/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#5B8A72;
  --primary-dark:#3D6B54;
  --primary-light:#8FAF9B;
  --secondary:#D4C5A9;
  --secondary-light:#E8DFD0;
  --bg:#F8F6F1;
  --bg-alt:#EFF2ED;
  --bg-card:#FFFFFF;
  --text:#2D3436;
  --text-light:#6B7B8E;
  --text-muted:#9BA8B5;
  --border:#E0DED8;
  --shadow:0 2px 20px rgba(91,138,114,.08);
  --shadow-lg:0 8px 40px rgba(91,138,114,.12);
  --radius:12px;
  --radius-lg:20px;
  --max-w:1200px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ===== Layout ===== */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}

/* ===== Header ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(248,246,241,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:all .3s;
}
.header-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--primary-dark)}
.logo-icon{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
}
.nav{display:flex;gap:32px;align-items:center}
.nav a{font-size:15px;color:var(--text-light);transition:color .2s;position:relative}
@media(min-width:969px) and (max-width:1200px){
  .nav{gap:18px}
  .nav a{font-size:13.5px}
}
.nav a:hover{color:var(--primary-dark)}
.nav a.active{color:var(--primary-dark);font-weight:600}
.nav a.active::after{
  content:'';position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:var(--primary);border-radius:2px;
}
.nav-cta{
  background:var(--primary);color:#fff!important;
  padding:8px 20px;border-radius:8px;font-size:14px;font-weight:600;
  transition:background .2s;
}
.nav-cta:hover{background:var(--primary-dark)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--primary-dark);align-items:center;justify-content:center;padding:4px}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;
  padding-top:64px;
}
.hero-bg{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(91,138,114,.35),rgba(61,107,84,.45)),
    url('../images/brand-hero.jpg') center/cover no-repeat;
}
.hero-content{position:relative;z-index:2;max-width:800px;padding:0 24px}
.hero-content h1{
  font-size:clamp(32px,5vw,56px);font-weight:800;color:#fff;
  letter-spacing:2px;margin-bottom:16px;
  text-shadow:0 2px 20px rgba(0,0,0,.2);
}
.hero-slogan{
  font-size:clamp(16px,2.5vw,22px);color:rgba(255,255,255,.95);
  margin-bottom:32px;line-height:1.6;
  text-shadow:0 1px 10px rgba(0,0,0,.2);
}
.hero-sub{
  font-size:clamp(13px,1.6vw,16px);color:rgba(255,255,255,.85);
  letter-spacing:.5px;margin:-20px 0 32px;line-height:1.6;
  text-shadow:0 1px 10px rgba(0,0,0,.2);
}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:10px;font-size:16px;font-weight:600;
  cursor:pointer;transition:all .3s;border:none;
}
.btn-primary{background:#fff;color:var(--primary-dark)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.15)}
.btn-outline{background:rgba(255,255,255,.15);color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:rgba(255,255,255,.25);border-color:#fff}
.hero-scroll{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.7);font-size:13px;letter-spacing:2px;
  animation:bounce 2s infinite;
}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ===== Section Title ===== */
.section-title{
  text-align:center;margin-bottom:56px;
}
.section-title .eyebrow{
  display:inline-block;font-size:13px;color:var(--primary);
  letter-spacing:3px;text-transform:uppercase;
  background:var(--bg-alt);padding:4px 16px;border-radius:20px;margin-bottom:16px;
}
.section-title h2{
  font-size:clamp(26px,4vw,36px);font-weight:700;color:var(--text);
  margin-bottom:12px;
}
.section-title p{color:var(--text-light);font-size:16px;max-width:600px;margin:0 auto}

/* ===== Brand Intro ===== */
.intro-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.intro-text h2{font-size:28px;font-weight:700;margin-bottom:20px;color:var(--text)}
.intro-text p{color:var(--text-light);margin-bottom:16px;font-size:15px;line-height:1.9}
.intro-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.intro-tag{
  background:var(--bg-alt);color:var(--primary-dark);
  padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500;
}
.intro-info{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.intro-info-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}
.intro-info-item svg{width:20px;height:20px;color:var(--primary);flex-shrink:0}
.intro-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.intro-img img{width:100%;height:420px;object-fit:cover}

/* ===== Services Grid ===== */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.service-card{
  background:var(--bg-card);border-radius:var(--radius-lg);
  padding:36px 28px;box-shadow:var(--shadow);
  transition:all .3s;border:1px solid transparent;
}
.service-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-lg);
  border-color:var(--primary-light);
}
.service-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,var(--bg-alt),var(--secondary-light));
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.service-icon svg{width:28px;height:28px;color:var(--primary)}
.service-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text)}
.service-card p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:12px}
.service-tag{
  display:inline-block;font-size:12px;color:var(--primary);
  background:var(--bg-alt);padding:3px 10px;border-radius:4px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.tag-row span{
  font-size:12px;color:var(--primary-dark);background:var(--bg-alt);
  padding:3px 10px;border-radius:20px;border:1px solid var(--border);
}

/* ===== 常见困扰速查 ===== */
.concern-groups{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.concern-group{
  background:var(--bg-card);border-radius:var(--radius-lg);
  padding:24px 20px;box-shadow:var(--shadow);
}
.concern-group h3{
  font-size:15px;font-weight:700;color:var(--primary-dark);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.concern-group h3::before{
  content:'';width:8px;height:8px;border-radius:50%;
  background:var(--primary);flex-shrink:0;
}
.concern-group .chips{display:flex;flex-wrap:wrap;gap:8px}
.concern-group .chips span{
  font-size:13px;color:var(--text-light);background:var(--bg);
  padding:5px 12px;border-radius:20px;border:1px solid var(--border);
  transition:all .2s;cursor:default;
}
.concern-group .chips span:hover{
  color:var(--primary-dark);border-color:var(--primary-light);background:var(--bg-alt);
}
.concern-note{
  margin-top:20px;font-size:12px;color:var(--text-muted);
  text-align:center;line-height:1.7;
}

/* ===== 心理科普·品牌动态 ===== */
.news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.news-card{
  background:var(--bg-card);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:all .3s;border:1px solid transparent;
  display:flex;flex-direction:column;
}
.news-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-lg);
  border-color:var(--primary-light);
}
.news-cover{
  height:140px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--bg-alt),var(--secondary-light));
  font-size:34px;
}
.news-body{padding:22px 24px;flex:1;display:flex;flex-direction:column}
.news-meta{
  font-size:12px;color:var(--primary);margin-bottom:8px;
  display:flex;align-items:center;gap:8px;
}
.news-meta .news-dot{width:4px;height:4px;border-radius:50%;background:var(--primary-light)}
.news-card h3{font-size:16px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:8px}
.news-card p{font-size:13px;color:var(--text-light);line-height:1.7;flex:1}
.news-more{
  font-size:13px;color:var(--primary);font-weight:600;margin-top:12px;
}

/* ===== Products ===== */
.products-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.product-card{
  background:var(--bg-card);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:all .3s;
  border:1px solid var(--border);
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.product-card.featured{border:2px solid var(--primary)}
.product-badge{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:6px;margin-bottom:12px;
}
.badge-hot{background:var(--primary);color:#fff}
.badge-pending{background:var(--secondary);color:var(--text)}
.badge-combo{background:var(--bg-alt);color:var(--primary-dark)}
.product-body{padding:32px 28px}
.product-price{display:flex;align-items:baseline;gap:4px;margin:12px 0 16px}
.product-price .amount{font-size:32px;font-weight:800;color:var(--primary-dark)}
.product-price .unit{font-size:14px;color:var(--text-light)}
.tier-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0 12px}
.tier-cell{
  background:var(--bg-alt);border-radius:10px;padding:10px 6px;
  display:flex;flex-direction:column;align-items:center;gap:2px;
}
.tier-price{font-size:22px;font-weight:800;color:var(--primary-dark);line-height:1.1}
.tier-label{font-size:11px;color:var(--text-light)}
.product-desc{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.product-rule{
  font-size:13px;color:var(--text-muted);
  background:var(--bg-alt);padding:12px 16px;border-radius:8px;
  border-left:3px solid var(--primary-light);
}

/* ===== Trust Section ===== */
.trust-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px;
}
.trust-card{
  text-align:center;padding:36px 24px;
  background:var(--bg-card);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:all .3s;
}
.trust-card:hover{transform:translateY(-4px)}
.trust-number{
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
}
.trust-card h3{font-size:16px;font-weight:700;margin-bottom:10px}
.trust-card p{font-size:14px;color:var(--text-light);line-height:1.7}
.trust-note{
  text-align:center;max-width:700px;margin:0 auto;
  background:var(--bg-alt);border-radius:var(--radius);
  padding:24px 32px;font-size:14px;color:var(--text-light);
}

/* ===== About Section ===== */
.about-grid{
  display:grid;grid-template-columns:1fr 1.5fr;gap:48px;align-items:start;
}
.about-img{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);position:sticky;top:100px;
}
.about-img img{width:100%;height:500px;object-fit:cover}
.about-content h2{font-size:28px;font-weight:700;margin-bottom:20px}
.about-content > p{color:var(--text-light);margin-bottom:24px;font-size:15px}
.about-item{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.about-item:last-child{border-bottom:none}
.about-item label{font-size:13px;color:var(--primary);font-weight:600;margin-bottom:4px;display:block}
.about-item p{font-size:15px;color:var(--text);line-height:1.8}
.about-item .highlight{
  background:var(--bg-alt);border-radius:8px;padding:12px 16px;margin-top:8px;
  font-size:13px;color:var(--text-light);
}

/* ===== Locations ===== */
.locations-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.location-card{
  background:var(--bg-card);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);transition:all .3s;
  border-top:3px solid var(--primary-light);
}
.location-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-top-color:var(--primary)}
.location-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text)}
.location-info{font-size:13px;color:var(--text-light);line-height:1.8}
.location-info .label{color:var(--text-muted);font-size:12px}
.location-info .value{color:var(--text);margin-bottom:6px}
.location-badge{
  display:inline-block;font-size:11px;font-weight:600;
  padding:2px 8px;border-radius:4px;margin-bottom:8px;
}
.badge-24h{background:#E8F5E9;color:#2E7D32}
.badge-todo{background:#FFF3E0;color:#E65100}
.locations-cta{
  text-align:center;margin-top:40px;padding:32px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:var(--radius-lg);color:#fff;
}
.locations-cta h3{font-size:22px;font-weight:700;margin-bottom:8px}
.locations-cta p{font-size:15px;opacity:.9;margin-bottom:16px}
.locations-cta .phone{font-size:28px;font-weight:800;letter-spacing:1px}

/* ===== Guide / FAQ ===== */
.guide-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px;
}
.step-card{
  text-align:center;padding:28px 20px;
  background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);
  position:relative;
}
.step-num{
  width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:18px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;
}
.step-card h4{font-size:15px;font-weight:600;margin-bottom:6px}
.step-card p{font-size:13px;color:var(--text-light)}
.step-arrow{
  position:absolute;right:-14px;top:50%;transform:translateY(-50%);
  color:var(--primary-light);font-size:20px;
}
.guide-warnings{
  background:#FFF8F0;border:1px solid #FFE0B2;border-radius:var(--radius-lg);
  padding:32px;margin-bottom:40px;
}
.guide-warnings h3{color:#E65100;font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.warning-item{
  display:flex;gap:10px;margin-bottom:10px;font-size:14px;color:var(--text);line-height:1.7;
}
.warning-item svg{width:20px;height:20px;color:#FF9800;flex-shrink:0;margin-top:2px}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--bg-card);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);
}
.faq-q{
  padding:20px 24px;font-size:15px;font-weight:600;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  transition:background .2s;
}
.faq-q:hover{background:var(--bg-alt)}
.faq-q .arrow{transition:transform .3s;font-size:14px;color:var(--primary)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  padding:0 24px;font-size:14px;color:var(--text-light);line-height:1.8;
}
.faq-item.open .faq-a{max-height:200px;padding:0 24px 20px}

/* ===== Contact ===== */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.contact-info h2{font-size:28px;font-weight:700;margin-bottom:16px}
.contact-info > p{color:var(--text-light);margin-bottom:24px;font-size:15px}
.contact-phone{
  display:flex;align-items:center;gap:16px;margin-bottom:32px;
  background:var(--bg-alt);border-radius:var(--radius-lg);padding:24px 28px;
}
.contact-phone .phone-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.contact-phone .phone-num{font-size:28px;font-weight:800;color:var(--primary-dark);letter-spacing:1px}
.contact-phone .phone-label{font-size:13px;color:var(--text-light)}
.contact-channels{display:flex;flex-direction:column;gap:12px}
.contact-channel{
  display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text);
  padding:10px 0;border-bottom:1px solid var(--border);
}
.contact-channel:last-child{border-bottom:none}
.contact-channel svg{width:18px;height:18px;color:var(--primary)}
.contact-channel .ch-label{color:var(--text-muted);width:100px;font-size:13px}
.contact-img{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
}
.contact-img img{width:100%;height:480px;object-fit:cover}

/* ===== Footer ===== */
.footer{
  background:#2A3530;color:rgba(255,255,255,.7);padding:56px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px;
}
.footer-brand h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:8px}
.footer-brand .phone{font-size:22px;font-weight:700;color:var(--primary-light);margin:12px 0}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:var(--primary-light)}
.footer-compliance{
  border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:8px;
}
.footer-compliance p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);margin-bottom:8px}
.footer-bottom{
  text-align:center;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.4);
}

/* ===== Mobile Bottom Bar ===== */
.mobile-bar{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:1001;
  background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  box-shadow:0 -4px 20px rgba(0,0,0,.06);
  padding:8px 12px calc(8px + env(safe-area-inset-bottom));
}
.mobile-bar-inner{display:flex;gap:8px;align-items:center}
.mobile-bar-phone{
  flex:0 0 auto;width:48px;height:48px;border-radius:12px;
  background:var(--bg-alt);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  text-decoration:none;
}
.mobile-bar-phone svg{width:24px;height:24px}
.mobile-bar-book{
  flex:1;height:48px;border-radius:12px;border:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:16px;font-weight:600;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:6px;
  text-decoration:none;
}
.mobile-bar-book svg{width:18px;height:18px}

/* ===== Mobile Menu Overlay ===== */
.mobile-menu-overlay{
  display:none;position:fixed;inset:0;z-index:999;
  background:rgba(0,0,0,.4);
  opacity:0;transition:opacity .3s;
}
.mobile-menu-overlay.show{display:block;opacity:1}
.mobile-menu{
  position:fixed;top:0;right:0;bottom:0;z-index:1000;
  width:280px;max-width:80vw;background:var(--bg);
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;
  box-shadow:-4px 0 24px rgba(0,0,0,.1);
}
.mobile-menu.show{transform:translateX(0)}
.mobile-menu-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--border);
}
.mobile-menu-header .logo{font-size:16px}
.mobile-menu-close{
  width:36px;height:36px;border-radius:10px;border:none;
  background:var(--bg-alt);font-size:20px;cursor:pointer;
  color:var(--text);display:flex;align-items:center;justify-content:center;
}
.mobile-menu-nav{flex:1;padding:16px 0;overflow-y:auto}
.mobile-menu-nav a{
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--border);transition:all .2s;
}
.mobile-menu-nav a:hover,.mobile-menu-nav a.active{
  background:var(--bg-alt);color:var(--primary-dark);
}
.mobile-menu-nav a svg{width:20px;height:20px;color:var(--primary)}
.mobile-menu-cta{
  margin:16px 20px;padding:14px;border-radius:12px;
  background:var(--primary);color:#fff;text-align:center;
  font-size:16px;font-weight:600;text-decoration:none;
}

/* ===== Responsive: Tablet (<=968px) ===== */
@media(max-width:968px){
  .nav{display:none}
  .mobile-toggle{display:flex}
  .mobile-bar{display:block}

  .container{padding:0 20px}
  .section{padding:56px 0}

  /* Hero */
  .hero{min-height:90vh;padding-top:56px}
  .hero-content{padding:0 20px}
  .hero-content h1{font-size:32px;letter-spacing:1px}
  .hero-slogan{font-size:16px;margin-bottom:24px}
  .hero-scroll{display:none}

  /* Grid layouts: 2-col on tablet */
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(3,1fr)}
  .locations-grid{grid-template-columns:repeat(2,1fr)}
  .guide-steps{grid-template-columns:repeat(2,1fr)}
  .step-arrow{display:none}
  .concern-groups{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}

  /* Intro / About / Contact: stack */
  .intro-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .about-img{position:static}
  .intro-img img,.about-img img{height:260px}
  .contact-img{display:none}

  /* Footer */
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid:1 / 1 / 2 / 3}
  .footer{padding-bottom:80px}

  /* Section titles */
  .section-title{margin-bottom:40px}
  .section-title h2{font-size:26px}

  /* Products */
  .product-body{padding:24px 20px}
  .product-price .amount{font-size:28px}

  /* Contact */
  .contact-phone{padding:20px}
  .contact-phone .phone-num{font-size:24px}
}

/* ===== Responsive: Mobile (<=640px) ===== */
@media(max-width:640px){
  .container{padding:0 16px}
  .section{padding:44px 0}

  /* Header */
  .header-inner{height:56px;padding:0 16px}
  .logo{font-size:15px;gap:8px}
  .logo-icon{width:32px;height:32px;font-size:14px}
  .header{height:56px!important}

  /* Hero */
  .hero{min-height:85vh;padding-top:56px}
  .hero-content h1{font-size:26px;letter-spacing:.5px}
  .hero-slogan{font-size:14px;line-height:1.6;margin-bottom:20px}
  .hero-sub{font-size:12px;margin:-14px 0 22px}
  .hero-actions{flex-direction:column;gap:10px;width:100%}
  .btn{width:100%;justify-content:center;padding:12px 24px;font-size:15px}

  /* Section titles */
  .section-title{margin-bottom:32px}
  .section-title .eyebrow{font-size:11px;padding:3px 12px}
  .section-title h2{font-size:22px}
  .section-title p{font-size:14px}

  /* Grids: 1-col on mobile */
  .services-grid{grid-template-columns:1fr;gap:16px}
  .products-grid{grid-template-columns:1fr;gap:16px}
  .trust-grid{grid-template-columns:1fr;gap:16px}
  .locations-grid{grid-template-columns:1fr;gap:14px}
  .guide-steps{grid-template-columns:1fr;gap:12px}
  .concern-groups{grid-template-columns:1fr;gap:14px}
  .news-grid{grid-template-columns:1fr;gap:16px}

  /* Concern & news */
  .concern-group{padding:18px 16px}
  .concern-group .chips span{font-size:12px;padding:4px 10px}
  .concern-note{font-size:11px;padding:0 8px}
  .news-cover{height:110px;font-size:28px}
  .news-body{padding:18px}
  .news-card h3{font-size:15px}

  /* Service cards */
  .service-card{padding:24px 20px}
  .service-icon{width:48px;height:48px;margin-bottom:14px}
  .service-card h3{font-size:17px}
  .service-card p{font-size:13px}

  /* Product cards */
  .product-body{padding:20px 18px}
  .product-price .amount{font-size:26px}
  .product-desc{font-size:13px}

  /* Intro */
  .intro-text h2{font-size:22px}
  .intro-text p{font-size:14px;line-height:1.8}
  .intro-tags{gap:6px}
  .intro-tag{font-size:12px;padding:5px 12px}
  .intro-info-item{font-size:13px}

  /* About */
  .about-content h2{font-size:22px}
  .about-item p{font-size:14px;line-height:1.7}
  .about-item .highlight{font-size:12px;padding:10px 14px}

  /* Locations */
  .location-card{padding:20px 16px}
  .location-card h3{font-size:16px}
  .location-info{font-size:12px}
  .locations-cta{padding:24px 16px;margin-top:28px}
  .locations-cta h3{font-size:18px}
  .locations-cta .phone{font-size:24px}

  /* Guide */
  .step-card{padding:20px 16px}
  .step-num{width:36px;height:36px;font-size:16px}
  .step-card h4{font-size:14px}
  .step-card p{font-size:12px}
  .guide-warnings{padding:20px 16px}
  .guide-warnings h3{font-size:15px}
  .warning-item{font-size:13px;line-height:1.6}
  .faq-q{padding:16px;font-size:14px}
  .faq-a{font-size:13px}

  /* Contact */
  .contact-info h2{font-size:22px}
  .contact-info > p{font-size:14px}
  .contact-phone{padding:16px;gap:12px}
  .contact-phone .phone-icon{width:40px;height:40px}
  .contact-phone .phone-num{font-size:20px}
  .contact-channel{font-size:13px;padding:8px 0}
  .contact-channel .ch-label{width:80px;font-size:12px}

  /* Footer */
  .footer{padding:40px 0 80px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand .phone{font-size:20px}
  .footer-compliance p{font-size:11px;line-height:1.6}
  .footer-bottom p{font-size:11px}

  /* Trust note */
  .trust-note{padding:16px 20px;font-size:13px;line-height:1.7}
  .trust-card{padding:24px 20px}
}

/* ===== Responsive: Small mobile (<=380px) ===== */
@media(max-width:380px){
  .hero-content h1{font-size:22px}
  .section-title h2{font-size:20px}
  .locations-cta .phone{font-size:20px}
}

/* ===== Animation ===== */
.fade-up{opacity:0;transform:translateY(30px);transition:all .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ===== 多页面补充 ===== */
.page-hero{
  padding:150px 0 64px;text-align:center;
  background:linear-gradient(135deg,#eaf2ea 0%,#f7f4ec 100%);
}
.page-hero h1{font-size:clamp(26px,4vw,40px);color:var(--primary-dark);margin-bottom:14px;line-height:1.3}
.page-hero p{font-size:clamp(14px,1.8vw,16px);color:var(--text-light);max-width:760px;margin:0 auto;line-height:1.8}
@media(max-width:640px){
  .page-hero{padding:110px 0 40px}
}

/* ===== 城市站点卡片（总览页）===== */
.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.city-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);background:var(--bg-card,#fff);border:1px solid var(--border);
  text-decoration:none;color:inherit;transition:transform .3s,box-shadow .3s,border-color .3s;
}
.city-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08);border-color:var(--primary)}
.city-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.city-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.city-card:hover .city-thumb img{transform:scale(1.06)}
.city-thumb-soon{display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#EDF3EC 0%,#F7F3E9 100%)}
.city-thumb-soon svg{width:52px;height:52px;color:var(--primary);opacity:.32}
.city-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.city-card h3{font-size:18px;color:var(--primary-dark);margin-bottom:8px;line-height:1.45}
.city-stores{font-size:13.5px;color:var(--text-light);margin-bottom:14px;flex:1}
.city-more{font-size:13px;color:var(--primary);font-weight:600}
.city-badge{
  position:absolute;top:14px;left:14px;font-size:12px;padding:4px 11px;
  border-radius:20px;font-weight:600;backdrop-filter:blur(6px);
}
.city-open{background:rgba(232,243,232,.94);color:#2F7D4F}
.city-soon{background:rgba(244,239,226,.94);color:#9A7B2E}
@media(max-width:900px){.city-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.city-grid{grid-template-columns:1fr;gap:16px}}

/* ===== 城市页门店列表 ===== */
.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.store-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);background:var(--bg-card,#fff);border:1px solid var(--border);
  transition:transform .3s,box-shadow .3s;
}
.store-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.store-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--bg-alt)}
.store-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.store-card:hover .store-thumb img{transform:scale(1.06)}
.store-no{
  position:absolute;top:14px;left:14px;min-width:40px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;padding:0 9px;
  font-size:14px;font-weight:700;letter-spacing:.5px;color:#fff;
  background:rgba(61,107,84,.86);border-radius:8px;
}
.store-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.store-card h3{font-size:16px;color:var(--primary-dark);line-height:1.5;margin-bottom:2px}
.store-sub{font-size:13px;font-weight:600;color:var(--primary);margin-bottom:14px}
.store-meta{flex:1}
.store-meta .value{font-size:13px;color:var(--text-light);line-height:1.9;display:flex;gap:8px}
.store-meta .k{color:var(--text-muted);flex:0 0 auto}
.store-tel{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;
  font-weight:600;color:var(--primary);text-decoration:none;
}
.store-tel svg{width:14px;height:14px;flex:0 0 auto}
.store-tel:hover{text-decoration:underline}
@media(max-width:900px){.store-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.store-grid{grid-template-columns:1fr;gap:16px}}

/* ===== 筹备中城市空间示意 ===== */
.space-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.space-strip img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius)}
.strip-note{text-align:center;font-size:12.5px;color:var(--text-muted);margin-top:14px}
@media(max-width:640px){.space-strip{grid-template-columns:1fr;gap:12px;margin-top:32px}}

/* ===== 筹备中城市提示 ===== */
.city-soon-note{
  max-width:760px;margin:0 auto;text-align:center;padding:48px 32px;
  background:var(--bg-alt);border-radius:var(--radius);
}
.city-soon-note h3{font-size:22px;color:var(--primary-dark);margin-bottom:16px}
.city-soon-note p{font-size:15px;color:var(--text-light);line-height:1.9;margin-bottom:12px}
.city-soon-note .btn{margin-top:12px}

/* ===== 返回全国站点 ===== */
.back-sites{text-align:center;margin-top:8px}
.back-sites a{font-size:14px;color:var(--primary);text-decoration:none;font-weight:600}
.back-sites a:hover{text-decoration:underline}

/* ===== LOGO ===== */
.logo-img{height:42px;width:auto;display:block}
.logo-img-sm{height:34px}
.footer-logo{height:38px;width:auto;display:block;margin-bottom:16px}
@media(max-width:968px){.logo-img{height:36px}}
@media(max-width:640px){.logo-img{height:32px}.logo-img-sm{height:30px}}