/* =========================================================================
   海锦化纤绳网 · FIELD / LIGHT
   艺术指导：深墨绿、日光黄、衬线大字、全幅影像、无卡片化容器
   ========================================================================= */

@font-face{
  font-family:'Noto Serif SC';
  src:url('assets/fonts/NotoSerifSC-400-subset.woff2') format('woff2');
  font-style:normal;
  font-weight:400;
  font-display:swap;
}
@font-face{
  font-family:'Noto Serif SC';
  src:url('assets/fonts/NotoSerifSC-600-subset.woff2') format('woff2');
  font-style:normal;
  font-weight:600;
  font-display:swap;
}
@font-face{font-family:'Manrope';src:url('assets/fonts/Manrope-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Manrope';src:url('assets/fonts/Manrope-500.ttf') format('truetype');font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:'Manrope';src:url('assets/fonts/Manrope-600.ttf') format('truetype');font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:'Manrope';src:url('assets/fonts/Manrope-700.ttf') format('truetype');font-style:normal;font-weight:700;font-display:swap}

:root{
  --ink:#08110d;
  --ink-2:#14221a;
  --ink-3:#4c5b51;
  --paper:#f4f0e6;
  --paper-2:#e7e1d4;
  --lime:#d8ff5f;
  --lime-2:#bde63d;
  --orange:#ff7a3d;
  --line:rgba(8,17,13,.17);
  --line-light:rgba(244,240,230,.18);
  --white-70:rgba(244,240,230,.72);
  --white-45:rgba(244,240,230,.46);
  --display:'Noto Serif SC',serif;
  --sans:'Manrope','PingFang SC','Microsoft YaHei',sans-serif;
  --nav-h:76px;
  --gutter:clamp(20px,5vw,76px);
  --maxw:1440px;
  --ease:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
body.menu-open{overflow:hidden}
img,video{display:block;max-width:100%}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--lime);color:var(--ink);padding:12px 18px}
.skip:focus{left:12px;top:12px}
.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.mono{
  font-family:var(--sans);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.15em;
  line-height:1.4;
  text-transform:uppercase;
}
.display{font-family:var(--display)}

/* ============================================================ 导航 ===== */
.scroll-progress{
  position:fixed;top:0;left:0;z-index:120;
  width:100%;height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  pointer-events:none;
}
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  color:var(--paper);
  transition:background .3s ease,border-color .3s ease,color .3s ease;
  border-bottom:1px solid transparent;
}
.site-nav.is-stuck{
  background:rgba(8,17,13,.94);
  border-bottom-color:var(--line-light);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav-inner{
  width:100%;max-width:var(--maxw);height:100%;margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;align-items:center;gap:clamp(20px,3vw,48px);
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none;padding-block:4px}
.brand__glyph{width:28px;height:28px;color:var(--lime);flex:none}
.brand__glyph svg{display:block;width:100%;height:100%}
.brand__word{font-family:var(--display);font-size:1.35rem;font-weight:600;letter-spacing:.08em;line-height:1}
.brand__rule{width:1px;height:16px;background:var(--line-light)}
.brand__sub{font-size:.62rem;letter-spacing:.18em;color:var(--white-45)}
.nav-links{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px);margin-left:auto}
.nav-links a{position:relative;padding-block:7px;font-size:.82rem;color:var(--white-70);transition:color .2s ease}
.nav-links a::after{content:'';position:absolute;left:0;right:0;bottom:1px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-links a:hover{color:var(--paper)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:18px}
.lang{display:inline-flex;border:1px solid var(--line-light);padding:2px}
.lang__btn{padding:5px 9px;font-size:.62rem;font-weight:600;letter-spacing:.1em;color:var(--white-45)}
.lang__btn[aria-pressed="true"]{background:var(--lime);color:var(--ink)}
.lang__sep{width:1px;background:var(--line-light)}
.nav-tel{font-size:.8rem;color:var(--white-70);font-variant-numeric:tabular-nums}
.nav-tel:hover{color:var(--lime)}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line-light);position:relative;margin-left:auto}
.nav-burger span{position:absolute;left:12px;right:12px;height:1px;background:var(--paper);transition:transform .3s ease,opacity .2s ease}
.nav-burger span:first-child{top:18px}
.nav-burger span:last-child{top:25px}
.nav-burger[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:99;display:none;
  background:var(--ink);color:var(--paper);
  padding:calc(var(--nav-h) + 36px) var(--gutter) 40px;
  overflow-y:auto;
}
.drawer.is-open{display:flex;flex-direction:column}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{font-family:var(--display);font-size:clamp(2.2rem,9vw,4rem);line-height:1.2;padding:12px 0;border-bottom:1px solid var(--line-light)}
.drawer__foot{margin-top:auto;padding-top:40px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.drawer .lang{border-color:var(--line-light)}

/* ============================================================ 通用按钮 = */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.65em;
  min-height:48px;padding:13px 24px;border:1px solid var(--ink);
  font-size:.82rem;font-weight:700;letter-spacing:.03em;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--paper);border-color:var(--paper)}
.btn--outline{background:transparent;color:var(--paper);border-color:var(--line-light)}
.btn--outline:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn--dark{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn--dark:hover{background:var(--ink-2);border-color:var(--ink-2)}

/* ============================================================ 首屏 ===== */
.hero{
  position:relative;min-height:100svh;display:grid;
  grid-template-columns:minmax(0,1.16fr) minmax(380px,.84fr);
  background:#0c1912;color:var(--paper);overflow:hidden;
  padding-top:var(--nav-h);
}
.hero__copy{
  position:relative;z-index:3;display:flex;flex-direction:column;justify-content:flex-end;
  padding:calc(var(--nav-h) + 42px) var(--gutter) clamp(46px,6vw,86px);
  max-width:calc(var(--maxw) * .64);
}
.hero h1{
  max-width:8.1em;
  font-family:var(--display);font-size:clamp(3.2rem,5.7vw,6rem);
  font-weight:600;line-height:.98;letter-spacing:-.035em;text-wrap:balance;
}
.hero h1 span{display:block}
.hero h1 .accent{color:var(--lime)}
.hero__lede{max-width:31rem;margin-top:clamp(24px,3vw,36px);color:rgba(244,240,230,.82);font-size:clamp(.95rem,1.1vw,1.05rem);line-height:1.85}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(28px,3.4vw,42px)}
.hero__visual{position:relative;min-height:calc(100svh - var(--nav-h));overflow:hidden;background:#0c1812}
.hero__video,.hero__poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__video{filter:saturate(.95) contrast(1.03) brightness(.93)}
.hero__poster{display:none;filter:saturate(.95) contrast(1.03) brightness(.93)}
.hero__visual::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(8,17,13,.78) 0%,rgba(8,17,13,.38) 30%,rgba(8,17,13,.06) 64%,rgba(8,17,13,.22) 100%),
             linear-gradient(0deg,rgba(8,17,13,.7) 0%,transparent 38%);
}
.hero__sun{
  position:absolute;z-index:2;width:min(30vw,440px);aspect-ratio:1;border-radius:50%;
  top:13%;right:8%;
  background:radial-gradient(circle at 38% 35%,rgba(255,246,190,.92) 0%,rgba(255,211,90,.52) 24%,rgba(216,255,95,.12) 58%,transparent 74%);
  filter:blur(.6px);mix-blend-mode:screen;pointer-events:none;
  animation:sunPulse 9s ease-in-out infinite alternate;
}
.hero__vertical{
  position:absolute;z-index:4;right:clamp(18px,2.4vw,34px);top:calc(var(--nav-h) + 52px);
  writing-mode:vertical-rl;text-orientation:mixed;
  color:var(--white-45);font-size:.66rem;letter-spacing:.18em;
}
.hero__scroll{
  position:absolute;z-index:4;left:var(--gutter);bottom:24px;
  display:flex;align-items:center;gap:12px;color:var(--white-45);font-size:.62rem;letter-spacing:.14em;
}
.hero__scroll::before{content:'';width:52px;height:1px;background:var(--lime)}
.hero__copy > *{animation:heroIn .95s var(--ease) both}
.hero h1{animation-delay:.08s}
.hero__lede{animation-delay:.18s}
.hero__actions{animation-delay:.27s}
.hero__visual{animation:visualIn 1.4s var(--ease) both}
@keyframes heroIn{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes visualIn{from{opacity:0;transform:scale(1.03)}to{opacity:1;transform:none}}
@keyframes sunPulse{from{transform:scale(.96);opacity:.72}to{transform:scale(1.04);opacity:1}}

/* ============================================================ 数据带 === */
.stats{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:clamp(28px,3.2vw,42px) clamp(16px,2.4vw,30px);border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat__label{display:block;color:var(--ink-3);font-size:.68rem;font-weight:600;letter-spacing:.12em}
.stat__value{display:block;margin-top:8px;font-size:clamp(1.8rem,2.7vw,2.55rem);font-weight:700;line-height:1.05;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.stat__note{display:block;margin-top:8px;color:var(--ink-3);font-size:.76rem;line-height:1.5}
.ticker{background:var(--ink);color:var(--lime);overflow:hidden;border-bottom:1px solid var(--line-light)}
.ticker__track{display:flex;width:max-content;animation:marquee 28s linear infinite}
.ticker__group{display:flex;align-items:center;gap:32px;padding:13px 16px;white-space:nowrap;font-size:.68rem;font-weight:600;letter-spacing:.15em}
.ticker__dot{width:5px;height:5px;background:var(--lime);transform:rotate(45deg);flex:none}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============================================================ 区块通用 = */
.section{padding-block:clamp(84px,10vw,158px);scroll-margin-top:calc(var(--nav-h) + 12px)}
.section--dark{background:var(--ink);color:var(--paper)}
.section--paper{background:var(--paper);color:var(--ink)}
.section-head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:clamp(28px,5vw,80px);align-items:end;margin-bottom:clamp(44px,6vw,82px)}
.section-head h2{font-family:var(--display);font-size:clamp(2.6rem,5vw,5.35rem);font-weight:600;line-height:.98;letter-spacing:-.04em;text-wrap:balance}
.section-head p{max-width:35rem;color:var(--ink-3);line-height:1.85;text-wrap:pretty}
.section--dark .section-head p{color:var(--white-45)}
.section-head--single{grid-template-columns:1fr}
.section-head--single h2{max-width:8.5em}
.rule{height:1px;background:var(--line);border:0;margin:0}
.section--dark .rule{background:var(--line-light)}

/* ============================================================ 产品图鉴 = */
.atlas{display:grid;grid-template-columns:.86fr 1.14fr;border-top:1px solid var(--line);min-height:760px}
.atlas__tabs{display:flex;flex-direction:column;border-right:1px solid var(--line)}
.product-tab{
  position:relative;display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:16px;
  min-height:25%;padding:24px 22px;border-bottom:1px solid var(--line);text-align:left;
  transition:background .28s ease,color .28s ease,padding-left .28s var(--ease);
}
.product-tab:last-child{border-bottom:0}
.product-tab:hover{background:var(--paper-2);padding-left:30px}
.product-tab[aria-selected="true"]{background:var(--lime);padding-left:30px}
.product-tab__num{font-size:.72rem;font-weight:700;letter-spacing:.12em;color:var(--ink-3)}
.product-tab[aria-selected="true"] .product-tab__num{color:var(--ink)}
.product-tab__name{font-family:var(--display);font-size:clamp(1.7rem,2.6vw,2.55rem);font-weight:600;line-height:1}
.product-tab__tag{font-size:.62rem;font-weight:600;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}
.product-tab[aria-selected="true"] .product-tab__tag{color:var(--ink)}
.atlas__stage{position:relative;min-height:760px;overflow:hidden;background:var(--ink)}
.product-panel{position:absolute;inset:0;opacity:0;visibility:hidden;transform:scale(1.035);transition:opacity .55s ease,transform .9s var(--ease),visibility 0s linear .55s}
.product-panel.is-active{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.product-panel__media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.08) brightness(.74)}
.product-panel__media::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,17,13,.94) 0%,rgba(8,17,13,.2) 58%,rgba(8,17,13,.05) 100%)}
.product-panel__content{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:clamp(28px,4.4vw,58px);color:var(--paper)}
.product-panel__tag{display:block;color:var(--lime);font-size:.64rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.product-panel h3{margin-top:8px;font-family:var(--display);font-size:clamp(2.8rem,4.6vw,4.7rem);font-weight:600;line-height:.95;letter-spacing:-.04em}
.product-panel p{max-width:34rem;margin-top:18px;color:var(--white-70);line-height:1.8}
.product-specs{display:grid;grid-template-columns:repeat(3,1fr);margin-top:26px;border-top:1px solid var(--line-light)}
.product-specs > div{padding:14px 16px 0 0;border-right:1px solid var(--line-light)}
.product-specs > div:last-child{border-right:0;padding-right:0}
.product-specs dt{color:var(--white-45);font-size:.68rem;font-weight:600;letter-spacing:.1em}
.product-specs dd{margin-top:4px;color:var(--paper);font-size:.95rem;font-weight:600;font-variant-numeric:tabular-nums}

/* ============================================================ 工厂 ===== */
.factory{position:relative;min-height:94svh;overflow:hidden;background:var(--ink);color:var(--paper);display:flex;align-items:flex-end}
.factory__media{position:absolute;inset:-8% 0;overflow:hidden;will-change:transform}
.factory__media img{width:100%;height:116%;object-fit:cover;filter:grayscale(.34) contrast(1.16) brightness(.45);transform:translate3d(0,0,0)}
.factory__shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,17,13,.97) 0%,rgba(8,17,13,.78) 38%,rgba(8,17,13,.2) 76%,rgba(8,17,13,.48) 100%),linear-gradient(0deg,rgba(8,17,13,.92) 0%,transparent 46%)}
.factory__inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin-inline:auto;padding:clamp(100px,13vw,170px) var(--gutter) clamp(52px,7vw,90px)}
.factory__content{max-width:760px}
.factory h2{font-family:var(--display);font-size:clamp(3rem,6.3vw,6.5rem);font-weight:600;line-height:.94;letter-spacing:-.045em}
.factory__copy{max-width:37rem;margin-top:26px;color:var(--white-70);line-height:1.9}
.factory__metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(38px,5vw,64px);border-top:1px solid var(--line-light);max-width:760px}
.factory__metric{padding:20px 24px 0 0;border-right:1px solid var(--line-light)}
.factory__metric:last-child{border-right:0}
.factory__metric strong{display:block;font-size:1.45rem;font-weight:700;line-height:1.15}
.factory__metric span{display:block;margin-top:5px;color:var(--white-45);font-size:.74rem;line-height:1.55}
.factory__stamp{
  position:absolute;z-index:3;right:9%;top:17%;width:clamp(132px,14vw,190px);aspect-ratio:1;border:1px solid var(--lime);border-radius:50%;
  display:grid;place-items:center;text-align:center;color:var(--lime);font-size:.65rem;font-weight:700;letter-spacing:.13em;line-height:1.5;
  transform:rotate(8deg);opacity:.86;pointer-events:none;
}
.factory__stamp::before{content:'';position:absolute;inset:9px;border:1px solid rgba(216,255,95,.34);border-radius:50%}

/* ============================================================ 工艺 ===== */
.craft-art{display:grid;grid-template-columns:1.02fr .98fr;min-height:82svh;background:var(--lime);color:var(--ink)}
.craft-art__media{overflow:hidden;background:var(--ink)}
.craft-art__media img{width:100%;height:100%;object-fit:cover;filter:grayscale(.12) contrast(1.2) brightness(.9)}
.craft-art__body{padding:clamp(44px,6vw,92px) var(--gutter);display:flex;flex-direction:column;justify-content:center}
.uv-mark{font-size:clamp(6rem,13vw,12rem);font-weight:700;line-height:.65;letter-spacing:-.08em;opacity:.13}
.craft-art h2{max-width:9.8em;margin-top:clamp(12px,2vw,24px);font-family:var(--display);font-size:clamp(2.7rem,4.8vw,5.2rem);font-weight:600;line-height:.98;letter-spacing:-.04em}
.craft-art p{max-width:35rem;margin-top:22px;color:rgba(8,17,13,.72);line-height:1.9}
.craft-list{margin-top:clamp(30px,4vw,48px);border-top:1px solid rgba(8,17,13,.24)}
.craft-list > div{display:grid;grid-template-columns:7rem 1fr;gap:18px;padding:13px 0;border-bottom:1px solid rgba(8,17,13,.24)}
.craft-list dt{font-size:.72rem;font-weight:700;letter-spacing:.1em}
.craft-list dd{font-size:.86rem;color:rgba(8,17,13,.7);line-height:1.65}

/* ============================================================ 场景 ===== */
.scene-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(420px,47vw);gap:1px;
  overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x mandatory;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  scrollbar-width:none;
}
.scene-rail::-webkit-scrollbar{display:none}
.scene-card{position:relative;min-height:clamp(460px,58vw,650px);overflow:hidden;background:var(--ink);scroll-snap-align:start}
.scene-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.76) contrast(1.08) brightness(.58);transition:transform .8s var(--ease),filter .5s ease}
.scene-card:hover img{transform:scale(1.035);filter:saturate(.9) contrast(1.08) brightness(.66)}
.scene-card__content{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:clamp(26px,3.8vw,52px);color:var(--paper);background:linear-gradient(0deg,rgba(8,17,13,.92),transparent)}
.scene-card__index{color:var(--lime);font-size:.68rem;font-weight:700;letter-spacing:.14em}
.scene-card h3{margin-top:8px;font-family:var(--display);font-size:clamp(2rem,3.6vw,3.5rem);font-weight:600;line-height:1}
.scene-card p{max-width:31rem;margin-top:12px;color:var(--white-70);font-size:.88rem;line-height:1.75}
.rail-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:24px}
.rail-hint{color:var(--ink-3);font-size:.68rem;font-weight:600;letter-spacing:.12em}
.rail-controls{display:flex;gap:8px}
.rail-btn{width:46px;height:46px;border:1px solid var(--line);display:grid;place-items:center;transition:background .2s ease,color .2s ease,border-color .2s ease}
.rail-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.rail-btn svg{width:18px;height:18px}

/* ============================================================ 流程 ===== */
.process-art{background:var(--ink);color:var(--paper);padding-block:clamp(86px,10vw,150px)}
.process-art h2{max-width:9em;font-family:var(--display);font-size:clamp(2.8rem,5.3vw,5.6rem);font-weight:600;line-height:.96;letter-spacing:-.04em}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(44px,6vw,78px);border-top:1px solid var(--line-light)}
.process-step{min-height:330px;padding:24px 24px 36px 0;border-right:1px solid var(--line-light);display:flex;flex-direction:column}
.process-step:last-child{border-right:0}
.process-step__num{font-size:clamp(4.2rem,7vw,6.5rem);font-weight:700;line-height:.9;color:var(--lime);letter-spacing:-.07em}
.process-step h3{margin-top:auto;padding-top:44px;font-size:1rem;font-weight:700;letter-spacing:.01em}
.process-step p{margin-top:12px;color:var(--white-45);font-size:.84rem;line-height:1.75}

/* ============================================================ 询价 ===== */
.quote-art{background:var(--lime);color:var(--ink);padding-block:clamp(84px,10vw,150px)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px);align-items:start}
.quote-copy h2{max-width:7.5em;font-family:var(--display);font-size:clamp(3rem,5.8vw,6rem);font-weight:600;line-height:.94;letter-spacing:-.045em}
.quote-copy > p{max-width:32rem;margin-top:24px;color:rgba(8,17,13,.7);line-height:1.85}
.contact-list{margin-top:clamp(34px,5vw,58px);border-top:1px solid rgba(8,17,13,.28)}
.contact-row{display:grid;grid-template-columns:8rem 1fr;gap:16px;padding:15px 0;border-bottom:1px solid rgba(8,17,13,.28);align-items:baseline}
.contact-row dt{font-size:.68rem;font-weight:700;letter-spacing:.1em;color:rgba(8,17,13,.55)}
.contact-row dd{font-size:.95rem;font-weight:600;font-variant-numeric:tabular-nums}
.contact-row a:hover{text-decoration:underline;text-underline-offset:4px}
.copy{display:inline-block;margin-left:10px;padding:0 0 1px;border-bottom:1px solid rgba(8,17,13,.45);font-size:.7rem;color:rgba(8,17,13,.6)}
.copy:hover{color:var(--ink);border-color:var(--ink)}
.quote-form{background:var(--ink);color:var(--paper);padding:clamp(28px,4.2vw,54px)}
.field{margin-bottom:20px}
.field label{display:block;margin-bottom:8px;font-size:.72rem;font-weight:600;letter-spacing:.08em;color:var(--white-70)}
.field .opt{color:var(--white-45);font-weight:400}
.field input,.field select,.field textarea{
  width:100%;padding:13px 0;background:transparent;color:var(--paper);
  border:0;border-bottom:1px solid var(--line-light);border-radius:0;
  font-size:.92rem;outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(244,240,230,.32);opacity:1}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--lime) 50%),linear-gradient(135deg,var(--lime) 50%,transparent 50%);background-position:calc(100% - 7px) 55%,calc(100% - 2px) 55%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{background:var(--ink);color:var(--paper)}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-bottom-color:var(--white-70)}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--lime);box-shadow:0 1px 0 var(--lime)}
.field__err{display:none;margin-top:7px;font-size:.74rem;color:#ff9c8a}
.field.has-err .field__err{display:block}
.field.has-err input,.field.has-err textarea{border-bottom-color:#ff9c8a}
.quote-form .btn{width:100%;margin-top:8px}
.form__note{margin-top:12px;color:var(--white-45);font-size:.7rem;line-height:1.6}
.form__ok{display:none;margin-top:18px;padding:18px 0 0;border-top:1px solid var(--lime)}
.form__ok.is-on{display:block}
.form__ok strong{display:block;color:var(--lime);font-size:.95rem}
.form__ok p{margin-top:6px;color:var(--white-70);font-size:.8rem;line-height:1.7}

/* ============================================================ 页脚 ===== */
.footer{background:var(--ink);color:var(--paper);padding:clamp(50px,7vw,90px) 0 30px}
.footer__grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:clamp(30px,5vw,80px)}
.footer__wordmark{font-family:var(--display);font-size:clamp(2.8rem,5vw,5rem);line-height:.9;letter-spacing:-.05em;color:var(--lime)}
.footer__brand p{max-width:24rem;margin-top:16px;color:var(--white-45);font-size:.84rem;line-height:1.8}
.footer h4{margin-bottom:14px;color:var(--white-45);font-size:.68rem;font-weight:600;letter-spacing:.14em}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:9px}
.footer li a{color:var(--white-70);font-size:.84rem}
.footer li a:hover{color:var(--lime)}
.footer__base{display:flex;justify-content:space-between;gap:18px;margin-top:clamp(44px,6vw,76px);padding-top:18px;border-top:1px solid var(--line-light);color:var(--white-45);font-size:.68rem}

/* ============================================================ 动效 ===== */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--i,0) * 70ms)}
.js .reveal.is-in{opacity:1;transform:none}
.js .reveal-clip{clip-path:inset(0 0 100% 0);transition:clip-path .95s var(--ease)}
.js .reveal-clip.is-in{clip-path:inset(0 0 0 0)}

/* ============================================================ 响应式 = */
@media (max-width:1100px){
  .nav-links{display:none}
  .nav-right{display:none}
  .nav-burger{display:block}
  .hero{grid-template-columns:1.12fr .88fr}
  .hero h1{font-size:clamp(3rem,6.3vw,5rem)}
  .atlas{grid-template-columns:.95fr 1.05fr}
  .factory__stamp{right:6%;width:140px}
}
@media (max-width:860px){
  :root{--nav-h:68px}
  .hero{display:block;min-height:100svh;padding-top:0}
  .hero__copy{max-width:none;min-height:100svh;justify-content:flex-end;padding:calc(var(--nav-h) + 70px) var(--gutter) 92px}
  .hero__visual{position:absolute;inset:0;min-height:0}
  .hero__video{display:none}
  .hero__poster{display:block}
  .hero__visual::after{background:linear-gradient(0deg,rgba(8,17,13,.9) 0%,rgba(8,17,13,.55) 48%,rgba(8,17,13,.16) 100%)}
  .hero__sun{width:250px;top:9%;right:-40px;opacity:.68}
  .hero__vertical{display:none}
  .hero__scroll{bottom:22px}
  .hero h1{max-width:8.7em;font-size:clamp(2.9rem,10.6vw,4.5rem)}
  .hero__lede{max-width:34rem}
  .stats__grid{grid-template-columns:1fr 1fr}
  .stat{padding:24px 18px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .section-head{grid-template-columns:1fr;gap:22px;align-items:start}
  .section-head p{max-width:40rem}
  .atlas{grid-template-columns:1fr;min-height:0}
  .atlas__tabs{display:grid;grid-template-columns:1fr 1fr;border-right:0;border-bottom:1px solid var(--line)}
  .product-tab{min-height:110px;padding:18px 14px;grid-template-columns:36px 1fr;gap:8px}
  .product-tab:hover,.product-tab[aria-selected="true"]{padding-left:18px}
  .product-tab__tag{display:none}
  .atlas__stage{min-height:600px}
  .factory{min-height:780px}
  .factory__inner{padding-top:120px}
  .factory__stamp{display:none}
  .craft-art{grid-template-columns:1fr;min-height:0}
  .craft-art__media{min-height:420px;order:-1}
  .craft-art__body{padding-top:54px;padding-bottom:60px}
  .process-grid{grid-template-columns:1fr 1fr}
  .process-step{min-height:280px;border-bottom:1px solid var(--line-light)}
  .process-step:nth-child(2){border-right:0}
  .quote-grid{grid-template-columns:1fr}
  .quote-copy h2{max-width:9em}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:640px){
  .hero__copy{padding-top:calc(var(--nav-h) + 58px);padding-bottom:78px}
  .hero h1{font-size:clamp(2.65rem,12.2vw,3.6rem);letter-spacing:-.045em}
  .hero__lede{font-size:.92rem;line-height:1.8}
  .hero__actions{gap:9px}
  .hero__actions .btn{flex:1 1 145px;padding-inline:14px}
  .hero__scroll{display:none}
  .stat__value{font-size:1.8rem}
  .stat__note{font-size:.7rem}
  .section{padding-block:74px}
  .section-head h2{font-size:clamp(2.35rem,10.5vw,3.7rem)}
  .product-tab{grid-template-columns:28px 1fr;padding:16px 10px}
  .product-tab__name{font-size:1.5rem}
  .product-tab__num{font-size:.62rem}
  .atlas__stage{min-height:530px}
  .product-panel__content{padding:22px}
  .product-panel h3{font-size:2.75rem}
  .product-panel p{font-size:.86rem}
  .product-specs{margin-top:18px}
  .product-specs dt{font-size:.62rem}
  .product-specs dd{font-size:.82rem}
  .factory{min-height:760px}
  .factory h2{font-size:clamp(3rem,13vw,4.5rem)}
  .factory__copy{font-size:.9rem}
  .factory__metrics{grid-template-columns:1fr}
  .factory__metric{padding:15px 0;border-right:0;border-bottom:1px solid var(--line-light)}
  .factory__metric:last-child{border-bottom:0}
  .craft-art__media{min-height:320px}
  .craft-art__body{padding:44px var(--gutter) 52px}
  .craft-art h2{font-size:clamp(2.6rem,11vw,3.8rem)}
  .uv-mark{font-size:8rem}
  .craft-list > div{grid-template-columns:6rem 1fr;gap:12px}
  .scene-rail{grid-auto-columns:84vw}
  .scene-card{min-height:500px}
  .rail-hint{font-size:.62rem}
  .process-grid{grid-template-columns:1fr}
  .process-step{min-height:0;padding:22px 0 28px;border-right:0;border-bottom:1px solid var(--line-light)}
  .process-step:last-child{border-bottom:0}
  .process-step__num{font-size:4.5rem}
  .process-step h3{padding-top:22px}
  .quote-copy h2{font-size:clamp(2.8rem,12vw,4.4rem)}
  .contact-row{grid-template-columns:6rem 1fr}
  .quote-form{padding:24px}
  .footer__grid{grid-template-columns:1fr}
  .footer__base{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .hero__video{display:none}
  .hero__poster{display:block}
  .ticker__track{animation:none}
  .js .reveal,.js .reveal-clip{opacity:1;transform:none;clip-path:none}
}

.btn,.product-tab,.rail-btn,.copy,.nav-burger,.lang__btn,.nav-tel,.nav-links a,.drawer a,.footer a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
@media (pointer: coarse){
.btn,.product-tab,.rail-btn,.copy,.nav-burger,.lang__btn{transition:transform .14s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn:active,.rail-btn:active,.copy:active,.nav-burger:active,.lang__btn:active{transform:scale(.975)}
.product-tab:active{transform:scale(.99);background:var(--lime-2)}
.nav-links a:active,.drawer a:active,.footer a:active,.nav-tel:active{color:var(--lime)}
}
.product-panel.is-active .product-panel__content > *{animation:productContentIn .48s var(--ease) both}
.product-panel.is-active .product-panel__content > :nth-child(1){animation-delay:.03s}
.product-panel.is-active .product-panel__content > :nth-child(2){animation-delay:.08s}
.product-panel.is-active .product-panel__content > :nth-child(3){animation-delay:.13s}
.product-panel.is-active .product-panel__content > :nth-child(4){animation-delay:.18s}
.product-panel.is-active .product-panel__media{animation:productImageIn .7s var(--ease) both}
@keyframes productContentIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes productImageIn{from{opacity:.72;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}
.scene-rail{touch-action:pan-x;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;scroll-padding-inline:var(--gutter)}
.scene-card{transition:transform .35s var(--ease),filter .35s ease}
@media (pointer: coarse){
.scene-rail.is-dragging .scene-card{transform:scale(.995)}
.scene-card:active{transform:scale(.99)}
}
.hero__touch-cue,.rail-hint--touch,.atlas__touch-hint{display:none}
@media (pointer: coarse){
.hero__touch-cue{display:flex;align-items:center;gap:8px;margin-top:22px;color:var(--white-45);font-size:.62rem;letter-spacing:.14em}
.hero__touch-cue::after{content:'';width:1px;height:18px;background:var(--lime);animation:touchCue 1.6s ease-in-out infinite}
.rail-hint{display:none}
.rail-hint--touch{display:inline-block}
.atlas__touch-hint{display:block;padding:12px 14px 0;color:var(--ink-3);font-size:.6rem;letter-spacing:.12em}
}
@keyframes touchCue{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(5px);opacity:1}}
.field input,.field select,.field textarea{transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--lime);box-shadow:0 1px 0 var(--lime)}
.field.has-err input,.field.has-err textarea{animation:fieldShake .28s ease}
@keyframes fieldShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.form__ok.is-on{animation:successIn .38s var(--ease) both}
@keyframes successIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.btn[disabled]{cursor:not-allowed;transform:none}
.drawer.is-open nav a{animation:drawerLinkIn .38s var(--ease) both}
.drawer.is-open nav a:nth-child(1){animation-delay:.04s}
.drawer.is-open nav a:nth-child(2){animation-delay:.08s}
.drawer.is-open nav a:nth-child(3){animation-delay:.12s}
.drawer.is-open nav a:nth-child(4){animation-delay:.16s}
.drawer.is-open nav a:nth-child(5){animation-delay:.20s}
.drawer.is-open nav a:nth-child(6){animation-delay:.24s}
@keyframes drawerLinkIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.rail-dots{display:none;align-items:center;gap:7px;margin-left:auto}
.rail-dot{width:5px;height:5px;padding:0;border:0;border-radius:50%;background:rgba(8,17,13,.2);transition:background .2s ease,transform .2s ease}
.rail-dot[aria-current="true"]{background:var(--ink);transform:scale(1.25)}
@media (pointer: coarse){.rail-dots{display:flex}}
@media (max-width:640px){.rail-dots{display:flex}}
@media (prefers-reduced-motion:reduce){.product-panel.is-active .product-panel__content>*,.product-panel.is-active .product-panel__media,.form__ok.is-on,.drawer.is-open nav a,.hero__touch-cue::after{animation:none}}

.atlas__stage,.scene-card,.hero__visual{transform-style:preserve-3d;will-change:transform}
.atlas__stage{perspective:1200px;transform:rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transition:transform .38s var(--ease)}
.product-panel__media{transform:translateZ(0)}
.product-panel__content{transform:translateZ(34px)}
.scene-card{perspective:1000px;transform:rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));box-shadow:0 30px 70px -52px rgba(0,0,0,.52)}
.scene-card img{transform:translateZ(-18px) scale(1.01)}
.scene-card:hover img{transform:translateZ(-18px) scale(1.045)}
.scene-card__content{transform:translateZ(28px)}
.hero__visual{perspective:1100px}
.hero__video,.hero__poster{transform:translate3d(var(--hero-x,0px),var(--hero-y,0px),0) scale(1.035);transition:transform .32s ease-out}
.hero__sun{transform:translate3d(calc(var(--hero-x,0px) * -.55),calc(var(--hero-y,0px) * -.55),0)}
@media (pointer:coarse){.atlas__stage,.scene-card,.product-panel__content,.scene-card__content,.scene-card img{transform:none}}
@media (prefers-reduced-motion:reduce){.atlas__stage,.scene-card,.hero__video,.hero__poster,.hero__sun{transform:none!important;transition:none!important}}

.manifesto{background:var(--ink);color:var(--paper);padding-block:clamp(58px,7vw,104px);border-bottom:1px solid var(--line-light)}
.manifesto .shell{display:flex;flex-direction:column;gap:clamp(8px,1.2vw,16px)}
.manifesto__line{max-width:14em;font-family:var(--sans);font-size:clamp(2rem,4.8vw,5rem);font-weight:600;line-height:.96;letter-spacing:-.045em}
.manifesto__line--accent{margin-left:clamp(0px,9vw,160px);color:var(--lime)}
@media (max-width:640px){.manifesto__line{font-size:clamp(2.15rem,10.8vw,3.4rem);line-height:1}.manifesto__line--accent{margin-left:0}}


.manifesto .shell{gap:0}
.manifesto__inner{position:relative;display:flex;flex-direction:column}
.manifesto__en{margin:0;font-family:var(--sans);text-transform:none}
.manifesto__en--top{width:100%;margin:0 0 clamp(14px,2vw,24px);text-align:left;color:var(--paper);font-size:clamp(2.8rem,5.8vw,6.3rem);font-weight:600;letter-spacing:-.055em;line-height:.9;position:relative;z-index:2}
.manifesto__cn{max-width:20em;margin:0 0 0 clamp(0px,18vw,260px);color:var(--white-45);font-family:var(--display);font-size:clamp(1.25rem,2.4vw,2.5rem);font-weight:400;line-height:1.35;letter-spacing:.01em;position:relative;z-index:1}
.manifesto__cn span{display:inline-block;margin-left:clamp(0px,8vw,120px);color:var(--lime)}
.manifesto__en--bottom{margin:clamp(18px,3vw,36px) 0 0 clamp(0px,8vw,140px);color:var(--lime);font-size:clamp(2.3rem,4.4vw,4.8rem);font-weight:600;line-height:.95;letter-spacing:-.05em}
@media (max-width:640px){.manifesto__en--top{font-size:clamp(2rem,10vw,3rem);line-height:.94}.manifesto__cn{margin-left:0;font-size:clamp(1.1rem,5vw,1.5rem);line-height:1.4}.manifesto__cn span{display:block;margin-left:0}.manifesto__en--bottom{margin-left:0;font-size:clamp(1.85rem,9vw,2.6rem)}}

.hero__sun{width:min(16vw,220px)!important;opacity:.45!important;filter:blur(.35px)!important;top:15%!important;right:8%!important}
@media (max-width:860px){.hero__sun{width:150px!important;opacity:.4!important;top:10%!important;right:-20px!important}}
.hero__video,.hero__poster{filter:saturate(.9) contrast(1.04) brightness(.97)!important}

.hero__image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.94) contrast(1.04) brightness(.96);transform:translate3d(var(--hero-x,0px),var(--hero-y,0px),0) scale(1.015);transition:transform .32s ease-out}
@media (max-width:860px){.hero__image{filter:saturate(.94) contrast(1.03) brightness(.92)}}

.hero__image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.94) contrast(1.04) brightness(.96);transform:translate3d(var(--hero-x,0px),var(--hero-y,0px),0) scale(1.015);transition:transform .32s ease-out}
@media (max-width:860px){.hero__image{filter:saturate(.94) contrast(1.03) brightness(.92)}}

.hero__image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.94) contrast(1.04) brightness(.96);transform:translate3d(var(--hero-x,0px),var(--hero-y,0px),0) scale(1.015);transition:transform .32s ease-out}
@media (max-width:860px){.hero__image{filter:saturate(.94) contrast(1.03) brightness(.92)}}