/* ============================================
   MYLVRS — 重庆麦纳维斯货架有限公司
   ═══ Multi-Page Commercial Premium ═══
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&family=Oswald:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Custom Properties ─── */
:root {
  --brand-orange: #E06B20;
  --brand-orange-dark: #C95D15;
  --brand-orange-light: #F5A623;
  --brand-orange-glow: rgba(224,107,32,0.25);
  --brand-orange-glow-strong: rgba(224,107,32,0.4);
  --brand-orange-soft: #FDF2E8;
  --brand-orange-bg: rgba(224,107,32,0.08);
  --steel-deep: #0F2A3E;
  --steel-primary: #1A3D5C;
  --steel-mid: #2C5A7A;
  --steel-light: #A8C4D8;
  --steel-ultralight: #D4E2ED;
  --near-black: #0B1A2A;
  --charcoal: #1E2D3D;
  --text-body: #3D4F60;
  --text-secondary: #6B7D8E;
  --text-muted: #8A9BAB;
  --gray-50: #FAFBFD;
  --gray-100: #F5F7FA;
  --gray-200: #E8EBF0;
  --gray-300: #D1D6DE;
  --gray-400: #9BA6B4;
  --white: #FFFFFF;
  --bg-light: #eef1f4;
  --bg-warm: #FDF8F4;
  --bg-dark: #0B1A2A;
  --bg-accent-gradient: linear-gradient(135deg,#0B1A2A,#0F2A3E,#132F48);
  --font-display: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body: 'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-accent: 'Oswald','Noto Sans SC',sans-serif;
  --font-number: 'Oswald','Inter',sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
  --section-padding: 100px 0;
  --section-padding-mobile: 60px 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --ease-out: cubic-bezier(0.22,1,0.36,1);
  --ease-spring: cubic-bezier(0.34,1.56,0.64,1);
  --ease-smooth: cubic-bezier(0.65,0,0.35,1);
  --transition-fast: 0.25s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
  --transition-spring: 0.5s var(--ease-spring);
  --shadow-xs: 0 1px 2px rgba(15,42,62,0.04);
  --shadow-sm: 0 1px 3px rgba(15,42,62,0.06);
  --shadow-md: 0 4px 16px rgba(15,42,62,0.08);
  --shadow-lg: 0 8px 32px rgba(15,42,62,0.10);
  --shadow-xl: 0 16px 48px rgba(15,42,62,0.14);
  --shadow-2xl: 0 24px 64px rgba(15,42,62,0.18);
  --shadow-orange: 0 6px 24px var(--brand-orange-glow);
  --shadow-orange-strong: 0 8px 32px var(--brand-orange-glow-strong);
  --glass-bg: rgba(11,26,42,0.88);
  --glass-border: rgba(255,255,255,0.06);
  --glass-blur: blur(18px) saturate(1.3);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
body{font-family:var(--font-body);font-size:16px;font-weight:400;color:var(--text-body);background:#f2f4f7;line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--brand-orange);color:var(--white)}
:focus-visible{outline:2px solid var(--brand-orange);outline-offset:2px}
.container{max-width:var(--max-width);margin:0 auto;padding:0 28px}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.15;color:var(--near-black);letter-spacing:0}

/* ─── Shared Sections ─── */
section{position:relative}
.section-header{text-align:center;margin-bottom:50px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-accent);font-weight:500;font-size:.78rem;text-transform:uppercase;letter-spacing:3px;color:var(--brand-orange);margin-bottom:14px;padding:6px 20px;border:1.5px solid var(--brand-orange);position:relative;transition:var(--transition-base)}
.section-tag::before{content:'';position:absolute;inset:0;background:var(--brand-orange);opacity:0;transition:var(--transition-base);z-index:-1}
.section-header:hover .section-tag::before{opacity:0.08}
.section-title{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:700;color:var(--near-black);line-height:1.1;letter-spacing:-.02em}
.section-title .highlight{color:var(--brand-orange)}
.section-subtitle{font-size:1rem;color:var(--text-secondary);max-width:560px;margin:12px auto 0;line-height:1.8}
.section-divider{width:50px;height:3px;background:var(--brand-orange);margin:14px auto 0;border:none}
.section-header--light .section-tag{border-color:var(--brand-orange);color:var(--brand-orange)}
.section-header--light .section-title{color:var(--white)}
.section-header--light .section-title .highlight{color:var(--brand-orange)}
.section-header--light .section-subtitle{color:var(--steel-light)}

/* ─── Buttons ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-accent);font-weight:500;font-size:.82rem;letter-spacing:1.5px;text-transform:uppercase;padding:16px 34px;border:2px solid transparent;cursor:pointer;transition:all .35s var(--ease-out);position:relative;overflow:hidden;white-space:nowrap}
.btn::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,.15);transform:translateX(-100%) skewX(-15deg);transition:transform .5s var(--ease-out)}
.btn:hover::after{transform:translateX(100%) skewX(-15deg)}
.btn-primary{background:var(--brand-orange);color:var(--white);border-color:var(--brand-orange);box-shadow:var(--shadow-orange)}
.btn-primary:hover{background:var(--brand-orange-dark);border-color:var(--brand-orange-dark);transform:translateY(-2px);box-shadow:var(--shadow-orange-strong)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35)}
.btn-outline:hover{background:var(--white);color:var(--steel-deep);border-color:var(--white);transform:translateY(-2px)}
.btn-outline--dark{background:transparent;color:var(--steel-deep);border-color:var(--steel-deep)}
.btn-outline--dark:hover{background:var(--steel-deep);color:var(--white);border-color:var(--steel-deep);box-shadow:var(--shadow-md)}
.btn-lg{padding:18px 44px;font-size:.9rem}
.btn-sm{padding:12px 24px;font-size:.72rem}

/* ============================================
   NAVIGATION (Shared)
   ============================================ */
.navbar{position:fixed;top:0;left:0;width:100%;height:var(--nav-height);z-index:1000;background:linear-gradient(180deg,rgba(11,26,42,.7) 0%,rgba(11,26,42,.3) 70%,transparent 100%);transition:all .5s var(--ease-out);border-bottom:1px solid rgba(255,255,255,.04)}
.navbar.scrolled{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:0 1px 40px rgba(0,0,0,.25);border-bottom:1px solid var(--glass-border)}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:100%}

/* Light sway animation across hero */
.hero-light-sway{
  position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden;
}
.hero-light-sway::before{
  content:'';position:absolute;top:-30%;left:-20%;width:50%;height:160%;
  background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.015) 25%,rgba(224,107,32,.06) 40%,rgba(224,107,32,.12) 50%,rgba(224,107,32,.06) 60%,rgba(255,255,255,.015) 75%,transparent 100%);
  transform:skewX(-15deg);
  animation:lightSway 14s ease-in-out infinite;
}
.hero-light-sway::after{
  content:'';position:absolute;top:-10%;right:-10%;width:30%;height:120%;
  background:linear-gradient(180deg,transparent 0%,rgba(224,107,32,.03) 30%,rgba(224,107,32,.06) 50%,rgba(224,107,32,.03) 70%,transparent 100%);
  border-radius:50%;
  animation:lightPulse 8s ease-in-out infinite 1s;
}
@keyframes lightSway{
  0%{transform:skewX(-15deg) translateX(-120%)}
  35%{transform:skewX(-15deg) translateX(350%)}
  65%{transform:skewX(-15deg) translateX(350%)}
  100%{transform:skewX(-15deg) translateX(-120%)}
}
@keyframes lightPulse{
  0%,100%{opacity:0;transform:scale(1)}
  50%{opacity:1;transform:scale(1.1)}
}
.nav-logo{display:flex;align-items:center;gap:12px;z-index:1001}

/* ─── Hero Image Carousel ─── */
.hero-carousel{
  position:absolute;inset:0;z-index:0;overflow:hidden;
}
.hero-carousel__slide{
  position:absolute;inset:0;
  background-size:cover;background-position:center center;
  opacity:0;transition:opacity 1s cubic-bezier(.4,0,.2,1),transform 1.2s cubic-bezier(.4,0,.2,1);
  transform:scale(1);
}
.hero-carousel__slide.active{
  opacity:1;transform:scale(1);
}
.hero-carousel__slide.exit-left{
  opacity:0;transform:translateX(-12%) scale(.98);
}
.hero-carousel__slide.exit-right{
  opacity:0;transform:translateX(12%) scale(.98);
}
.hero-carousel__slide.enter-left{
  opacity:0;transform:translateX(-12%) scale(.98);
}
.hero-carousel__slide.enter-right{
  opacity:0;transform:translateX(12%) scale(.98);
}

/* ─── Carousel Caption Text ─── */
.hero-carousel__caption{
  position:absolute;top:30%;left:50%;transform:translate(-50%,-60%);z-index:2;
  display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;
  opacity:0;
  transition:all .8s cubic-bezier(.16,1,.3,1) .4s;
  pointer-events:none;
}
.hero-carousel__slide.active .hero-carousel__caption{
  opacity:1;
}
.hero-carousel__slide .hc-label{font-size:clamp(1.4rem,3.5vw,2.6rem);text-shadow:0 4px 30px rgba(0,0,0,.7)}
.hero-carousel__slide .hc-desc{font-size:clamp(.85rem,1.5vw,1.1rem);text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hc-label{
  font-family:var(--font-accent);font-weight:800;
  font-size:clamp(1.1rem,2.8vw,2rem);
  color:#fff;text-shadow:0 0 40px rgba(255,255,255,.3),0 2px 20px rgba(0,0,0,.6);
  letter-spacing:-.02em;
}
.hc-desc{
  font-size:clamp(.75rem,1.2vw,.9rem);
  color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.5);
  letter-spacing:.5px;
}
@media(max-width:768px){
  .hero-carousel__caption{top:25%;left:50%;transform:translate(-50%,-60%);align-items:center;text-align:center}
  .hc-label{font-size:1rem}
  .hc-desc{font-size:.7rem}
}

.hero-carousel__overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg,rgba(11,26,42,.60) 0%,rgba(11,26,42,.30) 35%,rgba(11,26,42,.08) 65%,rgba(11,26,42,.20) 100%);
  pointer-events:none;
}
.hero-carousel__dots{
  position:absolute;bottom:80px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;z-index:5;
}
.hero-carousel__dots span{
  width:10px;height:10px;border-radius:50%;
  background:rgba(255,255,255,.25);cursor:pointer;
  transition:all .4s var(--ease-out);
}
.hero-carousel__dots span.active{
  background:var(--brand-orange);
  box-shadow:0 0 12px var(--brand-orange-glow);
  width:28px;border-radius:5px;
}

/* ─── Carousel Arrow Buttons ─── */
.hero-carousel__arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:6;
  width:48px;height:48px;border:none;border-radius:50%;
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.6);
  font-size:1.4rem;line-height:1;cursor:pointer;
  backdrop-filter:blur(8px);
  transition:all .35s var(--ease-out);
  display:flex;align-items:center;justify-content:center;
}
.hero-carousel__arrow:hover{
  background:rgba(224,107,32,.6);
  color:var(--white);
  transform:translateY(-50%) scale(1.1);
  box-shadow:0 0 24px rgba(224,107,32,.3);
}
.hero-carousel__arrow--left{left:24px}
.hero-carousel__arrow--right{right:24px}
@media(max-width:768px){
  .hero-carousel__arrow{width:36px;height:36px;font-size:1rem}
  .hero-carousel__arrow--left{left:12px}
  .hero-carousel__arrow--right{right:12px}
}
.logo-mark{display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--brand-orange);color:var(--white);font-family:var(--font-accent);font-size:1.6rem;font-weight:700;line-height:1;transition:var(--transition-base);flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.1;gap:4px}
.logo-text strong{font-family:var(--font-body);font-weight:600;font-size:1.05rem;color:var(--white);letter-spacing:1px}
.logo-text small{font-size:.55rem;color:var(--steel-light);letter-spacing:1.5px;text-transform:uppercase;opacity:.7}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-family:var(--font-accent);font-weight:400;font-size:.82rem;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,.65);position:relative;padding:6px 0;transition:color .3s ease}
.nav-links a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%) scaleX(0);width:100%;height:2px;background:var(--brand-orange);transition:transform .35s var(--ease-out)}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after,.nav-links a.active::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.active{color:var(--white)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}
.nav-toggle span{display:block;width:26px;height:2px;background:#fff;border-radius:2px;transition:all .4s var(--ease-out);transform-origin:center}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ─── Sub-page Hero Banner ─── */
.sub-hero{
  position:relative;
  padding:80px 0 40px;
  background:var(--bg-accent-gradient);
  overflow:hidden;
  text-align:center;
}
.sub-hero::before{
  content:'';
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,transparent,transparent 40px,rgba(255,255,255,.02) 40px,rgba(255,255,255,.02) 41px),
      repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(255,255,255,.02) 40px,rgba(255,255,255,.02) 41px);
  pointer-events:none;
}
.sub-hero-glow{
  position:absolute;top:-30%;right:-20%;width:60%;height:160%;
  background:radial-gradient(ellipse at center,rgba(224,107,32,.06) 0%,transparent 70%);
  pointer-events:none;
}
.sub-hero .container{position:relative;z-index:2}
.sub-hero-breadcrumb{
  font-family:var(--font-body);font-size:.7rem;color:var(--steel-light);margin-bottom:8px;opacity:.6;
}
.sub-hero-breadcrumb a{color:var(--steel-light);transition:color .3s}
.sub-hero-breadcrumb a:hover{color:var(--brand-orange)}
.sub-hero-breadcrumb .sep{margin:0 8px;opacity:.4}
.sub-hero h1{
  font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:900;color:var(--white);line-height:1.2;margin-bottom:6px;
}
.sub-hero p{
  font-size:.85rem;color:var(--steel-light);max-width:580px;margin:0 auto;opacity:.8;
}

/* ─── Floating Bar ─── */
.floating-bar{position:fixed;right:24px;bottom:96px;z-index:999;display:flex;flex-direction:column;gap:10px}
.floating-bar__item{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--steel-deep);color:var(--white);border:1px solid rgba(255,255,255,.1);font-size:1.15rem;transition:all .35s var(--ease-out);position:relative;overflow:hidden}
.floating-bar__item::before{content:'';position:absolute;inset:0;background:var(--brand-orange);transform:translateY(100%);transition:transform .35s var(--ease-out);z-index:0}
.floating-bar__item i{position:relative;z-index:1}
.floating-bar__item:hover::before{transform:translateY(0)}
.floating-bar__item:hover{border-color:var(--brand-orange);box-shadow:0 4px 20px var(--brand-orange-glow)}
.floating-bar__tooltip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);background:var(--steel-deep);color:var(--white);font-family:var(--font-body);font-size:.75rem;padding:6px 14px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .3s var(--ease-out);pointer-events:none}
.floating-bar__item:hover .floating-bar__tooltip{opacity:1;visibility:visible;right:calc(100% + 16px)}

/* ============================================
   PAGE: HOME
   ============================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:var(--bg-dark);overflow:hidden}
.hero-glow{position:absolute;top:-30%;right:-20%;width:70%;height:160%;background:radial-gradient(ellipse at center,rgba(26,61,92,.35) 0%,transparent 70%);pointer-events:none;z-index:0}
.hero-glow--orange{position:absolute;bottom:-20%;left:-10%;width:50%;height:80%;background:radial-gradient(ellipse at center,rgba(224,107,32,.06) 0%,transparent 70%);pointer-events:none;z-index:0}
.hero-fade{position:absolute;bottom:0;left:0;right:0;height:200px;background:linear-gradient(to top,rgba(11,26,42,.5) 0%,transparent 100%);pointer-events:none;z-index:1}
.hero-bg-grid{position:absolute;inset:0;opacity:.04;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:140px 0 100px;position:relative;z-index:2;width:100%}
.hero-content{position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-accent);font-weight:500;font-size:.7rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--brand-orange);border:1.5px solid rgba(224,107,32,.4);padding:6px 16px;margin-bottom:28px;animation:fadeSlideUp .8s var(--ease-out) both}
.hero-badge::before{content:'';width:6px;height:6px;background:var(--brand-orange);border-radius:50%;flex-shrink:0}
.hero-title{margin-bottom:20px;animation:fadeSlideUp .8s var(--ease-out) .1s both}
.hero-title .title-line{display:block;font-size:clamp(1.5rem,3.5vw,2.8rem);font-weight:800;line-height:1.3;color:var(--white);letter-spacing:-.02em;text-shadow:0 2px 24px rgba(0,0,0,.5)}
.hero-title .title-line.accent{color:var(--brand-orange);position:relative;display:inline}
.hero-title .title-line.accent::after{content:'';position:absolute;bottom:3px;left:0;right:0;height:4px;background:rgba(224,107,32,.2);border-radius:2px;z-index:-1}
.hero-desc{font-size:1.05rem;font-weight:300;color:var(--steel-light);margin-bottom:32px;line-height:2;max-width:500px;animation:fadeSlideUp .8s var(--ease-out) .2s both}
.hero-actions{display:flex;gap:16px;margin-bottom:44px;animation:fadeSlideUp .8s var(--ease-out) .3s both}
.hero-stats{display:flex;gap:40px;animation:fadeSlideUp .8s var(--ease-out) .4s both}
.stat-item{display:flex;flex-direction:column;gap:2px;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:-20px;top:50%;transform:translateY(-50%);width:1px;height:36px;background:rgba(255,255,255,.08)}
.stat-num{font-family:var(--font-number);font-size:2.6rem;font-weight:700;color:var(--white);line-height:1;letter-spacing:-.02em}
.stat-label{font-family:var(--font-body);font-size:.72rem;color:var(--steel-light);opacity:.7;letter-spacing:1px}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;animation:fadeSlideUp .8s var(--ease-out) .2s both}
.hero-visual-bg{position:absolute;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(224,107,32,.07) 0%,transparent 65%);animation:pulseGlow 5s ease-in-out infinite}
.hero-visual-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:14px;width:380px}
.hero-visual-item{position:relative;aspect-ratio:1;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px;transition:all .4s var(--ease-out);overflow:hidden;cursor:default}
.hero-visual-item::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(224,107,32,.06) 100%);opacity:0;transition:opacity .4s ease}
.hero-visual-item::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--brand-orange),transparent);opacity:0;transition:opacity .4s ease}
.hero-visual-item:hover{border-color:rgba(224,107,32,.3);transform:translateY(-6px);background:rgba(255,255,255,.07);box-shadow:0 8px 30px rgba(0,0,0,.3)}
.hero-visual-item:hover::before{opacity:1}
.hero-visual-item:hover::after{opacity:1}
.hero-visual-item i{font-size:1.8rem;color:var(--brand-orange);transition:transform .4s var(--ease-spring)}
.hero-visual-item:hover i{transform:scale(1.2)}
.hero-visual-item span{font-family:var(--font-display);font-weight:500;font-size:.7rem;letter-spacing:.5px;color:var(--steel-light);text-align:center;line-height:1.4}
.hero-visual-item.primary{grid-column:1/-1;aspect-ratio:2;flex-direction:row;gap:16px;background:rgba(224,107,32,.06);border-color:rgba(224,107,32,.15)}
.hero-visual-item.primary i{font-size:2.2rem}
.hero-visual-item.primary span{font-family:var(--font-accent);font-size:.9rem;letter-spacing:2px;text-transform:uppercase;color:var(--white);font-weight:500}
@keyframes pulseGlow{0%,100%{transform:scale(1);opacity:.4}50%{transform:scale(1.1);opacity:.7}}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;color:rgba(255,255,255,.2);font-family:var(--font-accent);font-size:.6rem;letter-spacing:3px;text-transform:uppercase;z-index:2;animation:heroScroll 2.5s ease-in-out infinite}
.hero-scroll i{font-size:.7rem}
@keyframes heroScroll{0%,100%{transform:translateX(-50%) translateY(0);opacity:.5}50%{transform:translateX(-50%) translateY(6px);opacity:1}}

/* ─── Home: Products Overview ─── */
.home-products{padding:var(--section-padding);background:var(--bg-light)}
.home-products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.home-product-card{background:#f2f4f7;padding:36px 28px;border:1px solid var(--gray-200);text-align:center;transition:all .4s var(--ease-out);border-radius:var(--radius-md);position:relative;overflow:hidden}
.home-product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--steel-primary);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-out)}
.home-product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:transparent}
.home-product-card:hover::before{transform:scaleX(1)}
.home-product-card .card-icon{width:64px;height:64px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;background:var(--brand-orange-bg);font-size:1.6rem;color:var(--brand-orange);border-radius:var(--radius-sm);transition:all .4s var(--ease-out)}
.home-product-card .card-img-wrap{
  width:100%;height:180px;margin:0 auto 18px;
  border-radius:var(--radius-sm);overflow:hidden;
  background:var(--gray-100);
}
.card-product-img{
  width:100%;height:100%;object-fit:cover;
  display:block;transition:transform .5s var(--ease-out);
}
.home-product-card:hover .card-product-img{
  transform:scale(1.08);
}
.home-product-card:hover .card-icon{background:var(--steel-primary);color:var(--white)}
.home-product-card h3{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--near-black);margin-bottom:8px}
.home-product-card p{font-size:.85rem;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.home-product-card .card-link{font-family:var(--font-accent);font-size:.72rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--brand-orange);font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:gap .3s ease}
.home-product-card .card-link i{font-size:.6rem;transition:transform .3s ease}
.home-product-card:hover .card-link{gap:10px}
.home-product-card:hover .card-link i{transform:translateX(4px)}

/* ─── Home: Case Highlights ─── */
.home-cases{padding:var(--section-padding);background:var(--white)}
.home-cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.home-case-card{position:relative;border:1px solid var(--gray-200);overflow:hidden;transition:all .4s var(--ease-out);border-radius:var(--radius-md)}
.home-case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.home-case-img{height:200px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--steel-deep),var(--steel-mid));position:relative;overflow:hidden}
.home-case-img i{font-size:3rem;color:rgba(255,255,255,.15);transition:transform .4s var(--ease-spring)}
.home-case-card:hover .home-case-img i{transform:scale(1.2)}
.home-case-img .case-project-img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease-out)}
.home-case-card:hover .case-project-img{transform:scale(1.08)}
.home-case-body{padding:24px 28px}
.home-case-body .case-tag{display:inline-block;font-family:var(--font-accent);font-size:.6rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--brand-orange);padding:3px 10px;border:1px solid var(--brand-orange);margin-bottom:10px}
.home-case-body h3{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--near-black);margin-bottom:8px}
.home-case-body p{font-size:.82rem;color:var(--text-secondary);line-height:1.7}

/* ─── Stats Bar ─── */
.stats-bar{background:var(--steel-primary);padding:44px 0;position:relative;overflow:hidden}
.stats-bar::before,.stats-bar::after{content:'';position:absolute;left:0;right:0;height:1px}
.stats-bar::before{top:0;background:linear-gradient(90deg,transparent,rgba(224,107,32,.3),transparent)}
.stats-bar::after{bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:1}
.stats-item{display:flex;align-items:center;gap:16px;justify-content:center;position:relative}
.stats-item:not(:last-child)::after{content:'';position:absolute;right:-10px;top:50%;transform:translateY(-50%);width:1px;height:40px;background:rgba(255,255,255,.07)}
.stats-item i{font-size:1.6rem;color:var(--brand-orange);opacity:.6;transition:opacity .3s}
.stats-item:hover i{opacity:1}
.stats-item div{display:flex;flex-direction:column;gap:2px}
.stats-item strong{font-family:var(--font-number);font-size:1.5rem;font-weight:700;color:var(--white);line-height:1.1;letter-spacing:-.02em}
.stats-item span{font-family:var(--font-body);font-weight:400;font-size:.68rem;color:var(--steel-light);letter-spacing:1px;opacity:.7}

/* ─── Home: Advantage ─── */
.home-advantage{padding:var(--section-padding);background:var(--bg-accent-gradient);overflow:hidden;position:relative}
.home-advantage::before{content:'';position:absolute;top:-40%;left:-15%;width:60%;height:180%;background:radial-gradient(ellipse,rgba(224,107,32,.04) 0%,transparent 70%);pointer-events:none}
.advantage-bg-lines{position:absolute;inset:0;opacity:.04;background:repeating-linear-gradient(0deg,transparent,transparent 40px,rgba(255,255,255,.02) 40px,rgba(255,255,255,.02) 41px),repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(255,255,255,.02) 40px,rgba(255,255,255,.02) 41px);pointer-events:none}
.advantage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;position:relative;z-index:2}
.advantage-item{display:flex;gap:22px;padding:30px 32px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.06);transition:all .4s var(--ease-out);border-radius:var(--radius-sm)}
.advantage-item:hover{background:rgba(255,255,255,.06);border-color:rgba(224,107,32,.2);transform:translateX(6px)}
.adv-icon{flex-shrink:0;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:rgba(224,107,32,.1);font-size:1.25rem;color:var(--brand-orange);transition:all .4s var(--ease-out);border-radius:var(--radius-sm)}
.advantage-item:hover .adv-icon{background:rgba(224,107,32,.18);transform:scale(1.05) rotate(-5deg)}
.adv-content h3{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--white);margin-bottom:6px}
.adv-content p{font-size:.85rem;color:var(--steel-light);line-height:1.8;opacity:.85}

/* ─── Home: CTA ─── */
.home-cta{padding:80px 0;background:var(--bg-light);text-align:center}
.home-cta h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:12px}
.home-cta p{font-size:1rem;color:var(--text-secondary);margin-bottom:28px}

/* ─── 服务体系 ─── */
.service-system{padding:80px 0;background:var(--bg-white)}
.service-lead{max-width:760px;margin:10px auto 40px;text-align:center;font-size:.92rem;line-height:1.8;color:var(--text-secondary)}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-card{background:var(--bg-light);border-radius:12px;padding:28px 24px;border:1px solid #eef0f4;transition:all .4s var(--ease-out)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.sc-num{font-size:.78rem;font-weight:700;color:var(--accent);margin-bottom:6px;letter-spacing:.04em}
.sc-title{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}
.sc-sub{font-size:.82rem;color:var(--accent);margin-bottom:10px;font-weight:500}
.sc-desc{font-size:.82rem;line-height:1.75;color:var(--text-secondary)}
.service-card--highlight{background:linear-gradient(135deg,#fff 0%,rgba(232,93,44,.03) 50%,#fff 100%);border-color:rgba(232,93,44,.35);grid-column:1/-1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:40px 32px;border-width:2px;box-shadow:0 4px 24px rgba(232,93,44,.08),inset 0 1px 0 rgba(232,93,44,.06);position:relative;overflow:hidden}
.service-card--highlight::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:60%;height:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent);border-radius:0 0 3px 3px}
.service-card--highlight:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(232,93,44,.15),inset 0 1px 0 rgba(232,93,44,.06)}
.service-card--highlight .sc-num{color:var(--accent);font-size:.92rem;font-weight:700;background:linear-gradient(135deg,rgba(232,93,44,.1),rgba(232,93,44,.05));padding:5px 20px;border-radius:20px;letter-spacing:2px}
.service-card--highlight .sc-advantages{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:8px 0 0}
.service-card--highlight .sc-advantages li{font-size:.92rem;color:#2563eb;line-height:1.7;background:rgba(37,99,235,.06);padding:8px 18px;border-radius:8px;border:1px solid rgba(37,99,235,.15);transition:all .3s ease;position:relative}
.service-card--highlight .sc-advantages li:hover{background:rgba(37,99,235,.1);border-color:rgba(37,99,235,.3);transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,.1)}
.service-card--highlight .sc-advantages li strong{color:#1d4ed8}

/* ============================================
   PAGE: ABOUT
   ============================================ */
/* Story */
.about-story{padding:var(--section-padding)}
.about-story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-story-text h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:16px}
.about-story-text p{font-size:.92rem;color:var(--text-secondary);line-height:2;margin-bottom:14px}
.about-story-visual{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center;background:var(--bg-accent-gradient);border-radius:var(--radius-md);overflow:hidden}
.about-story-visual i{font-size:5rem;color:rgba(224,107,32,.1);position:absolute}
.about-story-visual .story-quote{position:relative;text-align:center;padding:40px}
.about-story-visual .story-quote blockquote{font-family:var(--font-display);font-size:1.4rem;color:var(--white);line-height:1.6;font-weight:500}
.about-story-visual .story-quote cite{display:block;font-family:var(--font-body);font-size:.82rem;color:var(--steel-light);margin-top:16px;font-style:normal;opacity:.7}

/* Timeline */
.about-timeline{padding:var(--section-padding);background:var(--bg-light)}
.timeline{position:relative;max-width:760px;margin:0 auto}
.timeline::before{content:'';position:absolute;left:50%;transform:translateX(-50%);top:0;bottom:0;width:2px;background:var(--gray-300)}
.timeline-item{position:relative;display:flex;align-items:flex-start;gap:40px;margin-bottom:36px}
.timeline-item:nth-child(odd){flex-direction:row}
.timeline-item:nth-child(even){flex-direction:row-reverse;text-align:right}
.timeline-dot{position:absolute;left:50%;transform:translateX(-50%);width:16px;height:16px;border-radius:50%;background:var(--brand-orange);border:3px solid var(--bg-light);z-index:2;top:4px}
.timeline-content{width:calc(50% - 40px)}
.timeline-year{font-family:var(--font-number);font-size:1.6rem;font-weight:700;color:var(--brand-orange);line-height:1;margin-bottom:6px}
.timeline-content h3{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--near-black);margin-bottom:4px}
.timeline-content p{font-size:.82rem;color:var(--text-secondary);line-height:1.7}
.timeline-item:last-child{margin-bottom:0}

/* Values */
.about-values{padding:var(--section-padding)}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-card{text-align:center;padding:36px 20px;border:1px solid var(--gray-200);transition:all .4s var(--ease-out);border-radius:var(--radius-md)}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.value-card .val-icon{width:56px;height:56px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;background:var(--brand-orange-bg);font-size:1.3rem;color:var(--brand-orange);border-radius:50%;transition:all .4s var(--ease-out)}
.value-card:hover .val-icon{background:var(--steel-primary);color:var(--white)}
.value-card h3{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--near-black);margin-bottom:8px}
.value-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.7}

/* ============================================
   PAGE: PRODUCTS
   ============================================ */
.products-page{padding:var(--section-padding);background:var(--bg-light)}
.products-page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-detail-card{background:#f2f4f7;overflow:hidden;border:1px solid var(--gray-200);border-radius:var(--radius-md);transition:all .4s var(--ease-out)}
.product-detail-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:transparent}
.product-detail-card .pd-visual{height:180px;display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--white);position:relative;overflow:hidden;background:var(--gray-100)}
.product-detail-card .pd-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 50%,rgba(0,0,0,.2) 100%)}
.product-detail-card .pd-visual i{position:relative;z-index:1;filter:drop-shadow(0 4px 12px rgba(0,0,0,.2));transition:transform .4s var(--ease-spring)}
.product-detail-card:hover .pd-visual i{transform:scale(1.15) translateY(-4px)}
.product-detail-card .pd-img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease-out)}
.product-detail-card:hover .pd-img{transform:scale(1.08)}
.pd-body{padding:28px}
.pd-body h3{font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--near-black);margin-bottom:10px}
.pd-body > p{font-size:.85rem;color:var(--text-secondary);line-height:1.8;margin-bottom:16px}
.pd-specs{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.pd-specs li{font-size:.82rem;color:var(--text-body);display:flex;align-items:center;gap:10px}
.pd-specs li i{color:var(--brand-orange);font-size:.55rem;width:20px;height:20px;display:flex;align-items:center;justify-content:center;background:var(--brand-orange-soft);border-radius:50%;flex-shrink:0}
.pd-price{font-family:var(--font-accent);font-size:1rem;color:var(--brand-orange);font-weight:600;margin-top:12px;letter-spacing:1px}
.pd-price small{font-size:.72rem;color:var(--text-muted);font-weight:400}
.pd-detail-link{display:inline-block;margin-top:8px;font-size:.78rem;color:var(--accent);font-weight:600;transition:all .3s}
.pd-detail-link i{font-size:.65rem;margin-left:2px;transition:transform .3s}
.pd-detail-link:hover{color:#c94d1f}
.pd-detail-link:hover i{transform:translateX(4px)}

/* ============================================
   PAGE: CASES
   ============================================ */
.cases-page{padding:var(--section-padding);background:var(--bg-light)}
.cases-filter{display:flex;justify-content:center;gap:10px;margin-bottom:36px;flex-wrap:wrap}
.cases-filter button{font-family:var(--font-accent);font-size:.75rem;letter-spacing:1.5px;text-transform:uppercase;padding:10px 24px;border:1.5px solid var(--gray-300);background:#f2f4f7;color:var(--text-body);cursor:pointer;transition:all .3s var(--ease-out);border-radius:0}
.cases-filter button:hover,.cases-filter button.active{border-color:var(--brand-orange);background:var(--brand-orange);color:var(--white)}
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.case-card{background:#f2f4f7;border:1px solid var(--gray-200);overflow:hidden;transition:all .4s var(--ease-out);border-radius:var(--radius-md)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.case-card-img{height:220px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--steel-deep),var(--steel-mid));position:relative;overflow:hidden}
.case-card-img i{font-size:3.5rem;color:rgba(255,255,255,.1);transition:transform .4s var(--ease-spring)}
.case-card:hover .case-card-img i{transform:scale(1.25)}
.case-card-body{padding:28px}
.case-card-body .case-industry{display:inline-block;font-family:var(--font-accent);font-size:.6rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--brand-orange);padding:3px 10px;border:1px solid var(--brand-orange);margin-bottom:10px}
.case-card-body h3{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--near-black);margin-bottom:8px}
.case-card-body p{font-size:.82rem;color:var(--text-secondary);line-height:1.7;margin-bottom:14px}
.case-card-body .case-result{display:flex;gap:20px}
.case-card-body .case-result span{font-family:var(--font-accent);font-size:.72rem;color:var(--steel-primary);letter-spacing:.5px}
.case-card-body .case-result span strong{color:var(--brand-orange);font-weight:600}
.case-detail-link{display:inline-block;margin-top:10px;font-size:.78rem;color:var(--accent);font-weight:600;transition:all .3s}
.case-detail-link i{font-size:.65rem;margin-left:2px;transition:transform .3s}
.case-detail-link:hover{color:#c94d1f}
.case-detail-link:hover i{transform:translateX(4px)}

/* ============================================
   PAGE: NEWS
   ============================================ */
.news-page{padding:var(--section-padding);background:var(--bg-light)}
.news-intro{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px;padding:24px 28px;background:var(--bg-white);border-radius:var(--radius-md);box-shadow:0 1px 4px rgba(0,0,0,.06);border-left:4px solid var(--brand-orange)}
.news-intro__item h3{font-family:var(--font-display);font-weight:700;font-size:.9rem;color:var(--near-black);margin-bottom:6px}
.news-intro__item h3::before{content:"▎";color:var(--brand-orange);margin-right:4px}
.news-intro__item p{font-size:.78rem;color:var(--text-secondary);line-height:1.8;margin:0}
@media(max-width:768px){.news-intro{grid-template-columns:1fr;gap:16px;padding:18px 20px}}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#f2f4f7;border:1px solid var(--gray-200);overflow:hidden;transition:all .4s var(--ease-out);border-radius:var(--radius-md)}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.news-card-img{height:180px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--steel-deep),var(--steel-primary));font-size:2.5rem;color:rgba(255,255,255,.12);position:relative;overflow:hidden}
.news-card-img i{transition:transform .4s var(--ease-spring)}
.news-card:hover .news-card-img i{transform:scale(1.2)}
.news-card-body{padding:24px 26px}
.news-tag{display:inline-block;font-size:.68rem;font-weight:600;padding:2px 10px;border-radius:4px;margin-bottom:8px;letter-spacing:.5px}
.news-tag--insight{color:#2563eb;background:rgba(37,99,235,.08)}
.news-tag--company{color:#059669;background:rgba(5,150,105,.08)}
.news-card-body .news-date{font-family:var(--font-body);font-size:.72rem;color:var(--text-muted);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.news-card-body .news-date i{font-size:.65rem;color:var(--brand-orange)}
.news-card-body h3{font-family:var(--font-display);font-weight:700;font-size:.95rem;color:var(--near-black);margin-bottom:8px;line-height:1.4}
.news-card-body p{font-size:.8rem;color:var(--text-secondary);line-height:1.7;margin-bottom:14px}
.news-card-body .news-link{font-family:var(--font-accent);font-size:.68rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--brand-orange);display:inline-flex;align-items:center;gap:6px;transition:gap .3s ease}
.news-card-body .news-link i{font-size:.55rem;transition:transform .3s}
.news-card:hover .news-link{gap:10px}
.news-card:hover .news-link i{transform:translateX(4px)}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px}
.pagination a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;font-family:var(--font-body);font-size:.85rem;color:var(--text-body);border:1px solid var(--gray-200);transition:all .3s var(--ease-out)}
.pagination a:hover,.pagination a.active{border-color:var(--brand-orange);background:var(--brand-orange);color:var(--white)}

/* ============================================
   PAGE: CONTACT
   ============================================ */
.contact-page{padding:var(--section-padding)}
.contact-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info-list{display:flex;flex-direction:column;gap:16px}
.contact-info-card{display:flex;align-items:flex-start;gap:18px;padding:24px 28px;background:var(--bg-light);border:1px solid var(--gray-200);transition:all .35s var(--ease-out);border-radius:var(--radius-sm)}
.contact-info-card:hover{border-color:var(--brand-orange);transform:translateX(6px);box-shadow:var(--shadow-md);background:var(--white)}
.contact-info-card .cic-icon{width:50px;height:50px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--brand-orange-soft);color:var(--brand-orange);font-size:1.15rem;transition:all .35s var(--ease-out);border-radius:var(--radius-sm)}
.contact-info-card:hover .cic-icon{background:var(--steel-primary);color:var(--white)}
.contact-info-card h3{font-family:var(--font-display);font-weight:600;font-size:.92rem;color:var(--near-black);margin-bottom:4px}
.contact-info-card p{font-size:.9rem;color:var(--text-body);line-height:1.5}
.contact-info-card a{color:var(--brand-orange);font-weight:600;font-size:1.1rem;transition:color .3s}
.contact-info-card a:hover{color:var(--brand-orange-dark)}

/* Contact Form */
.contact-form-wrap{background:#f2f4f7;border:1px solid var(--gray-200);padding:40px;border-radius:var(--radius-md)}
.contact-form-wrap h3{font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin-bottom:6px}
.contact-form-wrap > p{font-size:.85rem;color:var(--text-secondary);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-family:var(--font-body);font-size:.82rem;color:var(--text-body);margin-bottom:6px;font-weight:500}
.form-group label .required{color:#E03030;margin-left:2px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 16px;font-family:var(--font-body);font-size:.9rem;color:var(--text-body);border:1px solid var(--gray-200);background:#f2f4f7;transition:border-color .3s ease;border-radius:0;outline:none}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--brand-orange);box-shadow:0 0 0 3px var(--brand-orange-bg)}
.form-group textarea{resize:vertical;min-height:120px}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--gray-400)}
.form-submit{width:100%;justify-content:center;margin-top:8px}

.message-form{background:var(--bg-light);border:1px solid var(--gray-200);padding:32px;border-radius:var(--radius-md)}
.phone-row{display:flex;gap:8px}
.phone-row input{flex:1;min-width:0}
.phone-row .btn{flex-shrink:0;white-space:nowrap;min-width:110px;justify-content:center}
.message-form .btn-block{width:100%;justify-content:center;margin-top:4px}
.form-tip{font-size:.72rem;color:var(--text-muted);margin-top:10px;text-align:center}
.form-tip i{color:var(--brand-orange);margin-right:4px}
.form-success{text-align:center;padding:60px 32px;background:var(--bg-light);border:1px solid var(--gray-200);border-radius:var(--radius-md)}
.form-success i{font-size:3rem;color:#22c55e;margin-bottom:12px}
.field-error{color:#dc2626;font-size:.72rem;margin:3px 0 0;display:none;line-height:1.4}
.char-count{display:block;text-align:right;font-size:.7rem;color:#999;margin:2px 0 0}
.custom-select{position:relative;margin-top:6px}
.cs-trigger{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border:1px solid #d0d5dd;border-radius:6px;cursor:pointer;background:#fff;transition:border-color .2s;user-select:none}
.cs-trigger:hover,.cs-trigger:focus-within{border-color:#e85d2c}
.cs-placeholder{font-size:.85rem;color:#999}
.cs-arrow{font-size:.65rem;color:#999;transition:transform .2s}
.cs-panel{display:none;position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid #e0e4ea;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.1);z-index:100;padding:6px 0;max-height:260px;overflow-y:auto}
.cs-panel.open{display:block}
.cs-item{display:flex;align-items:center;gap:6px;padding:8px 14px;cursor:pointer;font-size:.85rem;transition:background .12s}
.cs-item:hover{background:#f5f5f5}
.cs-item input[type=checkbox]{accent-color:#e85d2c;width:14px;height:14px;margin:0;cursor:pointer}
.cs-item:has(input:checked){background:#fff4f0;font-weight:500;color:#c94d1f}
input.invalid{border-color:#dc2626!important;background:#fef2f2}
input.invalid:focus{border-color:#dc2626!important;box-shadow:0 0 0 3px rgba(220,38,38,.12)}
.form-success h3{font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--near-black);margin-bottom:6px}
.form-success p{font-size:.88rem;color:var(--text-secondary)}

/* Map */
.contact-map-section{padding:0 0 var(--section-padding)}
.contact-map-frame{width:100%;min-height:400px;background:var(--bg-dark);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;position:relative;overflow:hidden;border-radius:var(--radius-md)}
.contact-map-frame i{font-size:2.8rem;color:var(--brand-orange);filter:drop-shadow(0 4px 20px var(--brand-orange-glow));position:relative}
.contact-map-frame h3{font-family:var(--font-display);font-weight:700;font-size:1.2rem;color:var(--white);position:relative}
.contact-map-frame p{color:var(--steel-light);font-size:.88rem;position:relative;opacity:.8}
.contact-map-frame .btn{margin-top:8px;position:relative}

/* ============================================
   PAGE: FAQ
   ============================================ */
.faq-page{padding:var(--section-padding);background:var(--bg-light)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#f2f4f7;border:1px solid var(--gray-200);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .3s ease}
.faq-item{background:#f2f4f7;border:1px solid var(--gray-200);border-radius:var(--radius-sm);overflow:hidden;transition:all .4s var(--ease-out)}
.faq-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-orange)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 28px;cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:.95rem;font-family:var(--font-display);font-weight:600;color:var(--near-black);line-height:1.4;transition:color .3s ease}
.faq-question:hover{color:var(--brand-orange)}
.faq-question i{font-size:.7rem;transition:transform .4s var(--ease-out);color:var(--brand-orange);flex-shrink:0}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{padding:0 28px 20px;font-size:.85rem;color:var(--text-secondary);line-height:1.8;display:none}
.faq-item.open .faq-answer{display:block}
.faq-more{text-align:center;margin-top:40px}
.faq-more p{font-size:.9rem;color:var(--text-secondary);margin-bottom:14px}

/* ============================================
   FOOTER (Shared)
   ============================================ */
.footer{background:var(--near-black);color:var(--steel-light);padding:60px 0 0;position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(224,107,32,.15),transparent)}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.5fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.04)}
.footer-brand{display:flex;align-items:flex-start;gap:14px}
.footer-brand .logo-mark{width:48px;height:48px;font-size:1.8rem;flex-shrink:0}
.footer-brand--info strong{display:block;font-family:var(--font-body);font-weight:600;font-size:1rem;color:var(--white);margin-bottom:4px}
.footer-brand--info small{font-size:.68rem;color:var(--steel-light);letter-spacing:1.5px;opacity:.5}
.footer-brand--desc{font-size:.8rem;line-height:1.8;margin-top:14px;color:rgba(168,196,216,.55);max-width:300px}
.footer-links h4,.footer-contact h4{font-family:var(--font-accent);font-weight:500;font-size:.8rem;color:var(--white);margin-bottom:18px;letter-spacing:2px;text-transform:uppercase}
.footer-links ul{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:.82rem;color:var(--steel-light);transition:all .3s ease;position:relative;padding-left:0;opacity:.7}
.footer-links a::before{content:'›';margin-right:6px;color:var(--brand-orange);opacity:0;transition:all .3s ease}
.footer-links a:hover{color:var(--brand-orange);padding-left:4px;opacity:1}
.footer-links a:hover::before{opacity:1}
.footer-contact p{font-size:.82rem;margin-bottom:10px;display:flex;align-items:center;gap:10px;color:var(--steel-light);opacity:.7}
.footer-contact i{color:var(--brand-orange);width:16px;text-align:center;flex-shrink:0}
.footer-bottom{display:flex;flex-direction:column;padding:22px 0;font-size:.72rem;color:rgba(255,255,255,.2);text-align:center}
.footer-bottom a{color:var(--steel-light);opacity:.5;transition:opacity .3s}
.footer-bottom a:hover{opacity:1;color:var(--brand-orange)}

/* ─── Back to Top ─── */
.back-top{position:fixed;bottom:32px;right:32px;width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:var(--brand-orange);color:var(--white);border:none;font-size:1.1rem;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .4s var(--ease-out);z-index:999;box-shadow:var(--shadow-orange)}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--brand-orange-dark);transform:translateY(-3px);box-shadow:var(--shadow-orange-strong)}

/* ─── Scroll Reveal ─── */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.reveal.show{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;text-align:center;padding:120px 0 80px}
  .hero-desc{margin:0 auto 32px}
  .hero-actions{justify-content:center}
  .hero-stats{justify-content:center}
  .stat-item:not(:last-child)::after{display:none}
  .hero-visual{display:none}
  .about-story-grid{grid-template-columns:1fr;gap:40px}
  .values-grid{grid-template-columns:repeat(2,1fr)}
  .products-page-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .home-products-grid,.home-cases-grid{grid-template-columns:repeat(2,1fr)}
  .advantage-grid{grid-template-columns:1fr}
  .contact-page-grid{grid-template-columns:1fr;gap:36px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stats-item:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .floating-bar{right:16px;bottom:80px}
  .floating-bar__item{width:42px;height:42px;font-size:1rem}
  .timeline::before{left:20px}
  .timeline-item,.timeline-item:nth-child(even){flex-direction:row!important;gap:32px;text-align:left!important}
  .timeline-dot{left:20px!important}
  .timeline-content{width:calc(100% - 60px);margin-left:50px}
}
@media(max-width:768px){
  .nav-links{position:fixed;top:0;left:0;width:100%;height:100vh;flex-direction:column;justify-content:center;align-items:center;background:rgba(11,26,42,.98);backdrop-filter:blur(24px);gap:36px;opacity:0;visibility:hidden;transition:all .5s var(--ease-out)}
  .nav-links.open{opacity:1;visibility:visible}
  .nav-links a{font-size:1.1rem;letter-spacing:3px}
  .nav-toggle{display:flex}
  .hero-title .title-line{font-size:clamp(1.4rem,5vw,2rem)}
  .hero-desc{font-size:.92rem}
  .hero-stats{flex-wrap:wrap;gap:24px}
  .stat-num{font-size:2rem}
  .hero-scroll{display:none}
  section{padding:var(--section-padding-mobile)!important}
  .section-header{margin-bottom:32px}
  .sub-hero{padding:60px 0 30px}
  .sub-hero h1{font-size:1.4rem}
  .about-story{padding:var(--section-padding-mobile)!important}
  .values-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .value-card{padding:24px 16px}
  .products-page-grid{grid-template-columns:1fr;gap:20px}
  .product-detail-card .pd-visual{height:150px}
  .home-products-grid,.home-cases-grid{grid-template-columns:1fr;gap:20px}
  .home-product-card{padding:28px 20px}
  .advantage-item{padding:24px;gap:16px}
  .contact-page{padding:var(--section-padding-mobile)!important}
  .contact-form-wrap{padding:28px 20px}
  .form-row{grid-template-columns:1fr}
  .contact-map-section{padding:0 0 var(--section-padding-mobile)!important}
  .contact-map-frame{min-height:280px}
  .faq-page{padding:var(--section-padding-mobile)!important}
  .faq-question{padding:16px 20px;font-size:.88rem}
  .faq-answer{padding:0 20px 16px}
  .news-grid{grid-template-columns:1fr}
  .news-card-img{height:150px}
  .cases-filter{gap:8px}
  .cases-filter button{padding:8px 16px;font-size:.68rem}
  .footer{padding:44px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
  .back-top{bottom:20px;right:20px;width:44px;height:44px;font-size:.95rem}
  .floating-bar{display:none}
  .timeline-item{margin-bottom:28px}
  .stats-bar{padding:32px 0}
  .home-cta{padding:50px 0}
  .service-system{padding:50px 0}
  .service-grid{grid-template-columns:1fr}
  .service-card{padding:22px 18px}
  .service-card--highlight{padding:28px 18px}
  .service-card--highlight .sc-advantages{flex-direction:column;align-items:stretch}
  .service-lead{font-size:.85rem}
}
@media(max-width:480px){
  .container{padding:0 20px}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-title .title-line{font-size:2rem}
  .stats-grid{gap:12px}
  .stats-item{flex-direction:column;text-align:center;gap:4px}
  .stats-item i{font-size:1.3rem}
  .stats-item strong{font-size:1.2rem}
  .values-grid{grid-template-columns:1fr}
}

/* ─── Nav Logo Image ─── */
.nav-logo-img{
  width:36px;height:30px;object-fit:contain;display:block;flex-shrink:0;
}
@media(max-width:768px){
  .nav-logo-img{width:32px;height:26px;}
}

/* ─── Footer Logo Image ─── */
.footer-logo-img{
  width:40px;height:33px;object-fit:contain;display:block;flex-shrink:0;
}
@media(max-width:768px){
  .footer-logo-img{width:36px;height:30px;}
}

/* ── 图片居中 ── */
.pd-img { object-position: center center; object-fit: cover; }
.hero-carousel__slide { background-position: center center; background-size: cover; }
.pd-visual img { margin: 0 auto; }