/* ============================================================
   XIMI 薏米厨房改造 · 全站样式
   轻高定 / Apple 风格：大留白、衬线标题、克制配色、圆角卡片
   ============================================================ */
:root{
  --bg:#f6f6f3;
  --paper:#fdfdfb;
  --soft:#eeeeea;
  --ink:#141414;
  --ink-2:#232320;
  --muted:#6e6e68;
  --muted-2:#8c8b84;
  --line:rgba(20,20,20,.08);
  --line-strong:rgba(20,20,20,.16);
  --dark:#101010;
  --dark-soft:#191919;
  --dark-line:rgba(255,255,255,.12);
  --warm:#9a8564;
  --warm-soft:#b7a488;
  --serif:'Noto Serif SC',serif;
  --sans:'Noto Sans SC',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --radius:26px;
  --radius-sm:16px;
  --max:1240px;
  --nav-h:70px;
  --shadow-sm:0 2px 12px rgba(20,20,20,.05);
  --shadow-md:0 8px 30px rgba(20,20,20,.07);
  --shadow-lg:0 20px 60px rgba(20,20,20,.10);
  --shadow-dark:0 20px 60px rgba(0,0,0,.25);
  --ease-ios:cubic-bezier(.25,.1,.25,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
::selection{background:#2c2c28;color:#fff}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.section{padding:130px 0}
.section-sm{padding:90px 0}
.soft-bg{background:var(--soft)}
.paper-bg{background:var(--paper)}
.section-dark{background:var(--dark);color:#fff}
h1,h2,h3,h4,p,figure,ul,ol{margin-top:0}
h1,h2,h3,h4{font-weight:500;letter-spacing:-.04em;color:inherit;text-wrap:balance;line-break:strict}
.faq-item summary,.process-step h3,.service-card h3{text-wrap:balance}
h1{font-size:clamp(46px,7vw,104px);line-height:1.04;max-width:960px;font-family:var(--serif)}
h2{font-size:clamp(38px,4.8vw,74px);line-height:1.08}
h3{font-size:30px;line-height:1.22}
h4{font-size:21px;line-height:1.3}
em{font-style:normal;font-family:var(--serif);font-weight:400}
p{color:inherit}
.lead{font-size:clamp(20px,2vw,26px);line-height:1.5;letter-spacing:-.02em;font-weight:400}
.muted{color:var(--muted)}
.section-label,.eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#8b8a82;margin:0 0 22px;font-weight:500}
.section-label.light,.eyebrow.light{color:rgba(255,255,255,.6)}
.eyebrow.warm{color:var(--warm)}

/* ---------- 按钮 ---------- */
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:999px;padding:14px 28px;font:500 14px/1.2 var(--sans);cursor:pointer;transition:transform .35s var(--ease-ios),background .35s var(--ease-ios),color .35s var(--ease-ios),border-color .35s var(--ease-ios),box-shadow .35s var(--ease-ios);white-space:nowrap;letter-spacing:.01em}
.button:hover{transform:translateY(-2px) scale(1.01)}
.button:active{transform:translateY(0) scale(.98)}
.button-light{background:#fff;color:#111;box-shadow:0 4px 20px rgba(0,0,0,.12)}
.button-light:hover{background:#f4f3ee;box-shadow:0 8px 30px rgba(0,0,0,.18)}
.dark-button,.button-dark{background:#111;color:#fff;box-shadow:0 4px 16px rgba(0,0,0,.2)}
.button-dark:hover{background:#2c2c28;box-shadow:0 10px 34px rgba(0,0,0,.28)}
.button-outline{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.button-outline:hover{border-color:#111;background:rgba(0,0,0,.04)}
.button-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.button-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.button-sm{padding:10px 18px;font-size:13px}
.text-link{font-size:14px;display:inline-flex;gap:9px;align-items:center;color:inherit}
.text-link span{transition:transform .2s}
.text-link:hover span{transform:translateX(4px)}
.text-link.light{color:#fff}
.text-link.dark{color:var(--ink)}

/* ---------- 导航 ---------- */
.nav{position:fixed;z-index:100;top:0;left:0;right:0;height:var(--nav-h);padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:rgba(246,246,243,.72);backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);border-bottom:1px solid rgba(20,20,20,.05);transition:background .4s var(--ease-ios),color .4s var(--ease-ios),border-color .4s var(--ease-ios)}
.nav.on-dark{background:rgba(16,16,16,.45);border-bottom-color:rgba(255,255,255,.06);color:#fff}
.brand{display:flex;align-items:center;gap:12px;color:inherit}
.brand-logo{height:30px;width:auto;display:block;object-fit:contain;transition:opacity .35s var(--ease-ios),transform .35s var(--ease-ios)}
.brand:hover .brand-logo{opacity:.85;transform:scale(1.02)}
.brand-logo-light{display:none}
.brand-logo-dark{display:block}
.nav.on-dark .brand-logo-light{display:block}
.nav.on-dark .brand-logo-dark{display:none}
.footer-brand .brand-logo{height:36px}
.footer-brand .brand-logo-light{display:block}
.footer-brand .brand-logo-dark{display:none}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#151515;color:#fff;font-family:var(--serif);font-size:18px;flex:none;transition:background .35s var(--ease-ios),transform .35s var(--ease-ios)}
.brand:hover .brand-mark{transform:scale(1.05)}
.nav.on-dark .brand-mark{background:#fff;color:#111}
.brand-text{display:flex;align-items:flex-end;gap:10px}
.brand-text strong{font-size:17px;letter-spacing:.16em;font-weight:600}
.brand-text small{font-size:11px;color:#7d7c75;letter-spacing:.1em}
.nav.on-dark .brand-text small{color:rgba(255,255,255,.55)}
.nav-links{display:flex;gap:26px;font-size:13.5px;color:#4f4f4a}
.nav.on-dark .nav-links{color:rgba(255,255,255,.72)}
.nav-links a{padding:6px 2px;position:relative;transition:opacity .25s var(--ease-ios),color .25s var(--ease-ios)}
.nav-links a:hover{opacity:.55}
.nav-links a.active{color:var(--ink);opacity:1}
.nav.on-dark .nav-links a.active{color:#fff}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:currentColor;border-radius:2px}
.nav-cta{font-size:13px;padding:9px 18px;border:1px solid rgba(20,20,20,.16);border-radius:999px;color:inherit;transition:background .3s var(--ease-ios),color .3s var(--ease-ios),border-color .3s var(--ease-ios),transform .3s var(--ease-ios)}
.nav-cta:hover{background:#111;color:#fff;border-color:#111;transform:scale(1.02)}
.nav.on-dark .nav-cta{border-color:rgba(255,255,255,.35)}
.nav.on-dark .nav-cta:hover{background:#fff;color:#111;border-color:#fff}
.nav-burger{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:none;border:0;cursor:pointer;color:inherit}
.nav-burger span{display:block;width:21px;height:1.8px;background:currentColor;transition:transform .35s,opacity .3s}
.nav.burger-open .nav-burger span:nth-child(1){transform:translateY(6.8px) rotate(45deg)}
.nav.burger-open .nav-burger span:nth-child(2){opacity:0}
.nav.burger-open .nav-burger span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:var(--nav-h) 0 0 0;z-index:99;background:rgba(246,246,243,.96);backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);display:flex;flex-direction:column;justify-content:center;padding:0 38px;opacity:0;visibility:hidden;transition:opacity .4s var(--ease-ios),visibility .4s var(--ease-ios)}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{font-size:27px;font-family:var(--serif);padding:15px 0;border-bottom:1px solid var(--line);color:var(--ink);transition:opacity .25s var(--ease-ios),padding-left .25s var(--ease-ios)}
.mobile-menu a:hover{opacity:.6;padding-left:8px}
.mobile-menu .button{margin-top:34px;align-self:flex-start;font-family:var(--sans)}

/* ---------- 首页 HERO ---------- */
.hero{min-height:100svh;position:relative;display:flex;align-items:center;overflow:hidden;padding-top:var(--nav-h)}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center;animation:heroZoom 20s ease-in-out infinite alternate}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.06)}}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(0,0,0,.58) 0%,rgba(0,0,0,.28) 50%,rgba(0,0,0,.06) 100%),linear-gradient(0deg,rgba(16,16,16,.85) 0%,rgba(16,16,16,.15) 35%,transparent 60%)}
.hero-content{position:relative;z-index:2;padding:13vh 0 15vh}
.hero-content .eyebrow{color:rgba(255,255,255,.72);letter-spacing:.22em}
.hero h1{color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.3)}
.hero-subtitle{font-size:clamp(20px,2.2vw,28px);color:rgba(255,255,255,.94);margin:20px 0 14px;font-family:var(--serif)}
.hero-copy{max-width:600px;font-size:16.5px;color:rgba(255,255,255,.8);line-height:1.8}
.hero-actions{display:flex;align-items:center;gap:20px;margin-top:38px;flex-wrap:wrap}
.hero-scroll{position:absolute;z-index:2;bottom:28px;left:50%;transform:translateX(-50%);font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.6);display:flex;flex-direction:column;align-items:center;gap:10px}
.hero-scroll .bar{width:1px;height:44px;background:linear-gradient(rgba(255,255,255,.7),transparent);animation:scrollHint 2.2s ease-in-out infinite}
@keyframes scrollHint{0%{transform:scaleY(.2);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--dark);color:#fff;padding:60px 0;position:relative;box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 20px 50px -20px rgba(0,0,0,.4)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:8px 12px;border-left:1px solid rgba(255,255,255,.10);display:flex;flex-direction:column;align-items:center}
.stat:first-child{border-left:0}
.stat b{display:flex;align-items:center;justify-content:center;width:100%;min-height:84px;font-size:clamp(48px,5vw,72px);font-weight:400;font-family:var(--serif);line-height:1;letter-spacing:-.03em;background:linear-gradient(180deg,#fff,rgba(255,255,255,.7));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat b small{font-size:.4em;margin-left:4px;letter-spacing:0}
.stat.stat-enf b{font-size:clamp(42px,4.4vw,64px);letter-spacing:.01em;line-height:1;min-height:84px}
.stat.stat-enf b small{font-size:.36em;margin-left:3px}
.stat span{display:block;margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.08em}

/* ---------- 通用标题 ---------- */
.section-heading,.split-head{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:end}
.section-heading p,.split-head p{color:var(--muted);max-width:520px;margin:0 0 4px;font-size:16px}
.section-heading.center,.sec-head{text-align:center;max-width:820px;margin:0 auto 70px;display:block}
.section-heading.center p,.sec-head p{margin:22px auto 0;color:var(--muted);font-size:16px;max-width:640px}
.section-heading.center h2,.sec-head h2{margin:0}

/* ---------- intro 理念 ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end}
.intro-copy{max-width:620px;color:#5f5f5a;font-size:16.5px}
.intro-copy p{margin-bottom:18px}
.intro-copy .lead{color:#222;font-weight:500}
.philosophy-points{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:64px}
.point-card{padding:32px 28px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .35s var(--ease-ios),box-shadow .35s var(--ease-ios),border-color .35s var(--ease-ios)}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(20,20,20,.12)}
.point-card .k{font-size:12px;letter-spacing:.16em;color:var(--warm);margin-bottom:14px;font-weight:600}
.point-card h3{font-size:22px;margin-bottom:10px}
.point-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.75}

/* ---------- 大图沉浸 feature ---------- */
.feature{min-height:76vh;position:relative;overflow:hidden}
.feature-media{position:absolute;inset:0;background-size:cover;background-position:center}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.5s var(--ease-ios)}
.feature:hover .feature-media img{transform:scale(1.04)}
.feature:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.66),rgba(0,0,0,.10) 76%)}
.feature.align-right:after{background:linear-gradient(270deg,rgba(0,0,0,.66),rgba(0,0,0,.08) 76%)}
.feature-content{position:relative;z-index:2;min-height:76vh;display:flex;align-items:flex-end;padding:70px 0}
.feature.align-right .feature-content{justify-content:flex-end}
.glass-card{max-width:500px;padding:38px;border-radius:var(--radius);background:rgba(20,20,20,.38);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);color:#fff;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.glass-card h3{font-family:var(--serif);font-size:clamp(32px,3.4vw,46px);margin-bottom:16px}
.glass-card p:last-child{color:rgba(255,255,255,.76);margin-bottom:0;font-size:15px;line-height:1.8}
.glass-card.light-card{background:rgba(248,248,244,.82);color:#151515;border-color:rgba(255,255,255,.5);backdrop-filter:blur(20px)}
.glass-card.light-card p:last-child{color:#54544e}
.glass-card .check-list{margin:18px 0 0}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mt-70{margin-top:70px}.mt-50{margin-top:50px}.mt-40{margin-top:40px}.mt-30{margin-top:30px}

.spec-card{min-height:360px;padding:30px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;flex-direction:column;transition:transform .4s var(--ease-ios),box-shadow .4s var(--ease-ios),border-color .4s var(--ease-ios)}
.spec-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(20,20,20,.12)}
.spec-number{font-size:12px;color:#9a9991;margin-bottom:40px;letter-spacing:.12em}
.spec-card h3{font-size:24px;margin-bottom:12px}
.spec-card p{color:#686861;font-size:14px;margin-bottom:20px}
.spec-card .card-media{margin:0 -30px -30px;border-radius:0 0 22px 22px;overflow:hidden;aspect-ratio:16/10}
.spec-card .card-media img{width:100%;height:100%;object-fit:cover}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag-row span{padding:6px 12px;border:1px solid rgba(20,20,20,.08);border-radius:999px;font-size:11.5px;color:#5f5f58;background:rgba(255,255,255,.7);transition:background .25s var(--ease-ios)}
.spec-card:hover .tag-row span{background:rgba(255,255,255,.9)}
.big-stat{margin-top:auto}
.big-stat span{font-size:42px;letter-spacing:-.04em;font-family:var(--serif)}
.big-stat small{display:block;color:#7a7a72;font-size:12px}
.brand-list{margin-top:auto;font-size:12px;letter-spacing:.05em;color:#7b7b73;line-height:1.9}

/* ---------- 产品卡片（带图） ---------- */
.product-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--paper);transition:transform .4s var(--ease-ios),box-shadow .4s var(--ease-ios),border-color .4s var(--ease-ios)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(20,20,20,.12)}
.product-media{aspect-ratio:4/3;overflow:hidden;position:relative;background:var(--soft)}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-ios)}
.product-card:hover .product-media img{transform:scale(1.06)}
.product-tag{position:absolute;top:16px;left:16px;font-size:11px;letter-spacing:.14em;padding:6px 12px;border-radius:999px;background:rgba(16,16,16,.5);color:#fff;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15)}
.product-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:23px;margin-bottom:6px}
.product-body .en{font-size:11px;letter-spacing:.22em;color:#a09f97;text-transform:uppercase;margin-bottom:12px}
.product-body p{font-size:14px;color:var(--muted);margin-bottom:18px;line-height:1.7}
.product-body .tag-row{margin-top:auto}
.card-go{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#111;margin-top:16px;font-weight:500}
.card-go span{transition:transform .3s var(--ease-ios)}
.product-card:hover .card-go span{transform:translateX(5px)}

/* ---------- 深色分屏 showcase ---------- */
.split-section{display:grid;grid-template-columns:1.06fr .94fr;min-height:680px;background:#111;color:#fff}
.showcase-media{background-size:cover;background-position:center;min-height:420px;position:relative;overflow:hidden}
.showcase-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-ios)}
.split-section:hover .showcase-media img{transform:scale(1.04)}
.showcase-copy{padding:90px clamp(36px,7vw,104px);display:flex;flex-direction:column;justify-content:center}
.showcase-copy .eyebrow{color:rgba(255,255,255,.5)}
.showcase-copy h2{font-size:clamp(40px,4.6vw,68px)}
.showcase-copy p{max-width:460px;color:rgba(255,255,255,.68);font-size:16px;line-height:1.8}
.showcase-copy .text-link{margin-top:28px}

/* ---------- 工艺 craft ---------- */
.craft-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.craft-card{min-height:240px;padding:26px;border:1px solid var(--line);border-radius:20px;background:#efefeb;display:flex;flex-direction:column;justify-content:space-between;transition:transform .35s var(--ease-ios),background .35s var(--ease-ios),box-shadow .35s var(--ease-ios)}
.craft-card:hover{transform:translateY(-4px);background:#f5f5f0;box-shadow:var(--shadow-md)}
.craft-card.tall{min-height:330px}
.craft-card.wide{grid-column:span 2;min-height:220px;background:#e6e6e0}
.craft-index{font-size:11px;color:#9b9b92;letter-spacing:.14em}
.craft-card strong{font-size:25px;font-weight:500;letter-spacing:-.03em;display:block;margin:26px 0 10px}
.craft-card span{font-size:12.5px;color:#6e6e67;line-height:1.7}
.craft-card .craft-img{margin:20px -26px -26px;aspect-ratio:16/9;overflow:hidden;border-radius:0 0 20px 20px}
.craft-card .craft-img img{width:100%;height:100%;object-fit:cover}

/* ---------- 生活方式 ---------- */
.life-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(20,20,20,.10);border:1px solid rgba(20,20,20,.10);overflow:hidden;border-radius:var(--radius)}
.life-item{min-height:190px;padding:26px;background:var(--soft);font-size:23px;display:flex;flex-direction:column;justify-content:space-between;letter-spacing:-.03em;transition:background .3s var(--ease-ios),transform .3s var(--ease-ios);cursor:default}
.life-item:hover{background:#f8f8f4;transform:translateY(-3px)}
.life-item small{color:#74746c;font-size:12px;line-height:1.6;letter-spacing:0;margin-top:18px}

/* ---------- editorial ---------- */
.editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.editorial-image{aspect-ratio:4/5;background-size:cover;background-position:center;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg)}
.editorial-image img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-ios)}
.editorial-image:hover img{transform:scale(1.03)}
.editorial-copy{max-width:560px}
.editorial-copy h2{margin-bottom:26px}
.editorial-copy>p:not(.eyebrow){color:#65655f;font-size:16px;line-height:1.85}
.quote{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);font-family:var(--serif);font-size:clamp(22px,2vw,27px);line-height:1.6;color:var(--ink-2)}

/* ---------- 交付流程 timeline ---------- */
.delivery-heading{margin-bottom:10px}
.delivery-heading p{color:rgba(255,255,255,.64)}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:64px}
.timeline-item{padding:28px 22px;border-top:1px solid rgba(255,255,255,.18);transition:border-color .3s var(--ease-ios)}
.timeline-item:hover{border-top-color:rgba(255,255,255,.4)}
.timeline-item span{font-size:11px;color:rgba(255,255,255,.4);letter-spacing:.16em}
.timeline-item h3{font-size:21px;margin:36px 0 10px}
.timeline-item p{font-size:13px;color:rgba(255,255,255,.6);margin:0;line-height:1.75}
.timeline.light .timeline-item{border-top-color:rgba(20,20,20,.18)}
.timeline.light .timeline-item span{color:#a09f97}
.timeline.light .timeline-item p{color:var(--muted)}

/* ---------- 品牌墙 ---------- */
.brand-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.brand-col{border:1px solid var(--line);border-radius:20px;padding:28px 26px;background:var(--paper);transition:transform .35s var(--ease-ios),box-shadow .35s var(--ease-ios)}
.brand-col:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.brand-col h4{font-size:13px;letter-spacing:.18em;color:var(--warm);margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line);font-weight:600}
.brand-col ul{list-style:none;margin:0;padding:0}
.brand-col li{font-size:14.5px;padding:7px 0;color:var(--ink-2);display:flex;align-items:baseline;gap:10px}
.brand-col li small{color:var(--muted-2);font-size:11.5px;letter-spacing:.04em}
.brand-col li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--warm-soft);flex:none;transform:translateY(-2px)}
.brand-badge{text-align:center;margin-top:46px;font-size:14px;color:#6b6a63;letter-spacing:.04em}
.brand-badge b{color:var(--ink);font-weight:500}

/* ---------- 二级页面页头 ---------- */
.sub-hero{position:relative;padding:calc(var(--nav-h) + 90px) 0 96px;overflow:hidden;background:var(--dark);color:#fff}
.sub-hero .sub-bg{position:absolute;inset:0;opacity:.22}
.sub-hero .sub-bg img{width:100%;height:100%;object-fit:cover}
.sub-hero .sub-bg:after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,16,16,.94),rgba(16,16,16,.5))}
.sub-hero .container{position:relative;z-index:2}
.sub-hero.light{background:var(--soft);color:var(--ink)}
.sub-hero.light .sub-bg:after{background:linear-gradient(100deg,rgba(236,236,231,.96),rgba(236,236,231,.55))}
.breadcrumb{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);margin-bottom:26px}
.sub-hero.light .breadcrumb{color:#8a8982}
.breadcrumb a:hover{opacity:.7}
.breadcrumb span{margin:0 9px;opacity:.5}
.sub-hero h1{font-size:clamp(42px,5.6vw,78px);max-width:880px}
.sub-hero .sub-copy{max-width:620px;margin-top:22px;font-size:17px;color:rgba(255,255,255,.72);line-height:1.8}
.sub-hero.light .sub-copy{color:var(--muted)}
.sub-hero .hero-actions{margin-top:32px}

/* ---------- 交替图文行 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0}
.feature-row.reverse .fr-media{order:2}
.fr-media{border-radius:var(--radius);overflow:hidden;aspect-ratio:5/4;background:var(--soft)}
.fr-media img{width:100%;height:100%;object-fit:cover}
.fr-media.tall{aspect-ratio:4/5}
.fr-copy h2{font-size:clamp(32px,3.4vw,50px);margin-bottom:18px}
.fr-copy .en{font-size:11.5px;letter-spacing:.22em;color:#a09f97;text-transform:uppercase;margin-bottom:14px}
.fr-copy p{color:var(--muted);font-size:15.5px}
.fr-copy .lead{color:var(--ink);font-weight:500;margin-bottom:16px}

/* ---------- check list ---------- */
.check-list{list-style:none;margin:22px 0 0;padding:0}
.check-list li{position:relative;padding:9px 0 9px 30px;font-size:14.5px;color:inherit;border-bottom:1px dashed rgba(20,20,20,.08)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:'';position:absolute;left:2px;top:16px;width:13px;height:7px;border-left:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(-45deg)}
.glass-card .check-list li{border-color:rgba(255,255,255,.14);font-size:14px}
.check-list.ticks li::before{content:'✓';border:0;transform:none;top:8px;left:0;font-size:13px;color:var(--warm)}
.glass-card .check-list.ticks li::before{color:var(--warm-soft)}

/* ---------- 图卡（研究/收纳） ---------- */
.media-tile{border-radius:20px;overflow:hidden;position:relative;background:var(--soft);aspect-ratio:1/1}
.media-tile img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.media-tile:hover img{transform:scale(1.05)}
.media-tile.cap::after{content:attr(data-cap);position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;font-size:12.5px;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.72))}.banner-quote{background:var(--dark);color:#fff;border-radius:var(--radius);padding:64px clamp(32px,6vw,90px);text-align:center}
.banner-quote p{font-family:var(--serif);font-size:clamp(24px,3vw,38px);line-height:1.5;max-width:900px;margin:0 auto}
.banner-quote .by{font-family:var(--sans);font-size:13px;letter-spacing:.16em;color:rgba(255,255,255,.5);margin-top:26px;text-transform:uppercase}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:var(--paper)}
table.data-table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}
.data-table th{background:#efefea;text-align:left;padding:16px 18px;font-size:12.5px;letter-spacing:.08em;color:#5d5c56;font-weight:600;white-space:nowrap}
.data-table td{padding:15px 18px;border-top:1px solid var(--line);vertical-align:top;color:#4c4b46}
.data-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.data-table tr:hover td{background:rgba(0,0,0,.018)}
.data-table .small{font-size:12.5px;color:var(--muted)}

/* ---------- 环保等级金字塔 ---------- */
.eco-pyramid{display:flex;flex-direction:column;align-items:center;gap:10px;margin:0}
.eco-level{width:var(--w);padding:18px 24px;border-radius:14px;background:#e7e7e1;text-align:center}
.eco-level.top{background:var(--dark);color:#fff;width:34%}
.eco-level b{display:block;font-size:18px;font-family:var(--serif)}
.eco-level span{font-size:12px;color:var(--muted)}
.eco-level.top span{color:rgba(255,255,255,.62)}
.eco-level.l2{width:48%}.eco-level.l3{width:64%}.eco-level.l4{width:82%}

/* ---------- 价格卡 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price-card{border:1px solid var(--line);border-radius:24px;padding:34px 30px;background:var(--paper);display:flex;flex-direction:column}
.price-card.featured{background:var(--dark);color:#fff;border-color:var(--dark);box-shadow:0 30px 70px rgba(0,0,0,.22)}
.price-card .tier{font-size:12px;letter-spacing:.16em;color:var(--warm);margin-bottom:14px;font-weight:600}
.price-card h3{font-size:24px;margin-bottom:6px}
.price-card .price{font-family:var(--serif);font-size:34px;margin:14px 0 4px}
.price-card .price small{font-size:13px;font-family:var(--sans);color:var(--muted)}
.price-card.featured .price small{color:rgba(255,255,255,.55)}
.price-card .price-note{font-size:12px;color:var(--muted-2);margin-bottom:20px}
.price-card.featured .price-note{color:rgba(255,255,255,.5)}
.price-card ul{margin:0;padding:0;list-style:none}
.price-card li{font-size:13.5px;padding:8px 0 8px 24px;position:relative;color:#55544e;border-bottom:1px dashed rgba(20,20,20,.07)}
.price-card.featured li{color:rgba(255,255,255,.78);border-color:rgba(255,255,255,.1)}
.price-card li::before{content:'';position:absolute;left:2px;top:15px;width:11px;height:6px;border-left:1.5px solid var(--warm);border-bottom:1.5px solid var(--warm);transform:rotate(-45deg)}
.price-card .button{margin-top:26px}

/* ---------- 案例 ---------- */
.case-study{padding:70px 0;border-top:1px solid var(--line)}
.case-study:first-of-type{border-top:0}
.case-head{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:end;margin-bottom:36px}
.case-index{font-size:12px;letter-spacing:.2em;color:#a09f97;margin-bottom:14px}
.case-head h2{font-size:clamp(32px,3.6vw,52px)}
.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.case-meta span{font-size:12px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:#5f5f58;background:rgba(255,255,255,.5)}
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ba-shot{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/3;background:var(--soft)}
.ba-shot img{width:100%;height:100%;object-fit:cover}
.ba-shot .ba-label{position:absolute;top:14px;left:14px;font-size:12px;letter-spacing:.14em;padding:6px 13px;border-radius:999px;background:rgba(16,16,16,.6);color:#fff;backdrop-filter:blur(6px)}
.ba-shot.after .ba-label{background:rgba(255,255,255,.88);color:#111}
.case-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.case-gallery .ba-shot{aspect-ratio:1/1;cursor:zoom-in}
.case-points{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:30px}
.case-points .check-list li{font-size:14px}

/* 图片灯箱 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,10,10,.92);display:none;align-items:center;justify-content:center;padding:40px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:10px}
.lightbox .lb-close{position:absolute;top:24px;right:30px;color:#fff;font-size:34px;cursor:pointer;line-height:1}

/* ---------- 关于 ---------- */
.about-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.about-intro .fr-media{aspect-ratio:4/4.4}
.founder-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border-radius:var(--radius);overflow:hidden;background:var(--paper);border:1px solid var(--line)}
.founder-card .fc-media{min-height:440px;background-size:cover;background-position:70% top}
.founder-card .fc-copy{padding:54px 48px}
.founder-card .fc-copy .name{font-family:var(--serif);font-size:38px;margin:8px 0 4px}
.founder-card .fc-copy .role{color:var(--warm);font-size:13.5px;letter-spacing:.1em;margin-bottom:24px}
.founder-card .fc-copy p{color:var(--muted);font-size:15px}
.cred-list{list-style:none;margin:24px 0 0;padding:0}
.cred-list li{padding:12px 0;border-top:1px solid var(--line);font-size:14.5px;display:flex;gap:16px}
.cred-list li b{min-width:96px;color:var(--ink);font-weight:600;font-size:13.5px}
.cred-list li span{color:var(--muted)}

/* ---------- 服务流程页 ---------- */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}
.process-step{border:1px solid var(--line);border-radius:22px;padding:30px 24px;background:var(--paper);position:relative}
.process-step .num{font-family:var(--serif);font-size:46px;line-height:1;color:#c7c4ba}
.process-step h3{font-size:20px;margin:26px 0 10px}
.process-step p{font-size:13px;color:var(--muted);margin:0}
.service-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service-card{border:1px solid var(--line);border-radius:22px;padding:30px 26px;background:var(--paper)}
.service-card h3{font-size:20px;margin-bottom:12px}
.service-card p{font-size:13.5px;color:var(--muted);margin:0}
.service-card .ico{width:42px;height:42px;border-radius:12px;background:#efede7;display:grid;place-items:center;margin-bottom:18px;color:var(--warm)}
.closed-loop{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:40px}
.closed-loop span{padding:12px 20px;border:1px solid var(--dark-line);border-radius:999px;font-size:13.5px;color:rgba(255,255,255,.82)}
.closed-loop i{font-style:normal;color:rgba(255,255,255,.35);align-self:center}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:24px 4px;font-size:19px;font-weight:500;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:26px;font-weight:300;color:var(--muted-2);transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 4px 26px;color:var(--muted);font-size:15px;max-width:760px}

/* ---------- 联系/表单 ---------- */
.contact-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:start}
.channel-list{list-style:none;margin:30px 0 0;padding:0}
.channel-list li{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.channel-list .ch-ico{width:44px;height:44px;border-radius:12px;background:#efede7;display:grid;place-items:center;color:var(--warm);flex:none}
.channel-list h4{font-size:16px;margin-bottom:4px}
.channel-list p{margin:0;font-size:14px;color:var(--muted)}
.center-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.center-card{border:1px solid var(--line);border-radius:18px;padding:22px 20px;background:var(--paper)}
.center-card b{display:block;font-size:15px;margin-bottom:6px}
.center-card span{font-size:12.5px;color:var(--muted)}
.contact-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:44px 42px;display:grid;gap:16px;box-shadow:var(--shadow-sm)}
.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:grid;gap:7px}
.contact-form label>span{font-size:12.5px;color:#74746c;letter-spacing:.04em}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid rgba(20,20,20,.12);background:#fff;border-radius:14px;padding:13px 15px;font:14px var(--sans);outline:none;transition:border-color .25s var(--ease-ios),box-shadow .25s var(--ease-ios);color:var(--ink)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#111;box-shadow:0 0 0 4px rgba(20,20,20,.06)}
.contact-form textarea{resize:vertical}
.form-note{font-size:11.5px;color:#94948b;margin:0}
.form-success{display:none;text-align:center;padding:40px 20px}
.form-success.show{display:block}
.form-success .ok{width:60px;height:60px;border-radius:50%;background:#111;color:#fff;display:grid;place-items:center;font-size:28px;margin:0 auto 20px}
.form-success h3{margin-bottom:10px}
.form-success p{color:var(--muted);font-size:14px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--dark);color:#fff;text-align:center;padding:120px 0;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 70%);pointer-events:none}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{font-size:clamp(34px,5vw,66px);font-family:var(--serif);margin-bottom:18px}
.cta-band p{color:rgba(255,255,255,.62);font-size:16px;max-width:560px;margin:0 auto 36px;line-height:1.8}

/* ---------- 页脚 ---------- */
.footer{padding:70px 0 34px;background:#111111;color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:50px;align-items:start;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.07)}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{margin:8px 0 0;color:rgba(255,255,255,.45);font-size:13px;max-width:330px;line-height:1.8}
.footer h4{font-size:13px;letter-spacing:.16em;color:rgba(255,255,255,.8);margin:0 0 18px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.45);transition:color .25s var(--ease-ios)}
.footer-links a:hover{color:#fff}
.footer-meta{font-size:12px;color:rgba(255,255,255,.38);line-height:1.9}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;font-size:12px;color:rgba(255,255,255,.35)}

/* ============================================================
   客户中心（client.html）
   ============================================================ */
/* 客户中心用 hidden 属性切换区块；因为下面给这些容器写了 display，
   必须显式声明 [hidden]，否则会被自己的 display 规则覆盖而无法隐藏。 */
.client-gate[hidden],.client-app[hidden],.client-lightbox[hidden],.client-tab-badge[hidden],.client-remark[hidden]{display:none !important}

.nav-links .nav-client{color:var(--warm);font-weight:500}
.nav.on-dark .nav-links .nav-client{color:var(--warm-soft)}

/* ---------- 未登录首屏 ---------- */
.client-gate{position:relative;min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 70px) 0 90px;background:var(--dark);color:#fff;overflow:hidden}
.client-gate-bg{position:absolute;inset:0;opacity:.30}
.client-gate-bg img{width:100%;height:100%;object-fit:cover}
.client-gate-bg:after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(12,12,12,.94) 0%,rgba(12,12,12,.72) 52%,rgba(12,12,12,.42) 100%)}
.client-gate-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.client-gate-copy h1{color:#fff;font-size:clamp(38px,4.6vw,68px)}
.client-gate-sub{max-width:520px;margin-top:24px;font-size:16.5px;line-height:1.75;color:rgba(255,255,255,.76)}
.client-gate-points{margin-top:38px;display:flex;flex-direction:column;gap:16px;font-size:14.5px;color:rgba(255,255,255,.82)}
.client-gate-points li{display:flex;align-items:center;gap:14px}
.client-gate-points span{font-family:var(--serif);font-size:12px;letter-spacing:.1em;color:var(--warm-soft);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 10px}

.client-login-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:36px 34px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.client-login-card h2{font-size:24px;font-weight:500;letter-spacing:-.02em}
.client-login-card>p{margin:10px 0 24px}
.client-login-card .field{display:block;margin-bottom:16px}
.client-login-card .field>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.client-login-card input{width:100%;font-family:inherit;font-size:15px;padding:12px 15px;border:1px solid var(--line-strong);border-radius:12px;background:#fdfdfc;outline:none;transition:border-color .2s,box-shadow .2s}
.client-login-card input:focus{border-color:#111;box-shadow:0 0 0 3px rgba(20,20,20,.07)}
.code-row{display:flex;gap:10px;align-items:stretch}
.code-row input{flex:1;min-width:0}
.code-row .button{flex:none;white-space:nowrap}
.button-block{width:100%;justify-content:center;padding:15px;margin-top:6px}
.client-hint{margin-top:16px;font-size:12.5px;line-height:1.65;color:var(--muted-2)}
.client-hint b{color:var(--ink)}
.client-hint.is-error{color:#b23c3c}

/* ---------- 已登录 ---------- */
.client-app{padding:calc(var(--nav-h) + 56px) 0 110px}
.client-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid var(--line)}
.client-hello h2{font-size:clamp(30px,3.4vw,48px);font-weight:500;letter-spacing:-.03em}
.client-hello .muted{margin-top:10px;font-size:14.5px}
.client-top-actions{display:flex;gap:10px}

.client-layout{display:grid;grid-template-columns:320px 1fr;gap:32px;margin-top:42px;align-items:start}
.client-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--nav-h) + 26px)}
.client-card{background:var(--paper);border-radius:var(--radius-sm);padding:26px;box-shadow:0 14px 40px rgba(20,22,18,.06)}
.client-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.client-code{font-family:var(--serif);font-size:12px;letter-spacing:.14em;color:var(--muted-2)}
.client-stage{background:var(--ink);color:#fff;font-size:11.5px;padding:5px 12px;border-radius:999px;white-space:nowrap}
.client-progress{display:flex;align-items:center;gap:12px;margin-top:20px}
.client-progress-track{flex:1;height:6px;border-radius:999px;background:var(--soft);overflow:hidden}
.client-progress-track i{display:block;height:100%;background:var(--ink);border-radius:999px;transition:width .5s ease}
.client-progress span{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.client-kv{display:grid;grid-template-columns:74px 1fr;gap:12px 14px;margin:22px 0 0;font-size:13.5px}
.client-kv dt{color:var(--muted-2)}
.client-kv dd{margin:0;color:var(--ink-2);line-height:1.6;word-break:break-word}
.client-remark{margin:18px 0 0;padding:14px 16px;background:var(--soft);border-radius:12px;font-size:13px;color:var(--muted);line-height:1.7}
.client-profile-card h3{font-size:16px;font-weight:500}
.client-profile-card .small{margin:10px 0 18px;line-height:1.7}
.client-profile-card .button{width:100%;justify-content:center}

.client-tabs{display:flex;gap:6px;background:var(--soft);border-radius:999px;padding:6px;margin-bottom:26px}
.client-tab{flex:1;border:0;background:transparent;border-radius:999px;padding:12px 16px;font-size:14px;color:var(--muted);cursor:pointer;transition:.2s;font-family:inherit}
.client-tab:hover{color:var(--ink)}
.client-tab.is-active{background:#fff;color:var(--ink);font-weight:500;box-shadow:0 6px 18px rgba(20,22,18,.07)}
.client-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;margin-left:4px;border-radius:999px;background:var(--ink);color:#fff;font-size:11px}

/* 时间线 */
.client-timeline{list-style:none;margin:0;padding:0;background:var(--paper);border-radius:var(--radius-sm);padding:12px 28px;box-shadow:0 14px 40px rgba(20,22,18,.06)}
.client-tl-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.client-tl-item:last-child{border-bottom:0}
.client-tl-dot{flex:none;width:14px;height:14px;border-radius:50%;background:#d6d6cf;margin-top:7px;position:relative}
.client-tl-dot:after{content:'';position:absolute;left:50%;top:20px;width:1.5px;height:calc(100% + 34px);background:var(--line);transform:translateX(-50%)}
.client-tl-item:last-child .client-tl-dot:after{display:none}
.client-tl-dot.is-done{background:#2f7d4c}
.client-tl-dot.is-active{background:var(--ink);box-shadow:0 0 0 5px rgba(20,20,20,.10)}
.client-tl-body{flex:1;min-width:0}
.client-tl-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.client-tl-head h4{font-size:16.5px;font-weight:500;letter-spacing:-.01em}
.client-tl-state{font-size:11.5px;padding:4px 11px;border-radius:999px;white-space:nowrap;background:var(--soft);color:var(--muted)}
.client-tl-state.is-done{background:#e8f4ea;color:#2f7d4c}
.client-tl-state.is-active{background:var(--ink);color:#fff}
.client-tl-body p{margin:8px 0 0;font-size:13.5px;color:var(--muted);line-height:1.7}
.client-tl-date{display:inline-block;margin-top:10px;font-size:12px;color:var(--muted-2);letter-spacing:.06em}
.client-tl-item:has(.client-tl-dot.is-active) .client-tl-head h4{font-weight:600}

/* 现场动态 */
.client-feed{display:flex;flex-direction:column;gap:22px}
.client-feed-item{background:var(--paper);border-radius:var(--radius-sm);padding:28px;box-shadow:0 14px 40px rgba(20,22,18,.06)}
.client-feed-item header{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.client-feed-date{font-size:12.5px;letter-spacing:.06em;color:var(--muted-2)}
.client-feed-stage{font-size:11.5px;padding:4px 11px;border-radius:999px;background:var(--soft);color:var(--muted)}
.client-feed-item h3{font-size:20px;font-weight:500;margin:14px 0 0;letter-spacing:-.02em}
.client-feed-text{margin:12px 0 0;font-size:14.5px;line-height:1.8;color:var(--ink-2);white-space:pre-wrap}
.client-media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:20px}
.client-media{margin:0;border-radius:12px;overflow:hidden;background:var(--soft);cursor:zoom-in;position:relative}
.client-media img{width:100%;height:170px;object-fit:cover;transition:transform .4s ease}
.client-media:hover img{transform:scale(1.03)}
.client-media-video{grid-column:1/-1;background:#111;cursor:default}
.client-media-video video{width:100%;max-height:460px;display:block;background:#111}
.client-media figcaption{padding:8px 12px;font-size:11.5px;color:var(--muted);background:var(--paper)}
.client-empty{padding:34px 18px;text-align:center;color:var(--muted-2);font-size:13.5px;list-style:none}
.client-empty-lg{background:var(--paper);border-radius:var(--radius-sm);padding:64px 30px;box-shadow:0 14px 40px rgba(20,22,18,.06)}
.client-empty-lg strong{display:block;font-size:19px;font-weight:500;color:var(--ink);margin-bottom:12px}
.client-empty-lg p{margin:0;font-size:14px;line-height:1.75;max-width:460px;margin:0 auto}

/* 资料表单 */
.client-form{background:var(--paper);border-radius:var(--radius-sm);padding:30px;box-shadow:0 14px 40px rgba(20,22,18,.06)}
.client-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.client-form .field{display:block}
.client-form .field>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.client-form .field-wide{grid-column:1/-1}
.client-form input,.client-form select,.client-form textarea{width:100%;font-family:inherit;font-size:14.5px;padding:12px 15px;border:1px solid var(--line-strong);border-radius:12px;background:#fdfdfc;outline:none;color:var(--ink);transition:border-color .2s,box-shadow .2s;resize:vertical}
.client-form input:focus,.client-form select:focus,.client-form textarea:focus{border-color:#111;box-shadow:0 0 0 3px rgba(20,20,20,.07)}
.client-form input:disabled{background:var(--soft);color:var(--muted-2)}
.client-form-actions{display:flex;align-items:center;gap:16px;margin-top:26px;flex-wrap:wrap}

.client-foot-note{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:70px;padding-top:26px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2)}

/* 灯箱 */
.client-lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,10,10,.92);display:flex;align-items:center;justify-content:center;padding:40px;cursor:zoom-out}
.client-lightbox img{max-width:100%;max-height:100%;border-radius:10px;object-fit:contain}
.client-lb-close{position:absolute;top:22px;right:28px;color:#fff;font-size:34px;line-height:1;cursor:pointer;opacity:.8}
.client-lb-close:hover{opacity:1}

@media (max-width:1080px){
  .client-layout{grid-template-columns:1fr}
  .client-side{position:static}
  .client-kv{grid-template-columns:88px 1fr}
}
@media (max-width:900px){
  .client-gate-inner{grid-template-columns:1fr;gap:40px}
  .client-gate{padding:calc(var(--nav-h) + 40px) 0 70px;min-height:0}
  .client-gate-points{margin-top:26px}
}
@media (max-width:680px){
  .client-app{padding:calc(var(--nav-h) + 32px) 0 80px}
  .client-form-grid{grid-template-columns:1fr}
  .client-form{padding:22px 18px}
  .client-card{padding:22px 18px}
  .client-timeline{padding:6px 18px}
  .client-feed-item{padding:22px 18px}
  .client-media-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .client-media img{height:130px}
  .client-login-card{padding:28px 22px}
  .client-tabs{flex-wrap:wrap}
}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:40px;z-index:300;transform:translate(-50%,24px);opacity:0;visibility:hidden;background:rgba(20,20,20,.88);color:#fff;font-size:14px;padding:14px 28px;border-radius:999px;border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);transition:all .45s var(--ease-ios);max-width:calc(100vw - 40px);text-align:center;box-shadow:0 10px 40px rgba(0,0,0,.3)}
.toast.show{transform:translate(-50%,0);opacity:1;visibility:visible}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease-ios),transform .9s var(--ease-ios)}
.reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* 网格/弹性子项允许收缩，防止宽表格、长标题在窄屏撑破布局 */
[class*="grid"]>*,.feature-row>*,.split-head>*,.split-section>*,.contact-layout>*,.case-head>*,.about-intro>*,.founder-card>*,.intro-grid>*,.editorial-grid>*,.section-heading>*{min-width:0}
.process-grid.cols-4{grid-template-columns:repeat(4,1fr)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 16px}
  .stat{border-left:0}.stat:nth-child(odd){border-left:0}
  .brand-wall{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .founder-card{grid-template-columns:1fr}
  .founder-card .fc-media{min-height:340px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:980px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex}
  .container{width:min(calc(100% - 34px),var(--max))}
  .section{padding:92px 0}.section-sm{padding:64px 0}
  .intro-grid,.section-heading,.split-head,.editorial-grid,.split-section,.about-intro,.contact-layout,.case-head{grid-template-columns:1fr;gap:40px}
  .feature-row{grid-template-columns:1fr;gap:32px;padding:36px 0}
  .feature-row.reverse .fr-media{order:0}
  .grid-4,.spec-grid,.craft-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.philosophy-points,.price-grid,.service-cards{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .life-grid{grid-template-columns:repeat(2,1fr)}
  .craft-card.wide{grid-column:span 2}
  .timeline,.process-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .brand-wall{grid-template-columns:1fr 1fr}
  .case-gallery{grid-template-columns:repeat(3,1fr)}
  .case-points{grid-template-columns:1fr}
  .center-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .showcase-copy{padding:76px 32px}
  .showcase-media{min-height:52vh}
  .contact-form{padding:32px 24px}
  .contact-form .form-row{grid-template-columns:1fr}
  .hero-content{padding-top:16vh}
  .ba-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav{padding:0 16px;height:66px}
  :root{--nav-h:66px}
  .brand-text small{display:none}
  .hero{padding-top:66px}
  .hero-content{padding:96px 0 100px}
  .hero-actions{gap:14px}
  .grid-4,.grid-3,.grid-2,.spec-grid,.life-grid,.craft-grid,.timeline,.process-grid,.brand-wall,.footer-grid,.case-gallery{grid-template-columns:1fr}
  .process-grid.cols-4{grid-template-columns:1fr 1fr}
  .craft-card.wide{grid-column:auto}
  .philosophy-points{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .glass-card{padding:26px}
  .feature-content{min-height:72vh;padding-bottom:34px}
  .contact-form .form-row{grid-template-columns:1fr}
  .founder-card .fc-copy{padding:38px 26px}
  .founder-card .fc-media{min-height:280px}
  .sub-hero{padding:calc(66px + 60px) 0 70px}
  .cta-band{padding:90px 0}
  .stat{padding:0 4px}
  .stat b{font-size:32px;white-space:nowrap;min-height:48px}
  .stat.stat-enf b{font-size:28px;min-height:48px}
  .stat span{font-size:12px;line-height:1.5;margin-top:10px}
  .closed-loop i{display:none}
  .footer-bottom{flex-direction:column;gap:6px}
  .contact-form{padding:30px 20px}
  .case-head h2{font-size:34px}
  h1{font-size:clamp(40px,11vw,64px)}
}
@media (max-width:400px){
  .stat b{font-size:28px;min-height:42px}
  .stat.stat-enf b{font-size:25px;min-height:42px}
  h1{font-size:38px}
  .container{width:calc(100% - 28px)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}