/* ==========================================================
   ANSHAN LIANGQIAN — 共享样式表
   简约 · 高级 · 纸感象牙白 × 品牌深林绿
   ========================================================== */
:root{
  --paper:#F5F1EA;
  --paper-2:#ECE7DB;
  --ink:#16130E;
  --ink-70:rgba(22,19,14,.70);
  --ink-45:rgba(22,19,14,.45);
  --ink-25:rgba(22,19,14,.25);
  --hair:rgba(22,19,14,.14);
  --accent:#2F6B4F;
  --serif-en:"Cormorant Garamond","Times New Roman",serif;
  --serif-cn:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Manrope","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.21,1);
  --ease-o:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.7;overflow-x:hidden}
body.lock{overflow:hidden}
::selection{background:var(--ink);color:var(--paper)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--paper)}
::-webkit-scrollbar-thumb{background:var(--ink-25);border-radius:99px;border:3px solid var(--paper)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;background:none;border:none;cursor:pointer;color:inherit}
section{scroll-margin-top:88px;position:relative}
.wrap{width:min(1240px,92vw);margin:0 auto}

/* 噪点 */
.noise{position:fixed;inset:-50%;z-index:95;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ============ 预加载 ============ */
.preloader{position:fixed;inset:0;z-index:120;background:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;transition:transform 1s var(--ease-o) .15s;will-change:transform}
body.loaded .preloader{transform:translateY(-101%)}
.pre-mark{font-family:var(--serif-en);font-weight:400;font-size:clamp(24px,4.4vw,42px);letter-spacing:.3em;margin-right:-.3em;text-transform:uppercase;opacity:0;animation:fadeUp 1s var(--ease) .1s forwards}
.pre-sub{font-size:10px;letter-spacing:.4em;margin-right:-.4em;color:var(--ink-45);text-transform:uppercase;text-align:center;opacity:0;animation:fadeUp 1s var(--ease) .25s forwards}
.pre-line{width:min(220px,40vw);height:1px;background:var(--hair);position:relative;overflow:hidden}
.pre-line i{position:absolute;inset:0;background:var(--ink);transform:scaleX(0);transform-origin:left}
.pre-num{font-family:var(--serif-en);font-style:italic;font-size:15px;color:var(--ink-45)}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* ============ 顶部导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:90;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px clamp(20px,4vw,56px);transition:transform .5s var(--ease),background .4s ease,box-shadow .4s ease,padding .4s ease}
.site-header.hide{transform:translateY(-110%)}
.site-header.scrolled{background:rgba(245,241,234,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--hair);padding-top:13px;padding-bottom:13px}
.logo{display:flex;align-items:baseline;gap:12px;line-height:1}
.logo-cn{font-family:var(--serif-en);font-weight:500;font-size:17px;letter-spacing:.24em;text-transform:uppercase}
.logo-en{font-size:8.5px;letter-spacing:.36em;color:var(--ink-45);text-transform:uppercase}
.header-right{display:flex;align-items:center;gap:clamp(16px,2.4vw,36px)}
.top-nav{display:flex;gap:clamp(16px,2.6vw,38px);align-items:center}
.top-nav a{font-size:12.5px;letter-spacing:.18em;color:var(--ink-70);position:relative;padding:4px 0}
.top-nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease-o)}
.top-nav a:hover{color:var(--ink)}
.top-nav a:hover::after{transform:scaleX(1);transform-origin:left}
.top-nav a.on{color:var(--ink)}
.top-nav a.on::after{transform:scaleX(1)}
.nav-cta{border:1px solid var(--ink);padding:9px 24px;border-radius:99px;font-size:12px;letter-spacing:.24em;transition:background .4s,color .4s,transform .4s var(--ease);white-space:nowrap}
.nav-cta:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.menu-btn{display:none;flex-direction:column;gap:6px;padding:10px 0;width:34px}
.menu-btn span{display:block;height:1.5px;background:var(--ink);transition:transform .45s var(--ease)}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(3.75px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){transform:translateY(-3.75px) rotate(-45deg)}
@media (max-width:1060px){.top-nav{display:none}.nav-cta{display:none}.menu-btn{display:flex}}

/* ============ 全屏菜单 ============ */
.menu-overlay{position:fixed;inset:0;z-index:80;background:var(--paper-2);display:flex;align-items:center;clip-path:inset(0 0 100% 0);visibility:hidden;transition:clip-path .8s var(--ease-o),visibility 0s .8s}
body.menu-open .menu-overlay{clip-path:inset(0 0 0 0);visibility:visible;transition:clip-path .8s var(--ease-o)}
.menu-list{list-style:none;width:min(1240px,92vw);margin:0 auto}
.menu-list a{display:flex;align-items:baseline;gap:22px;padding:clamp(10px,2vh,18px) 0;border-bottom:1px solid var(--hair);opacity:0;transform:translateY(28px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
body.menu-open .menu-list a{opacity:1;transform:none}
body.menu-open .menu-list li:nth-child(1) a{transition-delay:.12s}
body.menu-open .menu-list li:nth-child(2) a{transition-delay:.18s}
body.menu-open .menu-list li:nth-child(3) a{transition-delay:.24s}
body.menu-open .menu-list li:nth-child(4) a{transition-delay:.30s}
body.menu-open .menu-list li:nth-child(5) a{transition-delay:.36s}
body.menu-open .menu-list li:nth-child(6) a{transition-delay:.42s}
body.menu-open .menu-list li:nth-child(7) a{transition-delay:.48s}
.menu-list .no{font-family:var(--serif-en);font-style:italic;font-size:14px;color:var(--accent);min-width:34px}
.menu-list .cn{font-family:var(--serif-cn);font-weight:400;font-size:clamp(24px,4.2vw,40px);letter-spacing:.14em;transition:transform .5s var(--ease),color .4s}
.menu-list .en{font-size:11px;letter-spacing:.3em;color:var(--ink-45);text-transform:uppercase}
.menu-list a:hover .cn{transform:translateX(14px);color:var(--accent)}

/* ============ 揭示动画 ============ */
.rv{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.line-mask{display:block;overflow:hidden}
.line-mask>span{display:block;transform:translateY(110%);transition:transform 1.1s var(--ease-o);transition-delay:var(--d,0s)}
body.loaded .hero .line-mask>span{transform:none}

/* ============ 首屏(主页) ============ */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;padding:0 clamp(20px,4vw,56px) 34px}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.blob-1{width:44vw;height:44vw;left:-12vw;top:-14vw;background:radial-gradient(circle at 40% 40%,#D9E2D5,transparent 68%);animation:drift1 22s ease-in-out infinite alternate}
.blob-2{width:38vw;height:38vw;right:-10vw;bottom:-8vw;background:radial-gradient(circle at 60% 60%,#E8E2CE,transparent 68%);animation:drift2 26s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(6vw,4vh) scale(1.12)}}
@keyframes drift2{to{transform:translate(-5vw,-6vh) scale(.92)}}
.hero-water{position:absolute;right:-2vw;bottom:-5vw;z-index:0;pointer-events:none;user-select:none;font-family:var(--serif-cn);font-weight:600;font-size:24vw;line-height:1;letter-spacing:.04em;color:transparent;-webkit-text-stroke:1px rgba(22,19,14,.09)}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1400px;margin:0 auto}
.hero-kicker{display:flex;align-items:center;gap:16px;font-size:10.5px;letter-spacing:.5em;text-transform:uppercase;color:var(--ink-45);margin-bottom:clamp(18px,3vh,30px)}
.hero-kicker::before{content:"";width:44px;height:1px;background:var(--ink-25)}
.hero-title{font-family:var(--serif-cn);font-weight:300;font-size:clamp(42px,8.8vw,118px);line-height:1.14;letter-spacing:.06em}
.hero-title em{font-style:normal;color:var(--accent)}
.hero-sub{display:flex;flex-wrap:wrap;align-items:baseline;gap:clamp(14px,2.4vw,30px);margin-top:clamp(20px,3.4vh,34px)}
.hero-sub .en{font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:clamp(19px,2.4vw,30px);color:var(--ink-70)}
.hero-sub .desc{font-size:12.5px;color:var(--ink-45);letter-spacing:.06em;max-width:37em}
.hero-side{position:absolute;right:clamp(2px,1vw,12px);top:24vh;z-index:2;writing-mode:vertical-rl;font-size:11.5px;letter-spacing:.62em;color:var(--ink-45);display:flex;align-items:center;gap:18px}
.hero-side::after{content:"";width:1px;height:72px;background:var(--ink-25)}
.hero-foot{display:flex;justify-content:space-between;align-items:flex-end;margin-top:clamp(30px,6vh,64px);padding-top:20px;border-top:1px solid var(--hair);position:relative;z-index:2}
.scroll-cue{display:flex;align-items:center;gap:14px;font-size:10.5px;letter-spacing:.4em;color:var(--ink-45);text-transform:uppercase}
.scroll-cue i{width:1px;height:44px;background:var(--ink-25);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;left:0;top:-100%;width:100%;height:100%;background:var(--ink);animation:scrollLine 2.2s var(--ease) infinite}
@keyframes scrollLine{0%{top:-100%}55%{top:0}100%{top:100%}}
.hero-loc{font-size:10.5px;letter-spacing:.4em;color:var(--ink-45);text-transform:uppercase;text-align:right;line-height:2}
@media (max-width:860px){.hero-side{display:none}.hero-water{font-size:38vw;bottom:-10vw}}

/* ============ 子页页首 ============ */
.page-hero{padding:clamp(140px,20vh,200px) 0 clamp(50px,8vh,80px);position:relative;overflow:hidden}
.page-hero .crumb{font-size:11px;letter-spacing:.3em;color:var(--ink-45);text-transform:uppercase;margin-bottom:clamp(18px,3vh,28px)}
.page-hero .crumb a{color:var(--ink-45)}
.page-hero .crumb a:hover{color:var(--ink)}
.page-hero .crumb b{font-weight:400;color:var(--ink-70)}
.page-title{font-family:var(--serif-cn);font-weight:300;font-size:clamp(38px,6.4vw,86px);line-height:1.18;letter-spacing:.06em}
.page-title em{font-style:normal;color:var(--accent)}
.page-hero .lede{margin-top:clamp(18px,3vh,30px);max-width:44em;color:var(--ink-70);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(20px,3vh,32px)}
.chip{font-size:11px;letter-spacing:.22em;color:var(--ink-70);border:1px solid var(--hair);background:rgba(255,255,255,.4);padding:8px 18px;border-radius:99px}

/* ============ 首屏产品图卡片组 ============ */
.hero-shots{position:absolute;right:clamp(30px,6vw,120px);top:15vh;z-index:2;width:clamp(300px,25vw,410px);height:clamp(340px,29vw,470px)}
.shot{position:absolute;border-radius:6px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(22,19,14,.35);background:#fff}
.shot img{width:100%;height:100%;object-fit:cover;display:block}
.shot-1{width:74%;height:62%;left:0;top:4%;transform:rotate(-5deg);animation:float1 7s ease-in-out infinite alternate}
.shot-2{width:58%;height:46%;right:0;top:42%;transform:rotate(4deg);animation:float2 8s ease-in-out infinite alternate;z-index:2}
.shot-3{width:40%;height:32%;left:6%;bottom:0;transform:rotate(2deg);animation:float1 9s ease-in-out infinite alternate-reverse;z-index:3}
@keyframes float1{to{transform:rotate(-2deg) translateY(-12px)}}
@keyframes float2{to{transform:rotate(6deg) translateY(10px)}}
@media (max-width:1100px){.hero-shots{display:none}}

/* ============ 我们做什么(产品速览) ============ */
.wtd{padding:clamp(56px,9vh,100px) 0 0}
.wtd-lede{font-family:var(--serif-cn);font-weight:300;font-size:clamp(24px,3vw,38px);line-height:1.6;letter-spacing:.05em;margin-bottom:clamp(28px,5vh,48px)}
.wtd-lede em{font-style:normal;color:var(--accent)}
.wtd-lede small{display:block;font-family:var(--sans);font-size:12.5px;letter-spacing:.2em;color:var(--ink-45);margin-top:14px}
.wtd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(10px,1.2vw,18px)}
.wtd-item{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:3px;display:flex;align-items:flex-end}
.wtd-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.wtd-item:hover img{transform:scale(1.06)}
.wtd-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,19,14,0) 42%,rgba(22,19,14,.58))}
.wtd-item .lab{position:relative;z-index:2;padding:20px 22px;color:#fff;width:100%}
.wtd-item .lab b{font-family:var(--serif-cn);font-weight:500;font-size:clamp(16px,1.6vw,20px);letter-spacing:.14em;display:block}
.wtd-item .lab span{font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.78);display:block;margin-top:5px}
.wtd-item .lab i{font-style:normal;float:right;font-family:var(--serif-en);font-size:18px;transform:translateX(0);transition:transform .4s var(--ease)}
.wtd-item:hover .lab i{transform:translateX(6px)}
@media (max-width:860px){.wtd-grid{grid-template-columns:1fr 1fr}}

/* ============ 跑马灯 ============ */
.marquee{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:20px 0;overflow:hidden;background:var(--paper)}
.marquee-track{display:flex;width:max-content;animation:mq 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:flex;align-items:center;white-space:nowrap;font-family:var(--serif-en);font-weight:300;font-size:clamp(18px,2.2vw,28px);letter-spacing:.14em;color:var(--ink-70)}
.marquee-track b{font-family:var(--serif-cn);font-weight:300;font-size:clamp(15px,1.8vw,22px);letter-spacing:.4em;margin-right:.4em;color:var(--ink)}
.marquee-track i{font-style:normal;color:var(--accent);margin:0 2.2em;font-size:.75em}
@keyframes mq{to{transform:translateX(-50%)}}

/* ============ 段落头 ============ */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:clamp(40px,7vh,72px)}
.sec-label{font-size:11px;letter-spacing:.44em;text-transform:uppercase;color:var(--accent)}
.sec-label::before{content:"( ";color:var(--ink-25)}
.sec-label::after{content:" )";color:var(--ink-25)}
.sec-title-en{font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:clamp(30px,4.4vw,54px);color:var(--ink-45);line-height:1;text-align:right}

/* ============ 关于 ============ */
.about{padding:clamp(90px,15vh,160px) 0}
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(40px,6vw,90px);align-items:start}
.about-lede{font-family:var(--serif-cn);font-weight:300;font-size:clamp(24px,3.2vw,40px);line-height:1.72;letter-spacing:.05em}
.about-lede em{font-style:normal;color:var(--accent)}
.about-body{color:var(--ink-70);font-size:14.5px;max-width:44em;display:grid;gap:1.2em;margin-top:clamp(22px,3.5vh,36px)}
.about-sign{margin-top:clamp(26px,4vh,40px);display:flex;align-items:center;gap:16px}
.about-sign .name{font-family:var(--serif-cn);letter-spacing:.3em;font-size:15px}
.about-sign .role{font-size:10.5px;letter-spacing:.3em;color:var(--ink-45);text-transform:uppercase}
.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--hair)}
.stat{padding:clamp(22px,3.5vh,38px) clamp(14px,1.6vw,26px);border-bottom:1px solid var(--hair)}
.stat:nth-child(odd){border-right:1px solid var(--hair)}
.stat .num{font-family:var(--serif-en);font-weight:300;font-size:clamp(42px,5vw,66px);line-height:1;display:flex;align-items:baseline;gap:4px}
.stat .num small{font-size:.42em;font-style:italic;color:var(--accent)}
.stat .lab{margin-top:12px;font-size:11px;letter-spacing:.3em;color:var(--ink-45);text-transform:uppercase}
@media (max-width:960px){.about-grid{grid-template-columns:1fr}}

/* ============ 产品卡片 ============ */
.cats{padding:clamp(80px,13vh,150px) 0}
.cats.tint{background:var(--paper-2)}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.8vw,26px)}
a.cat{display:block;position:relative;padding:clamp(20px,2.4vw,32px);background:var(--paper);border:1px solid var(--hair);border-radius:2px;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
a.cat:hover{transform:translateY(-8px);box-shadow:0 30px 60px -30px rgba(22,19,14,.22)}
.cat-art{aspect-ratio:1/1.05;border-radius:2px;display:flex;align-items:center;justify-content:center;margin-bottom:clamp(18px,2.4vh,26px);position:relative;overflow:hidden}
.cat-art svg{width:52%;height:auto;transition:transform .7s var(--ease);position:relative;z-index:1}
.cat-art .ph{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
a.cat:hover .cat-art .ph{transform:scale(1.06)}
a.cat:hover .cat-art svg{transform:scale(1.06) translateY(-4px)}
.cat-art .idx{position:absolute;top:14px;left:18px;z-index:3;font-family:var(--serif-en);font-style:italic;font-size:15px;color:rgba(22,19,14,.55);mix-blend-mode:luminosity}
.cat h3{font-family:var(--serif-cn);font-weight:500;font-size:clamp(18px,1.6vw,21px);letter-spacing:.12em;white-space:nowrap}
.cat .en{display:block;margin-top:6px;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-45)}
.cat p{margin-top:14px;font-size:13px;line-height:1.85;color:var(--ink-70)}
.cat .more{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:11px;letter-spacing:.28em;color:var(--ink-70)}
.cat .more i{font-style:normal;transition:transform .45s var(--ease)}
a.cat:hover .more i{transform:translateX(6px)}
@media (max-width:1060px){.cat-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cat-grid{grid-template-columns:1fr}}

/* ============ 工厂切换 ============ */
.craft{padding:clamp(90px,15vh,170px) 0}
.craft-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(40px,6vw,90px);align-items:center}
.series-nav{display:grid;gap:4px;margin:clamp(24px,4vh,40px) 0}
.series-btn{display:flex;align-items:center;gap:18px;padding:15px 6px;text-align:left;border-bottom:1px solid var(--hair);color:var(--ink-45);transition:color .4s ease;position:relative}
.series-btn .no{font-family:var(--serif-en);font-style:italic;font-size:14px;min-width:30px}
.series-btn .nm{font-family:var(--serif-cn);font-size:clamp(17px,1.6vw,21px);letter-spacing:.22em;font-weight:400}
.series-btn .spe{margin-left:auto;font-size:10px;letter-spacing:.24em;text-transform:uppercase}
.series-btn::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease-o)}
.series-btn.active{color:var(--ink)}
.series-btn.active::after{transform:scaleX(1)}
.series-desc{color:var(--ink-70);font-size:14.5px;max-width:36em;min-height:5.4em}
.spec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(20px,2.5vw,40px);margin-top:clamp(20px,3.4vh,32px);border-top:1px solid var(--hair)}
.spec{display:flex;justify-content:space-between;align-items:baseline;padding:13px 2px;border-bottom:1px solid var(--hair);font-size:13px}
.spec .k{color:var(--ink-45);letter-spacing:.14em;font-size:11.5px}
.spec .v{font-family:var(--serif-en);font-size:15.5px}
.craft-title{font-family:var(--serif-cn);font-weight:300;font-size:clamp(30px,3.6vw,48px);letter-spacing:.1em;line-height:1.3;min-height:1.3em}
.craft-visual{position:relative;aspect-ratio:4/4.2;border-radius:3px;overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:0 40px 90px -40px rgba(22,19,14,.35)}
.craft-visual .panel{position:absolute;inset:0;z-index:1;opacity:0;transform:scale(1.04);transition:opacity .9s var(--ease),transform 1.2s var(--ease)}
.craft-visual .panel.on{opacity:1;transform:none}
.craft-visual svg.lineart{position:relative;z-index:2;width:52%;filter:drop-shadow(0 24px 30px rgba(22,19,14,.18))}
.craft-visual .big-img{position:absolute;inset:0;z-index:3;width:100%;height:100%;object-fit:cover}
.craft-visual .big-no{position:absolute;bottom:2%;right:5%;z-index:4;pointer-events:none;font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:clamp(90px,10vw,150px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(245,241,234,.8)}
.craft-tag{position:absolute;left:22px;top:20px;z-index:4;font-size:10px;letter-spacing:.4em;text-transform:uppercase;background:rgba(245,241,234,.88);backdrop-filter:blur(6px);padding:8px 14px;border-radius:99px;color:var(--ink-70)}
@media (max-width:960px){.craft-grid{grid-template-columns:1fr}.craft-visual{order:-1;aspect-ratio:4/3.2}}

/* ============ 暗色区(宣言/定制矩阵) ============ */
.philo{background:var(--ink);color:var(--paper);padding:clamp(100px,17vh,190px) 0;text-align:center}
.philo .sec-label{color:#9CB8A6}
.philo-quote{font-family:var(--serif-cn);font-weight:200;font-size:clamp(34px,6.4vw,84px);letter-spacing:.14em;line-height:1.5;margin:clamp(30px,5vh,54px) 0 clamp(14px,2.5vh,24px)}
.philo-quote em{font-style:normal;-webkit-text-stroke:1px rgba(245,241,234,.85);color:transparent}
.philo-en{font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:clamp(17px,2vw,26px);color:rgba(245,241,234,.5);letter-spacing:.1em}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(22px,3vw,54px);margin-top:clamp(60px,10vh,110px);text-align:left}
.principles.c3{grid-template-columns:repeat(3,1fr)}
.principle{border-top:1px solid rgba(245,241,234,.18);padding-top:26px}
.principle .no{font-family:var(--serif-en);font-style:italic;color:#9CB8A6;font-size:15px}
.principle h4{font-family:var(--serif-cn);font-weight:400;font-size:clamp(17px,1.7vw,21px);letter-spacing:.3em;margin:14px 0 10px}
.principle p{font-size:12.5px;line-height:1.9;color:rgba(245,241,234,.62)}
.philo-cta{display:inline-block;margin-top:clamp(46px,8vh,80px);background:var(--paper);color:var(--ink);padding:17px 46px;border-radius:99px;font-size:13px;letter-spacing:.32em;transition:transform .4s var(--ease),box-shadow .4s ease}
.philo-cta:hover{transform:translateY(-3px);box-shadow:0 20px 40px -16px rgba(0,0,0,.5)}
@media (max-width:960px){.principles{grid-template-columns:1fr 1fr}.principles.c3{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.principles{grid-template-columns:1fr}}

/* ============ 日志 ============ */
.journal{padding:clamp(90px,15vh,170px) 0}
.jr-list{border-top:1px solid var(--hair)}
.jr{display:grid;grid-template-columns:200px 1fr auto;gap:clamp(16px,3vw,50px);align-items:center;padding:clamp(24px,3.6vh,38px) clamp(4px,1vw,18px);border-bottom:1px solid var(--hair);transition:background .45s ease,padding-left .45s var(--ease)}
.jr:hover{background:rgba(22,19,14,.035);padding-left:clamp(14px,2vw,34px)}
.jr .date{font-family:var(--serif-en);font-style:italic;font-size:15px;color:var(--ink-45)}
.jr h3{font-family:var(--serif-cn);font-weight:400;font-size:clamp(17px,1.9vw,24px);letter-spacing:.12em}
.jr .tag{display:inline-block;margin-left:14px;font-size:10px;letter-spacing:.3em;color:var(--accent);border:1px solid rgba(47,107,79,.4);padding:3px 10px;border-radius:99px;vertical-align:3px}
.jr .arr{font-family:var(--serif-en);font-size:22px;color:var(--ink-25);transition:transform .45s var(--ease),color .4s}
.jr:hover .arr{transform:translateX(8px);color:var(--ink)}
.jr-more{display:inline-flex;align-items:center;gap:10px;margin-top:clamp(26px,4vh,40px);font-size:11.5px;letter-spacing:.32em;color:var(--ink-70);position:relative}
.jr-more::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease-o)}
.jr-more:hover::after{transform:scaleX(1);transform-origin:left}
@media (max-width:720px){.jr{grid-template-columns:1fr auto}.jr .date{grid-column:1/-1;margin-bottom:-8px}}

/* ============ 页脚 ============ */
.footer{background:var(--paper-2);border-top:1px solid var(--hair);padding:clamp(70px,11vh,120px) 0 0;overflow:hidden}
.foot-mark{font-family:var(--sans);font-weight:700;text-align:center;user-select:none;line-height:.86;font-size:clamp(52px,11vw,160px);letter-spacing:.05em;color:transparent;-webkit-text-stroke:1px rgba(22,19,14,.22);transition:color 1s var(--ease)}
.foot-mark:hover{color:rgba(22,19,14,.05)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1.2fr;gap:clamp(26px,3.5vw,56px);padding:clamp(50px,8vh,80px) 0;border-top:1px solid var(--hair);margin-top:clamp(40px,7vh,70px)}
.foot-grid h5{font-size:10.5px;letter-spacing:.4em;text-transform:uppercase;color:var(--ink-45);margin-bottom:20px}
.foot-brand p{font-family:var(--serif-cn);font-weight:300;font-size:19px;letter-spacing:.24em;margin-bottom:14px}
.foot-brand .slog{font-size:12px;color:var(--ink-45);letter-spacing:.14em;font-family:var(--sans)}
.foot-grid ul{list-style:none;display:grid;gap:11px}
.foot-grid ul a{font-size:13px;color:var(--ink-70);transition:color .3s,letter-spacing .4s var(--ease)}
.foot-grid ul a:hover{color:var(--ink);letter-spacing:.06em}
.foot-grid address{font-style:normal;font-size:13px;color:var(--ink-70);line-height:2.1}
.sub-box{display:flex;border-bottom:1px solid var(--ink-25);padding-bottom:10px;transition:border-color .4s}
.sub-box:focus-within{border-color:var(--ink)}
.sub-box input{flex:1;background:none;border:none;outline:none;font-family:inherit;font-size:13.5px;color:var(--ink);letter-spacing:.06em}
.sub-box input::placeholder{color:var(--ink-25)}
.sub-box button{font-size:11px;letter-spacing:.3em;color:var(--accent)}
.sub-note{margin-top:12px;font-size:11px;color:var(--ink-45);letter-spacing:.06em}
.foot-bottom{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center;border-top:1px solid var(--hair);padding:22px 0 26px;font-size:11px;color:var(--ink-45);letter-spacing:.1em}
.foot-bottom a:hover{color:var(--ink)}
@media (max-width:960px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.foot-grid{grid-template-columns:1fr}}

/* ============ 产品详情页 ============ */
.p-hero-media{position:relative;border-radius:4px;overflow:hidden;margin:clamp(30px,5vh,60px) 0 clamp(60px,10vh,110px);box-shadow:0 50px 100px -50px rgba(22,19,14,.4);background:var(--paper-2);min-height:280px}
.p-hero-media img{display:block;width:100%;height:auto}
.story{padding:clamp(70px,12vh,140px) 0}
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,100px);align-items:start}
.story-txt{display:grid;gap:1.3em;color:var(--ink-70);font-size:14.5px}
.pull{font-family:var(--serif-cn);font-weight:300;font-size:clamp(24px,2.8vw,36px);line-height:1.8;letter-spacing:.06em;border-top:1px solid var(--hair);padding-top:clamp(24px,4vh,40px)}
.pull em{font-style:normal;color:var(--accent)}
@media (max-width:860px){.story-grid{grid-template-columns:1fr}}
.specs{padding:clamp(70px,12vh,140px) 0;background:var(--paper-2)}
.specs .spec-list{margin-top:0;border-top:1px solid var(--hair)}
.specs .spec .v{font-family:var(--serif-cn);font-weight:400;letter-spacing:.04em}
.scn{padding:clamp(70px,12vh,140px) 0}
.scn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.8vw,26px)}
.scn-card{border:1px solid var(--hair);border-radius:2px;padding:clamp(22px,2.6vw,34px);background:var(--paper);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.scn-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -24px rgba(22,19,14,.2)}
.scn-card .no{font-family:var(--serif-en);font-style:italic;color:var(--accent);font-size:14px}
.scn-card h4{font-family:var(--serif-cn);font-weight:500;font-size:17px;letter-spacing:.2em;margin:12px 0 8px}
.scn-card p{font-size:12.5px;color:var(--ink-70);line-height:1.85}
@media (max-width:860px){.scn-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.scn-grid{grid-template-columns:1fr}}
.oem-note{padding:clamp(60px,10vh,110px) 0;background:var(--ink);color:var(--paper);text-align:center}
.oem-note h3{font-family:var(--serif-cn);font-weight:300;font-size:clamp(24px,3.4vw,42px);letter-spacing:.12em;line-height:1.6}
.oem-note h3 em{font-style:normal;color:#9CB8A6}
.oem-note p{margin:18px auto 0;max-width:38em;font-size:13.5px;color:rgba(245,241,234,.6)}
.rel{padding:clamp(70px,12vh,140px) 0}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.6vw,40px);counter-reset:st}
.step{border-top:1px solid var(--hair);padding-top:22px}
.step .no{font-family:var(--serif-en);font-style:italic;font-size:26px;color:var(--ink-25);line-height:1}
.step h4{font-family:var(--serif-cn);font-weight:500;font-size:16.5px;letter-spacing:.18em;margin:12px 0 8px}
.step p{font-size:12.5px;color:var(--ink-70);line-height:1.85}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.steps{grid-template-columns:1fr}}

/* ============ 品牌时间线 ============ */
.tl{border-top:1px solid var(--hair)}
.tl-row{display:grid;grid-template-columns:180px 1fr;gap:clamp(18px,3vw,50px);padding:clamp(22px,3.4vh,36px) 4px;border-bottom:1px solid var(--hair);align-items:baseline}
.tl-row .y{font-family:var(--serif-en);font-weight:300;font-size:clamp(28px,3vw,40px);line-height:1}
.tl-row h4{font-family:var(--serif-cn);font-weight:500;font-size:16.5px;letter-spacing:.16em;margin-bottom:6px}
.tl-row p{font-size:13px;color:var(--ink-70)}
@media (max-width:640px){.tl-row{grid-template-columns:1fr;gap:6px}}

/* ============ 询盘表单 ============ */
.frm{max-width:640px}
.frm .row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,30px)}
.frm .field{margin-bottom:clamp(18px,3vh,26px)}
.frm label{display:block;font-size:10.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--ink-45);margin-bottom:8px}
.frm input,.frm textarea{width:100%;background:none;border:none;border-bottom:1px solid var(--ink-25);padding:10px 2px;font-family:inherit;font-size:14.5px;color:var(--ink);outline:none;transition:border-color .4s;resize:vertical}
.frm input:focus,.frm textarea:focus{border-color:var(--ink)}
.frm input::placeholder,.frm textarea::placeholder{color:var(--ink-25)}
.frm button{border:1px solid var(--ink);padding:14px 44px;border-radius:99px;font-size:12.5px;letter-spacing:.3em;transition:background .4s,color .4s,transform .4s var(--ease)}
.frm button:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
@media (max-width:600px){.frm .row{grid-template-columns:1fr}}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,30px);margin-bottom:clamp(46px,8vh,80px)}
.contact-cards .cc{border:1px solid var(--hair);border-radius:2px;padding:clamp(22px,2.6vw,34px);background:var(--paper)}
.contact-cards h5{font-size:10.5px;letter-spacing:.4em;text-transform:uppercase;color:var(--ink-45);margin-bottom:14px}
.contact-cards .big{font-family:var(--serif-en);font-size:clamp(17px,1.8vw,22px);line-height:1.5}
.contact-cards .sm{font-size:13px;color:var(--ink-70);line-height:2}
@media (max-width:860px){.contact-cards{grid-template-columns:1fr}}

/* CTA 横条 */
.band{padding:clamp(70px,11vh,120px) 0;background:var(--paper-2);text-align:center}
.band h3{font-family:var(--serif-cn);font-weight:300;font-size:clamp(26px,3.6vw,46px);letter-spacing:.12em;line-height:1.5}
.band p{margin:16px auto 0;max-width:40em;color:var(--ink-70);font-size:13.5px}
.band a{display:inline-block;margin-top:clamp(28px,5vh,44px);border:1px solid var(--ink);padding:16px 44px;border-radius:99px;font-size:12.5px;letter-spacing:.3em;transition:background .4s,color .4s,transform .4s var(--ease)}
.band a:hover{background:var(--ink);color:var(--paper);transform:translateY(-3px)}

/* 返回上一页 */
.to-back{position:fixed;left:clamp(18px,3vw,40px);bottom:clamp(18px,3vw,40px);z-index:60;display:flex;align-items:center;gap:8px;padding:0 20px;height:52px;border-radius:99px;border:1px solid var(--hair);background:rgba(245,241,234,.85);backdrop-filter:blur(8px);font-family:var(--sans);font-size:12px;letter-spacing:.28em;color:var(--ink);cursor:pointer;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .5s var(--ease),transform .5s var(--ease),background .3s,color .3s}
.to-back.show{opacity:1;transform:none;pointer-events:auto}
.to-back:hover{background:var(--ink);color:var(--paper)}
.to-back svg{width:15px;height:15px;stroke:currentColor}

/* 回顶部 */
.to-top{position:fixed;right:clamp(18px,3vw,40px);bottom:clamp(18px,3vw,40px);z-index:60;width:52px;height:52px;border-radius:50%;border:1px solid var(--hair);background:rgba(245,241,234,.85);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .5s var(--ease),transform .5s var(--ease),background .3s}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--ink);color:var(--paper)}
.to-top svg{width:16px;height:16px;stroke:currentColor}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
  .rv,.line-mask>span{opacity:1!important;transform:none!important}
}

/* ---------- Language switcher ---------- */
.lang-switch{display:flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.18em}
.lang-switch a{color:var(--ink-45);transition:color .3s;white-space:nowrap}
.lang-switch a:hover{color:var(--ink)}
.lang-switch a.on{color:var(--ink);position:relative}
.lang-switch a.on::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--accent)}
.lang-switch a+a{border-left:1px solid rgba(22,19,14,.18);padding-left:10px}
@media (max-width:560px){.lang-switch{gap:7px;font-size:11px;letter-spacing:.12em}}

/* ============ Hero trust badges ============ */
.hero-trust{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:clamp(10px,1.2vw,16px);margin-top:clamp(24px,4.5vh,44px)}
.t-item{display:flex;align-items:center;gap:12px;padding:11px 22px 11px 13px;border:1px solid var(--hair);border-radius:99px;background:rgba(255,255,255,.38);backdrop-filter:blur(6px)}
.t-ic{width:34px;height:34px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.t-ic svg{width:16px;height:16px;stroke:#F5F1EA;fill:none}
.t-tx b{display:block;font-family:var(--serif-cn);font-weight:500;font-size:14.5px;letter-spacing:.04em;line-height:1.3}
.t-tx span{display:block;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45);line-height:1.5;margin-top:2px}

/* ---------- Cart / Buy bar ---------- */
.cart-link{position:relative;display:inline-flex;align-items:center;color:var(--ink);padding:4px 2px}
.cart-link svg{width:20px;height:20px}
.cart-badge{position:absolute;top:-7px;right:-11px;min-width:16px;height:16px;border-radius:99px;background:var(--accent);color:#fff;font-size:10px;line-height:16px;text-align:center;padding:0 4px;font-weight:600}
.buy-bar{padding:clamp(24px,4vh,44px) 0}
.buy-inner{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(14px,2vw,28px);border:1px solid rgba(22,19,14,.14);border-radius:16px;padding:clamp(16px,2.4vw,26px) clamp(18px,3vw,34px);background:rgba(255,255,255,.55)}
.buy-price{color:var(--ink);white-space:nowrap}
.buy-price .buy-cur{font-size:16px;vertical-align:top}
.buy-price b{font-size:clamp(24px,3vw,34px);font-weight:600;letter-spacing:-.01em}
.buy-price small{color:var(--ink-45);font-size:12px;letter-spacing:.12em;margin-left:6px}
.buy-qty{display:flex;align-items:center;border:1px solid rgba(22,19,14,.22);border-radius:99px;overflow:hidden}
.qty-btn{width:34px;height:38px;background:none;border:0;font-size:16px;color:var(--ink);cursor:pointer}
.qty-input{width:44px;height:38px;border:0;text-align:center;background:none;font:inherit;color:var(--ink)}
.buy-add{display:inline-flex;align-items:center;border:1px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:99px;padding:11px 28px;font-size:12.5px;letter-spacing:.22em;cursor:pointer;transition:opacity .3s}
.buy-add:hover{opacity:.85}
.buy-add.is-busy{opacity:.5;pointer-events:none}
.buy-cart-link{font-size:12.5px;letter-spacing:.18em;color:var(--ink-70);border-bottom:1px solid rgba(22,19,14,.3);padding-bottom:2px;white-space:nowrap}
.buy-note{width:100%;font-size:12px;color:var(--ink-45);letter-spacing:.06em;margin:0}
.quick-add{display:block;width:100%;margin-top:12px;padding:9px 0;border:1px solid rgba(22,19,14,.25);border-radius:99px;background:none;color:var(--ink);font:inherit;font-size:12px;letter-spacing:.18em;cursor:pointer;transition:background .3s,color .3s;text-align:center}
.quick-add:hover{background:var(--ink);color:var(--paper)}
.quick-add.is-busy{opacity:.5;pointer-events:none}
.lq-cart-toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:12px 26px;border-radius:99px;font-size:13px;letter-spacing:.08em;z-index:999;box-shadow:0 10px 30px rgba(22,19,14,.25)}

/* ============ 检测报告翻页（纯净配方版块） ============ */
.craft-visual .big-img.is-doc{object-fit:contain;background:#FDFCF9}
.rep-ctrl{position:absolute;right:16px;bottom:16px;z-index:6;display:flex;align-items:center;gap:10px}
.rep-ctrl[hidden]{display:none}
.rep-btn{width:38px;height:38px;border-radius:50%;border:1px solid rgba(22,19,14,.25);background:rgba(245,241,234,.92);backdrop-filter:blur(6px);color:var(--ink,#16130E);font-size:15px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:background .25s,color .25s}
.rep-btn:hover{background:var(--ink,#16130E);color:#F5F1EA}
.rep-num{font-family:var(--serif-en);font-style:italic;font-size:14px;color:var(--ink-70,#57534E);min-width:44px;text-align:center}
@media (max-width:960px){.rep-ctrl{right:12px;bottom:12px}}

/* 报告图等比放大：桌面端面板加高 + 轻微放大裁掉扫描白边 */
@media (min-width:960px){
  .craft-visual{min-height:clamp(580px,76vh,780px)}
}
.craft-visual .big-img.is-doc{transform:scale(1.08);transform-origin:50% 20%}