/* ==========================================================================
   HOSELAND 海沃特园林工具（浙江）有限公司 · 官网样式 v3
   设计基调：深墨绿 + 暖骨白 · 工业编辑风 · 细线分隔 · 等宽数字
   全局变量集中在 :root，换肤只改这里
   ========================================================================== */

:root{
  /* 中性 */
  --ink:#0E1512;          /* 主文字 */
  --ink-2:#2E3B35;        /* 次级文字 */
  --ink-3:#6C7A73;        /* 说明文字 */
  --ink-4:#9AA69F;
  --paper:#F7F5F1;        /* 暖骨白，替代纯白 */
  --paper-2:#EFEBE4;
  --paper-3:#E3DED5;
  --dark:#08120E;         /* 深色区块底 */

  /* 品牌绿（低饱和深松绿） */
  --green-900:#07130E;
  --green-800:#0C2318;
  --green-700:#12402B;
  --green-600:#175A3C;
  --green-500:#1E6B48;

  /* 沙金点缀 */
  --sand:#B08D52;
  --sand-2:#DCC79A;

  /* 线条 */
  --line:rgba(14,21,18,.09);
  --line-2:rgba(14,21,18,.16);
  --line-d:rgba(255,255,255,.12);
  --line-d2:rgba(255,255,255,.24);

  --wrap:1280px;
  --r:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",
         "Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,
         "Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Mono",Menlo,Consolas,
         "Liberation Mono","Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;letter-spacing:.01em;
  color:var(--ink);background:var(--paper);overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
/* height:auto 必须保留：否则 <img height="900"> 的隐含高度会顶掉 aspect-ratio */
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul,ol,dl,dd,dt{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(176,141,82,.28)}
:focus-visible{outline:2px solid var(--green-600);outline-offset:3px}

.wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto}
.mono{font-family:var(--mono)}

/* ---------- 顶部进度条 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:999;
  background:linear-gradient(90deg,var(--green-600),var(--sand-2));
}

/* ==========================================================================
   导航
   ========================================================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;padding:22px 0;
  transition:padding .4s var(--ease),background .4s var(--ease),
    border-color .4s var(--ease),backdrop-filter .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav-inner{display:flex;align-items:center;gap:26px}
.nav.is-solid{
  padding:13px 0;background:rgba(247,245,241,.9);
  backdrop-filter:blur(16px) saturate(1.3);
  border-bottom-color:var(--line);
}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;display:block;color:var(--sand-2);transition:color .4s var(--ease)}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text strong{
  font-family:var(--mono);font-size:15px;font-weight:600;letter-spacing:.26em;
  color:#F4F1EB;transition:color .4s var(--ease);
}
.brand-text em{
  font-style:normal;font-size:10.5px;letter-spacing:.2em;
  color:rgba(255,255,255,.48);transition:color .4s var(--ease);
}
.nav.is-solid .brand-mark{color:var(--green-600)}
.nav.is-solid .brand-text strong{color:var(--ink)}
.nav.is-solid .brand-text em{color:var(--ink-3)}

.menu{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap}
.menu-link{
  position:relative;padding:9px 12px;font-size:13.5px;letter-spacing:.06em;
  color:rgba(255,255,255,.7);white-space:nowrap;
  transition:color .3s var(--ease);
}
.menu-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;
  background:var(--sand-2);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.menu-link:hover,.menu-link.is-active{color:#fff}
.menu-link:hover::after,.menu-link.is-active::after{transform:scaleX(1)}
.nav.is-solid .menu-link{color:var(--ink-2)}
.nav.is-solid .menu-link:hover,.nav.is-solid .menu-link.is-active{color:var(--ink)}
.nav.is-solid .menu-link::after{background:var(--green-600)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;border-radius:var(--r);font-size:13.5px;font-weight:600;
  letter-spacing:.05em;white-space:nowrap;border:1px solid transparent;
  transition:background .3s var(--ease),color .3s var(--ease),
    border-color .3s var(--ease),transform .3s var(--ease);
}
.btn i{font-style:normal;transition:transform .3s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-lg{padding:15px 28px;font-size:14px}
.btn-primary{background:var(--green-700);color:#F4F1EB}
.btn-primary:hover{background:var(--green-600);transform:translateY(-2px)}
.btn-line{border-color:var(--line-d2);color:#EDEAE3}
.btn-line:hover{background:rgba(255,255,255,.07);border-color:var(--sand-2);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-d2);color:rgba(255,255,255,.82);padding:10px 16px;font-size:13px}
.btn-ghost:hover{border-color:var(--sand-2);color:#fff}
.nav.is-solid .btn-ghost{border-color:var(--line-2);color:var(--ink-2)}
.nav.is-solid .btn-ghost:hover{border-color:var(--green-600);color:var(--green-700)}

/* 语言切换 */
.lang-switch{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;
  color:rgba(255,255,255,.62);border:1px solid transparent;
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.lang-switch:hover{color:#fff;border-color:var(--line-d2)}
.lang-switch b{font-weight:600;color:var(--sand-2)}
.nav.is-solid .lang-switch{color:var(--ink-3)}
.nav.is-solid .lang-switch:hover{color:var(--ink);border-color:var(--line-2)}
.nav.is-solid .lang-switch b{color:var(--green-600)}

/* 浅色区块里的描边按钮 */
.section:not(.section-dark) .btn-line,
.video-sec:not(.section-dark) .btn-line{
  border-color:var(--line-2);color:var(--ink);
}
.section:not(.section-dark) .btn-line:hover{background:rgba(14,21,18,.03);border-color:var(--sand)}

.btn-play{gap:12px}
.play-dot{
  width:0;height:0;border-style:solid;border-width:5px 0 5px 9px;
  border-color:transparent transparent transparent currentColor;display:inline-block;
}

.burger{display:none;width:40px;height:34px;flex-direction:column;justify-content:center;gap:5px;padding:0 8px}
.burger span{display:block;height:1.5px;background:#fff;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav.is-solid .burger span{background:var(--ink)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ==========================================================================
   首屏
   ========================================================================== */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;
  justify-content:flex-end;padding-top:128px;overflow:hidden;
  background:var(--green-900);color:#EDEAE3;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-grid{
  position:absolute;inset:0;opacity:.6;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:92px 92px;
  -webkit-mask-image:radial-gradient(80% 75% at 32% 42%,#000 5%,transparent 78%);
  mask-image:radial-gradient(80% 75% at 32% 42%,#000 5%,transparent 78%);
}
.hero-glow{
  position:absolute;width:1200px;height:1200px;right:-380px;top:-460px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,107,72,.3) 0%,rgba(30,107,72,0) 64%);
}
.hero-glow::after{
  content:"";position:absolute;width:520px;height:520px;left:-460px;bottom:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(176,141,82,.18) 0%,rgba(176,141,82,0) 65%);
}

.hero-inner{
  position:relative;z-index:2;flex:1;display:grid;
  grid-template-columns:1.24fr .76fr;gap:64px;align-items:center;padding-bottom:54px;
}
.hero-copy{max-width:720px}
.hero-tag{
  display:flex;align-items:center;gap:14px;font-family:var(--mono);
  font-size:11px;letter-spacing:.24em;color:rgba(255,255,255,.5);
}
.tag-line{width:44px;height:1px;background:var(--sand-2);flex:0 0 auto}
.hero h1{
  font-size:clamp(2.4rem,4.6vw,3.75rem);line-height:1.1;letter-spacing:-.035em;
  margin:26px 0 26px;color:#F6F3ED;
}
.hero h1 em{font-style:normal;color:var(--sand-2)}
.lead{
  font-size:16px;line-height:2;color:rgba(255,255,255,.66);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-note{
  display:flex;align-items:center;gap:11px;margin-top:34px;
  font-size:12.5px;letter-spacing:.04em;color:rgba(255,255,255,.42);
}
.dot-live{
  width:6px;height:6px;border-radius:50%;background:var(--sand-2);flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(220,199,154,.6);animation:pulse 2.6s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(220,199,154,.5)}
  70%{box-shadow:0 0 0 10px rgba(220,199,154,0)}
  100%{box-shadow:0 0 0 0 rgba(220,199,154,0)}
}

/* 首屏产品样张 */
.hero-plates{position:relative;padding-bottom:8px}
.plate{
  margin:0;position:relative;background:var(--paper);border-radius:var(--r);
  overflow:hidden;isolation:isolate;
}
.plate-main{width:100%;max-width:368px;margin-left:auto;box-shadow:0 40px 80px rgba(0,0,0,.42)}
.plate-img{display:block}
.plate-img img{width:100%;aspect-ratio:1/1;object-fit:cover;mix-blend-mode:multiply}
.plate figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:38px 20px 16px;
  display:flex;flex-direction:column;gap:3px;
  background:linear-gradient(transparent,rgba(247,245,241,.92) 42%,var(--paper) 88%);
}
.plate-cat{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--sand)}
.plate figcaption b{font-size:15px;color:var(--ink);letter-spacing:-.01em}
.plate figcaption em{
  font-style:normal;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-3);
}
.plate-sub{
  position:absolute;left:0;top:10px;width:44%;max-width:196px;
  box-shadow:0 0 0 10px rgba(7,19,14,.86),0 28px 56px rgba(0,0,0,.5);
}
.plate-sub figcaption{padding:26px 14px 12px}
.plate-sub figcaption b{font-size:13px}
.plate-sub figcaption em{font-size:10px}

.hero-foot{
  position:relative;z-index:2;border-top:1px solid var(--line-d);padding:26px 0 30px;
}
.hero-foot-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.kpis{display:flex;flex-wrap:wrap;align-items:stretch}
.kpis>div{padding:0 32px;border-left:1px solid var(--line-d)}
.kpis>div:first-child{padding-left:0;border-left:0}
.kpis dt{
  font-family:var(--mono);font-size:1.55rem;font-weight:500;color:#F6F3ED;
  letter-spacing:-.02em;line-height:1.25;
}
.kpis dd{font-size:11.5px;letter-spacing:.16em;color:rgba(255,255,255,.4);margin-top:4px}
.hero-foot-note{
  display:flex;align-items:center;gap:14px;font-size:12.5px;color:rgba(255,255,255,.42);
}
.hero-foot-note .mono{
  font-size:10.5px;letter-spacing:.16em;color:var(--sand-2);
  border:1px solid rgba(220,199,154,.3);padding:5px 10px;border-radius:var(--r);
}

/* ==========================================================================
   认证跑马灯
   ========================================================================== */
.marquee{
  overflow:hidden;background:var(--dark);padding:17px 0;
  border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d);
}
.marquee-track{display:flex;gap:0;width:max-content;animation:slide 54s linear infinite}
.marquee-track span{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:rgba(255,255,255,.36);
  white-space:nowrap;padding:0 30px;position:relative;
}
.marquee-track span::after{
  content:"";position:absolute;right:0;top:50%;width:3px;height:3px;
  background:rgba(220,199,154,.42);transform:translateY(-50%) rotate(45deg);
}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}

/* ==========================================================================
   通用区块
   ========================================================================== */
.section{padding:120px 0;position:relative;background:var(--paper);border-top:1px solid var(--line)}
.section-alt{background:var(--paper-2)}
.section-dark{background:var(--dark);color:rgba(237,234,227,.68);border-top-color:transparent}
.sec-head{max-width:820px;margin-bottom:58px}
.sec-head h2{
  font-size:clamp(1.65rem,2.85vw,2.3rem);letter-spacing:-.03em;
  color:var(--ink);margin-bottom:18px;
}
.section-dark .sec-head h2{color:#F2EFE9}
.sub{font-size:15.5px;line-height:1.95;color:var(--ink-3);max-width:56em}
.section-dark .sub{color:rgba(237,234,227,.58)}
.sub-left{font-size:15.5px;line-height:1.95;color:rgba(237,234,227,.6);margin-bottom:28px}

.eyebrow{
  display:flex;align-items:center;gap:14px;margin-bottom:24px;
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--ink-3);
}
.eyebrow i{font-style:normal;color:var(--sand);letter-spacing:.08em}
.eyebrow::after{content:"";flex:0 1 56px;height:1px;background:var(--line-2)}
.section-dark .eyebrow,.eyebrow-light{color:rgba(255,255,255,.45)}
.section-dark .eyebrow i,.eyebrow-light i{color:var(--sand-2)}
.section-dark .eyebrow::after,.eyebrow-light::after{background:var(--line-d2)}

/* ---------- 产品筛选 ---------- */
.chips{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:48px}
.chip{
  padding:13px 22px;margin-bottom:-1px;border-bottom:1px solid transparent;border-radius:0;
  font-size:13.5px;letter-spacing:.06em;color:var(--ink-3);
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.chip:hover{color:var(--ink)}
.chip.is-on{color:var(--ink);border-bottom-color:var(--sand)}

.grid-products{display:grid;grid-template-columns:repeat(3,1fr);gap:52px 34px}
.card{display:flex;flex-direction:column}
.card.is-hidden{display:none}
.thumb{
  position:relative;isolation:isolate;overflow:hidden;cursor:zoom-in;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  transition:border-color .4s var(--ease);
}
.card:hover .thumb{border-color:var(--line-2)}
.thumb img{
  width:100%;aspect-ratio:1/1;object-fit:cover;mix-blend-mode:multiply;
  transition:transform 1s var(--ease);
}
.card:hover .thumb img{transform:scale(1.045)}
.corner{
  position:absolute;top:0;left:0;z-index:2;padding:7px 12px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--ink-2);
  background:rgba(247,245,241,.92);
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.card-body{padding:20px 2px 0;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;letter-spacing:-.015em;margin-bottom:10px}
.card-body>p{font-size:14px;line-height:1.85;color:var(--ink-3);flex:1}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 18px}
.tags li{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;
  color:var(--ink-2);border:1px solid var(--line);padding:4px 9px;border-radius:var(--r);
}
.card-foot{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-top:15px;border-top:1px solid var(--line);
}
.moq{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-4)}
.moq b{color:var(--ink-2);font-weight:600;letter-spacing:0}
.link-quote{
  font-size:13px;font-weight:600;color:var(--green-600);
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.link-quote:hover{color:var(--green-700);border-bottom-color:var(--sand)}

.card-more{
  background:var(--green-700);border-radius:var(--r);padding:34px 30px;justify-content:center;
}
.card-more .card-body{padding:0}
.card-more .corner{
  position:static;align-self:flex-start;display:inline-block;background:none;
  border:1px solid rgba(220,199,154,.34);color:var(--sand-2);margin-bottom:22px;padding:5px 10px;
}
.card-more h3{color:#F2EFE9;font-size:19px}
.card-more p{color:rgba(237,234,227,.56);font-size:14px}
.card-more .tags li{border-color:var(--line-d2);color:rgba(237,234,227,.7)}
.card-more .btn-line{align-self:flex-start;margin-top:8px}
.section .card-more .btn-line{color:#EDEAE3;border-color:rgba(255,255,255,.3)}
.section .card-more .btn-line:hover{background:rgba(255,255,255,.08);border-color:var(--sand-2)}

/* ---------- 核心优势（浅色细线网格） ---------- */
.grid-six{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-2);border-left:1px solid var(--line);
}
.why-card{
  position:relative;padding:40px 34px 42px;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .45s var(--ease);
}
.why-card:hover{background:#fff}
.w-no{
  position:absolute;top:20px;right:22px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--ink-4);
}
.w-ico{display:block;width:28px;height:28px;color:var(--green-600);margin-bottom:26px}
.w-ico svg{width:28px;height:28px;display:block}
.why-card h4{font-size:16.5px;color:var(--ink);margin-bottom:12px}
.why-card p{font-size:14px;line-height:1.9;color:var(--ink-3)}

/* ---------- 工厂实力 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:60px;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.steps li{
  padding:36px 32px 38px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .45s var(--ease);
}
.steps li:hover{background:var(--paper-2)}
.steps .no{
  display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;
  color:var(--sand);margin-bottom:22px;
}
.steps h4{font-size:16.5px;margin-bottom:12px}
.steps p{font-size:14px;line-height:1.85;color:var(--ink-3)}

.fact-strip{
  display:grid;grid-template-columns:repeat(5,1fr);margin-bottom:60px;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.fact-strip div{padding:28px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.fact-strip b{
  display:block;font-family:var(--mono);font-weight:500;letter-spacing:-.01em;
  font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--ink);margin-bottom:8px;
}
.fact-strip span{font-size:12px;letter-spacing:.1em;color:var(--ink-3)}

.factory-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.factory-gallery figure{
  position:relative;margin:0;overflow:hidden;border-radius:var(--r);cursor:zoom-in;
  border:1px solid var(--line);
}
.factory-gallery img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 1s var(--ease)}
.factory-gallery figure:hover img{transform:scale(1.05)}
.factory-gallery figcaption{
  position:absolute;inset:auto 0 0 0;padding:30px 16px 14px;
  font-size:13px;letter-spacing:.04em;color:#fff;
  background:linear-gradient(transparent,rgba(6,14,11,.88));
}

/* ---------- 宣传视频 ---------- */
.video-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
.video-copy h2{font-size:clamp(1.65rem,2.85vw,2.3rem);letter-spacing:-.03em;color:#F2EFE9;margin-bottom:20px}
.video-points{display:grid;gap:15px;margin-bottom:34px}
.video-points li{position:relative;padding-left:24px;font-size:14px;color:rgba(237,234,227,.6)}
.video-points li::before{
  content:"";position:absolute;left:0;top:12px;width:12px;height:1px;background:var(--sand-2);
}
.video-points b{color:#F2EFE9;font-weight:600;margin-right:8px}
.video-actions{display:flex;flex-wrap:wrap;gap:14px}
.video-stage{position:relative}
.video-frame{
  position:relative;display:block;width:100%;padding:0;overflow:hidden;border-radius:var(--r);
  background:#05100B;border:1px solid var(--line-d2);
}
.video-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.86;transition:transform 1.1s var(--ease),opacity .5s var(--ease)}
.video-frame:hover img{transform:scale(1.035);opacity:.95}
.video-play{
  position:absolute;inset:0;margin:auto;width:76px;height:76px;border-radius:50%;
  background:rgba(247,245,241,.95);display:flex;align-items:center;justify-content:center;
  transition:transform .45s var(--ease);
}
.video-play::after{
  content:"";position:absolute;inset:-12px;border-radius:50%;
  border:1px solid rgba(247,245,241,.42);animation:ripple 3s ease-out infinite;
}
@keyframes ripple{
  0%{transform:scale(.9);opacity:.8}
  100%{transform:scale(1.3);opacity:0}
}
.video-play i{
  width:0;height:0;border-style:solid;border-width:10px 0 10px 16px;
  border-color:transparent transparent transparent var(--green-700);margin-left:4px;
}
.video-frame:hover .video-play{transform:scale(1.06)}
.video-meta{
  position:absolute;left:0;right:0;bottom:0;padding:46px 22px 18px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;text-align:left;
  background:linear-gradient(transparent,rgba(4,12,9,.92));
}
.video-meta b{color:#fff;font-size:14px;font-weight:600}
.video-meta em{
  font-style:normal;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  color:rgba(255,255,255,.52);text-align:right;
}

/* ---------- 品质 ---------- */
.grid-qual{display:grid;grid-template-columns:1fr 1fr 1.12fr;gap:26px}
.q-box{
  padding:38px 34px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
}
.q-box h4{
  position:relative;font-size:15.5px;color:var(--ink);
  padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line);
}
.q-box h4::before{content:"";position:absolute;left:0;bottom:-1px;width:44px;height:1px;background:var(--sand)}
.q-list li{
  display:flex;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px;
}
.q-list li:last-child{border-bottom:0;padding-bottom:0}
.q-list b{flex:0 0 92px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink)}
.q-list span{color:var(--ink-3)}
.q-note{background:var(--green-700);border-color:transparent}
.q-note h4{color:#F2EFE9;border-bottom-color:var(--line-d)}
.q-note h4::before{background:var(--sand-2)}
.q-note p{font-size:14.5px;line-height:1.95;color:rgba(237,234,227,.6);margin-bottom:28px}
.q-facts{display:grid;gap:14px}
.q-facts span{
  padding-top:14px;border-top:1px solid var(--line-d);
  font-size:12px;letter-spacing:.1em;color:rgba(237,234,227,.45);
}
.q-facts b{
  display:block;font-family:var(--mono);font-weight:500;font-size:15px;
  color:var(--sand-2);margin-bottom:3px;
}

/* ---------- 数字化 ---------- */
.digital{display:grid;grid-template-columns:1.06fr .94fr;gap:70px;align-items:center}
.digital-media{
  position:relative;overflow:hidden;border-radius:var(--r);cursor:zoom-in;border:1px solid var(--line);
}
.digital-media img{width:100%;aspect-ratio:2/1;object-fit:cover}
.digital-tag{
  position:absolute;top:0;left:0;padding:8px 13px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--ink-2);
  background:rgba(247,245,241,.92);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.digital-copy h2{font-size:clamp(1.65rem,2.85vw,2.3rem);letter-spacing:-.03em;margin-bottom:18px}
.digital-copy p{font-size:15.5px;line-height:1.95;color:var(--ink-2);margin-bottom:24px}
.check-list{display:grid;gap:14px;margin-bottom:32px}
.check-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-2)}
.check-list li::before{content:"";position:absolute;left:0;top:12px;width:12px;height:1px;background:var(--sand)}

/* ---------- 应用场景 ---------- */
.scene{position:relative;overflow:hidden;min-height:620px;display:flex;align-items:center;background:var(--green-900)}
.scene-bg{
  position:absolute;inset:0;width:100%;height:132%;object-fit:cover;
  object-position:86% 50%;will-change:transform;
}
.scene-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,18,14,.97) 0%,rgba(6,18,14,.9) 40%,rgba(6,18,14,.5) 76%,rgba(6,18,14,.62) 100%);
}
.scene-inner{position:relative;z-index:2;padding:104px 0}
.scene-card{
  max-width:600px;padding:46px 42px;border-radius:var(--r);color:#EDEAE3;
  background:rgba(8,18,14,.72);border:1px solid var(--line-d2);backdrop-filter:blur(10px);
}
.scene-card h2{font-size:clamp(1.5rem,2.7vw,2.1rem);letter-spacing:-.03em;margin-bottom:18px;color:#F6F3ED}
.scene-card p{font-size:15px;line-height:1.95;color:rgba(255,255,255,.66);margin-bottom:28px}
.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px}
.scene-list li{position:relative;padding-left:22px;font-size:14px;color:rgba(255,255,255,.82)}
.scene-list li::before{content:"";position:absolute;left:0;top:12px;width:11px;height:1px;background:var(--sand-2)}

/* ---------- 合作流程 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-2);border-left:1px solid var(--line);
}
.flow li{
  padding:34px 32px 38px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .45s var(--ease);
}
.flow li:hover{background:#fff}
.f-no{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--sand);margin-bottom:20px}
.flow h4{font-size:16px;color:var(--ink);margin-bottom:10px}
.flow p{font-size:13.5px;line-height:1.85;color:var(--ink-3)}

/* ---------- 关于我们 ---------- */
.about{display:grid;grid-template-columns:1.04fr .96fr;gap:76px;align-items:start}
.about-copy h2{font-size:clamp(1.65rem,2.85vw,2.3rem);letter-spacing:-.03em;margin-bottom:24px}
.about-copy p{font-size:15.5px;line-height:2;color:var(--ink-2);margin-bottom:18px}
.about-copy b{color:var(--green-700);font-weight:600}
.timeline{margin-top:38px;border-top:1px solid var(--line)}
.timeline li{
  display:grid;grid-template-columns:84px 1fr;gap:22px;align-items:baseline;
  padding:17px 0;border-bottom:1px solid var(--line);
}
.timeline b{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--green-600);font-weight:500}
.timeline span{font-size:14px;color:var(--ink-3)}
.about-media{display:grid;gap:18px}
.about-media figure{
  position:relative;margin:0;overflow:hidden;border-radius:var(--r);cursor:zoom-in;border:1px solid var(--line);
}
.about-media img{width:100%;object-fit:cover}
.about-media>figure img{aspect-ratio:2/1}
.about-media figcaption{
  position:absolute;inset:auto 0 0 0;padding:34px 18px 14px;
  font-size:13px;color:#fff;background:linear-gradient(transparent,rgba(6,14,11,.86));
}
.about-media-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.about-media-row figure{border:0}
.about-media-row img{aspect-ratio:4/3}
.about-badge{
  justify-self:start;display:inline-flex;align-items:baseline;gap:12px;
  padding:13px 18px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--paper);
}
.about-badge b{font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--ink)}
.about-badge span{font-size:10.5px;letter-spacing:.14em;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line-2)}
.faq-item{padding:34px 0 36px;border-bottom:1px solid var(--line)}
.faq-item:nth-child(odd){padding-right:46px;border-right:1px solid var(--line)}
.faq-item:nth-child(even){padding-left:46px}
.faq-q{
  display:flex;gap:16px;font-size:16.5px;font-weight:700;line-height:1.6;
  letter-spacing:-.015em;color:var(--ink);
}
.faq-q span{
  flex:0 0 26px;padding-top:6px;
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--sand);
}
.faq-a{padding-left:42px;margin-top:13px;font-size:14.5px;line-height:2.05;color:var(--ink-3)}
.faq-a a{color:var(--green-600);border-bottom:1px solid rgba(23,90,60,.3)}
.faq-a a:hover{color:var(--green-700);border-bottom-color:var(--sand)}

/* ---------- 联系我们 ---------- */
.contact{display:grid;grid-template-columns:.88fr 1.12fr;gap:48px;align-items:start}
.contact-info{display:grid;border-top:1px solid var(--line)}
.info-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.ico{flex:0 0 22px;width:22px;height:22px;color:var(--green-600);margin-top:3px}
.ico svg{width:22px;height:22px;display:block}
.info-item h4{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--ink-3);margin-bottom:9px;font-weight:600}
.info-item p{font-size:15px;color:var(--ink);line-height:1.8}
.info-item small{font-size:12.5px;color:var(--ink-3)}
.info-item a:hover{color:var(--green-600)}
.map-link{
  display:inline-block;margin-top:10px;font-size:13px;color:var(--green-600);
  border-bottom:1px solid rgba(23,90,60,.32);padding-bottom:2px;
}
.map-link:hover{color:var(--green-700);border-bottom-color:var(--sand)}
.ali-card{
  display:flex;align-items:center;gap:18px;margin-top:24px;padding:22px;
  border:1px solid var(--line-2);border-radius:var(--r);background:var(--paper);
  transition:border-color .35s var(--ease),transform .35s var(--ease);
}
.ali-card:hover{border-color:var(--sand);transform:translateY(-2px)}
.ali-logo{
  flex:0 0 46px;height:46px;border-radius:var(--r);background:#FF6A00;color:#fff;
  display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.ali-txt b{display:block;font-size:14.5px;margin-bottom:5px}
.ali-txt em{font-style:normal;font-size:12.5px;color:var(--ink-3)}

.contact-form{
  display:grid;gap:20px;padding:38px 36px;border-radius:var(--r);
  background:var(--paper);border:1px solid var(--line);
}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-form label{display:grid;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3)}
.contact-form input,.contact-form select,.contact-form textarea{
  padding:13px 15px;border-radius:var(--r);border:1px solid var(--line-2);
  background:var(--paper-2);font-family:var(--font);font-size:14.5px;letter-spacing:.01em;
  transition:border-color .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  border-color:var(--green-600);background:var(--paper);box-shadow:0 0 0 3px rgba(23,90,60,.1);outline:none;
}
.contact-form textarea{resize:vertical;min-height:128px}
.form-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.form-tip{font-size:12.5px;color:var(--ink-4)}
.form-tip.ok{color:var(--green-600);font-weight:600}
.form-tip.err{color:#A6332A;font-weight:600}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:rgba(237,234,227,.58);padding:84px 0 30px;border-top:1px solid var(--line-d)}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:46px}
.f-lockup{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.f-lockup .brand-mark{color:var(--sand-2)}
.f-lockup .brand-text strong{color:#F4F1EB}
.f-lockup .brand-text em{color:rgba(255,255,255,.42)}
.f-logo{height:30px;width:auto;margin-bottom:22px;opacity:.92}
.f-name{color:#F2EFE9;font-size:15px;font-weight:600}
.f-sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:rgba(255,255,255,.38);margin:10px 0 20px}
.f-addr{font-size:13px;color:rgba(237,234,227,.46);margin-bottom:8px}
.f-addr a:hover{color:var(--sand-2)}
.f-col h5{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;font-weight:600;
  color:var(--sand-2);margin-bottom:20px;
}
.f-col a{display:block;font-size:13.5px;padding:6px 0;color:rgba(237,234,227,.6);transition:color .3s var(--ease),transform .3s var(--ease)}
.f-col a:hover{color:#F2EFE9;transform:translateX(3px)}
.f-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:60px;padding-top:22px;border-top:1px solid var(--line-d);
  font-size:12.5px;color:rgba(237,234,227,.36);
}

/* ---------- 悬浮操作 ---------- */
.fab-bar{position:fixed;right:22px;bottom:26px;z-index:880;display:flex;flex-direction:column;gap:8px}
.fab{
  width:46px;height:46px;border-radius:var(--r);display:grid;place-items:center;
  color:#EDEAE3;background:var(--green-800);border:1px solid var(--line-d);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .4s var(--ease),transform .4s var(--ease),background .3s var(--ease);
}
.fab svg{width:19px;height:19px;display:block}
.fab-bar.is-on .fab{opacity:1;transform:none;pointer-events:auto}
.fab-bar.is-on .fab:nth-child(2){transition-delay:.05s}
.fab-bar.is-on .fab:nth-child(3){transition-delay:.1s}
.fab-ali{
  background:#FF6A00;border-color:transparent;color:#fff;
  font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.02em;
}
.fab-bar.is-on .fab:hover{transform:translateY(-3px)}
.fab:hover{background:var(--green-600)}
.fab-ali:hover{background:#FF7D1A}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:26px}
.lightbox[hidden]{display:none}
.lb-backdrop{position:absolute;inset:0;background:rgba(6,14,11,.9);backdrop-filter:blur(8px)}
.lb-inner{position:relative;z-index:2;width:100%;max-width:1080px;animation:lbIn .4s var(--ease)}
@keyframes lbIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.lb-inner video,.lb-inner img{width:100%;border-radius:var(--r);border:1px solid var(--line-d);background:#000}
.lb-cap{text-align:center;color:rgba(255,255,255,.56);font-size:13px;letter-spacing:.06em;margin-top:16px}
.lb-close{
  position:absolute;top:-46px;right:0;width:34px;height:34px;border-radius:var(--r);
  color:#fff;background:rgba(255,255,255,.1);border:1px solid var(--line-d2);font-size:14px;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.lb-close:hover{background:rgba(255,255,255,.2);border-color:var(--sand-2)}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1240px){
  .menu{
    display:none;position:absolute;left:0;right:0;top:100%;margin:0;padding:16px 24px 24px;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(7,19,14,.98);backdrop-filter:blur(18px);border-bottom:1px solid var(--line-d);
  }
  .menu.is-open{display:flex}
  .menu-link{padding:15px 4px;font-size:15.5px;border-bottom:1px solid var(--line-d)}
  .menu-link::after{display:none}
  .nav.is-solid .menu{background:rgba(247,245,241,.99);border-bottom-color:var(--line)}
  .nav.is-solid .menu-link{border-bottom-color:var(--line)}
  .burger{display:flex}
  .hero{padding-top:130px}
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero-plates{order:2;padding-bottom:0;max-width:440px}
  .plate-main{margin-left:0;max-width:400px}
  .plate-sub{display:none}
  .grid-products,.grid-six,.steps,.factory-gallery,.grid-qual{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .fact-strip{grid-template-columns:repeat(3,1fr)}
  .video-wrap,.digital,.about,.contact{grid-template-columns:1fr;gap:48px}
  .about-media{order:-1}
  .q-note{grid-column:1/-1}
  .footer-inner{grid-template-columns:1fr 1fr;gap:38px}
  .scene-card{max-width:560px}
}
@media (max-width:720px){
  .wrap{width:calc(100% - 36px)}
  .section{padding:78px 0}
  .hero{padding-top:112px;min-height:auto}
  .hero h1{margin:20px 0 20px}
  .hero-inner{padding-bottom:44px;gap:44px}
  .hero-plates{max-width:100%}
  .plate-main{max-width:100%}
  .plate-img img{aspect-ratio:1/1}
  .hero-foot{padding:22px 0 26px}
  .kpis{display:grid;grid-template-columns:1fr 1fr;gap:20px 22px;width:100%}
  .kpis>div{padding:0;border-left:0;border-top:1px solid var(--line-d);padding-top:14px}
  .kpis dt{font-size:1.3rem}
  .hero-foot-note{flex-direction:column;align-items:flex-start;gap:10px}
  .sec-head{margin-bottom:38px}
  .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{white-space:nowrap;padding:12px 16px}
  .grid-products,.grid-six,.steps,.factory-gallery,.grid-qual,.flow{grid-template-columns:1fr}
  .grid-products{gap:44px}
  .fact-strip{grid-template-columns:1fr 1fr}
  .scene{min-height:auto}
  .scene-inner{padding:72px 0}
  .scene-card{padding:32px 26px}
  .scene-list{grid-template-columns:1fr}
  .timeline li{grid-template-columns:1fr;gap:4px}
  .contact-form{padding:26px 22px}
  .faq-grid{grid-template-columns:1fr}
  .faq-item:nth-child(odd){padding-right:0;border-right:0}
  .faq-item:nth-child(even){padding-left:0}
  .contact-form .row{grid-template-columns:1fr}
  .footer{padding:60px 0 24px}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .f-bottom{margin-top:40px}
  .nav .btn-ghost{display:none}
  .nav .btn-primary{padding:10px 16px;font-size:13px}
  .marquee-track span{padding:0 20px}
  .fab-bar{right:14px;bottom:18px}
  .lb-close{top:-42px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none}
}