;background:var(--warm);border-block:1px solid var(--line)}.program-layout{display:grid;grid-template-columns:1fr 1.42fr;gap:4.5rem;align-items:start}.program-note{padding:1.3rem;border-left:4px solid var(--orange);background:#fffaf4;color:var(--muted);font-size:.9rem}.program-list{border-top:1px solid var(--line)}.program-item{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:1rem;padding:1.3rem 0;border-bottom:1px solid var(--line)}.program-item b{font:12px var(--mono);color:var(--orange-deep)}.program-item h3{margin:0 0 .25rem;font:800 1.3rem/1.3 var(--display)}.program-item p{margin:0;color:var(--muted);font-size:.85rem}.program-item a{font-weight:800;color:var(--orange-deep)}

.ai-strip{padding:6.5rem 0;background:var(--ink);color:var(--paper)}.ai-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:stretch}.ai-image{min-height:450px;position:relative;overflow:hidden}.ai-image:after{content:'AI / EDIT / ANALYZE';position:absolute;left:1.25rem;bottom:1.25rem;padding:.42rem .55rem;background:var(--orange);font:10px var(--mono);letter-spacing:.1em}.ai-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.76)}.ai-panel{display:flex;flex-direction:column;justify-content:center}.ai-panel .section-desc{color:#cfddd4}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:2rem}.tool{padding:1.1rem;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16)}.tool strong{display:block;margin-bottom:.4rem;font:800 1rem var(--display)}.tool p{margin:0;color:#bbcbc1;font-size:.8rem;line-height:1.6}

.community{padding:6.5rem 0}.community-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:1.5rem;align-items:stretch}.community-poster{position:relative;min-height:450px;overflow:hidden;background:#e5d4bc}.community-poster img{width:100%;height:100%;object-fit:cover}.poster-title{position:absolute;z-index:1;inset:auto 1.2rem 1.2rem 1.2rem;padding:1.2rem;background:var(--ink);color:var(--paper)}.poster-title h3{margin:.35rem 0 0;font:900 1.7rem/1.2 var(--display)}.community-topics{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}.topic{min-height:216px;padding:1.35rem;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line);background:#f9f4eb}.topic:nth-child(2){background:var(--ink);color:var(--paper)}.topic:nth-child(4){background:var(--orange);color:#fff}.topic h3{margin:0;font:800 1.45rem/1.3 var(--display)}.topic p{margin:.8rem 0 0;color:var(--muted);font-size:.85rem;line-height:1.7}.topic:nth-child(2) p,.topic:nth-child(4) p{color:inherit;opacity:.8}.topic small{font:10px var(--mono);letter-spacing:.1em}

.experts{padding:6rem 0;background:#e8ede5}.expert-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:1.5rem}.expert-card{display:grid;grid-template-columns:210px 1fr;background:var(--warm);border:1px solid var(--line)}.expert-card img{width:100%;height:100%;min-height:330px;object-fit:cover}.expert-body{padding:1.7rem}.expert-body h3{margin:.4rem 0;font:900 2rem/1.2 var(--display)}.expert-body p{color:var(--muted);font-size:.89rem}.expert-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.expert-actions{display:flex;gap:.7rem;flex-wrap:wrap}.expert-side{display:flex;flex-direction:column;justify-content:space-between;padding:1.55rem;background:var(--ink);color:var(--paper)}.expert-side h3{margin:.5rem 0;font:900 1.9rem/1.3 var(--display)}.expert-side p{color:#c4d3ca;font-size:.9rem}.award-list{margin:1rem 0 0;padding:0;list-style:none}.award-list li{padding:.65rem 0;border-top:1px solid rgba(255,255,255,.13);font-size:.84rem}

.howto{padding:6.5rem 0}.how-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:4rem}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.3rem}.step{counter-increment:step;min-height:225px;padding:1.3rem;border-top:3px solid var(--orange);background:var(--warm)}.step:before{content:'0' counter(step);font:11px var(--mono);color:var(--orange-deep)}.step h3{margin:.9rem 0 .6rem;font:800 1.3rem/1.25 var(--display)}.step p{margin:0;color:var(--muted);font-size:.85rem}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:1rem 0}.faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:1rem;position:relative}.faq summary:after{content:'+';position:absolute;right:0;color:var(--orange);font-size:1.25rem}.faq details[open] summary:after{content:'−'}.faq p{margin:.75rem 0 0;color:var(--muted);font-size:.87rem}

.contact{padding:6rem 0;background:var(--ink);color:var(--paper)}.contact-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:4rem}.contact .section-desc{color:#c8d6cc}.contact-dl{margin:2rem 0 0;display:grid;grid-template-columns:120px 1fr;gap:.6rem 1rem;font-size:.9rem}.contact-dl dt{color:#9eb1a5}.contact-dl dd{margin:0}.qr-set{display:flex;gap:1.2rem;align-items:start;margin-top:2rem}.qr-card{padding:.7rem;background:#fff;color:var(--ink);width:128px}.qr-card img{width:100%;aspect-ratio:1;image-rendering:auto}.qr-card span{display:block;margin-top:.5rem;font-size:.7rem;font-weight:800;text-align:center}.contact-note{margin-top:1.4rem;padding:.9rem 1rem;border-left:3px solid var(--orange);background:rgba(255,255,255,.07);color:#c8d6cc;font-size:.8rem}.qr-visual{aspect-ratio:1;background-color:#fff;background-size:17px 17px;position:relative;overflow:hidden}.qr-visual:before,.qr-visual:after{content:'';position:absolute;width:29px;height:29px;border:6px solid #0f2925;background:#fff}.qr-visual:before{left:7px;top:7px}.qr-visual:after{right:7px;top:7px}.qr-official{background-image:linear-gradient(90deg,#0f2925 12%,transparent 12% 25%,#0f2925 25% 37%,transparent 37% 55%,#0f2925 55% 68%,transparent 68% 82%,#0f2925 82%),linear-gradient(#0f2925 12%,transparent 12% 25%,#0f2925 25% 37%,transparent 37% 55%,#0f2925 55% 68%,transparent 68% 82%,#0f2925 82%)}.qr-business{background-image:linear-gradient(90deg,#0f2925 10%,transparent 10% 22%,#0f2925 22% 31%,transparent 31% 47%,#0f2925 47% 59%,transparent 59% 76%,#0f2925 76% 88%,transparent 88%),linear-gradient(#0f2925 10%,transparent 10% 22%,#0f2925 22% 31%,transparent 31% 47%,#0f2925 47% 59%,transparent 59% 76%,#0f2925 76% 88%,transparent 88%)}

/* 内页：文章与播放页沿用编辑式节目单脉络 */
.breadcrumb{padding:1rem 0;color:var(--muted);font-size:.8rem}.breadcrumb a{color:var(--orange-deep)}.page-hero{padding:5rem 0 4rem;background:var(--ink);color:var(--paper)}.page-hero .eyebrow{color:#f5a06e}.page-hero h1{max-width:800px;margin:.75rem 0 1rem;font:900 clamp(2.8rem,6vw,5.2rem)/1.05 var(--display);letter-spacing:-.06em}.page-hero p{max-width:730px;margin:0;color:#c5d6ca}.content-wrap{padding:5rem 0}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:4rem}.article h2{margin:3rem 0 .9rem;font:900 2.1rem/1.25 var(--display);letter-spacing:-.04em}.article h3{margin:2rem 0 .7rem;font:800 1.38rem/1.35 var(--display)}.article p{color:#344843}.article ul{padding-left:1.25rem;color:#344843}.sidebar-box{padding:1.35rem;border-top:3px solid var(--orange);background:#ebe7dd}.sidebar-box h3{margin:0 0 .7rem;font:800 1.2rem/1.3 var(--display)}.sidebar-box p{margin:0;color:var(--muted);font-size:.85rem}.sidebar-box+.sidebar-box{margin-top:1rem}.detail-player{position:relative;background:#060c0a;aspect-ratio:16/9}.detail-player video{width:100%;height:100%;display:block}.video-info{display:grid;grid-template-columns:1fr auto;gap:1rem;padding:1.25rem 0;border-bottom:1px solid var(--line)}.video-info h1{margin:.55rem 0 0;font:900 clamp(2rem,4vw,3.5rem)/1.15 var(--display)}.share-bar{display:flex;gap:.45rem;align-items:center;flex-wrap:wrap}.share-bar button{border:1px solid var(--line);background:var(--warm);padding:.45rem .6rem;font-size:.76rem;font-weight:800}.share-bar button:hover{border-color:var(--orange);color:var(--orange-deep)}.disclosure{margin:1.6rem 0;padding:1rem 1.1rem;border-left:3px solid var(--orange);background:#fff5eb;color:#5d5148;font-size:.85rem}.related{margin-top:4rem;padding-top:3rem;border-top:1px solid var(--line)}

.site-footer{background:#0a1d19;color:#d2ddd4;padding:3.4rem 0 1.4rem}.footer-main{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:3rem}.site-footer .brand{color:var(--paper)}.site-footer .brand small{color:#9eb2a5}.footer-desc{max-width:420px;color:#a9baaf;font-size:.83rem}.footer-list h3{margin:0 0 .9rem;color:#fff;font:800 1rem var(--display)}.footer-list a{display:block;margin:.45rem 0;color:#a9baaf;font-size:.83rem}.footer-list a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:1rem;padding-top:2rem;margin-top:2rem;border-top:1px solid rgba(255,255,255,.12);color:#91a69a;font:10px var(--mono)}

.toast{position:fixed;z-index:99;right:1rem;bottom:1rem;max-width:350px;padding:.9rem 1rem;background:var(--ink);color:#fff;box-shadow:var(--shadow);font-size:.85rem;transform:translateY(140%);opacity:0;transition:transform 200ms var(--ease),opacity 200ms var(--ease)}.toast.show{transform:translateY(0);opacity:1}.reveal{opacity:0;transform:translateY(12px)}.reveal.is-visible{opacity:1;transform:none;transition:opacity 500ms var(--ease),transform 500ms var(--ease)}
.trust-note{margin:0;padding:1rem 1.2rem;border-top:1px solid var(--line);background:#f0eadf;color:#455750;font-size:.82rem}.trust-note strong{color:var(--ink)}.trust-note a{color:var(--orange-deep);font-weight:800;text-decoration:underline;text-underline-offset:3px}

@media (max-width:920px){.main-nav{display:none}.mobile-nav{display:inline-flex}.mobile-open .main-nav{position:absolute;top:74px;left:0;right:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:1rem 1.25rem;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(15,41,37,.12)}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:5rem 0 3.2rem}.hero-side{min-height:380px}.hero-card{left:1.5rem;right:1.5rem}.video-card,.video-card.featured-card{grid-column:span 6}.program-layout,.ai-layout,.community-grid,.expert-grid,.how-grid,.contact-layout{grid-template-columns:1fr;gap:2.5rem}.community-poster{min-height:360px}.content-grid{grid-template-columns:1fr;gap:2rem}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.sidebar-box+.sidebar-box{margin-top:0}.footer-main{grid-template-columns:1fr 1fr}.footer-main>div:first-child{grid-column:span 2}}
@media (max-width:620px){.wrap{width:min(100% - 1.5rem,1180px)}.head-main{min-height:64px}.brand img{width:30px;height:30px}.search-dock{padding:.55rem 0}.hero h1{font-size:3.2rem}.hero-side{min-height:300px}.hero-card{bottom:1rem;left:.75rem;right:.75rem;padding:.95rem}.hero-card strong{font-size:1rem}.section-top{display:block}.section-top .text-link{margin-top:1rem}.video-shelf{gap:1rem}.video-card,.video-card.featured-card{grid-column:span 12}.program-item{grid-template-columns:44px 1fr}.program-item a{display:none}.tool-grid,.community-topics,.steps{grid-template-columns:1fr}.expert-card{grid-template-columns:1fr}.expert-card img{height:260px;min-height:0}.contact-dl{grid-template-columns:1fr;gap:.1rem}.contact-dl dt{margin-top:.7rem}.qr-set{flex-wrap:wrap}.video-info{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr;gap:1.6rem}.footer-main>div:first-child{grid-column:auto}.footer-bottom{display:block;line-height:1.8}.page-hero{padding:3.5rem 0}.page-hero h1{font-size:2.7rem}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.001ms!important;transition-duration:.001ms!important}}