/* ============================================
   至尚人居 - Elementis 风格重设计
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg-cream: #ced1bf;
  --bg-white: #ffffff;
  --bg-dark: #30493d;
  --text-primary: #222222;
  --text-secondary: #666666;
  --text-muted: #999999;
  --green-primary: #30493d;
  --green-dark: #243a30;
  --green-light: #4abf7a;
  --gold: #c9a96e;
  --gold-light: #e8d5a3;
  --border-light: #e0ddd5;
  --overlay-dark: rgba(0,0,0,0.45);
  --primary: #30493d;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Segoe UI Variable", Arial, Helvetica, "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-serif: "Songti SC", Georgia, "Times New Roman", serif;
  --font-display: "PingFang SC", "Microsoft YaHei", "San Francisco", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --max-width: 1280px;
}

/* --- Progressive image loading: disabled to prevent flicker/scroll jump --- */
img[data-blur-load]{
  filter:none;
  transform:none;
  opacity:1;
}

/* --- Reset --- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:clamp(14px,1.2vw,18px);background:#ced1bf}
body{background:#ced1bf}
body{
  font-family:var(--font-sans);color:var(--text-primary);
  background:var(--bg-cream);line-height:1.8;font-size:1rem;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
img[src*=".jpg"],img[src*=".jpeg"],img[src*=".png"]{background:var(--bg-cream);min-height:100px}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:700;line-height:1.2}
.container{max-width:var(--max-width);margin:0 auto;padding:0 32px}
@media(max-width:768px){.container{padding:0 20px}}

/* --- Overlay Navigation --- */
.nav-overlay{
  position:fixed;top:0;left:0;width:320px;height:100%;z-index:2000;
  background:rgba(48,73,61,0.85);color:rgba(255,255,255,0.9);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  transform:translateX(-100%);transition:transform 0.5s var(--ease-out);
  display:flex;flex-direction:column;box-shadow:4px 0 24px rgba(0,0,0,0.15);
}
.nav-overlay.open{transform:translateX(0)}

.nav-overlay-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:28px 32px;border-bottom:1px solid rgba(255,255,255,0.12);
}
.nav-overlay-logo{font-family:var(--font-sans);font-size:1.1rem;font-weight:700;letter-spacing:3px;color:#fff}
.nav-overlay-close{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:1.2rem;color:rgba(255,255,255,0.7);background:transparent;
  border:1px solid rgba(255,255,255,0.25);border-radius:50%;transition:var(--transition);
}
.nav-overlay-close:hover{background:rgba(255,255,255,0.1);color:#fff}

.nav-overlay-body{
  flex:1;display:flex;align-items:flex-start;justify-content:flex-start;
  padding:40px 32px;overflow-y:auto;
}
.nav-overlay-list{text-align:left;width:100%}
.nav-overlay-item{
  display:block;font-family:var(--font-sans);font-size:1.1rem;
  font-weight:500;letter-spacing:2px;padding:16px 0;
  color:rgba(255,255,255,0.7);transition:var(--transition);position:relative;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.nav-overlay-item:last-child{border-bottom:none}
.nav-overlay-item:hover,.nav-overlay-item.active{color:#fff;padding-left:8px}
.nav-overlay-num{font-size:0.7rem;color:rgba(255,255,255,0.35);display:inline-block;vertical-align:middle;margin-right:16px;width:20px;}
.nav-overlay-label{vertical-align:middle}
.nav-overlay-arrow{float:right;font-size:1.2rem;color:rgba(255,255,255,0.4);transition:transform 0.3s;line-height:1}
.nav-overlay-item.has-sub .nav-overlay-row{cursor:pointer;display:flex;align-items:center}
.nav-overlay-item.has-sub .nav-overlay-row:hover{color:#fff}
.nav-overlay-sub{max-height:0;overflow:hidden;transition:max-height 0.4s ease}
.nav-overlay-item.has-sub.open .nav-overlay-arrow{transform:rotate(90deg)}
.nav-overlay-item.has-sub.open .nav-overlay-sub{max-height:500px}
.nav-overlay-sub-item{
  display:block;padding:10px 0 10px 36px;font-size:0.92rem;font-weight:400;
  letter-spacing:1px;color:rgba(255,255,255,0.5);transition:var(--transition);
  border-bottom:none;
}
.nav-overlay-sub-item:hover{color:#fff;padding-left:44px}

.nav-overlay-footer{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 32px;border-top:1px solid rgba(255,255,255,0.12);
  font-size:0.85rem;color:rgba(255,255,255,0.5);
}
.nav-overlay-footer a{color:rgba(255,255,255,0.8);font-weight:500}
.nav-overlay-footer a:hover{color:#fff;text-decoration:underline}

@media(max-width:768px){
  .nav-overlay{width:280px}
  .nav-overlay-header{padding:20px 24px;justify-content:flex-end}
  .nav-overlay-logo{display:none}
  .nav-overlay-close{width:auto;height:auto;border:none;border-radius:0;font-size:2.4rem;line-height:1;padding:0}
  .nav-overlay-close:hover{background:transparent;color:#fff}
  .nav-overlay-body{padding:24px}
  .nav-overlay-item{font-size:1rem;padding:14px 0}
  .nav-overlay-num{display:none}
  .nav-overlay-footer{padding:16px 24px;font-size:0.85rem}
}

/* --- Topbar (Always transparent glass) --- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  height:72px;padding:0 40px;color:var(--bg-white);
  background:transparent;
  transition:all 0.4s ease;
}
.topbar.scrolled{
  color:var(--text-primary);
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 12px rgba(0,0,0,0.06);
}
.page-sub .topbar{
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  color:var(--text-primary);
  box-shadow:0 1px 12px rgba(0,0,0,0.06);
}
.page-sub .topbar-nav a{
  color:var(--text-primary);
}
.page-sub .topbar-nav a:hover{
  color:var(--green-primary);
}
.page-sub .topbar-logo img{
  filter:none;
}
.page-sub .lang-switch span{
  color:var(--text-primary);
}
.page-sub .lang-switch .lang-divider{
  color:var(--text-muted);
}
.page-sub .topbar.scrolled{
  background:rgba(255,255,255,0.95)!important;
  box-shadow:0 1px 12px rgba(0,0,0,0.06)!important;
  color:var(--text-primary)!important;
}
.topbar-logo{
  display:flex;align-items:center;position:relative;
}
.topbar-logo img{
  height:40px;width:auto;display:block;position:relative;z-index:1;
}
.topbar-logo-bg{
  display:none;
}

.topbar-hamburger{
  display:none;flex-direction:column;gap:5px;cursor:pointer;
  padding:4px;z-index:2001;overflow:hidden;
}
@media(max-width:1024px){.topbar-hamburger{display:flex}}
.topbar-hamburger span{
  display:block;width:24px;height:2px;background:currentColor;
  transform-origin:center;transition:transform 0.4s ease;
}
.topbar-hamburger:hover span:nth-child(1){transform:translateY(7px)}
.topbar-hamburger:hover span:nth-child(2){opacity:0}
.topbar-hamburger:hover span:nth-child(3){transform:translateY(-7px)}

/* --- Topbar Right (nav + lang) --- */
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-nav{
  display:flex;align-items:center;gap:28px;
  font-family:var(--font-sans);font-size:0.85rem;letter-spacing:1px;
}
.topbar-nav a{
  color:currentColor;opacity:0.85;transition:var(--transition);font-weight:400;
  position:relative;padding-bottom:4px;
}
.topbar-nav a::after{
  content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;
  background:var(--green-primary);transition:width 0.3s ease,left 0.3s ease;
}
.topbar-nav a:hover::after{
  width:100%;left:0;
}
.topbar-nav a:hover{opacity:1}
.topbar-nav-cta{
  opacity:1!important;font-weight:600;
}
.topbar-nav-cta:hover{background:currentColor;color:var(--bg-white)!important;opacity:1!important}
.topbar.scrolled .topbar-nav-cta:hover{color:var(--bg-white)!important}
@media(max-width:1024px){.topbar-nav{display:none}}

/* --- Nav Dropdown (black frosted glass style) --- */
.nav-dropdown{position:relative;display:flex;align-items:center}
.nav-dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,0.6);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,0.08);border-radius:10px;
  padding:12px 0 6px;width:max-content;min-width:160px;
  opacity:0;visibility:hidden;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);
  box-shadow:0 8px 32px rgba(0,0,0,0.3),inset 0 0 0 1px rgba(255,255,255,0.04);
  pointer-events:none;
}
.nav-dropdown:hover .nav-dropdown-menu{
  opacity:1;visibility:visible;transform:translateX(-50%);
  pointer-events:auto;
}
.nav-dropdown-menu a{
  display:block;padding:9px 24px;font-size:0.82rem;letter-spacing:0.5px;
  color:rgba(255,255,255,0.75);white-space:nowrap;transition:all 0.15s;text-align:center;
}
.nav-dropdown-menu a:hover{
  background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.95);padding-left:28px;
}
.nav-dropdown > a::after{display:none}
.topbar.scrolled .nav-dropdown-menu,
.page-sub .nav-dropdown-menu{
  background:rgba(0,0,0,0.6);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,0.08);
  box-shadow:0 8px 32px rgba(0,0,0,0.3),inset 0 0 0 1px rgba(255,255,255,0.04);
}
.page-sub .nav-dropdown-menu a{
  color:rgba(255,255,255,0.75)!important;
}
.page-sub .nav-dropdown-menu a:hover{
  background:rgba(255,255,255,0.08)!important;color:rgba(255,255,255,0.95)!important;padding-left:28px;
}

/* --- Language Switcher --- */
.lang-switch{
  display:flex;align-items:center;gap:4px;cursor:pointer;
  font-family:var(--font-sans);font-size:0.85rem;letter-spacing:1px;
  color:currentColor;opacity:0.8;transition:var(--transition);
  user-select:none;
}
.lang-switch:hover{opacity:1}
.lang-switch .lang-zh,
.lang-switch .lang-en{
  padding:2px 4px;transition:var(--transition);opacity:0.5;
}
.lang-switch .lang-zh.active,
.lang-switch .lang-en.active{opacity:1;font-weight:600}
.lang-switch .lang-divider{opacity:0.3;font-size:0.8rem}

/* --- Hero Banner Slideshow --- */
.hero-banner{
  position:relative;width:100%;height:100vh;min-height:600px;
  overflow:hidden;
}
.banner-slides{position:relative;width:100%;height:100%}
.banner-slide{
  position:absolute;top:0;left:0;width:100%;height:100%;
  background-size:cover;background-position:center;
  opacity:0;visibility:hidden;transition:opacity 1.2s ease,visibility 1.2s ease;
}
.banner-slide.active{opacity:1;visibility:visible}
.banner-overlay{
  position:absolute;top:0;left:0;width:100%;height:100%;
}

/* Progress dots — force horizontal layout */
#starDots,#casesDots,#casesScrollDots,#newsScrollDots{
  display:flex !important;
  flex-direction:row !important;
  flex-wrap:nowrap !important;
  gap:16px !important;
}
.banner-content{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  text-align:center;color:var(--bg-white);width:90%;max-width:900px;z-index:2;
}
.banner-slide{--banner-title-color:inherit;--banner-subtitle-color:inherit;--banner-caption-color:inherit}
.banner-title{color:var(--banner-title-color) !important}
.banner-subtitle{color:var(--banner-subtitle-color) !important}
.banner-caption{color:var(--banner-caption-color) !important}
.banner-tag{
  display:inline-block;font-family:var(--font-sans);font-size:0.85rem;
  letter-spacing:6px;color:var(--gold);margin-bottom:20px;
}
.banner-title{
  font-size:clamp(2rem,5vw,3.8rem);font-weight:300;letter-spacing:4px;
  line-height:1.2;margin-bottom:20px;
}
.banner-subtitle{
  font-size:clamp(0.9rem,1.5vw,1.2rem);font-weight:300;
  opacity:0.8;letter-spacing:2px;margin-bottom:20px;
}
.banner-caption{
  font-size:clamp(0.8rem,1.2vw,1rem);font-weight:300;
  opacity:0.7;letter-spacing:2px;margin-bottom:32px;
}
.banner-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 40px;border:1px solid var(--gold);
  color:var(--gold);font-family:var(--font-sans);font-size:0.85rem;
  font-weight:600;letter-spacing:3px;transition:var(--transition);background:transparent;
}
.banner-btn:hover{background:var(--green-primary);color:var(--bg-white);border-color:var(--green-primary)}
.banner-indicators{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
  display:flex;gap:12px;z-index:10;
}
.banner-dot{
  width:32px;height:3px;border:none;background:rgba(255,255,255,0.3);
  cursor:pointer;transition:var(--transition);padding:0;
}
.banner-dot.active{background:var(--gold);width:48px}
@media(max-width:768px){
  .hero-banner{height:100vh;height:100dvh;min-height:480px}
  .banner-content{width:92%}
  .banner-title{font-size:clamp(1.8rem,5.5vw,2.6rem) !important;letter-spacing:1px !important;line-height:1.25 !important;margin-bottom:16px !important}
  .banner-subtitle{font-size:clamp(1rem,3.5vw,1.35rem) !important;letter-spacing:1px !important;margin-bottom:16px !important}
  .banner-caption{font-size:clamp(0.8rem,2.6vw,1rem) !important;letter-spacing:1px !important}
  .banner-tag{font-size:clamp(0.75rem,2.2vw,0.95rem) !important;margin-bottom:16px !important}
  .banner-btn{padding:clamp(6px,2vw,10px) clamp(16px,5vw,24px);font-size:clamp(0.65rem,2.5vw,0.8rem)}
  .banner-indicators{bottom:24px}
  .banner-dot{width:24px}
  .banner-dot.active{width:36px}
}

/* --- Core Business Grid --- */
.core-business-section{padding:100px 0;background:var(--bg-white)}
.core-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px;
  background:var(--border-light);
}
.core-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 32px;text-align:center;background:var(--bg-cream);
  transition:var(--transition);text-decoration:none;color:inherit;
}
.core-item:hover{background:var(--bg-white)}
.core-icon{
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--green-primary);color:var(--bg-white);
  font-size:1.5rem;margin-bottom:20px;transition:var(--transition);
}
.core-item:hover .core-icon{background:var(--green-dark);transform:scale(1.05)}
.core-item h3{font-size:1.05rem;font-weight:600;letter-spacing:2px;margin-bottom:8px}
.core-item p{font-size:0.8rem;color:var(--text-secondary);line-height:1.6}
@media(max-width:1024px){.core-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .core-grid{grid-template-columns:1fr}
  .core-item{padding:32px 24px}
  .core-icon{width:48px;height:48px;font-size:1.2rem}
}

/* --- Section Common --- */
.section{padding:140px 0}
.section-alt{background:var(--bg-white)}
.section-dark{background:var(--bg-dark);color:var(--bg-white)}
.section-header{text-align:center;margin-bottom:80px}
.section-tag{
  font-family:var(--font-sans);font-size:0.8rem;font-weight:600;
  letter-spacing:5px;text-transform:uppercase;color:var(--gold);
  display:inline-block;margin-bottom:16px;
}
.section-title{
  font-size:clamp(1.6rem,3vw,2.8rem);font-weight:300;
  letter-spacing:3px;line-height:1.2;
}
.section-dark .section-title{color:var(--bg-white)}
.section-desc{
  font-size:1rem;color:var(--text-secondary);max-width:640px;
  margin:20px auto 0;line-height:1.8;
}
.section-alt .section-desc{color:var(--text-secondary)}

/* --- Split Layout (Image + Text) --- */
.split-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:center;
}
.split-grid.reverse{direction:rtl}
.split-grid.reverse>*{direction:ltr}
.split-image{height:100%;min-height:480px;overflow:hidden}
.split-image img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.split-grid:hover .split-image img{transform:scale(1.03)}
.split-text{padding:80px 80px}
.split-text .section-tag{margin-bottom:12px}
.split-text h2{
  font-size:clamp(1.3rem,2.5vw,2rem);font-weight:300;letter-spacing:3px;
  margin-bottom:20px;
}
.split-text p{font-size:0.95rem;color:var(--text-secondary);line-height:1.9;margin-bottom:20px}
.split-text .link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-sans);font-size:0.8rem;font-weight:600;
  letter-spacing:3px;color:var(--green-primary);transition:var(--transition);
}
.split-text .link-arrow:hover{color:var(--text-primary);gap:16px}
@media(max-width:1024px){
  .split-grid,.split-grid.reverse{grid-template-columns:1fr}
  .split-text{padding:60px 32px}
  .split-image{min-height:320px}
}

/* --- Numbered Horizontal Scroll --- */
.scroll-section{padding:0;overflow:hidden;background:var(--bg-white)}
.scroll-header{
  padding:100px 0 60px;text-align:center;
}
.scroll-header .section-title{margin-bottom:12px}
.scroll-header .scroll-counter{
  font-family:var(--font-sans);font-size:0.8rem;
  letter-spacing:4px;color:var(--text-muted);
}
.scroll-wrapper{
  display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;padding-bottom:80px;
  scrollbar-width:none;
}
.scroll-slide{
  flex:0 0 100%;scroll-snap-align:start;
  display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:250px;
}
.scroll-slide .slide-image{height:250px;overflow:hidden}
.scroll-slide .slide-image img{width:100%;height:100%;object-fit:cover}
.scroll-slide .slide-text{padding:60px 80px}
.scroll-slide .slide-num{
  font-family:var(--font-sans);font-size:3rem;font-weight:200;
  color:var(--text-muted);margin-bottom:16px;
}
.scroll-slide .slide-text h3{
  font-size:1.5rem;font-weight:400;letter-spacing:2px;margin-bottom:16px;
}
.scroll-slide .slide-text p{color:var(--text-secondary);font-size:0.95rem;line-height:1.9}
@media(max-width:1024px){
  .scroll-slide{grid-template-columns:1fr;min-height:auto}
  .scroll-slide .slide-image{height:360px}
  .scroll-slide .slide-text{padding:40px 32px}
}

/* --- Cards (Flat, no shadows) --- */
.cards-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
  background:var(--border-light);
}
.card-flat{
  background:var(--bg-cream);padding:60px 40px;text-align:center;
  transition:var(--transition);
}
.card-flat:hover{background:var(--bg-white)}
.card-flat .icon{font-size:2rem;margin-bottom:20px;display:block}
.card-flat h4{font-size:1rem;font-weight:600;letter-spacing:2px;margin-bottom:12px}
.card-flat p{font-size:0.85rem;color:var(--text-secondary);line-height:1.7}
.card-flat .card-num{
  font-family:var(--font-sans);font-size:0.8rem;letter-spacing:3px;
  color:var(--text-muted);margin-bottom:20px;display:block;
}
.news-carousel-list{display:flex;flex-wrap:nowrap;gap:20px;width:max-content;padding:0 40px}
 .news-carousel-list>a{display:block;flex:0 0 auto;width:calc(25vw - 15px);text-decoration:none;box-sizing:border-box}
.news-carousel-list,.news-carousel-list *{color:#fffef2!important}
@media(max-width:1024px){.cards-grid{grid-template-columns:repeat(2,1fr)}.news-carousel-list>a{width:calc(33.333vw - 13.333px)}}
@media(max-width:767px){.cards-grid{grid-template-columns:1fr}.news-carousel-list{padding:0 20px}.news-carousel-list>a{width:calc(100vw - 80px);min-width:280px}.news-line{padding:0 20px!important}}

/* --- News Grid --- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--border-light)}
.news-card{
  background:var(--bg-cream);padding:0;overflow:hidden;transition:var(--transition);
  cursor:pointer;
}
.news-card:hover{background:var(--bg-white)}
.news-image{height:240px;overflow:hidden;background:var(--bg-cream);display:flex;align-items:center;justify-content:center}
.news-image img{width:100%;height:100%;object-fit:contain;transition:transform 1s var(--ease-out)}
.news-card:hover .news-image img{transform:scale(1.04)}
.news-body{padding:32px}
.news-meta{display:flex;align-items:center;gap:16px;font-size:0.8rem;color:var(--text-muted);margin-bottom:12px;font-family:var(--font-sans);letter-spacing:1px}
.news-cat{color:var(--gold);font-weight:600}
.news-body h3{font-size:1.05rem;font-weight:600;line-height:1.4;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(1.05rem * 1.4 * 2)}
.news-body p{font-size:0.85rem;color:var(--text-secondary);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.news-grid{grid-template-columns:1fr}}

/* --- Product List --- */
.product-grid{display:flex;flex-direction:column}
.product-row{
  display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:center;
  border-bottom:1px solid var(--border-light);
}
.product-row:last-child{border-bottom:none}
.product-row .prod-image{height:400px;overflow:hidden}
.product-row .prod-image img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}
.product-row:hover .prod-image img{transform:scale(1.03)}
.product-row .prod-info{padding:60px 80px}
.product-row .prod-info .prod-num{
  font-family:var(--font-sans);font-size:0.8rem;letter-spacing:3px;
  color:var(--text-muted);margin-bottom:12px;display:block;
}
.product-row .prod-info h3{font-size:1.3rem;font-weight:250;letter-spacing:2px;margin-bottom:12px}
.product-row .prod-info .slogan{font-size:0.8rem;color:var(--gold);letter-spacing:3px;margin-bottom:12px;font-family:var(--font-sans)}
.product-row .prod-info p{font-size:0.9rem;color:var(--text-secondary);line-height:1.8;margin-bottom:20px}
.product-row .prod-info .link-arrow{
  font-family:var(--font-sans);font-size:0.8rem;font-weight:600;
  letter-spacing:3px;color:var(--green-primary);cursor:pointer;transition:var(--transition);
  display:inline-flex;align-items:center;gap:8px;
}
.product-row .prod-info .link-arrow:hover{color:var(--text-primary);gap:16px}
@media(max-width:1024px){
  .product-row{grid-template-columns:1fr}
  .product-row .prod-image{height:300px}
  .product-row .prod-info{padding:40px 32px}
}

/* --- Cases Horizontal Scroll (Elementis-style) --- */
.cases-scroll-section{padding:80px 0 60px;overflow:hidden;background:var(--bg-white)}
.cases-scroll-header{display:flex;justify-content:space-between;align-items:flex-end;padding:0 clamp(20px,5vw,80px) 40px;max-width:1400px;margin:0 auto}
.cases-scroll-header .section-tag{margin-bottom:12px}
.cases-scroll-header .section-title{margin-bottom:0;font-size:clamp(1.6rem,3vw,2.4rem)}
.cases-scroll-counter{font-family:var(--font-display);font-size:1.1rem;color:var(--text-muted);letter-spacing:2px}
.cases-scroll-counter .cases-current{color:var(--primary);font-weight:700;font-size:1.4rem}
.cases-scroll-hint{display:flex;align-items:center;gap:10px;font-size:0.85rem;letter-spacing:2px;color:var(--text-muted);font-family:var(--font-sans);text-transform:uppercase}
.cases-scroll-arrow{width:28px;height:28px;border:1px solid var(--text-muted);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.8rem;animation:casesArrow 1.5s ease infinite}
@keyframes casesArrow{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}
.cases-scroll-track{display:flex;gap:24px;padding:40px clamp(20px,5vw,80px);overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.cases-scroll-slide{flex:0 0 min(80vw,700px);scroll-snap-align:start;position:relative;border-radius:8px;overflow:hidden;background:var(--bg-cream);cursor:pointer;transition:transform 0.4s var(--ease-out)}
.cases-scroll-slide:hover{transform:translateY(-4px)}
.cases-slide-img{width:100%;aspect-ratio:16/10;overflow:hidden}
.cases-slide-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}
.cases-scroll-slide:hover .cases-slide-img img{transform:scale(1.05)}
.cases-slide-info{padding:28px 32px}
.cases-slide-num{font-family:var(--font-display);font-size:2.5rem;font-weight:700;color:var(--primary);opacity:0.2;line-height:1;display:block;margin-bottom:8px}
.cases-slide-info h3{font-size:1.15rem;font-weight:600;margin-bottom:8px}
.cases-slide-meta{font-size:0.8rem;color:var(--text-secondary);margin-bottom:12px}
.cases-slide-meta span{color:var(--primary);font-weight:600}
.cases-slide-link{font-size:0.82rem;color:var(--primary);text-decoration:none;font-weight:500;transition:color 0.3s}
.cases-slide-link:hover{color:var(--primary-dark)}
.cases-scroll-nav{display:flex;gap:12px;padding:0 clamp(20px,5vw,80px);margin-top:24px}
.cases-nav-btn{width:44px;height:44px;border:1px solid var(--border-light);border-radius:50%;background:var(--bg-white);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:0.85rem;color:var(--text-secondary);transition:all 0.3s}
.cases-nav-btn:hover{background:var(--primary);color:var(--bg-white);border-color:var(--primary)}
.cases-scroll-bottom{text-align:center;margin-top:40px}
.cases-view-all{font-size:0.9rem;color:var(--primary);text-decoration:none;font-weight:500;letter-spacing:1px}
.cases-view-all:hover{text-decoration:underline}
@media(max-width:768px){
  .cases-scroll-header{flex-direction:column;align-items:flex-start;gap:16px}
  .cases-scroll-slide{flex:0 0 min(85vw,400px)}
  .cases-slide-info{padding:20px 24px}
}

/* --- 十大保障 Section --- */
.guarantees-section{padding:80px 0;background:var(--bg-cream)}
.guarantees-section .section-header{text-align:center;margin-bottom:56px}
.guarantees-section .section-tag{margin-bottom:12px}
.guarantees-section .section-title{margin-bottom:16px}
.guarantees-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;max-width:1200px;margin:0 auto;background:var(--border-light)}
.guarantee-card{background:var(--bg-white);padding:36px 24px;text-align:center;transition:all 0.4s var(--ease-out);position:relative;overflow:hidden}
.guarantee-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--primary);transform:scaleX(0);transition:transform 0.4s var(--ease-out);transform-origin:left}
.guarantee-card:hover::before{transform:scaleX(1)}
.guarantee-card:hover{background:var(--bg-white);box-shadow:0 8px 32px rgba(0,0,0,0.08)}
.guarantee-num{font-family:var(--font-display);font-size:2.2rem;font-weight:700;color:var(--primary);line-height:1;margin-bottom:12px}
.guarantee-card h3{font-size:0.95rem;font-weight:600;margin-bottom:8px}
.guarantee-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.6}
.guarantee-icon{width:48px;height:48px;background:rgba(0,69,66,0.06);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.2rem;color:var(--primary)}
@media(max-width:1024px){.guarantees-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.guarantees-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.guarantees-grid{grid-template-columns:1fr}}

/* --- Page Header (inner pages) --- */
.page-header{
  height:60vh;min-height:400px;display:flex;align-items:center;justify-content:center;
  text-align:center;color:var(--bg-white);position:relative;overflow:hidden;
}
.page-header-bg{
  position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.page-header .page-overlay{
  position:absolute;top:0;left:0;width:100%;height:100%;
  z-index:1;
}
.page-header .container{position:relative;z-index:2}
.page-header h1{font-size:clamp(2rem,4vw,3.5rem);font-weight:300;letter-spacing:6px;margin-bottom:16px}
.page-header p{font-size:1rem;opacity:0.7;letter-spacing:3px;font-weight:300}
@media(max-width:768px){.page-header{height:50vh;min-height:300px}}

/* --- CTA --- */
.cta-section{
  padding:120px 0;text-align:center;background:var(--bg-dark);color:var(--bg-white);
}
.cta-section h2{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:300;letter-spacing:4px;margin-bottom:16px}
.cta-section p{font-size:1rem;opacity:0.6;margin-bottom:40px}
.cta-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 48px;border:1px solid var(--gold);
  color:var(--gold);font-family:var(--font-sans);font-size:0.85rem;
  font-weight:600;letter-spacing:4px;transition:var(--transition);background:transparent;
}
.cta-btn:hover{background:var(--green-primary);color:var(--bg-white);border-color:var(--green-primary)}

/* --- Footer --- */
.footer{
  background:rgb(49,73,60);color:var(--bg-white);padding:80px 0 0;
  border-top:1px solid rgba(255,255,255,0.1);
}
.footer .container{max-width:none;padding:0 48px}
.footer .footer-main{
  display:grid;grid-template-columns:1fr 2fr 1fr;align-items:center;gap:24px;
  padding-bottom:32px;
}
.footer .footer-brand{display:flex;align-items:center}
.footer .footer-brand img{height:56px;display:block}
.footer-info{text-align:center;font-size:0.88rem;color:rgba(255,255,255,0.7);line-height:2}
.footer-info p{margin:0}
.footer-info i{margin-right:8px;width:16px;text-align:center;color:rgba(255,255,255,0.5)}
.footer-social{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.footer-social-i{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,0.3);color:rgba(255,255,255,0.7);font-size:1.3rem;cursor:pointer;transition:var(--transition);text-decoration:none}
.footer-social-i:hover{color:#fff;border-color:rgba(255,255,255,0.6)}
.footer-qr-tooltip,.footer-wechat-tooltip{
  display:none;position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%);
  background:#fff;padding:16px;border-radius:8px;text-align:center;color:#333;font-size:0.8rem;
  box-shadow:0 4px 20px rgba(0,0,0,0.15);white-space:nowrap;z-index:10;border:1px solid var(--border-light);
}
.footer-qr-tooltip img,.footer-wechat-tooltip img{border-radius:4px;margin:0 auto 8px;display:block}
.footer-social-i{position:relative}
.footer-social-i:hover .footer-qr-tooltip,.footer-social-i:hover .footer-wechat-tooltip{display:block}
.footer-links-row{
  display:grid;grid-template-columns:1fr 2fr 1fr;align-items:center;gap:24px;
  padding:24px 0;
  font-family:var(--font-sans);font-size:0.85rem;color:rgba(255,255,255,0.5);
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.footer-links-label{justify-self:start;font-weight:600;color:rgba(255,255,255,0.7);letter-spacing:1px}
.footer-partners{justify-self:center;display:flex;align-items:center;gap:32px}
.footer-links-row a{color:rgba(255,255,255,0.5);transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none}
.footer-links-row a img{display:block}
.footer-links-row a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:center;align-items:center;gap:24px;
  padding:20px 0 100px;font-size:0.85rem;color:rgba(255,255,255,0.4);font-family:var(--font-sans);
}
@media(max-width:1024px){
  .footer .footer-main{grid-template-columns:1fr;gap:20px;text-align:center}
  .footer .footer-brand{justify-content:center}
  .footer-info{text-align:center}
  .footer-social{justify-content:center}
  .footer-links-row{display:flex;justify-content:center;flex-wrap:wrap}
  .footer-links-label{justify-self:auto}
  .footer-partners{gap:16px}
}
@media(max-width:768px){
  .footer{padding:32px 0 0}
  .footer .container{padding:0 20px}
  .footer .footer-main{gap:12px}
  .footer .footer-brand img{height:44px}
  .footer-info{font-size:0.82rem;line-height:1.7}
  .footer-links-row{gap:6px;font-size:0.8rem;padding:14px 0}
  .footer-links-row a img{max-height:26px}
  .footer-partners{gap:10px}
  .footer-bottom{flex-direction:column;gap:6px;font-size:0.8rem;padding:12px 0 96px}
}

/* --- Floating Bar --- */
.floating-bar{
  position:fixed;right:16px;bottom:80px;z-index:900;
  display:flex;flex-direction:column;gap:0;
  background:var(--bg-white);border-radius:6px;
  box-shadow:0 2px 12px rgba(0,0,0,0.1);overflow:hidden;
}
.floating-item{
  width:auto;height:auto;padding:10px 14px;
  background:var(--bg-white);color:var(--green-primary);
  display:flex;align-items:center;gap:8px;
  cursor:pointer;transition:var(--transition);border:none;
  font-size:0.75rem;position:relative;
  border-bottom:1px solid var(--border-light);
  font-family:var(--font-sans);letter-spacing:0.5px;
  white-space:nowrap;
}
.floating-item:last-child{border-bottom:none}
.floating-item:hover{background:var(--green-primary);color:var(--bg-white)}
.floating-item.floating-ai-entry.active,
.floating-item.floating-ai-entry.active:hover{background:var(--green-primary);color:var(--bg-white);font-weight:600}
.floating-item i{font-size:0.85rem;width:16px;text-align:center;flex-shrink:0}
.floating-tooltip{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);
  background:var(--bg-dark);color:var(--bg-white);padding:6px 14px;
  font-size:0.8rem;white-space:nowrap;font-family:var(--font-sans);
  opacity:0;visibility:hidden;transition:var(--transition);
  border-radius:4px;
}
.floating-item:hover .floating-tooltip{opacity:1;visibility:visible}
.wechat-tooltip{
  width:160px;text-align:center;line-height:1.6;padding:12px;
}
.wechat-tooltip img{border-radius:4px;margin:0 auto 8px;display:block}
.wechat-qr-modal{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.6);opacity:0;visibility:hidden;transition:opacity 0.25s ease}
.wechat-qr-modal.active{opacity:1;visibility:visible}
.wechat-qr-modal .qr-box{position:relative;background:#fff;border-radius:8px;padding:24px 24px 16px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,0.25);transform:scale(0.95);transition:transform 0.25s ease}
.wechat-qr-modal.active .qr-box{transform:scale(1)}
.wechat-qr-modal .qr-box img{max-width:220px;max-height:220px;display:block;margin:0 auto 12px;border-radius:4px}
.wechat-qr-modal .qr-box p{margin:0;font-size:0.85rem;color:#333}
.wechat-qr-modal .qr-close{position:absolute;top:8px;right:12px;font-size:1.4rem;line-height:1;color:#999;cursor:pointer;background:none;border:none;padding:0}
.wechat-qr-modal .qr-close:hover{color:#333}
.phone-modal{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.55);opacity:0;visibility:hidden;transition:opacity 0.25s ease}
.phone-modal.active{opacity:1;visibility:visible}
.phone-modal .phone-box{position:relative;background:#fff;border-radius:10px;padding:32px 28px 24px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,0.25);transform:scale(0.95);transition:transform 0.25s ease;min-width:260px}
.phone-modal.active .phone-box{transform:scale(1)}
.phone-modal .phone-close{position:absolute;top:8px;right:12px;font-size:1.4rem;line-height:1;color:#999;cursor:pointer;background:none;border:none;padding:0}
.phone-modal .phone-close:hover{color:#333}
.phone-modal .phone-icon{font-size:2rem;color:var(--green-primary);margin-bottom:12px}
.phone-modal .phone-number{font-size:1.4rem;font-weight:700;color:var(--text-dark);margin:0 0 6px;letter-spacing:1px}
.phone-modal .phone-tip{font-size:0.85rem;color:#888;margin:0 0 18px}
.phone-modal .phone-call-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;background:var(--green-primary);color:#fff;border-radius:999px;text-decoration:none;font-weight:600;font-size:0.9rem;transition:background 0.2s}
.phone-modal .phone-call-btn:hover{background:var(--green-dark)}
@media(max-width:768px){
  .floating-bar{right:12px;bottom:24px}
  .floating-item{padding:12px 16px;font-size:0.78rem}
}

/* --- Forms --- */
.form-card{
  max-width:640px;margin:0 auto;padding:60px;
  background:var(--bg-white);
}
.form-group{margin-bottom:28px}
.form-group label{
  display:block;font-family:var(--font-sans);font-size:0.8rem;
  font-weight:600;letter-spacing:2px;text-transform:uppercase;
  color:var(--text-muted);margin-bottom:8px;
}
.form-control{
  width:100%;padding:0 0 12px;border:none;border-bottom:1px solid var(--border-light);
  background:transparent;font-size:0.95rem;transition:var(--transition);
  font-family:var(--font-serif);outline:none;color:var(--text-primary);
  border-radius:0;
}
.form-control:focus{border-bottom-color:var(--text-primary)}
textarea.form-control{min-height:100px;resize:vertical;padding:0 0 12px}
.form-submit{
  width:100%;padding:16px 0;background:transparent;
  color:var(--text-primary);border:none;border-bottom:1px solid var(--text-primary);
  font-family:var(--font-sans);font-size:0.8rem;font-weight:600;
  letter-spacing:4px;cursor:pointer;transition:var(--transition);text-align:center;
}
.form-submit:hover{color:var(--green-primary);border-color:var(--green-primary)}
@media(max-width:768px){.form-card{padding:32px 24px}}

/* --- Filter Bar --- */
.filter-bar{
  display:flex;justify-content:center;gap:4px;flex-wrap:wrap;
  margin-bottom:60px;padding:0;
}
.filter-btn{
  padding:8px 24px;font-family:var(--font-sans);font-size:0.85rem;
  font-weight:250;letter-spacing:2px;color:var(--text-muted);
  background:transparent;border:1px solid transparent;cursor:pointer;
  transition:var(--transition);
}
.filter-btn:hover{color:var(--text-primary)}
.filter-btn.active{color:var(--text-primary);border-color:var(--border-light)}

/* --- About Grid --- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.about-card h3{font-size:1.1rem;font-weight:600;margin-bottom:12px}
.about-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.8}
@media(max-width:1024px){.about-grid{grid-template-columns:1fr}}

/* --- Technology Compare --- */
.tech-compare{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.tech-card{
  padding:48px;background:var(--bg-white);
}
.tech-card h3{font-size:1.1rem;font-weight:600;letter-spacing:2px;margin-bottom:20px}
.tech-card ul li{padding:10px 0;border-bottom:1px solid var(--border-light);font-size:0.85rem;color:var(--text-secondary);line-height:1.6}
.tech-card ul li:last-child{border-bottom:none}
.tech-card ul li strong{color:var(--text-primary)}
@media(max-width:1024px){.tech-compare{grid-template-columns:1fr}}

/* --- Service Compare (side-by-side with icon) --- */
.service-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;max-width:960px;margin:0 auto}
.service-compare-col{padding:40px 36px}
.service-compare-col h3{font-size:1rem;font-weight:600;letter-spacing:2px;margin-bottom:20px}
.service-compare-col ul{list-style:none;padding:0;margin:0}
.service-compare-col ul li{padding:10px 0;border-bottom:1px solid var(--border-light);font-size:0.85rem;color:var(--text-secondary);line-height:1.6;display:flex;align-items:flex-start;gap:8px}
.service-compare-col ul li:last-child{border-bottom:none}
.service-compare-col ul li::before{content:'✓';color:var(--primary);font-weight:700;flex-shrink:0;margin-top:1px}
.service-compare-col.old{background:var(--bg-cream);border-radius:8px 0 0 8px}
.service-compare-col.old ul li::before{content:'✗';color:#c0392b}
.service-compare-col.new{background:var(--bg-white);border:1px solid var(--border-light);border-left:none;border-radius:0 8px 8px 0}
.service-compare-icon{width:56px;height:56px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--bg-white);font-size:1.2rem;align-self:center;z-index:1;box-shadow:0 4px 16px rgba(0,69,66,0.2);flex-shrink:0}
@media(max-width:768px){
  .service-compare{grid-template-columns:1fr;gap:16px}
  .service-compare-col.old{border-radius:8px 8px 0 0}
  .service-compare-col.new{border-left:1px solid var(--border-light);border-radius:0 0 8px 8px}
  .service-compare-icon{margin:0 auto}
}

/* --- Antibacterial Compare --- */
.antibacterial-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;max-width:960px;margin:0 auto}
.antibacterial-compare-col{padding:40px 36px}
.antibacterial-compare-col h3{font-size:1rem;font-weight:600;letter-spacing:2px;margin-bottom:20px}
.antibacterial-compare-col ul{list-style:none;padding:0;margin:0}
.antibacterial-compare-col ul li{padding:10px 0;border-bottom:1px solid var(--border-light);font-size:0.85rem;color:var(--text-secondary);line-height:1.6;display:flex;align-items:flex-start;gap:8px}
.antibacterial-compare-col ul li:last-child{border-bottom:none}
.antibacterial-compare-col ul li strong{color:var(--text-primary)}
.antibacterial-compare-col.old{background:var(--bg-cream);border-radius:8px 0 0 8px}
.antibacterial-compare-col.old ul li::before{content:'✗';color:#c0392b;flex-shrink:0;margin-top:1px}
.antibacterial-compare-col.new{background:var(--bg-white);border:1px solid var(--border-light);border-left:none;border-radius:0 8px 8px 0}
.antibacterial-compare-col.new ul li::before{content:'✓';color:var(--primary);font-weight:700;flex-shrink:0;margin-top:1px}
.antibacterial-compare-icon{width:56px;height:56px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--bg-white);font-size:1.2rem;align-self:center;z-index:1;box-shadow:0 4px 16px rgba(0,69,66,0.2);flex-shrink:0}
@media(max-width:768px){
  .antibacterial-compare{grid-template-columns:1fr;gap:16px}
  .antibacterial-compare-col.old{border-radius:8px 8px 0 0}
  .antibacterial-compare-col.new{border-left:1px solid var(--border-light);border-radius:0 0 8px 8px}
  .antibacterial-compare-icon{margin:0 auto}
}

/* --- News Detail --- */
.news-detail-content{font-size:1rem;color:var(--text-secondary);line-height:2}
.news-detail-content img{width:100%;border-radius:0;margin:32px 0}

/* --- Reveal Animation --- */
.reveal{opacity:0;transform:translateY(50px);transition:all 0.8s var(--ease-out)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.12s}
.reveal-delay-2{transition-delay:0.24s}
.reveal-delay-3{transition-delay:0.36s}
.reveal-delay-4{transition-delay:0.48s}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}

/* --- Product Category filter specific --- */
.cat-filter-bar{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:50px}
/* Guarantees grid — 5 columns on desktop */
.guarantees-grid{grid-template-columns:repeat(5,1fr)}

.cat-filter-btn{
  font-family:var(--font-sans);font-size:0.8rem;font-weight:600;
  letter-spacing:3px;color:var(--text-muted);cursor:pointer;
  background:transparent;border:none;padding:4px 0;transition:var(--transition);
  border-bottom:1px solid transparent;
}
.cat-filter-btn:hover,.cat-filter-btn.active{color:var(--text-primary);border-bottom-color:var(--text-primary)}

/* --- Product Carousel (Homepage Star Products) --- */
.product-carousel{
  position:relative;overflow:hidden;padding:0 0 80px;
}
.product-carousel-track{
  display:flex;transition:transform 0.8s var(--ease-out);
}
.product-carousel-slide{
  flex:0 0 100%;display:grid;grid-template-columns:1fr 1fr;gap:0;
  min-height:480px;
}
.product-carousel-img{
  height:100%;overflow:hidden;
}
.product-carousel-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 1.2s var(--ease-out);
}
.product-carousel-slide:hover .product-carousel-img img{transform:scale(1.03)}
.product-carousel-info{
  display:flex;flex-direction:column;justify-content:center;
  padding:60px 80px;
}
.product-carousel-num{
  font-family:var(--font-sans);font-size:0.8rem;letter-spacing:3px;
  color:var(--text-muted);margin-bottom:16px;display:block;
}
.product-carousel-info h3{
  font-size:clamp(1.3rem,2vw,1.8rem);font-weight:300;letter-spacing:3px;
  margin-bottom:12px;
}
.product-carousel-slogan{
  font-family:var(--font-sans);font-size:0.8rem;letter-spacing:3px;
  color:var(--gold);margin-bottom:16px;
}
.product-carousel-info p{
  font-size:0.9rem;color:var(--text-secondary);line-height:1.9;
  margin-bottom:24px;
}
.product-carousel-info .link-arrow{
  font-family:var(--font-sans);font-size:0.8rem;font-weight:600;
  letter-spacing:3px;color:var(--green-primary);transition:var(--transition);
  display:inline-flex;align-items:center;gap:8px;
}
.product-carousel-info .link-arrow:hover{color:var(--text-primary);gap:16px}

/* Carousel Navigation */
.product-carousel-nav{
  display:flex;align-items:center;justify-content:center;
  gap:24px;margin-top:40px;
}
.product-carousel-btn{
  width:44px;height:44px;border:1px solid var(--border-light);
  background:var(--bg-white);color:var(--text-primary);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:var(--transition);font-size:0.8rem;
}
.product-carousel-btn:hover{background:var(--green-primary);color:var(--bg-white);border-color:var(--green-primary)}
.product-carousel-counter{
  font-family:var(--font-sans);font-size:0.8rem;letter-spacing:4px;
  color:var(--text-muted);min-width:60px;text-align:center;
}
.product-carousel-dots{
  display:flex;justify-content:center;gap:8px;margin-top:20px;
}
.product-carousel-dot{
  width:8px;height:8px;border-radius:50%;border:1px solid var(--border-light);
  background:transparent;cursor:pointer;transition:var(--transition);padding:0;
}
.product-carousel-dot.active{background:var(--green-primary);border-color:var(--green-primary)}

@media(max-width:1024px){
  .product-carousel-slide{grid-template-columns:1fr;min-height:auto}
  .product-carousel-img{height:320px}
  .product-carousel-info{padding:40px 32px}
}
@media(max-width:768px){
  .product-carousel-img{height:220px}
  .product-carousel-info{padding:24px 16px}
  .product-carousel-info h3{font-size:1.1rem}
  .product-carousel-nav{gap:16px}
}

/* --- Page loading placeholder --- */
.loading-state{text-align:center;padding:80px 0;color:var(--text-muted);font-family:var(--font-sans);font-size:0.85rem;letter-spacing:2px}

/* --- Preloader --- */
.preloader{
  position:fixed;top:0;left:0;width:100%;height:100%;z-index:99999;
  background:var(--bg-dark);display:flex;align-items:center;justify-content:center;
  flex-direction:column;transition:opacity 0.8s ease,visibility 0.8s ease;
}
.preloader.hide{opacity:0;visibility:hidden;pointer-events:none}
.preloader-logo{
  font-family:var(--font-sans);font-size:clamp(1.5rem,3vw,2.5rem);
  font-weight:700;letter-spacing:8px;color:var(--bg-white);
  animation:preloaderPulse 1.5s ease-in-out infinite;
}
.preloader-bar{
  width:120px;height:2px;background:rgba(255,255,255,0.1);
  border-radius:2px;margin-top:32px;overflow:hidden;
}
.preloader-bar span{
  display:block;height:100%;width:0;background:var(--gold);
  border-radius:2px;animation:preloaderLoad 1.2s ease forwards;
}
@keyframes preloaderPulse{
  0%,100%{opacity:0.6;transform:scale(1)}
  50%{opacity:1;transform:scale(1.03)}
}
@keyframes preloaderLoad{
  0%{width:0}
  100%{width:100%}
}

/* --- Hero video dual-track --- */
.hero-video{
  position:absolute;top:0;left:0;width:100%;height:100%;
  object-fit:cover;z-index:0;opacity:0;transition:opacity 1s ease;
}
.hero-video.loaded{opacity:1}
.hero-video.loaded+.hero-bg{opacity:0}
.hero-bg{transition:opacity 1s ease}

/* ========== Responsive ========== */

/* Tablet (768px - 1023px) — iPad portrait */
@media(min-width:768px) and (max-width:1023px){
  html{font-size:clamp(14px,1.9vw,16px);overflow-x:hidden}
  body{overflow-x:hidden}
  .container{padding:0 24px;max-width:100%}
  .banner-title{font-size:clamp(1.6rem,4vw,2.2rem)}
  .banner-subtitle{font-size:clamp(0.9rem,1.8vw,1.1rem)}
  .banner-tag{font-size:0.8rem;letter-spacing:4px}
  .intro-split{grid-template-columns:1fr 1fr!important;min-height:400px!important}
  .intro-content{padding:40px 32px!important}
  .section-header{margin-bottom:32px}
  .floating-bar{display:none}
  .footer-main{flex-wrap:wrap;gap:24px}
  .footer-social{justify-content:flex-start}
}

/* Desktop: 定制化改造 horizontal cards */
#casesSection #casesCarouselList{display:flex;gap:0;width:100%}
#casesSection #casesCarouselList > a{width:calc((100vw - 80px) / 4);min-width:280px;flex-shrink:0;padding:0 24px;box-sizing:border-box;text-decoration:none}

/* Desktop: star products dots position */
#starDots{bottom:24px}

/* Mobile (< 768px) */
@media(max-width:767px){
  html{font-size:16px;font-size:clamp(13px,3.8vw,16px);-webkit-overflow-scrolling:touch}
  body{overflow-x:hidden}
  html.homepage{scroll-snap-type:y proximity;-webkit-scroll-snap-type:y proximity;scroll-padding-top:56px;-webkit-overflow-scrolling:touch;will-change:scroll-position}
  html.homepage.no-snap{scroll-snap-type:none!important;-webkit-scroll-snap-type:none!important}
  body.homepage{scroll-padding-top:0;-webkit-tap-highlight-color:transparent}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  /* Remove global image background/min-height that causes flash; use container backgrounds instead */
  img[src*=".jpg"],img[src*=".jpeg"],img[src*=".png"]{background:transparent!important;min-height:0!important}
  .intro-img,.case-img,.case-image,.prod-image,.star-image,.tech-img,.about-img,.team-img,.partner-img{background:#d1d5c8}
  .news-image{background:var(--bg-cream)}
  body.page-sub{scroll-snap-type:none!important;-webkit-scroll-snap-type:none!important}
  .container{padding:0 20px!important}

  /* --- Scroll snap: one section per screen, no crossing --- */
  .hero-banner,
  #introSection,
  #guaranteesSection,
  #processSection,
  #casesCarousel,
  #casesSection,
  #starProducts,
  #newsSection,
  body:not(.page-sub) footer{
    scroll-snap-align:start!important;
    -webkit-scroll-snap-align:start!important;
  }
  /* Hide the tiny separator div before footer */
  body>div[style*="height:0.1px"]{display:none!important}
  /* Full-screen min-height via --vh (JS-set window.innerHeight) for exact one-screen sections */
  .hero-banner{height:var(--vh,100vh)!important;min-height:var(--vh,100vh)!important}
  #introSection{min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;align-items:stretch!important;overflow:hidden!important;background:#31493C!important;padding:0!important;margin:0 auto!important}
  #introWrapper{min-height:calc(var(--vh,100vh) - 56px)!important;width:100%!important;margin:0 auto!important;padding:0!important}
  #guaranteesSection{min-height:var(--vh,100vh)!important}
  #processSection{min-height:var(--vh,100vh)!important}
  #casesSection{min-height:var(--vh,100vh)!important}
  #casesCarousel{min-height:var(--vh,100vh)!important}
  #starProducts{min-height:var(--vh,100vh)!important}
  #newsSection{min-height:var(--vh,100vh)!important}
  body:not(.page-sub) footer{min-height:var(--vh,100vh)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:center!important;padding:56px 0 40px!important;box-sizing:border-box!important}
  body:not(.page-sub) footer .container{width:100%!important;padding-top:0!important}
  .footer-qr-tooltip,.footer-wechat-tooltip{display:none!important}
  .footer-social-i:hover .footer-qr-tooltip,.footer-social-i:hover .footer-wechat-tooltip{display:none!important}
  .footer-social{gap:16px}
  .footer-social-i{width:clamp(38px,10vw,48px);height:clamp(38px,10vw,48px);font-size:clamp(1.1rem,4vw,1.5rem)}

  /* --- Fix inline multi-column layouts that never collapse on mobile --- */
  .intro-split{display:flex!important;flex-direction:column!important;min-height:calc(var(--vh,100vh) - 56px)!important;flex:1 1 0!important;width:100%!important}
  .intro-img{height:calc(var(--vh,100vh) * 0.45)!important;flex:none!important;overflow:hidden!important;width:100%!important;margin-bottom:32px!important}
  .intro-img img{width:100%!important;height:100%!important;object-fit:cover!important;display:block!important}
  #introContent{padding:clamp(12px,3vw,24px) 20px!important;display:flex!important;flex-direction:column!important;justify-content:flex-start!important;flex:1 1 0!important;width:100%!important;background:#31493C!important}
  #introContent h2{font-size:clamp(1.8rem,2.2vw,2.6rem)!important;font-weight:600!important;line-height:1.3!important;margin-bottom:clamp(8px,2vw,16px)!important}
  #introDesc{font-size:clamp(0.75rem,3.2vw,0.95rem)!important;line-height:1.35!important;margin-bottom:0!important}
  #introLink{margin-top:8px!important;align-self:flex-end!important}
  /* 统一所有"了解更多"链接：右下角，同字号/颜色/字体 */
  .link-arrow, #introLink, #guaranteesLink, #processLink, #starSlides .star-link{font-size:0.9rem!important;color:rgba(255,255,255,0.6)!important;font-family:inherit!important;text-decoration:none!important;letter-spacing:1px!important}
  [style*="grid-template-columns:repeat(3,1fr)"]{grid-template-columns:1fr!important}
  [style*="grid-template-columns:repeat(4,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
  [style*="grid-template-columns:repeat(5,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
  [style*="grid-template-columns:280px 1fr"]{grid-template-columns:1fr!important}
  [style*="padding:60px 80px"]{padding:24px 16px!important}
  [style*="min-height:600px"]{min-height:auto!important}
  [style*="min-height:520px"]{min-height:auto!important}
  [style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr!important}
  [style*="grid-template-columns:1fr 1fr"]>div:last-child{min-height:300px}
  /* 十大保障 tabs: wrap into 2 per row on mobile */
  #guaranteeTabs{flex-wrap:wrap!important;gap:0 8px!important;border-bottom:none!important;margin-bottom:4px!important}
  #guaranteeTabs .g-tab{flex:1 1 calc(50% - 4px)!important;border-bottom:1px solid rgba(255,255,255,0.12)!important;padding:8px 2px!important}
  #guaranteeTabs .g-tab >
span:first-child{font-size:clamp(0.85rem,3.5vw,1rem)!important;margin-bottom:2px!important}
  #guaranteeTabs .g-tab >
span:last-child{white-space:normal!important;font-size:clamp(0.75rem,3.2vw,0.9rem)!important;line-height:1.2!important}
  #guaranteeDetail{flex-direction:column!important;gap:8px!important;align-items:center!important;text-align:center!important;padding:4px 0!important}
  #guaranteeDetail>div:last-child{text-align:center!important}
  #guaranteeDetail>div:last-child>a{text-align:center!important;margin:0 auto}
  #gIcon{width:clamp(40px,12vw,56px)!important;height:clamp(40px,12vw,56px)!important;font-size:clamp(1.2rem,5vw,1.8rem)!important}
  #gIcon img,#gIcon i{width:100%!important;height:100%!important;object-fit:contain!important}
  #gTitle{font-size:clamp(0.95rem,4.2vw,1.15rem)!important;margin-bottom:4px!important;letter-spacing:1px!important}
  #gDesc{font-size:clamp(0.75rem,3.4vw,0.9rem)!important;line-height:1.5!important;margin-bottom:4px!important}
  #guaranteesLink{font-size:clamp(0.7rem,3vw,0.85rem)!important}
  #guaranteesSection [style*="margin-bottom:48px"]{margin-bottom:4px!important}
  #guaranteesSection [style*="margin-bottom:16px"]{margin-bottom:8px!important}
  #guaranteesTitle{font-size:clamp(1.8rem,2.2vw,2.6rem)!important}
  #guaranteesSub{font-size:clamp(0.7rem,3vw,0.85rem)!important;margin-bottom:4px!important}
  /* 明星产品 cert badges */
  .prod-certs{bottom:16px!important;right:16px!important}
  .section{padding:56px 0}
  .section-header{margin-bottom:24px}
  .section-title{font-size:clamp(1rem,4vw,1.3rem);letter-spacing:2px}
  /* 拉开各板块间距 + flex centering + overflow control */
  /* align-items:stretch forces ALL children full width — fixes right-bias on curved screens */
  /* padding:20px 0 on section + padding:0 20px on children = 20px each side for curved screens */
  #guaranteesSection{padding:4px 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important}
  #processSection{padding:20px 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important}
  #casesSection{padding:20px 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important}
  #starProducts{padding:0 0 0 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important;background:transparent!important}
  #newsSection{padding:20px 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important}
  #casesCarousel{padding:20px 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important}
  /* Container & direct children: uniform 20px side padding for curved screen safety */
  #guaranteesSection .container,#processSection .container,#casesSection .container,#starProducts .container,#newsSection .container,#casesCarousel .container{padding:0 20px!important;width:100%!important;box-sizing:border-box!important}
  #guaranteesSection > *:not(.container),#processSection > *:not(.container){padding-left:20px!important;padding-right:20px!important;box-sizing:border-box!important}

  /* Topbar */
  .topbar{height:56px;padding:8px 16px 0}
  .topbar-logo img{height:34px}

  .topbar-hamburger{gap:4px}
  .topbar-hamburger span{width:20px}

  /* Overlay Nav */
  .nav-overlay-header{padding:12px 20px}
  .nav-overlay-body{padding:20px 16px}
  .nav-overlay-item{font-size:1rem;letter-spacing:3px;padding:10px 0}
  .nav-overlay-footer{flex-direction:column;gap:6px;padding:12px 20px;font-size:0.8rem}

  /* Hero — shorter */
  .hero{height:50vh;height:50dvh;min-height:360px;max-height:250px}
  .hero-content{padding:0 20px}
  .hero-title{font-size:clamp(1.1rem,4.5vw,1.5rem);letter-spacing:2px;margin-bottom:8px}
  .hero-subtitle{font-size:clamp(0.75rem,3vw,0.95rem);letter-spacing:1px}
  .hero-content .section-tag{font-size:clamp(0.6rem,2.2vw,0.75rem);letter-spacing:2px;margin-bottom:6px}
  .hero-scroll{bottom:16px;font-size:clamp(0.55rem,2vw,0.7rem)}
  .hero-scroll .scroll-line{height:24px}

  /* Marquee — hide on mobile, too much space */
  .marquee{display:none}

  /* Split Layout */
  .split-grid{grid-template-columns:1fr!important}
  .split-image{order:-1;min-height:200px!important;height:220px!important}
  .split-text{padding:24px 0!important}
  .split-text h2{font-size:clamp(0.9rem,3.5vw,1.15rem);letter-spacing:1px;margin-bottom:10px}
  .split-text p{font-size:clamp(0.75rem,2.8vw,0.9rem);margin-bottom:10px}

  /* Cards */
  .cards-grid{grid-template-columns:1fr!important;gap:1px}
  .card-flat{padding:24px 16px}
  .card-flat .icon{font-size:clamp(1.05rem,3.5vw,1.3rem);margin-bottom:8px}
  .card-flat h4{font-size:clamp(0.8rem,2.8vw,1rem)}
  .card-flat p{font-size:clamp(0.75rem,2.8vw,0.9rem)}
  .card-flat .card-num{font-size:clamp(0.7rem,2.5vw,0.85rem);margin-bottom:10px}
  .guarantees-grid{grid-template-columns:repeat(2,1fr)!important}
  .guarantees-grid .card-flat{padding:20px 12px}

  /* Service Process */
  #processList{display:grid !important;grid-template-columns:repeat(2,1fr) !important;gap:20px 12px !important;justify-items:center !important;max-width:400px !important;margin:0 auto !important}
  #processList .process-arrow{display:none !important}
  #processList .process-step{width:100% !important;padding:0 !important}
  #processList .process-step > div:first-child{width:clamp(56px,15vw,70px)!important;height:clamp(56px,15vw,70px)!important;font-size:clamp(1.1rem,3vw,1.3rem)!important}

  /* Star Products — mobile: compact, fit one screen, scale proportionally */
  /* Override shared section padding/justify for star products */
  #starProducts{padding:15px 0!important;min-height:calc(var(--vh,100vh) - 56px)!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:stretch!important;overflow:hidden!important;box-sizing:border-box!important}
  .cases-nav-btn{display:none!important}
  #starSectionTitle{display:none!important}
  .mobile-section-title{display:block!important;text-align:center!important;font-weight:500!important;font-size:1.8rem!important;font-size:clamp(1.8rem,2.2vw,2.6rem)!important;letter-spacing:2px;padding:20px 20px 20px!important;color:var(--text-primary)!important;flex:none!important}
  #starProducts{overflow:hidden !important}
  /* 进度条 === 数字指示器，定位在图片底部内侧 */
  #starDots{display:flex!important;bottom:auto!important;top:176px!important;top:calc(clamp(120px,calc(var(--vh,100vh) * 0.28),220px) + 56px)!important;left:50%!important;right:auto!important;transform:translateX(-50%)!important;z-index:10!important}
  /* 滑动容器：填满剩余空间 */
  #starSlides{overflow-x:auto!important;scroll-snap-type:x mandatory!important;-webkit-scroll-snap-type:x mandatory!important;-webkit-overflow-scrolling:touch!important;scrollbar-width:none!important;-ms-overflow-style:none!important;scroll-snap-stop:always!important;height:auto!important;min-height:0!important;flex:1!important;padding:0!important;transform:none!important;transition:none!important}
  #starSlides::-webkit-scrollbar{display:none!important}
  /* 每个slide：flex列，从顶部堆叠，填满容器高度 */
  #starSlides .star-slide{display:flex !important;flex-direction:column !important;width:100%!important;min-width:100%!important;scroll-snap-align:start!important;-webkit-scroll-snap-align:start!important;height:100%!important;min-height:auto!important;flex-shrink:0!important;padding:0 20px!important;box-sizing:border-box!important;justify-content:flex-start!important;overflow:hidden!important}
  #starSlides .star-image{width:100% !important;height:220px!important;height:clamp(120px,calc(var(--vh,100vh) * 0.28),220px) !important;min-height:120px !important;max-height:220px !important;flex:none !important;order:1 !important}
  /* 内容区域：flex:1 填满图片后剩余空间 */
  #starSlides .star-content{width:100% !important;height:auto!important;flex:1!important;padding:clamp(4px,1.2vw,12px) 0!important;box-sizing:border-box !important;order:2 !important;justify-content:flex-start!important;display:flex!important;flex-direction:column!important}
  #starSlides .star-content > div{margin:0!important;width:100%!important;flex:1!important;display:flex!important;flex-direction:column!important}
  #starSlides .star-title{margin-bottom:1px!important;line-height:1.1!important;font-size:clamp(0.9rem,5vw,1.8rem)!important;flex:none!important}
  #starSlides .star-subtitle{margin-bottom:2px!important;line-height:1.1!important;font-size:clamp(0.75rem,3.8vw,1.2rem)!important;flex:none!important}
  /* 描述文字：flex:1 撑开，将"了解更多"推到底部 */
  #starSlides .star-desc{margin-bottom:0!important;max-width:none !important;overflow-y:auto !important;line-height:1.2!important;font-size:clamp(0.65rem,3.2vw,1rem)!important;flex:1!important;text-align:justify!important}
  #starSlides .star-desc p{margin:0 0 1px 0 !important;line-height:1.2!important;font-size:clamp(0.65rem,3.2vw,1rem)!important;text-align:justify!important}
  #starSlides .star-desc hr{display:none!important}
  #starSlides .star-desc ul, #starSlides .star-desc li{margin:0 !important;padding-left:12px !important;line-height:1.2!important;font-size:clamp(0.65rem,3.2vw,1rem)!important}
  #starSlides .star-link{font-size:clamp(0.55rem,2.8vw,0.9rem)!important;margin-top:auto!important;flex:none!important;align-self:flex-end!important}
  #starPrev,#starNext{display:none !important}

  /* Cases carousel — ensure consistent sizing across all phones */
  #casesCarousel{min-height:calc(var(--vh,100vh) - 56px)!important;max-height:calc(var(--vh,100vh) - 56px)!important}
  #casesSlides{transition:transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94)!important;width:100%!important;justify-content:flex-start!important;will-change:transform!important}
  #casesSection .section-header{text-align:center!important;margin-bottom:16px!important}
  /* Fix centering: force all section children full width */
  #casesSection > *{width:100%!important;max-width:100%!important;box-sizing:border-box!important}
  #casesScroll{overflow-x:auto;scroll-snap-type:x mandatory;-webkit-scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;padding:0!important}
  #casesScroll::-webkit-scrollbar{display:none!important}
  #casesSection #casesCarouselList{padding:0!important;gap:0!important;display:flex!important;width:100%!important;max-width:100%!important}
  #casesSection #casesCarouselList > a{flex:0 0 100%!important;width:100%!important;min-width:100%!important;max-width:100%!important;scroll-snap-align:start;-webkit-scroll-snap-align:start;padding:0 20px!important;box-sizing:border-box!important;margin-right:0!important}
  #casesCarouselList > a > div[style*="aspect-ratio"]{aspect-ratio:4/3!important}
  #casesSection [style*="margin-top:160px"]{margin-top:48px!important;padding:0 20px!important}
  #casesSection [style*="padding:0 40px"]{padding:0 20px!important}
  #casesProgress{display:none!important}
  #casesSection [style*="margin-top:100px"]{display:none!important}
  .case-slide{border-radius:0!important;float:none!important}
  #casesSlides .case-slide > div{padding:16px 0!important;box-sizing:border-box!important;margin:0 auto!important;text-align:center!important;width:calc(100% - 40px)!important}
  #casesSlides .case-slide h3,#casesSlides .case-slide .case-title-zh,#casesSlides .case-slide .case-subtitle,#casesSlides .case-slide .counter-style,#casesSlides .case-slide p{padding:0 16px!important;box-sizing:border-box!important}
  #casesSlides .case-slide img{width:100%!important}
  #casesCarouselList .case-slide > div{padding:16px 0!important;box-sizing:border-box!important;margin:0 auto!important;text-align:center!important;width:calc(100% - 40px)!important}
  .case-slide h3{font-size:clamp(1.05rem,4vw,1.35rem)!important}
  .case-title-zh{font-size:clamp(0.9rem,3.5vw,1.15rem)!important}
  .case-subtitle{font-size:clamp(0.75rem,2.8vw,0.95rem)!important}
  .case-slide p{font-size:clamp(0.75rem,2.8vw,0.95rem)!important;line-height:1.6!important}
  .case-slide img{aspect-ratio:560/360!important}

  /* Scroll section */
  .scroll-header{padding:40px 0 20px}
  .scroll-slide{grid-template-columns:1fr!important;min-height:auto!important}
  .scroll-slide .slide-image{height:180px!important}
  .scroll-slide .slide-text{padding:16px 0!important}
  .scroll-slide .slide-num{font-size:clamp(1.2rem,4.5vw,1.6rem)}
  .scroll-slide .slide-text h3{font-size:clamp(0.8rem,2.8vw,1rem);margin-bottom:8px}
  .scroll-slide .slide-text p{font-size:clamp(0.65rem,2.5vw,0.8rem)}

  /* News */
  .news-grid{grid-template-columns:1fr!important}
  .news-image{height:160px}
  .news-body{padding:16px}
  .news-body h3{font-size:clamp(0.7rem,2.5vw,0.85rem);margin-bottom:6px}
  .news-body p{font-size:clamp(0.7rem,2.5vw,0.85rem)}
  /* Fix centering: force all news section children full width */
  #newsSection > *{width:100%!important;max-width:100%!important;box-sizing:border-box!important}
  #newsScroll{overflow-x:auto;scroll-snap-type:x mandatory;-webkit-scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;padding:0!important}
  #newsScroll::-webkit-scrollbar{display:none!important}
  .news-carousel-list{padding:0!important;gap:0!important;width:100%!important;max-width:100%!important}
  .news-carousel-list > a{width:100%!important;min-width:100%!important;scroll-snap-align:start;-webkit-scroll-snap-align:start;padding:0 20px!important;box-sizing:border-box!important}
  #newsSection [style*="padding:0 40px"]{padding:0 20px!important}
  .news-body{padding:16px 0!important}

  /* Projects */
  .cases-grid{grid-template-columns:1fr!important}
  .case-img{height:180px}
  .case-info{padding:16px}
  .case-info h3{font-size:clamp(0.7rem,2.5vw,0.85rem)}
  .case-info p{font-size:clamp(0.7rem,2.5vw,0.85rem)}

  /* Products */
  .product-row{grid-template-columns:1fr!important}
  .product-row .prod-image{height:180px!important}
  .product-row .prod-info{padding:16px 0!important}
  .product-row .prod-info h3{font-size:clamp(0.8rem,2.8vw,1rem);margin-bottom:8px}
  .product-row .prod-info .slogan{font-size:clamp(0.65rem,2.5vw,0.8rem)}
  .product-row .prod-info p{font-size:clamp(0.65rem,2.5vw,0.8rem);margin-bottom:12px}

  /* Page Header */
  .page-header{height:35vh!important;min-height:240px!important}
  .page-header h1{font-size:clamp(1rem,3.8vw,1.3rem);letter-spacing:2px}
  .page-header p{font-size:clamp(0.7rem,2.5vw,0.85rem);letter-spacing:1px}

  /* CTA */
  .cta-section{padding:48px 0}
  .cta-section h2{font-size:clamp(0.9rem,3.5vw,1.2rem)}
  .cta-btn{padding:clamp(8px,3vw,12px) clamp(18px,6vw,28px);font-size:clamp(0.65rem,2.5vw,0.8rem)}

  /* Tech Compare */
  .tech-compare{gap:16px}
  .tech-card{padding:20px}
  .tech-card h3{font-size:clamp(0.75rem,2.6vw,0.9rem);margin-bottom:14px}
  .tech-card ul li{font-size:clamp(0.65rem,2.5vw,0.8rem);padding:8px 0}

  /* About */
  .about-grid{gap:24px}
  .about-card h3{font-size:clamp(0.75rem,2.6vw,0.9rem)}

  /* Services detail */
  .scroll-target{scroll-margin-top:56px}

  /* Floating Bar — bottom fixed bar, only visible near footer */
  .floating-bar{right:0!important;bottom:0!important;left:0!important;width:100%!important;flex-direction:row!important;justify-content:space-around!important;background:#31493C!important;border-radius:0!important;box-shadow:none!important;padding:6px 0!important;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))!important;padding-bottom:calc(6px + constant(safe-area-inset-bottom,0px))!important;z-index:9999!important;border-top:1px solid rgba(255,255,255,0.1);transform:translateY(100%)!important;transition:transform 0.3s ease!important}
  .floating-bar.visible{transform:translateY(0)!important}
  .floating-item{flex:1!important;width:auto!important;height:auto!important;padding:8px 0!important;background:transparent!important;color:#fff!important;border:none!important;border-bottom:none!important;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:clamp(0.65rem,2.2vw,0.8rem);border-radius:0!important}
  .floating-item > span:not(.floating-tooltip){display:block!important;color:rgba(255,255,255,0.85)!important;font-size:clamp(0.65rem,2.2vw,0.8rem)}
  .floating-item i{color:#fff!important;font-size:clamp(1.2rem,4.5vw,1.5rem);width:auto}
  .floating-item.cta{width:auto!important;height:auto!important;font-size:clamp(0.65rem,2.2vw,0.8rem)}
  .floating-tooltip{display:none!important}
  .floating-item:hover{background:transparent!important;color:#fff!important}

  /* Filter Bar */
  .filter-bar{gap:2px;margin-bottom:24px;flex-wrap:wrap}
  .filter-btn{padding:4px 12px;font-size:clamp(0.65rem,2.5vw,0.8rem)}

  /* Form */
  .form-card{padding:20px 16px}
  .form-group{margin-bottom:16px}
  .form-control{font-size:clamp(0.7rem,2.5vw,0.85rem);padding:0 0 8px}
  .form-submit{font-size:clamp(0.65rem,2.5vw,0.8rem);padding:12px 0}

  /* Back link */
  .back-link{font-size:clamp(0.65rem,2.5vw,0.8rem);margin-top:24px}

  /* Preloader */
  .preloader-logo{font-size:clamp(0.9rem,3.5vw,1.2rem);letter-spacing:4px}
  .preloader-bar{width:72px;margin-top:16px}

  /* Hide nav counter on mobile */
  .scroll-counter{font-size:clamp(0.6rem,2.2vw,0.75rem)}
}

/* Tablet (768 - 1024px) */
@media(min-width:768px)and(max-width:1024px){
  html{font-size:15px}
  .container{padding:0 24px}
  .section{padding:80px 0}
  .section-header{margin-bottom:50px}

  .hero{height:80vh;max-height:700px}
  .hero-title{font-size:clamp(1.6rem,4vw,2.8rem)}

  .split-text{padding:40px 48px}
  .split-image{min-height:360px}

  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:repeat(2,1fr)}

  .product-row .prod-info{padding:40px 48px}

  .footer .footer-main{grid-template-columns:1fr 1fr;gap:24px}

  .about-grid{grid-template-columns:1fr}
  .tech-compare{grid-template-columns:1fr}
}

/* Large Screen (>= 1920px) */
@media(min-width:1920px){
  :root{--max-width:1600px}
  .section{padding:160px 0}
  #starSlides{height:600px!important;min-height:600px!important}
  #starSlides .star-slide{height:600px!important;min-height:600px!important}
}
/* Ultra-wide Screen (>= 2400px) */
@media(min-width:2400px){
  :root{--max-width:1920px}
  html{font-size:clamp(16px,0.8vw,22px)}
  #starSlides{height:720px!important;min-height:720px!important}
  #starSlides .star-slide{height:720px!important;min-height:720px!important}
}

/* --- 电脑版：一站式服务流程"了解更多"居中显示 --- */
@media(min-width:768px){
  #processSection .reveal > div:last-child{text-align:center!important;margin-top:40px!important}
  #processLink{color:#888!important}
}

/* --- Anchor scroll offset (fixed topbar) --- */
.scroll-target{scroll-margin-top:80px}

/* --- Back button --- */
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:40px;
  font-family:var(--font-sans);font-size:0.8rem;letter-spacing:3px;
  color:var(--text-muted);transition:var(--transition);
}
.back-link:hover{color:var(--text-primary);gap:16px}

/* --- Dev Modal (link without URL) --- */
.dev-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:10000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity 0.25s ease,visibility 0.25s ease}
.dev-modal-overlay.active{opacity:1;visibility:visible}
.dev-modal-box{background:#fff;border-radius:12px;padding:32px 28px 24px;max-width:320px;width:86%;text-align:center;box-shadow:0 12px 40px rgba(0,0,0,0.2);transform:scale(0.9);transition:transform 0.25s ease}
.dev-modal-overlay.active .dev-modal-box{transform:scale(1)}
.dev-modal-icon{font-size:2.4rem;color:var(--gold);margin-bottom:12px;line-height:1}
.dev-modal-text{font-size:1rem;color:var(--text-primary);line-height:1.6;margin-bottom:24px;font-weight:400}
.dev-modal-btn{display:inline-block;padding:10px 36px;background:var(--green-primary);color:#fff;border:none;border-radius:6px;font-size:0.9rem;font-weight:600;letter-spacing:2px;cursor:pointer;transition:opacity 0.2s}
.dev-modal-btn:hover{opacity:0.85}

/* --- Cooperation Apply Form (3Trees-style) --- */
.coop-apply-wrap{display:grid;grid-template-columns:320px 1fr;gap:0;max-width:960px;margin:0 auto;border:1px solid var(--border-light);border-radius:8px;overflow:hidden;background:var(--bg-white)}
.coop-apply-tips{background:var(--bg-cream);padding:40px 32px}
.coop-apply-tips h3{font-size:1.05rem;font-weight:600;margin-bottom:16px}
.coop-apply-tips p{font-size:0.85rem;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.coop-apply-tips ul{list-style:none;padding:0;margin:0}
.coop-apply-tips ul li{font-size:0.85rem;color:var(--text-secondary);padding:6px 0;line-height:1.6}
.coop-apply-tips ul li strong{color:var(--primary);font-weight:600}
.coop-apply-form{padding:40px 36px}
.coop-apply-form h3{font-size:1.05rem;font-weight:600;margin-bottom:24px}
.coop-products{margin-bottom:20px}
.coop-products>label{display:block;font-size:0.85rem;font-weight:500;margin-bottom:10px;color:var(--text-primary)}
.coop-products-grid{display:flex;flex-wrap:wrap;gap:12px}
.coop-product-check{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-secondary);cursor:pointer;padding:8px 16px;border:1px solid var(--border-light);border-radius:4px;transition:all 0.3s}
.coop-product-check input{display:none}
.coop-product-check input:checked~.coop-check-mark{background:var(--primary);border-color:var(--primary)}
.coop-product-check input:checked~span:last-child{color:var(--primary);font-weight:500}
.coop-check-mark{width:16px;height:16px;border:1px solid var(--border-light);border-radius:3px;flex-shrink:0;position:relative;transition:all 0.3s}
.coop-check-mark::after{content:'✓';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--bg-white);font-size:0.75rem;opacity:0;transition:opacity 0.2s}
.coop-product-check input:checked~.coop-check-mark::after{opacity:1}
.coop-product-check:hover{border-color:var(--primary)}
.coop-form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin-bottom:0}
.coop-submit-row{display:flex;gap:16px;margin-top:24px}
.coop-submit-row .form-submit{flex:1}
.form-reset{padding:12px 24px;border:1px solid var(--border-light);border-radius:4px;background:var(--bg-white);color:var(--text-secondary);font-size:0.85rem;cursor:pointer;transition:all 0.3s;font-family:var(--font-sans)}
.form-reset:hover{border-color:var(--text-secondary);color:var(--text-primary)}
.coop-disclaimer{text-align:center;font-size:0.85rem;color:var(--text-muted);margin-top:16px}
@media(max-width:768px){
  .coop-apply-wrap{grid-template-columns:1fr}
  .coop-apply-tips{padding:24px;border-bottom:1px solid var(--border-light)}
  .coop-apply-form{padding:24px}
  .coop-form-row{grid-template-columns:1fr}
  .coop-products-grid{flex-direction:column}
}

/* --- Accordion (Elementis-style) --- */
.accordion{max-width:960px;margin:0 auto}
.accordion-item{border-bottom:1px solid rgba(255,255,255,0.15)}
.accordion-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 0;cursor:pointer;transition:var(--transition);
}
.accordion-header:hover{opacity:0.8}
.accordion-header .acc-num{font-family:var(--font-sans);font-size:0.85rem;color:rgba(255,255,255,0.5);width:40px}
.accordion-header .acc-title{flex:1;font-family:var(--font-sans);font-size:1.1rem;font-weight:500;letter-spacing:2px;color:rgba(255,255,255,0.8)}
.accordion-header .acc-arrow{font-size:1rem;color:rgba(255,255,255,0.5);transition:transform 0.4s ease}
.accordion-item.open .accordion-header .acc-arrow{transform:rotate(180deg)}
.accordion-item.open .accordion-header .acc-title{color:var(--bg-white)}
.accordion-body{
  max-height:0;overflow:hidden;transition:max-height 0.5s var(--ease-out);
}
.accordion-item.open .accordion-body{max-height:600px}
.accordion-content{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;
  padding:0 0 32px;align-items:start;
}
.accordion-content img{width:100%;border-radius:4px;aspect-ratio:4/3;object-fit:cover}
.accordion-content .acc-text{font-size:0.9rem;color:rgba(255,255,255,0.7);line-height:1.8}
.accordion-content .acc-text h4{font-size:1rem;color:var(--bg-white);margin-bottom:12px}
@media(max-width:768px){.accordion-content{grid-template-columns:1fr}}

/* --- VS Comparison (Full-width style) --- */
.vs-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;max-width:none;width:100%}
.vs-col{padding:48px 40px;border-radius:0}
.vs-col.old{background:var(--bg-white);border:1px solid var(--border-light)}
.vs-col.new{background:var(--green-primary);color:var(--bg-white)}
.vs-col h3{font-size:1.1rem;font-weight:600;letter-spacing:2px;margin-bottom:24px;text-align:center}
.vs-col ul{list-style:none;padding:0;margin:0}
.vs-col ul li{padding:14px 0;border-bottom:1px solid rgba(0,0,0,0.06);font-size:0.92rem;line-height:1.7;display:flex;align-items:flex-start;gap:12px}
.vs-col.new ul li{border-bottom-color:rgba(255,255,255,0.15)}
.vs-col ul li:last-child{border-bottom:none}
.vs-col.old ul li::before{content:'✗';color:#c0392b;font-weight:700;flex-shrink:0}
.vs-col.new ul li::before{content:'✓';color:var(--bg-white);font-weight:700;flex-shrink:0}
.vs-badge{
  width:72px;height:72px;background:var(--green-primary);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--bg-white);font-family:var(--font-sans);font-size:1.3rem;font-weight:700;
  align-self:center;z-index:1;box-shadow:0 4px 20px rgba(48,73,61,0.3);flex-shrink:0;
}
@media(max-width:768px){
  .vs-compare{grid-template-columns:1fr;gap:16px}
  .vs-col{padding:32px 24px;border-radius:8px}
  .vs-badge{margin:0 auto}
}

/* --- Wellness News Cards (elementis.co/wellness style) --- */
.wellness-news-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:0 40px;max-width:1400px;margin:0 auto;
}
.wellness-news-card{
  background:var(--bg-dark);border-radius:6px;overflow:hidden;
  transition:transform 0.4s var(--ease-out);cursor:pointer;
}
.wellness-news-card:hover{transform:translateY(-6px)}
.wellness-news-img{width:100%;aspect-ratio:4/3;overflow:hidden;background:#f0f0f0;display:flex;align-items:center;justify-content:center}
.wellness-news-img img{width:100%;height:100%;object-fit:contain;transition:transform 0.6s var(--ease-out)}
.wellness-news-card:hover .wellness-news-img img{transform:scale(1.05)}
.wellness-news-body{padding:20px}
.wellness-news-body h4{font-size:0.95rem;font-weight:600;color:var(--bg-white);margin-bottom:8px}
.wellness-news-body p{font-size:0.8rem;color:rgba(255,255,255,0.6);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:1024px){.wellness-news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.wellness-news-grid{grid-template-columns:1fr;padding:0 20px}}

/* --- One-Stop Image Cards --- */
.oneway-img-card:hover{box-shadow:0 8px 32px rgba(0,0,0,0.1);transform:translateY(-4px)}
.oneway-img-card:hover img{transform:scale(1.05)}

/* --- Report Cards --- */
.report-card{background:var(--bg-white);padding:32px 24px;text-align:center;border-radius:4px;transition:all 0.4s}
.report-card:hover{box-shadow:0 8px 32px rgba(0,0,0,0.08);transform:translateY(-4px)}
.report-card-icon{transition:transform 0.3s}
.report-card:hover .report-card-icon{transform:scale(1.05)}
.tech-tab-content{animation:fadeIn 0.5s ease}

/* --- About Accordion (Elementis style) --- */
.about-item .about-header:hover div:nth-child(2){color:var(--bg-white)!important}
.about-item.open .about-header div:first-child{color:rgba(255,255,255,0.7)!important}
.about-item.open .about-header div:nth-child(2){color:var(--bg-white)!important}
.about-item.open .about-arrow{transform:rotate(180deg)}

/* --- Case Filter Buttons --- */
.case-filter-btn:hover{color:var(--text-primary)!important}
.case-filter-btn.active{color:var(--green-primary)!important;border-bottom-color:var(--green-primary)!important;font-weight:600}
.page-btn.active{background:var(--green-primary)!important;border-color:var(--green-primary)!important;color:#fff!important}
.page-btn:hover{background:var(--bg-cream)!important;color:var(--text-primary)!important}

/* --- Renewal Tabs (Elementis expandable style) --- */
#renewalWrap .r-tab.open{background:var(--bg-dark);color:var(--bg-white)}
#renewalWrap .r-tab.open .r-header div:first-child{color:rgba(255,255,255,0.6)}
#renewalWrap .r-tab.open .r-header div:nth-child(2){color:var(--bg-white)}
#renewalWrap .r-tab.open .r-header .r-arrow{color:rgba(255,255,255,0.6);transform:rotate(180deg)}
#renewalWrap .r-tab.open .r-body div{color:rgba(255,255,255,0.7)}
#renewalWrap .r-tab.open .r-body h4{color:var(--bg-white)}
@media(max-width:768px){
  #renewalWrap{grid-template-columns:1fr!important}
  #renewalImgWrap{height:240px}
}

/* --- One-Stop Service Grid (4x2) --- */
.oneway-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--border-light)}
.oneway-card{
  background:var(--bg-white);padding:32px 24px;text-align:center;
  transition:all 0.4s var(--ease-out);cursor:pointer;
}
.oneway-card:hover{background:var(--bg-cream);transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,0.06)}
.oneway-icon{width:56px;height:56px;background:rgba(48,73,61,0.08);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.3rem;color:var(--green-primary)}
.oneway-card h4{font-size:0.95rem;font-weight:600;margin-bottom:8px}
.oneway-card p{font-size:0.82rem;color:var(--text-secondary);line-height:1.6}
@media(max-width:1024px){.oneway-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.oneway-grid{grid-template-columns:1fr}}

/* --- Tech Accordion (dark bg) --- */
.tech-dark-section{background:var(--bg-dark);color:var(--bg-white);padding:80px 0}
.tech-dark-section .section-header{text-align:center;margin-bottom:48px}
.tech-dark-section .section-tag{color:rgba(255,255,255,0.5)}
.tech-dark-section .section-title{color:var(--bg-white)}

/* --- Cases Before/After --- */
.case-detail-compare{display:grid;grid-template-columns:1fr 1fr;gap:0;max-width:960px;margin:0 auto;border-radius:8px;overflow:hidden}
.case-detail-compare img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-detail-compare .compare-label{
  position:absolute;bottom:16px;left:16px;background:var(--bg-dark);color:var(--bg-white);
  padding:6px 16px;font-size:0.8rem;font-family:var(--font-sans);letter-spacing:1px;border-radius:4px;
}
@media(max-width:768px){.case-detail-compare{grid-template-columns:1fr}}

/* --- Cards Grid --- */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.card-item{
  background:var(--bg-white);border-radius:6px;padding:36px 28px;
  border:1px solid var(--border-light);transition:var(--transition);
}
.card-item:hover{box-shadow:0 8px 32px rgba(0,0,0,0.08);transform:translateY(-2px)}
.card-icon{
  width:48px;height:48px;background:rgba(48,73,61,0.08);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;color:var(--green-primary);margin-bottom:20px;
}
.card-item h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;letter-spacing:0.5px}
.card-item p{font-size:0.88rem;color:var(--text-muted);line-height:1.7;margin-bottom:16px}

/* --- 案例卡片 (PARX风格) --- */
.case-card-simple{
  display:block;text-decoration:none;color:var(--text-primary);
  border-radius:4px;overflow:hidden;background:var(--bg-white);
  transition:var(--transition);
}
.case-card-simple:hover{box-shadow:0 8px 32px rgba(0,0,0,0.1);transform:translateY(-2px)}
.case-card-img{aspect-ratio:4/3;overflow:hidden}
.case-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease}
.case-card-simple:hover .case-card-img img{transform:scale(1.08)}
.case-card-body{padding:20px 20px 24px}
.case-card-body h3{font-size:1rem;font-weight:600;margin-bottom:8px;letter-spacing:0.5px}
.case-card-body p{font-size:0.82rem;color:var(--text-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* --- 案例详情：前后对比 --- */
.case-vs-section{padding:80px 0}
.case-vs-title{text-align:center;margin-bottom:48px}
.case-vs-title h2{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:400;letter-spacing:3px;margin-bottom:12px}
.case-vs-title p{font-size:0.9rem;color:var(--text-muted)}
.case-vs-wrap{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;max-width:1100px;margin:0 auto}
.case-vs-img{position:relative;overflow:hidden;border-radius:4px;aspect-ratio:16/10}
.case-vs-img img{width:100%;height:100%;object-fit:cover}
.case-vs-label{
  position:absolute;bottom:16px;left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,0.55);color:#fff;padding:6px 20px;border-radius:20px;
  font-size:0.85rem;letter-spacing:2px;white-space:nowrap;
}
.case-vs-divider{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:0 24px;
}
.case-vs-divider span{
  display:inline-block;font-size:clamp(1.2rem,2vw,1.6rem);
  font-weight:700;color:var(--green-primary);letter-spacing:2px;
}
.case-vs-desc{
  max-width:800px;margin:48px auto 0;padding:40px;
  background:var(--bg-cream);border-radius:6px;
}
.case-vs-desc h3{font-size:1.1rem;font-weight:600;margin-bottom:16px;letter-spacing:1px}
.case-vs-desc p{font-size:0.92rem;color:var(--text-muted);line-height:2}
.case-vs-desc .desc-tag{display:inline-block;background:var(--green-primary);color:#fff;padding:4px 12px;border-radius:3px;font-size:0.75rem;margin-bottom:12px;letter-spacing:1px}
@media(max-width:768px){
  .case-vs-wrap{grid-template-columns:1fr;gap:16px}
  .case-vs-divider{flex-direction:row;padding:16px 0}
  .case-vs-divider span{margin:0 12px}
}

/* --- 文章正文页 (帕柯斯新闻风格) --- */
.article-page{padding:60px 0 80px}
.article-header{max-width:800px;margin:0 auto 40px;text-align:center}
.article-meta{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:16px}
.article-cat{
  display:inline-block;padding:4px 14px;border:1px solid var(--green-primary);
  color:var(--green-primary);font-size:0.78rem;border-radius:3px;letter-spacing:1px;
}
.article-date{font-size:0.82rem;color:var(--text-muted)}

/* --- Banner 视频下载进度圆环 --- */
.banner-progress{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  z-index:5;display:flex;flex-direction:column;align-items:center;gap:10px;
  pointer-events:none;animation:bpFadeIn .3s ease-out;
}
.banner-progress-ring{position:relative;width:72px;height:72px}
.banner-progress-ring svg{width:100%;height:100%;display:block}
.banner-progress-fg{
  transition:stroke-dashoffset .25s ease-out;
  filter:drop-shadow(0 0 4px rgba(0,0,0,.35));
}
.banner-progress-pct{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:0.95rem;font-weight:600;color:#fff;
  text-shadow:0 1px 3px rgba(0,0,0,.4);letter-spacing:0.5px;
}
.banner-progress-text{
  font-size:0.78rem;color:rgba(255,255,255,0.92);
  letter-spacing:2px;text-shadow:0 1px 3px rgba(0,0,0,.4);
  background:rgba(0,0,0,0.25);padding:4px 12px;border-radius:20px;
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
@keyframes bpFadeIn{from{opacity:0;transform:translate(-50%,-50%) scale(.85)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.banner-progress.is-done{transition:opacity .5s ease;opacity:0}
@media(max-width:768px){
  .banner-progress-ring{width:56px;height:56px}
  .banner-progress-ring svg circle{stroke-width:3.5}
  .banner-progress-pct{font-size:0.8rem}
  .banner-progress-text{font-size:0.7rem;letter-spacing:1.5px}
}

/* --- Banner 视频层（背景播放不阻塞） --- */
.banner-slide video.banner-video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;background:#000;display:block;
}
.banner-slide[data-is-video="1"] .banner-overlay{z-index:1;opacity:1}
.banner-slide[data-is-video="1"] .banner-content{position:relative;z-index:3}
.article-title{
  font-size:clamp(1.6rem,3vw,2.2rem);font-weight:400;letter-spacing:3px;
  line-height:1.4;margin-bottom:12px;
}
.article-subtitle{font-size:0.9rem;color:var(--text-muted);letter-spacing:1px}
.article-content{max-width:800px;margin:0 auto}
.article-content p{
  font-size:0.95rem;color:var(--text-primary);line-height:2;
  margin-bottom:24px;text-align:justify;
}
.article-content h2{
  font-size:1.15rem;font-weight:600;margin:40px 0 16px;
  padding-left:14px;border-left:3px solid var(--green-primary);letter-spacing:1px;
}
.article-content ul{margin:0 0 24px 20px}
.article-content li{font-size:0.92rem;line-height:2;margin-bottom:8px;color:var(--text-primary)}
.article-content li strong{color:var(--green-primary)}
.article-img-full{width:100%;border-radius:4px;margin:24px 0;display:block}
.article-vs{
  display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:center;
  margin:32px 0;background:var(--bg-cream);border-radius:6px;overflow:hidden;
}
.article-vs-item{position:relative;aspect-ratio:16/10;overflow:hidden}
.article-vs-item img{width:100%;height:100%;object-fit:cover}
.article-vs-label{
  position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,0.6);color:#fff;padding:6px 24px;border-radius:20px;
  font-size:0.85rem;letter-spacing:3px;white-space:nowrap;
}
.article-vs-divider{
  padding:0 20px;font-size:1.3rem;font-weight:700;
  color:var(--green-primary);letter-spacing:2px;
}
.article-footer{
  max-width:800px;margin:48px auto 0;padding-top:32px;
  border-top:1px solid var(--border-light);
}
@media(max-width:768px){
  .article-vs{grid-template-columns:1fr;gap:2px}
  .article-vs-divider{padding:12px 0;text-align:center}
}

@media(max-width:768px){.cards-grid{grid-template-columns:1fr}}

/* --- Sub-page Tabs --- */
.sub-tabs{display:flex;gap:0;border-bottom:2px solid var(--border-light);margin-bottom:40px;max-width:960px;margin:0 auto 40px}
.sub-tab{
  padding:16px 32px;font-family:var(--font-sans);font-size:0.9rem;font-weight:500;
  color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;
  margin-bottom:-2px;transition:var(--transition);letter-spacing:1px;
}
.sub-tab:hover{color:var(--text-primary)}
.sub-tab.active{color:var(--green-primary);border-bottom-color:var(--green-primary)}

/* --- 产品中心三列网格 (PARX风格) --- */
.prod-grid-3{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.prod-card-simple{
  display:block;text-decoration:none;color:var(--text-primary);
  border-radius:4px;overflow:hidden;background:var(--bg-white);
  transition:var(--transition);
}
.prod-card-simple:hover{box-shadow:0 8px 32px rgba(0,0,0,0.1);transform:translateY(-2px)}
.prod-card-img{aspect-ratio:4/3;overflow:hidden}
.prod-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease}
.prod-card-simple:hover .prod-card-img img{transform:scale(1.05)}
.prod-card-name{padding:16px 20px;font-size:0.95rem;font-weight:500;letter-spacing:1px;text-align:center}

/* --- 新闻列表 (豆腐块卡片网格) --- */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.news-row{
  display:flex;flex-direction:column;
  padding:0;border:1px solid var(--border-light);border-radius:8px;
  text-decoration:none;color:var(--text-primary);overflow:hidden;
  background:var(--bg-white);transition:var(--transition);
}
.news-row:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,0.10)}
.news-row-img{border-radius:0;overflow:hidden;aspect-ratio:16/10;background:var(--bg-cream);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.news-row-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}
.news-row:hover .news-row-img img{transform:scale(1.05)}
.news-row-body{display:flex;flex-direction:column;justify-content:flex-start;padding:18px 20px 22px}
.news-row-body h3{font-size:1.05rem;font-weight:600;margin:8px 0;letter-spacing:0.5px;line-height:1.5}
.news-row-body p{font-size:0.88rem;color:var(--text-muted);line-height:1.7;margin-top:8px}
.news-row:hover h3{color:var(--green-primary)}

/* --- News Pagination --- */
.news-pagination{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-top:44px}
.news-pagination button{
  min-width:34px;height:34px;padding:0 12px;border-radius:4px;border:1px solid var(--border-light);
  background:var(--bg-white);color:var(--text-primary);font-size:0.9rem;cursor:pointer;
  font-family:var(--font-sans);display:inline-flex;align-items:center;justify-content:center;
  transition:var(--transition);
}
.news-pagination button:hover:not(:disabled):not(.active){border-color:var(--green-primary);color:var(--green-primary)}
.news-pagination button.active{background:var(--green-primary);border-color:var(--green-primary);color:#fff;font-weight:600}
.news-pagination button:disabled{opacity:0.4;cursor:not-allowed}

/* --- Filter Bar --- */
.filter-bar{display:flex;gap:0;border-bottom:1px solid var(--border-light);margin-bottom:40px}
.filter-btn{
  padding:12px 24px;font-family:var(--font-sans);font-size:0.88rem;
  color:var(--text-muted);background:none;border:none;cursor:pointer;
  border-bottom:2px solid transparent;margin-bottom:-1px;transition:var(--transition);
}
.filter-btn:hover{color:var(--text-primary)}
.filter-btn.active{color:var(--green-primary);border-bottom-color:var(--green-primary);font-weight:600}

@media(max-width:1024px){.prod-grid-3{grid-template-columns:repeat(2,1fr)}.news-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .prod-grid-3{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .news-row-img{aspect-ratio:16/9}
}

/* --- Large Screen --- */
@media(min-width:1920px){
  :root{--max-width:1600px}
  .section{padding:160px 0}
}
@media(min-width:2400px){
  :root{--max-width:1920px}
  html{font-size:clamp(16px,0.8vw,22px)}
}

/* ---- AI Chat Widget ---- */
.ai-chat-btn {
  position: fixed; left: 24px; bottom: 24px; z-index: 900;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-light) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; cursor: pointer;
  box-shadow: 0 4px 20px rgba(48,73,61,0.4);
  transition: transform var(--transition), opacity 0.5s ease, visibility 0.5s ease;
  animation: aiPulse 2s ease-in-out infinite;
  opacity: 1; visibility: visible;
}
/* 非打扰模式：静置淡出后，仅保留一个不遮挡内容的小圆点，随时可点亮 */
.ai-chat-btn.ai-chat-btn-hidden {
  opacity: 0.18;
  transform: scale(0.62);
  animation: none;
  box-shadow: none;
}
.ai-chat-btn.ai-chat-btn-hidden:hover { opacity: 0.9; transform: scale(1); animation: aiPulse 2s ease-in-out infinite; box-shadow: 0 4px 20px rgba(48,73,61,0.4); }
.ai-chat-btn:hover { transform: scale(1.1); }
@keyframes aiPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(48,73,61,0.4); }
  50% { box-shadow: 0 4px 30px rgba(74,191,122,0.6); }
}
.ai-chat-window {
  position: fixed; left: 24px; bottom: 100px; z-index: 1998;
  width: 400px; height: 520px; border-radius: 16px;
  background: #fff; box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  display: flex; flex-direction: column; overflow: hidden;
  transform: translateY(20px) scale(0.9); opacity: 0;
  pointer-events: none; transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  font-family: var(--font-sans);
}
.ai-chat-window.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }
.ai-chat-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-light) 100%);
  color: #fff;
}
.ai-chat-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.25); display: flex;
  align-items: center; justify-content: center; font-size: 1.2rem;
}
.ai-chat-title-group { flex: 1; }
.ai-chat-title { font-size: 1rem; font-weight: 600; }
.ai-chat-status { font-size: 0.8rem; opacity: 0.9; }
.ai-chat-close { font-size: 1.4rem; cursor: pointer; opacity: 0.85; transition: opacity 0.3s; line-height:1; }
.ai-chat-close:hover { opacity: 1; }
.ai-chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.ai-msg { max-width: 80%; padding: 12px 16px; border-radius: 16px; font-size: 0.9rem; line-height: 1.6; }
.ai-msg.bot { align-self: flex-start; background: #f1f5f2; color: #222; border-bottom-left-radius: 4px; }
.ai-msg.user { align-self: flex-end; background: var(--green-primary); color: #fff; border-bottom-right-radius: 4px; }
.ai-msg.agent { align-self: flex-start; background: #e8f5e9; color: #14532d; border-bottom-left-radius: 4px; border: 1px solid #b7dfc0; }
.ai-msg.agent::before { content: "人工"; display: block; font-size: 0.66rem; color: #2d8a4e; font-weight: 600; margin-bottom: 4px; letter-spacing: 1px; }
.ai-human-bar { display: none; font-size: 0.74rem; line-height: 1.4; color: #14532d; background: #e8f5e9; border-bottom: 1px solid #b7dfc0; padding: 8px 16px; font-weight: 600; }
.ai-msg-typing { display: flex; gap: 4px; padding: 12px 16px; }
.ai-msg-typing span { width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); animation: typingDot 1.4s ease-in-out infinite; }
.ai-msg-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-msg-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }
.ai-context-bar { font-size: 0.72rem; line-height: 1.4; color: var(--green-primary); padding: 8px 16px 0; display: none; opacity: 0.9; }
.ai-product-card { display: flex; gap: 12px; align-items: center; margin: 10px 16px; padding: 10px; background: #f7f9fc; border: 1px solid var(--border-light); border-radius: 10px; }
.ai-product-card .ai-product-img { flex: 0 0 64px; width: 64px; height: 64px; border-radius: 8px; overflow: hidden; background: var(--border-light); }
.ai-product-card .ai-product-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ai-product-card .ai-product-info { flex: 1 1 auto; min-width: 0; }
.ai-product-card .ai-product-name { font-size: 0.85rem; font-weight: 600; color: #222; line-height: 1.35; margin-bottom: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-product-card .ai-product-link { font-size: 0.78rem; font-weight: 600; color: var(--green-primary); }
.ai-product-card .ai-product-link:hover { text-decoration: underline; }
.ai-suggestions { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 12px; }
.ai-suggest-btn { padding: 6px 14px; font-size: 0.82rem; font-weight: 500; border: 1px solid var(--green-primary); color: var(--green-primary); border-radius: 20px; background: transparent; cursor: pointer; transition: all 0.3s; }
.ai-suggest-btn:hover { background: var(--green-primary); color: #fff; }
.ai-suggest-toggle { display: none; align-items: center; gap: 6px; padding: 4px 12px; font-size: 0.75rem; font-weight: 500; border: 1px dashed var(--green-primary); color: var(--green-primary); border-radius: 20px; background: transparent; cursor: pointer; opacity: 0.85; transition: all 0.3s; }
.ai-suggest-toggle:hover { opacity: 1; background: rgba(48,73,61,0.06); }
.ai-suggest-arrow { font-size: 0.68rem; line-height: 1; }
.ai-suggestions.collapsed { padding: 0 16px 8px; }
.ai-suggestions.collapsed .ai-suggest-toggle { display: inline-flex; }
.ai-suggestions.collapsed .ai-suggest-btn { display: none; }
.ai-chat-input { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border-light); }
.ai-chat-input input { flex: 1; padding: 10px 16px; border: 1px solid var(--border-light); border-radius: 20px; font-size: 0.9rem; outline: none; font-family: var(--font-sans); color: var(--text-primary); }
.ai-chat-input input:focus { border-color: var(--green-primary); }
.ai-chat-send { width: 40px; height: 40px; border-radius: 50%; background: var(--green-primary); color: #fff; border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background 0.3s; }
.ai-chat-send:hover { background: var(--green-dark); }
@media(max-width:767px){
  .ai-chat-window { left: 0; right: 0; top: 0; bottom: 0; width: 100%; height: 100vh; height: 100dvh; max-height: none; border-radius: 0; z-index: 2500; transform: translateY(100%); opacity: 1; }
  .ai-chat-window.open { transform: translateY(0); }
  .ai-chat-header { padding-top: calc(16px + env(safe-area-inset-top)); }
  .ai-chat-close { font-size: 1.6rem; padding: 8px 12px; margin-right: -8px; min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; }
  .ai-msg { max-width: 86%; }
  .ai-chat-input { padding-bottom: calc(12px + env(safe-area-inset-bottom)); }
  body.ai-chat-full { overflow: hidden; }
}