/* ============================================================
   Yinzhang Crafts — UI Design Mockup
   Theme: "Client Green" — 森林绿主色(按客户效果图) + 浅灰分区
   ------------------------------------------------------------
   快速换色指南：只需修改 :root 里的颜色令牌即可整站换肤。
   主色系：--c-ink（深底）/ --c-brass（黄铜金强调）/ --c-bg（浅底）
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root{
  /* ---- 颜色令牌 Color tokens (整站换色改这里) ---- */
  --c-ink:        #15181f;   /* 最深底色：页头/英雄区/页脚 */
  --c-ink-2:      #1d222c;   /* 深色面板(卡片/浮层) */
  --c-ink-3:      #2a3140;   /* 深色分界线 */
  --c-brass:      #1b7a47;   /* 主强调：森林绿(客户主色) */
  --c-brass-2:    #2fa35e;   /* 亮绿：悬停/深底上的文字 */
  --c-brass-deep: #022d25;   /* 深绿：链接/悬停文字 */
  --c-heading:    #022d25;   /* 分区标题暗绿(客户效果图) */
  --c-bg:         #ffffff;   /* 全站背景：白 */
  --c-band:       #f4f5f3;   /* 灰底分区：banner / Our Manufacturing Process */
  --c-paper:      #ffffff;   /* 卡片纸面 */
  --c-line:       #e4e7e4;   /* 浅色发丝线 */
  --c-text:       #022d25;   /* 正文 */
  --c-muted:      #5f6674;   /* 次级文字 */
  --c-on-ink:     #edeff4;   /* 深底上的文字 */
  --c-on-ink-mut: #a6acb9;   /* 深底上的次级文字 */
  --c-success:    #2e7d4f;
  --c-danger:     #b4372a;

  /* ---- 字体 Type tokens ---- */
  --font-display: "Manrope", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;

  /* ---- 布局/圆角/阴影 Layout ---- */
  --container: 1180px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --shadow-1: 0 2px 8px rgba(21,24,31,.06), 0 12px 32px rgba(21,24,31,.08);
  --shadow-2: 0 6px 18px rgba(21,24,31,.12), 0 24px 60px rgba(21,24,31,.16);
  --ease: cubic-bezier(.22,.7,.25,1);
  --dur: .22s;
}

/* ---------- reset & base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  margin:0; background:var(--c-bg); color:var(--c-text);
  font:500 17px/1.68 var(--font-body);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%; display:block; height:auto}
a{color:inherit}
h1,h2,h3,h4{margin:0 0 .5em; line-height:1.18; color:var(--c-text); font-weight:700}
p{margin:0 0 1em}
ul{margin:0; padding:0; list-style:none}
figure{margin:0}
::selection{background:var(--c-brass); color:var(--c-ink)}
:focus-visible{outline:2px solid var(--c-brass); outline-offset:3px; border-radius:4px}

.container{width:min(var(--container),100% - 44px); margin-inline:auto}
section{padding-block:clamp(30px,9vw,60px)}
.skip-link{
  position:absolute; left:12px; top:-64px; z-index:99; background:var(--c-ink);
  color:var(--c-on-ink); padding:10px 16px; border-radius:0 0 var(--r-sm) var(--r-sm);
  transition:top var(--dur);
}
.skip-link:focus{top:0}

/* ---------- shared typography ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font:800 .78rem/1 var(--font-body); letter-spacing:.22em; text-transform:uppercase;
  color:var(--c-brass); margin-bottom:18px;
}
.eyebrow::before{content:""; width:26px; height:2px; background:var(--c-brass)}
.h-display{font-family:var(--font-display); font-weight:800; letter-spacing:0}
h2.h-display{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.section-head{max-width:640px; margin-bottom:clamp(28px,4vw,46px)}
.section-head.center{margin-inline:auto; text-align:center}
.section-head.center .eyebrow::after{content:""; width:26px; height:2px; background:var(--c-brass)}
.section-head p.lede{color:var(--c-muted); font-size:1.05rem; margin:0}
.on-ink h2.h-display, .on-ink h3{color:var(--c-on-ink)}
.on-ink p.lede, .on-ink p{color:var(--c-on-ink-mut)}
.divider-orn{
  display:flex; align-items:center; gap:12px; justify-content:center; color:var(--c-brass); margin:6px 0 22px;
}
.divider-orn::before,.divider-orn::after{content:""; height:1px; width:60px; background:var(--c-line)}
.on-ink .divider-orn::before,.on-ink .divider-orn::after{background:var(--c-ink-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:9px; cursor:pointer;
  padding:.85rem 1.5rem; border-radius:6px; border:1px solid transparent;
  font:700 .95rem/1 var(--font-body); letter-spacing:.02em; text-decoration:none;
  transition:background var(--dur), color var(--dur), border-color var(--dur), box-shadow var(--dur), transform var(--dur);
}
.btn iconify-icon{font-size:1.1em; transition:transform var(--dur)}
.btn:hover iconify-icon{transform:translateX(3px)}
.btn-brass{background:var(--c-brass); color:#fff; border-color:var(--c-brass)}
.btn-brass:hover{background:var(--c-brass-2); border-color:var(--c-brass-2); box-shadow:0 8px 22px rgba(27,122,71,.3)}
.btn-ghost{border-color:var(--c-ink-3); color:var(--c-text); background:transparent;border-width:2px}
.btn-ghost:hover{border-color:var(--c-brass); color:var(--c-brass-deep)}
.btn-ghost.on-ink{border-color:#ccc; color:var(--c-on-ink)}
.btn-ghost.on-ink:hover{border-color:var(--c-brass); color:var(--c-brass)}
.btn-ink{background:var(--c-ink); color:var(--c-on-ink)}
.btn-ink:hover{background:var(--c-ink-2)}
.text-link{
  display:inline-flex; align-items:center; gap:7px; color:var(--c-brass-deep); font-weight:700;
  text-decoration:none; border-bottom:1px solid currentColor; padding-bottom:2px;
  transition:color var(--dur), gap var(--dur);
}
.text-link:hover{color:var(--c-ink); gap:10px}
.on-ink .text-link{color:var(--c-brass-2)}
.on-ink .text-link:hover{color:#fff}

/* ---------- header ---------- */
.navbar{
  position:sticky; top:0; z-index:50; background:color-mix(in srgb, var(--c-paper) 94%, transparent);
  border-bottom:1px solid var(--c-line); backdrop-filter:blur(10px);
  transition:box-shadow var(--dur);
}
.navbar.is-stuck{box-shadow:var(--shadow-1)}
.navbar-in{display:flex; align-items:center; justify-content:space-between; gap:20px; min-height:74px}
.brand{display:inline-flex; align-items:center; gap:12px; text-decoration:none}
.brand-logo{width:46px; height:46px; object-fit:contain; flex:none}
.brand-name{
  font-family:var(--font-display); font-weight:800; font-size:1.24rem; letter-spacing:.14em;
  color:var(--c-ink); line-height:1; text-transform:uppercase;
}
.brand-tag{
  display:block; font-family:var(--font-body); font-weight:700; font-size:.58rem;
  letter-spacing:.30em; color:var(--c-muted); margin-top:5px; text-transform:uppercase;
}
.nav{display:flex; align-items:center; flex:none}
.nav ul{display:flex; gap:4px}
.nav ul a{
  position:relative; display:block; padding:10px 13px; text-decoration:none;
  font:700 .92rem/1 var(--font-body); color:var(--c-text); border-radius:var(--r-sm);
  transition:color var(--dur), background var(--dur);
}
.nav ul a::after{
  content:""; position:absolute; left:13px; right:13px; bottom:4px; height:2px;
  background:var(--c-brass); transform:scaleX(0); transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav ul a:hover{color:var(--c-brass-deep)}
.nav ul a:hover::after,.nav ul a.is-active::after{transform:scaleX(1)}
.nav ul a.is-active{color:var(--c-brass-deep)}
.nav ul a iconify-icon{font-size:.85em; vertical-align:-1px; opacity:.75}
.nav-cta{margin-left:10px; padding:.7rem 1.2rem}
@media (max-width:1200px){
  .nav ul{gap:2px}
  .nav ul a{padding:10px 9px; font-size:.88rem}
  .nav-cta{padding:.65rem 1rem; font-size:.88rem}
}
.nav-toggle{
  display:none; background:var(--c-paper); border:1px solid var(--c-line);
  border-radius:var(--r-sm); width:46px; height:44px; cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav-toggle span{width:20px; height:2px; background:var(--c-ink); transition:transform .3s var(--ease), opacity .3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 客户版首页：英雄区 + 分区组件 ---------- */
.hero{position:relative; background:var(--c-band); padding-block:0}
.hero-in{display:grid; grid-template-columns:.8fr 1.2fr; align-items:stretch; min-height:480px; width:100%}
.hero-copy{display:flex; flex-direction:column; justify-content:center; padding-block:clamp(32px,4vw,56px); padding-right:clamp(20px,0vw,60px); padding-left:max(22px, calc((100vw - var(--container)) / 2 + 22px))}
.hero-copy .dash{width:56px; height:4px; background:var(--c-brass); margin-bottom:28px; border-radius:2px}
.hero-copy h1{font-weight:800; font-size:clamp(1.9rem,3.8vw,2.9rem); line-height:1.16; letter-spacing:-.01em; margin-bottom:.5em; color:var(--c-brass-deep)}
.hero-copy .lede{color:var(--c-muted); font-size:1.06rem; max-width:30em; margin-bottom:0}
.check-list{display:grid; gap:11px; margin:20px 0 24px}
.check-list li{display:flex; gap:12px; align-items:center; font-weight:700; font-size:.98rem}
.check-list iconify-icon{color:var(--c-brass); font-size:1.4rem; flex:none}
.hero-photo{position:relative; height:100%; align-self:center; clip-path:polygon(8% 0, 100% 0, 100% 100%, 0 100%)}
.hero-photo img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:50% 50%}
.sec{padding-block:clamp(48px,7vw,84px)}
.sec-head{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-bottom:clamp(22px,3vw,34px)}
.sec-head h2{font-weight:800; color:var(--c-heading); font-size:clamp(1.45rem,2.6vw,1.85rem); margin:0}
.sec-head .htext p{color:var(--c-muted); margin:8px 0 0; font-size:.98rem}
.sec-head .side{display:inline-flex; align-items:center; gap:8px; color:var(--c-muted); font-weight:700; font-size:.95rem; text-decoration:none; transition:color var(--dur)}
.sec-head .side:hover{color:var(--c-brass-deep)}
.band-gray{background:var(--c-band)}
.cat-card .body{padding:18px 20px 22px}
.cat-card h3{font-size:1.08rem; letter-spacing:0; font-weight:800}
.cat-card .btn-more{
  display:inline-flex; align-items:center; gap:8px; padding:9px 18px;
  border:1px solid var(--c-line); border-radius:var(--r-sm); background:var(--c-bg); color:var(--c-text);
  font:700 .86rem var(--font-body); cursor:pointer;
  transition:border-color var(--dur), color var(--dur), background var(--dur);
}
.cat-card:hover .btn-more{border-color:var(--c-brass); color:var(--c-brass-deep); background:color-mix(in srgb, var(--c-brass) 6%, var(--c-paper))}
.cap-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.cap-item img{width:100%; aspect-ratio:1/1; object-fit:cover; border-radius:var(--r-sm)}
.cap-item h3{text-align:center; font-size:1.12rem; font-weight:800; margin:18px 0 10px}
.cap-item p{text-align:center; color:var(--c-muted); font-size:.95rem; margin:0}
.mstep-grid{display:grid; grid-template-columns:repeat(6,1fr); gap:16px}
.mstep{position:relative; min-width:0}
.mstep img{width:100%; aspect-ratio:1/1; object-fit:cover; border-radius:6px}
.mstep h3{font-size:.95rem; font-weight:800; margin:12px 0 4px; line-height:1.3; color:var(--c-text)}
.mstep p{color:var(--c-muted); font-size:.84rem; margin:0}
.mstep .arrow{position:absolute; right:-16px; top:40%; z-index:2; color:var(--c-brass); font-size:1.2rem}
.mstep:last-child .arrow{display:none}
.why-grid{display:grid; grid-template-columns:repeat(4,1fr)}
.why-item{text-align:center; padding:8px 24px; border-left:1px solid var(--c-line)}
.why-item:first-child{border-left:none}
.why-item iconify-icon,.why-item i{font-size:2.1rem; color:var(--c-text); margin-bottom:14px}
.why-item h3{font-size:1.02rem; font-weight:800; margin-bottom:.4em}
.why-item p{color:var(--c-muted); font-size:.92rem; margin:0}

/* 效果图配色：客户版首页专用微调 */
.sec-head .side{color:var(--c-brass-deep)}
.btn-more{
  background:var(--c-paper); border-color:var(--c-line);
}

/* ---------- footer (沿用本站设计) ---------- */
.cta-photo{position:relative; color:#fff; overflow:hidden}
.cta-photo .bgimg{position:absolute; inset:0; background:url("../../assets/img/cta-coins.jpg") center/cover}
.cta-photo .bgimg::after{content:""; position:absolute; inset:0; background:linear-gradient(90deg, rgba(10,16,12,.92) 0%, rgba(10,16,12,.78) 45%, rgba(10,16,12,.52) 100%)}
.cta-photo .container{position:relative; display:flex; align-items:center; justify-content:space-between; gap:22px; flex-wrap:wrap; padding-block:clamp(38px,5.5vw,60px)}
.cta-photo h2{color:#fff; font-weight:800; font-size:clamp(1.35rem,2.4vw,1.8rem); margin-bottom:.3em}
.cta-photo p{color:rgba(255,255,255,.72); margin:0}
.cta-photo .container > div:first-child{flex:1 1 420px; min-width:0}
.cta-photo p{max-width:46em}
.cta-photo .actions{display:flex; gap:14px; flex-wrap:wrap}
.btn-wa{background:#1b7a47; color:#fff; border-color:#1b7a47}
.btn-wa:hover{background:#1fb857; border-color:#1fb857; box-shadow:0 8px 22px rgba(37,211,102,.35)}
@media (max-width:1080px){
  .cap-grid{grid-template-columns:1fr; max-width:560px; margin-inline:auto}
  .mstep-grid{grid-template-columns:repeat(3,1fr)}
  .mstep .arrow{display:none}
  .why-grid{grid-template-columns:repeat(2,1fr); gap:26px 0}
  .why-item:nth-child(3){border-left:none}
}
@media (max-width:640px){
  .hero-in{grid-template-columns:1fr}
  .hero-photo{height:320px; clip-path:none}
  .hero-copy{padding-right:0}
}
@media (max-width:520px){
  .mstep-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  .why-item{border-left:none; border-top:1px solid var(--c-line); padding-top:22px}
  .why-item:first-child{border-top:none}
}

/* ---------- category / product cards ---------- */
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:22px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:22px}
.cat-card{
  position:relative; display:block; text-decoration:none; background:transparent;
  border:none; border-radius:var(--r-md); overflow:hidden;
  transition:transform .3s var(--ease);
}
.cat-card:hover{transform:translateY(-4px)}
.cat-card .ph{aspect-ratio:4/3; overflow:hidden; border-radius:6px; background:var(--c-ink-2)}
.cat-card .ph img{width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease)}
.cat-card:hover .ph img{transform:scale(1.05)}
.cat-card .body{padding:16px 2px 4px}
.cat-card h3{font-size:1.08rem; letter-spacing:0; font-weight:800; color:var(--c-text)}
.cat-card p{color:var(--c-muted); font-size:.92rem; margin-bottom:1em}
.cat-card .more{
  display:inline-flex; align-items:center; gap:7px; color:var(--c-brass-deep);
  font-weight:800; font-size:.86rem; text-transform:uppercase; letter-spacing:.08em;
}
.cat-card .more iconify-icon{transition:transform var(--dur)}
.cat-card:hover .more{color:var(--c-brass-deep)}
.cat-card:hover .more iconify-icon{transform:translateX(4px)}
.tag-row{display:flex; flex-wrap:wrap; gap:8px}
.tag{
  display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:999px;
  background:var(--c-bg); border:1px solid var(--c-line); color:var(--c-muted);
  font-size:.8rem; font-weight:700;
}
.tag.brand{background:color-mix(in srgb, var(--c-brass) 12%, var(--c-paper)); border-color:color-mix(in srgb, var(--c-brass) 35%, var(--c-line)); color:var(--c-brass-deep)}

/* ---------- dark band: process teaser ---------- */
.band-ink{background:var(--c-ink); color:var(--c-on-ink)}
.steps-flow{
  --steps-gap: 22px;
  display:grid; grid-template-columns:repeat(7,1fr); gap:var(--steps-gap);
}
.step-tile{
  position:relative; background:var(--c-ink-2); border:1px solid var(--c-ink-3);
  border-radius:var(--r-md); padding:18px 14px 20px; text-align:center;
  transition:border-color var(--dur), transform .3s var(--ease), background var(--dur);
}
.step-tile:hover{border-color:var(--c-brass); transform:translateY(-4px); background:var(--c-ink-2)}
.step-tile .no{
  font-family:var(--font-display); font-weight:700; font-size:.8rem; letter-spacing:.2em;
  color:var(--c-brass-2); display:block; margin-bottom:12px;
}
.step-tile iconify-icon{font-size:1.7rem; color:var(--c-brass); margin-bottom:10px}
.step-tile .nm{display:block; font-weight:700; font-size:.86rem; color:var(--c-on-ink); line-height:1.35}
.steps-arrow{
  position:absolute; left:100%; top:50%;
  margin-left:calc(var(--steps-gap) / 2);
  translate:-50% -50%; z-index:2;
  display:block;
  color:var(--c-brass); font-size:.95rem; opacity:.9;
  transition:color var(--dur);
}
.step-tile:hover .steps-arrow{color:var(--c-brass-2)}
.step-tile:last-child .steps-arrow{display:none}

/* ---------- stats band ---------- */
.stats-band{border-block:1px solid var(--c-line); background:var(--c-paper)}
.stats-band .container{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px; padding-block:40px;
  text-align:center;
}
.stat .num{
  font-family:var(--font-display); font-weight:700; color:var(--c-ink); font-size:clamp(1.8rem,3.4vw,2.5rem); line-height:1;
}
.stat .num em{font-style:normal; color:var(--c-brass)}
.stat .lbl{margin-top:8px; font-size:.8rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--c-muted)}

/* ---------- value cards ---------- */
.value-card{
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-md);
  padding:26px 24px; transition:box-shadow var(--dur), transform .3s var(--ease), border-color var(--dur);
}
.value-card:hover{box-shadow:var(--shadow-1); transform:translateY(-4px); border-color:color-mix(in srgb, var(--c-brass) 45%, var(--c-line))}
.value-card iconify-icon{
  font-size:2rem; color:var(--c-brass-deep); margin-bottom:14px;
  display:inline-flex; padding:12px; border-radius:12px;
  background:color-mix(in srgb, var(--c-brass) 10%, var(--c-paper));
  border:1px solid color-mix(in srgb, var(--c-brass) 22%, var(--c-line));
}
.value-card h3{font-size:1.05rem; margin-bottom:.45em}
.value-card p{color:var(--c-muted); font-size:.93rem; margin:0}

/* ---------- split feature ---------- */
.split{display:grid; grid-template-columns:1.04fr .96fr; gap:clamp(28px,5vw,64px); align-items:center}
.split .media{position:relative}
.split .media img{border-radius:var(--r-md); box-shadow:var(--shadow-1); border:1px solid var(--c-line); width:100%; aspect-ratio:4/3; object-fit:cover}
.split .media .deco{
  position:absolute; z-index:-1; width:104%; height:104%; top:-3%; right:-3%;
  border:1px solid var(--c-brass); border-radius:var(--r-md); opacity:.5;
}
.split ul.feat{display:grid; gap:12px; margin:0 0 1.6em}
.split ul.feat li{display:flex; gap:11px; align-items:flex-start; color:var(--c-muted)}
.split ul.feat li iconify-icon{color:var(--c-brass); font-size:1.6rem; margin-top:2px; flex:none}
.split ul.feat li b{color:var(--c-text)}

/* ---------- page hero (interior) ---------- */
.page-hero{background:var(--c-bg); border-bottom:1px solid var(--c-line); padding-block:clamp(44px,6vw,36px)}
.page-hero .eyebrow{color:var(--c-brass-deep)}
.page-hero h1{font-weight:800; font-size:clamp(1.9rem,3.6vw,2.7rem); letter-spacing:-.01em; margin-bottom:.3em}
.page-hero p.lede{color:var(--c-muted); max-width:44em; margin:0; font-size:1.03rem}
.crumbs{display:flex; gap:8px; align-items:center; font-size:.84rem; color:var(--c-muted); margin-bottom:20px}
.crumbs a{color:var(--c-muted); text-decoration:none; transition:color var(--dur)}
.crumbs a:hover{color:var(--c-brass-deep)}
.crumbs iconify-icon{font-size:.8rem}
.crumbs .cur{color:var(--c-brass-deep); font-weight:700}

/* anchor chip nav (products) */
.chip-nav{
  position:sticky; top:74px; z-index:40; background:color-mix(in srgb, var(--c-bg) 92%, transparent);
  backdrop-filter:blur(8px); border-block:1px solid var(--c-line);
}
.chip-nav .container{display:flex; gap:10px; padding-block:12px; overflow-x:auto; scrollbar-width:none}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex; align-items:center; gap:7px; padding:9px 16px; border-radius:999px;
  border:1px solid var(--c-line); background:var(--c-paper); color:var(--c-text);
  font-size:.86rem; font-weight:700; text-decoration:none; white-space:nowrap;
  transition:color var(--dur), border-color var(--dur), background var(--dur);
}
.chip:hover,.chip.active{border-color:var(--c-brass); color:var(--c-brass-deep); background:color-mix(in srgb, var(--c-brass) 10%, var(--c-paper))}
.chip iconify-icon{font-size:1.05rem}

/* product category section */
.cat-section{padding-block:clamp(48px,6vw,80px)}
.cat-section + .cat-section{border-top:1px dashed var(--c-line)}
.cat-head{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:26px; flex-wrap:wrap}
.cat-head h2{font-family:var(--font-display); font-size:clamp(1.4rem,2.6vw,1.9rem); margin:0}
.cat-head .sub{color:var(--c-muted); max-width:56em; margin:6px 0 0}
.cat-specs{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:24px}
.product-tile{
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-md); overflow:hidden;
  transition:box-shadow var(--dur), border-color var(--dur), transform .3s var(--ease);
}
.product-tile:hover{box-shadow:var(--shadow-1); border-color:color-mix(in srgb, var(--c-brass) 50%, var(--c-line)); transform:translateY(-3px)}
.product-tile img{width:100%; aspect-ratio:4/3; object-fit:cover}
.product-tile figcaption{padding:13px 16px; font-size:.88rem; font-weight:700; color:var(--c-muted); display:flex; gap:8px; align-items:center}
.product-tile figcaption iconify-icon{color:var(--c-brass-deep)}
.cta-card{
  display:flex; flex-direction:column; justify-content:center; text-align:center; gap:6px;
  background:var(--c-ink); color:var(--c-on-ink); border-radius:var(--r-md); padding:28px 22px;
  border:1px solid var(--c-ink-3);
}
.cta-card iconify-icon{color:var(--c-brass-2); font-size:2rem}
.cta-card h4{font-family:var(--font-display); color:var(--c-on-ink); font-size:1.05rem; margin:.3em 0}
.cta-card p{color:var(--c-on-ink-mut); font-size:.85rem; margin-bottom:1em}
.cta-card .btn{align-self:center}

/* info strip under sections */
.strip{
  display:flex; align-items:center; gap:18px; flex-wrap:wrap;
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-md);
  padding:20px 26px; box-shadow:var(--shadow-1);
}
.strip iconify-icon{font-size:1.9rem; color:var(--c-brass-deep)}
.strip b{display:block}
.strip small{color:var(--c-muted)}

/* ---------- timeline (about) ---------- */
.timeline{position:relative; max-width:820px; margin-inline:auto; padding-left:34px}
.timeline::before{
  content:""; position:absolute; left:10px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(var(--c-brass), var(--c-line));
}
.tl-item{position:relative; padding:0 0 34px 22px}
.tl-item::before{
  content:""; position:absolute; left:-31px; top:4px; width:18px; height:18px; border-radius:50%;
  background:var(--c-bg); border:3px solid var(--c-brass); box-shadow:0 0 0 4px color-mix(in srgb, var(--c-brass) 18%, transparent);
}
.tl-item .year{font-family:var(--font-display); font-weight:700; color:var(--c-brass-deep); letter-spacing:.08em; font-size:1rem}
.tl-item h3{font-size:1.1rem; margin:.3em 0 .3em; color:inherit}
.tl-item p{color:var(--c-muted);margin:0}
.band-ink .tl-item .year{color:var(--c-brass-2)}
.band-ink .tl-item p{color:var(--c-on-ink-mut)}

/* ---------- process page steps ---------- */
.proc{display:grid; gap:26px; position:relative; max-width:980px; margin-inline:auto}
.proc::before{
  content:""; position:absolute; left:37px; top:20px; bottom:20px; width:2px;
  background:repeating-linear-gradient(var(--c-brass) 0 7px, transparent 7px 13px); opacity:.55;
}
.proc-step{
  position:relative; display:grid; grid-template-columns:76px 1fr; gap:22px;
}
.proc-step .coil{
  width:76px; height:76px; border-radius:50%; background:var(--c-brass); color:#fff;
  display:flex; flex-direction:column; align-items:center; justify-content:center; z-index:1;
  border:3px solid var(--c-brass-deep); box-shadow:var(--shadow-1);
  font-family:var(--font-display); font-weight:700;
}
.proc-step .coil small{font-size:.72rem; color:rgba(255,255,255,.78); letter-spacing:.14em}
.proc-step .coil b{font-size:1.3rem; line-height:1}
.proc-step .card{
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-md);
  padding:24px 26px; transition:box-shadow var(--dur), border-color var(--dur);
}
.proc-step:hover .card{box-shadow:var(--shadow-1); border-color:color-mix(in srgb, var(--c-brass) 50%, var(--c-line))}
.proc-step h3{display:flex; align-items:center; gap:11px; font-size:1.18rem; letter-spacing:.02em}
.proc-step h3 iconify-icon{color:var(--c-brass-deep); font-size:1.4rem}
.proc-step .desc{color:var(--c-muted); max-width:52em}
.proc-meta{display:flex; flex-wrap:wrap; gap:9px; margin-top:14px}
.proc-meta .tag{background:var(--c-bg)}
.proc-meta .tag b{color:var(--c-brass-deep)}

/* ---------- quality control ---------- */
.qc-gate{
  display:grid; grid-template-columns:96px 1fr; gap:26px; align-items:flex-start;
  background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-md);
  padding:30px; margin-bottom:22px; transition:box-shadow var(--dur), border-color var(--dur);
}
.qc-gate:hover{box-shadow:var(--shadow-1); border-color:color-mix(in srgb, var(--c-brass) 55%, var(--c-line))}
.qc-gate .gno{
  background:color-mix(in srgb, var(--c-brass) 10%, var(--c-paper)); border:1px solid color-mix(in srgb, var(--c-brass) 30%, var(--c-line));
  border-radius:var(--r-md); padding:16px 10px; text-align:center;
}
.qc-gate .gno .n{font-family:var(--font-display); font-weight:700; font-size:1.5rem; color:var(--c-brass-deep); line-height:1}
.qc-gate .gno .t{font-size:.68rem; letter-spacing:.22em; color:var(--c-muted); font-weight:800; margin-top:5px}
.qc-gate h3{display:flex; align-items:center; gap:10px; font-size:1.2rem; margin-bottom:.45em}
.qc-gate h3 iconify-icon{color:var(--c-brass-deep)}
.qc-checks{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px 26px; margin-top:14px}
.qc-checks li{display:flex; gap:9px; align-items:flex-start; color:var(--c-muted); font-size:.95rem}
.qc-checks li iconify-icon{color:var(--c-success); flex:none; font-size:1.4rem; margin-top:1px}

/* ---------- contact ---------- */
.contact-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(24px,4vw,48px); align-items:start}
.info-card{background:var(--c-ink); color:var(--c-on-ink); border-radius:var(--r-md); padding:30px; position:sticky; top:100px;
  border:1px solid var(--c-ink-3); overflow:hidden}
.info-card::before{content:""; position:absolute; inset:0; background:radial-gradient(500px 220px at 100% 0%, rgba(192,149,60,.15), transparent 70%)}
.info-card > *{position:relative}
.info-card h3{font-family:var(--font-display); color:var(--c-on-ink); font-size:1.25rem}
.info-card .head-lead{color:var(--c-on-ink-mut); font-size:.94rem}
.info-list{display:grid; gap:6px; margin:20px 0}
.info-list a,.info-list .row{
  display:flex; gap:14px; align-items:center; padding:13px 14px; border-radius:var(--r-sm);
  text-decoration:none; color:var(--c-on-ink); transition:background var(--dur);
  border:1px solid var(--c-ink-3); background:var(--c-ink-2);
}
.info-list a:hover{background:var(--c-ink-3); border-color:var(--c-brass)}
.info-list iconify-icon{color:var(--c-brass-2); font-size:1.5rem; flex:none}
.info-list .k{display:block; font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--c-on-ink-mut); font-weight:800}
.info-list .v{display:block; font-weight:700; font-size:1rem; overflow-wrap:anywhere}
.info-note{display:flex; gap:10px; align-items:flex-start; color:var(--c-on-ink-mut); font-size:.85rem}
.info-note iconify-icon{color:var(--c-brass-2); flex:none; font-size:1.2rem}

.form-card{background:var(--c-paper); border:1px solid var(--c-line); border-radius:var(--r-md); padding:clamp(24px,3.4vw,38px); box-shadow:var(--shadow-1)}
.form-card h3{font-family:var(--font-display); font-size:1.3rem}
.form-card .form-lead{color:var(--c-muted); font-size:.93rem}
/* 联系页右栏：表单改为 Email / WhatsApp 两个大按钮 */
.contact-actions{display:flex; flex-direction:column; gap:14px; margin-top:26px}
.contact-actions .btn{
  width:100%; justify-content:center; padding:1.15rem 1.5rem;
  font-size:1.05rem; border-radius:var(--r-sm);
}
.contact-actions .btn iconify-icon{font-size:1.4rem}
.contact-actions .btn:hover{transform:translateY(-2px)}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.field{display:flex; flex-direction:column; gap:7px}
.field.full{grid-column:1/-1}
.field label{font:800 .8rem/1 var(--font-body); letter-spacing:.1em; text-transform:uppercase; color:var(--c-text)}
.field label .opt{color:var(--c-muted); font-weight:600; text-transform:none; letter-spacing:0}
.field input,.field select,.field textarea{
  font:500 1rem/1.5 var(--font-body); color:var(--c-text);
  padding:12px 14px; border:1px solid var(--c-line); border-radius:var(--r-sm);
  background:var(--c-bg); width:100%; transition:border-color var(--dur), box-shadow var(--dur), background var(--dur);
}
.field select{cursor:pointer}
.field textarea{resize:vertical; min-height:110px}
.field input:hover,.field textarea:hover,.field select:hover{border-color:#cfc5ae}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--c-brass); background:var(--c-paper);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--c-brass) 20%, transparent);
}
.field input::placeholder,.field textarea::placeholder{color:#9aa2b1}
.upload-zone{
  border:1.5px dashed #cfc5ae; border-radius:var(--r-sm); background:var(--c-bg);
  padding:20px; text-align:center; cursor:pointer; transition:border-color var(--dur), background var(--dur);
}
.upload-zone:hover{border-color:var(--c-brass); background:color-mix(in srgb, var(--c-brass) 6%, var(--c-bg))}
.upload-zone input{display:none}
.upload-zone iconify-icon{font-size:1.7rem; color:var(--c-brass-deep)}
.upload-zone .u1{font-weight:800; margin:6px 0 2px}
.upload-zone .u2{color:var(--c-muted); font-size:.8rem}
.form-actions{display:flex; align-items:center; gap:18px; flex-wrap:wrap; margin-top:20px}
.form-actions .note{color:var(--c-muted); font-size:.82rem; margin:0}
.form-note-msg{display:none; background:color-mix(in srgb, var(--c-success) 10%, var(--c-paper));
  border:1px solid color-mix(in srgb, var(--c-success) 40%, transparent); color:var(--c-success);
  padding:14px 16px; border-radius:var(--r-sm); margin-top:16px; font-weight:600}
.form-note-msg.show{display:block}
.form-note-msg b{display:flex; gap:8px; align-items:center}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-ink); color:var(--c-on-ink); position:relative; overflow:hidden; text-align:center}
.cta-band::before{content:""; position:absolute; inset:0; background:radial-gradient(640px 260px at 50% 0%, rgba(192,149,60,.11), transparent 70%)}
.cta-band .container{position:relative}
.cta-band h2{font-family:var(--font-display); color:var(--c-on-ink); font-size:clamp(1.6rem,3.2vw,2.3rem); margin-bottom:.3em}
.cta-band p{color:var(--c-on-ink-mut); max-width:36em; margin:0 auto 1.6em}
.cta-band .links{display:flex; gap:14px; justify-content:center; flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink); color:var(--c-on-ink-mut); border-top:3px solid var(--c-brass)}
.footer-grid{
  display:grid; grid-template-columns:1.4fr .8fr .8fr 1.1fr; gap:clamp(24px,4vw,44px);
  padding-block:58px 40px;
}
.site-footer .brand-name{color:var(--c-on-ink)}
.footer-about p{font-size:.9rem; margin:16px 0}
.footer-h{
  font:800 .78rem/1 var(--font-body); letter-spacing:.2em; text-transform:uppercase;
  color:var(--c-brass-2); margin-bottom:18px;
}
.footer-links{display:grid; gap:10px}
.footer-links a{color:var(--c-on-ink-mut); text-decoration:none; font-size:.93rem; display:inline-flex; gap:8px; align-items:center; transition:color var(--dur)}
.footer-links a:hover{color:var(--c-brass-2)}
.footer-links iconify-icon{font-size:.85rem; color:var(--c-brass)}
.footer-contact li{display:flex; gap:10px; margin-bottom:12px; font-size:.92rem; align-items:flex-start}
.footer-contact iconify-icon{color:var(--c-brass); flex:none; font-size:1.15rem; margin-top:2px}
.footer-contact a{color:var(--c-on-ink-mut); text-decoration:none; transition:color var(--dur)}
.footer-contact a:hover{color:var(--c-brass-2)}
.footer-bottom{border-top:1px solid var(--c-ink-3)}
.footer-bottom .container{
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; padding-block:18px; font-size:.82rem;
}
.footer-bottom a{color:var(--c-on-ink-mut); text-decoration:none}
.footer-bottom a:hover{color:var(--c-brass-2)}

/* floating whatsapp */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:80; width:58px; height:58px; border-radius:50%;
  background:#25d366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.4); text-decoration:none; font-size:1.9rem;
  transition:transform .25s var(--ease), box-shadow .25s;
}
.wa-float:hover{transform:translateY(-3px); box-shadow:0 16px 34px rgba(37,211,102,.5)}

/* ---------- product detail ---------- */
.pd-layout{display:grid; grid-template-columns:1.02fr .98fr; gap:clamp(28px,4vw,56px); align-items:start}
.pd-gallery .frame-main{
  position:relative; background:var(--c-paper); border:1px solid var(--c-line);
  border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-1);
}
.pd-gallery .frame-main img{width:100%; aspect-ratio:4/3; object-fit:cover}
.pd-thumbs{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:12px}
.pd-thumb{
  padding:0; border:1px solid var(--c-line); border-radius:var(--r-sm);
  background:var(--c-paper); overflow:hidden; cursor:pointer;
  transition:border-color var(--dur), box-shadow var(--dur);
}
.pd-thumb img{width:100%; aspect-ratio:1/1; object-fit:cover; opacity:.8; transition:opacity var(--dur)}
.pd-thumb:hover img{opacity:1}
.pd-thumb.active{border-color:var(--c-brass); box-shadow:0 0 0 2px color-mix(in srgb, var(--c-brass) 25%, transparent)}
.pd-thumb.active img{opacity:1}
.pd-kicker{margin-bottom:14px}
.pd-info h1.h-display{font-size:clamp(1.5rem,2.8vw,2.1rem); margin-bottom:.3em}
.pd-meta{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px}
.pd-desc{color:var(--c-muted); max-width:44em; margin-bottom:0}
.pd-cta-row{display:flex; gap:12px; flex-wrap:wrap; margin:24px 0 10px}
.pd-note{display:flex; gap:8px; align-items:center; color:var(--c-muted); font-size:.88rem}
.pd-note iconify-icon{color:var(--c-brass-deep)}
.spec-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 28px; margin-top:20px; border-top:1px solid var(--c-line)}
.spec-item{display:flex; flex-direction:column; gap:3px; padding:12px 0; border-bottom:1px solid var(--c-line)}
.spec-item .k{font:800 .72rem/1 var(--font-body); letter-spacing:.14em; text-transform:uppercase; color:var(--c-muted)}
.spec-item .v{font-weight:700; font-size:.95rem; color:var(--c-text)}
.pd-section{padding-block:clamp(36px,5vw,64px)}
.pd-section + .pd-section{border-top:1px solid var(--c-line)}
a.product-tile{text-decoration:none; display:block}
@media (max-width:1080px){
  .pd-layout{grid-template-columns:1fr}
}
@media (max-width:760px){
  .spec-grid{grid-template-columns:1fr}
}

/* ---------- reveal animation ---------- */
.reveal{opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); transition-delay:var(--d,0ms)}
.reveal.in-view{opacity:1; transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1; transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps-flow{grid-template-columns:repeat(4,1fr)}
  .step-tile:nth-child(4) .steps-arrow{display:none}
  .steps-flow .step-tile:nth-child(4){grid-column:1}
}
@media (max-width:880px){
  .split{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .info-card{position:static}
  .qc-gate{grid-template-columns:1fr; padding:26px 22px}
  .qc-gate .gno{display:inline-flex; gap:8px; align-items:baseline; width:auto; padding:10px 16px}
  .qc-checks{grid-template-columns:1fr}
  .stats-band .container{grid-template-columns:repeat(2,1fr); gap:28px 12px}
}
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .nav{
    position:absolute; top:100%; left:0; right:0; background:var(--c-paper);
    border-bottom:1px solid var(--c-line); box-shadow:var(--shadow-1);
    display:none; padding:14px 22px 22px; flex-direction:column; align-items:stretch;
  }
  .nav.open{display:flex}
  .nav ul{flex-direction:column; gap:2px}
  .nav ul a{padding:13px 10px; border-bottom:1px solid var(--c-line); font-size:.95rem}
  .nav ul a::after{display:none}
  .nav-cta{margin:14px 0 0; justify-content:center; width:100%}
}
@media (max-width:760px){
  .navbar-in{min-height:64px}
  .chip-nav{top:64px}
  .steps-flow{grid-template-columns:repeat(2,1fr)}
  .step-tile .steps-arrow{display:none}
  .proc-step{grid-template-columns:56px 1fr; gap:14px}
  .proc-step .coil{width:56px; height:56px}
  .proc-step .coil b{font-size:1rem}
  .proc::before{left:27px}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom .container{justify-content:center; text-align:center}
  .cat-head{flex-direction:column; align-items:flex-start}
}

/* ---- single-product related: 图片框固定 800x533 比例 ---- */
.pd-related .cat-card .ph{aspect-ratio:800/533}