/* ============================================================
   风笙水起 · 公司官网 v3
   电影感 + 工业化。白天与夜晚两套光。
   ============================================================ */

@font-face{
  font-family:"FSSQ Brush";
  src:url("../fonts/LongCang-Display.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"FSSQ Serif";
  src:url("../fonts/NotoSerifSC-400.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"FSSQ Serif";
  src:url("../fonts/NotoSerifSC-600.woff2") format("woff2");
  font-weight:600;font-style:normal;font-display:swap;
}

/* ---------------- 主题 ---------------- */
:root{
  --bg:#F6F1E8;
  --surface:rgba(255,255,255,.55);
  --surface-solid:#FBF8F2;
  --ink:#15181A;
  --ink-2:#3C4245;
  --muted:#6E736D;
  --muted-2:#8C9089;
  --line:rgba(21,24,26,.14);
  --line-2:rgba(21,24,26,.08);
  --gold:#8A6736;
  --gold-2:#A87F49;
  --gold-bright:#C9A063;
  --teal:#2A5F5C;
  --plate:#F6F1E8;
  --btn-bg:#15181A;
  --btn-fg:#F6F1E8;
  --shadow:0 40px 90px -50px rgba(30,25,15,.55);
  --shadow-sm:0 16px 40px -24px rgba(30,25,15,.4);
  --grain:.04;
  --blob-o:.9;
  --blob-1:rgba(206,158,86,.30);
  --blob-2:rgba(58,122,116,.20);
  --blob-3:rgba(176,120,96,.16);
  --grid-line:rgba(21,24,26,.05);
  --wash:rgba(28,34,36,.045);
  --wash-ink:rgba(28,34,36,.085);
  --serif:"FSSQ Serif","Songti SC","STSong","Source Han Serif SC","Noto Serif CJK SC",serif;
  --brush:"FSSQ Brush","FSSQ Serif","Songti SC",serif;
}
[data-theme="dark"]{
  --bg:#080C11;
  --surface:rgba(255,255,255,.03);
  --surface-solid:#0C1218;
  --ink:#F0ECE4;
  --ink-2:#C7C4BC;
  --muted:#8F9691;
  --muted-2:#6C7570;
  --line:rgba(240,236,228,.16);
  --line-2:rgba(240,236,228,.08);
  --gold:#C9A063;
  --gold-2:#D9BC8C;
  --gold-bright:#E5CFA4;
  --teal:#57A39D;
  --plate:#EFE9DD;
  --btn-bg:#F0ECE4;
  --btn-fg:#080C11;
  --shadow:0 40px 100px -50px rgba(0,0,0,.95);
  --shadow-sm:0 18px 44px -24px rgba(0,0,0,.9);
  --grain:.055;
  --blob-o:.85;
  --blob-1:rgba(38,118,116,.34);
  --blob-2:rgba(201,160,99,.20);
  --blob-3:rgba(46,74,124,.30);
  --grid-line:rgba(240,236,228,.045);
  --wash:rgba(255,255,255,.03);
  --wash-ink:rgba(90,150,145,.10);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
.theme-anim,.theme-anim *{transition:background-color .6s ease,color .6s ease,border-color .6s ease,opacity .6s ease !important}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ol,ul{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.2}
::selection{background:var(--gold-bright);color:#14181A}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:2px}

.skip{position:fixed;left:16px;top:-60px;z-index:200;background:var(--btn-bg);color:var(--btn-fg);padding:10px 16px;border-radius:6px;transition:top .25s}
.skip:focus{top:16px}

.wrap{width:min(1280px,calc(100% - clamp(40px,9vw,150px)));margin-inline:auto}

/* ---------------- 动态背景 ---------------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:var(--bg)}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:var(--blob-o);will-change:transform}
.blob--a{width:62vw;height:62vw;left:-14vw;top:-18vw;background:var(--blob-1);animation:drift-a 32s ease-in-out infinite alternate}
.blob--b{width:56vw;height:56vw;right:-16vw;top:18vh;background:var(--blob-2);animation:drift-b 40s ease-in-out infinite alternate}
.blob--c{width:74vw;height:44vw;left:12vw;bottom:-24vh;background:var(--blob-3);animation:drift-c 48s ease-in-out infinite alternate}
@keyframes drift-a{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(6vw,4vh,0) scale(1.12)}}
@keyframes drift-b{from{transform:translate3d(0,0,0) scale(1.05)}to{transform:translate3d(-7vw,6vh,0) scale(.95)}}
@keyframes drift-c{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(8vw,-5vh,0) scale(1.1)}}
.bg__grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:104px 104px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 20%,transparent 78%);
  mask-image:radial-gradient(120% 90% at 50% 0%,#000 20%,transparent 78%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:60;pointer-events:none;opacity:var(--grain);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
[data-theme="dark"] body::after{mix-blend-mode:screen}

.progress{position:fixed;left:0;top:0;right:0;height:2px;z-index:120;background:transparent}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--gold-2))}

/* ---------------- 页头 ---------------- */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;gap:36px;
  padding:20px clamp(20px,4.5vw,72px);
  transition:background .45s ease,padding .45s ease,border-color .45s ease,color .45s ease;
  border-bottom:1px solid transparent;color:var(--ink);
}
.site-head.is-stuck{
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  -webkit-backdrop-filter:blur(18px) saturate(150%);backdrop-filter:blur(18px) saturate(150%);
  border-bottom-color:var(--line-2);padding-block:13px;
}
.site-head.on-image,.site-head.on-dark{color:#F4EFE6}
.site-head.on-dark.is-stuck{background:rgba(9,13,18,.88)}
.site-head.on-image .brand__text,.site-head.on-image .nav a,.site-head.on-dark .brand__text,.site-head.on-dark .nav a{color:rgba(244,239,230,.86)}
.site-head.on-image .nav a:hover,.site-head.on-dark .nav a:hover{color:#fff}
.site-head.on-image .theme-toggle,.site-head.on-dark .theme-toggle{border-color:rgba(244,239,230,.35);color:#F4EFE6}
.site-head.on-image .head-cta,.site-head.on-dark .head-cta{background:#F4EFE6;color:#15181A}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:24px;height:auto}
.brand__text{font-family:var(--serif);font-size:15px;letter-spacing:.22em;transition:color .4s}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{position:relative;font-size:13.5px;letter-spacing:.08em;color:var(--muted);padding:4px 0;transition:color .3s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;opacity:.7;transform:scaleX(0);transform-origin:100% 50%;transition:transform .4s cubic-bezier(.16,1,.3,1)}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{transform:scaleX(1);transform-origin:0 50%}
.head-right{display:flex;align-items:center;gap:14px}
.theme-toggle{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);color:inherit;transition:background .3s,transform .3s}
.theme-toggle:hover{transform:rotate(-12deg)}
.theme-toggle svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .ico-moon{display:none}
[data-theme="dark"] .theme-toggle .ico-moon{display:block}
[data-theme="dark"] .theme-toggle .ico-sun{display:none}
.head-cta{display:inline-flex;align-items:center;height:38px;padding:0 20px;border-radius:999px;background:var(--btn-bg);color:var(--btn-fg);font-size:13px;letter-spacing:.1em;transition:opacity .3s,transform .3s,background .4s,color .4s}
.head-cta:hover{opacity:.85;transform:translateY(-1px)}
.burger{display:none;width:40px;height:40px;position:relative;color:inherit}
.burger i{position:absolute;left:9px;right:9px;height:1.5px;background:currentColor;transition:transform .4s cubic-bezier(.16,1,.3,1)}
.burger i:nth-child(1){top:16px}
.burger i:nth-child(2){top:24px}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

.mobile-nav{position:fixed;inset:0;z-index:90;background:var(--bg);display:flex;flex-direction:column;justify-content:center;gap:2px;padding:0 clamp(20px,7vw,40px);opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s}
.mobile-nav.is-open{opacity:1;visibility:visible}
.mobile-nav a{font-family:var(--serif);font-size:clamp(26px,8vw,36px);padding:14px 0;border-bottom:1px solid var(--line-2)}

/* ---------------- 文字 ---------------- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.26em;color:var(--gold-2);margin-bottom:22px}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.8}
.h2{font-family:var(--serif);font-weight:600;font-size:clamp(30px,4.2vw,56px);line-height:1.18;letter-spacing:.005em}
.lead{font-family:var(--serif);font-weight:400;font-size:clamp(18px,1.85vw,24px);line-height:1.78;color:var(--ink)}
.tiny{font-size:11.5px;letter-spacing:.05em;color:var(--muted-2);line-height:1.9}

.h2--mask .line{display:block;overflow:hidden}
.h2--mask .line > span{display:block;transform:translateY(112%);transition:transform 1.15s cubic-bezier(.16,1,.3,1)}
.h2--mask .line:nth-child(2) > span{transition-delay:.1s}
.h2--mask .line:nth-child(3) > span{transition-delay:.2s}
.h2--mask.is-in .line > span{transform:none}

.rise{opacity:0;transform:translateY(24px);transition:opacity 1s cubic-bezier(.16,1,.3,1),transform 1s cubic-bezier(.16,1,.3,1);transition-delay:var(--d,0s)}
.rise.is-in{opacity:1;transform:none}

/* ---------------- 首屏 ---------------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;color:#F4EFE6}
.hero__media{position:absolute;inset:0}
.hero__media img,.hero__video{width:100%;height:100%;object-fit:cover;object-position:center 45%;transform:scale(1.03);animation:heroIn 2.4s cubic-bezier(.16,1,.3,1) both}
.hero__video{position:absolute;inset:0}
@keyframes heroIn{from{transform:scale(1.1);opacity:.4}to{transform:scale(1.03);opacity:1}}
.hero__scrim{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(6,10,14,.62) 0%,rgba(6,10,14,.12) 32%,rgba(6,10,14,.55) 62%,rgba(5,8,11,.94) 100%),
  linear-gradient(90deg,rgba(5,9,13,.86) 0%,rgba(5,9,13,.42) 42%,rgba(5,9,13,.02) 78%,transparent 100%)}
.hero__inner{position:relative;z-index:2;padding-bottom:clamp(36px,6vh,64px)}
.hero__eyebrow{font-size:11.5px;letter-spacing:.3em;color:rgba(244,239,230,.72);margin-bottom:26px;display:flex;align-items:center;gap:12px}
.hero__eyebrow::before{content:"";width:30px;height:1px;background:var(--gold-bright)}
.hero__title-row{display:flex;align-items:flex-end;gap:clamp(14px,2vw,26px)}
.hero__title{font-family:var(--brush);font-weight:400;font-size:clamp(52px,9.4vw,136px);line-height:1.06;letter-spacing:.03em;margin-left:-.06em}
.hero__seal{
  flex:0 0 auto;width:clamp(54px,5.2vw,72px);height:auto;display:block;
  align-self:flex-end;margin-bottom:.16em;
}
.hero__side{
  position:absolute;right:calc(clamp(20px,4.5vw,72px) + 2px);top:96px;z-index:3;
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--brush);font-size:clamp(13px,1.2vw,16px);letter-spacing:.32em;
  color:rgba(244,239,230,.42);
}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line > span{display:block;transform:translateY(112%);transition:transform 1.3s cubic-bezier(.16,1,.3,1)}
.hero__title .line:nth-child(2) > span{transition-delay:.12s}
body.is-ready .hero__title .line > span{transform:none}
.hero__title em{font-style:normal;color:var(--gold-bright)}
.hero__sub{margin-top:26px;font-size:clamp(14.5px,1.1vw,16.5px);line-height:2;color:rgba(244,239,230,.82);max-width:42em}
.hero__cta{display:flex;align-items:center;gap:26px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:999px;background:var(--btn-bg);color:var(--btn-fg);font-size:14px;letter-spacing:.08em;transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s,opacity .3s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--light{background:#F4EFE6;color:#15181A}
.link-arrow{font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:gap .3s,opacity .3s}
.link-arrow--light{color:rgba(244,239,230,.88)}
.link-arrow:hover{gap:12px;opacity:.88}

.hero__strip{position:relative;z-index:2;border-top:1px solid rgba(244,239,230,.18);background:rgba(6,10,14,.28);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.hero__strip-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.hero__strip-inner > div{padding:20px 0;border-right:1px solid rgba(244,239,230,.14)}
.hero__strip-inner > div:last-child{border-right:0}
.hero__strip-inner > div + div{padding-left:clamp(16px,2.4vw,32px)}
.hero__strip b{display:block;font-family:var(--serif);font-size:clamp(15px,1.4vw,19px);font-weight:600;letter-spacing:.02em;color:#F4EFE6}
.hero__strip span{display:block;margin-top:4px;font-size:11px;letter-spacing:.1em;color:rgba(244,239,230,.6)}
.hero__scroll{display:none}
.hero__scroll i{display:block;width:1px;height:34px;background:linear-gradient(180deg,rgba(244,239,230,.7),transparent);animation:cue 2.6s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.2;transform:scaleY(.5);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}

/* ---------------- 段落 ---------------- */
.sec{position:relative;padding-block:clamp(76px,10vw,148px)}
.sec--surface{
  background:linear-gradient(180deg,transparent 0%,var(--surface) 16%,var(--surface) 84%,transparent 100%);
}
.sec__head{margin-bottom:clamp(40px,5.5vw,72px)}
.sec__head--split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.78fr);gap:clamp(24px,5vw,72px);align-items:end}
.sec__intro{font-size:14.5px;line-height:2;color:var(--muted);max-width:34em}

/* ---------------- 关于 ---------------- */
.about__grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(32px,6vw,96px);align-items:start}
.about__text p{font-size:15px;line-height:2.05;color:var(--ink-2);max-width:34em}
.about__text p + p{margin-top:18px}
.about__text .lead{color:var(--ink);margin-bottom:26px}

.timeline{position:relative;border-left:1px solid var(--line);padding-left:26px}
.timeline li{position:relative;padding:0 0 22px;display:grid;grid-template-columns:5.6em 1fr;gap:10px;align-items:baseline}
.timeline li:last-child{padding-bottom:0}
.tl__dot{position:absolute;left:-29.5px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--bg);border:1px solid var(--gold-2)}
.timeline li:first-child .tl__dot,.timeline li:last-child .tl__dot{background:var(--gold-2)}
.timeline b{font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--ink)}
.timeline p{font-size:13px;color:var(--muted);line-height:1.7}

.licence{grid-auto-flow:row;margin-top:clamp(44px,6vw,72px);padding-top:22px;border-top:1px solid var(--line-2);display:grid;grid-template-columns:64px 1fr;gap:8px 26px}
.licence span{font-size:10.5px;letter-spacing:.24em;color:var(--gold-2);padding-top:3px}
.licence p{font-size:12px;color:var(--muted-2);letter-spacing:.04em;line-height:1.9}

/* ---------------- 业务板块 ---------------- */
.biz{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,28px)}
.biz__card{
  position:relative;padding:clamp(22px,2.2vw,32px);border:1px solid var(--line-2);border-radius:16px;
  background:color-mix(in srgb,var(--bg) 55%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;min-height:280px;
  transition:transform .6s cubic-bezier(.16,1,.3,1),border-color .5s,box-shadow .5s,background .5s;
}
.biz__card:hover{transform:translateY(-6px);border-color:var(--line);box-shadow:var(--shadow-sm)}
.biz__no{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.12em;color:var(--gold-2)}
.biz__card h3{font-family:var(--serif);font-size:clamp(20px,1.9vw,25px);letter-spacing:.04em;margin-top:14px}
.biz__card > p{margin-top:12px;font-size:13.5px;line-height:1.92;color:var(--ink-2)}
.biz__card ul{margin-top:auto;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px}
.biz__card li{font-size:10.5px;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line-2);border-radius:999px;padding:4px 10px}

/* ---------------- 制作体系 ---------------- */
.pipe{position:relative;margin:clamp(26px,3.6vw,40px) 0 0;height:26px}
.pipe__rail{position:absolute;left:0;right:0;top:12px;height:1px;background:var(--line)}
.pipe__fill{display:block;height:100%;width:0;background:var(--gold-2);transition:width .2s linear}
.pipe__nodes{position:absolute;inset:0;display:flex;justify-content:space-between}
.pipe__nodes span{width:9px;height:9px;border-radius:50%;background:var(--bg);border:1px solid var(--line);margin-top:8px;transition:background .3s,border-color .3s}
.pipe__nodes span.is-on{background:var(--gold-2);border-color:var(--gold-2)}

.steps{margin-top:clamp(18px,3vw,30px);border-top:1px solid var(--line-2)}
.step{display:grid;grid-template-columns:64px minmax(0,1fr) 110px;gap:clamp(14px,3vw,40px);align-items:start;padding:clamp(22px,3.2vw,36px) 0;border-bottom:1px solid var(--line-2);transition:padding-left .5s cubic-bezier(.16,1,.3,1)}
.step:hover{padding-left:10px}
.step__no{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:12px;letter-spacing:.1em;color:var(--gold-2);padding-top:7px}
.step__body h3{font-family:var(--serif);font-size:clamp(20px,2vw,26px);letter-spacing:.03em}
.step__body p{margin-top:10px;font-size:14px;line-height:1.95;color:var(--ink-2);max-width:54ch}
.step__tag{justify-self:end;font-size:11px;letter-spacing:.14em;color:var(--muted);border:1px solid var(--line);padding:4px 10px;border-radius:999px;margin-top:6px;white-space:nowrap}

.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(40px,5.5vw,68px);border-top:1px solid var(--line)}
.stats > div{padding:26px 24px 4px 0;border-right:1px solid var(--line-2)}
.stats > div:last-child{border-right:0}
.stats > div + div{padding-left:clamp(16px,2.4vw,32px)}
.stats b{font-family:var(--serif);font-size:clamp(36px,4.2vw,56px);font-weight:600;line-height:1;letter-spacing:-.01em}
.stats span{font-size:13px;color:var(--ink-2);margin-left:6px}
.stats i{display:block;font-style:normal;font-size:12px;color:var(--muted-2);margin-top:8px}

/* ---------------- 作品：放映厅色带 + 横向画廊 ---------------- */
.works{
  position:relative;padding-block:clamp(76px,10vw,140px) 0;overflow:hidden;
  background:linear-gradient(180deg,transparent 0%,var(--wash) 14%,var(--wash) 86%,transparent 100%);
}
.works::before{
  content:"";position:absolute;inset:-6% 0;pointer-events:none;z-index:0;
  background:
    radial-gradient(52% 44% at 26% 34%,var(--wash-ink),transparent 72%),
    radial-gradient(46% 38% at 76% 62%,var(--wash-ink),transparent 74%);
  filter:blur(46px);
}
.works > *{position:relative;z-index:1}
.works__head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:clamp(24px,5vw,72px);align-items:end;margin-bottom:clamp(34px,4.5vw,56px)}
.works .sec__intro{color:#A9AFA9}
.banner{position:relative;margin:0 0 clamp(8px,1.4vw,16px);padding-inline:clamp(20px,4.5vw,72px)}
.banner__stage{position:relative;aspect-ratio:16/9;max-height:min(70vh,640px);margin-inline:auto;border-radius:18px;overflow:hidden;background:#0B1116;box-shadow:0 50px 100px -60px rgba(20,24,26,.8)}
.banner__slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .85s cubic-bezier(.16,1,.3,1);pointer-events:none}
.banner__slide.is-active{opacity:1;pointer-events:auto}
.banner__slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s linear}
.banner__slide.is-active img{transform:scale(1)}
.banner__slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 52%,rgba(4,7,10,.82));pointer-events:none}
.banner__slide figcaption{position:absolute;left:clamp(18px,2.4vw,30px);right:clamp(18px,2.4vw,30px);bottom:clamp(16px,2.2vw,26px);z-index:1;display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.banner__slide figcaption b{font-family:var(--brush);font-size:clamp(20px,2.4vw,30px);font-weight:400;letter-spacing:.1em;color:#F6F1E8}
.banner__slide figcaption span{font-size:10.5px;letter-spacing:.18em;color:rgba(246,241,232,.6)}

.banner__btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:clamp(40px,4vw,52px);height:clamp(40px,4vw,52px);border-radius:50%;
  display:grid;place-items:center;color:#F6F1E8;
  background:rgba(10,14,18,.42);border:1px solid rgba(246,241,232,.3);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:background .3s,transform .3s,border-color .3s;
}
.banner__btn:hover{background:rgba(10,14,18,.7);border-color:rgba(246,241,232,.6);transform:translateY(-50%) scale(1.05)}
.banner__btn svg{width:20px;height:20px}
.banner__btn--prev{left:18px}
.banner__btn--next{right:18px}

.banner__ui{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 4px 0}
.banner__dots{display:flex;gap:10px}
.banner__dots button{width:26px;height:3px;border-radius:2px;background:var(--line);transition:background .3s,width .3s}
.banner__dots button.is-active{background:var(--gold-2);width:44px}
.banner__count{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.14em;color:var(--muted)}
.banner__count b{color:var(--ink);font-weight:400}

.slate{border-top:1px solid var(--line);margin-top:clamp(56px,8vw,96px)}
.slate__row{display:grid;grid-template-columns:52px minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(16px,3vw,40px);align-items:baseline;padding:clamp(24px,3.2vw,38px) 0;border-bottom:1px solid var(--line-2);transition:padding-left .5s cubic-bezier(.16,1,.3,1),background .4s}
.slate__row:hover{padding-left:10px;background:color-mix(in srgb,var(--ink) 3%,transparent)}
.slate__idx{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:11px;color:var(--gold-2);letter-spacing:.1em}
.slate__title{font-family:var(--serif);font-size:clamp(24px,2.8vw,36px);letter-spacing:.08em;font-weight:600;color:var(--ink)}
.slate__meta{margin-top:8px;font-size:11.5px;letter-spacing:.12em;color:var(--muted)}
.slate__desc{font-size:14px;line-height:1.95;color:var(--ink-2);max-width:42ch}
.works__indev{margin:clamp(26px,4vw,40px) 0 clamp(56px,8vw,96px);font-size:13px;line-height:1.9;color:var(--muted)}
.works .wrap{padding-bottom:0}

/* ---------------- 出海 ---------------- */
.global__grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(32px,5vw,80px);align-items:start}
.global__left .h2{margin-bottom:clamp(24px,3vw,36px)}
.global__left p{font-size:15px;line-height:2.05;color:var(--ink-2);max-width:36em}
.global__left p + p{margin-top:16px}
.global__left .lead{color:var(--ink);margin-bottom:20px}
.route{margin:clamp(8px,2vw,24px) 0 0}
.route svg{width:100%;height:auto;overflow:visible}
.route__grid path{stroke:var(--line-2);stroke-width:1;fill:none}
.arc{fill:none;stroke:var(--gold-2);stroke-width:1;opacity:.35;stroke-dasharray:4 5}
.arc--main{opacity:1;stroke-dasharray:none;stroke-width:1.4}
.route__dots .dot{fill:var(--bg);stroke:var(--gold-2);stroke-width:1.2}
.route__dots .dot--home,.route__dots .dot--main{fill:var(--gold-2);stroke:none}
.lb{font-size:12px;fill:var(--ink);letter-spacing:.08em}
.lb--sub{font-size:10.5px;fill:var(--muted)}
.lb--main{font-size:14px;fill:var(--ink)}
.route figcaption{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.8}

.kit{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,44px);margin-top:clamp(44px,6vw,78px);border-top:1px solid var(--line);padding-top:clamp(26px,3.4vw,42px)}
.kit__item span{font-size:10.5px;letter-spacing:.22em;color:var(--gold-2)}
.kit__item h3{font-family:var(--serif);font-size:21px;margin-top:12px;letter-spacing:.05em}
.kit__item p{margin-top:10px;font-size:13.5px;line-height:1.95;color:var(--muted)}

/* ---------------- 创始人 ---------------- */
.founder__grid{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(28px,5vw,80px);align-items:start}
.founder__name{font-family:var(--serif);font-size:clamp(42px,5.6vw,78px);letter-spacing:.1em;line-height:1;margin-top:6px}
.founder__role{margin-top:14px;font-size:11.5px;letter-spacing:.24em;color:var(--gold-2)}
.founder__right p{font-size:15px;line-height:2.05;color:var(--ink-2);max-width:36em}
.founder__right p + p{margin-top:16px}
.founder__right .lead{color:var(--ink);margin-bottom:22px}
.quote{margin:clamp(48px,6vw,80px) 0 0;padding:clamp(28px,3.4vw,44px) 0 0;border-top:1px solid var(--line)}
.quote p{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.5vw,48px);line-height:1.55;color:var(--gold-2);letter-spacing:.01em;max-width:26em}

/* ---------------- 合作 ---------------- */
.contact__grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(32px,5vw,80px);align-items:start}
.ways{border-top:1px solid var(--line)}
.way{display:grid;grid-template-columns:44px minmax(0,.62fr) minmax(0,1fr);gap:clamp(14px,2.6vw,32px);align-items:baseline;padding:clamp(18px,2.4vw,26px) 0;border-bottom:1px solid var(--line-2);transition:padding-left .4s,background .4s}
.way:hover{padding-left:8px;background:color-mix(in srgb,var(--ink) 3%,transparent)}
.way > span{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:11px;color:var(--gold-2)}
.way h3{font-family:var(--serif);font-size:clamp(17px,1.75vw,21px);letter-spacing:.05em;white-space:nowrap}
.way p{font-size:13px;line-height:1.9;color:var(--muted)}
.clients{margin-top:clamp(34px,4.5vw,56px);padding-top:22px;border-top:1px solid var(--line)}
.clients__label{font-size:11px;letter-spacing:.24em;color:var(--muted-2);margin-bottom:16px}
.clients ul{display:flex;flex-wrap:wrap;gap:14px clamp(20px,2.6vw,38px);align-items:center}
.clients li{font-family:var(--serif);font-size:clamp(17px,1.85vw,23px);letter-spacing:.1em;color:var(--ink);opacity:.75;transition:color .3s,opacity .3s}
.clients li:hover{color:var(--gold-2);opacity:1}
.clients__logos li::after{content:"";display:block;width:100%;height:1px;margin-top:8px;background:currentColor;opacity:.18;transform:scaleX(0);transform-origin:0 50%;transition:transform .45s cubic-bezier(.16,1,.3,1)}
.clients__logos li:hover::after{transform:scaleX(1)}
.talk{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2);font-size:12.5px;color:var(--muted)}
.talk span{color:var(--gold-2);letter-spacing:.14em;margin-right:12px;font-size:11px}

.contact__right{display:flex;flex-direction:column;gap:clamp(24px,3vw,34px)}
.qr-card{display:flex;align-items:center;gap:18px;padding:14px;background:color-mix(in srgb,var(--bg) 80%,transparent);border:1px solid var(--line);border-radius:16px;width:fit-content;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.qr-card img{width:112px;height:112px;border-radius:8px;flex:0 0 auto;background:#fff}
.qr-card__text{display:flex;flex-direction:column;gap:4px;padding-right:10px}
.qr-card__text span{font-size:10px;letter-spacing:.22em;color:var(--gold-2)}
.qr-card__text b{font-family:var(--serif);font-size:18px;letter-spacing:.1em;color:var(--ink)}
.qr-card__text p{font-size:11.5px;line-height:1.7;color:var(--muted);max-width:15em}
.contact__right address{font-style:normal;font-size:14px;line-height:2;color:var(--ink-2);padding-bottom:22px;border-bottom:1px solid var(--line-2)}
.contact__meta > div{display:flex;gap:18px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.contact__meta dt{flex:0 0 6.2em;white-space:nowrap;font-size:11.5px;letter-spacing:.1em;color:var(--gold-2)}
.contact__meta dd{margin:0;font-size:13px;color:var(--muted)}

/* ---------------- 页脚 ---------------- */
.site-foot{padding:clamp(56px,7vw,90px) 0 32px;border-top:1px solid var(--line-2);background:color-mix(in srgb,var(--bg) 70%,#000 4%)}
.foot__top{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;padding-bottom:clamp(26px,3.6vw,42px);border-bottom:1px solid var(--line-2)}
.foot-mark{width:150px;height:auto}
.foot__slogan{font-family:var(--serif);font-size:clamp(15px,1.4vw,18px);color:var(--ink-2);letter-spacing:.06em}
.foot__rows{display:flex;flex-wrap:wrap;gap:8px 40px;margin-top:clamp(22px,3vw,34px)}
.foot__rows p{font-size:12px;color:var(--muted-2);letter-spacing:.04em}
.foot__bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:clamp(24px,4vw,40px);flex-wrap:wrap}
.foot__bottom p{font-size:11px;color:var(--muted-2)}
.foot__theme{font-size:11px;letter-spacing:.16em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .3s}
.foot__theme:hover{color:var(--gold-2)}

/* ---------------- 响应式 ---------------- */
@media (max-width:1100px){
  .nav{gap:18px}
  .biz{grid-template-columns:repeat(2,1fr)}
  .sec__head--split{grid-template-columns:1fr;align-items:start}
}
@media (max-width:980px){
  .nav{display:none}
  .head-cta{display:none}
  .burger{display:block}
  .about__grid,.global__grid,.founder__grid,.contact__grid{grid-template-columns:1fr;gap:clamp(28px,5vw,48px)}
  .works__head{grid-template-columns:1fr}
  .banner__stage{aspect-ratio:4/3;max-height:60vh}
  .banner__btn--prev{left:8px}
  .banner__btn--next{right:8px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats > div:nth-child(2){border-right:0}
  .stats > div:nth-child(1),.stats > div:nth-child(2){border-bottom:1px solid var(--line-2)}
  .stats > div:nth-child(3){padding-left:0}
  .slate__row{grid-template-columns:40px minmax(0,1fr);row-gap:10px}
  .slate__desc{grid-column:2}
  .step{grid-template-columns:44px minmax(0,1fr)}
  .step__tag{display:none}
  .way{grid-template-columns:36px minmax(0,1fr);row-gap:8px}
  .way p{grid-column:2}
  .kit{grid-template-columns:1fr;gap:24px}
  .hero__strip-inner{grid-template-columns:repeat(2,1fr)}
  .hero__strip-inner > div:nth-child(2){border-right:0}
  .hero__strip-inner > div:nth-child(1),.hero__strip-inner > div:nth-child(2){border-bottom:1px solid rgba(244,239,230,.14)}
  .hero__strip-inner > div:nth-child(3){padding-left:0}

}
@media (max-width:760px){
  body{font-size:15px}
  .hero{padding-top:96px}
  .hero__title{font-size:clamp(38px,11.2vw,56px)}
  .hero__seal{width:50px;margin-bottom:.1em}
  .hero__side{display:none}
  .hero__sub{font-size:14px;line-height:1.95}
  .hero__scrim{background:linear-gradient(180deg,rgba(6,10,14,.5) 0%,rgba(6,10,14,.3) 30%,rgba(6,10,14,.86) 72%,rgba(5,8,11,.97) 100%)}
  .hero__scroll{display:none}
  .hero__inner{padding-bottom:28px}
  .biz{grid-template-columns:1fr}
  .biz__card{min-height:0}
  .stats{grid-template-columns:1fr}
  .stats > div{border-right:0;border-bottom:1px solid var(--line-2);padding:18px 0}
  .stats > div:last-child{border-bottom:0}
  .qr-card{width:100%}
  .qr-card img{width:96px;height:96px}
  .founder__name{font-size:clamp(38px,11vw,54px)}
  .licence{grid-auto-flow:row;grid-template-columns:1fr;gap:6px}
  .foot__top{align-items:flex-start}
  .hero__strip b{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .rise{opacity:1;transform:none}
  .hero__title .line > span{transform:none}
  .blob{animation:none}
}