:root{--bg:#080a08;--bg2:#0e120e;--paper:#f4f1ea;--muted:#a8a49a;--green:#6faf8a;--gold:#c8a96a;--line:rgba(244,241,234,.15);--serif:"Noto Serif SC","Songti SC","SimSun",serif;--sans:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;--pad:max(24px,5.2vw)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px}body{margin:0;min-width:320px;background:var(--bg);color:var(--paper);font-family:var(--sans);font-synthesis:none;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit}img{display:block;max-width:100%}::selection{background:var(--green);color:#07100b}.grain{position:fixed;inset:0;z-index:999;opacity:.052;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E")}.cursor-glow{position:fixed;z-index:0;width:440px;height:440px;border-radius:50%;pointer-events:none;transform:translate3d(-50%,-50%,0);background:radial-gradient(circle,rgba(111,175,138,.10),transparent 68%);opacity:0;will-change:transform}
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:88px;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid transparent;transition:height .3s,background .3s,border-color .3s}.site-header.scrolled{height:72px;background:rgba(8,10,8,.86);backdrop-filter:blur(18px);border-color:var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand img{width:50px;height:50px;object-fit:contain}.brand>span{display:flex;flex-direction:column;gap:4px}.brand strong{font:500 15px/1 var(--serif);letter-spacing:.16em}.brand small{font:7px/1 Georgia,serif;letter-spacing:.25em;color:var(--muted)}.site-nav{display:flex;align-items:center;gap:34px}.site-nav a{position:relative;font-size:13px;color:#cbc8c0}.site-nav>a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:1px;background:var(--green);transition:right .3s}.site-nav>a:hover::after,.site-nav>a.active::after{right:0}.nav-cta{padding:12px 20px;border:1px solid rgba(111,175,138,.5);color:var(--paper)!important}.menu-toggle{display:none;border:0;background:none;width:42px;height:42px;position:relative}.menu-toggle i{position:absolute;left:9px;width:24px;height:1px;background:var(--paper);transition:.3s}.menu-toggle i:first-child{top:16px}.menu-toggle i:last-child{top:25px}
.hero{position:relative;min-height:800px;height:100svh;display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:5vw;padding:120px var(--pad) 68px;overflow:hidden;background:radial-gradient(circle at 72% 40%,rgba(29,61,43,.57),transparent 34%),var(--bg)}.hero::after{content:"";position:absolute;inset:auto 0 0;height:34%;background:linear-gradient(transparent,var(--bg));pointer-events:none}.motion-lines{position:absolute;inset:0;width:100%;height:100%;opacity:.2}.motion-lines path{fill:none;stroke:var(--green);stroke-width:.75;stroke-dasharray:6 15;stroke-dashoffset:700;animation:drawLine 6s 1s cubic-bezier(.3,.6,.3,1) forwards}.motion-lines path:last-child{stroke:var(--gold);opacity:.55;animation-delay:1.3s}@keyframes drawLine{to{stroke-dashoffset:0}}.hero-watermark{position:absolute;left:5%;top:13%;width:min(47vw,660px);opacity:.022;filter:grayscale(1)}.hero-copy{position:relative;z-index:3;max-width:790px}.eyebrow,.section-index{display:inline-block;font:10px/1.2 Georgia,serif;letter-spacing:.28em;color:var(--green)}.hero h1{margin:24px 0 24px;font:400 clamp(54px,5.9vw,98px)/1.08 var(--serif);letter-spacing:-.055em}.hero h1 em{font-style:normal;color:var(--green)}.hero-sub{margin:0;font:300 clamp(18px,1.55vw,23px)/1.8 var(--serif);color:#d7d2ca}.hero-note{max-width:650px;margin:18px 0 0;color:var(--muted);font-size:14px;line-height:1.95}.hero-tags{margin:23px 0 0;color:#bbb7ae;font-size:11px;letter-spacing:.13em}.hero-enter{opacity:0;transform:translate3d(0,24px,0);animation:heroIn 1s cubic-bezier(.2,.7,.2,1) forwards}.enter-1{animation-delay:.15s}.enter-2{animation-delay:.35s}.enter-3{animation-delay:.55s}@keyframes heroIn{to{opacity:1;transform:none}}.hero-actions{display:flex;gap:12px;margin-top:34px}.button{position:relative;overflow:hidden;min-height:54px;padding:0 23px;display:inline-flex;align-items:center;justify-content:space-between;gap:38px;border:1px solid var(--line);background:transparent;color:var(--paper);font-size:13px;letter-spacing:.05em;cursor:pointer;transition:transform .3s,border-color .3s,background .3s}.button::before{content:"";position:absolute;inset:0;transform:translate3d(-105%,0,0);background:linear-gradient(100deg,transparent,rgba(255,255,255,.18),transparent);transition:transform .65s}.button:hover{transform:translate3d(0,-2px,0);border-color:var(--gold)}.button:hover::before{transform:translate3d(105%,0,0)}.button-primary{background:var(--green);border-color:var(--green);color:#07100b}.button-ghost{background:rgba(8,10,8,.28);backdrop-filter:blur(8px)}.hero-art{position:relative;z-index:2;height:min(76vh,740px);max-width:600px;width:100%;justify-self:end;will-change:transform}.image-frame{height:100%;overflow:hidden;border-radius:47% 47% 4px 4px;clip-path:polygon(10% 0,100% 0,100% 90%,86% 100%,0 100%,0 12%);border:1px solid rgba(200,169,106,.28);background:#101510}.image-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,8,.28),transparent 42%),linear-gradient(transparent 65%,rgba(8,10,8,.62))}.image-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.72) contrast(1.04);animation:photoBreathe 12s ease-in-out infinite alternate;will-change:transform}@keyframes photoBreathe{to{transform:scale(1.04)}}.art-index{position:absolute;right:20px;top:27px;font:9px/1 Georgia,serif;letter-spacing:.2em;color:#ddd7ca}.art-caption{position:absolute;left:-42px;bottom:56px;padding:17px 20px;background:rgba(8,10,8,.84);border-left:1px solid var(--gold);font:italic 15px/1.65 Georgia,serif;letter-spacing:.1em}.scroll-cue{position:absolute;z-index:4;left:50%;bottom:18px;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);font:8px/1 Georgia,serif;letter-spacing:.3em}.scroll-cue i{width:1px;height:34px;background:linear-gradient(var(--green),transparent)}
.section{position:relative;padding:145px var(--pad)}.section-lead{max-width:970px}.section-lead h2,.advantage-heading h2,.space-copy h2{margin:22px 0 24px;font:400 clamp(43px,5.5vw,80px)/1.18 var(--serif);letter-spacing:-.045em}.section-lead h2 em{font-style:normal;color:var(--green)}.section-lead>p,.advantage-heading>p,.space-copy>p{max-width:740px;margin:0;color:var(--muted);font-size:15px;line-height:2}
.about{background:var(--bg2)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:70px}.glass-card{position:relative;min-height:340px;padding:31px;background:rgba(255,255,255,.025);border:1px solid rgba(111,175,138,.24);backdrop-filter:blur(10px);transition:transform .35s,border-color .35s,background .35s,box-shadow .35s}.glass-card:nth-child(2){border-color:rgba(200,169,106,.28)}.glass-card:hover{transform:translate3d(0,-4px,0);border-color:rgba(111,175,138,.65);background:linear-gradient(135deg,rgba(111,175,138,.08),rgba(255,255,255,.025));box-shadow:0 25px 65px rgba(0,0,0,.2)}.glass-card>span{font:italic 20px/1 Georgia,serif;color:var(--gold)}.glass-card h3{margin:125px 0 16px;font:400 25px/1.3 var(--serif)}.glass-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.9}
.courses{background:var(--paper);color:#101410}.courses .section-index{color:#397457}.courses .section-lead p{color:#676b65}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:70px;border-top:1px solid rgba(14,18,14,.22);border-left:1px solid rgba(14,18,14,.22)}.course-card{position:relative;min-height:350px;padding:31px;display:flex;flex-direction:column;border-right:1px solid rgba(14,18,14,.22);border-bottom:1px solid rgba(14,18,14,.22);overflow:hidden;transition:transform .35s,border-color .35s,background .35s,box-shadow .35s}.course-card::before{content:"";position:absolute;left:-100%;top:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--green),transparent);transition:left .7s}.course-card:hover::before{left:100%}.course-card:hover{z-index:2;transform:translate3d(0,-4px,0);border-color:rgba(57,116,87,.6);background:rgba(255,255,255,.56);box-shadow:0 20px 50px rgba(35,53,41,.1)}.course-card>span{font:italic 19px/1 Georgia,serif;color:#397457}.course-card small{margin-top:auto;margin-bottom:11px;font:8px/1 Georgia,serif;letter-spacing:.23em;color:#74776f}.course-card h3{margin:0 0 15px;font:400 27px/1.25 var(--serif)}.course-card p{min-height:74px;margin:0;color:#666961;font-size:13px;line-height:1.8}.course-card b{position:absolute;right:24px;top:24px;width:46px;height:46px;display:grid;place-items:center;border:1px solid rgba(14,18,14,.2);border-radius:50%;font:400 11px/1 var(--serif)}
.experience{background:#0b0e0b}.steps{margin-top:75px;border-top:1px solid var(--line)}.step{display:grid;grid-template-columns:100px 1fr;align-items:center;min-height:150px;border-bottom:1px solid var(--line);transition:padding-left .35s,background .35s}.step:hover{padding-left:12px;background:linear-gradient(90deg,rgba(111,175,138,.08),transparent)}.step>span{font:italic 16px/1 Georgia,serif;color:var(--gold)}.step>div{display:grid;grid-template-columns:260px 1fr;gap:50px;align-items:center}.step h3{margin:0;font:400 28px/1.3 var(--serif)}.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.advantages{min-height:980px;display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw;align-items:center;overflow:hidden;background:var(--bg2)}.advantage-visual{position:absolute;inset:0 55% 0 0;opacity:.24}.advantage-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(14,18,14,.98)),linear-gradient(transparent,rgba(14,18,14,.72))}.advantage-visual img{width:100%;height:100%;object-fit:cover;object-position:58% center;filter:saturate(.55)}.advantage-heading,.advantage-list{position:relative;z-index:2}.advantage-list{border-top:1px solid var(--line)}.advantage-list article{display:grid;grid-template-columns:62px 1fr;gap:12px;align-items:center;min-height:124px;border-bottom:1px solid var(--line);transition:padding-left .35s,background .35s}.advantage-list article:hover{padding-left:12px;background:linear-gradient(90deg,rgba(111,175,138,.09),transparent)}.advantage-list>article>span{font:italic 13px/1 Georgia,serif;color:var(--gold)}.advantage-list h3{margin:0 0 7px;font:400 23px/1.25 var(--serif)}.advantage-list p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.audience{background:var(--bg)}.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:65px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.audience-card{min-height:240px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:transform .35s,background .35s,border-color .35s}.audience-card:hover{transform:translate3d(0,-4px,0);background:rgba(111,175,138,.07);border-color:rgba(111,175,138,.45)}.audience-card span{font:italic 14px/1 Georgia,serif;color:var(--gold)}.audience-card p{margin:0;font:400 21px/1.7 var(--serif);color:#d9d5cc}
.space{position:relative;min-height:900px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;overflow:hidden;background:#0a0c0a}.space-image{position:absolute;inset:-5% 42% -5% -3%;will-change:transform}.space-image::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,8,.08),rgba(8,10,8,.12) 55%,#0a0c0a),linear-gradient(transparent 64%,#0a0c0a)}.space-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.62) contrast(1.03)}.space-copy{position:relative;z-index:2;grid-column:2;padding:120px var(--pad) 120px 8vw}.space-copy ul{list-style:none;margin:42px 0 0;padding:0;border-top:1px solid var(--line)}.space-copy li{padding:18px 0;border-bottom:1px solid var(--line);color:#d5d1c8;font-size:13px}.space-copy li::before{content:"—";margin-right:15px;color:var(--green)}
.gallery{background:var(--paper);color:#101410}.gallery .section-index{color:#397457}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:270px;gap:14px;margin-top:65px}.gallery-item{position:relative;margin:0;overflow:hidden;background:#ccd0c9}.gallery-item.large{grid-column:span 2}.gallery-item.tall{grid-row:span 2}.gallery-item.wide{grid-column:span 2}.gallery-item img{width:100%;height:100%;object-fit:cover;filter:saturate(.64) contrast(1.02);transition:transform .8s,filter .5s}.gallery-item:nth-child(3) img,.gallery-item:nth-child(5) img{object-position:70% center}.gallery-item:nth-child(4) img{object-position:62% 35%}.gallery-item:hover img{transform:scale(1.035);filter:saturate(.78)}.gallery-item::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(7,10,7,.72))}.gallery-item figcaption{position:absolute;z-index:2;left:22px;bottom:20px;color:var(--paper);font:400 17px/1 var(--serif)}.gallery-item figcaption span{margin-right:11px;color:var(--green);font:italic 10px/1 Georgia,serif}
.contact{position:relative;min-height:900px;padding:140px var(--pad);display:grid;grid-template-columns:.9fr 1.1fr;gap:9vw;align-items:center;overflow:hidden;background:radial-gradient(circle at 12% 80%,rgba(111,175,138,.11),transparent 30%),var(--bg2)}.contact-intro,.booking-form{position:relative;z-index:2}.contact h2{margin:24px 0;font:400 clamp(48px,5.8vw,84px)/1.12 var(--serif);letter-spacing:-.05em}.contact-intro>p{max-width:600px;color:var(--muted);font-size:15px;line-height:1.95}.wechat-card{display:flex;align-items:center;gap:20px;width:max-content;margin-top:38px;padding:14px 22px 14px 14px;border:1px solid var(--line);background:rgba(255,255,255,.025)}.wechat-card img{width:92px;height:92px;object-fit:cover}.wechat-card>div{display:flex;flex-direction:column;gap:7px}.wechat-card small{font:8px/1 Georgia,serif;letter-spacing:.2em;color:var(--green)}.wechat-card strong{font:400 18px/1.4 var(--serif)}.wechat-card span{font-size:11px;color:var(--muted)}.booking-form{padding:42px;background:rgba(255,255,255,.035);border:1px solid var(--line);backdrop-filter:blur(14px)}.booking-form label{display:grid;grid-template-columns:105px 1fr;align-items:center;min-height:72px;border-bottom:1px solid var(--line)}.booking-form label>span{font-size:12px;color:#c5c1b8}.booking-form input,.booking-form select{width:100%;height:48px;padding:0 8px;border:0;outline:0;background:transparent;color:var(--paper);font-size:14px}.booking-form input::placeholder{color:#777970}.booking-form select{cursor:pointer}.booking-form option{background:#111511;color:var(--paper)}.submit-button{width:100%;margin-top:28px}.form-note{margin:15px 0 0;color:#777b74;font-size:10px;line-height:1.6}.form-status{min-height:20px;margin:9px 0 0;color:var(--green);font-size:12px}
footer{padding:34px var(--pad);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:50px;background:#050705;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.footer-brand{display:flex;align-items:center;gap:13px}.footer-brand img{width:44px;height:44px;object-fit:contain}.footer-brand>span{display:flex;flex-direction:column;gap:6px}.footer-brand strong{font:400 14px/1 var(--serif);color:var(--paper);letter-spacing:.1em}.footer-brand small{font-size:9px}.footer-info{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.reveal{opacity:0;transform:translate3d(0,30px,0);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}.reveal.visible{opacity:1;transform:none}
@media(max-width:1100px){.site-nav{gap:20px}.course-grid{grid-template-columns:repeat(2,1fr)}.advantages{gap:5vw}.footer-info span:nth-child(2){display:none}}
@media(max-width:760px){:root{--pad:20px}html{scroll-padding-top:64px}.grain{opacity:.035}.cursor-glow,.motion-lines{display:none}.site-header{height:68px}.site-header.scrolled{height:62px}.brand img{width:42px;height:42px}.brand strong{font-size:13px}.menu-toggle{display:block;z-index:102}.menu-toggle.active i:first-child{top:21px;transform:rotate(45deg)}.menu-toggle.active i:last-child{top:21px;transform:rotate(-45deg)}.site-nav{position:fixed;inset:0;z-index:101;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:80px 12vw;gap:23px;background:rgba(8,10,8,.985);transform:translate3d(0,-105%,0);transition:transform .45s}.site-nav.open{transform:none}.site-nav a{font:400 27px/1.2 var(--serif)}.nav-cta{margin-top:10px}.hero{height:auto;min-height:100svh;display:block;padding:112px var(--pad) 62px}.hero h1{font-size:48px;margin-top:20px}.hero-sub{font-size:17px}.hero-note{font-size:13px;line-height:1.8}.hero-tags{font-size:10px;line-height:2}.hero-actions{gap:8px}.button{min-height:50px;padding:0 16px;gap:18px}.hero-art{height:54vh;min-height:430px;margin:52px 0 0 12vw}.art-caption{left:-12vw;bottom:35px}.scroll-cue{display:none}.section{padding:92px var(--pad)}.section-lead h2,.advantage-heading h2,.space-copy h2{font-size:40px}.feature-grid{grid-template-columns:1fr;margin-top:45px}.glass-card{min-height:245px;padding:25px}.glass-card h3{margin-top:70px}.course-grid{grid-template-columns:1fr;margin-top:45px}.course-card{min-height:300px;padding:27px}.course-card p{min-height:auto}.steps{margin-top:50px}.step{grid-template-columns:48px 1fr;min-height:170px}.step>div{display:block}.step h3{font-size:23px;margin-bottom:11px}.step p{font-size:13px}.advantages{min-height:auto;display:block;padding-top:105px}.advantage-visual{inset:0 0 62% 27%;opacity:.18}.advantage-heading{max-width:80%}.advantage-list{margin-top:62px}.advantage-list article{grid-template-columns:42px 1fr;min-height:126px}.advantage-list h3{font-size:20px}.audience-grid{grid-template-columns:1fr;margin-top:45px}.audience-card{min-height:190px}.space{min-height:auto;display:block;padding-top:56vh}.space-image{inset:0 0 auto;height:58vh}.space-image::after{background:linear-gradient(transparent 48%,#0a0c0a)}.space-copy{padding:55px var(--pad) 95px}.gallery-grid{grid-template-columns:1fr;grid-auto-rows:300px;margin-top:45px}.gallery-item.large,.gallery-item.tall,.gallery-item.wide{grid-column:auto;grid-row:auto}.contact{min-height:auto;padding:98px var(--pad);display:block}.contact h2{font-size:45px}.wechat-card{width:100%}.booking-form{margin-top:50px;padding:25px}.booking-form label{grid-template-columns:90px 1fr}footer{grid-template-columns:1fr auto;align-items:start;gap:24px}.footer-info{grid-column:1/-1;justify-content:flex-start}.footer-info span:nth-child(2){display:inline}}
@media(max-width:390px){.hero h1{font-size:43px}.hero-actions .button{font-size:12px}.audience-card p{font-size:19px}.contact h2{font-size:40px}.booking-form{padding:20px}.booking-form label{grid-template-columns:82px 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal,.hero-enter{opacity:1;transform:none}}

/* ================================================================
   CINEMATIC HERO / 首页艺术封面
   各视觉层独立定位，避免影响后续页面布局。
   ================================================================ */
.hero-cinematic{isolation:isolate;height:100svh;min-height:720px;grid-template-columns:1.08fr .92fr;gap:3.5vw;padding-top:106px;background:#060806}
.hero-cinematic::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(115deg,#050705 0%,#0c120d 48%,#070907 100%)}
.hero-cinematic::after{z-index:7;height:24%;background:linear-gradient(transparent,#080a08)}
.hero-backdrop{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}
.hero-backdrop::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 48% 46%,transparent 0 28%,rgba(2,4,2,.42) 73%),linear-gradient(90deg,rgba(3,5,3,.16),transparent 44%,rgba(3,5,3,.24))}
.hero-orb{position:absolute;width:min(58vw,850px);aspect-ratio:1;border-radius:50%;filter:blur(90px);opacity:.18;will-change:transform;animation:orbDrift 14s ease-in-out infinite alternate}
.orb-a{right:-15%;top:-30%;background:rgba(69,137,98,.7)}
.orb-b{left:16%;bottom:-65%;background:rgba(200,169,106,.28);animation-delay:-5s;animation-duration:17s}
@keyframes orbDrift{to{transform:translate3d(-4%,6%,0) scale(1.08)}}

/* 开场 Logo：中心停留后，缩放并移动到导航标志位置。 */
.intro-mark{position:absolute;z-index:120;left:50%;top:50%;width:130px;height:130px;margin:-65px 0 0 -65px;display:grid;place-items:center;opacity:0;pointer-events:none;transform-origin:center;animation:introMark 1.55s .2s cubic-bezier(.65,0,.2,1) forwards}
.intro-mark img{position:relative;z-index:2;width:82%;height:82%;object-fit:contain;filter:drop-shadow(0 0 28px rgba(111,175,138,.18))}
.intro-mark::before{content:"";position:absolute;inset:-9px;border-radius:50%;background:conic-gradient(transparent 0 72%,rgba(200,169,106,.9),transparent 88%);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 1px),#000 0);mask:radial-gradient(farthest-side,transparent calc(100% - 1px),#000 0);animation:introRing 1.1s .25s ease-out both}
@keyframes introRing{from{transform:rotate(-110deg);opacity:0}40%{opacity:1}to{transform:rotate(250deg);opacity:0}}
@keyframes introMark{0%{opacity:0;transform:scale(.82);filter:blur(8px)}16%,40%{opacity:1;transform:scale(1);filter:blur(0)}82%{opacity:1}100%{opacity:0;transform:translate3d(calc(-50vw + var(--pad) + 25px),calc(-50svh + 44px),0) scale(.38)}}
.site-header{opacity:0;animation:headerArrive .35s 1.42s ease-out forwards}
@keyframes headerArrive{to{opacity:1}}

/* 描边英文与舞蹈轨迹位于人物和正文之后。 */
.hero-english-motion{position:absolute;z-index:2;left:0;top:44%;width:100%;overflow:hidden;pointer-events:none;--english-x:0px;--english-y:0px;transform:translate3d(var(--english-x),var(--english-y),0);will-change:transform}
.hero-english{width:max-content;white-space:nowrap;font:italic 400 clamp(94px,13vw,215px)/.82 Georgia,serif;letter-spacing:-.055em;color:transparent;-webkit-text-stroke:1px rgba(244,241,234,.11);opacity:0;transform:translate3d(-3%,0,0);animation:englishReveal .9s 1.3s ease-out forwards,englishDrift 20s 2.2s ease-in-out infinite alternate}
@keyframes englishReveal{to{opacity:1}}
@keyframes englishDrift{to{transform:translate3d(-10%,0,0)}}
.hero-cinematic .motion-lines{z-index:2;opacity:1;pointer-events:none;overflow:visible}
.hero-cinematic .motion-lines path{fill:none;stroke:var(--green);stroke-width:1.15;stroke-linecap:round;stroke-dasharray:1900;stroke-dashoffset:1900;opacity:.3;filter:url(#line-glow);transform-box:fill-box;transform-origin:center;animation:coverLineDraw 2s .6s cubic-bezier(.2,.65,.25,1) forwards,coverLineFloat 9s 2.65s ease-in-out infinite alternate}
.hero-cinematic .motion-lines path:nth-of-type(2){stroke:var(--gold);stroke-width:.9;opacity:.22;animation-delay:.72s,2.8s;animation-duration:2.1s,11s}
.hero-cinematic .motion-lines path:nth-of-type(3){stroke:var(--green);stroke-width:.7;opacity:.18;animation-delay:.84s,2.95s;animation-duration:2.2s,13s}
@keyframes coverLineDraw{to{stroke-dashoffset:0}}
@keyframes coverLineFloat{to{transform:translate3d(0,-10px,0) scale(1.006)}}

/* 主文案：中文标题逐字进入，正文与按钮按时间线依次出现。 */
.hero-cinematic .hero-copy{z-index:6;max-width:780px}
.cover-enter{opacity:0;transform:translate3d(0,20px,0);animation:coverFadeUp .85s cubic-bezier(.2,.7,.2,1) forwards}
.cover-eyebrow{animation-delay:.78s}
.cover-copy{animation-delay:1.5s}
.cover-actions{animation-delay:2.1s}
@keyframes coverFadeUp{to{opacity:1;transform:none}}
.hero-cinematic .kinetic-title{margin:20px 0 22px;font-size:clamp(55px,5.65vw,94px);line-height:1.03;letter-spacing:-.065em}
.title-line{display:block;white-space:nowrap}
.title-line i{display:inline-block;font-style:normal;opacity:0;filter:blur(10px);animation:titleCharacter .78s calc(.9s + var(--i) * .055s) cubic-bezier(.18,.72,.2,1) forwards}
.title-line i:nth-child(3n+1){transform:translate3d(-16px,20px,0) rotate(-2deg)}
.title-line i:nth-child(3n+2){transform:translate3d(0,-16px,0) rotate(1.5deg)}
.title-line i:nth-child(3n){transform:translate3d(14px,16px,0) rotate(2deg)}
.title-accent{color:var(--green)}
@keyframes titleCharacter{to{opacity:1;filter:blur(0);transform:none}}
.hero-cinematic .hero-sub{font-size:clamp(17px,1.4vw,22px)}
.hero-cinematic .hero-note{max-width:570px;margin-top:13px;font-size:13px;line-height:1.8}
.hero-cinematic .hero-actions{margin-top:27px}
.hero-cinematic .button:hover{border-color:rgba(200,169,106,.88);box-shadow:0 0 28px rgba(111,175,138,.12)}

/* 人物画面使用有机裁切；外层负责进入和鼠标视差，图片只负责呼吸。 */
.hero-cinematic .hero-art{z-index:4;height:min(73vh,690px);max-width:620px;--art-x:0px;--art-y:0px;opacity:0;transform:translate3d(calc(58px + var(--art-x)),var(--art-y),0) scale(1.08);animation:heroArtEnter 1.15s 1.02s cubic-bezier(.16,.72,.2,1) forwards}
@keyframes heroArtEnter{to{opacity:1;transform:translate3d(var(--art-x),var(--art-y),0) scale(1)}}
.hero-cinematic .image-frame{position:relative;border-radius:46% 54% 42% 58% / 34% 40% 60% 66%;clip-path:polygon(13% 0,88% 3%,100% 31%,94% 88%,72% 100%,5% 92%,0 20%);border-color:rgba(200,169,106,.34);box-shadow:0 45px 110px rgba(0,0,0,.46)}
.hero-cinematic .image-frame::after{background:linear-gradient(90deg,rgba(8,10,8,.52),transparent 48%),linear-gradient(transparent 48%,rgba(5,8,5,.72)),radial-gradient(circle at 74% 33%,transparent,rgba(8,10,8,.18))}
.hero-cinematic .image-frame img{transform:scale(1.04);animation:cinematicBreathe 12s 2.15s ease-in-out infinite alternate}
@keyframes cinematicBreathe{to{transform:scale(1)}}
.hero-cinematic .art-caption{left:-30px;bottom:48px}

/* 关键词保持低存在感，悬停时才提亮。 */
.hero-keywords{position:absolute;inset:92px var(--pad) 72px;z-index:6;pointer-events:none;--kw-x:0px;--kw-y:0px;transform:translate3d(var(--kw-x),var(--kw-y),0);will-change:transform}
.hero-keywords span{position:absolute;padding:8px 13px;border:1px solid rgba(244,241,234,.16);border-radius:99px;background:rgba(8,10,8,.3);backdrop-filter:blur(8px);color:rgba(244,241,234,.58);font-size:10px;letter-spacing:.09em;opacity:0;pointer-events:auto;transition:color .3s,border-color .3s,background .3s,box-shadow .3s;animation:keywordEnter .6s calc(1.8s + var(--i) * .07s) ease-out forwards,keywordFloat calc(6s + var(--i) * .7s) calc(2.6s + var(--i) * -.55s) ease-in-out infinite alternate}
.hero-keywords span:hover{color:var(--paper);border-color:rgba(111,175,138,.65);background:rgba(111,175,138,.09);box-shadow:0 0 34px rgba(111,175,138,.12)}
.hero-keywords span:nth-child(1){left:2%;top:19%}.hero-keywords span:nth-child(2){left:39%;top:4%}.hero-keywords span:nth-child(3){right:3%;top:24%}.hero-keywords span:nth-child(4){right:1%;bottom:16%}.hero-keywords span:nth-child(5){left:39%;bottom:5%}.hero-keywords span:nth-child(6){left:3%;bottom:12%}
@keyframes keywordEnter{from{opacity:0;filter:blur(6px)}to{opacity:1;filter:blur(0)}}
@keyframes keywordFloat{to{transform:translate3d(4px,-8px,0) scale(1.025)}}

/* 滚动提示在首屏离开时由脚本淡出。 */
.hero-cinematic .scroll-cue{z-index:8;bottom:14px;gap:6px;opacity:0;animation:scrollCueIn .6s 2.4s ease-out forwards;transition:opacity .35s,transform .35s}
.hero-cinematic .scroll-cue small{font:9px/1.2 var(--sans);letter-spacing:.12em;color:rgba(244,241,234,.48)}
.hero-cinematic .scroll-cue i{position:relative;width:1px;height:32px;overflow:hidden;background:rgba(244,241,234,.15)}
.hero-cinematic .scroll-cue i b{position:absolute;left:0;top:-100%;width:1px;height:70%;background:linear-gradient(transparent,var(--green));animation:scrollDrop 1.9s 2.5s ease-in-out infinite}
.hero-cinematic.has-scrolled .scroll-cue{opacity:0!important;transform:translate3d(0,10px,0)}
@keyframes scrollCueIn{to{opacity:1}}
@keyframes scrollDrop{to{transform:translate3d(0,250%,0)}}

/* 鼠标柔光仅在精细指针设备上显示，位置完全使用 transform 更新。 */
.cursor-glow{z-index:3;left:0;top:0;width:520px;height:520px;background:radial-gradient(circle,rgba(111,175,138,.13),rgba(111,175,138,.035) 38%,transparent 70%);transform:translate3d(calc(var(--glow-x,50vw) - 50%),calc(var(--glow-y,50vh) - 50%),0);transition:opacity .35s}

/* 开场结束后的稳定态：降低持续运动，只留下呼吸、微浮动与鼠标视差。 */
.hero-cinematic.hero-settled .hero-orb{animation-play-state:paused;opacity:.1;transition:opacity 1.4s ease}
.hero-cinematic.hero-settled .hero-english{animation:none;opacity:.52!important;transform:translate3d(-6%,0,0);-webkit-text-stroke-color:rgba(244,241,234,.065);transition:opacity 1.4s ease,transform 1.4s ease}
.hero-cinematic.hero-settled .motion-lines path{stroke-dashoffset:0;filter:none;opacity:.13;animation:settledLineFloat 16s ease-in-out infinite alternate;transition:opacity 1.4s ease,filter 1.4s ease}
.hero-cinematic.hero-settled .motion-lines path:nth-of-type(2){opacity:.09;animation-duration:19s}
.hero-cinematic.hero-settled .motion-lines path:nth-of-type(3){opacity:.07;animation-duration:22s}
.hero-cinematic.hero-settled .hero-keywords span{opacity:.62!important;color:rgba(244,241,234,.44);border-color:rgba(244,241,234,.11);background:rgba(8,10,8,.22);animation:settledKeywordFloat calc(10s + var(--i) * .8s) calc(var(--i) * -.7s) ease-in-out infinite alternate;transition:opacity 1.2s ease,color .3s,border-color .3s,background .3s,box-shadow .3s}
body.hero-stable .cursor-glow{background:radial-gradient(circle,rgba(111,175,138,.09),rgba(111,175,138,.025) 38%,transparent 70%)}
@keyframes settledLineFloat{to{transform:translate3d(0,-4px,0) scale(1.002)}}
@keyframes settledKeywordFloat{from{opacity:.62;transform:translate3d(0,0,0) scale(1)}to{opacity:.62;transform:translate3d(2px,-3px,0) scale(1.008)}}

/* 平板与手机：保留标题、轨迹和图片呼吸，关闭复杂指针交互。 */
@media(max-width:760px){
  .hero-cinematic{height:100svh;min-height:690px;padding:92px 20px 48px;display:block}
  .hero-cinematic .motion-lines{display:block;opacity:.7}
  .hero-cinematic .motion-lines path{stroke-width:1.3;opacity:.2}
  .hero-cinematic .hero-copy{position:relative;z-index:7;max-width:94%;height:100%;display:flex;flex-direction:column;justify-content:center;padding-bottom:40px}
  .hero-cinematic .kinetic-title{margin:15px 0 18px;font-size:clamp(40px,12vw,53px);line-height:1.06}
  .hero-cinematic .hero-sub{max-width:88%;font-size:16px;line-height:1.65}
  .hero-cinematic .hero-note{max-width:82%;font-size:12px;line-height:1.65}
  .hero-cinematic .hero-actions{margin-top:22px}
  .hero-cinematic .hero-art{position:absolute;right:-25%;bottom:-4%;width:76%;height:64%;min-height:0;margin:0;opacity:0;animation-name:heroArtEnterMobile}
  @keyframes heroArtEnterMobile{to{opacity:.62;transform:translate3d(0,0,0) scale(1)}}
  .hero-cinematic .image-frame{border-radius:55% 45% 0 0 / 34% 42% 0 0;clip-path:polygon(12% 0,88% 4%,100% 25%,96% 100%,0 100%,0 18%)}
  .hero-cinematic .image-frame::after{background:linear-gradient(90deg,rgba(8,10,8,.78),rgba(8,10,8,.06)),linear-gradient(transparent 46%,rgba(8,10,8,.9))}
  .hero-cinematic .art-caption,.hero-cinematic .art-index{display:none}
  .hero-english-motion{top:38%}.hero-english{font-size:88px;-webkit-text-stroke-color:rgba(244,241,234,.075)}
  .hero-keywords{position:absolute;inset:auto 20px 20px;z-index:8;display:flex;flex-wrap:wrap;gap:7px;margin:0;transform:none}
  .hero-keywords span{position:static;padding:6px 9px;font-size:9px;animation:keywordEnter .55s calc(1.8s + var(--i) * .06s) ease-out forwards}
  .hero-cinematic.hero-settled .hero-keywords span{opacity:.72!important;animation:none;transform:none}
  .hero-cinematic .scroll-cue{display:none}
  .intro-mark{width:104px;height:104px;margin:-52px 0 0 -52px}
  @keyframes introMark{0%{opacity:0;transform:scale(.82);filter:blur(8px)}16%,40%{opacity:1;transform:scale(1);filter:blur(0)}82%{opacity:1}100%{opacity:0;transform:translate3d(calc(-50vw + 41px),calc(-50svh + 34px),0) scale(.4)}}
}
@media(max-width:390px){
  .hero-cinematic{min-height:650px;padding-top:82px}
  .hero-cinematic .kinetic-title{font-size:40px}
  .hero-cinematic .hero-sub{font-size:15px}
  .hero-cinematic .hero-note{max-width:88%;margin-top:10px}
  .hero-cinematic .button{min-height:47px;padding:0 13px;gap:12px}
  .hero-keywords{bottom:16px;gap:5px}
}

/* 系统要求减少动态时，直接呈现最终画面，不强制播放开场。 */
@media(prefers-reduced-motion:reduce){
  .intro-mark{display:none}.site-header,.hero-english,.cover-enter,.title-line i,.hero-cinematic .hero-art,.hero-keywords span,.hero-cinematic .scroll-cue{opacity:1!important;filter:none!important;transform:none!important}
  .hero-cinematic .motion-lines path{stroke-dashoffset:0!important}.hero-english-motion,.hero-keywords{transform:none!important}
}